shithub: openh264

Download patch

ref: 6ff4ef3b38b37fb47bd7ea29a5dbb77aea741c51
parent: 32d1510d296d0dd5189b5432bbc0edd83cfb49b9
parent: 78e0ec613021861b1434b05eba0f4191a30de42d
author: sijchen <sijchen@cisco.com>
date: Wed Jun 10 11:51:09 EDT 2015

Merge pull request #1983 from mstorsjo/remove-tabs

Remove tabs from the source code

--- a/codec/build/iOS/dec/demo/demo/DEMOViewController.m
+++ b/codec/build/iOS/dec/demo/demo/DEMOViewController.m
@@ -47,7 +47,7 @@
 - (void)viewDidLoad
 {
     [super viewDidLoad];
-	// Do any additional setup after loading the view, typically from a nib.
+    // Do any additional setup after loading the view, typically from a nib.
     //Add the testing codes
     self.resFileArray = [[NSMutableArray alloc] init];
     self.selectedRow = 0;
--- a/codec/common/inc/WelsThreadLib.h
+++ b/codec/common/inc/WelsThreadLib.h
@@ -60,7 +60,7 @@
 #define    WELS_THREAD_ROUTINE_TYPE         DWORD  WINAPI
 #define    WELS_THREAD_ROUTINE_RETURN(rc)   return (DWORD)rc;
 
-#else	// NON-WINDOWS
+#else // NON-WINDOWS
 
 #include <stdlib.h>
 #include <unistd.h>
--- a/codec/common/inc/copy_mb.h
+++ b/codec/common/inc/copy_mb.h
@@ -42,8 +42,8 @@
 void WelsCopy8x4_c (uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc, int32_t iStrideS);
 void WelsCopy4x8_c (uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc, int32_t iStrideS);
 void WelsCopy8x8_c (uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc, int32_t iStrideS);
-void WelsCopy8x16_c (uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc, int32_t iStrideS);	//
-void WelsCopy16x8_c (uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc, int32_t iStrideS);	//
+void WelsCopy8x16_c (uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc, int32_t iStrideS); //
+void WelsCopy16x8_c (uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc, int32_t iStrideS); //
 void WelsCopy16x16_c (uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc, int32_t iStrideS);
 
 #if defined(__cplusplus)
--- a/codec/common/inc/expand_pic.h
+++ b/codec/common/inc/expand_pic.h
@@ -46,7 +46,7 @@
 extern "C" {
 #endif//__cplusplus
 
-#define PADDING_LENGTH			32 // reference extension
+#define PADDING_LENGTH 32 // reference extension
 
 #if defined(X86_ASM)
 void ExpandPictureLuma_sse2 (uint8_t* pDst,
--- a/codec/common/inc/golomb_common.h
+++ b/codec/common/inc/golomb_common.h
@@ -67,11 +67,11 @@
 static inline int32_t InitBits (SBitStringAux* pBs, const uint8_t* kpBuf, const int32_t kiSize) {
   uint8_t* ptr = (uint8_t*)kpBuf;
 
-  pBs->pStartBuf	= ptr;
-  pBs->pCurBuf	= ptr;
-  pBs->pEndBuf	= ptr + kiSize;
-  pBs->iLeftBits	= 32;
-  pBs->uiCurBits	= 0;
+  pBs->pStartBuf = ptr;
+  pBs->pCurBuf   = ptr;
+  pBs->pEndBuf   = ptr + kiSize;
+  pBs->iLeftBits = 32;
+  pBs->uiCurBits = 0;
 
   return kiSize;
 }
--- a/codec/common/inc/ls_defines.h
+++ b/codec/common/inc/ls_defines.h
@@ -62,7 +62,7 @@
 STRUCTA (64, 4);
 STRUCTA (64, 8);
 //#define _USE_STRUCT_INT_CVT
-//	#ifdef _USE_STRUCT_INT_CVT
+//#ifdef _USE_STRUCT_INT_CVT
 #define ST16(a, b) (((struct tagUnaligned_16 *) (a))->l) = (b)
 #define ST32(a, b) (((struct tagUnaligned_32 *) (a))->l) = (b)
 #define ST64(a, b) (((struct tagUnaligned_64 *) (a))->l) = (b)
@@ -81,11 +81,11 @@
 #define ST64A2(a, b) STA(a, b, 64, 2)
 #define ST64A4(a, b) STA(a, b, 64, 4)
 #define ST64A8(a, b) STA(a, b, 64, 8)
-//	#else
-//		inline void __ST16(void *dst, uint16_t v) { memcpy(dst, &v, 2); }
-//		inline void __ST32(void *dst, uint32_t v) { memcpy(dst, &v, 4); }
+//#else
+//inline void __ST16(void *dst, uint16_t v) { memcpy(dst, &v, 2); }
+//inline void __ST32(void *dst, uint32_t v) { memcpy(dst, &v, 4); }
 //inline void __ST64(void *dst, uint64_t v) { memcpy(dst, &v, 8); }
-//	#endif
+//#endif
 
 #else
 
@@ -116,15 +116,15 @@
 #endif /* !__GNUC__ */
 
 #ifndef INTD16
-#define INTD16	LD16
+#define INTD16 LD16
 #endif//INTD16
 
 #ifndef INTD32
-#define INTD32	LD32
+#define INTD32 LD32
 #endif//INTD32
 
 #ifndef INTD64
-#define INTD64	LD64
+#define INTD64 LD64
 #endif//INTD64
 
 #endif//___LD_ST_MACROS___
--- a/codec/common/inc/macros.h
+++ b/codec/common/inc/macros.h
@@ -70,7 +70,7 @@
 #if defined(_MSC_VER)
 
 #if(_MSC_VER < 1700)
-#define inline	__inline
+#define inline __inline
 #endif
 
 #define ALIGNED_DECLARE( type, var, n ) __declspec(align(n)) type var
@@ -82,51 +82,51 @@
 
 
 #ifndef WELS_ALIGN
-#define WELS_ALIGN(x, n)	(((x)+(n)-1)&~((n)-1))
+#define WELS_ALIGN(x, n) (((x)+(n)-1)&~((n)-1))
 #endif//WELS_ALIGN
 
 
 #if 1 // Alternative implementation of WELS_MAX and WELS_MIN
 #ifndef WELS_MAX
-#define WELS_MAX(x, y)	((x) > (y) ? (x) : (y))
+#define WELS_MAX(x, y) ((x) > (y) ? (x) : (y))
 #endif//WELS_MAX
 
 #ifndef WELS_MIN
-#define WELS_MIN(x, y)	((x) < (y) ? (x) : (y))
+#define WELS_MIN(x, y) ((x) < (y) ? (x) : (y))
 #endif//WELS_MIN
 #else // Alternative implementation of WELS_MAX and WELS_MIN
 #ifndef WELS_MAX
-#define WELS_MAX(x, y)	((x) - (((x)-(y))&(((x)-(y))>>31)))
+#define WELS_MAX(x, y) ((x) - (((x)-(y))&(((x)-(y))>>31)))
 #endif//WELS_MAX
 
 #ifndef WELS_MIN
-#define WELS_MIN(x, y)	((y) + (((x)-(y))&(((x)-(y))>>31)))
+#define WELS_MIN(x, y) ((y) + (((x)-(y))&(((x)-(y))>>31)))
 #endif//WELS_MIN
 #endif // Alternative implementation of WELS_MAX and WELS_MIN
 
 
 #ifndef WELS_CEIL
-#define WELS_CEIL(x)	ceil(x)	// FIXME: low complexity instead of math library used
+#define WELS_CEIL(x) ceil(x) // FIXME: low complexity instead of math library used
 #endif//WELS_CEIL
 
 #ifndef WELS_FLOOR
-#define WELS_FLOOR(x)	floor(x)	// FIXME: low complexity instead of math library used
+#define WELS_FLOOR(x) floor(x)        // FIXME: low complexity instead of math library used
 #endif//WELS_FLOOR
 
 #ifndef WELS_ROUND
-#define WELS_ROUND(x)	((int32_t)(0.5+(x)))
+#define WELS_ROUND(x) ((int32_t)(0.5+(x)))
 #endif//WELS_ROUND
 
 #ifndef WELS_ROUND64
-#define WELS_ROUND64(x)	((int64_t)(0.5+(x)))
+#define WELS_ROUND64(x) ((int64_t)(0.5+(x)))
 #endif//WELS_ROUND
 
 #ifndef WELS_DIV_ROUND
-#define WELS_DIV_ROUND(x,y)	((int32_t)((y)==0?((x)/((y)+1)):(((y)/2+(x))/(y))))
+#define WELS_DIV_ROUND(x,y) ((int32_t)((y)==0?((x)/((y)+1)):(((y)/2+(x))/(y))))
 #endif//WELS_DIV_ROUND
 
 #ifndef WELS_DIV_ROUND64
-#define WELS_DIV_ROUND64(x,y)	((int64_t)((y)==0?((x)/((y)+1)):(((y)/2+(x))/(y))))
+#define WELS_DIV_ROUND64(x,y) ((int64_t)((y)==0?((x)/((y)+1)):(((y)/2+(x))/(y))))
 #endif//WELS_DIV_ROUND64
 
 #define WELS_NON_ZERO_COUNT_AVERAGE(nC,nA,nB) {         \
@@ -152,14 +152,14 @@
   int32_t iMin = iX, iMax = iX;
 
   if (iY < iMin)
-    iMin	= iY;
+    iMin = iY;
   else
     iMax = iY;
 
   if (iZ < iMin)
-    iMin	= iZ;
+    iMin = iZ;
   else if (iZ > iMax)
-    iMax	= iZ;
+    iMax = iZ;
 
   return (iX + iY + iZ) - (iMin + iMax);
 }
@@ -253,7 +253,7 @@
 
 }
 
-#define CLIP3_QP_0_51(q)		WELS_CLIP3(q, 0, 51)	// ((q) < (0) ? (0) : ((q) > (51) ? (51) : (q)))
+#define CLIP3_QP_0_51(q) WELS_CLIP3(q, 0, 51) // ((q) < (0) ? (0) : ((q) > (51) ? (51) : (q)))
 #define   CALC_BI_STRIDE(width,bitcount)  ((((width * bitcount) + 31) & ~31) >> 3)
 
 
--- a/codec/common/inc/memory_align.h
+++ b/codec/common/inc/memory_align.h
@@ -68,10 +68,10 @@
 CMemoryAlign& operator= (const CMemoryAlign& kcMa);
 
  protected:
-uint32_t	m_nCacheLineSize;
+uint32_t        m_nCacheLineSize;
 
 #ifdef MEMORY_MONITOR
-uint32_t	m_nMemoryUsageInBytes;
+uint32_t        m_nMemoryUsageInBytes;
 #endif//MEMORY_MONITOR
 };
 
--- a/codec/common/inc/typedefs.h
+++ b/codec/common/inc/typedefs.h
@@ -80,7 +80,7 @@
 #ifdef EPSN
 #undef EPSN
 #endif//EPSN
-#define EPSN	  (0.000001f) // (1e-6)	// desired float precision
+#define EPSN (0.000001f) // (1e-6) // desired float precision
 
 #endif //WELS_TYPE_DEFINES_H__
 
--- a/codec/common/inc/welsCodecTrace.h
+++ b/codec/common/inc/welsCodecTrace.h
@@ -53,7 +53,7 @@
   static void StaticCodecTrace (void* pCtx, const int32_t kiLevel, const char* kpStrFormat, va_list vl);
   void CodecTrace (const int32_t kiLevel, const char* kpStrFormat, va_list vl);
 
-  int32_t	m_iTraceLevel;
+  int32_t       m_iTraceLevel;
   WelsTraceCallback m_fpTrace;
   void*         m_pTraceCtx;
  public:
--- a/codec/common/inc/wels_common_defs.h
+++ b/codec/common/inc/wels_common_defs.h
@@ -218,14 +218,14 @@
  *  Bit-stream auxiliary reading / writing
  */
 typedef struct TagBitStringAux {
-  uint8_t* pStartBuf;	// buffer to start position
-  uint8_t* pEndBuf;	// buffer + length
+  uint8_t* pStartBuf;   // buffer to start position
+  uint8_t* pEndBuf;     // buffer + length
   int32_t  iBits;       // count bits of overall bitstreaming input
 
   intX_t   iIndex;      //only for cavlc usage
-  uint8_t* pCurBuf;	// current reading position
+  uint8_t* pCurBuf;     // current reading position
   uint32_t uiCurBits;
-  int32_t  iLeftBits;	// count number of available bits left ([1, 8]),
+  int32_t  iLeftBits;   // count number of available bits left ([1, 8]),
   // need pointer to next byte start position in case 0 bit left then 8 instead
 } SBitStringAux, *PBitStringAux;
 
@@ -234,17 +234,17 @@
   uint8_t             uiForbiddenZeroBit;
   uint8_t             uiNalRefIdc;
   EWelsNalUnitType    eNalUnitType;
-  uint8_t             uiReservedOneByte;		// only padding usage
+  uint8_t             uiReservedOneByte;                // only padding usage
 } SNalUnitHeader, *PNalUnitHeader;
 
 /* NAL Unit Header in scalable extension syntax, refer to Page 390 in JVT X201wcm */
 typedef struct TagNalUnitHeaderExt {
-  SNalUnitHeader	sNalUnitHeader;
+  SNalUnitHeader      sNalUnitHeader;
 
-  //	uint8_t		reserved_one_bit;
+  // uint8_t   reserved_one_bit;
   bool      bIdrFlag;
   uint8_t   uiPriorityId;
-  int8_t    iNoInterLayerPredFlag;	// change as int8_t to support 3 values probably in encoder
+  int8_t    iNoInterLayerPredFlag;      // change as int8_t to support 3 values probably in encoder
   uint8_t   uiDependencyId;
 
   uint8_t   uiQualityId;
--- a/codec/common/src/WelsThreadLib.cpp
+++ b/codec/common/src/WelsThreadLib.cpp
@@ -299,12 +299,12 @@
 }
 WELS_THREAD_ERROR_CODE    WelsEventClose (WELS_EVENT* event, const char* event_name) {
 #ifdef __APPLE__
-  WELS_THREAD_ERROR_CODE err = sem_close (*event);	// match with sem_open
+  WELS_THREAD_ERROR_CODE err = sem_close (*event); // match with sem_open
   if (event_name)
     sem_unlink (event_name);
   return err;
 #else
-  WELS_THREAD_ERROR_CODE err = sem_destroy (*event);	// match with sem_init
+  WELS_THREAD_ERROR_CODE err = sem_destroy (*event); // match with sem_init
   free (*event);
   return err;
 #endif
@@ -312,17 +312,17 @@
 
 WELS_THREAD_ERROR_CODE   WelsEventSignal (WELS_EVENT* event) {
   WELS_THREAD_ERROR_CODE err = 0;
-//	int32_t val = 0;
-//	sem_getvalue(event, &val);
-//	fprintf( stderr, "before signal it, val= %d..\n",val );
+//  int32_t val = 0;
+//  sem_getvalue(event, &val);
+//  fprintf( stderr, "before signal it, val= %d..\n",val );
   err = sem_post (*event);
-//	sem_getvalue(event, &val);
-//	fprintf( stderr, "after signal it, val= %d..\n",val );
+//  sem_getvalue(event, &val);
+//  fprintf( stderr, "after signal it, val= %d..\n",val );
   return err;
 }
 
 WELS_THREAD_ERROR_CODE   WelsEventWait (WELS_EVENT* event) {
-  return sem_wait (*event);	// blocking until signaled
+  return sem_wait (*event); // blocking until signaled
 }
 
 WELS_THREAD_ERROR_CODE    WelsEventWaitWithTimeOut (WELS_EVENT* event, uint32_t dwMilliseconds) {
@@ -360,7 +360,7 @@
 WELS_THREAD_ERROR_CODE    WelsMultipleEventsWaitSingleBlocking (uint32_t nCount,
     WELS_EVENT* event_list, WELS_EVENT* master_event) {
   uint32_t nIdx = 0;
-  uint32_t uiAccessTime = 2;	// 2 us once
+  uint32_t uiAccessTime = 2; // 2 us once
 
   if (nCount == 0)
     return WELS_THREAD_ERROR_WAIT_FAILED;
@@ -378,7 +378,7 @@
   }
 
   while (1) {
-    nIdx = 0;	// access each event by order
+    nIdx = 0; // access each event by order
     while (nIdx < nCount) {
       int32_t err = 0;
       int32_t wait_count = 0;
@@ -399,7 +399,7 @@
       // we do need access next event next time
       ++ nIdx;
     }
-    usleep (1);	// switch to working threads
+    usleep (1); // switch to working threads
     if (master_event != NULL) {
       // A master event was used and was signalled, but none of the events in the
       // list was found to be signalled, thus wait a little more when rechecking
@@ -417,19 +417,19 @@
     WELS_EVENT* event_list, WELS_EVENT* master_event) {
   uint32_t nIdx = 0;
   uint32_t uiCountSignals = 0;
-  uint32_t uiSignalFlag	= 0;	// UGLY: suppose maximal event number up to 32
+  uint32_t uiSignalFlag = 0;    // UGLY: suppose maximal event number up to 32
 
   if (nCount == 0 || nCount > (sizeof (uint32_t) << 3))
     return WELS_THREAD_ERROR_WAIT_FAILED;
 
   while (1) {
-    nIdx = 0;	// access each event by order
+    nIdx = 0; // access each event by order
     while (nIdx < nCount) {
       const uint32_t kuiBitwiseFlag = (1 << nIdx);
 
       if ((uiSignalFlag & kuiBitwiseFlag) != kuiBitwiseFlag) { // non-blocking mode
         int32_t err = 0;
-//				fprintf( stderr, "sem_wait(): start to wait event %d..\n", nIdx );
+//        fprintf( stderr, "sem_wait(): start to wait event %d..\n", nIdx );
         if (master_event == NULL) {
           err = sem_wait (event_list[nIdx]);
         } else {
@@ -445,11 +445,11 @@
             }
           }
         }
-//				fprintf( stderr, "sem_wait(): wait event %d result %d errno %d..\n", nIdx, err, errno );
+//        fprintf( stderr, "sem_wait(): wait event %d result %d errno %d..\n", nIdx, err, errno );
         if (WELS_THREAD_ERROR_OK == err) {
-//					int32_t val = 0;
-//					sem_getvalue(&event_list[nIdx], &val);
-//					fprintf( stderr, "after sem_timedwait(), event_list[%d] semaphore value= %d..\n", nIdx, val);
+//          int32_t val = 0;
+//          sem_getvalue(&event_list[nIdx], &val);
+//          fprintf( stderr, "after sem_timedwait(), event_list[%d] semaphore value= %d..\n", nIdx, val);
 
           uiSignalFlag |= kuiBitwiseFlag;
           ++ uiCountSignals;
--- a/codec/common/src/cpu.cpp
+++ b/codec/common/src/cpu.cpp
@@ -96,7 +96,7 @@
     uiCPU |= WELS_CPU_CMOV;
   }
   if ((!strcmp ((const char*)chVendorName, CPU_Vendor_INTEL)) ||
-      (!strcmp ((const char*)chVendorName, CPU_Vendor_AMD))) {	// confirmed_safe_unsafe_usage
+      (!strcmp ((const char*)chVendorName, CPU_Vendor_AMD))) { // confirmed_safe_unsafe_usage
     if (uiFeatureD & 0x10000000) {
       /* Multi-Threading checking: contains of multiple logic processors */
       uiCPU |= WELS_CPU_HTT;
@@ -165,7 +165,7 @@
   WelsCPUId (0x80000000, &uiFeatureA, &uiFeatureB, &uiFeatureC, &uiFeatureD);
 
   if ((!strcmp ((const char*)chVendorName, CPU_Vendor_AMD))
-      && (uiFeatureA >= 0x80000001)) {	// confirmed_safe_unsafe_usage
+      && (uiFeatureA >= 0x80000001)) { // confirmed_safe_unsafe_usage
     WelsCPUId (0x80000001, &uiFeatureA, &uiFeatureB, &uiFeatureC, &uiFeatureD);
     if (uiFeatureD & 0x00400000) {
       uiCPU |= WELS_CPU_MMXEXT;
@@ -175,7 +175,7 @@
     }
   }
 
-  if (!strcmp ((const char*)chVendorName, CPU_Vendor_INTEL)) {	// confirmed_safe_unsafe_usage
+  if (!strcmp ((const char*)chVendorName, CPU_Vendor_INTEL)) { // confirmed_safe_unsafe_usage
     int32_t  family, model;
 
     WelsCPUId (1, &uiFeatureA, &uiFeatureB, &uiFeatureC, &uiFeatureD);
@@ -189,11 +189,11 @@
 
   // get cache line size
   if ((!strcmp ((const char*)chVendorName, CPU_Vendor_INTEL))
-      || ! (strcmp ((const char*)chVendorName, CPU_Vendor_CYRIX))) {	// confirmed_safe_unsafe_usage
+      || ! (strcmp ((const char*)chVendorName, CPU_Vendor_CYRIX))) { // confirmed_safe_unsafe_usage
     WelsCPUId (1, &uiFeatureA, &uiFeatureB, &uiFeatureC, &uiFeatureD);
 
     CacheLineSize = (uiFeatureB & 0xff00) >>
-                    5;	// ((clflush_line_size >> 8) << 3), CLFLUSH_line_size * 8 = CacheLineSize_in_byte
+                    5; // ((clflush_line_size >> 8) << 3), CLFLUSH_line_size * 8 = CacheLineSize_in_byte
 
     if (CacheLineSize == 128) {
       uiCPU |= WELS_CPU_CACHELINE_128;
--- a/codec/common/src/crt_util_safe_x.cpp
+++ b/codec/common/src/crt_util_safe_x.cpp
@@ -54,7 +54,7 @@
 #endif //_WIN32
 
 #include "macros.h"
-#include "crt_util_safe_x.h"	// Safe CRT routines like utils for cross platforms
+#include "crt_util_safe_x.h" // Safe CRT routines like utils for cross platforms
 
 #if defined(_WIN32) && defined(_MSC_VER)
 
--- a/codec/common/src/deblocking_common.cpp
+++ b/codec/common/src/deblocking_common.cpp
@@ -56,23 +56,23 @@
         bool bDetaQ2Q0 =  WELS_ABS (q2 - q0) < iBeta;
         if (bDetaP2P0) {
           const int32_t p3 = pPix[-4 * iStrideX];
-          pPix[-iStrideX] = (p2 + (p1 << 1) + (p0 << 1) + (q0 << 1) + q1 + 4) >> 3;	   //p0
-          pPix[-2 * iStrideX] = (p2 + p1 + p0 + q0 + 2) >> 2;	 //p1
-          pPix[-3 * iStrideX] = ((p3 << 1) + p2 + (p2 << 1) + p1 + p0 + q0 + 4) >> 3;//p2
+          pPix[-iStrideX] = (p2 + (p1 << 1) + (p0 << 1) + (q0 << 1) + q1 + 4) >> 3;   //p0
+          pPix[-2 * iStrideX] = (p2 + p1 + p0 + q0 + 2) >> 2;                         //p1
+          pPix[-3 * iStrideX] = ((p3 << 1) + p2 + (p2 << 1) + p1 + p0 + q0 + 4) >> 3; //p2
         } else {
-          pPix[-1 * iStrideX] = ((p1 << 1) + p0 + q1 + 2) >> 2;	//p0
+          pPix[-1 * iStrideX] = ((p1 << 1) + p0 + q1 + 2) >> 2;                       //p0
         }
         if (bDetaQ2Q0) {
           const int32_t q3 = pPix[3 * iStrideX];
-          pPix[0] = (p1 + (p0 << 1) + (q0 << 1) + (q1 << 1) + q2 + 4) >> 3;   //q0
-          pPix[iStrideX] = (p0 + q0 + q1 + q2 + 2) >> 2;   //q1
-          pPix[2 * iStrideX] = ((q3 << 1) + q2 + (q2 << 1) + q1 + q0 + p0 + 4) >> 3;//q2
+          pPix[0] = (p1 + (p0 << 1) + (q0 << 1) + (q1 << 1) + q2 + 4) >> 3;           //q0
+          pPix[iStrideX] = (p0 + q0 + q1 + q2 + 2) >> 2;                              //q1
+          pPix[2 * iStrideX] = ((q3 << 1) + q2 + (q2 << 1) + q1 + q0 + p0 + 4) >> 3;  //q2
         } else {
-          pPix[0] = ((q1 << 1) + q0 + p1 + 2) >> 2;   //q0
+          pPix[0] = ((q1 << 1) + q0 + p1 + 2) >> 2;                                   //q0
         }
       } else {
         pPix[-iStrideX] = ((p1 << 1) + p0 + q1 + 2) >> 2;   //p0
-        pPix[ 0] = ((q1 << 1) + q0 + p1 + 2) >> 2;   //q0
+        pPix[ 0] = ((q1 << 1) + q0 + p1 + 2) >> 2;          //q0
       }
     }
     pPix += iStrideY;
--- a/codec/common/src/expand_pic.cpp
+++ b/codec/common/src/expand_pic.cpp
@@ -36,23 +36,23 @@
 // rewrite it (split into luma & chroma) that is helpful for mmx/sse2 optimization perform, 9/27/2009
 static inline void ExpandPictureLuma_c (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW,
                                         const int32_t kiPicH) {
-  uint8_t* pTmp				= pDst;
-  uint8_t* pDstLastLine		= pTmp + (kiPicH - 1) * kiStride;
-  const int32_t kiPaddingLen	= PADDING_LENGTH;
-  const uint8_t kuiTL			= pTmp[0];
-  const uint8_t kuiTR			= pTmp[kiPicW - 1];
-  const uint8_t kuiBL			= pDstLastLine[0];
-  const uint8_t kuiBR			= pDstLastLine[kiPicW - 1];
-  int32_t i					= 0;
+  uint8_t* pTmp              = pDst;
+  uint8_t* pDstLastLine      = pTmp + (kiPicH - 1) * kiStride;
+  const int32_t kiPaddingLen = PADDING_LENGTH;
+  const uint8_t kuiTL        = pTmp[0];
+  const uint8_t kuiTR        = pTmp[kiPicW - 1];
+  const uint8_t kuiBL        = pDstLastLine[0];
+  const uint8_t kuiBR        = pDstLastLine[kiPicW - 1];
+  int32_t i                  = 0;
 
   do {
-    const int32_t kiStrides	= (1 + i) * kiStride;
-    uint8_t* pTop			= pTmp - kiStrides;
-    uint8_t* pBottom			= pDstLastLine + kiStrides;
+    const int32_t kiStrides = (1 + i) * kiStride;
+    uint8_t* pTop           = pTmp - kiStrides;
+    uint8_t* pBottom        = pDstLastLine + kiStrides;
 
     // pad pTop and pBottom
-    memcpy (pTop, pTmp, kiPicW);				// confirmed_safe_unsafe_usage
-    memcpy (pBottom, pDstLastLine, kiPicW);	// confirmed_safe_unsafe_usage
+    memcpy (pTop, pTmp, kiPicW);                // confirmed_safe_unsafe_usage
+    memcpy (pBottom, pDstLastLine, kiPicW);     // confirmed_safe_unsafe_usage
 
     // pad corners
     memset (pTop - kiPaddingLen, kuiTL, kiPaddingLen); //pTop left
@@ -76,23 +76,23 @@
 
 static inline void ExpandPictureChroma_c (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicW,
     const int32_t kiPicH) {
-  uint8_t* pTmp				= pDst;
-  uint8_t* pDstLastLine		= pTmp + (kiPicH - 1) * kiStride;
-  const int32_t kiPaddingLen	= (PADDING_LENGTH >> 1);
-  const uint8_t kuiTL			= pTmp[0];
-  const uint8_t kuiTR			= pTmp[kiPicW - 1];
-  const uint8_t kuiBL			= pDstLastLine[0];
-  const uint8_t kuiBR			= pDstLastLine[kiPicW - 1];
-  int32_t i					= 0;
+  uint8_t* pTmp                 = pDst;
+  uint8_t* pDstLastLine         = pTmp + (kiPicH - 1) * kiStride;
+  const int32_t kiPaddingLen    = (PADDING_LENGTH >> 1);
+  const uint8_t kuiTL           = pTmp[0];
+  const uint8_t kuiTR           = pTmp[kiPicW - 1];
+  const uint8_t kuiBL           = pDstLastLine[0];
+  const uint8_t kuiBR           = pDstLastLine[kiPicW - 1];
+  int32_t i                     = 0;
 
   do {
-    const int32_t kiStrides	= (1 + i) * kiStride;
-    uint8_t* pTop			= pTmp - kiStrides;
-    uint8_t* pBottom			= pDstLastLine + kiStrides;
+    const int32_t kiStrides = (1 + i) * kiStride;
+    uint8_t* pTop           = pTmp - kiStrides;
+    uint8_t* pBottom        = pDstLastLine + kiStrides;
 
     // pad pTop and pBottom
-    memcpy (pTop, pTmp, kiPicW);				// confirmed_safe_unsafe_usage
-    memcpy (pBottom, pDstLastLine, kiPicW);	// confirmed_safe_unsafe_usage
+    memcpy (pTop, pTmp, kiPicW);                // confirmed_safe_unsafe_usage
+    memcpy (pBottom, pDstLastLine, kiPicW);     // confirmed_safe_unsafe_usage
 
     // pad corners
     memset (pTop - kiPaddingLen, kuiTL, kiPaddingLen); //pTop left
@@ -147,13 +147,13 @@
 void ExpandReferencingPicture (uint8_t* pData[3], int32_t iWidth, int32_t iHeight, int32_t iStride[3],
                                PExpandPictureFunc pExpLuma, PExpandPictureFunc pExpChrom[2]) {
   /*local variable*/
-  uint8_t* pPicY	= pData[0];
+  uint8_t* pPicY  = pData[0];
   uint8_t* pPicCb = pData[1];
   uint8_t* pPicCr = pData[2];
-  const int32_t kiWidthY	= iWidth;
-  const int32_t kiHeightY	= iHeight;
-  const int32_t kiWidthUV	= kiWidthY >> 1;
-  const int32_t kiHeightUV	= kiHeightY >> 1;
+  const int32_t kiWidthY    = iWidth;
+  const int32_t kiHeightY   = iHeight;
+  const int32_t kiWidthUV   = kiWidthY >> 1;
+  const int32_t kiHeightUV  = kiHeightY >> 1;
 
 
 
@@ -160,7 +160,7 @@
   pExpLuma (pPicY, iStride[0], kiWidthY, kiHeightY);
   if (kiWidthUV >= 16) {
     // fix coding picture size as 16x16
-    const bool kbChrAligned = /*(iWidthUV >= 16) && */ ((kiWidthUV & 0x0F) == 0);	// chroma planes: (16+iWidthUV) & 15
+    const bool kbChrAligned = /*(iWidthUV >= 16) && */ ((kiWidthUV & 0x0F) == 0); // chroma planes: (16+iWidthUV) & 15
     pExpChrom[kbChrAligned] (pPicCb, iStride[1], kiWidthUV, kiHeightUV);
     pExpChrom[kbChrAligned] (pPicCr, iStride[2], kiWidthUV, kiHeightUV);
   } else {
--- a/codec/common/src/intra_pred_common.cpp
+++ b/codec/common/src/intra_pred_common.cpp
@@ -61,12 +61,12 @@
 void WelsI16x16LumaPredH_c (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) {
   int32_t iStridex15 = (kiStride << 4) - kiStride;
   int32_t iPredStride = 16;
-  int32_t iPredStridex15 = 240;	//(iPredStride<<4)-iPredStride;
+  int32_t iPredStridex15 = 240; //(iPredStride<<4)-iPredStride;
   uint8_t i = 15;
 
   do {
-    const uint8_t kuiSrc8	= pRef[iStridex15 - 1];
-    const uint64_t kuiV64	= (uint64_t) (0x0101010101010101ULL * kuiSrc8);
+    const uint8_t kuiSrc8 = pRef[iStridex15 - 1];
+    const uint64_t kuiV64 = (uint64_t) (0x0101010101010101ULL * kuiSrc8);
     ST64 (&pPred[iPredStridex15], kuiV64);
     ST64 (&pPred[iPredStridex15 + 8], kuiV64);
 
--- a/codec/common/src/mc.cpp
+++ b/codec/common/src/mc.cpp
@@ -58,7 +58,7 @@
 //iB = dx * (8 - dy);
 //iC = (8 - dx) * dy;
 //iD = dx * dy
-static const uint8_t g_kuiABCD[8][8][4] = {	//g_kA[dy][dx], g_kB[dy][dx], g_kC[dy][dx], g_kD[dy][dx]
+static const uint8_t g_kuiABCD[8][8][4] = { //g_kA[dy][dx], g_kB[dy][dx], g_kC[dy][dx], g_kD[dy][dx]
   {
     {64, 0, 0, 0}, {56, 8, 0, 0}, {48, 16, 0, 0}, {40, 24, 0, 0},
     {32, 32, 0, 0}, {24, 40, 0, 0}, {16, 48, 0, 0}, {8, 56, 0, 0}
@@ -965,7 +965,7 @@
     {McHorVer20_neon,    McHorVer21_neon, McHorVer22_neon,    McHorVer23_neon},
     {McHorVer30_neon, McHorVer31_neon, McHorVer32_neon, McHorVer33_neon},
   };
-  //	pSrc += (iMvY >> 2) * iSrcStride + (iMvX >> 2);
+  // pSrc += (iMvY >> 2) * iSrcStride + (iMvX >> 2);
   pWelsMcFunc[iMvX & 0x03][iMvY & 0x03] (pSrc, iSrcStride, pDst, iDstStride, iWidth, iHeight);
 }
 void McChroma_neon (const uint8_t* pSrc, int32_t iSrcStride, uint8_t* pDst, int32_t iDstStride,
@@ -1248,7 +1248,7 @@
     {McHorVer20_AArch64_neon,    McHorVer21_AArch64_neon, McHorVer22_AArch64_neon,    McHorVer23_AArch64_neon},
     {McHorVer30_AArch64_neon, McHorVer31_AArch64_neon, McHorVer32_AArch64_neon, McHorVer33_AArch64_neon},
   };
-  //	pSrc += (iMvY >> 2) * iSrcStride + (iMvX >> 2);
+  // pSrc += (iMvY >> 2) * iSrcStride + (iMvX >> 2);
   pWelsMcFunc[iMvX & 0x03][iMvY & 0x03] (pSrc, iSrcStride, pDst, iDstStride, iWidth, iHeight);
 }
 void McChroma_AArch64_neon (const uint8_t* pSrc, int32_t iSrcStride, uint8_t* pDst, int32_t iDstStride,
--- a/codec/common/src/memory_align.cpp
+++ b/codec/common/src/memory_align.cpp
@@ -49,9 +49,9 @@
 #endif//MEMORY_MONITOR
 {
   if ((kuiCacheLineSize == 0) || (kuiCacheLineSize & 0x0f))
-    m_nCacheLineSize	= 0x10;
+    m_nCacheLineSize = 0x10;
   else
-    m_nCacheLineSize	= kuiCacheLineSize;
+    m_nCacheLineSize = kuiCacheLineSize;
 }
 
 CMemoryAlign::~CMemoryAlign() {
@@ -61,14 +61,14 @@
 }
 
 void* WelsMalloc (const uint32_t kuiSize, const char* kpTag, const uint32_t kiAlign) {
-  const int32_t kiSizeOfVoidPointer	= sizeof (void**);
-  const int32_t kiSizeOfInt				= sizeof (int32_t);
-  const int32_t kiAlignedBytes		= kiAlign - 1;
-  const int32_t kiTrialRequestedSize	= kuiSize + kiAlignedBytes + kiSizeOfVoidPointer + kiSizeOfInt;
-  const int32_t kiActualRequestedSize	= kiTrialRequestedSize;
-  const uint32_t kiPayloadSize			= kuiSize;
+  const int32_t kiSizeOfVoidPointer     = sizeof (void**);
+  const int32_t kiSizeOfInt             = sizeof (int32_t);
+  const int32_t kiAlignedBytes          = kiAlign - 1;
+  const int32_t kiTrialRequestedSize    = kuiSize + kiAlignedBytes + kiSizeOfVoidPointer + kiSizeOfInt;
+  const int32_t kiActualRequestedSize   = kiTrialRequestedSize;
+  const uint32_t kiPayloadSize          = kuiSize;
 
-  uint8_t* pBuf		= (uint8_t*) malloc (kiActualRequestedSize);
+  uint8_t* pBuf = (uint8_t*) malloc (kiActualRequestedSize);
 #ifdef MEMORY_CHECK
   if (fpMemChkPoint == NULL) {
     m_fpMemChkPoint    = fopen ("./enc_mem_check_point.txt",  "at+");
--- a/codec/common/src/utils.cpp
+++ b/codec/common/src/utils.cpp
@@ -38,7 +38,7 @@
  *************************************************************************************
  */
 #include "utils.h"
-#include "crt_util_safe_x.h"	// Safe CRT routines like utils for cross platforms
+#include "crt_util_safe_x.h" // Safe CRT routines like utils for cross platforms
 #include "codec_app_def.h"
 float WelsCalcPsnr (const void* kpTarPic,
                     const int32_t kiTarStride,
@@ -112,10 +112,10 @@
   if (NULL == pTar || NULL == pRef)
     return (-1.0f);
 
-  for (y = 0; y < kiHeight; ++ y) {	// OPTable !!
+  for (y = 0; y < kiHeight; ++ y) { // OPTable !!
     for (x = 0; x < kiWidth; ++ x) {
       const int32_t kiT = pTar[y * kiTarStride + x] - pRef[y * kiRefStride + x];
-      iSqe	+= kiT * kiT;
+      iSqe += kiT * kiT;
     }
   }
   if (0 == iSqe) {
--- a/codec/common/src/welsCodecTrace.cpp
+++ b/codec/common/src/welsCodecTrace.cpp
@@ -39,7 +39,7 @@
 #include <stdarg.h>
 #include <string.h>
 
-#include "crt_util_safe_x.h"	// Safe CRT routines like utils for cross platforms
+#include "crt_util_safe_x.h" // Safe CRT routines like utils for cross platforms
 
 #include "welsCodecTrace.h"
 #include "utils.h"
@@ -78,7 +78,7 @@
   }
 
   char pBuf[MAX_LOG_SIZE] = {0};
-  WelsVsnprintf (pBuf, MAX_LOG_SIZE, Str_Format, vl);	// confirmed_safe_unsafe_usage
+  WelsVsnprintf (pBuf, MAX_LOG_SIZE, Str_Format, vl); // confirmed_safe_unsafe_usage
   if (m_fpTrace) {
     m_fpTrace (m_pTraceCtx, iLevel, pBuf);
   }
@@ -90,7 +90,7 @@
 
 void welsCodecTrace::SetTraceLevel (const int32_t iLevel) {
   if (iLevel >= 0)
-    m_iTraceLevel	= iLevel;
+    m_iTraceLevel = iLevel;
 }
 
 void welsCodecTrace::SetTraceCallback (WelsTraceCallback func) {
--- a/codec/console/common/inc/read_config.h
+++ b/codec/console/common/inc/read_config.h
@@ -59,10 +59,10 @@
   const std::string& GetFileName();
 
  private:
-  FILE*			m_pCfgFile;
-  std::string			m_strCfgFileName;
-  unsigned int	m_iLines;
+  FILE*             m_pCfgFile;
+  std::string       m_strCfgFileName;
+  unsigned int      m_iLines;
 };
 
-#endif	// READ_CONFIG_H__
+#endif // READ_CONFIG_H__
 
--- a/codec/console/common/src/read_config.cpp
+++ b/codec/console/common/src/read_config.cpp
@@ -53,7 +53,7 @@
   : m_pCfgFile (0)
   , m_strCfgFileName (kpConfigFileName)
   , m_iLines (0) {
-  if (strlen (kpConfigFileName) > 0) {	// confirmed_safe_unsafe_usage
+  if (strlen (kpConfigFileName) > 0) { // confirmed_safe_unsafe_usage
     m_pCfgFile = fopen (kpConfigFileName, "r");
   }
 }
@@ -75,7 +75,7 @@
 }
 
 void CReadConfig::Openf (const char* kpStrFile) {
-  if (kpStrFile != NULL && strlen (kpStrFile) > 0) {	// confirmed_safe_unsafe_usage
+  if (kpStrFile != NULL && strlen (kpStrFile) > 0) { // confirmed_safe_unsafe_usage
     m_strCfgFileName = kpStrFile;
     m_pCfgFile = fopen (kpStrFile, "r");
   }
@@ -90,7 +90,7 @@
   bool bCommentFlag = false;
 
   while (n < kiValSize) {
-    pVal[n]	= "";
+    pVal[n] = "";
     ++ n;
   }
 
@@ -109,7 +109,7 @@
           break;
         if (! (*strTags).empty()) {
           ++ nTagNum;
-          strTags	= &pVal[nTagNum];
+          strTags = &pVal[nTagNum];
         }
       } else
         *strTags += kCh;
--- a/codec/console/dec/src/d3d9_utils.cpp
+++ b/codec/console/dec/src/d3d9_utils.cpp
@@ -465,18 +465,18 @@
   const TCHAR kszWindowClass[] = TEXT ("Wels Decoder Class");
 
   WNDCLASSEX sWndClassEx = {0};
-  sWndClassEx.cbSize          = sizeof (WNDCLASSEX);
-  sWndClassEx.style			= CS_HREDRAW | CS_VREDRAW;
-  sWndClassEx.lpfnWndProc	    = (WNDPROC)WndProc;
-  sWndClassEx.cbClsExtra		= 0;
-  sWndClassEx.cbWndExtra		= 0;
-  sWndClassEx.hInstance		= GetModuleHandle (NULL);
-  sWndClassEx.hIcon			= LoadIcon (sWndClassEx.hInstance, (LPCTSTR)IDI_TESTSHARESURFACE);
-  sWndClassEx.hCursor		    = LoadCursor (NULL, IDC_ARROW);
-  sWndClassEx.hbrBackground	= (HBRUSH) (COLOR_WINDOW + 1);
-  sWndClassEx.lpszMenuName	= (LPCSTR)IDC_TESTSHARESURFACE;
-  sWndClassEx.lpszClassName	= kszWindowClass;
-  sWndClassEx.hIconSm		    = LoadIcon (sWndClassEx.hInstance, (LPCTSTR)IDI_SMALL);
+  sWndClassEx.cbSize            = sizeof (WNDCLASSEX);
+  sWndClassEx.style             = CS_HREDRAW | CS_VREDRAW;
+  sWndClassEx.lpfnWndProc       = (WNDPROC)WndProc;
+  sWndClassEx.cbClsExtra        = 0;
+  sWndClassEx.cbWndExtra        = 0;
+  sWndClassEx.hInstance         = GetModuleHandle (NULL);
+  sWndClassEx.hIcon             = LoadIcon (sWndClassEx.hInstance, (LPCTSTR)IDI_TESTSHARESURFACE);
+  sWndClassEx.hCursor           = LoadCursor (NULL, IDC_ARROW);
+  sWndClassEx.hbrBackground     = (HBRUSH) (COLOR_WINDOW + 1);
+  sWndClassEx.lpszMenuName      = (LPCSTR)IDC_TESTSHARESURFACE;
+  sWndClassEx.lpszClassName     = kszWindowClass;
+  sWndClassEx.hIconSm           = LoadIcon (sWndClassEx.hInstance, (LPCTSTR)IDI_SMALL);
 
   if (!RegisterClassEx (&sWndClassEx))
     return E_FAIL;
--- a/codec/console/dec/src/h264dec.cpp
+++ b/codec/console/dec/src/h264dec.cpp
@@ -69,12 +69,12 @@
 #endif
 //using namespace WelsDec;
 
-//#define NO_DELAY_DECODING	// For Demo interfaces test with no delay decoding
+//#define NO_DELAY_DECODING // For Demo interfaces test with no delay decoding
 
 void H264DecodeInstance (ISVCDecoder* pDecoder, const char* kpH264FileName, const char* kpOuputFileName,
                          int32_t& iWidth, int32_t& iHeight, const char* pOptionFileName, const char* pLengthFileName) {
-  FILE* pH264File	  = NULL;
-  FILE* pYuvFile	  = NULL;
+  FILE* pH264File   = NULL;
+  FILE* pYuvFile    = NULL;
   FILE* pOptionFile = NULL;
 // Lenght input mode support
   FILE* fpTrack = NULL;
@@ -129,7 +129,7 @@
     if (pYuvFile == NULL) {
       fprintf (stderr, "Can not open yuv file to output result of decoding..\n");
       // any options
-      //return;	// can let decoder work in quiet mode, no writing any output
+      //return; // can let decoder work in quiet mode, no writing any output
     } else
       fprintf (stderr, "Sequence output file name: %s..\n", kpOuputFileName);
   } else {
@@ -237,8 +237,8 @@
       pDst[1] = pData[1];
       pDst[2] = pData[2];
     }
-    iEnd	= WelsTime();
-    iTotal	+= iEnd - iStart;
+    iEnd    = WelsTime();
+    iTotal += iEnd - iStart;
     if (sDstBufInfo.iBufferStatus == 1) {
       cOutputModule.Process ((void**)pDst, &sDstBufInfo, pYuvFile);
       iWidth  = sDstBufInfo.UsrData.sSystemBuffer.iWidth;
@@ -269,8 +269,8 @@
       pDst[1] = pData[1];
       pDst[2] = pData[2];
     }
-    iEnd	= WelsTime();
-    iTotal	+= iEnd - iStart;
+    iEnd    = WelsTime();
+    iTotal += iEnd - iStart;
     if (sDstBufInfo.iBufferStatus == 1) {
       cOutputModule.Process ((void**)pDst, &sDstBufInfo, pYuvFile);
       iWidth  = sDstBufInfo.UsrData.sSystemBuffer.iWidth;
@@ -362,13 +362,13 @@
         long nRd = cReadCfg.ReadLine (&strTag[0]);
         if (nRd > 0) {
           if (strTag[0].compare ("InputFile") == 0) {
-            strInputFile	= strTag[1];
+            strInputFile = strTag[1];
           } else if (strTag[0].compare ("OutputFile") == 0) {
-            strOutputFile	= strTag[1];
+            strOutputFile = strTag[1];
           } else if (strTag[0].compare ("RestructionFile") == 0) {
-            strReconFile	= strTag[1];
+            strReconFile = strTag[1];
             int32_t iLen = (int32_t)strReconFile.length();
-            sDecParam.pFileNameRestructed	= new char[iLen + 1];
+            sDecParam.pFileNameRestructed = new char[iLen + 1];
             if (sDecParam.pFileNameRestructed != NULL) {
               sDecParam.pFileNameRestructed[iLen] = 0;
             }
@@ -375,13 +375,13 @@
 
             strncpy (sDecParam.pFileNameRestructed, strReconFile.c_str(), iLen); //confirmed_safe_unsafe_usage
           } else if (strTag[0].compare ("TargetDQID") == 0) {
-            sDecParam.uiTargetDqLayer	= (uint8_t)atol (strTag[1].c_str());
+            sDecParam.uiTargetDqLayer = (uint8_t)atol (strTag[1].c_str());
           } else if (strTag[0].compare ("OutColorFormat") == 0) {
             sDecParam.eOutputColorFormat = (EVideoFormatType) atoi (strTag[1].c_str());
           } else if (strTag[0].compare ("ErrorConcealmentIdc") == 0) {
             sDecParam.eEcActiveIdc = (ERROR_CON_IDC)atol (strTag[1].c_str());
           } else if (strTag[0].compare ("CPULoad") == 0) {
-            sDecParam.uiCpuLoad	= (uint32_t)atol (strTag[1].c_str());
+            sDecParam.uiCpuLoad = (uint32_t)atol (strTag[1].c_str());
           } else if (strTag[0].compare ("VideoBitstreamType") == 0) {
             sDecParam.sVideoProperty.eVideoBsType = (VIDEO_BITSTREAM_TYPE)atol (strTag[1].c_str());
           }
@@ -393,17 +393,17 @@
       }
     } else if (strstr (pArgV[1],
                        ".264")) { // no output dump yuv file, just try to render the decoded pictures //confirmed_safe_unsafe_usage
-      strInputFile	= pArgV[1];
-      sDecParam.eOutputColorFormat          = videoFormatI420;
-      sDecParam.uiTargetDqLayer	          = (uint8_t) - 1;
+      strInputFile = pArgV[1];
+      sDecParam.eOutputColorFormat = videoFormatI420;
+      sDecParam.uiTargetDqLayer = (uint8_t) - 1;
       sDecParam.eEcActiveIdc = ERROR_CON_SLICE_COPY;
       sDecParam.sVideoProperty.eVideoBsType = VIDEO_BITSTREAM_DEFAULT;
     }
   } else { //iArgC > 2
-    strInputFile	= pArgV[1];
-    strOutputFile	= pArgV[2];
-    sDecParam.eOutputColorFormat	= videoFormatI420;
-    sDecParam.uiTargetDqLayer	= (uint8_t) - 1;
+    strInputFile = pArgV[1];
+    strOutputFile = pArgV[2];
+    sDecParam.eOutputColorFormat = videoFormatI420;
+    sDecParam.uiTargetDqLayer = (uint8_t) - 1;
     sDecParam.eEcActiveIdc = ERROR_CON_SLICE_COPY;
     sDecParam.sVideoProperty.eVideoBsType = VIDEO_BITSTREAM_DEFAULT;
     if (iArgC > 3) {
--- a/codec/console/enc/src/welsenc.cpp
+++ b/codec/console/enc/src/welsenc.cpp
@@ -42,7 +42,7 @@
 #ifdef ONLY_ENC_FRAMES_NUM
 #undef ONLY_ENC_FRAMES_NUM
 #endif//ONLY_ENC_FRAMES_NUM
-#define ONLY_ENC_FRAMES_NUM		INT_MAX // 2, INT_MAX	// type the num you try to encode here, 2, 10, etc
+#define ONLY_ENC_FRAMES_NUM INT_MAX // 2, INT_MAX // type the num you try to encode here, 2, 10, etc
 
 #if defined (WINDOWS_PHONE)
 float   g_fFPS           = 0.0;
@@ -96,8 +96,8 @@
  *  Layer Context
  */
 typedef struct LayerpEncCtx_s {
-  int32_t				iDLayerQp;
-  SSliceConfig	sSliceCfg;
+  int32_t       iDLayerQp;
+  SSliceConfig  sSliceCfg;
 } SLayerPEncCtx;
 
 typedef struct tagFilesSet {
@@ -138,9 +138,9 @@
       if (strTag[0].empty())
         continue;
       if (strTag[0].compare ("FrameWidth") == 0) {
-        pDLayer->iVideoWidth	= atoi (strTag[1].c_str());
+        pDLayer->iVideoWidth = atoi (strTag[1].c_str());
       } else if (strTag[0].compare ("FrameHeight") == 0) {
-        pDLayer->iVideoHeight	= atoi (strTag[1].c_str());
+        pDLayer->iVideoHeight = atoi (strTag[1].c_str());
       } else if (strTag[0].compare ("FrameRateOut") == 0) {
         pDLayer->fFrameRate = (float)atof (strTag[1].c_str());
       } else if (strTag[0].compare ("ReconFile") == 0) {
@@ -148,13 +148,13 @@
         if (kiLen >= sizeof (sFileSet.sRecFileName[iLayer]))
           return -1;
         sFileSet.sRecFileName[iLayer][kiLen] = '\0';
-        strncpy (sFileSet.sRecFileName[iLayer], strTag[1].c_str(), kiLen);	// confirmed_safe_unsafe_usage
+        strncpy (sFileSet.sRecFileName[iLayer], strTag[1].c_str(), kiLen); // confirmed_safe_unsafe_usage
       } else if (strTag[0].compare ("ProfileIdc") == 0) {
-        pDLayer->uiProfileIdc	= (EProfileIdc)atoi (strTag[1].c_str());
+        pDLayer->uiProfileIdc = (EProfileIdc)atoi (strTag[1].c_str());
       } else if (strTag[0].compare ("FRExt") == 0) {
-        //					pDLayer->frext_mode	= (bool)atoi(strTag[1].c_str());
+//        pDLayer->frext_mode = (bool)atoi(strTag[1].c_str());
       } else if (strTag[0].compare ("SpatialBitrate") == 0) {
-        pDLayer->iSpatialBitrate	= 1000 * atoi (strTag[1].c_str());
+        pDLayer->iSpatialBitrate = 1000 * atoi (strTag[1].c_str());
         if (pSvcParam.iRCMode != RC_OFF_MODE) {
           if (pDLayer->iSpatialBitrate <= 0) {
             fprintf (stderr, "Invalid spatial bitrate(%d) in dependency layer #%d.\n", pDLayer->iSpatialBitrate, iLayer);
@@ -181,11 +181,11 @@
           }
         }
       } else if (strTag[0].compare ("InitialQP") == 0) {
-        sLayerCtx.iDLayerQp	= atoi (strTag[1].c_str());
+        sLayerCtx.iDLayerQp = atoi (strTag[1].c_str());
       } else if (strTag[0].compare ("SliceMode") == 0) {
-        sLayerCtx.sSliceCfg.uiSliceMode	= (SliceModeEnum)atoi (strTag[1].c_str());
+        sLayerCtx.sSliceCfg.uiSliceMode = (SliceModeEnum)atoi (strTag[1].c_str());
       } else if (strTag[0].compare ("SliceSize") == 0) { //SM_DYN_SLICE
-        sLayerCtx.sSliceCfg.sSliceArgument.uiSliceSizeConstraint	= atoi (strTag[1].c_str());
+        sLayerCtx.sSliceCfg.sSliceArgument.uiSliceSizeConstraint = atoi (strTag[1].c_str());
         continue;
       } else if (strTag[0].compare ("SliceNum") == 0) {
         sLayerCtx.sSliceCfg.sSliceArgument.uiSliceNum = atoi (strTag[1].c_str());
@@ -197,12 +197,12 @@
       }
     }
   }
-  pDLayer->iDLayerQp	= sLayerCtx.iDLayerQp;
-  pDLayer->sSliceCfg.uiSliceMode		= sLayerCtx.sSliceCfg.uiSliceMode;
+  pDLayer->iDLayerQp             = sLayerCtx.iDLayerQp;
+  pDLayer->sSliceCfg.uiSliceMode = sLayerCtx.sSliceCfg.uiSliceMode;
 
-  memcpy (&pDLayer->sSliceCfg, &sLayerCtx.sSliceCfg, sizeof (SSliceConfig));	// confirmed_safe_unsafe_usage
+  memcpy (&pDLayer->sSliceCfg, &sLayerCtx.sSliceCfg, sizeof (SSliceConfig)); // confirmed_safe_unsafe_usage
   memcpy (&pDLayer->sSliceCfg.sSliceArgument.uiSliceMbNum[0], &sLayerCtx.sSliceCfg.sSliceArgument.uiSliceMbNum[0],
-          sizeof (sLayerCtx.sSliceCfg.sSliceArgument.uiSliceMbNum));	// confirmed_safe_unsafe_usage
+          sizeof (sLayerCtx.sSliceCfg.sSliceArgument.uiSliceMbNum)); // confirmed_safe_unsafe_usage
 
   return 0;
 }
@@ -225,21 +225,21 @@
         pSrcPic->iPicHeight = atoi (strTag[1].c_str());
       } else if (strTag[0].compare ("InputFile") == 0) {
         if (strTag[1].length() > 0)
-          sFileSet.strSeqFile	= strTag[1];
+          sFileSet.strSeqFile = strTag[1];
       } else if (strTag[0].compare ("OutputFile") == 0) {
-        sFileSet.strBsFile	= strTag[1];
+        sFileSet.strBsFile = strTag[1];
       } else if (strTag[0].compare ("MaxFrameRate") == 0) {
-        pSvcParam.fMaxFrameRate	= (float)atof (strTag[1].c_str());
+        pSvcParam.fMaxFrameRate = (float)atof (strTag[1].c_str());
       } else if (strTag[0].compare ("FramesToBeEncoded") == 0) {
-        sFileSet.uiFrameToBeCoded	= atoi (strTag[1].c_str());
+        sFileSet.uiFrameToBeCoded = atoi (strTag[1].c_str());
       } else if (strTag[0].compare ("TemporalLayerNum") == 0) {
-        pSvcParam.iTemporalLayerNum	= atoi (strTag[1].c_str());
+        pSvcParam.iTemporalLayerNum = atoi (strTag[1].c_str());
       } else if (strTag[0].compare ("IntraPeriod") == 0) {
-        pSvcParam.uiIntraPeriod	= atoi (strTag[1].c_str());
+        pSvcParam.uiIntraPeriod = atoi (strTag[1].c_str());
       } else if (strTag[0].compare ("MaxNalSize") == 0) {
         pSvcParam.uiMaxNalSize = atoi (strTag[1].c_str());
       } else if (strTag[0].compare ("SpsPpsIDStrategy") == 0) {
-        int32_t iValue	= atoi (strTag[1].c_str());
+        int32_t iValue = atoi (strTag[1].c_str());
         switch (iValue) {
           case 0:
             pSvcParam.eSpsPpsIdStrategy  = CONSTANT_ID;
@@ -261,13 +261,13 @@
             break;
         }
       } else if (strTag[0].compare ("EnableScalableSEI") == 0) {
-        pSvcParam.bEnableSSEI	= atoi (strTag[1].c_str()) ? true : false;
+        pSvcParam.bEnableSSEI = atoi (strTag[1].c_str()) ? true : false;
       } else if (strTag[0].compare ("EnableFrameCropping") == 0) {
         pSvcParam.bEnableFrameCroppingFlag = (atoi (strTag[1].c_str()) != 0);
       } else if (strTag[0].compare ("EntropyCodingModeFlag") == 0) {
         pSvcParam.iEntropyCodingModeFlag = (atoi (strTag[1].c_str()) != 0);
       } else if (strTag[0].compare ("LoopFilterDisableIDC") == 0) {
-        pSvcParam.iLoopFilterDisableIdc	= (int8_t)atoi (strTag[1].c_str());
+        pSvcParam.iLoopFilterDisableIdc = (int8_t)atoi (strTag[1].c_str());
         if (pSvcParam.iLoopFilterDisableIdc > 6 || pSvcParam.iLoopFilterDisableIdc < 0) {
           fprintf (stderr, "Invalid parameter in iLoopFilterDisableIdc: %d.\n", pSvcParam.iLoopFilterDisableIdc);
           iRet = 1;
@@ -274,58 +274,58 @@
           break;
         }
       } else if (strTag[0].compare ("LoopFilterAlphaC0Offset") == 0) {
-        pSvcParam.iLoopFilterAlphaC0Offset	= (int8_t)atoi (strTag[1].c_str());
+        pSvcParam.iLoopFilterAlphaC0Offset = (int8_t)atoi (strTag[1].c_str());
         if (pSvcParam.iLoopFilterAlphaC0Offset < -6)
-          pSvcParam.iLoopFilterAlphaC0Offset	= -6;
+          pSvcParam.iLoopFilterAlphaC0Offset = -6;
         else if (pSvcParam.iLoopFilterAlphaC0Offset > 6)
-          pSvcParam.iLoopFilterAlphaC0Offset	= 6;
+          pSvcParam.iLoopFilterAlphaC0Offset = 6;
       } else if (strTag[0].compare ("LoopFilterBetaOffset") == 0) {
-        pSvcParam.iLoopFilterBetaOffset	= (int8_t)atoi (strTag[1].c_str());
+        pSvcParam.iLoopFilterBetaOffset = (int8_t)atoi (strTag[1].c_str());
         if (pSvcParam.iLoopFilterBetaOffset < -6)
-          pSvcParam.iLoopFilterBetaOffset	= -6;
+          pSvcParam.iLoopFilterBetaOffset = -6;
         else if (pSvcParam.iLoopFilterBetaOffset > 6)
-          pSvcParam.iLoopFilterBetaOffset	= 6;
+          pSvcParam.iLoopFilterBetaOffset = 6;
       } else if (strTag[0].compare ("MultipleThreadIdc") == 0) {
         // # 0: auto(dynamic imp. internal encoder); 1: multiple threads imp. disabled; > 1: count number of threads;
-        pSvcParam.iMultipleThreadIdc	= atoi (strTag[1].c_str());
+        pSvcParam.iMultipleThreadIdc = atoi (strTag[1].c_str());
         if (pSvcParam.iMultipleThreadIdc < 0)
           pSvcParam.iMultipleThreadIdc = 0;
         else if (pSvcParam.iMultipleThreadIdc > MAX_THREADS_NUM)
           pSvcParam.iMultipleThreadIdc = MAX_THREADS_NUM;
       } else if (strTag[0].compare ("RCMode") == 0) {
-        pSvcParam.iRCMode	= (RC_MODES) atoi (strTag[1].c_str());
+        pSvcParam.iRCMode = (RC_MODES) atoi (strTag[1].c_str());
       } else if (strTag[0].compare ("TargetBitrate") == 0) {
-        pSvcParam.iTargetBitrate	= 1000 * atoi (strTag[1].c_str());
+        pSvcParam.iTargetBitrate = 1000 * atoi (strTag[1].c_str());
         if ((pSvcParam.iRCMode != RC_OFF_MODE) && pSvcParam.iTargetBitrate <= 0) {
           fprintf (stderr, "Invalid target bitrate setting due to RC enabled. Check TargetBitrate field please!\n");
           return 1;
         }
       } else if (strTag[0].compare ("MaxOverallBitrate") == 0) {
-        pSvcParam.iMaxBitrate	= 1000 * atoi (strTag[1].c_str());
+        pSvcParam.iMaxBitrate = 1000 * atoi (strTag[1].c_str());
         if ((pSvcParam.iRCMode != RC_OFF_MODE) && pSvcParam.iMaxBitrate < 0) {
           fprintf (stderr, "Invalid max overall bitrate setting due to RC enabled. Check MaxOverallBitrate field please!\n");
           return 1;
         }
       } else if (strTag[0].compare ("EnableDenoise") == 0) {
-        pSvcParam.bEnableDenoise	= atoi (strTag[1].c_str()) ? true : false;
+        pSvcParam.bEnableDenoise = atoi (strTag[1].c_str()) ? true : false;
       } else if (strTag[0].compare ("EnableSceneChangeDetection") == 0) {
-        pSvcParam.bEnableSceneChangeDetect	= atoi (strTag[1].c_str()) ? true : false;
+        pSvcParam.bEnableSceneChangeDetect = atoi (strTag[1].c_str()) ? true : false;
       } else if (strTag[0].compare ("EnableBackgroundDetection") == 0) {
-        pSvcParam.bEnableBackgroundDetection	= atoi (strTag[1].c_str()) ? true : false;
+        pSvcParam.bEnableBackgroundDetection = atoi (strTag[1].c_str()) ? true : false;
       } else if (strTag[0].compare ("EnableAdaptiveQuantization") == 0) {
-        pSvcParam.bEnableAdaptiveQuant	= atoi (strTag[1].c_str()) ? true : false;
+        pSvcParam.bEnableAdaptiveQuant = atoi (strTag[1].c_str()) ? true : false;
       } else if (strTag[0].compare ("EnableFrameSkip") == 0) {
-        pSvcParam.bEnableFrameSkip	= atoi (strTag[1].c_str()) ? true : false;
+        pSvcParam.bEnableFrameSkip = atoi (strTag[1].c_str()) ? true : false;
       } else if (strTag[0].compare ("EnableLongTermReference") == 0) {
-        pSvcParam.bEnableLongTermReference	= atoi (strTag[1].c_str()) ? true : false;
+        pSvcParam.bEnableLongTermReference = atoi (strTag[1].c_str()) ? true : false;
       } else if (strTag[0].compare ("LongTermReferenceNumber") == 0) {
         pSvcParam.iLTRRefNum = atoi (strTag[1].c_str());
       } else if (strTag[0].compare ("LtrMarkPeriod") == 0) {
-        pSvcParam.iLtrMarkPeriod	= (uint32_t)atoi (strTag[1].c_str());
+        pSvcParam.iLtrMarkPeriod = (uint32_t)atoi (strTag[1].c_str());
       } else if (strTag[0].compare ("LosslessLink") == 0) {
-        pSvcParam.bIsLosslessLink	= atoi (strTag[1].c_str()) ? true : false;
+        pSvcParam.bIsLosslessLink = atoi (strTag[1].c_str()) ? true : false;
       } else if (strTag[0].compare ("NumLayers") == 0) {
-        pSvcParam.iSpatialLayerNum	= (int8_t)atoi (strTag[1].c_str());
+        pSvcParam.iSpatialLayerNum = (int8_t)atoi (strTag[1].c_str());
         if (pSvcParam.iSpatialLayerNum > MAX_DEPENDENCY_LAYER || pSvcParam.iSpatialLayerNum <= 0) {
           fprintf (stderr, "Invalid parameter in iSpatialLayerNum: %d.\n", pSvcParam.iSpatialLayerNum);
           iRet = 1;
@@ -333,16 +333,16 @@
         }
       } else if (strTag[0].compare ("LayerCfg") == 0) {
         if (strTag[1].length() > 0)
-          sFileSet.strLayerCfgFile[iLayerCount]	= strTag[1];
-//				pSvcParam.sDependencyLayers[iLayerCount].uiDependencyId	= iLayerCount;
+          sFileSet.strLayerCfgFile[iLayerCount] = strTag[1];
+//          pSvcParam.sDependencyLayers[iLayerCount].uiDependencyId = iLayerCount;
         ++ iLayerCount;
       } else if (strTag[0].compare ("PrefixNALAddingCtrl") == 0) {
         int ctrl_flag = atoi (strTag[1].c_str());
         if (ctrl_flag > 1)
-          ctrl_flag	= 1;
+          ctrl_flag = 1;
         else if (ctrl_flag < 0)
-          ctrl_flag	= 0;
-        pSvcParam.bPrefixNalAddingCtrl	= ctrl_flag ? true : false;
+          ctrl_flag = 0;
+        pSvcParam.bPrefixNalAddingCtrl = ctrl_flag ? true : false;
       }
     }
   }
@@ -349,8 +349,8 @@
 
   const int8_t kiActualLayerNum = WELS_MIN (pSvcParam.iSpatialLayerNum, iLayerCount);
   if (pSvcParam.iSpatialLayerNum >
-      kiActualLayerNum) {	// fixed number of dependency layer due to parameter error in settings
-    pSvcParam.iSpatialLayerNum	= kiActualLayerNum;
+      kiActualLayerNum) { // fixed number of dependency layer due to parameter error in settings
+    pSvcParam.iSpatialLayerNum = kiActualLayerNum;
   }
 
   assert (kiActualLayerNum <= MAX_DEPENDENCY_LAYER);
@@ -527,7 +527,7 @@
     else if (!strcmp (pCommand, "-numl") && (n < argc)) {
       pSvcParam.iSpatialLayerNum = atoi (argv[n++]);
     } else if (!strcmp (pCommand, "-lconfig") && (n < argc)) {
-      unsigned int	iLayer = atoi (argv[n++]);
+      unsigned int iLayer = atoi (argv[n++]);
       sFileSet.strLayerCfgFile[iLayer].assign (argv[n++]);
       CReadConfig cRdLayerCfg (sFileSet.strLayerCfgFile[iLayer]);
       if (-1 == ParseLayerConfig (cRdLayerCfg, iLayer, pSvcParam, sFileSet)) {
@@ -534,32 +534,32 @@
         return 1;
       }
     } else if (!strcmp (pCommand, "-drec") && (n + 1 < argc)) {
-      unsigned int	iLayer = atoi (argv[n++]);
+      unsigned int iLayer = atoi (argv[n++]);
       const unsigned int iLen = (int) strlen (argv[n]);
       if (iLen >= sizeof (sFileSet.sRecFileName[iLayer]))
         return 1;
       sFileSet.sRecFileName[iLayer][iLen] = '\0';
-      strncpy (sFileSet.sRecFileName[iLayer], argv[n++], iLen);	// confirmed_safe_unsafe_usage
+      strncpy (sFileSet.sRecFileName[iLayer], argv[n++], iLen); // confirmed_safe_unsafe_usage
     } else if (!strcmp (pCommand, "-dw") && (n + 1 < argc)) {
-      unsigned int	iLayer = atoi (argv[n++]);
+      unsigned int iLayer = atoi (argv[n++]);
       SSpatialLayerConfig* pDLayer = &pSvcParam.sSpatialLayers[iLayer];
-      pDLayer->iVideoWidth =  atoi (argv[n++]);
+      pDLayer->iVideoWidth = atoi (argv[n++]);
     }
 
     else if (!strcmp (pCommand, "-dh") && (n + 1 < argc)) {
-      unsigned int	iLayer = atoi (argv[n++]);
+      unsigned int iLayer = atoi (argv[n++]);
       SSpatialLayerConfig* pDLayer = &pSvcParam.sSpatialLayers[iLayer];
-      pDLayer->iVideoHeight =  atoi (argv[n++]);
+      pDLayer->iVideoHeight = atoi (argv[n++]);
     }
 
     else if (!strcmp (pCommand, "-frout") && (n + 1 < argc)) {
-      unsigned int	iLayer = atoi (argv[n++]);
+      unsigned int iLayer = atoi (argv[n++]);
       SSpatialLayerConfig* pDLayer = &pSvcParam.sSpatialLayers[iLayer];
       pDLayer->fFrameRate = (float)atof (argv[n++]);
     }
 
     else if (!strcmp (pCommand, "-lqp") && (n + 1 < argc)) {
-      unsigned int	iLayer = atoi (argv[n++]);
+      unsigned int iLayer = atoi (argv[n++]);
       SSpatialLayerConfig* pDLayer = &pSvcParam.sSpatialLayers[iLayer];
       pDLayer->iDLayerQp = sLayerCtx[iLayer].iDLayerQp =  atoi (argv[n++]);
     }
@@ -566,19 +566,19 @@
     //sLayerCtx[iLayer].num_quality_layers = pDLayer->num_quality_layers = 1;
 
     else if (!strcmp (pCommand, "-ltarb") && (n + 1 < argc)) {
-      unsigned int	iLayer = atoi (argv[n++]);
+      unsigned int iLayer = atoi (argv[n++]);
       SSpatialLayerConfig* pDLayer = &pSvcParam.sSpatialLayers[iLayer];
-      pDLayer->iSpatialBitrate	= 1000 * atoi (argv[n++]);
+      pDLayer->iSpatialBitrate = 1000 * atoi (argv[n++]);
     }
 
     else if (!strcmp (pCommand, "-lmaxb") && (n + 1 < argc)) {
-      unsigned int	iLayer = atoi (argv[n++]);
+      unsigned int iLayer = atoi (argv[n++]);
       SSpatialLayerConfig* pDLayer = &pSvcParam.sSpatialLayers[iLayer];
-      pDLayer->iMaxSpatialBitrate	= 1000 * atoi (argv[n++]);
+      pDLayer->iMaxSpatialBitrate = 1000 * atoi (argv[n++]);
     }
 
     else if (!strcmp (pCommand, "-slcmd") && (n + 1 < argc)) {
-      unsigned int	iLayer = atoi (argv[n++]);
+      unsigned int iLayer = atoi (argv[n++]);
       SSpatialLayerConfig* pDLayer = &pSvcParam.sSpatialLayers[iLayer];
 
       switch (atoi (argv[n++])) {
@@ -607,13 +607,13 @@
     }
 
     else if (!strcmp (pCommand, "-slcsize") && (n + 1 < argc)) {
-      unsigned int	iLayer = atoi (argv[n++]);
+      unsigned int iLayer = atoi (argv[n++]);
       SSpatialLayerConfig* pDLayer = &pSvcParam.sSpatialLayers[iLayer];
       pDLayer->sSliceCfg.sSliceArgument.uiSliceSizeConstraint = atoi (argv[n++]);
     }
 
     else if (!strcmp (pCommand, "-slcnum") && (n + 1 < argc)) {
-      unsigned int	iLayer = atoi (argv[n++]);
+      unsigned int iLayer = atoi (argv[n++]);
       SSpatialLayerConfig* pDLayer = &pSvcParam.sSpatialLayers[iLayer];
       pDLayer->sSliceCfg.sSliceArgument.uiSliceNum = atoi (argv[n++]);
     }
@@ -626,59 +626,59 @@
 int FillSpecificParameters (SEncParamExt& sParam) {
   /* Test for temporal, spatial, SNR scalability */
   sParam.iUsageType = CAMERA_VIDEO_REAL_TIME;
-  sParam.fMaxFrameRate	= 60.0f;		// input frame rate
-  sParam.iPicWidth		= 1280;			// width of picture in samples
-  sParam.iPicHeight	= 720;			// height of picture in samples
-  sParam.iTargetBitrate = 2500000;		// target bitrate desired
+  sParam.fMaxFrameRate  = 60.0f;                // input frame rate
+  sParam.iPicWidth      = 1280;                 // width of picture in samples
+  sParam.iPicHeight     = 720;                  // height of picture in samples
+  sParam.iTargetBitrate = 2500000;              // target bitrate desired
   sParam.iMaxBitrate    = UNSPECIFIED_BIT_RATE;
-  sParam.iRCMode       = RC_QUALITY_MODE;       //  rc mode control
-  sParam.iTemporalLayerNum = 3;	// layer number at temporal level
-  sParam.iSpatialLayerNum	= 4;	// layer number at spatial level
+  sParam.iRCMode        = RC_QUALITY_MODE;      //  rc mode control
+  sParam.iTemporalLayerNum = 3;    // layer number at temporal level
+  sParam.iSpatialLayerNum  = 4;    // layer number at spatial level
   sParam.bEnableDenoise    = 0;    // denoise control
   sParam.bEnableBackgroundDetection = 1; // background detection control
   sParam.bEnableAdaptiveQuant       = 1; // adaptive quantization control
   sParam.bEnableFrameSkip           = 1; // frame skipping
-  sParam.bEnableLongTermReference  = 0; // long term reference control
+  sParam.bEnableLongTermReference   = 0; // long term reference control
   sParam.iLtrMarkPeriod = 30;
-  sParam.uiIntraPeriod		= 320;		// period of Intra frame
+  sParam.uiIntraPeriod  = 320;           // period of Intra frame
   sParam.eSpsPpsIdStrategy = INCREASING_ID;
   sParam.bPrefixNalAddingCtrl = 0;
   sParam.iComplexityMode = MEDIUM_COMPLEXITY;
   int iIndexLayer = 0;
-  sParam.sSpatialLayers[iIndexLayer].uiProfileIdc	= PRO_BASELINE;
-  sParam.sSpatialLayers[iIndexLayer].iVideoWidth	= 160;
-  sParam.sSpatialLayers[iIndexLayer].iVideoHeight	= 90;
-  sParam.sSpatialLayers[iIndexLayer].fFrameRate	= 7.5f;
-  sParam.sSpatialLayers[iIndexLayer].iSpatialBitrate		= 64000;
-  sParam.sSpatialLayers[iIndexLayer].iMaxSpatialBitrate     = UNSPECIFIED_BIT_RATE;
+  sParam.sSpatialLayers[iIndexLayer].uiProfileIdc       = PRO_BASELINE;
+  sParam.sSpatialLayers[iIndexLayer].iVideoWidth        = 160;
+  sParam.sSpatialLayers[iIndexLayer].iVideoHeight       = 90;
+  sParam.sSpatialLayers[iIndexLayer].fFrameRate         = 7.5f;
+  sParam.sSpatialLayers[iIndexLayer].iSpatialBitrate    = 64000;
+  sParam.sSpatialLayers[iIndexLayer].iMaxSpatialBitrate    = UNSPECIFIED_BIT_RATE;
   sParam.sSpatialLayers[iIndexLayer].sSliceCfg.uiSliceMode = SM_SINGLE_SLICE;
 
   ++ iIndexLayer;
-  sParam.sSpatialLayers[iIndexLayer].uiProfileIdc	= PRO_SCALABLE_BASELINE;
-  sParam.sSpatialLayers[iIndexLayer].iVideoWidth	= 320;
-  sParam.sSpatialLayers[iIndexLayer].iVideoHeight	= 180;
-  sParam.sSpatialLayers[iIndexLayer].fFrameRate	= 15.0f;
-  sParam.sSpatialLayers[iIndexLayer].iSpatialBitrate		= 160000;
-  sParam.sSpatialLayers[iIndexLayer].iMaxSpatialBitrate     = UNSPECIFIED_BIT_RATE;
+  sParam.sSpatialLayers[iIndexLayer].uiProfileIdc       = PRO_SCALABLE_BASELINE;
+  sParam.sSpatialLayers[iIndexLayer].iVideoWidth        = 320;
+  sParam.sSpatialLayers[iIndexLayer].iVideoHeight       = 180;
+  sParam.sSpatialLayers[iIndexLayer].fFrameRate         = 15.0f;
+  sParam.sSpatialLayers[iIndexLayer].iSpatialBitrate    = 160000;
+  sParam.sSpatialLayers[iIndexLayer].iMaxSpatialBitrate    = UNSPECIFIED_BIT_RATE;
   sParam.sSpatialLayers[iIndexLayer].sSliceCfg.uiSliceMode = SM_SINGLE_SLICE;
 
   ++ iIndexLayer;
-  sParam.sSpatialLayers[iIndexLayer].uiProfileIdc	= PRO_SCALABLE_BASELINE;
-  sParam.sSpatialLayers[iIndexLayer].iVideoWidth	= 640;
-  sParam.sSpatialLayers[iIndexLayer].iVideoHeight	= 360;
-  sParam.sSpatialLayers[iIndexLayer].fFrameRate	= 30.0f;
-  sParam.sSpatialLayers[iIndexLayer].iSpatialBitrate		= 512000;
-  sParam.sSpatialLayers[iIndexLayer].iMaxSpatialBitrate     = UNSPECIFIED_BIT_RATE;
+  sParam.sSpatialLayers[iIndexLayer].uiProfileIdc       = PRO_SCALABLE_BASELINE;
+  sParam.sSpatialLayers[iIndexLayer].iVideoWidth        = 640;
+  sParam.sSpatialLayers[iIndexLayer].iVideoHeight       = 360;
+  sParam.sSpatialLayers[iIndexLayer].fFrameRate         = 30.0f;
+  sParam.sSpatialLayers[iIndexLayer].iSpatialBitrate    = 512000;
+  sParam.sSpatialLayers[iIndexLayer].iMaxSpatialBitrate    = UNSPECIFIED_BIT_RATE;
   sParam.sSpatialLayers[iIndexLayer].sSliceCfg.uiSliceMode = SM_SINGLE_SLICE;
   sParam.sSpatialLayers[iIndexLayer].sSliceCfg.sSliceArgument.uiSliceNum = 1;
 
   ++ iIndexLayer;
-  sParam.sSpatialLayers[iIndexLayer].uiProfileIdc	= PRO_SCALABLE_BASELINE;
-  sParam.sSpatialLayers[iIndexLayer].iVideoWidth	= 1280;
-  sParam.sSpatialLayers[iIndexLayer].iVideoHeight	= 720;
-  sParam.sSpatialLayers[iIndexLayer].fFrameRate	= 30.0f;
-  sParam.sSpatialLayers[iIndexLayer].iSpatialBitrate		= 1500000;
-  sParam.sSpatialLayers[iIndexLayer].iMaxSpatialBitrate     = UNSPECIFIED_BIT_RATE;
+  sParam.sSpatialLayers[iIndexLayer].uiProfileIdc       = PRO_SCALABLE_BASELINE;
+  sParam.sSpatialLayers[iIndexLayer].iVideoWidth        = 1280;
+  sParam.sSpatialLayers[iIndexLayer].iVideoHeight       = 720;
+  sParam.sSpatialLayers[iIndexLayer].fFrameRate         = 30.0f;
+  sParam.sSpatialLayers[iIndexLayer].iSpatialBitrate    = 1500000;
+  sParam.sSpatialLayers[iIndexLayer].iMaxSpatialBitrate    = UNSPECIFIED_BIT_RATE;
   sParam.sSpatialLayers[iIndexLayer].sSliceCfg.uiSliceMode = SM_SINGLE_SLICE;
   sParam.sSpatialLayers[iIndexLayer].sSliceCfg.sSliceArgument.uiSliceNum = 1;
 
@@ -693,7 +693,7 @@
 }
 
 int ProcessEncoding (ISVCEncoder* pPtrEnc, int argc, char** argv, bool bConfigFile) {
-  int iRet				= 0;
+  int iRet = 0;
 
   if (pPtrEnc == NULL)
     return 1;
@@ -794,7 +794,7 @@
 
   iTotalFrameMax = (int32_t)fs.uiFrameToBeCoded;
 
-  if (cmResultSuccess != pPtrEnc->InitializeExt (&sSvcParam)) {	// SVC encoder initialization
+  if (cmResultSuccess != pPtrEnc->InitializeExt (&sSvcParam)) { // SVC encoder initialization
     fprintf (stderr, "SVC encoder Initialize failed\n");
     iRet = 1;
     goto INSIDE_MEM_FREE;
@@ -860,7 +860,7 @@
     if (!bCanBeRead)
       break;
     // To encoder this frame
-    iStart	= WelsTime();
+    iStart = WelsTime();
     pSrcPic->uiTimeStamp = WELS_ROUND (iFrameIdx * (1000 / sSvcParam.fMaxFrameRate));
     int iEncFrames = pPtrEnc->EncodeFrame (pSrcPic, &sFbi);
     iTotal += WelsTime() - iStart;
@@ -900,7 +900,7 @@
             delete [] pUCArry;
           }
 #endif
-          fwrite (pLayerBsInfo->pBsBuf, 1, iLayerSize, pFpBs);	// write pure bit stream into file
+          fwrite (pLayerBsInfo->pBsBuf, 1, iLayerSize, pFpBs); // write pure bit stream into file
           iFrameSize += iLayerSize;
         }
         ++ iLayer;
@@ -910,7 +910,7 @@
         fwrite (&iFrameSize, 1, sizeof (int), fTrackStream);
       }
 #endif//STICK_STREAM_SIZE
-      ++ iActualFrameEncodedCount;	// excluding skipped frame time
+      ++ iActualFrameEncodedCount; // excluding skipped frame time
     } else {
       fprintf (stderr, "EncodeFrame(), ret: %d, frame index: %d.\n", iEncFrames, iFrameIdx);
     }
@@ -1008,8 +1008,8 @@
 int main (int argc, char** argv)
 #endif
 {
-  ISVCEncoder* pSVCEncoder	= NULL;
-  int iRet					= 0;
+  ISVCEncoder* pSVCEncoder = NULL;
+  int iRet = 0;
 
 #ifdef _MSC_VER
   _setmode (_fileno (stdin), _O_BINARY);  /* thanks to Marcoss Morais <morais at dee.ufcg.edu.br> */
--- a/codec/decoder/core/inc/au_parser.h
+++ b/codec/decoder/core/inc/au_parser.h
@@ -159,7 +159,7 @@
  * \note    Call it in case eNalUnitType is NAL_UNIT_SEI.
  *************************************************************************************
  */
-int32_t ParseSei (void* pSei, PBitStringAux pBsAux);	// reserved Sei_Msg type
+int32_t ParseSei (void* pSei, PBitStringAux pBsAux); // reserved Sei_Msg type
 
 /*!
  *************************************************************************************
--- a/codec/decoder/core/inc/bit_stream.h
+++ b/codec/decoder/core/inc/bit_stream.h
@@ -30,7 +30,7 @@
  *
  */
 
-//bit_stream.h	-	bit-stream reading and / writing auxiliary data
+//bit_stream.h  -       bit-stream reading and / writing auxiliary data
 #ifndef WELS_BIT_STREAM_H__
 #define WELS_BIT_STREAM_H__
 
--- a/codec/decoder/core/inc/dec_frame.h
+++ b/codec/decoder/core/inc/dec_frame.h
@@ -47,31 +47,31 @@
 namespace WelsDec {
 
 ///////////////////////////////////DQ Layer level///////////////////////////////////
-typedef struct TagDqLayer	SDqLayer;
-typedef SDqLayer*			PDqLayer;
+typedef struct TagDqLayer       SDqLayer;
+typedef SDqLayer*               PDqLayer;
 typedef struct TagLayerInfo {
-  SNalUnitHeaderExt		sNalHeaderExt;
-  SSlice					sSliceInLayer;	// Here Slice identify to Frame on concept
-  PSubsetSps				pSubsetSps;	// current pSubsetSps used, memory alloc in external
-  PSps					pSps;		// current sps based avc used, memory alloc in external
-  PPps					pPps;		// current pps used
+  SNalUnitHeaderExt             sNalHeaderExt;
+  SSlice                        sSliceInLayer;  // Here Slice identify to Frame on concept
+  PSubsetSps                    pSubsetSps;     // current pSubsetSps used, memory alloc in external
+  PSps                          pSps;           // current sps based avc used, memory alloc in external
+  PPps                          pPps;           // current pps used
 } SLayerInfo, *PLayerInfo;
 /* Layer Representation */
 
 struct TagDqLayer {
-  SLayerInfo			sLayerInfo;
+  SLayerInfo                    sLayerInfo;
 
-  PBitStringAux		pBitStringAux;	// pointer to SBitStringAux
-  PFmo				pFmo;		// Current fmo context pointer used
-  int16_t*  pMbType;
-  int32_t* pSliceIdc;				// using int32_t for slice_idc
-  int16_t	(*pMv[LIST_A])[MB_BLOCK4x4_NUM][MV_A];
-  int16_t	(*pMvd[LIST_A])[MB_BLOCK4x4_NUM][MV_A];
-  int8_t	(*pRefIndex[LIST_A])[MB_BLOCK4x4_NUM];
+  PBitStringAux                 pBitStringAux;  // pointer to SBitStringAux
+  PFmo                          pFmo;           // Current fmo context pointer used
+  int16_t* pMbType;
+  int32_t* pSliceIdc;                           // using int32_t for slice_idc
+  int16_t (*pMv[LIST_A])[MB_BLOCK4x4_NUM][MV_A];
+  int16_t (*pMvd[LIST_A])[MB_BLOCK4x4_NUM][MV_A];
+  int8_t  (*pRefIndex[LIST_A])[MB_BLOCK4x4_NUM];
   bool*    pNoSubMbPartSizeLessThan8x8Flag;
   bool*    pTransformSize8x8Flag;
   int8_t*  pLumaQp;
-  int8_t  (*pChromaQp)[2];
+  int8_t (*pChromaQp)[2];
   int8_t*  pCbp;
   uint16_t *pCbfDc;
   int8_t (*pNzc)[24];
@@ -93,53 +93,53 @@
   int32_t iMbX;
   int32_t iMbY;
   int32_t iMbXyIndex;
-  int32_t	iMbWidth;		// MB width of this picture, equal to sSps.iMbWidth
-  int32_t	iMbHeight;		// MB height of this picture, equal to sSps.iMbHeight;
+  int32_t iMbWidth;               // MB width of this picture, equal to sSps.iMbWidth
+  int32_t iMbHeight;              // MB height of this picture, equal to sSps.iMbHeight;
 
   /* Common syntax elements across all slices of a DQLayer */
-  int32_t					iSliceIdcBackup;
-  uint32_t				uiSpsId;
-  uint32_t				uiPpsId;
-  uint32_t				uiDisableInterLayerDeblockingFilterIdc;
-  int32_t					iInterLayerSliceAlphaC0Offset;
-  int32_t					iInterLayerSliceBetaOffset;
-  //SPosOffset			sScaledRefLayer;
-  int32_t					iSliceGroupChangeCycle;
+  int32_t                   iSliceIdcBackup;
+  uint32_t                  uiSpsId;
+  uint32_t                  uiPpsId;
+  uint32_t                  uiDisableInterLayerDeblockingFilterIdc;
+  int32_t                   iInterLayerSliceAlphaC0Offset;
+  int32_t                   iInterLayerSliceBetaOffset;
+  //SPosOffset              sScaledRefLayer;
+  int32_t                   iSliceGroupChangeCycle;
 
-  PRefPicListReorderSyn	pRefPicListReordering;
-  PPredWeightTabSyn     pPredWeightTable;
-  PRefPicMarking          pRefPicMarking; // Decoded reference picture marking syntaxs
-  PRefBasePicMarking	    pRefPicBaseMarking;
+  PRefPicListReorderSyn     pRefPicListReordering;
+  PPredWeightTabSyn         pPredWeightTable;
+  PRefPicMarking            pRefPicMarking; // Decoded reference picture marking syntaxs
+  PRefBasePicMarking        pRefPicBaseMarking;
 
-  PPicture				pRef;			// reference picture pointer
-  PPicture				pDec;			// reconstruction picture pointer for layer
+  PPicture                  pRef;                   // reference picture pointer
+  PPicture                  pDec;                   // reconstruction picture pointer for layer
 
-    bool    bUseWeightPredictionFlag;
-  bool					bStoreRefBasePicFlag;				// iCurTid == 0 && iCurQid = 0 && bEncodeKeyPic = 1
-  bool					bTCoeffLevelPredFlag;
-  bool					bConstrainedIntraResamplingFlag;
-  uint8_t					uiRefLayerDqId;
-  uint8_t					uiRefLayerChromaPhaseXPlus1Flag;
-  uint8_t					uiRefLayerChromaPhaseYPlus1;
-  uint8_t					uiLayerDqId;			// dq_id of current layer
-  bool					bUseRefBasePicFlag;	// whether reference pic or reference base pic is referred?
+  bool                      bUseWeightPredictionFlag;
+  bool                      bStoreRefBasePicFlag;                           // iCurTid == 0 && iCurQid = 0 && bEncodeKeyPic = 1
+  bool                      bTCoeffLevelPredFlag;
+  bool                      bConstrainedIntraResamplingFlag;
+  uint8_t                   uiRefLayerDqId;
+  uint8_t                   uiRefLayerChromaPhaseXPlus1Flag;
+  uint8_t                   uiRefLayerChromaPhaseYPlus1;
+  uint8_t                   uiLayerDqId;                    // dq_id of current layer
+  bool                      bUseRefBasePicFlag;     // whether reference pic or reference base pic is referred?
 };
 
 typedef struct TagGpuAvcLayer {
-  SLayerInfo				sLayerInfo;
-  PBitStringAux			pBitStringAux;	// pointer to SBitStringAux
+  SLayerInfo                sLayerInfo;
+  PBitStringAux             pBitStringAux;  // pointer to SBitStringAux
 
-  int16_t*					pMbType;
-  int32_t*					pSliceIdc;	// using int32_t for slice_idc
-  int8_t*					pLumaQp;
-  int8_t*					pCbp;
-  int8_t	(*pNzc)[24];
-  int8_t	(*pIntraPredMode)[8];     //0~3 top4x4 ; 4~6 left 4x4; 7 intra16x16
-  int32_t					iMbX;
-  int32_t					iMbY;
-  int32_t					iMbXyIndex;
-  int32_t					iMbWidth;		// MB width of this picture, equal to sSps.iMbWidth
-  int32_t					iMbHeight;		// MB height of this picture, equal to sSps.iMbHeight;
+  int16_t*                  pMbType;
+  int32_t*                  pSliceIdc;      // using int32_t for slice_idc
+  int8_t*                   pLumaQp;
+  int8_t*                   pCbp;
+  int8_t                    (*pNzc)[24];
+  int8_t                    (*pIntraPredMode)[8];     //0~3 top4x4 ; 4~6 left 4x4; 7 intra16x16
+  int32_t                   iMbX;
+  int32_t                   iMbY;
+  int32_t                   iMbXyIndex;
+  int32_t                   iMbWidth;               // MB width of this picture, equal to sSps.iMbWidth
+  int32_t                   iMbHeight;              // MB height of this picture, equal to sSps.iMbHeight;
 
 } SGpuAvcDqLayer, *PGpuAvcDqLayer;
 
--- a/codec/decoder/core/inc/decoder_context.h
+++ b/codec/decoder/core/inc/decoder_context.h
@@ -142,13 +142,13 @@
 
 /**/
 typedef struct TagRefPic {
-  PPicture			pRefList[LIST_A][MAX_REF_PIC_COUNT];	// reference picture marking plus FIFO scheme
-  PPicture			pShortRefList[LIST_A][MAX_SHORT_REF_COUNT];
-  PPicture			pLongRefList[LIST_A][MAX_LONG_REF_COUNT];
-  uint8_t				uiRefCount[LIST_A];
-  uint8_t				uiShortRefCount[LIST_A];
-  uint8_t				uiLongRefCount[LIST_A];	// dependend on ref pic module
-  int32_t				iMaxLongTermFrameIdx;
+  PPicture      pRefList[LIST_A][MAX_REF_PIC_COUNT];    // reference picture marking plus FIFO scheme
+  PPicture      pShortRefList[LIST_A][MAX_SHORT_REF_COUNT];
+  PPicture      pLongRefList[LIST_A][MAX_LONG_REF_COUNT];
+  uint8_t       uiRefCount[LIST_A];
+  uint8_t       uiShortRefCount[LIST_A];
+  uint8_t       uiLongRefCount[LIST_A]; // dependend on ref pic module
+  int32_t       iMaxLongTermFrameIdx;
 } SRefPic, *PRefPic;
 
 typedef void (*PCopyFunc) (uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc, int32_t iStrideS);
@@ -161,11 +161,11 @@
 struct TagDeblockingFunc;
 
 typedef struct tagDeblockingFilter {
-  uint8_t*	pCsData[3];	// pointer to reconstructed picture data
-  int32_t	iCsStride[2];	// Cs stride
+  uint8_t*      pCsData[3];     // pointer to reconstructed picture data
+  int32_t       iCsStride[2];   // Cs stride
   EWelsSliceType  eSliceType;
-  int8_t	iSliceAlphaC0Offset;
-  int8_t	iSliceBetaOffset;
+  int8_t        iSliceAlphaC0Offset;
+  int8_t        iSliceBetaOffset;
   int8_t  iChromaQP[2];
   int8_t  iLumaQP;
   struct TagDeblockingFunc*  pLoopf;
@@ -205,9 +205,9 @@
 typedef void (*PWelsNonZeroCountFunc) (int8_t* pNonZeroCount);
 typedef void (*PWelsBlockZeroFunc) (int16_t* block, int32_t stride);
 typedef  struct  TagBlockFunc {
-  PWelsNonZeroCountFunc		pWelsSetNonZeroCountFunc;
-  PWelsBlockZeroFunc			pWelsBlockZero16x16Func;
-  PWelsBlockZeroFunc			pWelsBlockZero8x8Func;
+  PWelsNonZeroCountFunc pWelsSetNonZeroCountFunc;
+  PWelsBlockZeroFunc    pWelsBlockZero16x16Func;
+  PWelsBlockZeroFunc    pWelsBlockZero8x8Func;
 } SBlockFunc;
 
 typedef void (*PWelsFillNeighborMbInfoIntra4x4Func) (PWelsNeighAvail pNeighAvail, uint8_t* pNonZeroCount,
@@ -232,62 +232,62 @@
 typedef struct TagWelsDecoderContext {
   SLogContext sLogCtx;
 // Input
-  void*				pArgDec;			// structured arguments for decoder, reserved here for extension in the future
+  void*                         pArgDec;                        // structured arguments for decoder, reserved here for extension in the future
 
-  SDataBuffer                     sRawData;
-  SDataBuffer                     sSavedData; //for parse only purpose
+  SDataBuffer                   sRawData;
+  SDataBuffer                   sSavedData; //for parse only purpose
 
 // Configuration
-  SDecodingParam*                 pParam;
-  uint32_t			uiCpuFlag;			// CPU compatibility detected
+  SDecodingParam*               pParam;
+  uint32_t                      uiCpuFlag;                      // CPU compatibility detected
 
-  EVideoFormatType eOutputColorFormat;		// color space format to be outputed
+  EVideoFormatType eOutputColorFormat;          // color space format to be outputed
   VIDEO_BITSTREAM_TYPE eVideoType; //indicate the type of video to decide whether or not to do qp_delta error detection.
-  bool				bHaveGotMemory;	// global memory for decoder context related ever requested?
+  bool                          bHaveGotMemory; // global memory for decoder context related ever requested?
 
-  int32_t				iImgWidthInPixel;	// width of image in pixel reconstruction picture to be output
-  int32_t				iImgHeightInPixel;// height of image in pixel reconstruction picture to be output
-  int32_t				iLastImgWidthInPixel;	// width of image in last successful pixel reconstruction picture to be output
-  int32_t				iLastImgHeightInPixel;// height of image in last successful pixel reconstruction picture to be output
+  int32_t                       iImgWidthInPixel;       // width of image in pixel reconstruction picture to be output
+  int32_t                       iImgHeightInPixel;// height of image in pixel reconstruction picture to be output
+  int32_t                       iLastImgWidthInPixel;   // width of image in last successful pixel reconstruction picture to be output
+  int32_t                       iLastImgHeightInPixel;// height of image in last successful pixel reconstruction picture to be output
   bool bFreezeOutput; // indicating current frame freezing. Default: true
 
 
 // Derived common elements
-  SNalUnitHeader		sCurNalHead;
-  EWelsSliceType			eSliceType;			// Slice type
-  int32_t				iFrameNum;
-  int32_t				iPrevFrameNum;		// frame number of previous frame well decoded for non-truncated mode yet
-  bool              bLastHasMmco5;      //
-  int32_t				iErrorCode;			// error code return while decoding in case packets lost
-  SFmo				sFmoList[MAX_PPS_COUNT];	// list for FMO storage
-  PFmo				pFmo;				// current fmo context after parsed slice_header
-  int32_t				iActiveFmoNum;		// active count number of fmo context in list
+  SNalUnitHeader                sCurNalHead;
+  EWelsSliceType                eSliceType;                     // Slice type
+  int32_t                       iFrameNum;
+  int32_t                       iPrevFrameNum;          // frame number of previous frame well decoded for non-truncated mode yet
+  bool                          bLastHasMmco5;      //
+  int32_t                       iErrorCode;                     // error code return while decoding in case packets lost
+  SFmo                          sFmoList[MAX_PPS_COUNT];        // list for FMO storage
+  PFmo                          pFmo;                           // current fmo context after parsed slice_header
+  int32_t                       iActiveFmoNum;          // active count number of fmo context in list
 
   /*needed info by decode slice level and mb level*/
   int32_t
-  iDecBlockOffsetArray[24];	// address talbe for sub 4x4 block in intra4x4_mb, so no need to caculta the address every time.
+  iDecBlockOffsetArray[24];     // address talbe for sub 4x4 block in intra4x4_mb, so no need to caculta the address every time.
 
   struct {
     int16_t*  pMbType[LAYER_NUM_EXCHANGEABLE];                      /* mb type */
-    int16_t	(*pMv[LAYER_NUM_EXCHANGEABLE][LIST_A])[MB_BLOCK4x4_NUM][MV_A]; //[LAYER_NUM_EXCHANGEABLE   MB_BLOCK4x4_NUM*]
-    int8_t	(*pRefIndex[LAYER_NUM_EXCHANGEABLE][LIST_A])[MB_BLOCK4x4_NUM];
+    int16_t (*pMv[LAYER_NUM_EXCHANGEABLE][LIST_A])[MB_BLOCK4x4_NUM][MV_A]; //[LAYER_NUM_EXCHANGEABLE   MB_BLOCK4x4_NUM*]
+    int8_t (*pRefIndex[LAYER_NUM_EXCHANGEABLE][LIST_A])[MB_BLOCK4x4_NUM];
     bool*   pNoSubMbPartSizeLessThan8x8Flag[LAYER_NUM_EXCHANGEABLE];
     bool*   pTransformSize8x8Flag[LAYER_NUM_EXCHANGEABLE];
-    int8_t*	pLumaQp[LAYER_NUM_EXCHANGEABLE];	/*mb luma_qp*/
-    int8_t	(*pChromaQp[LAYER_NUM_EXCHANGEABLE])[2];					/*mb chroma_qp*/
-    int16_t	(*pMvd[LAYER_NUM_EXCHANGEABLE][LIST_A])[MB_BLOCK4x4_NUM][MV_A]; //[LAYER_NUM_EXCHANGEABLE   MB_BLOCK4x4_NUM*]
+    int8_t* pLumaQp[LAYER_NUM_EXCHANGEABLE];        /*mb luma_qp*/
+    int8_t  (*pChromaQp[LAYER_NUM_EXCHANGEABLE])[2];                                        /*mb chroma_qp*/
+    int16_t (*pMvd[LAYER_NUM_EXCHANGEABLE][LIST_A])[MB_BLOCK4x4_NUM][MV_A]; //[LAYER_NUM_EXCHANGEABLE   MB_BLOCK4x4_NUM*]
     uint16_t* pCbfDc[LAYER_NUM_EXCHANGEABLE];
-    int8_t	(*pNzc[LAYER_NUM_EXCHANGEABLE])[24];
-    int8_t	(*pNzcRs[LAYER_NUM_EXCHANGEABLE])[24];
+    int8_t  (*pNzc[LAYER_NUM_EXCHANGEABLE])[24];
+    int8_t  (*pNzcRs[LAYER_NUM_EXCHANGEABLE])[24];
     int16_t (*pScaledTCoeff[LAYER_NUM_EXCHANGEABLE])[MB_COEFF_LIST_SIZE]; /*need be aligned*/
-    int8_t	(*pIntraPredMode[LAYER_NUM_EXCHANGEABLE])[8]; //0~3 top4x4 ; 4~6 left 4x4; 7 intra16x16
+    int8_t  (*pIntraPredMode[LAYER_NUM_EXCHANGEABLE])[8]; //0~3 top4x4 ; 4~6 left 4x4; 7 intra16x16
     int8_t (*pIntra4x4FinalMode[LAYER_NUM_EXCHANGEABLE])[MB_BLOCK4x4_NUM];
-    uint8_t*  pIntraNxNAvailFlag[LAYER_NUM_EXCHANGEABLE];
+    uint8_t* pIntraNxNAvailFlag[LAYER_NUM_EXCHANGEABLE];
     int8_t*  pChromaPredMode[LAYER_NUM_EXCHANGEABLE];
     int8_t*  pCbp[LAYER_NUM_EXCHANGEABLE];
     uint8_t (*pMotionPredFlag[LAYER_NUM_EXCHANGEABLE][LIST_A])[MB_PARTITION_SIZE]; // 8x8
     int8_t (*pSubMbType[LAYER_NUM_EXCHANGEABLE])[MB_SUB_PARTITION_SIZE];
-    int32_t* pSliceIdc[LAYER_NUM_EXCHANGEABLE];		// using int32_t for slice_idc
+    int32_t* pSliceIdc[LAYER_NUM_EXCHANGEABLE];         // using int32_t for slice_idc
     int8_t*  pResidualPredFlag[LAYER_NUM_EXCHANGEABLE];
     int8_t*  pInterPredictionDoneFlag[LAYER_NUM_EXCHANGEABLE];
     bool*    pMbCorrectlyDecodedFlag[LAYER_NUM_EXCHANGEABLE];
@@ -297,78 +297,77 @@
   } sMb;
 
 // reconstruction picture
-  PPicture			pDec;			//pointer to current picture being reconstructed
+  PPicture                      pDec;                   //pointer to current picture being reconstructed
 
 // reference pictures
-  SRefPic				sRefPic;
+  SRefPic                       sRefPic;
 
-  SVlcTable			sVlcTable;		 // vlc table
+  SVlcTable                     sVlcTable;               // vlc table
 
-  SBitStringAux		sBs;
+  SBitStringAux                 sBs;
   int32_t iMaxBsBufferSizeInByte; //actual memory size for BS buffer
 
   /* Global memory external */
 
-  SPosOffset	sFrameCrop;
+  SPosOffset sFrameCrop;
 
-  SSps				sSpsBuffer[MAX_SPS_COUNT + 1];
-  SPps				sPpsBuffer[MAX_PPS_COUNT + 1];
-  PSliceHeader		pSliceHeader;
+  SSps                          sSpsBuffer[MAX_SPS_COUNT + 1];
+  SPps                          sPpsBuffer[MAX_PPS_COUNT + 1];
+  PSliceHeader                  pSliceHeader;
 
-  PPicBuff	        pPicBuff[LIST_A];	// Initially allocated memory for pictures which are used in decoding.
-  int32_t				iPicQueueNumber;
+  PPicBuff                      pPicBuff[LIST_A];       // Initially allocated memory for pictures which are used in decoding.
+  int32_t                       iPicQueueNumber;
 
-  SSubsetSps			sSubsetSpsBuffer[MAX_SPS_COUNT + 1];
-  SNalUnit            sPrefixNal;
+  SSubsetSps                    sSubsetSpsBuffer[MAX_SPS_COUNT + 1];
+  SNalUnit                      sPrefixNal;
 
-  PAccessUnit			pAccessUnitList;	// current access unit list to be performed
-  PSps        pActiveLayerSps[MAX_LAYER_NUM];
-  PSps				pSps;	// used by current AU
-  PPps				pPps;	// used by current AU
+  PAccessUnit                   pAccessUnitList;        // current access unit list to be performed
+  PSps                          pActiveLayerSps[MAX_LAYER_NUM];
+  PSps                          pSps;   // used by current AU
+  PPps                          pPps;   // used by current AU
 // Memory for pAccessUnitList is dynamically held till decoder destruction.
-  PDqLayer			pCurDqLayer;		// current DQ layer representation, also carry reference base layer if applicable
-  PDqLayer			pDqLayersList[LAYER_NUM_EXCHANGEABLE];	// DQ layers list with memory allocated
+  PDqLayer                      pCurDqLayer;            // current DQ layer representation, also carry reference base layer if applicable
+  PDqLayer                      pDqLayersList[LAYER_NUM_EXCHANGEABLE];  // DQ layers list with memory allocated
 
-  int32_t             iPicWidthReq;		// picture width have requested the memory
-  int32_t             iPicHeightReq;		// picture height have requested the memory
+  int32_t                       iPicWidthReq;             // picture width have requested the memory
+  int32_t                       iPicHeightReq;            // picture height have requested the memory
 
-  uint8_t				uiTargetDqId;		// maximal DQ ID in current access unit, meaning target layer ID
-  bool				bAvcBasedFlag;		// For decoding bitstream:
-  bool				bEndOfStreamFlag;	// Flag on end of stream requested by external application layer
+  uint8_t                       uiTargetDqId;           // maximal DQ ID in current access unit, meaning target layer ID
+  bool                          bAvcBasedFlag;          // For decoding bitstream:
+  bool                          bEndOfStreamFlag;       // Flag on end of stream requested by external application layer
   bool                          bInstantDecFlag;        // Flag for no-delay decoding
-  bool				bInitialDqLayersMem;	// dq layers related memory is available?
+  bool                          bInitialDqLayersMem;    // dq layers related memory is available?
 
-  bool              bOnlyOneLayerInCurAuFlag; //only one layer in current AU: 1
+  bool                          bOnlyOneLayerInCurAuFlag; //only one layer in current AU: 1
 
 // for EC parameter sets
-  bool				bSpsExistAheadFlag;	// whether does SPS NAL exist ahead of sequence?
-  bool				bSubspsExistAheadFlag;// whether does Subset SPS NAL exist ahead of sequence?
-  bool				bPpsExistAheadFlag;	// whether does PPS NAL exist ahead of sequence?
+  bool                          bSpsExistAheadFlag;     // whether does SPS NAL exist ahead of sequence?
+  bool                          bSubspsExistAheadFlag;// whether does Subset SPS NAL exist ahead of sequence?
+  bool                          bPpsExistAheadFlag;     // whether does PPS NAL exist ahead of sequence?
 
-  int32_t			iSpsErrorIgnored;
-  int32_t			iSubSpsErrorIgnored;
-  int32_t			iPpsErrorIgnored;
+  int32_t                       iSpsErrorIgnored;
+  int32_t                       iSubSpsErrorIgnored;
+  int32_t                       iPpsErrorIgnored;
 
-  bool				bSpsAvailFlags[MAX_SPS_COUNT];
-  bool				bSubspsAvailFlags[MAX_SPS_COUNT];
-  bool				bPpsAvailFlags[MAX_PPS_COUNT];
-  int32_t     iPPSLastInvalidId;
-  int32_t     iPPSInvalidNum;
-  int32_t     iSPSLastInvalidId;
-  int32_t     iSPSInvalidNum;
-  int32_t     iSubSPSLastInvalidId;
-  int32_t     iSubSPSInvalidNum;
+  bool                          bSpsAvailFlags[MAX_SPS_COUNT];
+  bool                          bSubspsAvailFlags[MAX_SPS_COUNT];
+  bool                          bPpsAvailFlags[MAX_PPS_COUNT];
+  int32_t                       iPPSLastInvalidId;
+  int32_t                       iPPSInvalidNum;
+  int32_t                       iSPSLastInvalidId;
+  int32_t                       iSPSInvalidNum;
+  int32_t                       iSubSPSLastInvalidId;
+  int32_t                       iSubSPSInvalidNum;
 
-  bool				bReferenceLostAtT0Flag;
-  int32_t     iTotalNumMbRec; //record current number of decoded MB
+  bool                          bReferenceLostAtT0Flag;
+  int32_t                       iTotalNumMbRec; //record current number of decoded MB
 #ifdef LONG_TERM_REF
-  bool				bParamSetsLostFlag;	//sps or pps do not exist or not correct
+  bool                          bParamSetsLostFlag;     //sps or pps do not exist or not correct
 
-  bool
-  bCurAuContainLtrMarkSeFlag; //current AU has the LTR marking syntax element, mark the previous frame or self
-  int32_t             iFrameNumOfAuMarkedLtr; //if bCurAuContainLtrMarkSeFlag==true, SHOULD set this variable
+  bool                          bCurAuContainLtrMarkSeFlag; //current AU has the LTR marking syntax element, mark the previous frame or self
+  int32_t                       iFrameNumOfAuMarkedLtr; //if bCurAuContainLtrMarkSeFlag==true, SHOULD set this variable
 
-  uint16_t            uiCurIdrPicId;
+  uint16_t                      uiCurIdrPicId;
 #endif
   bool       bNewSeqBegin;
   bool       bNextNewSeqBegin;
@@ -387,20 +386,20 @@
   SParserBsInfo* pParserBsInfo;
 
   PPicture pPreviousDecodedPictureInDpb; //pointer to previously decoded picture in DPB for error concealment
-  PGetIntraPredFunc pGetI16x16LumaPredFunc[7];		//h264_predict_copy_16x16;
-  PGetIntraPredFunc pGetI4x4LumaPredFunc[14];		// h264_predict_4x4_t
-  PGetIntraPredFunc pGetIChromaPredFunc[7];		// h264_predict_8x8_t
-  PIdctResAddPredFunc	pIdctResAddPredFunc;
-  SMcFunc				sMcFunc;
+  PGetIntraPredFunc pGetI16x16LumaPredFunc[7];          //h264_predict_copy_16x16;
+  PGetIntraPredFunc pGetI4x4LumaPredFunc[14];           // h264_predict_4x4_t
+  PGetIntraPredFunc pGetIChromaPredFunc[7];             // h264_predict_8x8_t
+  PIdctResAddPredFunc pIdctResAddPredFunc;
+  SMcFunc sMcFunc;
   //Transform8x8
   PGetIntraPred8x8Func pGetI8x8LumaPredFunc[14];
-  PIdctResAddPredFunc	pIdctResAddPredFunc8x8;
+  PIdctResAddPredFunc  pIdctResAddPredFunc8x8;
 
 //For error concealment
   SCopyFunc sCopyFunc;
   /* For Deblocking */
   SDeblockingFunc     sDeblockingFunc;
-  SExpandPicFunc	    sExpandPicFunc;
+  SExpandPicFunc      sExpandPicFunc;
 
   /* For Block */
   SBlockFunc          sBlockFunc;
--- a/codec/decoder/core/inc/error_code.h
+++ b/codec/decoder/core/inc/error_code.h
@@ -56,7 +56,7 @@
  * ERR_NO = (ERR_LEVEL_FROM (HIGH WORD) << 16) | (ERR_INFO_FROM (LOW WORD))
  *
  */
-#define GENERATE_ERROR_NO(iErrLevel, iErrInfo)	((iErrLevel << 16) | (iErrInfo & 0xFFFF))
+#define GENERATE_ERROR_NO(iErrLevel, iErrInfo) ((iErrLevel << 16) | (iErrInfo & 0xFFFF))
 #define ERR_INVALID_INTRA4X4_MODE -1
 
 /* ERR_LEVEL */
--- a/codec/decoder/core/inc/fmo.h
+++ b/codec/decoder/core/inc/fmo.h
@@ -47,7 +47,7 @@
 namespace WelsDec {
 
 #ifndef MB_XY_T
-#define MB_XY_T	int16_t
+#define MB_XY_T int16_t
 #endif//MB_XY_T
 
 /*!
@@ -54,12 +54,12 @@
  * \brief   Wels Flexible Macroblock Ordering (FMO)
  */
 typedef struct TagFmo {
-uint8_t*		pMbAllocMap;
-int32_t		iCountMbNum;
-int32_t		iSliceGroupCount;
-int32_t		iSliceGroupType;
-bool		bActiveFlag;
-uint8_t		uiReserved[3];		// reserved padding bytes
+uint8_t*        pMbAllocMap;
+int32_t         iCountMbNum;
+int32_t         iSliceGroupCount;
+int32_t         iSliceGroupType;
+bool            bActiveFlag;
+uint8_t         uiReserved[3];          // reserved padding bytes
 } SFmo, *PFmo;
 
 
--- a/codec/decoder/core/inc/nal_prefix.h
+++ b/codec/decoder/core/inc/nal_prefix.h
@@ -30,7 +30,7 @@
  *
  */
 
-//nal_prefix.h	-	definitions for NAL Unit Header(/Ext) and PrefixNALUnit
+//nal_prefix.h  -       definitions for NAL Unit Header(/Ext) and PrefixNALUnit
 #ifndef WELS_NAL_UNIT_PREFIX_H__
 #define WELS_NAL_UNIT_PREFIX_H__
 
@@ -44,11 +44,11 @@
 
 /* Prefix NAL Unix syntax, refer to Page 392 in JVT X201wcm */
 typedef struct TagPrefixNalUnit {
-SRefBasePicMarking	sRefPicBaseMarking;
-bool		bStoreRefBasePicFlag;
-bool		bPrefixNalUnitAdditionalExtFlag;
-bool		bPrefixNalUnitExtFlag;
-bool          bPrefixNalCorrectFlag;
+SRefBasePicMarking sRefPicBaseMarking;
+bool               bStoreRefBasePicFlag;
+bool               bPrefixNalUnitAdditionalExtFlag;
+bool               bPrefixNalUnitExtFlag;
+bool               bPrefixNalCorrectFlag;
 } SPrefixNalUnit, *PPrefixNalUnit;
 
 } // namespace WelsDec
--- a/codec/decoder/core/inc/nalu.h
+++ b/codec/decoder/core/inc/nalu.h
@@ -30,7 +30,7 @@
  *
  */
 
-//nalu.h:	NAL Unit definition
+//nalu.h:       NAL Unit definition
 #ifndef WELS_NAL_UNIT_H__
 #define WELS_NAL_UNIT_H__
 
@@ -45,17 +45,17 @@
 
 /* NAL Unit Structure */
 typedef struct TagNalUnit {
-SNalUnitHeaderExt	sNalHeaderExt;
+SNalUnitHeaderExt       sNalHeaderExt;
 
 union {
   struct SVclNal {
-    SSliceHeaderExt	sSliceHeaderExt;
-    SBitStringAux	sSliceBitsRead;
-    uint8_t*		 pNalPos;	  // save the address of slice nal for GPU function
-    int32_t 		iNalLength;   // save the nal length for GPU function
-    bool			bSliceHeaderExtFlag;
+    SSliceHeaderExt     sSliceHeaderExt;
+    SBitStringAux       sSliceBitsRead;
+    uint8_t*            pNalPos;         // save the address of slice nal for GPU function
+    int32_t             iNalLength;   // save the nal length for GPU function
+    bool                bSliceHeaderExtFlag;
   } sVclNal;
-  SPrefixNalUnit	sPrefixNal;
+  SPrefixNalUnit        sPrefixNal;
 } sNalData;
 unsigned long long uiTimeStamp;
 } SNalUnit, *PNalUnit;
@@ -64,14 +64,14 @@
 
 /* Access Unit structure */
 typedef struct TagAccessUnits {
-PNalUnit*		pNalUnitsList;	// list of NAL Units pointer in this AU
-uint32_t		uiAvailUnitsNum;	// Number of NAL Units available in each AU list based current bitstream,
-uint32_t		uiActualUnitsNum;	// actual number of NAL units belong to current au
+PNalUnit*               pNalUnitsList;  // list of NAL Units pointer in this AU
+uint32_t                uiAvailUnitsNum;        // Number of NAL Units available in each AU list based current bitstream,
+uint32_t                uiActualUnitsNum;       // actual number of NAL units belong to current au
 // While available number exceeds count size below, need realloc extra NAL Units for list space.
-uint32_t		uiCountUnitsNum;	// Count size number of malloced NAL Units in each AU list
-uint32_t		uiStartPos;
-uint32_t		uiEndPos;
-bool			bCompletedAuFlag;	// Indicate whether it is a completed AU
+uint32_t                uiCountUnitsNum;        // Count size number of malloced NAL Units in each AU list
+uint32_t                uiStartPos;
+uint32_t                uiEndPos;
+bool                    bCompletedAuFlag;       // Indicate whether it is a completed AU
 } SAccessUnit, *PAccessUnit;
 
 } // namespace WelsDec
--- a/codec/decoder/core/inc/parameter_sets.h
+++ b/codec/decoder/core/inc/parameter_sets.h
@@ -42,52 +42,52 @@
 
 /* Sequence Parameter Set, refer to Page 57 in JVT X201wcm */
 typedef struct TagSps {
-  int32_t	    iSpsId;
-  uint32_t	iMbWidth;
-  uint32_t	iMbHeight;
-  uint32_t	uiTotalMbCount;	//used in decode_slice_data()
+  int32_t       iSpsId;
+  uint32_t      iMbWidth;
+  uint32_t      iMbHeight;
+  uint32_t      uiTotalMbCount; //used in decode_slice_data()
 
-  uint32_t	uiLog2MaxFrameNum;
-  uint32_t	uiPocType;
+  uint32_t      uiLog2MaxFrameNum;
+  uint32_t      uiPocType;
   /* POC type 0 */
-  int32_t		iLog2MaxPocLsb;
+  int32_t       iLog2MaxPocLsb;
   /* POC type 1 */
-  int32_t		iOffsetForNonRefPic;
+  int32_t       iOffsetForNonRefPic;
 
-  int32_t		iOffsetForTopToBottomField;
-  int32_t		iNumRefFramesInPocCycle;
-  int8_t		iOffsetForRefFrame[256];
-  int32_t		iNumRefFrames;
+  int32_t       iOffsetForTopToBottomField;
+  int32_t       iNumRefFramesInPocCycle;
+  int8_t        iOffsetForRefFrame[256];
+  int32_t       iNumRefFrames;
 
-  SPosOffset	sFrameCrop;
+  SPosOffset    sFrameCrop;
 
-  ProfileIdc	uiProfileIdc;
-  uint8_t		uiLevelIdc;
-  uint8_t		uiChromaFormatIdc;
-  uint8_t		uiChromaArrayType;
+  ProfileIdc    uiProfileIdc;
+  uint8_t       uiLevelIdc;
+  uint8_t       uiChromaFormatIdc;
+  uint8_t       uiChromaArrayType;
 
-  uint8_t		uiBitDepthLuma;
-  uint8_t		uiBitDepthChroma;
+  uint8_t       uiBitDepthLuma;
+  uint8_t       uiBitDepthChroma;
   /* TO BE CONTINUE: POC type 1 */
-  bool		bDeltaPicOrderAlwaysZeroFlag;
-  bool		bGapsInFrameNumValueAllowedFlag;
+  bool          bDeltaPicOrderAlwaysZeroFlag;
+  bool          bGapsInFrameNumValueAllowedFlag;
 
-  bool		bFrameMbsOnlyFlag;
-  bool		bMbaffFlag;	// MB Adapative Frame Field
-  bool		bDirect8x8InferenceFlag;
-  bool		bFrameCroppingFlag;
+  bool          bFrameMbsOnlyFlag;
+  bool          bMbaffFlag;     // MB Adapative Frame Field
+  bool          bDirect8x8InferenceFlag;
+  bool          bFrameCroppingFlag;
 
-  bool		bVuiParamPresentFlag;
-//	bool		bTimingInfoPresentFlag;
-//	bool		bFixedFrameRateFlag;
-  bool		bConstraintSet0Flag;
-  bool		bConstraintSet1Flag;
-  bool		bConstraintSet2Flag;
-  bool		bConstraintSet3Flag;
-  bool		bSeparateColorPlaneFlag;
-  bool		bQpPrimeYZeroTransfBypassFlag;
-  bool		bSeqScalingMatrixPresentFlag;
-  bool		bSeqScalingListPresentFlag[12];
+  bool          bVuiParamPresentFlag;
+//  bool          bTimingInfoPresentFlag;
+//  bool          bFixedFrameRateFlag;
+  bool          bConstraintSet0Flag;
+  bool          bConstraintSet1Flag;
+  bool          bConstraintSet2Flag;
+  bool          bConstraintSet3Flag;
+  bool          bSeparateColorPlaneFlag;
+  bool          bQpPrimeYZeroTransfBypassFlag;
+  bool          bSeqScalingMatrixPresentFlag;
+  bool          bSeqScalingListPresentFlag[12];
   //Add scaling list supporting
   uint8_t  iScalingList4x4[6][16];
   uint8_t  iScalingList8x8[6][64];
@@ -98,75 +98,75 @@
 
 /* Sequence Parameter Set extension syntax, refer to Page 58 in JVT X201wcm */
 //typedef struct TagSpsExt{
-//	uint32_t	iSpsId;
-//	uint32_t	uiAuxFormatIdc;
-//	int32_t		iAlphaOpaqueValue;
-//	int32_t		iAlphaTransparentValue;
+//  uint32_t      iSpsId;
+//  uint32_t      uiAuxFormatIdc;
+//  int32_t       iAlphaOpaqueValue;
+//  int32_t       iAlphaTransparentValue;
 
-//	uint8_t		uiBitDepthAux;
-//	bool		bAlphaIncrFlag;
-//	bool		bAdditionalExtFlag;
+//  uint8_t       uiBitDepthAux;
+//  bool          bAlphaIncrFlag;
+//  bool          bAdditionalExtFlag;
 //}SSpsExt, *PSpsExt;
 
 /* Sequence Parameter Set extension syntax, refer to Page 391 in JVT X201wcm */
 typedef struct TagSpsSvcExt {
-  SPosOffset	sSeqScaledRefLayer;
+  SPosOffset    sSeqScaledRefLayer;
 
-  uint8_t		uiExtendedSpatialScalability;	// ESS
-  uint8_t		uiChromaPhaseXPlus1Flag;
-  uint8_t		uiChromaPhaseYPlus1;
-  uint8_t		uiSeqRefLayerChromaPhaseXPlus1Flag;
-  uint8_t		uiSeqRefLayerChromaPhaseYPlus1;
-  bool		bInterLayerDeblockingFilterCtrlPresentFlag;
-  bool		bSeqTCoeffLevelPredFlag;
-  bool		bAdaptiveTCoeffLevelPredFlag;
-  bool		bSliceHeaderRestrictionFlag;
+  uint8_t       uiExtendedSpatialScalability;   // ESS
+  uint8_t       uiChromaPhaseXPlus1Flag;
+  uint8_t       uiChromaPhaseYPlus1;
+  uint8_t       uiSeqRefLayerChromaPhaseXPlus1Flag;
+  uint8_t       uiSeqRefLayerChromaPhaseYPlus1;
+  bool          bInterLayerDeblockingFilterCtrlPresentFlag;
+  bool          bSeqTCoeffLevelPredFlag;
+  bool          bAdaptiveTCoeffLevelPredFlag;
+  bool          bSliceHeaderRestrictionFlag;
 } SSpsSvcExt, *PSpsSvcExt;
 
 /* Subset sequence parameter set syntax, refer to Page 391 in JVT X201wcm */
 typedef struct TagSubsetSps {
-  SSps		sSps;
-  SSpsSvcExt	sSpsSvcExt;
-  bool		bSvcVuiParamPresentFlag;
-  bool		bAdditionalExtension2Flag;
-  bool		bAdditionalExtension2DataFlag;
+  SSps          sSps;
+  SSpsSvcExt    sSpsSvcExt;
+  bool          bSvcVuiParamPresentFlag;
+  bool          bAdditionalExtension2Flag;
+  bool          bAdditionalExtension2DataFlag;
 } SSubsetSps, *PSubsetSps;
 
 /* Picture parameter set syntax, refer to Page 59 in JVT X201wcm */
 typedef struct TagPps {
-  int32_t	iSpsId;
-  int32_t	iPpsId;
+  int32_t       iSpsId;
+  int32_t       iPpsId;
 
-  uint32_t	uiNumSliceGroups;
-  uint32_t	uiSliceGroupMapType;
+  uint32_t      uiNumSliceGroups;
+  uint32_t      uiSliceGroupMapType;
   /* slice_group_map_type = 0 */
-  uint32_t	uiRunLength[MAX_SLICEGROUP_IDS];
+  uint32_t      uiRunLength[MAX_SLICEGROUP_IDS];
   /* slice_group_map_type = 2 */
-  uint32_t	uiTopLeft[MAX_SLICEGROUP_IDS];
-  uint32_t	uiBottomRight[MAX_SLICEGROUP_IDS];
+  uint32_t      uiTopLeft[MAX_SLICEGROUP_IDS];
+  uint32_t      uiBottomRight[MAX_SLICEGROUP_IDS];
   /* slice_group_map_type = 3, 4 or 5 */
-  uint32_t	uiSliceGroupChangeRate;
+  uint32_t      uiSliceGroupChangeRate;
   /* slice_group_map_type = 6 */
-  uint32_t	uiPicSizeInMapUnits;
-  uint32_t	uiSliceGroupId[MAX_SLICEGROUP_IDS];
+  uint32_t      uiPicSizeInMapUnits;
+  uint32_t      uiSliceGroupId[MAX_SLICEGROUP_IDS];
 
-  uint32_t	uiNumRefIdxL0Active;
-  uint32_t	uiNumRefIdxL1Active;
+  uint32_t      uiNumRefIdxL0Active;
+  uint32_t      uiNumRefIdxL1Active;
 
-  int32_t		iPicInitQp;
-  int32_t		iPicInitQs;
-  int32_t		iChromaQpIndexOffset[2];//cb,cr
+  int32_t       iPicInitQp;
+  int32_t       iPicInitQs;
+  int32_t       iChromaQpIndexOffset[2];//cb,cr
 
-  bool		bEntropyCodingModeFlag;
-  bool		bPicOrderPresentFlag;
+  bool          bEntropyCodingModeFlag;
+  bool          bPicOrderPresentFlag;
   /* slice_group_map_type = 3, 4 or 5 */
-  bool		bSliceGroupChangeDirectionFlag;
-  bool		bDeblockingFilterControlPresentFlag;
+  bool          bSliceGroupChangeDirectionFlag;
+  bool          bDeblockingFilterControlPresentFlag;
 
-  bool		bConstainedIntraPredFlag;
-  bool		bRedundantPicCntPresentFlag;
-  bool		bWeightedPredFlag;
-  uint8_t		uiWeightedBipredIdc;
+  bool          bConstainedIntraPredFlag;
+  bool          bRedundantPicCntPresentFlag;
+  bool          bWeightedPredFlag;
+  uint8_t       uiWeightedBipredIdc;
 
   bool    bTransform8x8ModeFlag;
   //Add for scalinglist support
--- a/codec/decoder/core/inc/picture.h
+++ b/codec/decoder/core/inc/picture.h
@@ -30,7 +30,7 @@
  *
  */
 
-//picture.h	-	reconstruction picture/ reference picture/ residual picture are declared here
+//picture.h     -       reconstruction picture/ reference picture/ residual picture are declared here
 #ifndef WELS_PICTURE_H__
 #define WELS_PICTURE_H__
 
@@ -44,10 +44,10 @@
  */
 typedef struct TagPicture {
 /************************************payload data*********************************/
-uint8_t*		pBuffer[4];		// pointer to the first allocated byte, basical offset of buffer, dimension:
-uint8_t*		pData[4];		// pointer to picture planes respectively
-int32_t		iLinesize[4];// linesize of picture planes respectively used currently
-int32_t		iPlanes;			// How many planes are introduced due to color space format?
+uint8_t*        pBuffer[4];             // pointer to the first allocated byte, basical offset of buffer, dimension:
+uint8_t*        pData[4];               // pointer to picture planes respectively
+int32_t         iLinesize[4];// linesize of picture planes respectively used currently
+int32_t         iPlanes;                        // How many planes are introduced due to color space format?
 // picture information
 
 /*******************************from EC mv copy****************************/
@@ -55,25 +55,25 @@
 
 /*******************************from other standard syntax****************************/
 /*from sps*/
-int32_t		iWidthInPixel;	// picture width in pixel
-int32_t		iHeightInPixel;// picture height in pixel
+int32_t         iWidthInPixel;  // picture width in pixel
+int32_t         iHeightInPixel;// picture height in pixel
 /*from slice header*/
-int32_t		iFramePoc;		// frame POC
+int32_t         iFramePoc;              // frame POC
 
 /*******************************sef_definition for misc use****************************/
-bool		bUsedAsRef;							//for ref pic management
-bool		bIsLongRef;	// long term reference frame flag	//for ref pic management
-uint8_t		uiRefCount;
-bool		bAvailableFlag;	// indicate whether it is available in this picture memory block.
+bool            bUsedAsRef;                                                     //for ref pic management
+bool            bIsLongRef;     // long term reference frame flag       //for ref pic management
+uint8_t         uiRefCount;
+bool            bAvailableFlag; // indicate whether it is available in this picture memory block.
 
-bool            bIsComplete;	// indicate whether current picture is complete, not from EC
+bool            bIsComplete;    // indicate whether current picture is complete, not from EC
 /*******************************for future use****************************/
-uint8_t		uiTemporalId;
-uint8_t		uiSpatialId;
-uint8_t		uiQualityId;
+uint8_t         uiTemporalId;
+uint8_t         uiSpatialId;
+uint8_t         uiQualityId;
 
-int32_t		iFrameNum;		// frame number			//for ref pic management
-int32_t		iLongTermFrameIdx;					//id for long term ref pic
+int32_t         iFrameNum;              // frame number                 //for ref pic management
+int32_t         iLongTermFrameIdx;                                      //id for long term ref pic
 
 int32_t     iSpsId; //against mosaic caused by cross-IDR interval reference.
 int32_t     iPpsId;
@@ -82,7 +82,7 @@
 int32_t iMbEcedNum;
 int32_t iMbEcedPropNum;
 int32_t iMbNum;
-} SPicture, *PPicture;	// "Picture" declaration is comflict with Mac system
+} SPicture, *PPicture; // "Picture" declaration is comflict with Mac system
 
 } // namespace WelsDec
 
--- a/codec/decoder/core/inc/slice.h
+++ b/codec/decoder/core/inc/slice.h
@@ -51,7 +51,7 @@
   uint16_t    uiLongTermPicNum;
   uint16_t    uiReorderingOfPicNumsIdc;
 } sReorderingSyn[LIST_A][MAX_REF_PIC_COUNT];
-bool		bRefPicListReorderingFlag[LIST_A];
+bool          bRefPicListReorderingFlag[LIST_A];
 } SRefPicListReorderSyn, *PRefPicListReorderSyn;
 
 /*
@@ -58,15 +58,15 @@
  *  Prediction weight table syntax, refer to page 65 in JVT X201wcm
  */
 typedef struct TagPredWeightTabSyntax {
-uint32_t	uiLumaLog2WeightDenom;
-uint32_t	uiChromaLog2WeightDenom;
+uint32_t  uiLumaLog2WeightDenom;
+uint32_t  uiChromaLog2WeightDenom;
 struct {
-  int32_t	iLumaWeight[MAX_REF_PIC_COUNT];
+  int32_t iLumaWeight[MAX_REF_PIC_COUNT];
   int32_t iLumaOffset[MAX_REF_PIC_COUNT];
-  int32_t	iChromaWeight[MAX_REF_PIC_COUNT][2];
+  int32_t iChromaWeight[MAX_REF_PIC_COUNT][2];
   int32_t iChromaOffset[MAX_REF_PIC_COUNT][2];
-  bool	bLumaWeightFlag;
-  bool	bChromaWeightFlag;
+  bool    bLumaWeightFlag;
+  bool    bChromaWeightFlag;
 } sPredList[LIST_A];
 } SPredWeightTabSyn,*PPredWeightTabSyn;
 
@@ -75,129 +75,129 @@
 struct {
   uint32_t    uiMmcoType;
   int32_t     iShortFrameNum;
-  int32_t	    iDiffOfPicNum;
+  int32_t     iDiffOfPicNum;
   uint32_t    uiLongTermPicNum;
-  int32_t	    iLongTermFrameIdx;
-  int32_t	    iMaxLongTermFrameIdx;
+  int32_t     iLongTermFrameIdx;
+  int32_t     iMaxLongTermFrameIdx;
 } sMmcoRef[MAX_MMCO_COUNT];
 
-bool		bNoOutputOfPriorPicsFlag;
-bool		bLongTermRefFlag;
-bool		bAdaptiveRefPicMarkingModeFlag;
+bool          bNoOutputOfPriorPicsFlag;
+bool          bLongTermRefFlag;
+bool          bAdaptiveRefPicMarkingModeFlag;
 } SRefPicMarking, *PRefPicMarking;
 
 /* Decode reference base picture marking syntax in Page 396 of JVT X201wcm */
 typedef struct TagRefBasePicMarkingSyn {
 struct {
-  uint32_t	uiMmcoType;
-  int32_t	    iShortFrameNum;
-  uint32_t	uiDiffOfPicNums;
-  uint32_t	uiLongTermPicNum; //should uint32_t, cover larger range of iFrameNum.
-} mmco_base[MAX_MMCO_COUNT];	// MAX_REF_PIC for reference picture based on frame
+  uint32_t      uiMmcoType;
+  int32_t       iShortFrameNum;
+  uint32_t      uiDiffOfPicNums;
+  uint32_t      uiLongTermPicNum; //should uint32_t, cover larger range of iFrameNum.
+} mmco_base[MAX_MMCO_COUNT];    // MAX_REF_PIC for reference picture based on frame
 
-bool		bAdaptiveRefBasePicMarkingModeFlag;
+bool            bAdaptiveRefBasePicMarkingModeFlag;
 } SRefBasePicMarking, *PRefBasePicMarking;
 
 /* Header of slice syntax elements, refer to Page 63 in JVT X201wcm */
 typedef struct TagSliceHeaders {
 /*****************************slice header syntax and generated****************************/
-int32_t		iFirstMbInSlice;
-int32_t		iFrameNum;
-int32_t		iPicOrderCntLsb;
-int32_t		iDeltaPicOrderCntBottom;
-int32_t		iDeltaPicOrderCnt[2];
-int32_t		iRedundantPicCnt;
-int32_t		uiRefCount[LIST_A];
-int32_t		iSliceQpDelta;	//no use for iSliceQp is used directly
-int32_t		iSliceQp;
-int32_t		iSliceQsDelta;	// For SP/SI slices
-uint32_t	uiDisableDeblockingFilterIdc;
-int32_t		iSliceAlphaC0Offset;
-int32_t		iSliceBetaOffset;
-int32_t		iSliceGroupChangeCycle;
+int32_t         iFirstMbInSlice;
+int32_t         iFrameNum;
+int32_t         iPicOrderCntLsb;
+int32_t         iDeltaPicOrderCntBottom;
+int32_t         iDeltaPicOrderCnt[2];
+int32_t         iRedundantPicCnt;
+int32_t         uiRefCount[LIST_A];
+int32_t         iSliceQpDelta;  //no use for iSliceQp is used directly
+int32_t         iSliceQp;
+int32_t         iSliceQsDelta;  // For SP/SI slices
+uint32_t        uiDisableDeblockingFilterIdc;
+int32_t         iSliceAlphaC0Offset;
+int32_t         iSliceBetaOffset;
+int32_t         iSliceGroupChangeCycle;
 
-PSps		pSps;
-PPps		pPps;
-int32_t	    iSpsId;
-int32_t	    iPpsId;
+PSps            pSps;
+PPps            pPps;
+int32_t         iSpsId;
+int32_t         iPpsId;
 bool bIdrFlag;
 
 /*********************got from other layer for efficency if possible*********************/
-SRefPicListReorderSyn	pRefPicListReordering;	// Reference picture list reordering syntaxs
-SPredWeightTabSyn		sPredWeightTable;
-int32_t		iCabacInitIdc;
-int32_t		iMbWidth;	//from?
-int32_t		iMbHeight; //from?
-SRefPicMarking		sRefMarking;	// Decoded reference picture marking syntaxs
+SRefPicListReorderSyn   pRefPicListReordering;  // Reference picture list reordering syntaxs
+SPredWeightTabSyn       sPredWeightTable;
+int32_t                 iCabacInitIdc;
+int32_t                 iMbWidth;       //from?
+int32_t                 iMbHeight; //from?
+SRefPicMarking          sRefMarking;    // Decoded reference picture marking syntaxs
 
 uint16_t    uiIdrPicId;
-EWelsSliceType	eSliceType;
-bool		bNumRefIdxActiveOverrideFlag;
-bool		bFieldPicFlag;		//not supported in base profile
-bool		bBottomFiledFlag;		//not supported in base profile
-uint8_t		uiPadding1Byte;
-bool		bSpForSwitchFlag;			// For SP/SI slices
-int16_t		iPadding2Bytes;
+EWelsSliceType  eSliceType;
+bool            bNumRefIdxActiveOverrideFlag;
+bool            bFieldPicFlag;          //not supported in base profile
+bool            bBottomFiledFlag;               //not supported in base profile
+uint8_t         uiPadding1Byte;
+bool            bSpForSwitchFlag;                       // For SP/SI slices
+int16_t         iPadding2Bytes;
 } SSliceHeader, *PSliceHeader;
 
 
 /* Slice header in scalable extension syntax, refer to Page 394 in JVT X201wcm */
 typedef struct TagSliceHeaderExt {
-SSliceHeader	sSliceHeader;
-PSubsetSps	pSubsetSps;
+SSliceHeader    sSliceHeader;
+PSubsetSps      pSubsetSps;
 
-uint32_t	uiDisableInterLayerDeblockingFilterIdc;
-int32_t		iInterLayerSliceAlphaC0Offset;
-int32_t		iInterLayerSliceBetaOffset;
+uint32_t        uiDisableInterLayerDeblockingFilterIdc;
+int32_t         iInterLayerSliceAlphaC0Offset;
+int32_t         iInterLayerSliceBetaOffset;
 
 //SPosOffset sScaledRefLayer;
-int32_t		iScaledRefLayerPicWidthInSampleLuma;
-int32_t		iScaledRefLayerPicHeightInSampleLuma;
+int32_t         iScaledRefLayerPicWidthInSampleLuma;
+int32_t         iScaledRefLayerPicHeightInSampleLuma;
 
-SRefBasePicMarking	sRefBasePicMarking;
-bool		bBasePredWeightTableFlag;
-bool		bStoreRefBasePicFlag;
-bool		bConstrainedIntraResamplingFlag;
-bool		bSliceSkipFlag;
+SRefBasePicMarking sRefBasePicMarking;
+bool            bBasePredWeightTableFlag;
+bool            bStoreRefBasePicFlag;
+bool            bConstrainedIntraResamplingFlag;
+bool            bSliceSkipFlag;
 
-bool		bAdaptiveBaseModeFlag;
-bool		bDefaultBaseModeFlag;
-bool		bAdaptiveMotionPredFlag;
-bool		bDefaultMotionPredFlag;
-bool		bAdaptiveResidualPredFlag;
-bool		bDefaultResidualPredFlag;
-bool		bTCoeffLevelPredFlag;
-uint8_t		uiRefLayerChromaPhaseXPlus1Flag;
+bool            bAdaptiveBaseModeFlag;
+bool            bDefaultBaseModeFlag;
+bool            bAdaptiveMotionPredFlag;
+bool            bDefaultMotionPredFlag;
+bool            bAdaptiveResidualPredFlag;
+bool            bDefaultResidualPredFlag;
+bool            bTCoeffLevelPredFlag;
+uint8_t         uiRefLayerChromaPhaseXPlus1Flag;
 
-uint8_t		uiRefLayerChromaPhaseYPlus1;
-uint8_t		uiRefLayerDqId;
-uint8_t		uiScanIdxStart;
-uint8_t		uiScanIdxEnd;
+uint8_t         uiRefLayerChromaPhaseYPlus1;
+uint8_t         uiRefLayerDqId;
+uint8_t         uiScanIdxStart;
+uint8_t         uiScanIdxEnd;
 } SSliceHeaderExt, *PSliceHeaderExt;
 
 
 typedef struct TagSlice {
 /*******************************slice_header****************************/
-SSliceHeaderExt	sSliceHeaderExt;
+SSliceHeaderExt sSliceHeaderExt;
 
 /*******************************use for future****************************/
 // for Macroblock coding within slice
-int32_t		iLastMbQp;		// stored qp for last mb coded, maybe more efficient for mb skip detection etc.
+int32_t         iLastMbQp;              // stored qp for last mb coded, maybe more efficient for mb skip detection etc.
 
 /*******************************slice_data****************************/
 /*slice_data_ext()*/
-int32_t		iMbSkipRun;
-int32_t     iTotalMbInCurSlice; //record the total number of MB in current slice.
+int32_t         iMbSkipRun;
+int32_t         iTotalMbInCurSlice; //record the total number of MB in current slice.
 
 /*slice_data_ext() generate*/
 
 /*******************************misc use****************************/
-bool		bSliceHeaderExtFlag; // Indicate which slice header is used, avc or ext?
+bool            bSliceHeaderExtFlag; // Indicate which slice header is used, avc or ext?
 /*************got from other layer for effiency if possible***************/
 /*from lower layer: slice header*/
-uint8_t		eSliceType;
-uint8_t		uiPadding[2];
-int32_t     iLastDeltaQp;
+uint8_t         eSliceType;
+uint8_t         uiPadding[2];
+int32_t         iLastDeltaQp;
 } SSlice, *PSlice;
 
 } // namespace WelsDec
--- a/codec/decoder/core/inc/wels_common_basis.h
+++ b/codec/decoder/core/inc/wels_common_basis.h
@@ -53,14 +53,14 @@
 extern const uint8_t g_kCache30ScanIdx[16];
 extern const uint8_t g_kNonZeroScanIdxC[4];
 /* Profile IDC */
-typedef uint8_t		ProfileIdc;
+typedef uint8_t ProfileIdc;
 
 /* Position Offset structure */
 typedef struct TagPosOffset {
-int32_t	iLeftOffset;
-int32_t	iTopOffset;
-int32_t	iRightOffset;
-int32_t	iBottomOffset;
+int32_t iLeftOffset;
+int32_t iTopOffset;
+int32_t iRightOffset;
+int32_t iBottomOffset;
 } SPosOffset;
 
 /* MB Type & Sub-MB Type */
@@ -86,8 +86,8 @@
 #define LUMA_DC_AC_INTRA_8  17
 #define LUMA_DC_AC_INTER_8  18
 
-#define SHIFT_BUFFER(pBitsCache)	{	pBitsCache->pBuf+=2; pBitsCache->uiRemainBits += 16; pBitsCache->uiCache32Bit |= (((pBitsCache->pBuf[2] << 8) | pBitsCache->pBuf[3]) << (32 - pBitsCache->uiRemainBits));	}
-#define POP_BUFFER(pBitsCache, iCount)	{ pBitsCache->uiCache32Bit <<= iCount;	pBitsCache->uiRemainBits -= iCount;	}
+#define SHIFT_BUFFER(pBitsCache)        { pBitsCache->pBuf+=2; pBitsCache->uiRemainBits += 16; pBitsCache->uiCache32Bit |= (((pBitsCache->pBuf[2] << 8) | pBitsCache->pBuf[3]) << (32 - pBitsCache->uiRemainBits)); }
+#define POP_BUFFER(pBitsCache, iCount)  { pBitsCache->uiCache32Bit <<= iCount;  pBitsCache->uiRemainBits -= iCount; }
 
 static const uint8_t g_kuiZigzagScan[16] = { //4*4block residual zig-zag scan order
     0,  1,  4,  8,
@@ -129,67 +129,65 @@
     7,  7,  7,  7,  8,  8,  8,  8,
 };
 
-static inline void GetMbResProperty(int32_t * pMBproperty,int32_t* pResidualProperty,bool bCavlc)
-{
- switch(*pResidualProperty)
-  {
+static inline void GetMbResProperty (int32_t* pMBproperty, int32_t* pResidualProperty, bool bCavlc) {
+  switch (*pResidualProperty) {
   case CHROMA_AC_U:
-	  *pMBproperty = 1;
-	  *pResidualProperty = bCavlc ? CHROMA_AC : CHROMA_AC_U;
-	  break;
+    *pMBproperty = 1;
+    *pResidualProperty = bCavlc ? CHROMA_AC : CHROMA_AC_U;
+    break;
   case CHROMA_AC_V:
-	  *pMBproperty = 2;
-	  *pResidualProperty = bCavlc ? CHROMA_AC : CHROMA_AC_V;
-	  break;
+    *pMBproperty = 2;
+    *pResidualProperty = bCavlc ? CHROMA_AC : CHROMA_AC_V;
+    break;
   case LUMA_DC_AC_INTRA:
-	  *pMBproperty = 0;
-	  *pResidualProperty = LUMA_DC_AC;
-	  break;
+    *pMBproperty = 0;
+    *pResidualProperty = LUMA_DC_AC;
+    break;
   case CHROMA_DC_U:
-      *pMBproperty = 1;
-	  *pResidualProperty =  bCavlc ? CHROMA_DC : CHROMA_DC_U;
-      break;
- case CHROMA_DC_V:
-	  *pMBproperty = 2;
-	  *pResidualProperty =  bCavlc ? CHROMA_DC : CHROMA_DC_V;
-	  break;
+    *pMBproperty = 1;
+    *pResidualProperty =  bCavlc ? CHROMA_DC : CHROMA_DC_U;
+    break;
+  case CHROMA_DC_V:
+    *pMBproperty = 2;
+    *pResidualProperty =  bCavlc ? CHROMA_DC : CHROMA_DC_V;
+    break;
   case I16_LUMA_AC:
-	  *pMBproperty = 0;
-	  break;
+    *pMBproperty = 0;
+    break;
   case I16_LUMA_DC:
-	  *pMBproperty = 0;
-	  break;
+    *pMBproperty = 0;
+    break;
   case LUMA_DC_AC_INTER:
-	  *pMBproperty = 3;
-      *pResidualProperty = LUMA_DC_AC;
-	  break;
+    *pMBproperty = 3;
+    *pResidualProperty = LUMA_DC_AC;
+    break;
   case CHROMA_DC_U_INTER:
-      *pMBproperty = 4;
-	  *pResidualProperty =  bCavlc ? CHROMA_DC : CHROMA_DC_U;
-      break;
+    *pMBproperty = 4;
+    *pResidualProperty =  bCavlc ? CHROMA_DC : CHROMA_DC_U;
+    break;
   case CHROMA_DC_V_INTER:
-	  *pMBproperty = 5;
-	  *pResidualProperty =  bCavlc ? CHROMA_DC : CHROMA_DC_V;
-	  break;
- case CHROMA_AC_U_INTER:
-	  *pMBproperty = 4;
-	  *pResidualProperty =  bCavlc ? CHROMA_AC : CHROMA_AC_U;
-	  break;
- case CHROMA_AC_V_INTER:
-	  *pMBproperty = 5;
-	  *pResidualProperty =  bCavlc ? CHROMA_AC : CHROMA_AC_V;
-	  break;
-    // Reference to Table 7-2
- case LUMA_DC_AC_INTRA_8:
+    *pMBproperty = 5;
+    *pResidualProperty =  bCavlc ? CHROMA_DC : CHROMA_DC_V;
+    break;
+  case CHROMA_AC_U_INTER:
+    *pMBproperty = 4;
+    *pResidualProperty =  bCavlc ? CHROMA_AC : CHROMA_AC_U;
+    break;
+  case CHROMA_AC_V_INTER:
+    *pMBproperty = 5;
+    *pResidualProperty =  bCavlc ? CHROMA_AC : CHROMA_AC_V;
+    break;
+  // Reference to Table 7-2
+  case LUMA_DC_AC_INTRA_8:
     *pMBproperty = 6;
     *pResidualProperty = LUMA_DC_AC_8;
     break;
- case LUMA_DC_AC_INTER_8:
+  case LUMA_DC_AC_INTER_8:
     *pMBproperty = 7;
     *pResidualProperty = LUMA_DC_AC_8;
     break;
- }
   }
+}
 
 typedef struct TagI16PredInfo {
     int8_t iPredMode;
@@ -217,7 +215,7 @@
     int8_t iLeftAvail;
     int8_t iTopAvail;
     int8_t iLeftTopAvail;
-    //	int8_t right_top_avail; //when right_top unavailable but top avail, we can pad the right-top with the rightmost pixel of top
+    // int8_t right_top_avail; //when right_top unavailable but top avail, we can pad the right-top with the rightmost pixel of top
 } SI4PredInfo;
 static const SI4PredInfo g_ksI4PredInfo[9] = {
     {  I4_PRED_V, 0, 1, 0},
--- a/codec/decoder/core/src/au_parser.cpp
+++ b/codec/decoder/core/src/au_parser.cpp
@@ -110,7 +110,7 @@
   int32_t iNalSize  = iSrcRbspLen;
   PBitStringAux pBs = NULL;
   bool bExtensionFlag = false;
-  int32_t iErr	= ERR_NONE;
+  int32_t iErr = ERR_NONE;
   int32_t iBitSize = 0;
   SDataBuffer* pSavedData = &pCtx->sSavedData;
   SLogContext* pLogCtx = & (pCtx->sLogCtx);
@@ -132,14 +132,14 @@
     }
   }
 
-  pNalUnitHeader->uiForbiddenZeroBit	= (uint8_t) (pNal[0] >> 7);			// uiForbiddenZeroBit
+  pNalUnitHeader->uiForbiddenZeroBit = (uint8_t) (pNal[0] >> 7); // uiForbiddenZeroBit
   if (pNalUnitHeader->uiForbiddenZeroBit) { //2010.4.14
     pCtx->iErrorCode |= dsBitstreamError;
     return NULL; //uiForbiddenZeroBit should always equal to 0
   }
 
-  pNalUnitHeader->uiNalRefIdc		= (uint8_t) (pNal[0] >> 5);			// uiNalRefIdc
-  pNalUnitHeader->eNalUnitType		= (EWelsNalUnitType) (pNal[0] & 0x1f);	// eNalUnitType
+  pNalUnitHeader->uiNalRefIdc   = (uint8_t) (pNal[0] >> 5);             // uiNalRefIdc
+  pNalUnitHeader->eNalUnitType  = (EWelsNalUnitType) (pNal[0] & 0x1f);  // eNalUnitType
 
   ++pNal;
   --iNalSize;
@@ -155,7 +155,7 @@
       pCtx->iSpsErrorIgnored++;
     }
     pCtx->sDecoderStatistics.iSpsNoExistNalNum++;
-    pCtx->iErrorCode	= dsNoParamSets;
+    pCtx->iErrorCode = dsNoParamSets;
     return NULL;
   }
   pCtx->iSpsErrorIgnored = 0;
@@ -169,7 +169,7 @@
       pCtx->iPpsErrorIgnored++;
     }
     pCtx->sDecoderStatistics.iPpsNoExistNalNum++;
-    pCtx->iErrorCode	= dsNoParamSets;
+    pCtx->iErrorCode = dsNoParamSets;
     return NULL;
   }
   pCtx->iPpsErrorIgnored = 0;
@@ -184,7 +184,7 @@
       pCtx->iSubSpsErrorIgnored++;
     }
     pCtx->sDecoderStatistics.iSubSpsNoExistNalNum++;
-    pCtx->iErrorCode	|= dsNoParamSets;
+    pCtx->iErrorCode    |= dsNoParamSets;
     return NULL;
   }
   pCtx->iSubSpsErrorIgnored = 0;
@@ -203,7 +203,7 @@
     pCurNal->uiTimeStamp = pCtx->uiTimeStamp;
 
     if (iNalSize < NAL_UNIT_HEADER_EXT_SIZE) {
-      PAccessUnit pCurAu	   = pCtx->pAccessUnitList;
+      PAccessUnit pCurAu = pCtx->pAccessUnitList;
       uint32_t uiAvailNalNum = pCurAu->uiAvailUnitsNum;
 
       if (uiAvailNalNum > 0) {
@@ -222,7 +222,7 @@
       WelsLog (pLogCtx, WELS_LOG_WARNING,
                "ParseNalHeader() in Prefix Nal Unit:uiQualityId (%d) != 0, bUseRefBasePicFlag (%d) != 0, not supported!",
                pCurNal->sNalHeaderExt.uiQualityId, pCurNal->sNalHeaderExt.bUseRefBasePicFlag);
-      PAccessUnit pCurAu	   = pCtx->pAccessUnitList;
+      PAccessUnit pCurAu = pCtx->pAccessUnitList;
       uint32_t uiAvailNalNum = pCurAu->uiAvailUnitsNum;
 
       if (uiAvailNalNum > 0) {
@@ -241,8 +241,8 @@
     *pConsumedBytes += NAL_UNIT_HEADER_EXT_SIZE;
 
     pCurNal->sNalHeaderExt.sNalUnitHeader.uiForbiddenZeroBit = pNalUnitHeader->uiForbiddenZeroBit;
-    pCurNal->sNalHeaderExt.sNalUnitHeader.uiNalRefIdc		  = pNalUnitHeader->uiNalRefIdc;
-    pCurNal->sNalHeaderExt.sNalUnitHeader.eNalUnitType	      = pNalUnitHeader->eNalUnitType;
+    pCurNal->sNalHeaderExt.sNalUnitHeader.uiNalRefIdc        = pNalUnitHeader->uiNalRefIdc;
+    pCurNal->sNalHeaderExt.sNalUnitHeader.eNalUnitType       = pNalUnitHeader->eNalUnitType;
     if (pNalUnitHeader->uiNalRefIdc != 0) {
       pBs = &pCtx->sBs;
       iBitSize = (iNalSize << 3) - BsGetTrailingBits (pNal + iNalSize - 1); // convert into bit
@@ -250,7 +250,7 @@
       iErr = DecInitBits (pBs, pNal, iBitSize);
       if (iErr) {
         WelsLog (pLogCtx, WELS_LOG_ERROR, "NAL_UNIT_PREFIX: DecInitBits() fail due invalid access.");
-        pCtx->iErrorCode	|= dsBitstreamError;
+        pCtx->iErrorCode |= dsBitstreamError;
         return NULL;
       }
       ParsePrefixNalUnit (pCtx, pBs);
@@ -262,19 +262,19 @@
     bExtensionFlag = true;
   case NAL_UNIT_CODED_SLICE:
   case NAL_UNIT_CODED_SLICE_IDR: {
-    PAccessUnit pCurAu		= NULL;
+    PAccessUnit pCurAu = NULL;
     uint32_t uiAvailNalNum;
     pCurNal = MemGetNextNal (&pCtx->pAccessUnitList);
     if (NULL == pCurNal) {
       WelsLog (pLogCtx, WELS_LOG_ERROR, "MemGetNextNal() fail due out of memory.");
-      pCtx->iErrorCode	|= dsOutOfMemory;
+      pCtx->iErrorCode |= dsOutOfMemory;
       return NULL;
     }
     pCurNal->uiTimeStamp = pCtx->uiTimeStamp;
     pCurNal->sNalHeaderExt.sNalUnitHeader.uiForbiddenZeroBit = pNalUnitHeader->uiForbiddenZeroBit;
-    pCurNal->sNalHeaderExt.sNalUnitHeader.uiNalRefIdc		  = pNalUnitHeader->uiNalRefIdc;
-    pCurNal->sNalHeaderExt.sNalUnitHeader.eNalUnitType	  = pNalUnitHeader->eNalUnitType;
-    pCurAu	      = pCtx->pAccessUnitList;
+    pCurNal->sNalHeaderExt.sNalUnitHeader.uiNalRefIdc        = pNalUnitHeader->uiNalRefIdc;
+    pCurNal->sNalHeaderExt.sNalUnitHeader.eNalUnitType       = pNalUnitHeader->eNalUnitType;
+    pCurAu        = pCtx->pAccessUnitList;
     uiAvailNalNum = pCurAu->uiAvailUnitsNum;
 
 
@@ -386,7 +386,7 @@
         }
       }
       WelsLog (pLogCtx, WELS_LOG_ERROR, "NAL_UNIT_CODED_SLICE: DecInitBits() fail due invalid access.");
-      pCtx->iErrorCode	|= dsBitstreamError;
+      pCtx->iErrorCode |= dsBitstreamError;
       return NULL;
     }
     iErr = ParseSliceHeaderSyntaxs (pCtx, pBs, bExtensionFlag);
@@ -576,16 +576,16 @@
  */
 int32_t ParseNonVclNal (PWelsDecoderContext pCtx, uint8_t* pRbsp, const int32_t kiSrcLen, uint8_t* pSrcNal,
                         const int32_t kSrcNalLen) {
-  PBitStringAux	pBs = NULL;
-  EWelsNalUnitType eNalType	= NAL_UNIT_UNSPEC_0; // make initial value as unspecified
-  int32_t iPicWidth		= 0;
-  int32_t iPicHeight		= 0;
-  int32_t iBitSize		= 0;
-  int32_t iErr				= ERR_NONE;
+  PBitStringAux pBs = NULL;
+  EWelsNalUnitType eNalType     = NAL_UNIT_UNSPEC_0; // make initial value as unspecified
+  int32_t iPicWidth             = 0;
+  int32_t iPicHeight            = 0;
+  int32_t iBitSize              = 0;
+  int32_t iErr                  = ERR_NONE;
   if (kiSrcLen <= 0)
     return iErr;
 
-  pBs	     = &pCtx->sBs;	// SBitStringAux instance for non VCL NALs decoding
+  pBs = &pCtx->sBs; // SBitStringAux instance for non VCL NALs decoding
   iBitSize = (kiSrcLen << 3) - BsGetTrailingBits (pRbsp + kiSrcLen - 1); // convert into bit
   eNalType = pCtx->sCurNalHead.eNalUnitType;
 
@@ -603,7 +603,7 @@
       }
     }
     iErr = ParseSps (pCtx, pBs, &iPicWidth, &iPicHeight, pSrcNal, kSrcNalLen);
-    if (ERR_NONE != iErr) {	// modified for pSps/pSubsetSps invalid, 12/1/2009
+    if (ERR_NONE != iErr) { // modified for pSps/pSubsetSps invalid, 12/1/2009
       if (pCtx->eErrorConMethod == ERROR_CON_DISABLE)
         pCtx->iErrorCode |= dsNoParamSets;
       else
@@ -625,7 +625,7 @@
       }
     }
     iErr = ParsePps (pCtx, &pCtx->sPpsBuffer[0], pBs, pSrcNal, kSrcNalLen);
-    if (ERR_NONE != iErr) {	// modified for pps invalid, 12/1/2009
+    if (ERR_NONE != iErr) { // modified for pps invalid, 12/1/2009
       if (pCtx->eErrorConMethod == ERROR_CON_DISABLE)
         pCtx->iErrorCode |= dsNoParamSets;
       else
@@ -633,7 +633,7 @@
       return iErr;
     }
 
-    pCtx->bPpsExistAheadFlag	= true;
+    pCtx->bPpsExistAheadFlag = true;
 
     break;
 
@@ -667,7 +667,7 @@
       WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //MMCO_base
       const uint32_t kuiMmco = uiCode;
 
-      pRefBasePicMarking->mmco_base[iIdx].uiMmcoType	= kuiMmco;
+      pRefBasePicMarking->mmco_base[iIdx].uiMmcoType = kuiMmco;
 
       if (kuiMmco == MMCO_END)
         break;
@@ -674,11 +674,11 @@
 
       if (kuiMmco == MMCO_SHORT2UNUSED) {
         WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //difference_of_base_pic_nums_minus1
-        pRefBasePicMarking->mmco_base[iIdx].uiDiffOfPicNums	= 1 + uiCode;
-        pRefBasePicMarking->mmco_base[iIdx].iShortFrameNum	= 0;
+        pRefBasePicMarking->mmco_base[iIdx].uiDiffOfPicNums = 1 + uiCode;
+        pRefBasePicMarking->mmco_base[iIdx].iShortFrameNum  = 0;
       } else if (kuiMmco == MMCO_LONG2UNUSED) {
         WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //long_term_base_pic_num
-        pRefBasePicMarking->mmco_base[iIdx].uiLongTermPicNum	= uiCode;
+        pRefBasePicMarking->mmco_base[iIdx].uiLongTermPicNum = uiCode;
       }
       ++ iIdx;
     } while (iIdx < MAX_MMCO_COUNT);
@@ -694,7 +694,7 @@
     PNalUnitHeaderExt head_ext = &pCurNal->sNalHeaderExt;
     PPrefixNalUnit sPrefixNal = &pCurNal->sNalData.sPrefixNal;
     WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //store_ref_base_pic_flag
-    sPrefixNal->bStoreRefBasePicFlag	= !!uiCode;
+    sPrefixNal->bStoreRefBasePicFlag = !!uiCode;
     if ((head_ext->bUseRefBasePicFlag || sPrefixNal->bStoreRefBasePicFlag) && !head_ext->bIdrFlag) {
       WELS_READ_VERIFY (ParseRefBasePicMarking (pBs, &sPrefixNal->sRefPicBaseMarking));
     }
@@ -702,7 +702,7 @@
     sPrefixNal->bPrefixNalUnitAdditionalExtFlag = !!uiCode;
     if (sPrefixNal->bPrefixNalUnitAdditionalExtFlag) {
       WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //additional_prefix_nal_unit_extension_data_flag
-      sPrefixNal->bPrefixNalUnitExtFlag	= !!uiCode;
+      sPrefixNal->bPrefixNalUnitExtFlag = !!uiCode;
     }
   }
   return ERR_NONE;
@@ -721,16 +721,16 @@
 
 
 int32_t DecodeSpsSvcExt (PWelsDecoderContext pCtx, PSubsetSps pSpsExt, PBitStringAux pBs) {
-  PSpsSvcExt  pExt			= NULL;
+  PSpsSvcExt  pExt = NULL;
   uint32_t uiCode;
   int32_t iCode;
 
-  pExt	= &pSpsExt->sSpsSvcExt;
+  pExt = &pSpsExt->sSpsSvcExt;
 
   WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //inter_layer_deblocking_filter_control_present_flag
-  pExt->bInterLayerDeblockingFilterCtrlPresentFlag	= !!uiCode;
+  pExt->bInterLayerDeblockingFilterCtrlPresentFlag = !!uiCode;
   WELS_READ_VERIFY (BsGetBits (pBs, 2, &uiCode)); //extended_spatial_scalability_idc
-  pExt->uiExtendedSpatialScalability						= uiCode;
+  pExt->uiExtendedSpatialScalability = uiCode;
   if (pExt->uiExtendedSpatialScalability > 2) {
     WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING,
              "DecodeSpsSvcExt():extended_spatial_scalability (%d) != 0, ESS not supported!",
@@ -738,36 +738,36 @@
     return GENERATE_ERROR_NO (ERR_LEVEL_PARAM_SETS, ERR_INFO_INVALID_ESS);
   }
 
-  pExt->uiChromaPhaseXPlus1Flag	=
-    0;	// FIXME: Incoherent with JVT X201 standard (= 1), but conformance to JSVM (= 0) implementation.
-  pExt->uiChromaPhaseYPlus1		= 1;
+  pExt->uiChromaPhaseXPlus1Flag =
+    0;  // FIXME: Incoherent with JVT X201 standard (= 1), but conformance to JSVM (= 0) implementation.
+  pExt->uiChromaPhaseYPlus1 = 1;
 
   WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //chroma_phase_x_plus1_flag
-  pExt->uiChromaPhaseXPlus1Flag	= uiCode;
+  pExt->uiChromaPhaseXPlus1Flag = uiCode;
   WELS_READ_VERIFY (BsGetBits (pBs, 2, &uiCode)); //chroma_phase_y_plus1
-  pExt->uiChromaPhaseYPlus1		= uiCode;
+  pExt->uiChromaPhaseYPlus1 = uiCode;
 
-  pExt->uiSeqRefLayerChromaPhaseXPlus1Flag	= pExt->uiChromaPhaseXPlus1Flag;
-  pExt->uiSeqRefLayerChromaPhaseYPlus1		= pExt->uiChromaPhaseYPlus1;
+  pExt->uiSeqRefLayerChromaPhaseXPlus1Flag = pExt->uiChromaPhaseXPlus1Flag;
+  pExt->uiSeqRefLayerChromaPhaseYPlus1     = pExt->uiChromaPhaseYPlus1;
   memset (&pExt->sSeqScaledRefLayer, 0, sizeof (SPosOffset));
 
   if (pExt->uiExtendedSpatialScalability == 1) {
     SPosOffset* const kpPos = &pExt->sSeqScaledRefLayer;
     WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //seq_ref_layer_chroma_phase_x_plus1_flag
-    pExt->uiSeqRefLayerChromaPhaseXPlus1Flag	= uiCode;
+    pExt->uiSeqRefLayerChromaPhaseXPlus1Flag = uiCode;
     WELS_READ_VERIFY (BsGetBits (pBs, 2, &uiCode)); //seq_ref_layer_chroma_phase_y_plus1
-    pExt->uiSeqRefLayerChromaPhaseYPlus1		= uiCode;
+    pExt->uiSeqRefLayerChromaPhaseYPlus1 = uiCode;
 
     WELS_READ_VERIFY (BsGetSe (pBs, &iCode)); //seq_scaled_ref_layer_left_offset
-    kpPos->iLeftOffset	= iCode;
+    kpPos->iLeftOffset = iCode;
     WELS_CHECK_SE_BOTH_WARNING (kpPos->iLeftOffset, SUBSET_SPS_SEQ_SCALED_REF_LAYER_LEFT_OFFSET_MIN,
                                 SUBSET_SPS_SEQ_SCALED_REF_LAYER_LEFT_OFFSET_MAX, "seq_scaled_ref_layer_left_offset");
     WELS_READ_VERIFY (BsGetSe (pBs, &iCode)); //seq_scaled_ref_layer_top_offset
-    kpPos->iTopOffset	= iCode;
+    kpPos->iTopOffset = iCode;
     WELS_CHECK_SE_BOTH_WARNING (kpPos->iTopOffset, SUBSET_SPS_SEQ_SCALED_REF_LAYER_TOP_OFFSET_MIN,
                                 SUBSET_SPS_SEQ_SCALED_REF_LAYER_TOP_OFFSET_MAX, "seq_scaled_ref_layer_top_offset");
     WELS_READ_VERIFY (BsGetSe (pBs, &iCode)); //seq_scaled_ref_layer_right_offset
-    kpPos->iRightOffset	= iCode;
+    kpPos->iRightOffset = iCode;
     WELS_CHECK_SE_BOTH_WARNING (kpPos->iRightOffset, SUBSET_SPS_SEQ_SCALED_REF_LAYER_RIGHT_OFFSET_MIN,
                                 SUBSET_SPS_SEQ_SCALED_REF_LAYER_RIGHT_OFFSET_MAX, "seq_scaled_ref_layer_right_offset");
     WELS_READ_VERIFY (BsGetSe (pBs, &iCode)); //seq_scaled_ref_layer_bottom_offset
@@ -777,14 +777,14 @@
   }
 
   WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //seq_tcoeff_level_prediction_flag
-  pExt->bSeqTCoeffLevelPredFlag	= !!uiCode;
-  pExt->bAdaptiveTCoeffLevelPredFlag	= false;
+  pExt->bSeqTCoeffLevelPredFlag = !!uiCode;
+  pExt->bAdaptiveTCoeffLevelPredFlag = false;
   if (pExt->bSeqTCoeffLevelPredFlag) {
     WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //adaptive_tcoeff_level_prediction_flag
-    pExt->bAdaptiveTCoeffLevelPredFlag	= !!uiCode;
+    pExt->bAdaptiveTCoeffLevelPredFlag = !!uiCode;
   }
   WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //slice_header_restriction_flag
-  pExt->bSliceHeaderRestrictionFlag	= !!uiCode;
+  pExt->bSliceHeaderRestrictionFlag = !!uiCode;
 
 
 
@@ -903,10 +903,10 @@
 
 int32_t ParseSps (PWelsDecoderContext pCtx, PBitStringAux pBsAux, int32_t* pPicWidth, int32_t* pPicHeight,
                   uint8_t* pSrcNal, const int32_t kSrcNalLen) {
-  PBitStringAux pBs		= pBsAux;
+  PBitStringAux pBs = pBsAux;
   SSubsetSps sTempSubsetSps;
-  PSps pSps				= NULL;
-  PSubsetSps pSubsetSps	= NULL;
+  PSps pSps = NULL;
+  PSubsetSps pSubsetSps = NULL;
   SNalUnitHeader* pNalHead = &pCtx->sCurNalHead;
   ProfileIdc uiProfileIdc;
   uint8_t uiLevelIdc;
@@ -917,28 +917,28 @@
   const bool kbUseSubsetFlag   = IS_SUBSET_SPS_NAL (pNalHead->eNalUnitType);
 
   WELS_READ_VERIFY (BsGetBits (pBs, 8, &uiCode)); //profile_idc
-  uiProfileIdc	= uiCode;
+  uiProfileIdc = uiCode;
   WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //constraint_set0_flag
-  bConstraintSetFlags[0]	= !!uiCode;
+  bConstraintSetFlags[0] = !!uiCode;
   WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //constraint_set1_flag
-  bConstraintSetFlags[1]	= !!uiCode;
+  bConstraintSetFlags[1] = !!uiCode;
   WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //constraint_set2_flag
-  bConstraintSetFlags[2]	= !!uiCode;
+  bConstraintSetFlags[2] = !!uiCode;
   WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //constraint_set3_flag
-  bConstraintSetFlags[3]	= !!uiCode;
+  bConstraintSetFlags[3] = !!uiCode;
   WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //constraint_set4_flag
-  bConstraintSetFlags[4]	= !!uiCode;
+  bConstraintSetFlags[4] = !!uiCode;
   WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //constraint_set5_flag
-  bConstraintSetFlags[5]	= !!uiCode;
+  bConstraintSetFlags[5] = !!uiCode;
   WELS_READ_VERIFY (BsGetBits (pBs, 2, &uiCode)); // reserved_zero_2bits, equal to 0
   WELS_READ_VERIFY (BsGetBits (pBs, 8, &uiCode)); // level_idc
-  uiLevelIdc	= uiCode;
+  uiLevelIdc = uiCode;
   WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //seq_parameter_set_id
-  if (uiCode >= MAX_SPS_COUNT) {	// Modified to check invalid negative iSpsId, 12/1/2009
+  if (uiCode >= MAX_SPS_COUNT) { // Modified to check invalid negative iSpsId, 12/1/2009
     WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING, " iSpsId is out of range! \n");
     return GENERATE_ERROR_NO (ERR_LEVEL_PARAM_SETS, ERR_INFO_SPS_ID_OVERFLOW);
   }
-  iSpsId		= uiCode;
+  iSpsId = uiCode;
   pSubsetSps = &sTempSubsetSps;
   pSps = &sTempSubsetSps.sSps;
   memset (pSubsetSps, 0, sizeof (SSubsetSps));
@@ -948,11 +948,11 @@
     return GENERATE_ERROR_NO (ERR_LEVEL_PARAM_SETS, ERR_INFO_UNSUPPORTED_NON_BASELINE);
   } else pSps->pSLevelLimits = pSLevelLimits;
   // syntax elements in default
-  pSps->uiChromaFormatIdc	= 1;
+  pSps->uiChromaFormatIdc = 1;
 
-  pSps->uiProfileIdc	= uiProfileIdc;
-  pSps->uiLevelIdc	= uiLevelIdc;
-  pSps->iSpsId		= iSpsId;
+  pSps->uiProfileIdc = uiProfileIdc;
+  pSps->uiLevelIdc   = uiLevelIdc;
+  pSps->iSpsId       = iSpsId;
 
   if (PRO_SCALABLE_BASELINE == uiProfileIdc || PRO_SCALABLE_HIGH == uiProfileIdc ||
       PRO_HIGH == uiProfileIdc || PRO_HIGH10 == uiProfileIdc ||
@@ -978,7 +978,7 @@
       WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING, "ParseSps(): bit_depth_luma (%d) Only 8 bit supported.", 8 + uiCode);
       return GENERATE_ERROR_NO (ERR_LEVEL_PARAM_SETS, ERR_INFO_UNSUPPORTED_NON_BASELINE);
     }
-    pSps->uiBitDepthLuma		= 8;
+    pSps->uiBitDepthLuma = 8;
 
     WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //bit_depth_chroma_minus8
     if (uiCode != 0) {
@@ -985,12 +985,12 @@
       WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING, "ParseSps(): bit_depth_chroma (%d). Only 8 bit supported.", 8 + uiCode);
       return GENERATE_ERROR_NO (ERR_LEVEL_PARAM_SETS, ERR_INFO_UNSUPPORTED_NON_BASELINE);
     }
-    pSps->uiBitDepthChroma	= 8;
+    pSps->uiBitDepthChroma = 8;
 
     WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //qpprime_y_zero_transform_bypass_flag
-    pSps->bQpPrimeYZeroTransfBypassFlag	= !!uiCode;
+    pSps->bQpPrimeYZeroTransfBypassFlag = !!uiCode;
     WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //seq_scaling_matrix_present_flag
-    pSps->bSeqScalingMatrixPresentFlag	= !!uiCode;
+    pSps->bSeqScalingMatrixPresentFlag = !!uiCode;
 
     if (pSps->bSeqScalingMatrixPresentFlag) {
       WELS_READ_VERIFY (ParseScalingList (pSps, pBs, 0, pSps->bSeqScalingListPresentFlag, pSps->iScalingList4x4,
@@ -1000,9 +1000,9 @@
   WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //log2_max_frame_num_minus4
   WELS_CHECK_SE_UPPER_ERROR (uiCode, SPS_LOG2_MAX_FRAME_NUM_MINUS4_MAX, "log2_max_frame_num_minus4",
                              GENERATE_ERROR_NO (ERR_LEVEL_PARAM_SETS, ERR_INFO_INVALID_LOG2_MAX_FRAME_NUM_MINUS4));
-  pSps->uiLog2MaxFrameNum	= LOG2_MAX_FRAME_NUM_OFFSET + uiCode;
+  pSps->uiLog2MaxFrameNum = LOG2_MAX_FRAME_NUM_OFFSET + uiCode;
   WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //pic_order_cnt_type
-  pSps->uiPocType			= uiCode;
+  pSps->uiPocType = uiCode;
 
   if (0 == pSps->uiPocType) {
     WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //log2_max_pic_order_cnt_lsb_minus4
@@ -1009,24 +1009,24 @@
     // log2_max_pic_order_cnt_lsb_minus4 should be in range 0 to 12, inclusive. (sec. 7.4.3)
     WELS_CHECK_SE_UPPER_ERROR (uiCode, SPS_LOG2_MAX_PIC_ORDER_CNT_LSB_MINUS4_MAX, "log2_max_pic_order_cnt_lsb_minus4",
                                GENERATE_ERROR_NO (ERR_LEVEL_PARAM_SETS, ERR_INFO_INVALID_LOG2_MAX_PIC_ORDER_CNT_LSB_MINUS4));
-    pSps->iLog2MaxPocLsb	= LOG2_MAX_PIC_ORDER_CNT_LSB_OFFSET + uiCode;	// log2_max_pic_order_cnt_lsb_minus4
+    pSps->iLog2MaxPocLsb = LOG2_MAX_PIC_ORDER_CNT_LSB_OFFSET + uiCode; // log2_max_pic_order_cnt_lsb_minus4
 
   } else if (1 == pSps->uiPocType) {
     int32_t i;
     WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //delta_pic_order_always_zero_flag
-    pSps->bDeltaPicOrderAlwaysZeroFlag	= !!uiCode;
+    pSps->bDeltaPicOrderAlwaysZeroFlag = !!uiCode;
     WELS_READ_VERIFY (BsGetSe (pBs, &iCode)); //offset_for_non_ref_pic
-    pSps->iOffsetForNonRefPic			= iCode;
+    pSps->iOffsetForNonRefPic = iCode;
     WELS_READ_VERIFY (BsGetSe (pBs, &iCode)); //offset_for_top_to_bottom_field
-    pSps->iOffsetForTopToBottomField	= iCode;
+    pSps->iOffsetForTopToBottomField = iCode;
     WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //num_ref_frames_in_pic_order_cnt_cycle
     WELS_CHECK_SE_UPPER_ERROR (uiCode, SPS_NUM_REF_FRAMES_IN_PIC_ORDER_CNT_CYCLE_MAX,
                                "num_ref_frames_in_pic_order_cnt_cycle", GENERATE_ERROR_NO (ERR_LEVEL_PARAM_SETS,
                                    ERR_INFO_INVALID_NUM_REF_FRAME_IN_PIC_ORDER_CNT_CYCLE));
-    pSps->iNumRefFramesInPocCycle		= uiCode;
+    pSps->iNumRefFramesInPocCycle = uiCode;
     for (i = 0; i < pSps->iNumRefFramesInPocCycle; i++) {
       WELS_READ_VERIFY (BsGetSe (pBs, &iCode)); //offset_for_ref_frame[ i ]
-      pSps->iOffsetForRefFrame[ i ]	= iCode;
+      pSps->iOffsetForRefFrame[ i ] = iCode;
     }
   }
   if (pSps->uiPocType > 2) {
@@ -1035,11 +1035,11 @@
   }
 
   WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //max_num_ref_frames
-  pSps->iNumRefFrames	= uiCode;
+  pSps->iNumRefFrames = uiCode;
   WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //gaps_in_frame_num_value_allowed_flag
-  pSps->bGapsInFrameNumValueAllowedFlag	= !!uiCode;
+  pSps->bGapsInFrameNumValueAllowedFlag = !!uiCode;
   WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //pic_width_in_mbs_minus1
-  pSps->iMbWidth		= PIC_WIDTH_IN_MBS_OFFSET + uiCode;
+  pSps->iMbWidth = PIC_WIDTH_IN_MBS_OFFSET + uiCode;
   if (pSps->iMbWidth > MAX_MB_SIZE) {
     WelsLog (& (pCtx->sLogCtx), WELS_LOG_ERROR, "pic_width_in_mbs(%d) exceeds the maximum allowed!", pSps->iMbWidth);
     return  GENERATE_ERROR_NO (ERR_LEVEL_PARAM_SETS, ERR_INFO_INVALID_MAX_MB_SIZE);
@@ -1048,7 +1048,7 @@
     WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING, " the pic_width_in_mbs exceeds the level limits!");
   }
   WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //pic_height_in_map_units_minus1
-  pSps->iMbHeight		= PIC_HEIGHT_IN_MAP_UNITS_OFFSET + uiCode;
+  pSps->iMbHeight = PIC_HEIGHT_IN_MAP_UNITS_OFFSET + uiCode;
   if (pSps->iMbHeight > MAX_MB_SIZE) {
     WelsLog (& (pCtx->sLogCtx), WELS_LOG_ERROR, "pic_height_in_mbs(%d) exceeds the maximum allowed!", pSps->iMbHeight);
     return  GENERATE_ERROR_NO (ERR_LEVEL_PARAM_SETS, ERR_INFO_INVALID_MAX_MB_SIZE);
@@ -1060,7 +1060,7 @@
   if (uiTmp32 > (uint32_t)pSLevelLimits->uiMaxFS) {
     WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING, " the total count of mb exceeds the level limits!");
   }
-  pSps->uiTotalMbCount	= uiTmp32;
+  pSps->uiTotalMbCount = uiTmp32;
   WELS_CHECK_SE_UPPER_ERROR (pSps->iNumRefFrames, SPS_MAX_NUM_REF_FRAMES_MAX, "max_num_ref_frames",
                              GENERATE_ERROR_NO (ERR_LEVEL_PARAM_SETS, ERR_INFO_INVALID_MAX_NUM_REF_FRAMES));
   // here we check max_num_ref_frames
@@ -1072,7 +1072,7 @@
     WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING, " max_num_ref_frames exceeds level limits!");
   }
   WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //frame_mbs_only_flag
-  pSps->bFrameMbsOnlyFlag	= !!uiCode;
+  pSps->bFrameMbsOnlyFlag = !!uiCode;
   if (!pSps->bFrameMbsOnlyFlag) {
     WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING, "ParseSps(): frame_mbs_only_flag (%d) not supported.",
              pSps->bFrameMbsOnlyFlag);
@@ -1079,34 +1079,34 @@
     return GENERATE_ERROR_NO (ERR_LEVEL_PARAM_SETS, ERR_INFO_UNSUPPORTED_MBAFF);
   }
   WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //direct_8x8_inference_flag
-  pSps->bDirect8x8InferenceFlag	= !!uiCode;
+  pSps->bDirect8x8InferenceFlag = !!uiCode;
   WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //frame_cropping_flag
-  pSps->bFrameCroppingFlag		= !!uiCode;
+  pSps->bFrameCroppingFlag = !!uiCode;
   if (pSps->bFrameCroppingFlag) {
     WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //frame_crop_left_offset
-    pSps->sFrameCrop.iLeftOffset	= uiCode;
+    pSps->sFrameCrop.iLeftOffset = uiCode;
     WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //frame_crop_right_offset
-    pSps->sFrameCrop.iRightOffset	= uiCode;
+    pSps->sFrameCrop.iRightOffset = uiCode;
     if ((pSps->sFrameCrop.iLeftOffset + pSps->sFrameCrop.iRightOffset) > ((int32_t)pSps->iMbWidth * 16 / 2)) {
       WelsLog (& (pCtx->sLogCtx), WELS_LOG_ERROR, "frame_crop_left_offset + frame_crop_right_offset exceeds limits!");
       return GENERATE_ERROR_NO (ERR_LEVEL_PARAM_SETS, ERR_INFO_INVALID_CROPPING_DATA);
     }
     WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //frame_crop_top_offset
-    pSps->sFrameCrop.iTopOffset		= uiCode;
+    pSps->sFrameCrop.iTopOffset = uiCode;
     WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //frame_crop_bottom_offset
-    pSps->sFrameCrop.iBottomOffset	= uiCode;
+    pSps->sFrameCrop.iBottomOffset = uiCode;
     if ((pSps->sFrameCrop.iTopOffset + pSps->sFrameCrop.iBottomOffset) > ((int32_t)pSps->iMbHeight * 16 / 2)) {
       WelsLog (& (pCtx->sLogCtx), WELS_LOG_ERROR, "frame_crop_top_offset + frame_crop_right_offset exceeds limits!");
       return GENERATE_ERROR_NO (ERR_LEVEL_PARAM_SETS, ERR_INFO_INVALID_CROPPING_DATA);
     }
   } else {
-    pSps->sFrameCrop.iLeftOffset	= 0;				// frame_crop_left_offset
-    pSps->sFrameCrop.iRightOffset	= 0;				// frame_crop_right_offset
-    pSps->sFrameCrop.iTopOffset		= 0;				// frame_crop_top_offset
-    pSps->sFrameCrop.iBottomOffset	= 0;				// frame_crop_bottom_offset
+    pSps->sFrameCrop.iLeftOffset   = 0; // frame_crop_left_offset
+    pSps->sFrameCrop.iRightOffset  = 0; // frame_crop_right_offset
+    pSps->sFrameCrop.iTopOffset    = 0; // frame_crop_top_offset
+    pSps->sFrameCrop.iBottomOffset = 0; // frame_crop_bottom_offset
   }
   WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //vui_parameters_present_flag
-  pSps->bVuiParamPresentFlag			= !!uiCode;
+  pSps->bVuiParamPresentFlag = !!uiCode;
 
   if (pCtx->bParseOnly) {
     if (kSrcNalLen >= SPS_PPS_BS_SIZE - 4) { //sps bs exceeds!
@@ -1206,10 +1206,10 @@
 
 
   if (PRO_SCALABLE_BASELINE == uiProfileIdc || PRO_SCALABLE_HIGH == uiProfileIdc)
-    pCtx->bAvcBasedFlag	= false;
+    pCtx->bAvcBasedFlag = false;
 
-  *pPicWidth	= pSps->iMbWidth << 4;
-  *pPicHeight	= pSps->iMbHeight << 4;
+  *pPicWidth  = pSps->iMbWidth << 4;
+  *pPicHeight = pSps->iMbHeight << 4;
   PSps pTmpSps = NULL;
   if (kbUseSubsetFlag) {
     pTmpSps = &pCtx->sSubsetSpsBuffer[iSpsId].sSps;
@@ -1251,12 +1251,12 @@
   // Not overwrite active sps, just copy to final place
   else if (kbUseSubsetFlag) {
     memcpy (&pCtx->sSubsetSpsBuffer[iSpsId], pSubsetSps, sizeof (SSubsetSps));
-    pCtx->bSubspsAvailFlags[iSpsId]	= true;
-    pCtx->bSubspsExistAheadFlag	= true;
+    pCtx->bSubspsAvailFlags[iSpsId] = true;
+    pCtx->bSubspsExistAheadFlag = true;
   } else {
     memcpy (&pCtx->sSpsBuffer[iSpsId], pSps, sizeof (SSps));
     pCtx->bSpsAvailFlags[iSpsId] = true;
-    pCtx->bSpsExistAheadFlag		= true;
+    pCtx->bSpsExistAheadFlag = true;
   }
   return 0;
 }
@@ -1451,7 +1451,7 @@
  * \note    Call it in case eNalUnitType is NAL_UNIT_SEI.
  *************************************************************************************
  */
-int32_t ParseSei (void* pSei, PBitStringAux pBsAux) {	// reserved Sei_Msg type
+int32_t ParseSei (void* pSei, PBitStringAux pBsAux) { // reserved Sei_Msg type
 
 
   return ERR_NONE;
@@ -1470,7 +1470,7 @@
  *************************************************************************************
  */
 int32_t SetScalingListValue (uint8_t* pScalingList, int iScalingListNum, bool* bUseDefaultScalingMatrixFlag,
-                             PBitStringAux pBsAux) {	// reserved Sei_Msg type
+                             PBitStringAux pBsAux) { // reserved Sei_Msg type
   int iLastScale = 8;
   int iNextScale = 8;
   int iDeltaScale;
@@ -1573,8 +1573,8 @@
   if (NULL != pCtx) {
     // Fixed memory leak due to PPS_ID might not be continuous sometimes, 1/5/2010
     UninitFmoList (&pCtx->sFmoList[0], MAX_PPS_COUNT, pCtx->iActiveFmoNum);
-    iCountNum	= pCtx->iActiveFmoNum;
-    pCtx->iActiveFmoNum	= 0;
+    iCountNum = pCtx->iActiveFmoNum;
+    pCtx->iActiveFmoNum = 0;
   }
   return iCountNum;
 }
--- a/codec/decoder/core/src/bit_stream.cpp
+++ b/codec/decoder/core/src/bit_stream.cpp
@@ -74,9 +74,9 @@
   if (NULL == pTmp)
     return ERR_INFO_INVALID_ACCESS;
 
-  pBitString->pStartBuf   = pTmp;				// buffer to start position
-  pBitString->pEndBuf	    = pTmp + kiSizeBuf;	// buffer + length
-  pBitString->iBits	    = kiSize;				// count bits of overall bitstreaming inputindex;
+  pBitString->pStartBuf = pTmp;             // buffer to start position
+  pBitString->pEndBuf   = pTmp + kiSizeBuf; // buffer + length
+  pBitString->iBits     = kiSize;           // count bits of overall bitstreaming inputindex;
   pBitString->pCurBuf   = pBitString->pStartBuf;
   int32_t iErr = InitReadBits (pBitString, 0);
   if (iErr) {
--- a/codec/decoder/core/src/deblocking.cpp
+++ b/codec/decoder/core/src/deblocking.cpp
@@ -815,7 +815,7 @@
 void WelsDeblockingMb (PDqLayer pCurDqLayer, PDeblockingFilter  pFilter, int32_t iBoundryFlag) {
   uint8_t nBS[2][4][4] = {{{ 0 }}};
 
-  int32_t iMbXyIndex	= pCurDqLayer->iMbXyIndex;
+  int32_t iMbXyIndex  = pCurDqLayer->iMbXyIndex;
   int32_t iCurMbType  = pCurDqLayer->pMbType[iMbXyIndex];
   int32_t iMbNb;
 
@@ -921,7 +921,7 @@
       } else {
         ++iNextMbXyIndex;
       }
-      if (-1 == iNextMbXyIndex || iNextMbXyIndex >= iTotalMbCount) {	// slice group boundary or end of a frame
+      if (-1 == iNextMbXyIndex || iNextMbXyIndex >= iTotalMbCount) { // slice group boundary or end of a frame
         break;
       }
 
--- a/codec/decoder/core/src/decode_mb_aux.cpp
+++ b/codec/decoder/core/src/decode_mb_aux.cpp
@@ -42,9 +42,9 @@
 void IdctResAddPred_c (uint8_t* pPred, const int32_t kiStride, int16_t* pRs) {
   int16_t iSrc[16];
 
-  uint8_t* pDst			= pPred;
-  const int32_t kiStride2	= kiStride << 1;
-  const int32_t kiStride3	= kiStride + kiStride2;
+  uint8_t* pDst           = pPred;
+  const int32_t kiStride2 = kiStride << 1;
+  const int32_t kiStride3 = kiStride + kiStride2;
   int32_t i;
 
   for (i = 0; i < 4; i++) {
@@ -61,16 +61,16 @@
   }
 
   for (i = 0; i < 4; i++) {
-    int32_t kT1	= iSrc[i]	+ iSrc[i + 8];
-    int32_t kT2	= iSrc[i + 4] + (iSrc[i + 12] >> 1);
-    int32_t kT3	= (32 + kT1 + kT2) >> 6;
-    int32_t kT4	= (32 + kT1 - kT2) >> 6;
+    int32_t kT1 = iSrc[i]     +  iSrc[i + 8];
+    int32_t kT2 = iSrc[i + 4] + (iSrc[i + 12] >> 1);
+    int32_t kT3 = (32 + kT1 + kT2) >> 6;
+    int32_t kT4 = (32 + kT1 - kT2) >> 6;
 
     pDst[i] = WelsClip1 (kT3 + pPred[i]);
     pDst[i + kiStride3] = WelsClip1 (kT4 + pPred[i + kiStride3]);
 
-    kT1	= iSrc[i] - iSrc[i + 8];
-    kT2	= (iSrc[i + 4] >> 1) - iSrc[i + 12];
+    kT1 = iSrc[i] - iSrc[i + 8];
+    kT2 = (iSrc[i + 4] >> 1) - iSrc[i + 12];
     pDst[i + kiStride] = WelsClip1 (((32 + kT1 + kT2) >> 6) + pDst[i + kiStride]);
     pDst[i + kiStride2] = WelsClip1 (((32 + kT1 - kT2) >> 6) + pDst[i + kiStride2]);
   }
@@ -157,7 +157,7 @@
     iRes[ (7 << 3) + i] = b[0] - b[7];
   }
 
-  uint8_t* pDst			= pPred;
+  uint8_t* pDst = pPred;
   for (int i = 0; i < 8; i++) {
     for (int j = 0; j < 8; j++) {
       pDst[i * kiStride + j] = WelsClip1 (((32 + iRes[ (i << 3) + j]) >> 6) + pDst[i * kiStride + j]);
@@ -167,7 +167,7 @@
 }
 
 void GetI4LumaIChromaAddrTable (int32_t* pBlockOffset, const int32_t kiYStride, const int32_t kiUVStride) {
-  int32_t* pOffset	   = pBlockOffset;
+  int32_t* pOffset = pBlockOffset;
   int32_t i;
   const uint8_t kuiScan0 = g_kuiScan8[0];
 
--- a/codec/decoder/core/src/decode_slice.cpp
+++ b/codec/decoder/core/src/decode_slice.cpp
@@ -120,7 +120,7 @@
     } else {
       ++iNextMbXyIndex;
     }
-    if (-1 == iNextMbXyIndex || iNextMbXyIndex >= iTotalMbTargetLayer) {	// slice group boundary or end of a frame
+    if (-1 == iNextMbXyIndex || iNextMbXyIndex >= iTotalMbTargetLayer) { // slice group boundary or end of a frame
       break;
     }
     pCurLayer->iMbX  = iNextMbXyIndex % pCurLayer->iMbWidth;
@@ -155,8 +155,8 @@
   int32_t iMbXy = pCurLayer->iMbXyIndex;
   int32_t i, iIndex, iOffset;
 
-  WelsChromaDcIdct (pCurLayer->pScaledTCoeff[iMbXy] + 256);	// 256 = 16*16
-  WelsChromaDcIdct (pCurLayer->pScaledTCoeff[iMbXy] + 320);	// 320 = 16*16 + 16*4
+  WelsChromaDcIdct (pCurLayer->pScaledTCoeff[iMbXy] + 256);     // 256 = 16*16
+  WelsChromaDcIdct (pCurLayer->pScaledTCoeff[iMbXy] + 320);     // 320 = 16*16 + 16*4
 
   if (pCurLayer->pTransformSize8x8Flag[iMbXy]) {
     for (i = 0; i < 4; i++) {
@@ -227,7 +227,7 @@
     const int32_t kiX1 = kiOffset + kiXOffset[2];
     const int32_t kiX2 = STRIDE + kiOffset;
     const int32_t kiX3 = kiOffset + kiXOffset[3];
-    const int32_t kiI4 = i << 2;	// 4*i
+    const int32_t kiI4 = i << 2; // 4*i
     const int32_t kiZ0 = pBlk[kiOffset] + pBlk[kiX1];
     const int32_t kiZ1 = pBlk[kiOffset] - pBlk[kiX1];
     const int32_t kiZ2 = pBlk[kiX2] - pBlk[kiX3];
@@ -601,10 +601,10 @@
 }
 
 int32_t WelsDecodeMbCabacISliceBaseMode0 (PWelsDecoderContext pCtx, uint32_t& uiEosFlag) {
-  PDqLayer pCurLayer		 = pCtx->pCurDqLayer;
-  PBitStringAux pBsAux		 = pCurLayer->pBitStringAux;
-  PSlice pSlice			 = &pCurLayer->sLayerInfo.sSliceInLayer;
-  PSliceHeader pSliceHeader		 = &pSlice->sSliceHeaderExt.sSliceHeader;
+  PDqLayer pCurLayer             = pCtx->pCurDqLayer;
+  PBitStringAux pBsAux           = pCurLayer->pBitStringAux;
+  PSlice pSlice                  = &pCurLayer->sLayerInfo.sSliceInLayer;
+  PSliceHeader pSliceHeader      = &pSlice->sSliceHeaderExt.sSliceHeader;
   SWelsNeighAvail sNeighAvail;
   int32_t iScanIdxStart = pSlice->sSliceHeaderExt.uiScanIdxStart;
   int32_t iScanIdxEnd   = pSlice->sSliceHeaderExt.uiScanIdxEnd;
@@ -812,10 +812,10 @@
 }
 
 int32_t WelsDecodeMbCabacPSliceBaseMode0 (PWelsDecoderContext pCtx, PWelsNeighAvail pNeighAvail, uint32_t& uiEosFlag) {
-  PDqLayer pCurLayer		 = pCtx->pCurDqLayer;
-  PBitStringAux pBsAux		 = pCurLayer->pBitStringAux;
-  PSlice pSlice			 = &pCurLayer->sLayerInfo.sSliceInLayer;
-  PSliceHeader pSliceHeader		 = &pSlice->sSliceHeaderExt.sSliceHeader;
+  PDqLayer pCurLayer             = pCtx->pCurDqLayer;
+  PBitStringAux pBsAux           = pCurLayer->pBitStringAux;
+  PSlice pSlice                  = &pCurLayer->sLayerInfo.sSliceInLayer;
+  PSliceHeader pSliceHeader      = &pSlice->sSliceHeaderExt.sSliceHeader;
 
   int32_t iScanIdxStart = pSlice->sSliceHeaderExt.uiScanIdxStart;
   int32_t iScanIdxEnd   = pSlice->sSliceHeaderExt.uiScanIdxEnd;
@@ -1048,9 +1048,9 @@
 }
 
 int32_t WelsDecodeMbCabacPSlice (PWelsDecoderContext pCtx, PNalUnit pNalCur, uint32_t& uiEosFlag) {
-  PDqLayer pCurLayer		 = pCtx->pCurDqLayer;
-  PSlice pSlice			 = &pCurLayer->sLayerInfo.sSliceInLayer;
-  PSliceHeader pSliceHeader		 = &pSlice->sSliceHeaderExt.sSliceHeader;
+  PDqLayer pCurLayer             = pCtx->pCurDqLayer;
+  PSlice pSlice                  = &pCurLayer->sLayerInfo.sSliceInLayer;
+  PSliceHeader pSliceHeader      = &pSlice->sSliceHeaderExt.sSliceHeader;
   PPicture* ppRefPic = pCtx->sRefPic.pRefList[LIST_0];
   uint32_t uiCode;
   int32_t iMbXy = pCurLayer->iMbXyIndex;
@@ -1227,7 +1227,7 @@
   pCurLayer->iMbXyIndex = iNextMbXyIndex;
 
   do {
-    if ((-1 == iNextMbXyIndex) || (iNextMbXyIndex >= kiCountNumMb)) {	// slice group boundary or end of a frame
+    if ((-1 == iNextMbXyIndex) || (iNextMbXyIndex >= kiCountNumMb)) { // slice group boundary or end of a frame
       break;
     }
 
@@ -1260,10 +1260,10 @@
 
 int32_t WelsActualDecodeMbCavlcISlice (PWelsDecoderContext pCtx) {
   SVlcTable* pVlcTable     = &pCtx->sVlcTable;
-  PDqLayer pCurLayer		 = pCtx->pCurDqLayer;
-  PBitStringAux pBs		 = pCurLayer->pBitStringAux;
-  PSlice pSlice			 = &pCurLayer->sLayerInfo.sSliceInLayer;
-  PSliceHeader pSliceHeader		     = &pSlice->sSliceHeaderExt.sSliceHeader;
+  PDqLayer pCurLayer             = pCtx->pCurDqLayer;
+  PBitStringAux pBs              = pCurLayer->pBitStringAux;
+  PSlice pSlice                  = &pCurLayer->sLayerInfo.sSliceInLayer;
+  PSliceHeader pSliceHeader      = &pSlice->sSliceHeaderExt.sSliceHeader;
 
   SWelsNeighAvail sNeighAvail;
   int32_t iMbResProperty;
@@ -1564,7 +1564,7 @@
   // check whether there is left bits to read next time in case multiple slices
   iUsedBits = ((pBs->pCurBuf - pBs->pStartBuf) << 3) - (16 - pBs->iLeftBits);
   // sub 1, for stop bit
-  if ((iUsedBits == (pBs->iBits - 1)) && (0 >= pCurLayer->sLayerInfo.sSliceInLayer.iMbSkipRun)) {	// slice boundary
+  if ((iUsedBits == (pBs->iBits - 1)) && (0 >= pCurLayer->sLayerInfo.sSliceInLayer.iMbSkipRun)) { // slice boundary
     uiEosFlag = 1;
   }
   if (iUsedBits > (pBs->iBits -
@@ -1579,10 +1579,10 @@
 
 int32_t WelsActualDecodeMbCavlcPSlice (PWelsDecoderContext pCtx) {
   SVlcTable* pVlcTable     = &pCtx->sVlcTable;
-  PDqLayer pCurLayer		 = pCtx->pCurDqLayer;
-  PBitStringAux pBs		 = pCurLayer->pBitStringAux;
-  PSlice pSlice			 = &pCurLayer->sLayerInfo.sSliceInLayer;
-  PSliceHeader pSliceHeader		     = &pSlice->sSliceHeaderExt.sSliceHeader;
+  PDqLayer pCurLayer             = pCtx->pCurDqLayer;
+  PBitStringAux pBs              = pCurLayer->pBitStringAux;
+  PSlice pSlice                  = &pCurLayer->sLayerInfo.sSliceInLayer;
+  PSliceHeader pSliceHeader      = &pSlice->sSliceHeaderExt.sSliceHeader;
 
   int32_t iScanIdxStart = pSlice->sSliceHeaderExt.uiScanIdxStart;
   int32_t iScanIdxEnd   = pSlice->sSliceHeaderExt.uiScanIdxEnd;
@@ -1909,10 +1909,10 @@
 }
 
 int32_t WelsDecodeMbCavlcPSlice (PWelsDecoderContext pCtx, PNalUnit pNalCur, uint32_t& uiEosFlag) {
-  PDqLayer pCurLayer		 = pCtx->pCurDqLayer;
-  PBitStringAux pBs		 = pCurLayer->pBitStringAux;
-  PSlice pSlice			 = &pCurLayer->sLayerInfo.sSliceInLayer;
-  PSliceHeader pSliceHeader		    = &pSlice->sSliceHeaderExt.sSliceHeader;
+  PDqLayer pCurLayer             = pCtx->pCurDqLayer;
+  PBitStringAux pBs              = pCurLayer->pBitStringAux;
+  PSlice pSlice                  = &pCurLayer->sLayerInfo.sSliceInLayer;
+  PSliceHeader pSliceHeader      = &pSlice->sSliceHeaderExt.sSliceHeader;
   PPicture* ppRefPic = pCtx->sRefPic.pRefList[LIST_0];
   intX_t iUsedBits;
   const int32_t iMbXy = pCurLayer->iMbXyIndex;
@@ -1987,7 +1987,7 @@
   // check whether there is left bits to read next time in case multiple slices
   iUsedBits = ((pBs->pCurBuf - pBs->pStartBuf) << 3) - (16 - pBs->iLeftBits);
   // sub 1, for stop bit
-  if ((iUsedBits == (pBs->iBits - 1)) && (0 >= pCurLayer->sLayerInfo.sSliceInLayer.iMbSkipRun)) {	// slice boundary
+  if ((iUsedBits == (pBs->iBits - 1)) && (0 >= pCurLayer->sLayerInfo.sSliceInLayer.iMbSkipRun)) { // slice boundary
     uiEosFlag = 1;
   }
   if (iUsedBits > (pBs->iBits -
--- a/codec/decoder/core/src/decoder.cpp
+++ b/codec/decoder/core/src/decoder.cpp
@@ -67,7 +67,7 @@
     return 1;
   }
 
-  pPicBuf	= (PPicBuff)WelsMallocz (sizeof (SPicBuff), "PPicBuff");
+  pPicBuf = (PPicBuff)WelsMallocz (sizeof (SPicBuff), "PPicBuff");
 
   if (NULL == pPicBuf) {
     return 1;
@@ -93,9 +93,9 @@
   }
 
 // initialize context in queue
-  pPicBuf->iCapacity	 = kiSize;
+  pPicBuf->iCapacity   = kiSize;
   pPicBuf->iCurrentIdx = 0;
-  * ppPicBuf			 = pPicBuf;
+  * ppPicBuf           = pPicBuf;
 
   return 0;
 }
@@ -109,7 +109,7 @@
     return 1;
   }
 
-  pPicNewBuf	= (PPicBuff)WelsMallocz (sizeof (SPicBuff), "PPicBuff");
+  pPicNewBuf = (PPicBuff)WelsMallocz (sizeof (SPicBuff), "PPicBuff");
 
   if (NULL == pPicNewBuf) {
     return 1;
@@ -139,9 +139,9 @@
   memcpy (pPicNewBuf->ppPic, pPicOldBuf->ppPic, kiOldSize * sizeof (PPicture));
 
 // initialize context in queue
-  pPicNewBuf->iCapacity	 = kiNewSize;
+  pPicNewBuf->iCapacity   = kiNewSize;
   pPicNewBuf->iCurrentIdx = pPicOldBuf->iCurrentIdx;
-  * ppPicBuf			 = pPicNewBuf;
+  * ppPicBuf              = pPicNewBuf;
 
   for (int32_t i = 0; i < pPicNewBuf->iCapacity; i++) {
     pPicNewBuf->ppPic[i]->bUsedAsRef = false;
@@ -153,9 +153,9 @@
 // remove old PicBuf
   if (pPicOldBuf->ppPic != NULL) {
     WelsFree (pPicOldBuf->ppPic, "pPicOldBuf->queue");
-    pPicOldBuf->ppPic	= NULL;
+    pPicOldBuf->ppPic = NULL;
   }
-  pPicOldBuf->iCapacity	= 0;
+  pPicOldBuf->iCapacity = 0;
   pPicOldBuf->iCurrentIdx = 0;
   WelsFree (pPicOldBuf, "pPicOldBuf");
   pPicOldBuf = NULL;
@@ -171,7 +171,7 @@
     return 1;
   }
 
-  pPicNewBuf	= (PPicBuff)WelsMallocz (sizeof (SPicBuff), "PPicBuff");
+  pPicNewBuf = (PPicBuff)WelsMallocz (sizeof (SPicBuff), "PPicBuff");
 
   if (NULL == pPicNewBuf) {
     return 1;
@@ -180,7 +180,7 @@
   pPicNewBuf->ppPic = (PPicture*)WelsMallocz (kiNewSize * sizeof (PPicture), "PPicture*");
 
   if (NULL == pPicNewBuf->ppPic) {
-    pPicNewBuf->iCapacity	 = 0;
+    pPicNewBuf->iCapacity = 0;
     DestroyPicBuff (&pPicNewBuf);
     return 1;
   }
@@ -214,8 +214,8 @@
   }
 
   // initialize context in queue
-  pPicNewBuf->iCapacity	 = kiNewSize;
-  *ppPicBuf			 = pPicNewBuf;
+  pPicNewBuf->iCapacity = kiNewSize;
+  *ppPicBuf             = pPicNewBuf;
 
   for (int32_t i = 0; i < pPicNewBuf->iCapacity; i++) {
     pPicNewBuf->ppPic[i]->bUsedAsRef = false;
@@ -227,9 +227,9 @@
   // remove old PicBuf
   if (pPicOldBuf->ppPic != NULL) {
     WelsFree (pPicOldBuf->ppPic, "pPicOldBuf->queue");
-    pPicOldBuf->ppPic	= NULL;
+    pPicOldBuf->ppPic = NULL;
   }
-  pPicOldBuf->iCapacity	= 0;
+  pPicOldBuf->iCapacity = 0;
   pPicOldBuf->iCurrentIdx = 0;
   WelsFree (pPicOldBuf, "pPicOldBuf");
   pPicOldBuf = NULL;
@@ -257,9 +257,9 @@
 
     WelsFree (pPicBuf->ppPic, "pPicBuf->queue");
 
-    pPicBuf->ppPic	= NULL;
+    pPicBuf->ppPic = NULL;
   }
-  pPicBuf->iCapacity	= 0;
+  pPicBuf->iCapacity = 0;
   pPicBuf->iCurrentIdx = 0;
 
   WelsFree (pPicBuf, "pPicBuf");
@@ -272,40 +272,40 @@
  */
 void WelsDecoderDefaults (PWelsDecoderContext pCtx, SLogContext* pLogCtx) {
   int32_t iCpuCores               = 1;
-  memset (pCtx, 0, sizeof (SWelsDecoderContext));	// fill zero first
+  memset (pCtx, 0, sizeof (SWelsDecoderContext));       // fill zero first
   pCtx->sLogCtx = *pLogCtx;
 
   pCtx->pArgDec                   = NULL;
 
-  pCtx->eOutputColorFormat		= videoFormatI420;	// yuv in default
-  pCtx->bHaveGotMemory			= false;	// not ever request memory blocks for decoder context related
-  pCtx->uiCpuFlag					= 0;
+  pCtx->eOutputColorFormat        = videoFormatI420;    // yuv in default
+  pCtx->bHaveGotMemory            = false;              // not ever request memory blocks for decoder context related
+  pCtx->uiCpuFlag                 = 0;
 
-  pCtx->bAuReadyFlag				= 0; // au data is not ready
+  pCtx->bAuReadyFlag              = 0;                  // au data is not ready
   pCtx->bCabacInited = false;
 
   pCtx->uiCpuFlag = WelsCPUFeatureDetect (&iCpuCores);
 
-  pCtx->iImgWidthInPixel		= 0;
-  pCtx->iImgHeightInPixel		= 0;		// alloc picture data when picture size is available
-  pCtx->iLastImgWidthInPixel		= 0;
-  pCtx->iLastImgHeightInPixel		= 0;
+  pCtx->iImgWidthInPixel          = 0;
+  pCtx->iImgHeightInPixel         = 0;                  // alloc picture data when picture size is available
+  pCtx->iLastImgWidthInPixel      = 0;
+  pCtx->iLastImgHeightInPixel     = 0;
   pCtx->bFreezeOutput = true;
 
-  pCtx->iFrameNum				= -1;
-  pCtx->iPrevFrameNum			= -1;
-  pCtx->iErrorCode			= ERR_NONE;
+  pCtx->iFrameNum                 = -1;
+  pCtx->iPrevFrameNum             = -1;
+  pCtx->iErrorCode                = ERR_NONE;
 
-  pCtx->pDec					= NULL;
+  pCtx->pDec                      = NULL;
 
   WelsResetRefPic (pCtx);
 
-  pCtx->iActiveFmoNum			= 0;
+  pCtx->iActiveFmoNum             = 0;
 
-  pCtx->pPicBuff[LIST_0]		= NULL;
-  pCtx->pPicBuff[LIST_1]		= NULL;
+  pCtx->pPicBuff[LIST_0]          = NULL;
+  pCtx->pPicBuff[LIST_1]          = NULL;
 
-  pCtx->bAvcBasedFlag			= true;
+  pCtx->bAvcBasedFlag             = true;
   pCtx->eErrorConMethod = ERROR_CON_SLICE_MV_COPY_CROSS_IDR_FREEZE_RES_CHANGE;
   pCtx->pPreviousDecodedPictureInDpb = NULL;
   pCtx->sDecoderStatistics.iAvgLumaQp = -1;
@@ -331,7 +331,7 @@
  *  get size of reference picture list in target layer incoming, = (iNumRefFrames
  */
 static inline int32_t GetTargetRefListSize (PWelsDecoderContext pCtx) {
-  int32_t iNumRefFrames	= 0;
+  int32_t iNumRefFrames = 0;
   // +2 for EC MV Copy buffer exchange
   if ((pCtx == NULL) || (pCtx->pSps == NULL)) {
     iNumRefFrames = MAX_REF_PIC_COUNT + 2;
@@ -353,30 +353,30 @@
  *  request memory blocks for decoder avc part
  */
 int32_t WelsRequestMem (PWelsDecoderContext pCtx, const int32_t kiMbWidth, const int32_t kiMbHeight) {
-  const int32_t kiPicWidth	= kiMbWidth << 4;
-  const int32_t kiPicHeight	= kiMbHeight << 4;
+  const int32_t kiPicWidth      = kiMbWidth << 4;
+  const int32_t kiPicHeight     = kiMbHeight << 4;
   int32_t iErr = ERR_NONE;
 
-  int32_t iListIdx			= 0;	//, mb_blocks	= 0;
-  int32_t	iPicQueueSize		= 0;	// adaptive size of picture queue, = (pSps->iNumRefFrames x 2)
-  bool  bNeedChangePicQueue	= true;
+  int32_t iListIdx              = 0;    //, mb_blocks   = 0;
+  int32_t iPicQueueSize         = 0;    // adaptive size of picture queue, = (pSps->iNumRefFrames x 2)
+  bool  bNeedChangePicQueue     = true;
 
   WELS_VERIFY_RETURN_IF (ERR_INFO_INVALID_PARAM, (NULL == pCtx || kiPicWidth <= 0 || kiPicHeight <= 0))
 
   // Fixed the issue about different gop size over last, 5/17/2010
   // get picture queue size currently
-  iPicQueueSize	= GetTargetRefListSize (pCtx);	// adaptive size of picture queue, = (pSps->iNumRefFrames x 2)
+  iPicQueueSize = GetTargetRefListSize (pCtx);  // adaptive size of picture queue, = (pSps->iNumRefFrames x 2)
   pCtx->iPicQueueNumber = iPicQueueSize;
   if (pCtx->pPicBuff[LIST_0] != NULL
       && pCtx->pPicBuff[LIST_0]->iCapacity ==
-      iPicQueueSize)	// comparing current picture queue size requested and previous allocation picture queue
-    bNeedChangePicQueue	= false;
+      iPicQueueSize) // comparing current picture queue size requested and previous allocation picture queue
+    bNeedChangePicQueue = false;
   // HD based pic buffer need consider memory size consumed when switch from 720p to other lower size
   WELS_VERIFY_RETURN_IF (ERR_NONE, pCtx->bHaveGotMemory && (kiPicWidth == pCtx->iImgWidthInPixel
-                         && kiPicHeight == pCtx->iImgHeightInPixel) && (!bNeedChangePicQueue))	// have same scaled buffer
+                         && kiPicHeight == pCtx->iImgHeightInPixel) && (!bNeedChangePicQueue)) // have same scaled buffer
 
   // sync update pRefList
-  WelsResetRefPic (pCtx);	// added to sync update ref list due to pictures are free
+  WelsResetRefPic (pCtx); // added to sync update ref list due to pictures are free
 
   if (pCtx->bHaveGotMemory && (kiPicWidth == pCtx->iImgWidthInPixel && kiPicHeight == pCtx->iImgHeightInPixel)
       && pCtx->pPicBuff[LIST_0] != NULL && pCtx->pPicBuff[LIST_0]->iCapacity != iPicQueueSize) {
@@ -418,11 +418,11 @@
     return iErr;
 
 
-  pCtx->iImgWidthInPixel	= kiPicWidth;	// target width of image to be reconstruted while decoding
-  pCtx->iImgHeightInPixel	= kiPicHeight;	// target height of image to be reconstruted while decoding
+  pCtx->iImgWidthInPixel    = kiPicWidth;   // target width of image to be reconstruted while decoding
+  pCtx->iImgHeightInPixel   = kiPicHeight;  // target height of image to be reconstruted while decoding
 
-  pCtx->bHaveGotMemory	= true;			// global memory for decoder context related is requested
-  pCtx->pDec		        = NULL;			// need prefetch a new pic due to spatial size changed
+  pCtx->bHaveGotMemory      = true;         // global memory for decoder context related is requested
+  pCtx->pDec                = NULL;         // need prefetch a new pic due to spatial size changed
 
   if (pCtx->pCabacDecEngine == NULL)
     pCtx->pCabacDecEngine = (SWelsCabacDecEngine*) WelsMallocz (sizeof (SWelsCabacDecEngine), "pCtx->pCabacDecEngine");
@@ -450,12 +450,12 @@
   }
 
   // added for safe memory
-  pCtx->iImgWidthInPixel	= 0;
+  pCtx->iImgWidthInPixel  = 0;
   pCtx->iImgHeightInPixel = 0;
-  pCtx->iLastImgWidthInPixel	= 0;
+  pCtx->iLastImgWidthInPixel  = 0;
   pCtx->iLastImgHeightInPixel = 0;
   pCtx->bFreezeOutput = true;
-  pCtx->bHaveGotMemory	= false;
+  pCtx->bHaveGotMemory = false;
   WelsFree (pCtx->pCabacDecEngine, "pCtx->pCabacDecEngine");
 }
 
@@ -482,7 +482,7 @@
 #ifdef LONG_TERM_REF
   pCtx->bParamSetsLostFlag = true;
 #else
-  pCtx->bReferenceLostAtT0Flag	= true;	// should be true to waiting IDR at incoming AU bits following, 6/4/2010
+  pCtx->bReferenceLostAtT0Flag = true; // should be true to waiting IDR at incoming AU bits following, 6/4/2010
 #endif //LONG_TERM_REF
   pCtx->bNewSeqBegin = true;
   pCtx->bPrintFrameErrorTraceFlag = true;
@@ -517,13 +517,13 @@
   if (NULL == pCtx || NULL == kpParam)
     return 1;
 
-  pCtx->pParam	= (SDecodingParam*)WelsMallocz (sizeof (SDecodingParam), "SDecodingParam");
+  pCtx->pParam = (SDecodingParam*)WelsMallocz (sizeof (SDecodingParam), "SDecodingParam");
 
   if (NULL == pCtx->pParam)
     return 1;
 
   memcpy (pCtx->pParam, kpParam, sizeof (SDecodingParam));
-  pCtx->eOutputColorFormat	= pCtx->pParam->eOutputColorFormat;
+  pCtx->eOutputColorFormat = pCtx->pParam->eOutputColorFormat;
   if (!pCtx->bParseOnly) {
     int32_t iRet = DecoderSetCsp (pCtx, pCtx->pParam->eOutputColorFormat);
     if (iRet)
@@ -621,7 +621,7 @@
     int32_t iSrcIdx        = 0; //the index of source bit-stream till now after parsing one or more NALs
     int32_t iSrcConsumed   = 0; // consumed bit count of source bs
     int32_t iDstIdx        = 0; //the size of current NAL after 0x03 removal and 00 00 01 removal
-    int32_t iSrcLength     = 0;	//the total size of current AU or NAL
+    int32_t iSrcLength     = 0; //the total size of current AU or NAL
     int32_t iRet = 0;
     int32_t iConsumedBytes = 0;
     int32_t iOffset        = 0;
@@ -660,8 +660,8 @@
           ((pSrcNal[2 + iSrcIdx] == 0x03) || (pSrcNal[2 + iSrcIdx] == 0x01))) {
         if (pSrcNal[2 + iSrcIdx] == 0x03) {
           ST16 (pDstNal + iDstIdx, 0);
-          iDstIdx	+= 2;
-          iSrcIdx	+= 3;
+          iDstIdx      += 2;
+          iSrcIdx      += 3;
           iSrcConsumed += 3;
         } else {
 
@@ -668,7 +668,7 @@
           iConsumedBytes = 0;
           pDstNal[iDstIdx] = pDstNal[iDstIdx + 1] = pDstNal[iDstIdx + 2] = pDstNal[iDstIdx + 3] =
                                0; // set 4 reserved bytes to zero
-          pNalPayload	= ParseNalHeader (pCtx, &pCtx->sCurNalHead, pDstNal, iDstIdx, pSrcNal - 3, iSrcIdx + 3, &iConsumedBytes);
+          pNalPayload = ParseNalHeader (pCtx, &pCtx->sCurNalHead, pDstNal, iDstIdx, pSrcNal - 3, iSrcIdx + 3, &iConsumedBytes);
           if (pNalPayload) { //parse correct
             if (IS_PARAM_SETS_NALS (pCtx->sCurNalHead.eNalUnitType)) {
               iRet = ParseNonVclNal (pCtx, pNalPayload, iDstIdx - iConsumedBytes, pSrcNal - 3, iSrcIdx + 3);
@@ -758,8 +758,8 @@
       return pCtx->iErrorCode;
     }
   } else { /* no supplementary picture payload input, but stored a picture */
-    PAccessUnit pCurAu	=
-      pCtx->pAccessUnitList;	// current access unit, it will never point to NULL after decode's successful initialization
+    PAccessUnit pCurAu =
+      pCtx->pAccessUnitList; // current access unit, it will never point to NULL after decode's successful initialization
 
     if (pCurAu->uiAvailUnitsNum == 0) {
       return pCtx->iErrorCode;
@@ -789,9 +789,9 @@
 int32_t DecoderSetCsp (PWelsDecoderContext pCtx, const int32_t kiColorFormat) {
   WELS_VERIFY_RETURN_IF (1, (NULL == pCtx));
 
-  pCtx->eOutputColorFormat	= (EVideoFormatType) kiColorFormat;
+  pCtx->eOutputColorFormat = (EVideoFormatType) kiColorFormat;
   if (pCtx->pParam != NULL) {
-    pCtx->pParam->eOutputColorFormat	= (EVideoFormatType) kiColorFormat;
+    pCtx->pParam->eOutputColorFormat = (EVideoFormatType) kiColorFormat;
   }
 
   //For now, support only videoFormatI420!
@@ -817,10 +817,10 @@
  */
 int32_t SyncPictureResolutionExt (PWelsDecoderContext pCtx, const int32_t kiMbWidth, const int32_t kiMbHeight) {
   int32_t iErr = ERR_NONE;
-  const int32_t kiPicWidth	= kiMbWidth << 4;
+  const int32_t kiPicWidth    = kiMbWidth << 4;
   const int32_t kiPicHeight   = kiMbHeight << 4;
 
-  iErr = WelsRequestMem (pCtx, kiMbWidth, kiMbHeight);	// common memory used
+  iErr = WelsRequestMem (pCtx, kiMbWidth, kiMbHeight); // common memory used
   if (ERR_NONE != iErr) {
     WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING,
              "SyncPictureResolutionExt()::WelsRequestMem--buffer allocated failure.");
--- a/codec/decoder/core/src/decoder_core.cpp
+++ b/codec/decoder/core/src/decoder_core.cpp
@@ -60,7 +60,7 @@
 #ifdef LONG_TERM_REF
     pCtx->bParamSetsLostFlag      = false;
 #else
-    pCtx->bReferenceLostAtT0Flag = false;	// need initialize it due new seq, 6/4/2010
+    pCtx->bReferenceLostAtT0Flag = false; // need initialize it due new seq, 6/4/2010
 #endif //LONG_TERM_REF
     if (pCtx->iTotalNumMbRec == kiTotalNumMbInCurLayer) {
       pCtx->bPrintFrameErrorTraceFlag = true;
@@ -329,7 +329,7 @@
   // Common syntaxs for P or B slices: list0, list1 followed if B slices used.
   do {
     WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //ref_pic_list_modification_flag_l0
-    pRefPicListReordering->bRefPicListReorderingFlag[iList]	= !!uiCode;
+    pRefPicListReordering->bRefPicListReorderingFlag[iList] = !!uiCode;
 
     if (pRefPicListReordering->bRefPicListReorderingFlag[iList]) {
       int32_t iIdx = 0;
@@ -341,7 +341,7 @@
         if ((iIdx >= MAX_REF_PIC_COUNT) || (kuiIdc > 3)) {
           return GENERATE_ERROR_NO (ERR_LEVEL_SLICE_HEADER, ERR_INFO_INVALID_REF_REORDERING);
         }
-        pRefPicListReordering->sReorderingSyn[iList][iIdx].uiReorderingOfPicNumsIdc	= kuiIdc;
+        pRefPicListReordering->sReorderingSyn[iList][iIdx].uiReorderingOfPicNumsIdc = kuiIdc;
         if (kuiIdc == 3)
           break;
 
@@ -354,7 +354,7 @@
           WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //abs_diff_pic_num_minus1
           WELS_CHECK_SE_UPPER_ERROR_NOLOG (uiCode, (uint32_t) (1 << pSps->uiLog2MaxFrameNum), "abs_diff_pic_num_minus1",
                                            GENERATE_ERROR_NO (ERR_LEVEL_SLICE_HEADER, ERR_INFO_INVALID_REF_REORDERING));
-          pRefPicListReordering->sReorderingSyn[iList][iIdx].uiAbsDiffPicNumMinus1 = uiCode;	// uiAbsDiffPicNumMinus1
+          pRefPicListReordering->sReorderingSyn[iList][iIdx].uiAbsDiffPicNumMinus1 = uiCode; // uiAbsDiffPicNumMinus1
         } else if (kuiIdc == 2) {
           WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //long_term_pic_num
           pRefPicListReordering->sReorderingSyn[iList][iIdx].uiLongTermPicNum = uiCode;
@@ -377,12 +377,12 @@
   uint32_t uiCode;
   if (kbIdrFlag) {
     WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //no_output_of_prior_pics_flag
-    kpRefMarking->bNoOutputOfPriorPicsFlag	= !!uiCode;
+    kpRefMarking->bNoOutputOfPriorPicsFlag = !!uiCode;
     WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //long_term_reference_flag
-    kpRefMarking->bLongTermRefFlag			= !!uiCode;
+    kpRefMarking->bLongTermRefFlag = !!uiCode;
   } else {
     WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //adaptive_ref_pic_marking_mode_flag
-    kpRefMarking->bAdaptiveRefPicMarkingModeFlag	= !!uiCode;
+    kpRefMarking->bAdaptiveRefPicMarkingModeFlag = !!uiCode;
     if (kpRefMarking->bAdaptiveRefPicMarkingModeFlag) {
       int32_t iIdx = 0;
       do {
@@ -423,31 +423,31 @@
     return false;
 
   if (pNalExt->iNoInterLayerPredFlag || pNalExt->uiQualityId > 0)
-    pShExt->bBasePredWeightTableFlag	= false;
+    pShExt->bBasePredWeightTableFlag = false;
   else
-    pShExt->bBasePredWeightTableFlag	= true;
+    pShExt->bBasePredWeightTableFlag = true;
   pShExt->uiRefLayerDqId = (uint8_t) - 1;
-  pShExt->uiDisableInterLayerDeblockingFilterIdc	= 0;
-  pShExt->iInterLayerSliceAlphaC0Offset			= 0;
-  pShExt->iInterLayerSliceBetaOffset				= 0;
-  pShExt->bConstrainedIntraResamplingFlag			= false;
-  pShExt->uiRefLayerChromaPhaseXPlus1Flag			= 0;
-  pShExt->uiRefLayerChromaPhaseYPlus1				= 1;
+  pShExt->uiDisableInterLayerDeblockingFilterIdc        = 0;
+  pShExt->iInterLayerSliceAlphaC0Offset                 = 0;
+  pShExt->iInterLayerSliceBetaOffset                    = 0;
+  pShExt->bConstrainedIntraResamplingFlag               = false;
+  pShExt->uiRefLayerChromaPhaseXPlus1Flag               = 0;
+  pShExt->uiRefLayerChromaPhaseYPlus1                   = 1;
   //memset(&pShExt->sScaledRefLayer, 0, sizeof(SPosOffset));
 
-  pShExt->iScaledRefLayerPicWidthInSampleLuma	= pShExt->sSliceHeader.iMbWidth << 4;
-  pShExt->iScaledRefLayerPicHeightInSampleLuma	= pShExt->sSliceHeader.iMbHeight << 4;
+  pShExt->iScaledRefLayerPicWidthInSampleLuma   = pShExt->sSliceHeader.iMbWidth << 4;
+  pShExt->iScaledRefLayerPicHeightInSampleLuma  = pShExt->sSliceHeader.iMbHeight << 4;
 
-  pShExt->bSliceSkipFlag	= false;
-  pShExt->bAdaptiveBaseModeFlag	= false;
-  pShExt->bDefaultBaseModeFlag	= false;
-  pShExt->bAdaptiveMotionPredFlag	= false;
-  pShExt->bDefaultMotionPredFlag	= false;
-  pShExt->bAdaptiveResidualPredFlag	= false;
-  pShExt->bDefaultResidualPredFlag	= false;
-  pShExt->bTCoeffLevelPredFlag		= false;
-  pShExt->uiScanIdxStart				= 0;
-  pShExt->uiScanIdxEnd				= 15;
+  pShExt->bSliceSkipFlag                = false;
+  pShExt->bAdaptiveBaseModeFlag         = false;
+  pShExt->bDefaultBaseModeFlag          = false;
+  pShExt->bAdaptiveMotionPredFlag       = false;
+  pShExt->bDefaultMotionPredFlag        = false;
+  pShExt->bAdaptiveResidualPredFlag     = false;
+  pShExt->bDefaultResidualPredFlag      = false;
+  pShExt->bTCoeffLevelPredFlag          = false;
+  pShExt->uiScanIdxStart                = 0;
+  pShExt->uiScanIdxEnd                  = 15;
 
   return true;
 }
@@ -551,8 +551,8 @@
   if (InitBsBuffer (pCtx) != 0)
     return ERR_INFO_OUT_OF_MEMORY;
 
-  pCtx->uiTargetDqId			= (uint8_t) - 1;
-  pCtx->bEndOfStreamFlag	= false;
+  pCtx->uiTargetDqId            = (uint8_t) - 1;
+  pCtx->bEndOfStreamFlag        = false;
 
   return ERR_NONE;
 }
@@ -579,8 +579,8 @@
   }
   pCtx->sRawData.pHead                = NULL;
   pCtx->sRawData.pEnd                 = NULL;
-  pCtx->sRawData.pStartPos	        = NULL;
-  pCtx->sRawData.pCurPos             = NULL;
+  pCtx->sRawData.pStartPos            = NULL;
+  pCtx->sRawData.pCurPos              = NULL;
   if (pCtx->bParseOnly) {
     if (pCtx->sSavedData.pHead) {
       WelsFree (pCtx->sSavedData.pHead, "pCtx->sSavedData->pHead");
@@ -587,7 +587,7 @@
     }
     pCtx->sSavedData.pHead                = NULL;
     pCtx->sSavedData.pEnd                 = NULL;
-    pCtx->sSavedData.pStartPos	        = NULL;
+    pCtx->sSavedData.pStartPos            = NULL;
     pCtx->sSavedData.pCurPos              = NULL;
     if (pCtx->pParserBsInfo) {
       if (pCtx->pParserBsInfo->pDstBuff) {
@@ -610,20 +610,20 @@
   PNalUnitHeaderExt pHeaderExt = &pNal->sNalHeaderExt;
 
   uint8_t uiCurByte = *pSrc;
-  pHeaderExt->bIdrFlag				 = !! (uiCurByte & 0x40);
-  pHeaderExt->uiPriorityId			 = uiCurByte & 0x3F;
+  pHeaderExt->bIdrFlag              = !! (uiCurByte & 0x40);
+  pHeaderExt->uiPriorityId          = uiCurByte & 0x3F;
 
   uiCurByte = * (++pSrc);
   pHeaderExt->iNoInterLayerPredFlag = uiCurByte >> 7;
-  pHeaderExt->uiDependencyId			 = (uiCurByte & 0x70) >> 4;
-  pHeaderExt->uiQualityId				 = uiCurByte & 0x0F;
+  pHeaderExt->uiDependencyId        = (uiCurByte & 0x70) >> 4;
+  pHeaderExt->uiQualityId           = uiCurByte & 0x0F;
   uiCurByte = * (++pSrc);
-  pHeaderExt->uiTemporalId			 = uiCurByte >> 5;
-  pHeaderExt->bUseRefBasePicFlag	     = !! (uiCurByte & 0x10);
-  pHeaderExt->bDiscardableFlag		 = !! (uiCurByte & 0x08);
-  pHeaderExt->bOutputFlag				 = !! (uiCurByte & 0x04);
-  pHeaderExt->uiReservedThree2Bits	 = uiCurByte & 0x03;
-  pHeaderExt->uiLayerDqId				 = (pHeaderExt->uiDependencyId << 4) | pHeaderExt->uiQualityId;
+  pHeaderExt->uiTemporalId          = uiCurByte >> 5;
+  pHeaderExt->bUseRefBasePicFlag    = !! (uiCurByte & 0x10);
+  pHeaderExt->bDiscardableFlag      = !! (uiCurByte & 0x08);
+  pHeaderExt->bOutputFlag           = !! (uiCurByte & 0x04);
+  pHeaderExt->uiReservedThree2Bits  = uiCurByte & 0x03;
+  pHeaderExt->uiLayerDqId           = (pHeaderExt->uiDependencyId << 4) | pHeaderExt->uiQualityId;
 }
 
 
@@ -640,21 +640,21 @@
  *  Parse slice header of bitstream in avc for storing data structure
  */
 int32_t ParseSliceHeaderSyntaxs (PWelsDecoderContext pCtx, PBitStringAux pBs, const bool kbExtensionFlag) {
-  PNalUnit const kpCurNal				= pCtx->pAccessUnitList->pNalUnitsList[pCtx->pAccessUnitList->uiAvailUnitsNum - 1];
+  PNalUnit const kpCurNal               = pCtx->pAccessUnitList->pNalUnitsList[pCtx->pAccessUnitList->uiAvailUnitsNum - 1];
 
-  PNalUnitHeaderExt pNalHeaderExt	= NULL;
-  PSliceHeader pSliceHead			= NULL;
-  PSliceHeaderExt pSliceHeadExt	= NULL;
-  PSubsetSps pSubsetSps				= NULL;
-  PSps pSps							= NULL;
-  PPps pPps							= NULL;
-  EWelsNalUnitType eNalType				= static_cast<EWelsNalUnitType> (0);
-  int32_t iPpsId						= 0;
-  int32_t iRet						= ERR_NONE;
-  uint8_t uiSliceType				= 0;
-  uint8_t uiQualityId					= BASE_QUALITY_ID;
-  bool	bIdrFlag					= false;
-  bool	bSgChangeCycleInvolved	= false;	// involved slice group change cycle ?
+  PNalUnitHeaderExt pNalHeaderExt       = NULL;
+  PSliceHeader pSliceHead               = NULL;
+  PSliceHeaderExt pSliceHeadExt         = NULL;
+  PSubsetSps pSubsetSps                 = NULL;
+  PSps pSps                             = NULL;
+  PPps pPps                             = NULL;
+  EWelsNalUnitType eNalType             = static_cast<EWelsNalUnitType> (0);
+  int32_t iPpsId                        = 0;
+  int32_t iRet                          = ERR_NONE;
+  uint8_t uiSliceType                   = 0;
+  uint8_t uiQualityId                   = BASE_QUALITY_ID;
+  bool  bIdrFlag                        = false;
+  bool  bSgChangeCycleInvolved          = false;        // involved slice group change cycle ?
   uint32_t uiCode;
   int32_t iCode;
   SLogContext* pLogCtx = & (pCtx->sLogCtx);
@@ -663,11 +663,11 @@
     return ERR_INFO_OUT_OF_MEMORY;
   }
 
-  pNalHeaderExt	= &kpCurNal->sNalHeaderExt;
-  pSliceHead		= &kpCurNal->sNalData.sVclNal.sSliceHeaderExt.sSliceHeader;
-  eNalType		= pNalHeaderExt->sNalUnitHeader.eNalUnitType;
+  pNalHeaderExt = &kpCurNal->sNalHeaderExt;
+  pSliceHead    = &kpCurNal->sNalData.sVclNal.sSliceHeaderExt.sSliceHeader;
+  eNalType      = pNalHeaderExt->sNalUnitHeader.eNalUnitType;
 
-  pSliceHeadExt	= &kpCurNal->sNalData.sVclNal.sSliceHeaderExt;
+  pSliceHeadExt = &kpCurNal->sNalData.sVclNal.sSliceHeaderExt;
 
   if (pSliceHeadExt) {
     SRefBasePicMarking sBaseMarking;
@@ -674,15 +674,15 @@
     const bool kbStoreRefBaseFlag = pSliceHeadExt->bStoreRefBasePicFlag;
     memcpy (&sBaseMarking, &pSliceHeadExt->sRefBasePicMarking, sizeof (SRefBasePicMarking)); //confirmed_safe_unsafe_usage
     memset (pSliceHeadExt, 0, sizeof (SSliceHeaderExt));
-    pSliceHeadExt->bStoreRefBasePicFlag	= kbStoreRefBaseFlag;
+    pSliceHeadExt->bStoreRefBasePicFlag = kbStoreRefBaseFlag;
     memcpy (&pSliceHeadExt->sRefBasePicMarking, &sBaseMarking, sizeof (SRefBasePicMarking)); //confirmed_safe_unsafe_usage
   }
 
-  kpCurNal->sNalData.sVclNal.bSliceHeaderExtFlag	= kbExtensionFlag;
+  kpCurNal->sNalData.sVclNal.bSliceHeaderExtFlag = kbExtensionFlag;
 
   // first_mb_in_slice
   WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //first_mb_in_slice
-  pSliceHead->iFirstMbInSlice	= uiCode;
+  pSliceHead->iFirstMbInSlice = uiCode;
 
   WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //slice_type
   uiSliceType = uiCode;
@@ -710,7 +710,7 @@
     }
   }
 
-  pSliceHead->eSliceType	= static_cast <EWelsSliceType> (uiSliceType);
+  pSliceHead->eSliceType = static_cast <EWelsSliceType> (uiSliceType);
 
   WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //pic_parameter_set_id
   iPpsId = uiCode;
@@ -746,7 +746,7 @@
 
   if (kbExtensionFlag) {
     pSubsetSps      = &pCtx->sSubsetSpsBuffer[pPps->iSpsId];
-    pSps		= &pSubsetSps->sSps;
+    pSps            = &pSubsetSps->sSps;
     if (pCtx->bSubspsAvailFlags[pPps->iSpsId] == false) {
       pCtx->sDecoderStatistics.iSubSpsReportErrorNum++;
       if (pCtx->iSubSPSLastInvalidId != pPps->iSpsId) {
@@ -776,7 +776,7 @@
       return GENERATE_ERROR_NO (ERR_LEVEL_SLICE_HEADER, ERR_INFO_INVALID_SPS_ID);
     }
     pCtx->iSPSLastInvalidId = -1;
-    pSps		= &pCtx->sSpsBuffer[pPps->iSpsId];
+    pSps = &pCtx->sSpsBuffer[pPps->iSpsId];
   }
   pSliceHead->iPpsId = iPpsId;
   pSliceHead->iSpsId = pPps->iSpsId;
@@ -798,15 +798,15 @@
   WELS_READ_VERIFY (BsGetBits (pBs, pSps->uiLog2MaxFrameNum, &uiCode)); //frame_num
   pSliceHead->iFrameNum = uiCode;
 
-  pSliceHead->bFieldPicFlag		= false;
-  pSliceHead->bBottomFiledFlag	= false;
+  pSliceHead->bFieldPicFlag    = false;
+  pSliceHead->bBottomFiledFlag = false;
   if (!pSps->bFrameMbsOnlyFlag) {
     WelsLog (pLogCtx, WELS_LOG_WARNING, "ParseSliceHeaderSyntaxs(): frame_mbs_only_flag = %d not supported. ",
              pSps->bFrameMbsOnlyFlag);
     return GENERATE_ERROR_NO (ERR_LEVEL_SLICE_HEADER, ERR_INFO_UNSUPPORTED_MBAFF);
   }
-  pSliceHead->iMbWidth	= pSps->iMbWidth;
-  pSliceHead->iMbHeight	= pSps->iMbHeight / (1 + pSliceHead->bFieldPicFlag);
+  pSliceHead->iMbWidth  = pSps->iMbWidth;
+  pSliceHead->iMbHeight = pSps->iMbHeight / (1 + pSliceHead->bFieldPicFlag);
 
   if (bIdrFlag) {
     if (pSliceHead->iFrameNum != 0) {
@@ -819,25 +819,25 @@
     // standard 7.4.3 idr_pic_id should be in range 0 to 65535, inclusive.
     WELS_CHECK_SE_UPPER_ERROR (uiCode, SLICE_HEADER_IDR_PIC_ID_MAX, "idr_pic_id", GENERATE_ERROR_NO (ERR_LEVEL_SLICE_HEADER,
                                ERR_INFO_INVALID_IDR_PIC_ID));
-    pSliceHead->uiIdrPicId	= uiCode; /* uiIdrPicId */
+    pSliceHead->uiIdrPicId = uiCode; /* uiIdrPicId */
 #ifdef LONG_TERM_REF
-    pCtx->uiCurIdrPicId      = pSliceHead->uiIdrPicId;
+    pCtx->uiCurIdrPicId = pSliceHead->uiIdrPicId;
 #endif
   }
 
-  pSliceHead->iDeltaPicOrderCntBottom	= 0;
-  pSliceHead->iDeltaPicOrderCnt[0]		=
-    pSliceHead->iDeltaPicOrderCnt[1]		= 0;
+  pSliceHead->iDeltaPicOrderCntBottom = 0;
+  pSliceHead->iDeltaPicOrderCnt[0] =
+    pSliceHead->iDeltaPicOrderCnt[1] = 0;
   if (pSps->uiPocType == 0) {
     WELS_READ_VERIFY (BsGetBits (pBs, pSps->iLog2MaxPocLsb, &uiCode)); //pic_order_cnt_lsb
-    pSliceHead->iPicOrderCntLsb	= uiCode;
+    pSliceHead->iPicOrderCntLsb = uiCode;
     if (pPps->bPicOrderPresentFlag && !pSliceHead->bFieldPicFlag) {
       WELS_READ_VERIFY (BsGetSe (pBs, &iCode)); //delta_pic_order_cnt_bottom
-      pSliceHead->iDeltaPicOrderCntBottom	= iCode;
+      pSliceHead->iDeltaPicOrderCntBottom = iCode;
     }
   } else if (pSps->uiPocType == 1 && !pSps->bDeltaPicOrderAlwaysZeroFlag) {
     WELS_READ_VERIFY (BsGetSe (pBs, &iCode)); //delta_pic_order_cnt[ 0 ]
-    pSliceHead->iDeltaPicOrderCnt[0]	= iCode;
+    pSliceHead->iDeltaPicOrderCnt[0] = iCode;
     if (pPps->bPicOrderPresentFlag && !pSliceHead->bFieldPicFlag) {
       WELS_READ_VERIFY (BsGetSe (pBs, &iCode)); //delta_pic_order_cnt[ 1 ]
       pSliceHead->iDeltaPicOrderCnt[1] = iCode;
@@ -844,7 +844,7 @@
     }
   }
 
-  pSliceHead->iRedundantPicCnt	= 0;
+  pSliceHead->iRedundantPicCnt = 0;
   if (pPps->bRedundantPicCntPresentFlag) {
     WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //redundant_pic_cnt
     // standard section 7.4.3, redundant_pic_cnt should be in range 0 to 127, inclusive.
@@ -854,8 +854,8 @@
   }
 
   //set defaults, might be overriden a few line later
-  pSliceHead->uiRefCount[0]	= pPps->uiNumRefIdxL0Active;
-  pSliceHead->uiRefCount[1]	= pPps->uiNumRefIdxL1Active;
+  pSliceHead->uiRefCount[0] = pPps->uiNumRefIdxL0Active;
+  pSliceHead->uiRefCount[1] = pPps->uiNumRefIdxL1Active;
 
   bool bReadNumRefFlag = (P_SLICE == uiSliceType);
   if (kbExtensionFlag) {
@@ -863,12 +863,12 @@
   }
   if (bReadNumRefFlag) {
     WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //num_ref_idx_active_override_flag
-    pSliceHead->bNumRefIdxActiveOverrideFlag	= !!uiCode;
+    pSliceHead->bNumRefIdxActiveOverrideFlag = !!uiCode;
     if (pSliceHead->bNumRefIdxActiveOverrideFlag) {
       WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //num_ref_idx_l0_active_minus1
       WELS_CHECK_SE_UPPER_ERROR (uiCode, MAX_NUM_REF_IDX_L0_ACTIVE_MINUS1, "num_ref_idx_l0_active_minus1",
                                  GENERATE_ERROR_NO (ERR_LEVEL_SLICE_HEADER, ERR_INFO_INVALID_NUM_REF_IDX_L0_ACTIVE_MINUS1));
-      pSliceHead->uiRefCount[0]	= 1 + uiCode;
+      pSliceHead->uiRefCount[0] = 1 + uiCode;
     }
   }
 
@@ -894,9 +894,9 @@
 
     if (kbExtensionFlag) {
       if (pNalHeaderExt->iNoInterLayerPredFlag || pNalHeaderExt->uiQualityId > 0)
-        pSliceHeadExt->bBasePredWeightTableFlag	= false;
+        pSliceHeadExt->bBasePredWeightTableFlag = false;
       else
-        pSliceHeadExt->bBasePredWeightTableFlag	= true;
+        pSliceHeadExt->bBasePredWeightTableFlag = true;
     }
 
     if (kpCurNal->sNalHeaderExt.sNalUnitHeader.uiNalRefIdc != 0) {
@@ -907,7 +907,7 @@
 
       if (kbExtensionFlag && !pSubsetSps->sSpsSvcExt.bSliceHeaderRestrictionFlag) {
         WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //store_ref_base_pic_flag
-        pSliceHeadExt->bStoreRefBasePicFlag	= !!uiCode;
+        pSliceHeadExt->bStoreRefBasePicFlag = !!uiCode;
         if ((pNalHeaderExt->bUseRefBasePicFlag || pSliceHeadExt->bStoreRefBasePicFlag) && !bIdrFlag) {
           WelsLog (pLogCtx, WELS_LOG_WARNING,
                    "ParseSliceHeaderSyntaxs(): bUseRefBasePicFlag or bStoreRefBasePicFlag = 1 not supported.");
@@ -928,8 +928,8 @@
   }
 
   WELS_READ_VERIFY (BsGetSe (pBs, &iCode)); //slice_qp_delta
-  pSliceHead->iSliceQpDelta	= iCode;
-  pSliceHead->iSliceQp		= pPps->iPicInitQp + pSliceHead->iSliceQpDelta;
+  pSliceHead->iSliceQpDelta     = iCode;
+  pSliceHead->iSliceQp          = pPps->iPicInitQp + pSliceHead->iSliceQpDelta;
   if (pSliceHead->iSliceQp < 0 || pSliceHead->iSliceQp > 51) {
     WelsLog (pLogCtx, WELS_LOG_WARNING, "QP %d out of range", pSliceHead->iSliceQp);
     return GENERATE_ERROR_NO (ERR_LEVEL_SLICE_HEADER, ERR_INFO_INVALID_QP);
@@ -943,12 +943,12 @@
     }
   }
 
-  pSliceHead->uiDisableDeblockingFilterIdc	= 0;
-  pSliceHead->iSliceAlphaC0Offset			= 0;
-  pSliceHead->iSliceBetaOffset				= 0;
+  pSliceHead->uiDisableDeblockingFilterIdc = 0;
+  pSliceHead->iSliceAlphaC0Offset          = 0;
+  pSliceHead->iSliceBetaOffset             = 0;
   if (pPps->bDeblockingFilterControlPresentFlag) {
     WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //disable_deblocking_filter_idc
-    pSliceHead->uiDisableDeblockingFilterIdc	= uiCode;
+    pSliceHead->uiDisableDeblockingFilterIdc = uiCode;
     //refer to JVT-X201wcm1.doc G.7.4.3.4--2010.4.20
     if (pSliceHead->uiDisableDeblockingFilterIdc > 6) {
       WelsLog (pLogCtx, WELS_LOG_WARNING, "disable_deblock_filter_idc (%d) out of range [0, 6]",
@@ -957,12 +957,12 @@
     }
     if (pSliceHead->uiDisableDeblockingFilterIdc != 1) {
       WELS_READ_VERIFY (BsGetSe (pBs, &iCode)); //slice_alpha_c0_offset_div2
-      pSliceHead->iSliceAlphaC0Offset	= iCode * 2;
+      pSliceHead->iSliceAlphaC0Offset = iCode * 2;
       WELS_CHECK_SE_BOTH_ERROR (pSliceHead->iSliceAlphaC0Offset, SLICE_HEADER_ALPHAC0_BETA_OFFSET_MIN,
                                 SLICE_HEADER_ALPHAC0_BETA_OFFSET_MAX, "slice_alpha_c0_offset_div2 * 2", GENERATE_ERROR_NO (ERR_LEVEL_SLICE_HEADER,
                                     ERR_INFO_INVALID_SLICE_ALPHA_C0_OFFSET_DIV2));
       WELS_READ_VERIFY (BsGetSe (pBs, &iCode)); //slice_beta_offset_div2
-      pSliceHead->iSliceBetaOffset		= iCode * 2;
+      pSliceHead->iSliceBetaOffset = iCode * 2;
       WELS_CHECK_SE_BOTH_ERROR (pSliceHead->iSliceBetaOffset, SLICE_HEADER_ALPHAC0_BETA_OFFSET_MIN,
                                 SLICE_HEADER_ALPHAC0_BETA_OFFSET_MAX, "slice_beta_offset_div2 * 2", GENERATE_ERROR_NO (ERR_LEVEL_SLICE_HEADER,
                                     ERR_INFO_INVALID_SLICE_BETA_OFFSET_DIV2));
@@ -969,7 +969,7 @@
     }
   }
 
-  bSgChangeCycleInvolved	= (pPps->uiNumSliceGroups > 1 && pPps->uiSliceGroupMapType >= 3
+  bSgChangeCycleInvolved = (pPps->uiNumSliceGroups > 1 && pPps->uiSliceGroupMapType >= 3
                              && pPps->uiSliceGroupMapType <= 5);
   if (kbExtensionFlag && bSgChangeCycleInvolved)
     bSgChangeCycleInvolved = (bSgChangeCycleInvolved && (uiQualityId == BASE_QUALITY_ID));
@@ -978,9 +978,9 @@
       const int32_t kiNumBits = (int32_t)WELS_CEIL (log (static_cast<double> (1 + pPps->uiPicSizeInMapUnits /
                                 pPps->uiSliceGroupChangeRate)));
       WELS_READ_VERIFY (BsGetBits (pBs, kiNumBits, &uiCode)); //lice_group_change_cycle
-      pSliceHead->iSliceGroupChangeCycle	= uiCode;
+      pSliceHead->iSliceGroupChangeCycle = uiCode;
     } else
-      pSliceHead->iSliceGroupChangeCycle	= 0;
+      pSliceHead->iSliceGroupChangeCycle = 0;
   }
 
   if (!kbExtensionFlag) {
@@ -987,15 +987,15 @@
     FillDefaultSliceHeaderExt (pSliceHeadExt, pNalHeaderExt);
   } else {
     /* Extra syntax elements newly introduced */
-    pSliceHeadExt->pSubsetSps	= pSubsetSps;
+    pSliceHeadExt->pSubsetSps = pSubsetSps;
 
     if (!pNalHeaderExt->iNoInterLayerPredFlag && BASE_QUALITY_ID == uiQualityId) {
       //the following should be deleted for CODE_CLEAN
       WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //ref_layer_dq_id
-      pSliceHeadExt->uiRefLayerDqId	= uiCode;
+      pSliceHeadExt->uiRefLayerDqId = uiCode;
       if (pSubsetSps->sSpsSvcExt.bInterLayerDeblockingFilterCtrlPresentFlag) {
         WELS_READ_VERIFY (BsGetUe (pBs, &uiCode)); //disable_inter_layer_deblocking_filter_idc
-        pSliceHeadExt->uiDisableInterLayerDeblockingFilterIdc	= uiCode;
+        pSliceHeadExt->uiDisableInterLayerDeblockingFilterIdc = uiCode;
         //refer to JVT-X201wcm1.doc G.7.4.3.4--2010.4.20
         if (pSliceHeadExt->uiDisableInterLayerDeblockingFilterIdc > 6) {
           WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING, "disable_inter_layer_deblock_filter_idc (%d) out of range [0, 6]",
@@ -1004,13 +1004,13 @@
         }
         if (pSliceHeadExt->uiDisableInterLayerDeblockingFilterIdc != 1) {
           WELS_READ_VERIFY (BsGetSe (pBs, &iCode)); //inter_layer_slice_alpha_c0_offset_div2
-          pSliceHeadExt->iInterLayerSliceAlphaC0Offset	= iCode * 2;
+          pSliceHeadExt->iInterLayerSliceAlphaC0Offset = iCode * 2;
           WELS_CHECK_SE_BOTH_ERROR (pSliceHeadExt->iInterLayerSliceAlphaC0Offset,
                                     SLICE_HEADER_INTER_LAYER_ALPHAC0_BETA_OFFSET_MIN, SLICE_HEADER_INTER_LAYER_ALPHAC0_BETA_OFFSET_MAX,
                                     "inter_layer_alpha_c0_offset_div2 * 2", GENERATE_ERROR_NO (ERR_LEVEL_SLICE_HEADER,
                                         ERR_INFO_INVALID_SLICE_ALPHA_C0_OFFSET_DIV2));
           WELS_READ_VERIFY (BsGetSe (pBs, &iCode)); //inter_layer_slice_beta_offset_div2
-          pSliceHeadExt->iInterLayerSliceBetaOffset		= iCode * 2;
+          pSliceHeadExt->iInterLayerSliceBetaOffset = iCode * 2;
           WELS_CHECK_SE_BOTH_ERROR (pSliceHeadExt->iInterLayerSliceBetaOffset, SLICE_HEADER_INTER_LAYER_ALPHAC0_BETA_OFFSET_MIN,
                                     SLICE_HEADER_INTER_LAYER_ALPHAC0_BETA_OFFSET_MAX, "inter_layer_slice_beta_offset_div2 * 2",
                                     GENERATE_ERROR_NO (ERR_LEVEL_SLICE_HEADER, ERR_INFO_INVALID_SLICE_BETA_OFFSET_DIV2));
@@ -1017,21 +1017,21 @@
         }
       }
 
-      pSliceHeadExt->uiRefLayerChromaPhaseXPlus1Flag	= pSubsetSps->sSpsSvcExt.uiSeqRefLayerChromaPhaseXPlus1Flag;
-      pSliceHeadExt->uiRefLayerChromaPhaseYPlus1		= pSubsetSps->sSpsSvcExt.uiSeqRefLayerChromaPhaseYPlus1;
+      pSliceHeadExt->uiRefLayerChromaPhaseXPlus1Flag = pSubsetSps->sSpsSvcExt.uiSeqRefLayerChromaPhaseXPlus1Flag;
+      pSliceHeadExt->uiRefLayerChromaPhaseYPlus1     = pSubsetSps->sSpsSvcExt.uiSeqRefLayerChromaPhaseYPlus1;
 
       WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //constrained_intra_resampling_flag
-      pSliceHeadExt->bConstrainedIntraResamplingFlag	= !!uiCode;
+      pSliceHeadExt->bConstrainedIntraResamplingFlag = !!uiCode;
 
       {
         SPosOffset pos;
-        pos.iLeftOffset	= pSubsetSps->sSpsSvcExt.sSeqScaledRefLayer.iLeftOffset;
-        pos.iTopOffset	= pSubsetSps->sSpsSvcExt.sSeqScaledRefLayer.iTopOffset * (2 - pSps->bFrameMbsOnlyFlag);
-        pos.iRightOffset = pSubsetSps->sSpsSvcExt.sSeqScaledRefLayer.iRightOffset;
+        pos.iLeftOffset   = pSubsetSps->sSpsSvcExt.sSeqScaledRefLayer.iLeftOffset;
+        pos.iTopOffset    = pSubsetSps->sSpsSvcExt.sSeqScaledRefLayer.iTopOffset * (2 - pSps->bFrameMbsOnlyFlag);
+        pos.iRightOffset  = pSubsetSps->sSpsSvcExt.sSeqScaledRefLayer.iRightOffset;
         pos.iBottomOffset = pSubsetSps->sSpsSvcExt.sSeqScaledRefLayer.iBottomOffset * (2 - pSps->bFrameMbsOnlyFlag);
         //memcpy(&pSliceHeadExt->sScaledRefLayer, &pos, sizeof(SPosOffset));//confirmed_safe_unsafe_usage
-        pSliceHeadExt->iScaledRefLayerPicWidthInSampleLuma	= (pSliceHead->iMbWidth << 4) - (pos.iLeftOffset + pos.iRightOffset);
-        pSliceHeadExt->iScaledRefLayerPicHeightInSampleLuma	= (pSliceHead->iMbHeight << 4) -
+        pSliceHeadExt->iScaledRefLayerPicWidthInSampleLuma  = (pSliceHead->iMbWidth << 4) - (pos.iLeftOffset + pos.iRightOffset);
+        pSliceHeadExt->iScaledRefLayerPicHeightInSampleLuma = (pSliceHead->iMbHeight << 4) -
             (pos.iTopOffset + pos.iBottomOffset) / (1 + pSliceHead->bFieldPicFlag);
       }
     } else if (uiQualityId > BASE_QUALITY_ID) {
@@ -1038,45 +1038,45 @@
       WelsLog (pLogCtx, WELS_LOG_WARNING, "MGS not supported.");
       return GENERATE_ERROR_NO (ERR_LEVEL_SLICE_HEADER, ERR_INFO_UNSUPPORTED_MGS);
     } else {
-      pSliceHeadExt->uiRefLayerDqId	= (uint8_t) - 1;
+      pSliceHeadExt->uiRefLayerDqId = (uint8_t) - 1;
     }
 
-    pSliceHeadExt->bSliceSkipFlag	= false;
-    pSliceHeadExt->bAdaptiveBaseModeFlag	= false;
-    pSliceHeadExt->bDefaultBaseModeFlag	= false;
-    pSliceHeadExt->bAdaptiveMotionPredFlag	= false;
-    pSliceHeadExt->bDefaultMotionPredFlag	= false;
-    pSliceHeadExt->bAdaptiveResidualPredFlag	= false;
-    pSliceHeadExt->bDefaultResidualPredFlag	= false;
+    pSliceHeadExt->bSliceSkipFlag            = false;
+    pSliceHeadExt->bAdaptiveBaseModeFlag     = false;
+    pSliceHeadExt->bDefaultBaseModeFlag      = false;
+    pSliceHeadExt->bAdaptiveMotionPredFlag   = false;
+    pSliceHeadExt->bDefaultMotionPredFlag    = false;
+    pSliceHeadExt->bAdaptiveResidualPredFlag = false;
+    pSliceHeadExt->bDefaultResidualPredFlag  = false;
     if (pNalHeaderExt->iNoInterLayerPredFlag)
-      pSliceHeadExt->bTCoeffLevelPredFlag	= false;
+      pSliceHeadExt->bTCoeffLevelPredFlag    = false;
     else
-      pSliceHeadExt->bTCoeffLevelPredFlag	= pSubsetSps->sSpsSvcExt.bSeqTCoeffLevelPredFlag;
+      pSliceHeadExt->bTCoeffLevelPredFlag    = pSubsetSps->sSpsSvcExt.bSeqTCoeffLevelPredFlag;
 
     if (!pNalHeaderExt->iNoInterLayerPredFlag) {
       WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //slice_skip_flag
-      pSliceHeadExt->bSliceSkipFlag	= !!uiCode;
+      pSliceHeadExt->bSliceSkipFlag = !!uiCode;
       if (pSliceHeadExt->bSliceSkipFlag) {
         WelsLog (pLogCtx, WELS_LOG_WARNING, "bSliceSkipFlag == 1 not supported.");
         return GENERATE_ERROR_NO (ERR_LEVEL_SLICE_HEADER, ERR_INFO_UNSUPPORTED_SLICESKIP);
       } else {
         WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //adaptive_base_mode_flag
-        pSliceHeadExt->bAdaptiveBaseModeFlag	= !!uiCode;
+        pSliceHeadExt->bAdaptiveBaseModeFlag = !!uiCode;
         if (!pSliceHeadExt->bAdaptiveBaseModeFlag) {
           WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //default_base_mode_flag
-          pSliceHeadExt->bDefaultBaseModeFlag	= !!uiCode;
+          pSliceHeadExt->bDefaultBaseModeFlag = !!uiCode;
         }
         if (!pSliceHeadExt->bDefaultBaseModeFlag) {
           WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //adaptive_motion_prediction_flag
-          pSliceHeadExt->bAdaptiveMotionPredFlag	= !!uiCode;
+          pSliceHeadExt->bAdaptiveMotionPredFlag = !!uiCode;
           if (!pSliceHeadExt->bAdaptiveMotionPredFlag) {
             WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //default_motion_prediction_flag
-            pSliceHeadExt->bDefaultMotionPredFlag	= !!uiCode;
+            pSliceHeadExt->bDefaultMotionPredFlag = !!uiCode;
           }
         }
 
         WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //adaptive_residual_prediction_flag
-        pSliceHeadExt->bAdaptiveResidualPredFlag	= !!uiCode;
+        pSliceHeadExt->bAdaptiveResidualPredFlag = !!uiCode;
         if (!pSliceHeadExt->bAdaptiveResidualPredFlag) {
           WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //default_residual_prediction_flag
           pSliceHeadExt->bDefaultResidualPredFlag = !!uiCode;
@@ -1084,15 +1084,15 @@
       }
       if (pSubsetSps->sSpsSvcExt.bAdaptiveTCoeffLevelPredFlag) {
         WELS_READ_VERIFY (BsGetOneBit (pBs, &uiCode)); //tcoeff_level_prediction_flag
-        pSliceHeadExt->bTCoeffLevelPredFlag	= !!uiCode;
+        pSliceHeadExt->bTCoeffLevelPredFlag = !!uiCode;
       }
     }
 
     if (!pSubsetSps->sSpsSvcExt.bSliceHeaderRestrictionFlag) {
       WELS_READ_VERIFY (BsGetBits (pBs, 4, &uiCode)); //scan_idx_start
-      pSliceHeadExt->uiScanIdxStart	= uiCode;
+      pSliceHeadExt->uiScanIdxStart = uiCode;
       WELS_READ_VERIFY (BsGetBits (pBs, 4, &uiCode)); //scan_idx_end
-      pSliceHeadExt->uiScanIdxEnd	= uiCode;
+      pSliceHeadExt->uiScanIdxEnd = uiCode;
       if (pSliceHeadExt->uiScanIdxStart != 0 || pSliceHeadExt->uiScanIdxEnd != 15) {
         WelsLog (pLogCtx, WELS_LOG_WARNING, "uiScanIdxStart (%d) != 0 and uiScanIdxEnd (%d) !=15 not supported here",
                  pSliceHeadExt->uiScanIdxStart, pSliceHeadExt->uiScanIdxEnd);
@@ -1099,8 +1099,8 @@
         return GENERATE_ERROR_NO (ERR_LEVEL_SLICE_HEADER, ERR_INFO_UNSUPPORTED_MGS);
       }
     } else {
-      pSliceHeadExt->uiScanIdxStart	= 0;
-      pSliceHeadExt->uiScanIdxEnd	= 15;
+      pSliceHeadExt->uiScanIdxStart = 0;
+      pSliceHeadExt->uiScanIdxEnd   = 15;
     }
   }
 
@@ -1113,7 +1113,7 @@
  *  ppDst:  succeeded VCL NAL based AVC (I/P Slice)
  */
 bool PrefetchNalHeaderExtSyntax (PWelsDecoderContext pCtx, PNalUnit const kppDst, PNalUnit const kpSrc) {
-  PNalUnitHeaderExt pNalHdrExtD	= NULL, pNalHdrExtS = NULL;
+  PNalUnitHeaderExt pNalHdrExtD = NULL, pNalHdrExtS = NULL;
   PSliceHeaderExt pShExtD = NULL;
   PPrefixNalUnit pPrefixS = NULL;
   PSps pSps = NULL;
@@ -1122,24 +1122,24 @@
   if (kppDst == NULL || kpSrc == NULL)
     return false;
 
-  pNalHdrExtD	= &kppDst->sNalHeaderExt;
-  pNalHdrExtS	= &kpSrc->sNalHeaderExt;
-  pShExtD		= &kppDst->sNalData.sVclNal.sSliceHeaderExt;
-  pPrefixS		= &kpSrc->sNalData.sPrefixNal;
-  pSps			= &pCtx->sSpsBuffer[pCtx->sPpsBuffer[pShExtD->sSliceHeader.iPpsId].iSpsId];
+  pNalHdrExtD   = &kppDst->sNalHeaderExt;
+  pNalHdrExtS   = &kpSrc->sNalHeaderExt;
+  pShExtD       = &kppDst->sNalData.sVclNal.sSliceHeaderExt;
+  pPrefixS      = &kpSrc->sNalData.sPrefixNal;
+  pSps          = &pCtx->sSpsBuffer[pCtx->sPpsBuffer[pShExtD->sSliceHeader.iPpsId].iSpsId];
 
-  pNalHdrExtD->uiDependencyId	    = pNalHdrExtS->uiDependencyId;
-  pNalHdrExtD->uiQualityId		= pNalHdrExtS->uiQualityId;
-  pNalHdrExtD->uiTemporalId		= pNalHdrExtS->uiTemporalId;
-  pNalHdrExtD->uiPriorityId		= pNalHdrExtS->uiPriorityId;
-  pNalHdrExtD->bIdrFlag			= pNalHdrExtS->bIdrFlag;
-  pNalHdrExtD->iNoInterLayerPredFlag	= pNalHdrExtS->iNoInterLayerPredFlag;
-  pNalHdrExtD->bDiscardableFlag			= pNalHdrExtS->bDiscardableFlag;
-  pNalHdrExtD->bOutputFlag				= pNalHdrExtS->bOutputFlag;
-  pNalHdrExtD->bUseRefBasePicFlag	= pNalHdrExtS->bUseRefBasePicFlag;
-  pNalHdrExtD->uiLayerDqId				= pNalHdrExtS->uiLayerDqId;
+  pNalHdrExtD->uiDependencyId           = pNalHdrExtS->uiDependencyId;
+  pNalHdrExtD->uiQualityId              = pNalHdrExtS->uiQualityId;
+  pNalHdrExtD->uiTemporalId             = pNalHdrExtS->uiTemporalId;
+  pNalHdrExtD->uiPriorityId             = pNalHdrExtS->uiPriorityId;
+  pNalHdrExtD->bIdrFlag                 = pNalHdrExtS->bIdrFlag;
+  pNalHdrExtD->iNoInterLayerPredFlag    = pNalHdrExtS->iNoInterLayerPredFlag;
+  pNalHdrExtD->bDiscardableFlag         = pNalHdrExtS->bDiscardableFlag;
+  pNalHdrExtD->bOutputFlag              = pNalHdrExtS->bOutputFlag;
+  pNalHdrExtD->bUseRefBasePicFlag       = pNalHdrExtS->bUseRefBasePicFlag;
+  pNalHdrExtD->uiLayerDqId              = pNalHdrExtS->uiLayerDqId;
 
-  pShExtD->bStoreRefBasePicFlag		= pPrefixS->bStoreRefBasePicFlag;
+  pShExtD->bStoreRefBasePicFlag         = pPrefixS->bStoreRefBasePicFlag;
   memcpy (&pShExtD->sRefBasePicMarking, &pPrefixS->sRefPicBaseMarking,
           sizeof (SRefBasePicMarking)); //confirmed_safe_unsafe_usage
   if (pShExtD->sRefBasePicMarking.bAdaptiveRefBasePicMarkingModeFlag) {
@@ -1161,7 +1161,7 @@
 
 
 int32_t UpdateAccessUnit (PWelsDecoderContext pCtx) {
-  PAccessUnit pCurAu	= pCtx->pAccessUnitList;
+  PAccessUnit pCurAu   = pCtx->pAccessUnitList;
   int32_t iIdx         = pCurAu->uiEndPos;
 
   // Conversed iterator
@@ -1186,7 +1186,7 @@
       ++ uiActualIdx;
     }
     if (uiActualIdx ==
-        pCurAu->uiActualUnitsNum) {	// no found IDR nal within incoming AU, need exit to avoid mosaic issue, 11/19/2009
+        pCurAu->uiActualUnitsNum) { // no found IDR nal within incoming AU, need exit to avoid mosaic issue, 11/19/2009
 
       pCtx->sDecoderStatistics.uiIDRLostNum++;
       WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING,
@@ -1211,11 +1211,11 @@
   int32_t i = 0;
 
   WELS_VERIFY_RETURN_IF (ERR_INFO_INVALID_PARAM, (NULL == pCtx || kiMaxWidth <= 0 || kiMaxHeight <= 0))
-  pCtx->sMb.iMbWidth		= (kiMaxWidth + 15) >> 4;
-  pCtx->sMb.iMbHeight		= (kiMaxHeight + 15) >> 4;
+  pCtx->sMb.iMbWidth  = (kiMaxWidth + 15) >> 4;
+  pCtx->sMb.iMbHeight = (kiMaxHeight + 15) >> 4;
 
   if (pCtx->bInitialDqLayersMem && kiMaxWidth <= pCtx->iPicWidthReq
-      && kiMaxHeight <= pCtx->iPicHeightReq)	// have same dimension memory, skipped
+      && kiMaxHeight <= pCtx->iPicHeightReq) // have same dimension memory, skipped
     return ERR_NONE;
 
 
@@ -1270,7 +1270,7 @@
                               sizeof (
                                 int8_t) * MB_PARTITION_SIZE, "pCtx->sMb.pSubMbType[]");
     pCtx->sMb.pSliceIdc[i] = (int32_t*) WelsMallocz (pCtx->sMb.iMbWidth * pCtx->sMb.iMbHeight * sizeof (int32_t),
-                             "pCtx->sMb.pSliceIdc[]");	// using int32_t for slice_idc, 4/21/2010
+                             "pCtx->sMb.pSliceIdc[]"); // using int32_t for slice_idc, 4/21/2010
     pCtx->sMb.pResidualPredFlag[i] = (int8_t*) WelsMallocz (pCtx->sMb.iMbWidth * pCtx->sMb.iMbHeight * sizeof (int8_t),
                                      "pCtx->sMb.pResidualPredFlag[]");
     //pCtx->sMb.pMotionPredFlag[i] = (uint8_t *) WelsMallocz(pCtx->sMb.iMbWidth * pCtx->sMb.iMbHeight * sizeof(uint8_t), "pCtx->sMb.pMotionPredFlag[]");
@@ -1313,9 +1313,9 @@
     ++ i;
   } while (i < LAYER_NUM_EXCHANGEABLE);
 
-  pCtx->bInitialDqLayersMem	= true;
-  pCtx->iPicWidthReq			= kiMaxWidth;
-  pCtx->iPicHeightReq			= kiMaxHeight;
+  pCtx->bInitialDqLayersMem     = true;
+  pCtx->iPicWidthReq            = kiMaxWidth;
+  pCtx->iPicHeightReq           = kiMaxHeight;
 
   return ERR_NONE;
 }
@@ -1432,9 +1432,9 @@
 
     //      if (pCtx->sMb.pMotionPredFlag[i])
     //{
-    //	WelsFree( pCtx->sMb.pMotionPredFlag[i], "pCtx->sMb.pMotionPredFlag[]" );
+    //  WelsFree( pCtx->sMb.pMotionPredFlag[i], "pCtx->sMb.pMotionPredFlag[]" );
 
-    //	pCtx->sMb.pMotionPredFlag[i] = NULL;
+    //  pCtx->sMb.pMotionPredFlag[i] = NULL;
     //}
 
     if (pCtx->sMb.pSubMbType[i]) {
@@ -1478,22 +1478,22 @@
     ++ i;
   } while (i < LAYER_NUM_EXCHANGEABLE);
 
-  pCtx->iPicWidthReq			= 0;
-  pCtx->iPicHeightReq			= 0;
-  pCtx->bInitialDqLayersMem	= false;
+  pCtx->iPicWidthReq            = 0;
+  pCtx->iPicHeightReq           = 0;
+  pCtx->bInitialDqLayersMem     = false;
 }
 
 void ResetCurrentAccessUnit (PWelsDecoderContext pCtx) {
   PAccessUnit pCurAu = pCtx->pAccessUnitList;
   pCurAu->uiStartPos            = 0;
-  pCurAu->uiEndPos		= 0;
-  pCurAu->bCompletedAuFlag	= false;
+  pCurAu->uiEndPos              = 0;
+  pCurAu->bCompletedAuFlag      = false;
   if (pCurAu->uiActualUnitsNum > 0) {
     uint32_t iIdx = 0;
     const uint32_t kuiActualNum = pCurAu->uiActualUnitsNum;
     // a more simpler method to do nal units list management prefered here
-    const uint32_t kuiAvailNum	= pCurAu->uiAvailUnitsNum;
-    const uint32_t kuiLeftNum	= kuiAvailNum - kuiActualNum;
+    const uint32_t kuiAvailNum  = pCurAu->uiAvailUnitsNum;
+    const uint32_t kuiLeftNum   = kuiAvailNum - kuiActualNum;
 
     // Swapping active nal unit nodes of succeeding AU with leading of list
     while (iIdx < kuiLeftNum) {
@@ -1502,7 +1502,7 @@
       pCurAu->pNalUnitsList[iIdx] = t;
       ++ iIdx;
     }
-    pCurAu->uiActualUnitsNum = pCurAu->uiAvailUnitsNum	= kuiLeftNum;
+    pCurAu->uiActualUnitsNum = pCurAu->uiAvailUnitsNum = kuiLeftNum;
   }
 }
 
@@ -1512,14 +1512,14 @@
  * \history 11/16/2009
  */
 void ForceResetCurrentAccessUnit (PAccessUnit pAu) {
-  uint32_t uiSucAuIdx	= pAu->uiEndPos + 1;
-  uint32_t uiCurAuIdx	= 0;
+  uint32_t uiSucAuIdx = pAu->uiEndPos + 1;
+  uint32_t uiCurAuIdx = 0;
 
   // swap the succeeding AU's nal units to the front
   while (uiSucAuIdx < pAu->uiAvailUnitsNum) {
     PNalUnit t = pAu->pNalUnitsList[uiSucAuIdx];
-    pAu->pNalUnitsList[uiSucAuIdx]	= pAu->pNalUnitsList[uiCurAuIdx];
-    pAu->pNalUnitsList[uiCurAuIdx]	= t;
+    pAu->pNalUnitsList[uiSucAuIdx] = pAu->pNalUnitsList[uiCurAuIdx];
+    pAu->pNalUnitsList[uiCurAuIdx] = t;
     ++ uiSucAuIdx;
     ++ uiCurAuIdx;
   }
@@ -1526,13 +1526,13 @@
 
   // Update avail/actual units num accordingly for next AU parsing
   if (pAu->uiAvailUnitsNum > pAu->uiEndPos)
-    pAu->uiAvailUnitsNum	-= (pAu->uiEndPos + 1);
+    pAu->uiAvailUnitsNum -= (pAu->uiEndPos + 1);
   else
-    pAu->uiAvailUnitsNum	= 0;
-  pAu->uiActualUnitsNum	= 0;
+    pAu->uiAvailUnitsNum = 0;
+  pAu->uiActualUnitsNum = 0;
   pAu->uiStartPos       = 0;
-  pAu->uiEndPos		= 0;
-  pAu->bCompletedAuFlag	= false;
+  pAu->uiEndPos         = 0;
+  pAu->bCompletedAuFlag = false;
 }
 
 //clear current corrupted NAL from pNalUnitsList
@@ -1547,11 +1547,11 @@
   pCtx->bPpsExistAheadFlag = false;
 
   // Force clear the AU list
-  pCtx->pAccessUnitList->uiAvailUnitsNum	= 0;
-  pCtx->pAccessUnitList->uiActualUnitsNum	= 0;
-  pCtx->pAccessUnitList->uiStartPos		= 0;
-  pCtx->pAccessUnitList->uiEndPos		= 0;
-  pCtx->pAccessUnitList->bCompletedAuFlag	= false;
+  pCtx->pAccessUnitList->uiAvailUnitsNum        = 0;
+  pCtx->pAccessUnitList->uiActualUnitsNum       = 0;
+  pCtx->pAccessUnitList->uiStartPos             = 0;
+  pCtx->pAccessUnitList->uiEndPos               = 0;
+  pCtx->pAccessUnitList->bCompletedAuFlag       = false;
 }
 
 void CheckAvailNalUnitsListContinuity (PWelsDecoderContext pCtx, int32_t iStartIdx, int32_t iEndIdx) {
@@ -1985,35 +1985,35 @@
 
 static inline void InitDqLayerInfo (PDqLayer pDqLayer, PLayerInfo pLayerInfo, PNalUnit pNalUnit, PPicture pPicDec) {
   PNalUnitHeaderExt pNalHdrExt    = &pNalUnit->sNalHeaderExt;
-  PSliceHeaderExt pShExt			= &pNalUnit->sNalData.sVclNal.sSliceHeaderExt;
-  PSliceHeader        pSh			= &pShExt->sSliceHeader;
-  const uint8_t kuiQualityId		= pNalHdrExt->uiQualityId;
+  PSliceHeaderExt pShExt          = &pNalUnit->sNalData.sVclNal.sSliceHeaderExt;
+  PSliceHeader pSh                = &pShExt->sSliceHeader;
+  const uint8_t kuiQualityId      = pNalHdrExt->uiQualityId;
 
   memcpy (&pDqLayer->sLayerInfo, pLayerInfo, sizeof (SLayerInfo)); //confirmed_safe_unsafe_usage
 
-  pDqLayer->pDec		= pPicDec;
-  pDqLayer->iMbWidth	= pSh->iMbWidth;	// MB width of this picture
-  pDqLayer->iMbHeight	= pSh->iMbHeight;// MB height of this picture
+  pDqLayer->pDec        = pPicDec;
+  pDqLayer->iMbWidth    = pSh->iMbWidth;        // MB width of this picture
+  pDqLayer->iMbHeight   = pSh->iMbHeight;// MB height of this picture
 
   pDqLayer->iSliceIdcBackup = (pSh->iFirstMbInSlice << 7) | (pNalHdrExt->uiDependencyId << 4) | (pNalHdrExt->uiQualityId);
 
   /* Common syntax elements across all slices of a DQLayer */
-  pDqLayer->uiPpsId									= pLayerInfo->pPps->iPpsId;
-  pDqLayer->uiDisableInterLayerDeblockingFilterIdc	= pShExt->uiDisableInterLayerDeblockingFilterIdc;
-  pDqLayer->iInterLayerSliceAlphaC0Offset			    = pShExt->iInterLayerSliceAlphaC0Offset;
-  pDqLayer->iInterLayerSliceBetaOffset				= pShExt->iInterLayerSliceBetaOffset;
-  pDqLayer->iSliceGroupChangeCycle					= pSh->iSliceGroupChangeCycle;
-  pDqLayer->bStoreRefBasePicFlag					    = pShExt->bStoreRefBasePicFlag;
-  pDqLayer->bTCoeffLevelPredFlag					    = pShExt->bTCoeffLevelPredFlag;
-  pDqLayer->bConstrainedIntraResamplingFlag			= pShExt->bConstrainedIntraResamplingFlag;
-  pDqLayer->uiRefLayerDqId							= pShExt->uiRefLayerDqId;
-  pDqLayer->uiRefLayerChromaPhaseXPlus1Flag		    = pShExt->uiRefLayerChromaPhaseXPlus1Flag;
-  pDqLayer->uiRefLayerChromaPhaseYPlus1				= pShExt->uiRefLayerChromaPhaseYPlus1;
+  pDqLayer->uiPpsId                                     = pLayerInfo->pPps->iPpsId;
+  pDqLayer->uiDisableInterLayerDeblockingFilterIdc      = pShExt->uiDisableInterLayerDeblockingFilterIdc;
+  pDqLayer->iInterLayerSliceAlphaC0Offset               = pShExt->iInterLayerSliceAlphaC0Offset;
+  pDqLayer->iInterLayerSliceBetaOffset                  = pShExt->iInterLayerSliceBetaOffset;
+  pDqLayer->iSliceGroupChangeCycle                      = pSh->iSliceGroupChangeCycle;
+  pDqLayer->bStoreRefBasePicFlag                        = pShExt->bStoreRefBasePicFlag;
+  pDqLayer->bTCoeffLevelPredFlag                        = pShExt->bTCoeffLevelPredFlag;
+  pDqLayer->bConstrainedIntraResamplingFlag             = pShExt->bConstrainedIntraResamplingFlag;
+  pDqLayer->uiRefLayerDqId                              = pShExt->uiRefLayerDqId;
+  pDqLayer->uiRefLayerChromaPhaseXPlus1Flag             = pShExt->uiRefLayerChromaPhaseXPlus1Flag;
+  pDqLayer->uiRefLayerChromaPhaseYPlus1                 = pShExt->uiRefLayerChromaPhaseYPlus1;
   //memcpy(&pDqLayer->sScaledRefLayer, &pShExt->sScaledRefLayer, sizeof(SPosOffset));//confirmed_safe_unsafe_usage
 
   if (kuiQualityId == BASE_QUALITY_ID) {
-    pDqLayer->pRefPicListReordering		= &pSh->pRefPicListReordering;
-    pDqLayer->pRefPicMarking		= &pSh->sRefMarking;
+    pDqLayer->pRefPicListReordering     = &pSh->pRefPicListReordering;
+    pDqLayer->pRefPicMarking            = &pSh->sRefMarking;
 
     if (pSh->pPps->bWeightedPredFlag) {
       pDqLayer->bUseWeightPredictionFlag = true;
@@ -2022,20 +2022,20 @@
     } else
       pDqLayer->bUseWeightPredictionFlag = false;
 
-    pDqLayer->pRefPicBaseMarking	= &pShExt->sRefBasePicMarking;
+    pDqLayer->pRefPicBaseMarking        = &pShExt->sRefBasePicMarking;
   }
 
-  pDqLayer->uiLayerDqId			= pNalHdrExt->uiLayerDqId;	// dq_id of current layer
-  pDqLayer->bUseRefBasePicFlag	= pNalHdrExt->bUseRefBasePicFlag;
+  pDqLayer->uiLayerDqId                 = pNalHdrExt->uiLayerDqId;      // dq_id of current layer
+  pDqLayer->bUseRefBasePicFlag          = pNalHdrExt->bUseRefBasePicFlag;
 }
 
 void WelsDqLayerDecodeStart (PWelsDecoderContext pCtx, PNalUnit pCurNal, PSps pSps, PPps pPps) {
   PSliceHeader pSh = &pCurNal->sNalData.sVclNal.sSliceHeaderExt.sSliceHeader;
 
-  pCtx->eSliceType			= pSh->eSliceType;
-  pCtx->pSliceHeader			= pSh;
+  pCtx->eSliceType   = pSh->eSliceType;
+  pCtx->pSliceHeader = pSh;
 
-  pCtx->iFrameNum			= pSh->iFrameNum;
+  pCtx->iFrameNum    = pSh->iFrameNum;
 }
 
 int32_t InitRefPicList (PWelsDecoderContext pCtx, const uint8_t kuiNRi, int32_t iPoc) {
@@ -2050,18 +2050,18 @@
 
 void InitCurDqLayerData (PWelsDecoderContext pCtx, PDqLayer pCurDq) {
   if (NULL != pCtx && NULL != pCurDq) {
-    pCurDq->pMbType			= pCtx->sMb.pMbType[0];
-    pCurDq->pSliceIdc		= pCtx->sMb.pSliceIdc[0];
-    pCurDq->pMv[0]			= pCtx->sMb.pMv[0][0];
+    pCurDq->pMbType         = pCtx->sMb.pMbType[0];
+    pCurDq->pSliceIdc       = pCtx->sMb.pSliceIdc[0];
+    pCurDq->pMv[0]          = pCtx->sMb.pMv[0][0];
     pCurDq->pRefIndex[0]    = pCtx->sMb.pRefIndex[0][0];
     pCurDq->pNoSubMbPartSizeLessThan8x8Flag = pCtx->sMb.pNoSubMbPartSizeLessThan8x8Flag[0];
     pCurDq->pTransformSize8x8Flag = pCtx->sMb.pTransformSize8x8Flag[0];
     pCurDq->pLumaQp         = pCtx->sMb.pLumaQp[0];
     pCurDq->pChromaQp       = pCtx->sMb.pChromaQp[0];
-    pCurDq->pMvd[0]       = pCtx->sMb.pMvd[0][0];
-    pCurDq->pCbfDc       = pCtx->sMb.pCbfDc[0];
-    pCurDq->pNzc			= pCtx->sMb.pNzc[0];
-    pCurDq->pNzcRs			= pCtx->sMb.pNzcRs[0];
+    pCurDq->pMvd[0]         = pCtx->sMb.pMvd[0][0];
+    pCurDq->pCbfDc          = pCtx->sMb.pCbfDc[0];
+    pCurDq->pNzc            = pCtx->sMb.pNzc[0];
+    pCurDq->pNzcRs          = pCtx->sMb.pNzcRs[0];
     pCurDq->pScaledTCoeff   = pCtx->sMb.pScaledTCoeff[0];
     pCurDq->pIntraPredMode  = pCtx->sMb.pIntraPredMode[0];
     pCurDq->pIntra4x4FinalMode = pCtx->sMb.pIntra4x4FinalMode[0];
@@ -2098,12 +2098,12 @@
   int16_t iLastIdD = -1, iLastIdQ = -1;
   int16_t iCurrIdD = 0, iCurrIdQ = 0;
   uint8_t uiNalRefIdc = 0;
-  bool	bFreshSliceAvailable =
-    true;	// Another fresh slice comingup for given dq layer, for multiple slices in case of header parts of slices sometimes loss over error-prone channels, 8/14/2008
+  bool bFreshSliceAvailable =
+    true; // Another fresh slice comingup for given dq layer, for multiple slices in case of header parts of slices sometimes loss over error-prone channels, 8/14/2008
 
   //update pCurDqLayer at the starting of AU decoding
   if (pCtx->bInitialDqLayersMem) {
-    pCtx->pCurDqLayer				= pCtx->pDqLayersList[0];
+    pCtx->pCurDqLayer = pCtx->pDqLayersList[0];
   }
 
   InitCurDqLayerData (pCtx, pCtx->pCurDqLayer);
@@ -2110,10 +2110,10 @@
 
   pNalCur = pCurAu->pNalUnitsList[iIdx];
   while (iIdx <= iEndIdx) {
-    PDqLayer dq_cur							= pCtx->pCurDqLayer;
+    PDqLayer dq_cur = pCtx->pCurDqLayer;
     SLayerInfo pLayerInfo;
-    PSliceHeaderExt pShExt					= NULL;
-    PSliceHeader pSh							= NULL;
+    PSliceHeaderExt pShExt = NULL;
+    PSliceHeader pSh = NULL;
 
     if (pCtx->pDec == NULL) {
       pCtx->pDec = PrefetchPic (pCtx->pPicBuff[0]);
@@ -2146,7 +2146,7 @@
     GetI4LumaIChromaAddrTable (pCtx->iDecBlockOffsetArray, pCtx->pDec->iLinesize[0], pCtx->pDec->iLinesize[1]);
 
     if (pNalCur->sNalHeaderExt.uiLayerDqId > kuiTargetLayerDqId) { // confirmed pNalCur will never be NULL
-      break;	// Per formance it need not to decode the remaining bits any more due to given uiLayerDqId required, 9/2/2009
+      break; // Per formance it need not to decode the remaining bits any more due to given uiLayerDqId required, 9/2/2009
     }
 
     memset (&pLayerInfo, 0, sizeof (SLayerInfo));
@@ -2156,10 +2156,10 @@
      */
     while (iIdx <= iEndIdx) {
       bool         bReconstructSlice;
-      iCurrIdQ	= pNalCur->sNalHeaderExt.uiQualityId;
-      iCurrIdD	= pNalCur->sNalHeaderExt.uiDependencyId;
-      pSh		= &pNalCur->sNalData.sVclNal.sSliceHeaderExt.sSliceHeader;
-      pShExt	= &pNalCur->sNalData.sVclNal.sSliceHeaderExt;
+      iCurrIdQ  = pNalCur->sNalHeaderExt.uiQualityId;
+      iCurrIdD  = pNalCur->sNalHeaderExt.uiDependencyId;
+      pSh       = &pNalCur->sNalData.sVclNal.sSliceHeaderExt.sSliceHeader;
+      pShExt    = &pNalCur->sNalData.sVclNal.sSliceHeaderExt;
       pCtx->bRPLRError = false;
       bReconstructSlice = CheckSliceNeedReconstruct (pNalCur->sNalHeaderExt.uiLayerDqId, kuiTargetLayerDqId);
 
@@ -2170,14 +2170,14 @@
       pCtx->pDec->bIdrFlag = pNalCur->sNalHeaderExt.bIdrFlag;
 
       memcpy (&pLayerInfo.sSliceInLayer.sSliceHeaderExt, pShExt, sizeof (SSliceHeaderExt)); //confirmed_safe_unsafe_usage
-      pLayerInfo.sSliceInLayer.bSliceHeaderExtFlag	= pNalCur->sNalData.sVclNal.bSliceHeaderExtFlag;
-      pLayerInfo.sSliceInLayer.eSliceType			= pSh->eSliceType;
-      pLayerInfo.sSliceInLayer.iLastMbQp			= pSh->iSliceQp;
-      dq_cur->pBitStringAux	= &pNalCur->sNalData.sVclNal.sSliceBitsRead;
+      pLayerInfo.sSliceInLayer.bSliceHeaderExtFlag      = pNalCur->sNalData.sVclNal.bSliceHeaderExtFlag;
+      pLayerInfo.sSliceInLayer.eSliceType               = pSh->eSliceType;
+      pLayerInfo.sSliceInLayer.iLastMbQp                = pSh->iSliceQp;
+      dq_cur->pBitStringAux = &pNalCur->sNalData.sVclNal.sSliceBitsRead;
 
-      uiNalRefIdc	= pNalCur->sNalHeaderExt.sNalUnitHeader.uiNalRefIdc;
+      uiNalRefIdc = pNalCur->sNalHeaderExt.sNalUnitHeader.uiNalRefIdc;
 
-      iPpsId	= pSh->iPpsId;
+      iPpsId = pSh->iPpsId;
 
       pLayerInfo.pPps = pSh->pPps;
       pLayerInfo.pSps = pSh->pSps;
@@ -2191,8 +2191,8 @@
         return GENERATE_ERROR_NO (ERR_LEVEL_SLICE_HEADER, ERR_INFO_FMO_INIT_FAIL);
       }
 
-      bFreshSliceAvailable	= (iCurrIdD != iLastIdD
-                               || iCurrIdQ != iLastIdQ);	// do not need condition of (first_mb == 0) due multiple slices might be disorder
+      bFreshSliceAvailable = (iCurrIdD != iLastIdD
+                               || iCurrIdQ != iLastIdQ);        // do not need condition of (first_mb == 0) due multiple slices might be disorder
 
       WelsDqLayerDecodeStart (pCtx, pNalCur, pLayerInfo.pSps, pLayerInfo.pPps);
 
@@ -2279,15 +2279,15 @@
       fprintf (stderr, "cur_frame : %d\tiCurrIdD : %d\n ",
                dq_cur->sLayerInfo.sSliceInLayer.sSliceHeaderExt.sSliceHeader.iFrameNum, iCurrIdD);
 #endif//#if !CODEC_FOR_TESTBED
-      iLastIdD	= iCurrIdD;
-      iLastIdQ	= iCurrIdQ;
+      iLastIdD = iCurrIdD;
+      iLastIdQ = iCurrIdQ;
 
       //pNalUnitsList overflow.
       ++ iIdx;
       if (iIdx <= iEndIdx) {
-        pNalCur	= pCurAu->pNalUnitsList[iIdx];
+        pNalCur = pCurAu->pNalUnitsList[iIdx];
       } else {
-        pNalCur	= NULL;
+        pNalCur = NULL;
       }
 
       if (pNalCur == NULL ||
@@ -2346,7 +2346,7 @@
 
     // need update frame_num due current frame is well decoded
     if (pCurAu->pNalUnitsList[pCurAu->uiStartPos]->sNalHeaderExt.sNalUnitHeader.uiNalRefIdc > 0)
-      pCtx->iPrevFrameNum	= pSh->iFrameNum;
+      pCtx->iPrevFrameNum = pSh->iFrameNum;
     if (pCtx->bLastHasMmco5)
       pCtx->iPrevFrameNum = 0;
   }
--- a/codec/decoder/core/src/fmo.cpp
+++ b/codec/decoder/core/src/fmo.cpp
@@ -93,7 +93,7 @@
   int32_t i = 0;
   WELS_VERIFY_RETURN_IF (1, (NULL == pFmo || NULL == pPps))
   uiNumSliceGroups = pPps->uiNumSliceGroups;
-  iMbNum			 = pFmo->iCountMbNum;
+  iMbNum = pFmo->iCountMbNum;
   WELS_VERIFY_RETURN_IF (1, (NULL == pFmo->pMbAllocMap || iMbNum <= 0 || kiMbWidth == 0
                              || uiNumSliceGroups >= MAX_SLICEGROUP_IDS))
 
@@ -117,14 +117,14 @@
  */
 static inline int32_t FmoGenerateSliceGroup (PFmo pFmo, const PPps kpPps, const int32_t kiMbWidth,
     const int32_t kiMbHeight) {
-  int32_t iNumMb	= 0;
-  int32_t iErr		= 0;
-  bool	bResolutionChanged = false;
+  int32_t iNumMb = 0;
+  int32_t iErr   = 0;
+  bool bResolutionChanged = false;
 
   // the cases we would not like
   WELS_VERIFY_RETURN_IF (1, (NULL == pFmo || NULL == kpPps))
 
-  iNumMb	= pFmo->iCountMbNum;
+  iNumMb        = pFmo->iCountMbNum;
 
   iNumMb = kiMbWidth * kiMbHeight;
 
@@ -133,15 +133,15 @@
 
 
   WelsFree (pFmo->pMbAllocMap, "_fmo->pMbAllocMap");
-  pFmo->pMbAllocMap	= (uint8_t*)WelsMallocz (iNumMb * sizeof (uint8_t), "_fmo->pMbAllocMap");
-  WELS_VERIFY_RETURN_IF (1, (NULL == pFmo->pMbAllocMap))	// out of memory
+  pFmo->pMbAllocMap = (uint8_t*)WelsMallocz (iNumMb * sizeof (uint8_t), "_fmo->pMbAllocMap");
+  WELS_VERIFY_RETURN_IF (1, (NULL == pFmo->pMbAllocMap)) // out of memory
 
-  pFmo->iCountMbNum	= iNumMb;
+  pFmo->iCountMbNum = iNumMb;
 
   if (kpPps->uiNumSliceGroups < 2 && iNumMb > 0) { // only one slice group, exactly it is single slice based
-    memset (pFmo->pMbAllocMap, 0,  iNumMb * sizeof (int8_t));	// for safe
+    memset (pFmo->pMbAllocMap, 0,  iNumMb * sizeof (int8_t));   // for safe
 
-    pFmo->iSliceGroupCount		= 1;
+    pFmo->iSliceGroupCount = 1;
 
     return 0;
   }
@@ -150,7 +150,7 @@
       || ((int32_t)kpPps->uiNumSliceGroups != pFmo->iSliceGroupCount)) {
     switch (kpPps->uiSliceGroupMapType) {
     case 0:
-      iErr	= FmoGenerateMbAllocMapType0 (pFmo, kpPps);
+      iErr = FmoGenerateMbAllocMapType0 (pFmo, kpPps);
       break;
     case 1:
       iErr = FmoGenerateMbAllocMapType1 (pFmo, kpPps, kiMbWidth);
@@ -161,7 +161,7 @@
     case 5:
     case 6:
       // Reserve for others slice group type
-      iErr	= 1;
+      iErr = 1;
       break;
     default:
       return 1;
@@ -168,9 +168,9 @@
     }
   }
 
-  if (0 == iErr) {	// well now
-    pFmo->iSliceGroupCount	= kpPps->uiNumSliceGroups;
-    pFmo->iSliceGroupType	= kpPps->uiSliceGroupMapType;
+  if (0 == iErr) {      // well now
+    pFmo->iSliceGroupCount = kpPps->uiNumSliceGroups;
+    pFmo->iSliceGroupType  = kpPps->uiSliceGroupMapType;
   }
 
   return iErr;
@@ -213,12 +213,12 @@
       if (NULL != pIter->pMbAllocMap) {
         WelsFree (pIter->pMbAllocMap, "pIter->pMbAllocMap");
 
-        pIter->pMbAllocMap	= NULL;
+        pIter->pMbAllocMap = NULL;
       }
-      pIter->iSliceGroupCount	= 0;
-      pIter->iSliceGroupType	= -1;
-      pIter->iCountMbNum		= 0;
-      pIter->bActiveFlag		= false;
+      pIter->iSliceGroupCount   = 0;
+      pIter->iSliceGroupType    = -1;
+      pIter->iCountMbNum        = 0;
+      pIter->bActiveFlag        = false;
       ++ iFreeNodes;
       if (iFreeNodes >= kiAvail)
         break;
@@ -272,7 +272,7 @@
     } else {
       if (!pFmo->bActiveFlag && *pActiveFmoNum < MAX_PPS_COUNT) {
         ++ (*pActiveFmoNum);
-        pFmo->bActiveFlag	= true;
+        pFmo->bActiveFlag = true;
       }
     }
   }
@@ -289,8 +289,8 @@
  * \return  slice group idc - successful; -1 - failed;
  */
 int32_t FmoMbToSliceGroup (PFmo pFmo, const MB_XY_T kiMbXy) {
-  const int32_t kiMbNum	= pFmo->iCountMbNum;
-  const uint8_t* kpMbMap	= pFmo->pMbAllocMap;
+  const int32_t kiMbNum  = pFmo->iCountMbNum;
+  const uint8_t* kpMbMap = pFmo->pMbAllocMap;
 
   if (kiMbXy < 0 || kiMbXy >= kiMbNum || kpMbMap == NULL)
     return -1;
@@ -307,10 +307,10 @@
  * \return  iNextMb - successful; -1 - failed;
  */
 MB_XY_T FmoNextMb (PFmo pFmo, const MB_XY_T kiMbXy) {
-  const int32_t kiTotalMb			= pFmo->iCountMbNum;
-  const uint8_t* kpMbMap			= pFmo->pMbAllocMap;
-  MB_XY_T iNextMb					= kiMbXy;
-  const uint8_t kuiSliceGroupIdc	= (uint8_t)FmoMbToSliceGroup (pFmo, kiMbXy);
+  const int32_t kiTotalMb               = pFmo->iCountMbNum;
+  const uint8_t* kpMbMap                = pFmo->pMbAllocMap;
+  MB_XY_T iNextMb                       = kiMbXy;
+  const uint8_t kuiSliceGroupIdc        = (uint8_t)FmoMbToSliceGroup (pFmo, kiMbXy);
 
   if (kuiSliceGroupIdc == (uint8_t) (-1))
     return -1;
@@ -318,7 +318,7 @@
   do {
     ++ iNextMb;
     if (iNextMb >= kiTotalMb) {
-      iNextMb	= -1;
+      iNextMb = -1;
       break;
     }
     if (kpMbMap[iNextMb] == kuiSliceGroupIdc) {
--- a/codec/decoder/core/src/get_intra_predictor.cpp
+++ b/codec/decoder/core/src/get_intra_predictor.cpp
@@ -75,10 +75,10 @@
 }
 
 void WelsI4x4LumaPredDc_c (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2	= kiStride << 1;
-  const int32_t kiStride3	= kiStride2 + kiStride;
-  const uint8_t kuiMean	= (pPred[-1] + pPred[-1 + kiStride] + pPred[-1 + kiStride2] + pPred[-1 + kiStride3] +
-                           pPred[-kiStride] + pPred[-kiStride + 1] + pPred[-kiStride + 2] + pPred[-kiStride + 3] + 4) >> 3;
+  const int32_t kiStride2  = kiStride << 1;
+  const int32_t kiStride3  = kiStride2 + kiStride;
+  const uint8_t kuiMean    = (pPred[-1] + pPred[-1 + kiStride] + pPred[-1 + kiStride2] + pPred[-1 + kiStride3] +
+                              pPred[-kiStride] + pPred[-kiStride + 1] + pPred[-kiStride + 2] + pPred[-kiStride + 3] + 4) >> 3;
   const uint32_t kuiMean32 = 0x01010101U * kuiMean;
 
   ST32A4 (pPred            , kuiMean32);
@@ -88,9 +88,9 @@
 }
 
 void WelsI4x4LumaPredDcLeft_c (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2	= kiStride << 1;
-  const int32_t kiStride3	= kiStride2 + kiStride;
-  const uint8_t kuiMean	= (pPred[-1] + pPred[-1 + kiStride] + pPred[-1 + kiStride2] + pPred[-1 + kiStride3] + 2) >> 2;
+  const int32_t kiStride2  = kiStride << 1;
+  const int32_t kiStride3  = kiStride2 + kiStride;
+  const uint8_t kuiMean    = (pPred[-1] + pPred[-1 + kiStride] + pPred[-1 + kiStride2] + pPred[-1 + kiStride3] + 2) >> 2;
   const uint32_t kuiMean32 = 0x01010101U * kuiMean;
 
   ST32A4 (pPred            , kuiMean32);
@@ -100,10 +100,9 @@
 }
 
 void WelsI4x4LumaPredDcTop_c (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2	= kiStride << 1;
-  const int32_t kiStride3	= kiStride2 + kiStride;
-  const uint8_t kuiMean	= (pPred[-kiStride] + pPred[-kiStride + 1] + pPred[-kiStride + 2] + pPred[-kiStride + 3] + 2) >>
-                          2;
+  const int32_t kiStride2  = kiStride << 1;
+  const int32_t kiStride3  = kiStride2 + kiStride;
+  const uint8_t kuiMean    = (pPred[-kiStride] + pPred[-kiStride + 1] + pPred[-kiStride + 2] + pPred[-kiStride + 3] + 2) >> 2;
   const uint32_t kuiMean32 = 0x01010101U * kuiMean;
 
   ST32A4 (pPred            , kuiMean32);
@@ -113,7 +112,7 @@
 }
 
 void WelsI4x4LumaPredDcNA_c (uint8_t* pPred, const int32_t kiStride) {
-  const uint32_t kuiDC32		= 0x80808080U;
+  const uint32_t kuiDC32 = 0x80808080U;
 
   ST32A4 (pPred                             , kuiDC32);
   ST32A4 (pPred + kiStride                  , kuiDC32);
@@ -123,25 +122,25 @@
 
 /*down pLeft*/
 void WelsI4x4LumaPredDDL_c (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2	= kiStride << 1;
-  const int32_t kiStride3	= kiStride + kiStride2;
+  const int32_t kiStride2 = kiStride << 1;
+  const int32_t kiStride3 = kiStride + kiStride2;
   /*get pTop*/
-  uint8_t* ptop			= &pPred[-kiStride];
-  const uint8_t kuiT0		= *ptop;
-  const uint8_t kuiT1		= * (ptop + 1);
-  const uint8_t kuiT2		= * (ptop + 2);
-  const uint8_t kuiT3		= * (ptop + 3);
-  const uint8_t kuiT4		= * (ptop + 4);
-  const uint8_t kuiT5		= * (ptop + 5);
-  const uint8_t kuiT6		= * (ptop + 6);
-  const uint8_t kuiT7		= * (ptop + 7);
-  const uint8_t kuiDDL0	= (2 + kuiT0 + kuiT2 + (kuiT1 << 1)) >> 2;	// kDDL0
-  const uint8_t kuiDDL1	= (2 + kuiT1 + kuiT3 + (kuiT2 << 1)) >> 2;	// kDDL1
-  const uint8_t kuiDDL2	= (2 + kuiT2 + kuiT4 + (kuiT3 << 1)) >> 2;	// kDDL2
-  const uint8_t kuiDDL3	= (2 + kuiT3 + kuiT5 + (kuiT4 << 1)) >> 2;	// kDDL3
-  const uint8_t kuiDDL4	= (2 + kuiT4 + kuiT6 + (kuiT5 << 1)) >> 2;	// kDDL4
-  const uint8_t kuiDDL5	= (2 + kuiT5 + kuiT7 + (kuiT6 << 1)) >> 2;	// kDDL5
-  const uint8_t kuiDDL6	= (2 + kuiT6 + kuiT7 + (kuiT7 << 1)) >> 2;	// kDDL6
+  uint8_t* ptop         = &pPred[-kiStride];
+  const uint8_t kuiT0   = *ptop;
+  const uint8_t kuiT1   = * (ptop + 1);
+  const uint8_t kuiT2   = * (ptop + 2);
+  const uint8_t kuiT3   = * (ptop + 3);
+  const uint8_t kuiT4   = * (ptop + 4);
+  const uint8_t kuiT5   = * (ptop + 5);
+  const uint8_t kuiT6   = * (ptop + 6);
+  const uint8_t kuiT7   = * (ptop + 7);
+  const uint8_t kuiDDL0 = (2 + kuiT0 + kuiT2 + (kuiT1 << 1)) >> 2;      // kDDL0
+  const uint8_t kuiDDL1 = (2 + kuiT1 + kuiT3 + (kuiT2 << 1)) >> 2;      // kDDL1
+  const uint8_t kuiDDL2 = (2 + kuiT2 + kuiT4 + (kuiT3 << 1)) >> 2;      // kDDL2
+  const uint8_t kuiDDL3 = (2 + kuiT3 + kuiT5 + (kuiT4 << 1)) >> 2;      // kDDL3
+  const uint8_t kuiDDL4 = (2 + kuiT4 + kuiT6 + (kuiT5 << 1)) >> 2;      // kDDL4
+  const uint8_t kuiDDL5 = (2 + kuiT5 + kuiT7 + (kuiT6 << 1)) >> 2;      // kDDL5
+  const uint8_t kuiDDL6 = (2 + kuiT6 + kuiT7 + (kuiT7 << 1)) >> 2;      // kDDL6
   const uint8_t kuiList[8] = { kuiDDL0, kuiDDL1, kuiDDL2, kuiDDL3, kuiDDL4, kuiDDL5, kuiDDL6, 0 };
 
   ST32A4 (pPred            , LD32 (kuiList));
@@ -152,22 +151,22 @@
 
 /*down pLeft*/
 void WelsI4x4LumaPredDDLTop_c (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2	= kiStride << 1;
-  const int32_t kiStride3	= kiStride + kiStride2;
+  const int32_t kiStride2 = kiStride << 1;
+  const int32_t kiStride3 = kiStride + kiStride2;
   /*get pTop*/
-  uint8_t* ptop			= &pPred[-kiStride];
-  const uint8_t kuiT0		= *ptop;
-  const uint8_t kuiT1		= * (ptop + 1);
-  const uint8_t kuiT2		= * (ptop + 2);
-  const uint8_t kuiT3		= * (ptop + 3);
-  const uint16_t kuiT01	= 1 + kuiT0 + kuiT1;
-  const uint16_t kuiT12	= 1 + kuiT1 + kuiT2;
-  const uint16_t kuiT23	= 1 + kuiT2 + kuiT3;
-  const uint16_t kuiT33	= 1 + (kuiT3 << 1);
-  const uint8_t kuiDLT0	= (kuiT01 + kuiT12) >> 2;	// kDLT0
-  const uint8_t kuiDLT1	= (kuiT12 + kuiT23) >> 2;	// kDLT1
-  const uint8_t kuiDLT2	= (kuiT23 + kuiT33) >> 2;	// kDLT2
-  const uint8_t kuiDLT3	= kuiT33 >> 1;			// kDLT3
+  uint8_t* ptop         = &pPred[-kiStride];
+  const uint8_t kuiT0   = *ptop;
+  const uint8_t kuiT1   = * (ptop + 1);
+  const uint8_t kuiT2   = * (ptop + 2);
+  const uint8_t kuiT3   = * (ptop + 3);
+  const uint16_t kuiT01 = 1 + kuiT0 + kuiT1;
+  const uint16_t kuiT12 = 1 + kuiT1 + kuiT2;
+  const uint16_t kuiT23 = 1 + kuiT2 + kuiT3;
+  const uint16_t kuiT33 = 1 + (kuiT3 << 1);
+  const uint8_t kuiDLT0 = (kuiT01 + kuiT12) >> 2;       // kDLT0
+  const uint8_t kuiDLT1 = (kuiT12 + kuiT23) >> 2;       // kDLT1
+  const uint8_t kuiDLT2 = (kuiT23 + kuiT33) >> 2;       // kDLT2
+  const uint8_t kuiDLT3 = kuiT33 >> 1;                  // kDLT3
   const uint8_t kuiList[8] = { kuiDLT0, kuiDLT1, kuiDLT2, kuiDLT3, kuiDLT3, kuiDLT3, kuiDLT3 , kuiDLT3 };
 
   ST32A4 (pPred,             LD32 (kuiList));
@@ -179,36 +178,36 @@
 
 /*down right*/
 void WelsI4x4LumaPredDDR_c (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2	= kiStride << 1;
-  const int32_t kiStride3	= kiStride + kiStride2;
-  uint8_t* ptopleft		= &pPred[- (kiStride + 1)];
-  uint8_t* pleft			= &pPred[-1];
-  const uint8_t kuiLT		= *ptopleft;
+  const int32_t kiStride2 = kiStride << 1;
+  const int32_t kiStride3 = kiStride + kiStride2;
+  uint8_t* ptopleft       = &pPred[- (kiStride + 1)];
+  uint8_t* pleft          = &pPred[-1];
+  const uint8_t kuiLT     = *ptopleft;
   /*get pLeft and pTop*/
-  const uint8_t kuiL0		= *pleft;
-  const uint8_t kuiL1		= * (pleft + kiStride);
-  const uint8_t kuiL2		= * (pleft + kiStride2);
-  const uint8_t kuiL3		= * (pleft + kiStride3);
-  const uint8_t kuiT0		= * (ptopleft + 1);
-  const uint8_t kuiT1		= * (ptopleft + 2);
-  const uint8_t kuiT2		= * (ptopleft + 3);
-  const uint8_t kuiT3		= * (ptopleft + 4);
-  const uint16_t kuiTL0	= 1 + kuiLT + kuiL0;
-  const uint16_t kuiLT0	= 1 + kuiLT + kuiT0;
-  const uint16_t kuiT01	= 1 + kuiT0 + kuiT1;
-  const uint16_t kuiT12	= 1 + kuiT1 + kuiT2;
-  const uint16_t kuiT23	= 1 + kuiT2 + kuiT3;
-  const uint16_t kuiL01	= 1 + kuiL0 + kuiL1;
-  const uint16_t kuiL12	= 1 + kuiL1 + kuiL2;
-  const uint16_t kuiL23	= 1 + kuiL2 + kuiL3;
-  const uint8_t kuiDDR0	= (kuiTL0 + kuiLT0) >> 2;	// kuiDDR0
-  const uint8_t kuiDDR1	= (kuiLT0 + kuiT01) >> 2;	// kuiDDR1
-  const uint8_t kuiDDR2	= (kuiT01 + kuiT12) >> 2;	// kuiDDR2
-  const uint8_t kuiDDR3	= (kuiT12 + kuiT23) >> 2;	// kuiDDR3
-  const uint8_t kuiDDR4	= (kuiTL0 + kuiL01) >> 2;	// kuiDDR4
-  const uint8_t kuiDDR5	= (kuiL01 + kuiL12) >> 2;	// kuiDDR5
-  const uint8_t kuiDDR6	= (kuiL12 + kuiL23) >> 2;	// kuiDDR6
-  const uint8_t kuiList[8] = { kuiDDR6, kuiDDR5, kuiDDR4, kuiDDR0, kuiDDR1, kuiDDR2, kuiDDR3, 0	};
+  const uint8_t kuiL0   = *pleft;
+  const uint8_t kuiL1   = * (pleft + kiStride);
+  const uint8_t kuiL2   = * (pleft + kiStride2);
+  const uint8_t kuiL3   = * (pleft + kiStride3);
+  const uint8_t kuiT0   = * (ptopleft + 1);
+  const uint8_t kuiT1   = * (ptopleft + 2);
+  const uint8_t kuiT2   = * (ptopleft + 3);
+  const uint8_t kuiT3   = * (ptopleft + 4);
+  const uint16_t kuiTL0 = 1 + kuiLT + kuiL0;
+  const uint16_t kuiLT0 = 1 + kuiLT + kuiT0;
+  const uint16_t kuiT01 = 1 + kuiT0 + kuiT1;
+  const uint16_t kuiT12 = 1 + kuiT1 + kuiT2;
+  const uint16_t kuiT23 = 1 + kuiT2 + kuiT3;
+  const uint16_t kuiL01 = 1 + kuiL0 + kuiL1;
+  const uint16_t kuiL12 = 1 + kuiL1 + kuiL2;
+  const uint16_t kuiL23 = 1 + kuiL2 + kuiL3;
+  const uint8_t kuiDDR0 = (kuiTL0 + kuiLT0) >> 2;       // kuiDDR0
+  const uint8_t kuiDDR1 = (kuiLT0 + kuiT01) >> 2;       // kuiDDR1
+  const uint8_t kuiDDR2 = (kuiT01 + kuiT12) >> 2;       // kuiDDR2
+  const uint8_t kuiDDR3 = (kuiT12 + kuiT23) >> 2;       // kuiDDR3
+  const uint8_t kuiDDR4 = (kuiTL0 + kuiL01) >> 2;       // kuiDDR4
+  const uint8_t kuiDDR5 = (kuiL01 + kuiL12) >> 2;       // kuiDDR5
+  const uint8_t kuiDDR6 = (kuiL12 + kuiL23) >> 2;       // kuiDDR6
+  const uint8_t kuiList[8] = { kuiDDR6, kuiDDR5, kuiDDR4, kuiDDR0, kuiDDR1, kuiDDR2, kuiDDR3, 0 };
 
   ST32A4 (pPred            , LD32 (kuiList + 3));
   ST32A4 (pPred + kiStride , LD32 (kuiList + 2));
@@ -219,34 +218,34 @@
 
 /*vertical pLeft*/
 void WelsI4x4LumaPredVL_c (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2	= kiStride << 1;
-  const int32_t kiStride3	= kiStride + kiStride2;
-  uint8_t* ptopleft		= &pPred[- (kiStride + 1)];
+  const int32_t kiStride2       = kiStride << 1;
+  const int32_t kiStride3       = kiStride + kiStride2;
+  uint8_t* ptopleft             = &pPred[- (kiStride + 1)];
   /*get pTop*/
-  const uint8_t kuiT0		    = * (ptopleft + 1);
-  const uint8_t kuiT1		    = * (ptopleft + 2);
-  const uint8_t kuiT2		    = * (ptopleft + 3);
-  const uint8_t kuiT3		    = * (ptopleft + 4);
-  const uint8_t kuiT4		    = * (ptopleft + 5);
-  const uint8_t kuiT5		    = * (ptopleft + 6);
-  const uint8_t kuiT6		    = * (ptopleft + 7);
-  const uint16_t kuiT01		= 1 + kuiT0 + kuiT1;
-  const uint16_t kuiT12		= 1 + kuiT1 + kuiT2;
-  const uint16_t kuiT23		= 1 + kuiT2 + kuiT3;
-  const uint16_t kuiT34		= 1 + kuiT3 + kuiT4;
-  const uint16_t kuiT45		= 1 + kuiT4 + kuiT5;
-  const uint16_t kuiT56		= 1 + kuiT5 + kuiT6;
-  const uint8_t kuiVL0		= kuiT01 >> 1;			// kuiVL0
-  const uint8_t kuiVL1		= kuiT12 >> 1;			// kuiVL1
-  const uint8_t kuiVL2		= kuiT23 >> 1;			// kuiVL2
-  const uint8_t kuiVL3		= kuiT34 >> 1;			// kuiVL3
-  const uint8_t kuiVL4		= kuiT45 >> 1;			// kuiVL4
-  const uint8_t kuiVL5		= (kuiT01 + kuiT12) >> 2;	// kuiVL5
-  const uint8_t kuiVL6		= (kuiT12 + kuiT23) >> 2;	// kuiVL6
-  const uint8_t kuiVL7		= (kuiT23 + kuiT34) >> 2;	// kuiVL7
-  const uint8_t kuiVL8		= (kuiT34 + kuiT45) >> 2;	// kuiVL8
-  const uint8_t kuiVL9		= (kuiT45 + kuiT56) >> 2;	// kuiVL9
-  const uint8_t kuiList[10]	= { kuiVL0, kuiVL1, kuiVL2, kuiVL3, kuiVL4, kuiVL5, kuiVL6, kuiVL7, kuiVL8, kuiVL9 };
+  const uint8_t kuiT0           = * (ptopleft + 1);
+  const uint8_t kuiT1           = * (ptopleft + 2);
+  const uint8_t kuiT2           = * (ptopleft + 3);
+  const uint8_t kuiT3           = * (ptopleft + 4);
+  const uint8_t kuiT4           = * (ptopleft + 5);
+  const uint8_t kuiT5           = * (ptopleft + 6);
+  const uint8_t kuiT6           = * (ptopleft + 7);
+  const uint16_t kuiT01         = 1 + kuiT0 + kuiT1;
+  const uint16_t kuiT12         = 1 + kuiT1 + kuiT2;
+  const uint16_t kuiT23         = 1 + kuiT2 + kuiT3;
+  const uint16_t kuiT34         = 1 + kuiT3 + kuiT4;
+  const uint16_t kuiT45         = 1 + kuiT4 + kuiT5;
+  const uint16_t kuiT56         = 1 + kuiT5 + kuiT6;
+  const uint8_t kuiVL0          = kuiT01 >> 1;                  // kuiVL0
+  const uint8_t kuiVL1          = kuiT12 >> 1;                  // kuiVL1
+  const uint8_t kuiVL2          = kuiT23 >> 1;                  // kuiVL2
+  const uint8_t kuiVL3          = kuiT34 >> 1;                  // kuiVL3
+  const uint8_t kuiVL4          = kuiT45 >> 1;                  // kuiVL4
+  const uint8_t kuiVL5          = (kuiT01 + kuiT12) >> 2;       // kuiVL5
+  const uint8_t kuiVL6          = (kuiT12 + kuiT23) >> 2;       // kuiVL6
+  const uint8_t kuiVL7          = (kuiT23 + kuiT34) >> 2;       // kuiVL7
+  const uint8_t kuiVL8          = (kuiT34 + kuiT45) >> 2;       // kuiVL8
+  const uint8_t kuiVL9          = (kuiT45 + kuiT56) >> 2;       // kuiVL9
+  const uint8_t kuiList[10]     = { kuiVL0, kuiVL1, kuiVL2, kuiVL3, kuiVL4, kuiVL5, kuiVL6, kuiVL7, kuiVL8, kuiVL9 };
 
   ST32A4 (pPred,             LD32 (kuiList));
   ST32A4 (pPred + kiStride,  LD32 (kuiList + 5));
@@ -256,27 +255,27 @@
 
 /*vertical pLeft*/
 void WelsI4x4LumaPredVLTop_c (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2	    = kiStride << 1;
-  const int32_t kiStride3	    = kiStride + kiStride2;
-  uint8_t* ptopleft		    = &pPred[- (kiStride + 1)];
+  const int32_t kiStride2       = kiStride << 1;
+  const int32_t kiStride3       = kiStride + kiStride2;
+  uint8_t* ptopleft             = &pPred[- (kiStride + 1)];
   /*get pTop*/
-  const uint8_t kuiT0		    = * (ptopleft + 1);
-  const uint8_t kuiT1		    = * (ptopleft + 2);
-  const uint8_t kuiT2		    = * (ptopleft + 3);
-  const uint8_t kuiT3		    = * (ptopleft + 4);
-  const uint16_t kuiT01		= 1 + kuiT0 + kuiT1;
-  const uint16_t kuiT12		= 1 + kuiT1 + kuiT2;
-  const uint16_t kuiT23		= 1 + kuiT2 + kuiT3;
-  const uint16_t kuiT33		= 1 + (kuiT3 << 1);
-  const uint8_t kuiVL0		= kuiT01 >> 1;
-  const uint8_t kuiVL1		= kuiT12 >> 1;
-  const uint8_t kuiVL2		= kuiT23 >> 1;
-  const uint8_t kuiVL3		= kuiT33 >> 1;
-  const uint8_t kuiVL4		= (kuiT01 + kuiT12) >> 2;
-  const uint8_t kuiVL5		= (kuiT12 + kuiT23) >> 2;
-  const uint8_t kuiVL6		= (kuiT23 + kuiT33) >> 2;
-  const uint8_t kuiVL7		= kuiVL3;
-  const uint8_t kuiList[10]	= { kuiVL0, kuiVL1, kuiVL2, kuiVL3, kuiVL3, kuiVL4, kuiVL5, kuiVL6, kuiVL7, kuiVL7 };
+  const uint8_t kuiT0           = * (ptopleft + 1);
+  const uint8_t kuiT1           = * (ptopleft + 2);
+  const uint8_t kuiT2           = * (ptopleft + 3);
+  const uint8_t kuiT3           = * (ptopleft + 4);
+  const uint16_t kuiT01         = 1 + kuiT0 + kuiT1;
+  const uint16_t kuiT12         = 1 + kuiT1 + kuiT2;
+  const uint16_t kuiT23         = 1 + kuiT2 + kuiT3;
+  const uint16_t kuiT33         = 1 + (kuiT3 << 1);
+  const uint8_t kuiVL0          = kuiT01 >> 1;
+  const uint8_t kuiVL1          = kuiT12 >> 1;
+  const uint8_t kuiVL2          = kuiT23 >> 1;
+  const uint8_t kuiVL3          = kuiT33 >> 1;
+  const uint8_t kuiVL4          = (kuiT01 + kuiT12) >> 2;
+  const uint8_t kuiVL5          = (kuiT12 + kuiT23) >> 2;
+  const uint8_t kuiVL6          = (kuiT23 + kuiT33) >> 2;
+  const uint8_t kuiVL7          = kuiVL3;
+  const uint8_t kuiList[10]     = { kuiVL0, kuiVL1, kuiVL2, kuiVL3, kuiVL3, kuiVL4, kuiVL5, kuiVL6, kuiVL7, kuiVL7 };
 
   ST32A4 (pPred            , LD32 (kuiList));
   ST32A4 (pPred + kiStride , LD32 (kuiList + 5));
@@ -287,28 +286,28 @@
 
 /*vertical right*/
 void WelsI4x4LumaPredVR_c (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2	    = kiStride << 1;
-  const int32_t kiStride3	    = kiStride + kiStride2;
-  const uint8_t kuiLT		    = pPred[-kiStride - 1];
+  const int32_t kiStride2       = kiStride << 1;
+  const int32_t kiStride3       = kiStride + kiStride2;
+  const uint8_t kuiLT           = pPred[-kiStride - 1];
   /*get pLeft and pTop*/
-  const uint8_t kuiL0		    = pPred[         -1];
-  const uint8_t kuiL1		    = pPred[kiStride - 1];
-  const uint8_t kuiL2		    = pPred[kiStride2 - 1];
-  const uint8_t kuiT0		    = pPred[ -kiStride];
-  const uint8_t kuiT1		    = pPred[1 - kiStride];
-  const uint8_t kuiT2		    = pPred[2 - kiStride];
-  const uint8_t kuiT3		    = pPred[3 - kiStride];
-  const uint8_t kuiVR0		= (1 + kuiLT + kuiT0) >> 1;	// kuiVR0
-  const uint8_t kuiVR1		= (1 + kuiT0 + kuiT1) >> 1;	// kuiVR1
-  const uint8_t kuiVR2		= (1 + kuiT1 + kuiT2) >> 1;	// kuiVR2
-  const uint8_t kuiVR3		= (1 + kuiT2 + kuiT3) >> 1;	// kuiVR3
-  const uint8_t kuiVR4		= (2 + kuiL0 + (kuiLT << 1) + kuiT0) >> 2;	// kuiVR4
-  const uint8_t kuiVR5		= (2 + kuiLT + (kuiT0 << 1) + kuiT1) >> 2;	// kuiVR5
-  const uint8_t kuiVR6		= (2 + kuiT0 + (kuiT1 << 1) + kuiT2) >> 2;	// kuiVR6
-  const uint8_t kuiVR7		= (2 + kuiT1 + (kuiT2 << 1) + kuiT3) >> 2;	// kuiVR7
-  const uint8_t kuiVR8		= (2 + kuiLT + (kuiL0 << 1) + kuiL1) >> 2;	// kuiVR8
-  const uint8_t kuiVR9		= (2 + kuiL0 + (kuiL1 << 1) + kuiL2) >> 2;	// kuiVR9
-  const uint8_t kuiList[10]	= { kuiVR8, kuiVR0, kuiVR1, kuiVR2, kuiVR3, kuiVR9, kuiVR4, kuiVR5, kuiVR6, kuiVR7 };
+  const uint8_t kuiL0           = pPred[          - 1];
+  const uint8_t kuiL1           = pPred[kiStride  - 1];
+  const uint8_t kuiL2           = pPred[kiStride2 - 1];
+  const uint8_t kuiT0           = pPred[ -kiStride];
+  const uint8_t kuiT1           = pPred[1 - kiStride];
+  const uint8_t kuiT2           = pPred[2 - kiStride];
+  const uint8_t kuiT3           = pPred[3 - kiStride];
+  const uint8_t kuiVR0          = (1 + kuiLT + kuiT0) >> 1;     // kuiVR0
+  const uint8_t kuiVR1          = (1 + kuiT0 + kuiT1) >> 1;     // kuiVR1
+  const uint8_t kuiVR2          = (1 + kuiT1 + kuiT2) >> 1;     // kuiVR2
+  const uint8_t kuiVR3          = (1 + kuiT2 + kuiT3) >> 1;     // kuiVR3
+  const uint8_t kuiVR4          = (2 + kuiL0 + (kuiLT << 1) + kuiT0) >> 2;      // kuiVR4
+  const uint8_t kuiVR5          = (2 + kuiLT + (kuiT0 << 1) + kuiT1) >> 2;      // kuiVR5
+  const uint8_t kuiVR6          = (2 + kuiT0 + (kuiT1 << 1) + kuiT2) >> 2;      // kuiVR6
+  const uint8_t kuiVR7          = (2 + kuiT1 + (kuiT2 << 1) + kuiT3) >> 2;      // kuiVR7
+  const uint8_t kuiVR8          = (2 + kuiLT + (kuiL0 << 1) + kuiL1) >> 2;      // kuiVR8
+  const uint8_t kuiVR9          = (2 + kuiL0 + (kuiL1 << 1) + kuiL2) >> 2;      // kuiVR9
+  const uint8_t kuiList[10]     = { kuiVR8, kuiVR0, kuiVR1, kuiVR2, kuiVR3, kuiVR9, kuiVR4, kuiVR5, kuiVR6, kuiVR7 };
 
   ST32A4 (pPred            , LD32 (kuiList + 1));
   ST32A4 (pPred + kiStride , LD32 (kuiList + 6));
@@ -318,23 +317,23 @@
 
 /*horizontal up*/
 void WelsI4x4LumaPredHU_c (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2	    = kiStride << 1;
-  const int32_t kiStride3	    = kiStride + kiStride2;
+  const int32_t kiStride2       = kiStride << 1;
+  const int32_t kiStride3       = kiStride + kiStride2;
   /*get pLeft*/
-  const uint8_t kuiL0		    = pPred[         -1];
-  const uint8_t kuiL1		    = pPred[kiStride - 1];
-  const uint8_t kuiL2		    = pPred[kiStride2 - 1];
-  const uint8_t kuiL3		    = pPred[kiStride3 - 1];
-  const uint16_t kuiL01		= 1 + kuiL0 + kuiL1;
-  const uint16_t kuiL12		= 1 + kuiL1 + kuiL2;
-  const uint16_t kuiL23		= 1 + kuiL2 + kuiL3;
-  const uint8_t kuiHU0		= kuiL01 >> 1;
-  const uint8_t kuiHU1		= (kuiL01 + kuiL12) >> 2;
-  const uint8_t kuiHU2		= kuiL12 >> 1;
-  const uint8_t kuiHU3		= (kuiL12 + kuiL23) >> 2;
-  const uint8_t kuiHU4		= kuiL23 >> 1;
-  const uint8_t kuiHU5		= (1 + kuiL23 + (kuiL3 << 1)) >> 2;
-  const uint8_t kuiList[10]	= { kuiHU0, kuiHU1, kuiHU2, kuiHU3, kuiHU4, kuiHU5, kuiL3, kuiL3, kuiL3, kuiL3 };
+  const uint8_t kuiL0           = pPred[          - 1];
+  const uint8_t kuiL1           = pPred[kiStride  - 1];
+  const uint8_t kuiL2           = pPred[kiStride2 - 1];
+  const uint8_t kuiL3           = pPred[kiStride3 - 1];
+  const uint16_t kuiL01         = 1 + kuiL0 + kuiL1;
+  const uint16_t kuiL12         = 1 + kuiL1 + kuiL2;
+  const uint16_t kuiL23         = 1 + kuiL2 + kuiL3;
+  const uint8_t kuiHU0          = kuiL01 >> 1;
+  const uint8_t kuiHU1          = (kuiL01 + kuiL12) >> 2;
+  const uint8_t kuiHU2          = kuiL12 >> 1;
+  const uint8_t kuiHU3          = (kuiL12 + kuiL23) >> 2;
+  const uint8_t kuiHU4          = kuiL23 >> 1;
+  const uint8_t kuiHU5          = (1 + kuiL23 + (kuiL3 << 1)) >> 2;
+  const uint8_t kuiList[10]     = { kuiHU0, kuiHU1, kuiHU2, kuiHU3, kuiHU4, kuiHU5, kuiL3, kuiL3, kuiL3, kuiL3 };
 
   ST32A4 (pPred            , LD32 (kuiList));
   ST32A4 (pPred + kiStride , LD32 (kuiList + 2));
@@ -344,35 +343,35 @@
 
 /*horizontal down*/
 void WelsI4x4LumaPredHD_c (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2 	= kiStride << 1;
-  const int32_t kiStride3	    = kiStride + kiStride2;
-  const uint8_t kuiLT		    = pPred[- (kiStride + 1)];
+  const int32_t kiStride2       = kiStride << 1;
+  const int32_t kiStride3       = kiStride + kiStride2;
+  const uint8_t kuiLT           = pPred[- (kiStride + 1)];
   /*get pLeft and pTop*/
-  const uint8_t kuiL0		    = pPred[-1          ];
-  const uint8_t kuiL1		    = pPred[-1 + kiStride ];
-  const uint8_t kuiL2		    = pPred[-1 + kiStride2];
-  const uint8_t kuiL3		    = pPred[-1 + kiStride3];
-  const uint8_t kuiT0		    = pPred[-kiStride   ];
-  const uint8_t kuiT1		    = pPred[-kiStride + 1 ];
-  const uint8_t kuiT2		    = pPred[-kiStride + 2 ];
-  const uint16_t kuiTL0		= 1 + kuiLT + kuiL0;
-  const uint16_t kuiLT0		= 1 + kuiLT + kuiT0;
-  const uint16_t kuiT01		= 1 + kuiT0 + kuiT1;
-  const uint16_t kuiT12		= 1 + kuiT1 + kuiT2;
-  const uint16_t kuiL01		= 1 + kuiL0 + kuiL1;
-  const uint16_t kuiL12		= 1 + kuiL1 + kuiL2;
-  const uint16_t kuiL23		= 1 + kuiL2 + kuiL3;
-  const uint8_t kuiHD0		= kuiTL0 >> 1;
-  const uint8_t kuiHD1		= (kuiTL0 + kuiLT0) >> 2;
-  const uint8_t kuiHD2		= (kuiLT0 + kuiT01) >> 2;
-  const uint8_t kuiHD3		= (kuiT01 + kuiT12) >> 2;
-  const uint8_t kuiHD4		= kuiL01 >> 1;
-  const uint8_t kuiHD5		= (kuiTL0 + kuiL01) >> 2;
-  const uint8_t kuiHD6		= kuiL12 >> 1;
-  const uint8_t kuiHD7		= (kuiL01 + kuiL12) >> 2;
-  const uint8_t kuiHD8		= kuiL23 >> 1;
-  const uint8_t kuiHD9	    = (kuiL12 + kuiL23) >> 2;
-  const uint8_t kuiList[10]	= { kuiHD8, kuiHD9, kuiHD6, kuiHD7, kuiHD4, kuiHD5, kuiHD0, kuiHD1, kuiHD2, kuiHD3 };
+  const uint8_t kuiL0           = pPred[-1            ];
+  const uint8_t kuiL1           = pPred[-1 + kiStride ];
+  const uint8_t kuiL2           = pPred[-1 + kiStride2];
+  const uint8_t kuiL3           = pPred[-1 + kiStride3];
+  const uint8_t kuiT0           = pPred[-kiStride     ];
+  const uint8_t kuiT1           = pPred[-kiStride + 1 ];
+  const uint8_t kuiT2           = pPred[-kiStride + 2 ];
+  const uint16_t kuiTL0         = 1 + kuiLT + kuiL0;
+  const uint16_t kuiLT0         = 1 + kuiLT + kuiT0;
+  const uint16_t kuiT01         = 1 + kuiT0 + kuiT1;
+  const uint16_t kuiT12         = 1 + kuiT1 + kuiT2;
+  const uint16_t kuiL01         = 1 + kuiL0 + kuiL1;
+  const uint16_t kuiL12         = 1 + kuiL1 + kuiL2;
+  const uint16_t kuiL23         = 1 + kuiL2 + kuiL3;
+  const uint8_t kuiHD0          = kuiTL0 >> 1;
+  const uint8_t kuiHD1          = (kuiTL0 + kuiLT0) >> 2;
+  const uint8_t kuiHD2          = (kuiLT0 + kuiT01) >> 2;
+  const uint8_t kuiHD3          = (kuiT01 + kuiT12) >> 2;
+  const uint8_t kuiHD4          = kuiL01 >> 1;
+  const uint8_t kuiHD5          = (kuiTL0 + kuiL01) >> 2;
+  const uint8_t kuiHD6          = kuiL12 >> 1;
+  const uint8_t kuiHD7          = (kuiL01 + kuiL12) >> 2;
+  const uint8_t kuiHD8          = kuiL23 >> 1;
+  const uint8_t kuiHD9          = (kuiL12 + kuiL23) >> 2;
+  const uint8_t kuiList[10]     = { kuiHD8, kuiHD9, kuiHD6, kuiHD7, kuiHD4, kuiHD5, kuiHD0, kuiHD1, kuiHD2, kuiHD3 };
 
   ST32A4 (pPred            , LD32 (kuiList + 6));
   ST32A4 (pPred + kiStride , LD32 (kuiList + 4));
@@ -535,7 +534,7 @@
 
 void WelsI8x8LumaPredDcNA_c (uint8_t* pPred, const int32_t kiStride, bool bTLAvail, bool bTRAvail) {
   // for normal 8 bit depth, 8-94
-  const uint64_t kuiDC64		= 0x8080808080808080ULL;
+  const uint64_t kuiDC64 = 0x8080808080808080ULL;
 
   int32_t iStride[8];
   int32_t i;
@@ -882,8 +881,8 @@
 
 
 void WelsIChromaPredV_c (uint8_t* pPred, const int32_t kiStride) {
-  const uint64_t kuiVal64	= LD64A8 (&pPred[-kiStride]);
-  const int32_t kiStride2	= kiStride  << 1;
+  const uint64_t kuiVal64 = LD64A8 (&pPred[-kiStride]);
+  const int32_t kiStride2 = kiStride  << 1;
   const int32_t kiStride4 = kiStride2 << 1;
 
   ST64A8 (pPred                        , kuiVal64);
@@ -901,8 +900,8 @@
   uint8_t i = 7;
 
   do {
-    const uint8_t kuiVal8	= pPred[iTmp - 1];
-    const uint64_t kuiVal64	= 0x0101010101010101ULL * kuiVal8;
+    const uint8_t kuiVal8   = pPred[iTmp - 1];
+    const uint64_t kuiVal64 = 0x0101010101010101ULL * kuiVal8;
 
     ST64A8 (pPred + iTmp, kuiVal64);
 
@@ -938,25 +937,25 @@
 
 
 void WelsIChromaPredDc_c (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiL1		= kiStride - 1;
-  const int32_t kiL2		= kiL1 + kiStride;
-  const int32_t kiL3		= kiL2 + kiStride;
-  const int32_t kiL4		= kiL3 + kiStride;
-  const int32_t kiL5		= kiL4 + kiStride;
-  const int32_t kiL6		= kiL5 + kiStride;
-  const int32_t kiL7		= kiL6 + kiStride;
+  const int32_t kiL1            = kiStride - 1;
+  const int32_t kiL2            = kiL1 + kiStride;
+  const int32_t kiL3            = kiL2 + kiStride;
+  const int32_t kiL4            = kiL3 + kiStride;
+  const int32_t kiL5            = kiL4 + kiStride;
+  const int32_t kiL6            = kiL5 + kiStride;
+  const int32_t kiL7            = kiL6 + kiStride;
   /*caculate the kMean value*/
-  const uint8_t kuiM1		= (pPred[-kiStride] + pPred[1 - kiStride] + pPred[2 - kiStride] + pPred[3 - kiStride] +
-                           pPred[-1] + pPred[kiL1] + pPred[kiL2] + pPred[kiL3] + 4) >> 3 ;
-  const uint32_t kuiSum2	= pPred[4 - kiStride] + pPred[5 - kiStride] + pPred[6 - kiStride] + pPred[7 - kiStride];
-  const uint32_t kuiSum3	= pPred[kiL4] + pPred[kiL5] + pPred[kiL6] + pPred[kiL7];
-  const uint8_t kuiM2		= (kuiSum2 + 2) >> 2;
-  const uint8_t kuiM3		= (kuiSum3 + 2) >> 2;
-  const uint8_t kuiM4		= (kuiSum2 + kuiSum3 + 4) >> 3;
-  const uint8_t kuiMUP[8]	= {kuiM1, kuiM1, kuiM1, kuiM1, kuiM2, kuiM2, kuiM2, kuiM2};
-  const uint8_t kuiMDown[8]	= {kuiM3, kuiM3, kuiM3, kuiM3, kuiM4, kuiM4, kuiM4, kuiM4};
-  const uint64_t kuiUP64		= LD64 (kuiMUP);
-  const uint64_t kuiDN64		= LD64 (kuiMDown);
+  const uint8_t kuiM1           = (pPred[-kiStride] + pPred[1 - kiStride] + pPred[2 - kiStride] + pPred[3 - kiStride] +
+                                   pPred[-1] + pPred[kiL1] + pPred[kiL2] + pPred[kiL3] + 4) >> 3 ;
+  const uint32_t kuiSum2        = pPred[4 - kiStride] + pPred[5 - kiStride] + pPred[6 - kiStride] + pPred[7 - kiStride];
+  const uint32_t kuiSum3        = pPred[kiL4] + pPred[kiL5] + pPred[kiL6] + pPred[kiL7];
+  const uint8_t kuiM2           = (kuiSum2 + 2) >> 2;
+  const uint8_t kuiM3           = (kuiSum3 + 2) >> 2;
+  const uint8_t kuiM4           = (kuiSum2 + kuiSum3 + 4) >> 3;
+  const uint8_t kuiMUP[8]       = {kuiM1, kuiM1, kuiM1, kuiM1, kuiM2, kuiM2, kuiM2, kuiM2};
+  const uint8_t kuiMDown[8]     = {kuiM3, kuiM3, kuiM3, kuiM3, kuiM4, kuiM4, kuiM4, kuiM4};
+  const uint64_t kuiUP64        = LD64 (kuiMUP);
+  const uint64_t kuiDN64        = LD64 (kuiMDown);
 
   ST64A8 (pPred       , kuiUP64);
   ST64A8 (pPred + kiL1 + 1, kuiUP64);
@@ -969,13 +968,13 @@
 }
 
 void WelsIChromaPredDcLeft_c (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiL1	=   -1 + kiStride;
-  const int32_t kiL2	= kiL1 + kiStride;
-  const int32_t kiL3	= kiL2 + kiStride;
-  const int32_t kiL4	= kiL3 + kiStride;
-  const int32_t kiL5	= kiL4 + kiStride;
-  const int32_t kiL6	= kiL5 + kiStride;
-  const int32_t kiL7	= kiL6 + kiStride;
+  const int32_t kiL1    =   -1 + kiStride;
+  const int32_t kiL2    = kiL1 + kiStride;
+  const int32_t kiL3    = kiL2 + kiStride;
+  const int32_t kiL4    = kiL3 + kiStride;
+  const int32_t kiL5    = kiL4 + kiStride;
+  const int32_t kiL6    = kiL5 + kiStride;
+  const int32_t kiL7    = kiL6 + kiStride;
   /*caculate the kMean value*/
   const uint8_t kuiMUP   = (pPred[-1] + pPred[kiL1] + pPred[kiL2] + pPred[kiL3] + 2) >> 2 ;
   const uint8_t kuiMDown = (pPred[kiL4] + pPred[kiL5] + pPred[kiL6] + pPred[kiL7] + 2) >> 2;
@@ -993,12 +992,11 @@
 }
 
 void WelsIChromaPredDcTop_c (uint8_t* pPred, const int32_t kiStride) {
-  int32_t iTmp			= (kiStride << 3) - kiStride;
+  int32_t iTmp          = (kiStride << 3) - kiStride;
   /*caculate the kMean value*/
-  const uint8_t kuiM1	    = (pPred[-kiStride] + pPred[1 - kiStride] + pPred[2 - kiStride] + pPred[3 - kiStride] + 2) >> 2;
-  const uint8_t kuiM2	    = (pPred[4 - kiStride] + pPred[5 - kiStride] + pPred[6 - kiStride] + pPred[7 - kiStride] + 2) >>
-                            2;
-  const uint8_t kuiM[8]	= {kuiM1, kuiM1, kuiM1, kuiM1, kuiM2, kuiM2, kuiM2, kuiM2};
+  const uint8_t kuiM1   = (pPred[-kiStride] + pPred[1 - kiStride] + pPred[2 - kiStride] + pPred[3 - kiStride] + 2) >> 2;
+  const uint8_t kuiM2   = (pPred[4 - kiStride] + pPred[5 - kiStride] + pPred[6 - kiStride] + pPred[7 - kiStride] + 2) >> 2;
+  const uint8_t kuiM[8] = {kuiM1, kuiM1, kuiM1, kuiM1, kuiM2, kuiM2, kuiM2, kuiM2};
 
   uint8_t i = 7;
 
@@ -1022,13 +1020,13 @@
 }
 
 void WelsI16x16LumaPredV_c (uint8_t* pPred, const int32_t kiStride) {
-  int32_t iTmp			= (kiStride << 4) - kiStride;
-  const uint64_t kuiTop1	= LD64A8 (pPred - kiStride);
+  int32_t iTmp            = (kiStride << 4) - kiStride;
+  const uint64_t kuiTop1  = LD64A8 (pPred - kiStride);
   const uint64_t kuiTop2  = LD64A8 (pPred - kiStride + 8);
   uint8_t i = 15;
 
   do {
-    ST64A8 (pPred + iTmp  , kuiTop1);
+    ST64A8 (pPred + iTmp    , kuiTop1);
     ST64A8 (pPred + iTmp + 8, kuiTop2);
 
     iTmp -= kiStride;
@@ -1040,10 +1038,10 @@
   uint8_t i = 15;
 
   do {
-    const uint8_t kuiVal8	= pPred[iTmp - 1];
-    const uint64_t kuiVal64	= 0x0101010101010101ULL * kuiVal8;
+    const uint8_t kuiVal8   = pPred[iTmp - 1];
+    const uint64_t kuiVal64 = 0x0101010101010101ULL * kuiVal8;
 
-    ST64A8 (pPred + iTmp  , kuiVal64);
+    ST64A8 (pPred + iTmp    , kuiVal64);
     ST64A8 (pPred + iTmp + 8, kuiVal64);
 
     iTmp -= kiStride;
@@ -1128,8 +1126,8 @@
     iSum += pPred[-1 + iTmp];
     iTmp -= kiStride;
   } while (i-- > 0);
-  uiMean	= (8 + iSum) >> 4;
-  uiMean64	= 0x0101010101010101ULL * uiMean;
+  uiMean   = (8 + iSum) >> 4;
+  uiMean64 = 0x0101010101010101ULL * uiMean;
 
   iTmp = (kiStride << 4) - kiStride;
   i = 15;
--- a/codec/decoder/core/src/manage_dec_ref.cpp
+++ b/codec/decoder/core/src/manage_dec_ref.cpp
@@ -87,7 +87,7 @@
   PRefPic pRefPic = &pCtx->sRefPic;
   pCtx->sRefPic.uiLongRefCount[LIST_0] = pCtx->sRefPic.uiShortRefCount[LIST_0] = 0;
 
-  pRefPic->uiRefCount[LIST_0]	= 0;
+  pRefPic->uiRefCount[LIST_0] = 0;
 
   for (i = 0; i < MAX_SHORT_REF_COUNT; i++) {
     if (pRefPic->pShortRefList[LIST_0][i] != NULL) {
@@ -213,7 +213,7 @@
                 && (pSliceHeader->iSpsId != ppRefList[i]->iSpsId)) {   //check;
               WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING, "WelsReorderRefList()::::BASE LAYER::::iSpsId:%d, ref_sps_id:%d",
                        pSliceHeader->iSpsId, ppRefList[i]->iSpsId);
-              pCtx->iErrorCode = dsNoParamSets;	//cross-IDR reference frame selection, SHOULD request IDR.--
+              pCtx->iErrorCode = dsNoParamSets; //cross-IDR reference frame selection, SHOULD request IDR.--
               return ERR_INFO_REFERENCE_PIC_LOST;
             } else {
               break;
@@ -230,7 +230,7 @@
                 && (pSliceHeader->iSpsId != ppRefList[i]->iSpsId)) {    //check;
               WelsLog (& (pCtx->sLogCtx), WELS_LOG_WARNING, "WelsReorderRefList()::::BASE LAYER::::iSpsId:%d, ref_sps_id:%d",
                        pSliceHeader->iSpsId, ppRefList[i]->iSpsId);
-              pCtx->iErrorCode = dsNoParamSets;	//cross-IDR reference frame selection, SHOULD request IDR.--
+              pCtx->iErrorCode = dsNoParamSets; //cross-IDR reference frame selection, SHOULD request IDR.--
               return ERR_INFO_REFERENCE_PIC_LOST;
             } else {
               break;
--- a/codec/decoder/core/src/memmgr_nal_unit.cpp
+++ b/codec/decoder/core/src/memmgr_nal_unit.cpp
@@ -64,7 +64,7 @@
   pPtr = pBase;
   *ppAu = (PAccessUnit)pPtr;
   pPtr += kuiSizeAu;
-  (*ppAu)->pNalUnitsList	= (PNalUnit*)pPtr;
+  (*ppAu)->pNalUnitsList = (PNalUnit*)pPtr;
   pPtr += kuiSizeNalUnitPtr;
   do {
     (*ppAu)->pNalUnitsList[uiIdx] = (PNalUnit)pPtr;
@@ -72,12 +72,12 @@
     ++ uiIdx;
   } while (uiIdx < kuiSize);
 
-  (*ppAu)->uiCountUnitsNum	= kuiSize;
-  (*ppAu)->uiAvailUnitsNum	= 0;
-  (*ppAu)->uiActualUnitsNum	= 0;
+  (*ppAu)->uiCountUnitsNum      = kuiSize;
+  (*ppAu)->uiAvailUnitsNum      = 0;
+  (*ppAu)->uiActualUnitsNum     = 0;
   (*ppAu)->uiStartPos           = 0;
-  (*ppAu)->uiEndPos		= 0;
-  (*ppAu)->bCompletedAuFlag	= false;
+  (*ppAu)->uiEndPos             = 0;
+  (*ppAu)->bCompletedAuFlag     = false;
 
   return 0;
 }
@@ -101,7 +101,7 @@
     PAccessUnit pTmp = NULL;
     int32_t iIdx = 0;
 
-    if (MemInitNalList (&pTmp, kiExpSize))	// request new list with expanding
+    if (MemInitNalList (&pTmp, kiExpSize)) // request new list with expanding
       return 1;
 
     do {
@@ -109,13 +109,13 @@
       ++ iIdx;
     } while (iIdx < kiOrgSize);
 
-    pTmp->uiCountUnitsNum	= kiExpSize;
-    pTmp->uiAvailUnitsNum	= (*ppAu)->uiAvailUnitsNum;
-    pTmp->uiActualUnitsNum	= (*ppAu)->uiActualUnitsNum;
-    pTmp->uiEndPos		    = (*ppAu)->uiEndPos;
-    pTmp->bCompletedAuFlag	= (*ppAu)->bCompletedAuFlag;
+    pTmp->uiCountUnitsNum       = kiExpSize;
+    pTmp->uiAvailUnitsNum       = (*ppAu)->uiAvailUnitsNum;
+    pTmp->uiActualUnitsNum      = (*ppAu)->uiActualUnitsNum;
+    pTmp->uiEndPos              = (*ppAu)->uiEndPos;
+    pTmp->bCompletedAuFlag      = (*ppAu)->bCompletedAuFlag;
 
-    MemFreeNalList (ppAu);	// free old list
+    MemFreeNalList (ppAu); // free old list
     *ppAu = pTmp;
     return 0;
   }
@@ -130,16 +130,16 @@
   PAccessUnit pAu = *ppAu;
   PNalUnit pNu = NULL;
 
-  if (pAu->uiAvailUnitsNum >= pAu->uiCountUnitsNum) {	// need expand list
+  if (pAu->uiAvailUnitsNum >= pAu->uiCountUnitsNum) { // need expand list
     const uint32_t kuiExpandingSize = pAu->uiCountUnitsNum + (MAX_NAL_UNIT_NUM_IN_AU >> 1);
     if (ExpandNalUnitList (ppAu, pAu->uiCountUnitsNum, kuiExpandingSize))
-      return NULL;	// out of memory
+      return NULL; // out of memory
     pAu = *ppAu;
   }
 
-  pNu = pAu->pNalUnitsList[pAu->uiAvailUnitsNum++];	// ready for next nal position
+  pNu = pAu->pNalUnitsList[pAu->uiAvailUnitsNum++]; // ready for next nal position
 
-  memset (pNu, 0, sizeof (SNalUnit));	// Please do not remove this for cache intend!!
+  memset (pNu, 0, sizeof (SNalUnit)); // Please do not remove this for cache intend!!
 
   return pNu;
 }
--- a/codec/decoder/core/src/mv_pred.cpp
+++ b/codec/decoder/core/src/mv_pred.cpp
@@ -196,15 +196,15 @@
 //basic iMVs prediction unit for iMVs partition width (4, 2, 1)
 void PredMv (int16_t iMotionVector[LIST_A][30][MV_A], int8_t iRefIndex[LIST_A][30],
              int32_t iPartIdx, int32_t iPartWidth, int8_t iRef, int16_t iMVP[2]) {
-  const uint8_t kuiLeftIdx	= g_kuiCache30ScanIdx[iPartIdx] - 1;
-  const uint8_t kuiTopIdx		= g_kuiCache30ScanIdx[iPartIdx] - 6;
-  const uint8_t kuiRightTopIdx = kuiTopIdx + iPartWidth;
-  const uint8_t kuiLeftTopIdx	= kuiTopIdx - 1;
+  const uint8_t kuiLeftIdx      = g_kuiCache30ScanIdx[iPartIdx] - 1;
+  const uint8_t kuiTopIdx       = g_kuiCache30ScanIdx[iPartIdx] - 6;
+  const uint8_t kuiRightTopIdx  = kuiTopIdx + iPartWidth;
+  const uint8_t kuiLeftTopIdx   = kuiTopIdx - 1;
 
   const int8_t kiLeftRef      = iRefIndex[0][kuiLeftIdx];
   const int8_t kiTopRef       = iRefIndex[0][ kuiTopIdx];
-  const int8_t kiRightTopRef = iRefIndex[0][kuiRightTopIdx];
-  const int8_t kiLeftTopRef  = iRefIndex[0][ kuiLeftTopIdx];
+  const int8_t kiRightTopRef  = iRefIndex[0][kuiRightTopIdx];
+  const int8_t kiLeftTopRef   = iRefIndex[0][ kuiLeftTopIdx];
   int8_t iDiagonalRef  = kiRightTopRef;
 
   int8_t iMatchRef = 0;
@@ -286,8 +286,8 @@
 //update iMVs and iRefIndex cache for current MB, only for P_16*16 (SKIP inclusive)
 /* can be further optimized */
 void UpdateP16x16MotionInfo (PDqLayer pCurDqLayer, int8_t iRef, int16_t iMVs[2]) {
-  const int16_t kiRef2		= (iRef << 8) | iRef;
-  const int32_t kiMV32		= LD32 (iMVs);
+  const int16_t kiRef2 = (iRef << 8) | iRef;
+  const int32_t kiMV32 = LD32 (iMVs);
   int32_t i;
   int32_t iMbXy = pCurDqLayer->iMbXyIndex;
 
--- a/codec/decoder/core/src/parse_mb_syn_cabac.cpp
+++ b/codec/decoder/core/src/parse_mb_syn_cabac.cpp
@@ -374,8 +374,8 @@
 
 int32_t ParseInterMotionInfoCabac (PWelsDecoderContext pCtx, PWelsNeighAvail pNeighAvail, uint8_t* pNonZeroCount,
                                    int16_t pMotionVector[LIST_A][30][MV_A], int16_t pMvdCache[LIST_A][30][MV_A], int8_t pRefIndex[LIST_A][30]) {
-  PSlice pSlice				= &pCtx->pCurDqLayer->sLayerInfo.sSliceInLayer;
-  PSliceHeader pSliceHeader	= &pSlice->sSliceHeaderExt.sSliceHeader;
+  PSlice pSlice                 = &pCtx->pCurDqLayer->sLayerInfo.sSliceInLayer;
+  PSliceHeader pSliceHeader     = &pSlice->sSliceHeaderExt.sSliceHeader;
   PDqLayer pCurDqLayer = pCtx->pCurDqLayer;
   PPicture* ppRefPic = pCtx->sRefPic.pRefList[LIST_0];
   int32_t pRefCount[2];
--- a/codec/decoder/core/src/parse_mb_syn_cavlc.cpp
+++ b/codec/decoder/core/src/parse_mb_syn_cavlc.cpp
@@ -990,8 +990,8 @@
 
 int32_t ParseInterInfo (PWelsDecoderContext pCtx, int16_t iMvArray[LIST_A][30][MV_A], int8_t iRefIdxArray[LIST_A][30],
                         PBitStringAux pBs) {
-  PSlice pSlice				= &pCtx->pCurDqLayer->sLayerInfo.sSliceInLayer;
-  PSliceHeader pSliceHeader	= &pSlice->sSliceHeaderExt.sSliceHeader;
+  PSlice pSlice                 = &pCtx->pCurDqLayer->sLayerInfo.sSliceInLayer;
+  PSliceHeader pSliceHeader     = &pSlice->sSliceHeaderExt.sSliceHeader;
   PPicture* ppRefPic = pCtx->sRefPic.pRefList[LIST_0];
   int32_t iRefCount[2];
   PDqLayer pCurDqLayer = pCtx->pCurDqLayer;
@@ -1133,8 +1133,8 @@
     uint32_t uiSubMbType;
 
     if (MB_TYPE_8x8_REF0 == pCurDqLayer->pMbType[iMbXy]) {
-      iRefCount[0]	=
-        iRefCount[1]	= 1;
+      iRefCount[0] =
+        iRefCount[1] = 1;
     }
 
     //uiSubMbType, partition
--- a/codec/decoder/core/src/pic_queue.cpp
+++ b/codec/decoder/core/src/pic_queue.cpp
@@ -64,12 +64,12 @@
   int32_t iPicWidth = 0;
   int32_t iPicHeight = 0;
 
-  int32_t iPicChromaWidth	= 0;
-  int32_t iPicChromaHeight	= 0;
-  int32_t iLumaSize			= 0;
-  int32_t iChromaSize			= 0;
+  int32_t iPicChromaWidth   = 0;
+  int32_t iPicChromaHeight  = 0;
+  int32_t iLumaSize         = 0;
+  int32_t iChromaSize       = 0;
 
-  pPic	= (PPicture) WelsMallocz (sizeof (SPicture), "PPicture");
+  pPic = (PPicture) WelsMallocz (sizeof (SPicture), "PPicture");
   WELS_VERIFY_RETURN_IF (NULL, NULL == pPic);
 
   memset (pPic, 0, sizeof (SPicture));
@@ -76,11 +76,11 @@
 
   iPicWidth = WELS_ALIGN (kiPicWidth + (PADDING_LENGTH << 1), PICTURE_RESOLUTION_ALIGNMENT);
   iPicHeight = WELS_ALIGN (kiPicHeight + (PADDING_LENGTH << 1), PICTURE_RESOLUTION_ALIGNMENT);
-  iPicChromaWidth	= iPicWidth >> 1;
-  iPicChromaHeight	= iPicHeight >> 1;
+  iPicChromaWidth   = iPicWidth >> 1;
+  iPicChromaHeight  = iPicHeight >> 1;
 
-  iLumaSize	= iPicWidth * iPicHeight;
-  iChromaSize	= iPicChromaWidth * iPicChromaHeight;
+  iLumaSize     = iPicWidth * iPicHeight;
+  iChromaSize   = iPicChromaWidth * iPicChromaHeight;
 
   if (pCtx->bParseOnly) {
     pPic->pBuffer[0] = pPic->pBuffer[1] = pPic->pBuffer[2] = NULL;
@@ -88,7 +88,7 @@
     pPic->iLinesize[0] = iPicWidth;
     pPic->iLinesize[1] = pPic->iLinesize[2] = iPicChromaWidth;
   } else {
-    pPic->pBuffer[0]	= static_cast<uint8_t*> (WelsMallocz (iLumaSize /* luma */
+    pPic->pBuffer[0] = static_cast<uint8_t*> (WelsMallocz (iLumaSize /* luma */
                         + (iChromaSize << 1) /* Cb,Cr */, "_pic->buffer[0]"));
     WELS_VERIFY_RETURN_PROC_IF (NULL, NULL == pPic->pBuffer[0], FreePicture (pPic));
 
@@ -95,16 +95,16 @@
     memset (pPic->pBuffer[0], 128, (iLumaSize + (iChromaSize << 1)));
     pPic->iLinesize[0] = iPicWidth;
     pPic->iLinesize[1] = pPic->iLinesize[2] = iPicChromaWidth;
-    pPic->pBuffer[1]	= pPic->pBuffer[0] + iLumaSize;
-    pPic->pBuffer[2]	= pPic->pBuffer[1] + iChromaSize;
-    pPic->pData[0]	= pPic->pBuffer[0] + (1 + pPic->iLinesize[0]) * PADDING_LENGTH;
-    pPic->pData[1]	= pPic->pBuffer[1] + /*WELS_ALIGN*/ (((1 + pPic->iLinesize[1]) * PADDING_LENGTH) >> 1);
-    pPic->pData[2]	= pPic->pBuffer[2] + /*WELS_ALIGN*/ (((1 + pPic->iLinesize[2]) * PADDING_LENGTH) >> 1);
+    pPic->pBuffer[1]   = pPic->pBuffer[0] + iLumaSize;
+    pPic->pBuffer[2]   = pPic->pBuffer[1] + iChromaSize;
+    pPic->pData[0]     = pPic->pBuffer[0] + (1 + pPic->iLinesize[0]) * PADDING_LENGTH;
+    pPic->pData[1]     = pPic->pBuffer[1] + /*WELS_ALIGN*/ (((1 + pPic->iLinesize[1]) * PADDING_LENGTH) >> 1);
+    pPic->pData[2]     = pPic->pBuffer[2] + /*WELS_ALIGN*/ (((1 + pPic->iLinesize[2]) * PADDING_LENGTH) >> 1);
   }
-  pPic->iPlanes		= 3;	// yv12 in default
-  pPic->iWidthInPixel	= kiPicWidth;
+  pPic->iPlanes        = 3;    // yv12 in default
+  pPic->iWidthInPixel  = kiPicWidth;
   pPic->iHeightInPixel = kiPicHeight;
-  pPic->iFrameNum		= -1;
+  pPic->iFrameNum      = -1;
   pPic->bAvailableFlag = true;
 
   return pPic;
--- a/codec/decoder/core/src/rec_mb.cpp
+++ b/codec/decoder/core/src/rec_mb.cpp
@@ -79,7 +79,7 @@
   int8_t* pIntra8x8PredMode = pDqLayer->pIntra4x4FinalMode[iMbXy]; // I_NxN
   int16_t* pRS = pScoeffLevel;
   /*itransform info*/
-  PIdctResAddPredFunc	pIdctResAddPredFunc = pCtx->pIdctResAddPredFunc8x8;
+  PIdctResAddPredFunc pIdctResAddPredFunc = pCtx->pIdctResAddPredFunc8x8;
 
   /*************local variable********************/
   uint8_t i = 0;
@@ -133,7 +133,7 @@
   int8_t* pIntra4x4PredMode = pDqLayer->pIntra4x4FinalMode[iMBXY];
   int16_t* pRS = pScoeffLevel;
   /*itransform info*/
-  PIdctResAddPredFunc	pIdctResAddPredFunc = pCtx->pIdctResAddPredFunc;
+  PIdctResAddPredFunc pIdctResAddPredFunc = pCtx->pIdctResAddPredFunc;
 
 
   /*************local variable********************/
@@ -547,8 +547,8 @@
   uint8_t uiCbpC = pDqLayer->pCbp[iMBXY] >> 4;
 
   if (1 == uiCbpC || 2 == uiCbpC) {
-    WelsChromaDcIdct (pScoeffLevel + 256);	// 256 = 16*16
-    WelsChromaDcIdct (pScoeffLevel + 320);	// 256 = 16*16
+    WelsChromaDcIdct (pScoeffLevel + 256);      // 256 = 16*16
+    WelsChromaDcIdct (pScoeffLevel + 320);      // 256 = 16*16
     for (i = 0; i < 2; i++) {
       int16_t* pRS = pScoeffLevel + 256 + (i << 6);
       uint8_t* pPred = pDqLayer->pPred[i + 1];
--- a/codec/decoder/plus/inc/welsDecoderExt.h
+++ b/codec/decoder/plus/inc/welsDecoderExt.h
@@ -106,8 +106,8 @@
 virtual long EXTAPI GetOption (DECODER_OPTION eOptID, void* pOption);
 
  private:
-PWelsDecoderContext 				m_pDecContext;
-welsCodecTrace*			m_pWelsTrace;
+PWelsDecoderContext     m_pDecContext;
+welsCodecTrace*         m_pWelsTrace;
 
 int32_t InitDecoder (const bool);
 void UninitDecoder (void);
--- a/codec/decoder/plus/src/welsDecoderExt.cpp
+++ b/codec/decoder/plus/src/welsDecoderExt.cpp
@@ -59,7 +59,7 @@
 #include "manage_dec_ref.h"
 }
 #include "error_code.h"
-#include "crt_util_safe_x.h"	// Safe CRT routines like util for cross platforms
+#include "crt_util_safe_x.h" // Safe CRT routines like util for cross platforms
 #include <time.h>
 #if defined(_WIN32) /*&& defined(_DEBUG)*/
 
@@ -102,7 +102,7 @@
 #endif//OUTPUT_BIT_STREAM
 
 
-  m_pWelsTrace	= new welsCodecTrace();
+  m_pWelsTrace = new welsCodecTrace();
   if (m_pWelsTrace != NULL) {
     m_pWelsTrace->SetCodecInstance (this);
     m_pWelsTrace->SetTraceLevel (WELS_LOG_ERROR);
@@ -227,7 +227,7 @@
   if (NULL != m_pDecContext) {
     WelsFree (m_pDecContext, "m_pDecContext");
 
-    m_pDecContext	= NULL;
+    m_pDecContext = NULL;
   }
 
 }
@@ -240,7 +240,7 @@
 
   if (m_pDecContext) //free
     UninitDecoder();
-  m_pDecContext	= (PWelsDecoderContext)WelsMallocz (sizeof (SWelsDecoderContext), "m_pDecContext");
+  m_pDecContext = (PWelsDecoderContext)WelsMallocz (sizeof (SWelsDecoderContext), "m_pDecContext");
   if (NULL == m_pDecContext)
     return cmMallocMemeError;
 
@@ -266,7 +266,7 @@
     if (pOption == NULL)
       return cmInitParaError;
 
-    iVal = * ((int*)pOption);	// is_rgb
+    iVal = * ((int*)pOption); // is_rgb
 
     return DecoderSetCsp (m_pDecContext, iVal);
   } else if (eOptID == DECODER_OPTION_END_OF_STREAM) { // Indicate bit-stream of the final frame to be decoded
@@ -273,9 +273,9 @@
     if (pOption == NULL)
       return cmInitParaError;
 
-    iVal	= * ((int*)pOption);	// boolean value for whether enabled End Of Stream flag
+    iVal = * ((int*)pOption); // boolean value for whether enabled End Of Stream flag
 
-    m_pDecContext->bEndOfStreamFlag	= iVal ? true : false;
+    m_pDecContext->bEndOfStreamFlag = iVal ? true : false;
 
     return cmResultSuccess;
   } else if (eOptID == DECODER_OPTION_ERROR_CON_IDC) { // Indicate error concealment status
@@ -282,7 +282,7 @@
     if (pOption == NULL)
       return cmInitParaError;
 
-    iVal	= * ((int*)pOption);	// int value for error concealment idc
+    iVal = * ((int*)pOption); // int value for error concealment idc
     iVal = WELS_CLIP3 (iVal, (int32_t) ERROR_CON_DISABLE, (int32_t) ERROR_CON_SLICE_MV_COPY_CROSS_IDR_FREEZE_RES_CHANGE);
     m_pDecContext->eErrorConMethod = (ERROR_CON_IDC) iVal;
     if ((m_pDecContext->bParseOnly) && (m_pDecContext->eErrorConMethod != ERROR_CON_DISABLE)) {
@@ -340,11 +340,11 @@
 
   if (DECODER_OPTION_DATAFORMAT == eOptID) {
     iVal = (int32_t) m_pDecContext->eOutputColorFormat;
-    * ((int*)pOption)	= iVal;
+    * ((int*)pOption) = iVal;
     return cmResultSuccess;
   } else if (DECODER_OPTION_END_OF_STREAM == eOptID) {
-    iVal	= m_pDecContext->bEndOfStreamFlag;
-    * ((int*)pOption)	= iVal;
+    iVal = m_pDecContext->bEndOfStreamFlag;
+    * ((int*)pOption) = iVal;
     return cmResultSuccess;
   }
 #ifdef LONG_TERM_REF
@@ -471,9 +471,9 @@
   m_pDecContext->bInstantDecFlag = false; //reset no-delay flag
   if (m_pDecContext->iErrorCode) {
     EWelsNalUnitType eNalType =
-      NAL_UNIT_UNSPEC_0;	//for NBR, IDR frames are expected to decode as followed if error decoding an IDR currently
+      NAL_UNIT_UNSPEC_0; //for NBR, IDR frames are expected to decode as followed if error decoding an IDR currently
 
-    eNalType	= m_pDecContext->sCurNalHead.eNalUnitType;
+    eNalType = m_pDecContext->sCurNalHead.eNalUnitType;
 
     if (m_pDecContext->iErrorCode & dsOutOfMemory) {
       ForceResetParaSetStatusAndAUList (m_pDecContext);
@@ -638,7 +638,7 @@
     int& iWidth,
     int& iHeight,
     int& iColorFormat) {
-  DECODING_STATE	 state = dsErrorFree;
+  DECODING_STATE state = dsErrorFree;
 
   return state;
 }
@@ -678,7 +678,7 @@
     return ERR_INVALID_PARAMETERS;
   }
 
-  *ppDecoder	= new CWelsDecoder();
+  *ppDecoder = new CWelsDecoder();
 
   if (NULL == *ppDecoder) {
     return ERR_MALLOC_FAILED;
--- a/codec/encoder/core/inc/as264_common.h
+++ b/codec/encoder/core/inc/as264_common.h
@@ -50,16 +50,16 @@
 /****************************************************************************
  * Options for algorithm, usually change bitrate
  ****************************************************************************/
-#define DISABLE_FMO_FEATURE	//
+#define DISABLE_FMO_FEATURE             //
 
 /****************************************************************************
  * Options for optimization, not change bitrate
  ****************************************************************************/
-//#undef	X86_ASM			// X86_ASM is included in project preprocessor definitions, undef it when need to disable asm code
-#define SINGLE_REF_FRAME		// need to disable it when use multi-reference
+//#undef        X86_ASM             // X86_ASM is included in project preprocessor definitions, undef it when need to disable asm code
+#define SINGLE_REF_FRAME            // need to disable it when use multi-reference
 
 
-#if defined(WELS_TESTBED)	    // for SGE testing
+#if defined(WELS_TESTBED)               // for SGE testing
 #define ENABLE_FRAME_DUMP
 
 #ifdef FRAME_INFO_OUTPUT
@@ -68,7 +68,7 @@
 #endif//WELS_TESTBED
 
 
-#if defined(__UNITTEST__)	// for unittest
+#if defined(__UNITTEST__)               // for unittest
 #ifndef ENABLE_FRAME_DUMP
 #define ENABLE_FRAME_DUMP
 #endif//ENABLE_FRAME_DUMP
@@ -80,7 +80,7 @@
 //
 //#define FRAME_INFO_OUTPUT
 //#define LAYER_INFO_OUTPUT
-//#define SLICE_INFO_OUTPUT		// useful in multiple slice coding track
+//#define SLICE_INFO_OUTPUT             // useful in multiple slice coding track
 //#define MB_TYPES_INFO_OUTPUT
 
 
--- a/codec/encoder/core/inc/deblocking.h
+++ b/codec/encoder/core/inc/deblocking.h
@@ -50,11 +50,11 @@
 //struct tagDeblockingFunc;
 
 typedef struct TagDeblockingFilter {
-  uint8_t*		pCsData[3];	// pointer to reconstructed picture pData
-  int32_t		iCsStride[3];	// Cs iStride
+  uint8_t*    pCsData[3];     // pointer to reconstructed picture pData
+  int32_t     iCsStride[3];   // Cs iStride
   int16_t     iMbStride;
-  int8_t		iSliceAlphaC0Offset;
-  int8_t		iSliceBetaOffset;
+  int8_t      iSliceAlphaC0Offset;
+  int8_t      iSliceBetaOffset;
   uint8_t     uiLumaQP;
   uint8_t     uiChromaQP;
   uint8_t     uiFilterIdc;
--- a/codec/encoder/core/inc/dq_map.h
+++ b/codec/encoder/core/inc/dq_map.h
@@ -48,9 +48,9 @@
  */
 
 typedef struct TagDqIdc {
-uint16_t	iPpsId;			// pPps id
-uint8_t	iSpsId;			// pSps id
-int8_t		uiSpatialId;	// spatial id
+uint16_t    iPpsId;         // pPps id
+uint8_t     iSpsId;         // pSps id
+int8_t      uiSpatialId;    // spatial id
 } SDqIdc;
 
 }
--- a/codec/encoder/core/inc/encode_mb_aux.h
+++ b/codec/encoder/core/inc/encode_mb_aux.h
@@ -44,10 +44,10 @@
 /****************************************************************************
  * Scan and Score functions
  ****************************************************************************/
-void	WelsScan4x4Ac_c (int16_t* pZigValue, int16_t* pDct);
-void	WelsScan4x4Dc (int16_t* pLevel, int16_t* pDct);
-void	WelsScan4x4DcAc_c (int16_t* pLevel, int16_t* pDct);
-int32_t		WelsCalculateSingleCtr4x4_c (int16_t* pDct);
+void    WelsScan4x4Ac_c (int16_t* pZigValue, int16_t* pDct);
+void    WelsScan4x4Dc (int16_t* pLevel, int16_t* pDct);
+void    WelsScan4x4DcAc_c (int16_t* pLevel, int16_t* pDct);
+int32_t WelsCalculateSingleCtr4x4_c (int16_t* pDct);
 
 /****************************************************************************
  * HDM and Quant functions
--- a/codec/encoder/core/inc/encoder.h
+++ b/codec/encoder/core/inc/encoder.h
@@ -116,7 +116,7 @@
 /**********************************************************************************
  * memzero Function
 ***********************************************************************************/
-void WelsSetMemZero_c (void* pDst, int32_t iSize);	// confirmed_safe_unsafe_usage
+void WelsSetMemZero_c (void* pDst, int32_t iSize); // confirmed_safe_unsafe_usage
 
 #if defined(__cplusplus)
 extern "C" {
--- a/codec/encoder/core/inc/encoder_context.h
+++ b/codec/encoder/core/inc/encoder_context.h
@@ -55,7 +55,7 @@
 #include "crt_util_safe_x.h"
 #include "utils.h"
 
-#include "mt_defs.h"	// for multiple threadin,
+#include "mt_defs.h" // for multiple threadin,
 #include "WelsThreadLib.h"
 
 namespace WelsEnc {
@@ -64,111 +64,108 @@
  *  reference list for each quality layer in SVC
  */
 typedef struct TagRefList {
-  SPicture*					pShortRefList[1 + MAX_SHORT_REF_COUNT]; // reference list 0 - int16_t
-  SPicture*					pLongRefList[1 + MAX_REF_PIC_COUNT];	// reference list 1 - int32_t
-  SPicture*					pNextBuffer;
-  SPicture*					pRef[1 + MAX_REF_PIC_COUNT];	// plus 1 for swap intend
-  uint8_t						uiShortRefCount;
-  uint8_t						uiLongRefCount;	// dependend on pRef pic module
+  SPicture*     pShortRefList[1 + MAX_SHORT_REF_COUNT]; // reference list 0 - int16_t
+  SPicture*     pLongRefList[1 + MAX_REF_PIC_COUNT];    // reference list 1 - int32_t
+  SPicture*     pNextBuffer;
+  SPicture*     pRef[1 + MAX_REF_PIC_COUNT];    // plus 1 for swap intend
+  uint8_t       uiShortRefCount;
+  uint8_t       uiLongRefCount; // dependend on pRef pic module
 } SRefList;
 
 typedef struct TagLTRState {
 // LTR mark feedback
-  uint32_t		    		uiLtrMarkState;	// LTR mark state, indicate whether there is a LTR mark feedback unsolved
-  int32_t						iLtrMarkFbFrameNum;// the unsolved LTR mark feedback, the marked iFrameNum feedback from decoder
+  uint32_t      uiLtrMarkState; // LTR mark state, indicate whether there is a LTR mark feedback unsolved
+  int32_t       iLtrMarkFbFrameNum;// the unsolved LTR mark feedback, the marked iFrameNum feedback from decoder
 
 // LTR used as recovery reference
-  int32_t						iLastRecoverFrameNum; // reserve the last LTR or IDR recover iFrameNum
-  int32_t
-  iLastCorFrameNumDec; // reserved the last correct position in decoder side, use to select valid LTR to recover or to decide the LTR mark validation
-  int32_t
-  iCurFrameNumInDec; // current iFrameNum in decoder side, use to select valid LTR to recover or to decide the LTR mark validation
+  int32_t       iLastRecoverFrameNum; // reserve the last LTR or IDR recover iFrameNum
+  int32_t       iLastCorFrameNumDec; // reserved the last correct position in decoder side, use to select valid LTR to recover or to decide the LTR mark validation
+  int32_t       iCurFrameNumInDec; // current iFrameNum in decoder side, use to select valid LTR to recover or to decide the LTR mark validation
 
 // LTR mark
-  int32_t						iLTRMarkMode; // direct mark or delay mark
-  int32_t						iLTRMarkSuccessNum; //successful marked num, for mark mode switch
-  int32_t						iCurLtrIdx;// current int32_t term reference index to mark
-  int32_t						iLastLtrIdx[MAX_TEMPORAL_LAYER_NUM];
-  int32_t						iSceneLtrIdx;// related to Scene LTR, used by screen content
+  int32_t       iLTRMarkMode; // direct mark or delay mark
+  int32_t       iLTRMarkSuccessNum; //successful marked num, for mark mode switch
+  int32_t       iCurLtrIdx;// current int32_t term reference index to mark
+  int32_t       iLastLtrIdx[MAX_TEMPORAL_LAYER_NUM];
+  int32_t       iSceneLtrIdx;// related to Scene LTR, used by screen content
 
-  uint32_t					uiLtrMarkInterval;// the interval from the last int32_t term pRef mark
+  uint32_t      uiLtrMarkInterval;// the interval from the last int32_t term pRef mark
 
-  bool						bLTRMarkingFlag;	//decide whether current frame marked as LTR
-  bool						bLTRMarkEnable; //when LTR is confirmed and the interval is no smaller than the marking period
-  bool						bReceivedT0LostFlag;	// indicate whether a t0 lost feedback is recieved, for LTR recovery
+  bool          bLTRMarkingFlag;        //decide whether current frame marked as LTR
+  bool          bLTRMarkEnable; //when LTR is confirmed and the interval is no smaller than the marking period
+  bool          bReceivedT0LostFlag;    // indicate whether a t0 lost feedback is recieved, for LTR recovery
 } SLTRState;
 
 typedef struct TagSpatialPicIndex {
-  SPicture*	pSrc;	// I420 based and after color space converted
-  int32_t		iDid;	// dependency id
+  SPicture*     pSrc;   // I420 based and after color space converted
+  int32_t       iDid;   // dependency id
 } SSpatialPicIndex;
 
 typedef struct TagStrideTables {
-  int32_t*		pStrideDecBlockOffset[MAX_DEPENDENCY_LAYER][2];	// [iDid][tid==0][24 x 4]: luma+chroma= 24 x 4
-  int32_t*		pStrideEncBlockOffset[MAX_DEPENDENCY_LAYER];		// [iDid][24 x 4]: luma+chroma= 24 x 4
-  int16_t*		pMbIndexX[MAX_DEPENDENCY_LAYER];					// [iDid][iMbX]: map for iMbX in each spatial layer coding
-  int16_t*		pMbIndexY[MAX_DEPENDENCY_LAYER];					// [iDid][iMbY]: map for iMbY in each spatial layer coding
+  int32_t*      pStrideDecBlockOffset[MAX_DEPENDENCY_LAYER][2]; // [iDid][tid==0][24 x 4]: luma+chroma= 24 x 4
+  int32_t*      pStrideEncBlockOffset[MAX_DEPENDENCY_LAYER];    // [iDid][24 x 4]: luma+chroma= 24 x 4
+  int16_t*      pMbIndexX[MAX_DEPENDENCY_LAYER];                // [iDid][iMbX]: map for iMbX in each spatial layer coding
+  int16_t*      pMbIndexY[MAX_DEPENDENCY_LAYER];                // [iDid][iMbY]: map for iMbY in each spatial layer coding
 } SStrideTables;
 
 typedef struct TagWelsEncCtx {
   SLogContext sLogCtx;
 // Input
-  SWelsSvcCodingParam*		pSvcParam;	// SVC parameter, WelsSVCParamConfig in svc_param_settings.h
-  SWelsSliceBs*		 	pSliceBs;		// bitstream buffering for various slices, [uiSliceIdx]
+  SWelsSvcCodingParam* pSvcParam;   // SVC parameter, WelsSVCParamConfig in svc_param_settings.h
+  SWelsSliceBs*     pSliceBs;       // bitstream buffering for various slices, [uiSliceIdx]
 
-  int32_t*					pSadCostMb;
+  int32_t*          pSadCostMb;
   /* MVD cost tables for Inter MB */
-  int32_t              iMvRange;
-  uint16_t*					pMvdCostTable; //[52];	// adaptive to spatial layers
-  int32_t					  iMvdCostTableSize; //the size of above table
-  int32_t					    iMvdCostTableStride; //the stride of above table
+  int32_t           iMvRange;
+  uint16_t*         pMvdCostTable; //[52];  // adaptive to spatial layers
+  int32_t           iMvdCostTableSize; //the size of above table
+  int32_t           iMvdCostTableStride; //the stride of above table
   SMVUnitXY*
-  pMvUnitBlock4x4;	// (*pMvUnitBlock4x4[2])[MB_BLOCK4x4_NUM];	    // for store each 4x4 blocks' mv unit, the two swap after different d layer
+  pMvUnitBlock4x4;      // (*pMvUnitBlock4x4[2])[MB_BLOCK4x4_NUM];          // for store each 4x4 blocks' mv unit, the two swap after different d layer
   int8_t*
-  pRefIndexBlock4x4;	// (*pRefIndexBlock4x4[2])[MB_BLOCK8x8_NUM];	    // for store each 4x4 blocks' pRef index, the two swap after different d layer
-  int8_t*                      pNonZeroCountBlocks;	// (*pNonZeroCountBlocks)[MB_LUMA_CHROMA_BLOCK4x4_NUM];
+  pRefIndexBlock4x4;    // (*pRefIndexBlock4x4[2])[MB_BLOCK8x8_NUM];        // for store each 4x4 blocks' pRef index, the two swap after different d layer
+  int8_t*           pNonZeroCountBlocks;     // (*pNonZeroCountBlocks)[MB_LUMA_CHROMA_BLOCK4x4_NUM];
   int8_t*
-  pIntra4x4PredModeBlocks;	// (*pIntra4x4PredModeBlocks)[INTRA_4x4_MODE_NUM];  //last byte is not used; the first 4 byte is for the bottom 12,13,14,15 4x4 block intra mode, and 3 byte for (3,7,11)
+  pIntra4x4PredModeBlocks;      // (*pIntra4x4PredModeBlocks)[INTRA_4x4_MODE_NUM];  //last byte is not used; the first 4 byte is for the bottom 12,13,14,15 4x4 block intra mode, and 3 byte for (3,7,11)
 
-  SMB**                          ppMbListD;	// [MAX_DEPENDENCY_LAYER];
-  SStrideTables*				pStrideTab;	// stride tables for internal coding used
-  SWelsFuncPtrList*			pFuncList;
+  SMB**             ppMbListD;     // [MAX_DEPENDENCY_LAYER];
+  SStrideTables*    pStrideTab;     // stride tables for internal coding used
+  SWelsFuncPtrList* pFuncList;
 
-  SSliceThreading*				pSliceThreading;
+  SSliceThreading*  pSliceThreading;
 
 // SSlice context
-  SSliceCtx*				pSliceCtxList;// slice context table for each dependency quality layer
+  SSliceCtx*        pSliceCtxList;// slice context table for each dependency quality layer
 // pointers
-  SPicture*					pEncPic;			// pointer to current picture to be encoded
-  SPicture*					pDecPic;			// pointer to current picture being reconstructed
-  SPicture*					pRefPic;			// pointer to current reference picture
+  SPicture*         pEncPic;                // pointer to current picture to be encoded
+  SPicture*         pDecPic;                // pointer to current picture being reconstructed
+  SPicture*         pRefPic;                // pointer to current reference picture
 
-  SDqLayer*
-  pCurDqLayer;				// DQ layer context used to being encoded currently, for reference base layer to refer: pCurDqLayer->pRefLayer if applicable
-  SDqLayer**					ppDqLayerList;			// overall DQ layers encoded for storage
+  SDqLayer*         pCurDqLayer;            // DQ layer context used to being encoded currently, for reference base layer to refer: pCurDqLayer->pRefLayer if applicable
+  SDqLayer**        ppDqLayerList;          // overall DQ layers encoded for storage
 
-  SRefList**					ppRefPicListExt;		// reference picture list for SVC
-  SPicture*					pRefList0[16];
-  SLTRState*					pLtr;//[MAX_DEPENDENCY_LAYER];
-  bool                          bCurFrameMarkedAsSceneLtr;
+  SRefList**        ppRefPicListExt;        // reference picture list for SVC
+  SPicture*         pRefList0[16];
+  SLTRState*        pLtr;//[MAX_DEPENDENCY_LAYER];
+  bool              bCurFrameMarkedAsSceneLtr;
 // Derived
-  int32_t						iCodingIndex;
-  int32_t						iFrameIndex;			// count how many frames elapsed during coding context currently
-  int32_t						iFrameNum;				// current frame number coding
-  int32_t						iPOC;					// frame iPOC
-  EWelsSliceType				eSliceType;			// currently coding slice type
-  EWelsNalUnitType			eNalType;			// NAL type
-  EWelsNalRefIdc				eNalPriority;		// NAL_Reference_Idc currently
-  EWelsNalRefIdc				eLastNalPriority;	// NAL_Reference_Idc in last frame
-  uint8_t						iNumRef0;
+  int32_t           iCodingIndex;
+  int32_t           iFrameIndex;            // count how many frames elapsed during coding context currently
+  int32_t           iFrameNum;              // current frame number coding
+  int32_t           iPOC;                   // frame iPOC
+  EWelsSliceType    eSliceType;             // currently coding slice type
+  EWelsNalUnitType  eNalType;               // NAL type
+  EWelsNalRefIdc    eNalPriority;           // NAL_Reference_Idc currently
+  EWelsNalRefIdc    eLastNalPriority;       // NAL_Reference_Idc in last frame
+  uint8_t           iNumRef0;
 
-  uint8_t						uiDependencyId;	// Idc of dependecy layer to be coded
-  uint8_t						uiTemporalId;	// Idc of temporal layer to be coded
-  bool						bNeedPrefixNalFlag;	// whether add prefix nal
-  bool                      bEncCurFrmAsIdrFlag;
+  uint8_t           uiDependencyId;         // Idc of dependecy layer to be coded
+  uint8_t           uiTemporalId;           // Idc of temporal layer to be coded
+  bool              bNeedPrefixNalFlag;     // whether add prefix nal
+  bool              bEncCurFrmAsIdrFlag;
 
 // Rate control routine
-  SWelsSvcRc*					pWelsSvcRc;
+  SWelsSvcRc*       pWelsSvcRc;
   bool              bCheckWindowStatusRefreshFlag;
   int64_t           iCheckWindowStartTs;
   int64_t           iCheckWindowCurrentTs;
@@ -175,38 +172,38 @@
   int32_t           iCheckWindowInterval;
   int32_t           iCheckWindowIntervalShift;
   bool              bCheckWindowShiftResetFlag;
-  int32_t						iSkipFrameFlag; //_GOM_RC_
+  int32_t           iSkipFrameFlag; //_GOM_RC_
   int32_t           iContinualSkipFrames;
-  int32_t						iGlobalQp;		// global qp
+  int32_t           iGlobalQp;      // global qp
 
 // VAA
-  SVAAFrameInfo*		    	pVaa;		    // VAA information of reference
-  CWelsPreProcess*				pVpp;
+  SVAAFrameInfo*    pVaa;           // VAA information of reference
+  CWelsPreProcess*  pVpp;
 
-  SWelsSPS*							pSpsArray;		// MAX_SPS_COUNT by standard compatible
-  SWelsSPS*							pSps;
-  SWelsPPS*							pPPSArray;		// MAX_PPS_COUNT by standard compatible
-  SWelsPPS*							pPps;
+  SWelsSPS*         pSpsArray;      // MAX_SPS_COUNT by standard compatible
+  SWelsSPS*         pSps;
+  SWelsPPS*         pPPSArray;      // MAX_PPS_COUNT by standard compatible
+  SWelsPPS*         pPps;
   /* SVC only */
-  SSubsetSps*					pSubsetArray;	// MAX_SPS_COUNT by standard compatible
-  SSubsetSps*					pSubsetSps;
-  int32_t						iSpsNum;	// number of pSps used
-  int32_t						iSubsetSpsNum;	// number of pSps used
-  int32_t						iPpsNum;	// number of pPps used
+  SSubsetSps*       pSubsetArray;   // MAX_SPS_COUNT by standard compatible
+  SSubsetSps*       pSubsetSps;
+  int32_t           iSpsNum;        // number of pSps used
+  int32_t           iSubsetSpsNum;  // number of pSps used
+  int32_t           iPpsNum;        // number of pPps used
 
 // Output
-  SWelsEncoderOutput*			pOut;			// for NAL raw pData (need allocating memory for sNalList internal)
-  uint8_t*						pFrameBs;		// restoring bitstream pBuffer of all NALs in a frame
-  int32_t						iFrameBsSize;	// count size of frame bs in bytes allocated
-  int32_t						iPosBsBuffer;	// current writing position of frame bs pBuffer
+  SWelsEncoderOutput* pOut;         // for NAL raw pData (need allocating memory for sNalList internal)
+  uint8_t*          pFrameBs;       // restoring bitstream pBuffer of all NALs in a frame
+  int32_t           iFrameBsSize;   // count size of frame bs in bytes allocated
+  int32_t           iPosBsBuffer;   // current writing position of frame bs pBuffer
 
-  SSpatialPicIndex			sSpatialIndexMap[MAX_DEPENDENCY_LAYER];
+  SSpatialPicIndex  sSpatialIndexMap[MAX_DEPENDENCY_LAYER];
 
-  bool						bRefOfCurTidIsLtr[MAX_DEPENDENCY_LAYER][MAX_TEMPORAL_LEVEL];
-  uint16_t        uiIdrPicId;		// IDR picture id: [0, 65535], this one is used for LTR
+  bool              bRefOfCurTidIsLtr[MAX_DEPENDENCY_LAYER][MAX_TEMPORAL_LEVEL];
+  uint16_t          uiIdrPicId;           // IDR picture id: [0, 65535], this one is used for LTR
 
-  int32_t						iMaxSliceCount;// maximal count number of slices for all layers observation
-  int16_t						iActiveThreadsNum;	// number of threads active so far
+  int32_t           iMaxSliceCount;// maximal count number of slices for all layers observation
+  int16_t           iActiveThreadsNum;      // number of threads active so far
 
   /*
    * DQ layer idc map for svc encoding, might be a better scheme than that of design before,
@@ -213,17 +210,16 @@
    * can aware idc of referencing layer and that idc of successive layer to be coded
    */
   /* SVC only */
-  SDqIdc*
-  pDqIdcMap;	// overall DQ map of full scalability in specific frame (All full D/T/Q layers involved)												// pDqIdcMap[dq_index] for each SDqIdc pData
+  SDqIdc*           pDqIdcMap;    // overall DQ map of full scalability in specific frame (All full D/T/Q layers involved)                                                                                                // pDqIdcMap[dq_index] for each SDqIdc pData
 
-  SParaSetOffset				sPSOVector;
-  SParaSetOffset*				pPSOVector;
-  CMemoryAlign*				pMemAlign;
+  SParaSetOffset    sPSOVector;
+  SParaSetOffset*   pPSOVector;
+  CMemoryAlign*     pMemAlign;
 
 #if defined(STAT_OUTPUT)
 // overall stat pData, refer to SStatData in stat.h, in case avc to use stat[0][0]
-  SStatData					sStatData [ MAX_DEPENDENCY_LAYER ] [ MAX_QUALITY_LEVEL ];
-  SStatSliceInfo				sPerInfo;
+  SStatData         sStatData [ MAX_DEPENDENCY_LAYER ] [ MAX_QUALITY_LEVEL ];
+  SStatSliceInfo    sPerInfo;
 #endif//STAT_OUTPUT
 
   //related to Statistics
@@ -236,7 +232,7 @@
   int64_t            iLastStatisticsFrameCount;
 
   int32_t iEncoderError;
-  WELS_MUTEX					mutexEncoderError;
+  WELS_MUTEX mutexEncoderError;
   bool bDeliveryFlag;
   SStateCtx sWelsCabacContexts[4][WELS_QP_MAX + 1][WELS_CONTEXT_COUNT];
 #ifdef ENABLE_FRAME_DUMP
--- a/codec/encoder/core/inc/mb_cache.h
+++ b/codec/encoder/core/inc/mb_cache.h
@@ -73,16 +73,16 @@
 //the followed pData now is promised aligned to 16 bytes
 ALIGNED_DECLARE (SMVComponentUnit, sMvComponents, 16);
 
-ALIGNED_DECLARE (int8_t, iNonZeroCoeffCount[48], 16);	// Cache line size
-// 	int8_t		iNonZeroCoeffCount[6 * 8];	// Right luma, Chroma(Left Top Cb, Left btm Cr); must follow by iIntraPredMode!
+ALIGNED_DECLARE (int8_t, iNonZeroCoeffCount[48], 16);   // Cache line size
+// int8_t iNonZeroCoeffCount[6 * 8];      // Right luma, Chroma(Left Top Cb, Left btm Cr); must follow by iIntraPredMode!
 ALIGNED_DECLARE (int8_t, iIntraPredMode[48], 16);
-//	must follow with iNonZeroCoeffCount!
+// must follow with iNonZeroCoeffCount!
 
-int32_t     iSadCost[4];			//avail 1; unavail 0
+int32_t    iSadCost[4];                        //avail 1; unavail 0
 SMVUnitXY  sMbMvp[MB_BLOCK4x4_NUM];// for write bs
 
 //for residual decoding (recovery) at the side of Encoder
-int16_t* pCoeffLevel;		// tmep
+int16_t* pCoeffLevel;           // tmep
 //malloc memory for prediction
 uint8_t* pSkipMb;
 
@@ -108,7 +108,7 @@
 //pRemIntra4x4PredModeFlag or added by 1 is the best pred_mode
 int8_t* pRemIntra4x4PredModeFlag;
 
-int32_t     iSadCostSkip[4];	     //avail 1; unavail 0
+int32_t     iSadCostSkip[4];      //avail 1; unavail 0
 bool      bMbTypeSkip[4];         //1: skip; 0: non-skip
 int32_t*     pEncSad;
 
@@ -119,8 +119,8 @@
 uint8_t uiLumaI16x16Mode;
 uint8_t uiChmaI8x8Mode;
 
-bool		bCollocatedPredFlag;//denote if current MB is collocated predicted (MV==0).
-uint32_t	uiRefMbType;
+bool         bCollocatedPredFlag;//denote if current MB is collocated predicted (MV==0).
+uint32_t     uiRefMbType;
 
 struct {
   /* pointer of current mb location in original frame */
@@ -130,8 +130,8 @@
   /* pointer of co-located mb location in reference frame */
   uint8_t* pRefMb[3];
   //for SVC
-  uint8_t*	pCsMb[3];//locating current mb's CS in whole frame
-//		int16_t *p_rs[3];//locating current mb's RS	in whole frame
+  uint8_t*      pCsMb[3];//locating current mb's CS in whole frame
+//              int16_t *p_rs[3];//locating current mb's RS     in whole frame
 
 } SPicData;
 } SMbCache;
--- a/codec/encoder/core/inc/md.h
+++ b/codec/encoder/core/inc/md.h
@@ -84,35 +84,35 @@
 
 // if we want keep total sizeof(SWelsMD) <= 256, we maybe need to seperate three member of SWelsME.
 typedef struct TagWelsMD {
-int32_t			iLambda;
-uint16_t*		pMvdCost;
+int32_t         iLambda;
+uint16_t*       pMvdCost;
 
-int32_t			iCostLuma;
-int32_t			iCostChroma;//satd+lambda(best_pred_mode) //i_sad_chroma;
-int32_t			iSadPredMb;
+int32_t         iCostLuma;
+int32_t         iCostChroma;//satd+lambda(best_pred_mode) //i_sad_chroma;
+int32_t         iSadPredMb;
 
-uint8_t			uiRef; //uiRefIndex appointed by Encoder, used for MC
-bool			bMdUsingSad;
-uint16_t		uiReserved;
+uint8_t         uiRef; //uiRefIndex appointed by Encoder, used for MC
+bool            bMdUsingSad;
+uint16_t        uiReserved;
 
-int32_t			iCostSkipMb;
-int32_t			iSadPredSkip;
+int32_t         iCostSkipMb;
+int32_t         iSadPredSkip;
 
-int32_t			iMbPixX;		// pixel position of MB in horizontal axis
-int32_t			iMbPixY;		// pixel position of MB in vertical axis
-int32_t			iBlock8x8StaticIdc[4];
+int32_t         iMbPixX;                // pixel position of MB in horizontal axis
+int32_t         iMbPixY;                // pixel position of MB in vertical axis
+int32_t         iBlock8x8StaticIdc[4];
 
 //NO B frame in our Wels, we can ignore list1
 
 struct {
-  SWelsME			sMe16x16;		//adjust each SWelsME for 8 D-word!
-  SWelsME			sMe8x8[4];
-  SWelsME			sMe16x8[2];
-  SWelsME			sMe8x16[2];
-  SWelsME			sMe4x4[4][4];
-  SWelsME			sMe8x4[4][2];
-  SWelsME			sMe4x8[4][2];
-//		SMVUnitXY		i_mvbs[MB_BLOCK8x8_NUM];	//scaled MVB
+  SWelsME       sMe16x16;               //adjust each SWelsME for 8 D-word!
+  SWelsME       sMe8x8[4];
+  SWelsME       sMe16x8[2];
+  SWelsME       sMe8x16[2];
+  SWelsME       sMe4x4[4][4];
+  SWelsME       sMe8x4[4][2];
+  SWelsME       sMe4x8[4][2];
+//  SMVUnitXY     i_mvbs[MB_BLOCK8x8_NUM];        //scaled MVB
 } sMe;
 
 } SWelsMD;
--- a/codec/encoder/core/inc/mt_defs.h
+++ b/codec/encoder/core/inc/mt_defs.h
@@ -59,36 +59,35 @@
 #define THRESHOLD_RMSE_CORE2    0.0200f // v1.1: 0.0200f; v1.0: 0.04f
 
 typedef struct TagSliceThreadPrivateData {
-void*		pWelsPEncCtx;
-SLayerBSInfo*	pLayerBs;
-int32_t		iSliceIndex;	// slice index, zero based
-int32_t		iThreadIndex;	// thread index, zero based
+void*           pWelsPEncCtx;
+SLayerBSInfo*   pLayerBs;
+int32_t         iSliceIndex;    // slice index, zero based
+int32_t         iThreadIndex;   // thread index, zero based
 
 // for dynamic slicing mode
-int32_t		iStartMbIndex;	// inclusive
-int32_t		iEndMbIndex;	// exclusive
+int32_t         iStartMbIndex;  // inclusive
+int32_t         iEndMbIndex;    // exclusive
 } SSliceThreadPrivateData;
 
 typedef struct TagSliceThreading {
-SSliceThreadPrivateData*	pThreadPEncCtx;// thread context, [iThreadIdx]
+SSliceThreadPrivateData*        pThreadPEncCtx;// thread context, [iThreadIdx]
 char eventNamespace[100];
-WELS_THREAD_HANDLE			pThreadHandles[MAX_THREADS_NUM];// thread handles, [iThreadIdx]
-WELS_EVENT					pSliceCodedEvent[MAX_THREADS_NUM];// events for slice coded state, [iThreadIdx]
-WELS_EVENT					pSliceCodedMasterEvent;	// events for signalling that some event in pSliceCodedEvent has been signalled
-WELS_EVENT					pReadySliceCodingEvent[MAX_THREADS_NUM];	// events for slice coding ready, [iThreadIdx]
-WELS_EVENT					pUpdateMbListEvent[MAX_THREADS_NUM];		// signal to update mb list neighbor for various slices
-WELS_EVENT					pFinUpdateMbListEvent[MAX_THREADS_NUM];	// signal to indicate finish updating mb list
-WELS_EVENT					pExitEncodeEvent[MAX_THREADS_NUM];			// event for exit encoding event
-WELS_EVENT
-pThreadMasterEvent[MAX_THREADS_NUM];	// event for indicating that some event has been signalled to the thread
+WELS_THREAD_HANDLE              pThreadHandles[MAX_THREADS_NUM];// thread handles, [iThreadIdx]
+WELS_EVENT                      pSliceCodedEvent[MAX_THREADS_NUM];// events for slice coded state, [iThreadIdx]
+WELS_EVENT                      pSliceCodedMasterEvent; // events for signalling that some event in pSliceCodedEvent has been signalled
+WELS_EVENT                      pReadySliceCodingEvent[MAX_THREADS_NUM];        // events for slice coding ready, [iThreadIdx]
+WELS_EVENT                      pUpdateMbListEvent[MAX_THREADS_NUM];            // signal to update mb list neighbor for various slices
+WELS_EVENT                      pFinUpdateMbListEvent[MAX_THREADS_NUM]; // signal to indicate finish updating mb list
+WELS_EVENT                      pExitEncodeEvent[MAX_THREADS_NUM];                      // event for exit encoding event
+WELS_EVENT                      pThreadMasterEvent[MAX_THREADS_NUM];    // event for indicating that some event has been signalled to the thread
 
-WELS_MUTEX					mutexSliceNumUpdate;	// for dynamic slicing mode MT
+WELS_MUTEX                      mutexSliceNumUpdate;    // for dynamic slicing mode MT
 
-uint32_t*					pSliceConsumeTime[MAX_DEPENDENCY_LAYER];	// consuming time for each slice, [iSpatialIdx][uiSliceIdx]
-int32_t*					pSliceComplexRatio[MAX_DEPENDENCY_LAYER]; // *INT_MULTIPLY
+uint32_t*                       pSliceConsumeTime[MAX_DEPENDENCY_LAYER];        // consuming time for each slice, [iSpatialIdx][uiSliceIdx]
+int32_t*                        pSliceComplexRatio[MAX_DEPENDENCY_LAYER]; // *INT_MULTIPLY
 
 #ifdef MT_DEBUG
-FILE*						pFSliceDiff;	// file handle for debug
+FILE*                           pFSliceDiff;    // file handle for debug
 #endif//MT_DEBUG
 
 } SSliceThreading;
--- a/codec/encoder/core/inc/nal_encap.h
+++ b/codec/encoder/core/inc/nal_encap.h
@@ -54,10 +54,10 @@
  *  Raw payload pData for NAL unit, AVC/SVC compatible
  */
 typedef struct TagWelsNalRaw {
-uint8_t*				pRawData;		// pRawNal payload for slice pData
-int32_t				iPayloadSize;		// size of pRawNal pData
+uint8_t*                pRawData;       // pRawNal payload for slice pData
+int32_t                 iPayloadSize;   // size of pRawNal pData
 
-SNalUnitHeaderExt		sNalExt;		// NAL header information
+SNalUnitHeaderExt       sNalExt;        // NAL header information
 
 int32_t iStartPos; //NAL start position in buffer
 } SWelsNalRaw;
@@ -66,39 +66,39 @@
  *  Encoder majoy output pData
  */
 typedef struct TagWelsEncoderOutput {
-uint8_t*				pBsBuffer;			// overall bitstream pBuffer allocation for a coded picture, recycling use intend.
-uint32_t			uiSize;				// size of allocation pBuffer above
+uint8_t*        pBsBuffer;              // overall bitstream pBuffer allocation for a coded picture, recycling use intend.
+uint32_t        uiSize;                 // size of allocation pBuffer above
 
-SBitStringAux		sBsWrite;
+SBitStringAux   sBsWrite;
 
-//	SWelsNalRaw		raw_nals[MAX_DEPENDENCY_LAYER*2+MAX_DEPENDENCY_LAYER*MAX_QUALITY_LEVEL]; // AVC: max up to SPS+PPS+max_slice_idc (2 + 8) for FMO;
-SWelsNalRaw*		sNalList;			// nal list, adaptive for AVC/SVC in case single slice, multiple slices or fmo
-int32_t*      pNalLen;
-int32_t				iCountNals;			// count number of NAL in list
+// SWelsNalRaw             raw_nals[MAX_DEPENDENCY_LAYER*2+MAX_DEPENDENCY_LAYER*MAX_QUALITY_LEVEL]; // AVC: max up to SPS+PPS+max_slice_idc (2 + 8) for FMO;
+SWelsNalRaw*    sNalList;               // nal list, adaptive for AVC/SVC in case single slice, multiple slices or fmo
+int32_t*        pNalLen;
+int32_t         iCountNals;             // count number of NAL in list
 // SVC: num_sps (MAX_D) + num_pps (MAX_D) + num_vcl (MAX_D * MAX_Q)
-int32_t				iNalIndex;			// coding NAL currently, 0 based
+int32_t         iNalIndex;              // coding NAL currently, 0 based
 
-//	bool				bAnnexBFlag;		// annexeb flag, to figure it pOut the packetization mode whether need 4 bytes (0 0 0 1) of start code prefix
+// bool            bAnnexBFlag;            // annexeb flag, to figure it pOut the packetization mode whether need 4 bytes (0 0 0 1) of start code prefix
 } SWelsEncoderOutput;
 
-//#define MT_DEBUG_BS_WR	0	// for MT debugging if needed
+//#define MT_DEBUG_BS_WR        0       // for MT debugging if needed
 
 typedef struct TagWelsSliceBs {
-uint8_t*				pBs;				// output bitstream, pBitStringAux not needed for slice 0 due to no dependency of pFrameBs available
-uint32_t			uiBsPos;				// position of output bitstream
-uint8_t*				pBsBuffer;			// overall bitstream pBuffer allocation for a coded slice, recycling use intend.
-uint32_t			uiSize;				// size of allocation pBuffer above
+uint8_t*        pBs;                    // output bitstream, pBitStringAux not needed for slice 0 due to no dependency of pFrameBs available
+uint32_t        uiBsPos;                // position of output bitstream
+uint8_t*        pBsBuffer;              // overall bitstream pBuffer allocation for a coded slice, recycling use intend.
+uint32_t        uiSize;                 // size of allocation pBuffer above
 
-SBitStringAux		sBsWrite;
+SBitStringAux   sBsWrite;
 
-SWelsNalRaw		sNalList[2];		// nal list, PREFIX NAL(if applicable) + SLICE NAL
-//	int32_t				iCountNals;			// count number of NAL in list
-int32_t				iNalLen[2];
-int32_t				iNalIndex;			// coding NAL currently, 0 based
+SWelsNalRaw     sNalList[2];            // nal list, PREFIX NAL(if applicable) + SLICE NAL
+// int32_t         iCountNals;             // count number of NAL in list
+int32_t         iNalLen[2];
+int32_t         iNalIndex;              // coding NAL currently, 0 based
 
-//	bool				bAnnexBFlag;		// annexeb flag, to figure it pOut the packetization mode whether need 4 bytes (0 0 0 1) of start code prefix
+// bool            bAnnexBFlag;            // annexeb flag, to figure it pOut the packetization mode whether need 4 bytes (0 0 0 1) of start code prefix
 #if MT_DEBUG_BS_WR
-bool				bSliceCodedFlag;
+bool            bSliceCodedFlag;
 #endif//MT_DEBUG_BS_WR
 } SWelsSliceBs;
 
--- a/codec/encoder/core/inc/param_svc.h
+++ b/codec/encoder/core/inc/param_svc.h
@@ -63,9 +63,9 @@
 * \return   2 based scaling factor
 */
 static inline uint32_t GetLogFactor (float base, float upper) {
-  const double dLog2factor	= log10 (1.0 * upper / base) / log10 (2.0);
-  const double dEpsilon		= 0.0001;
-  const double dRound		= floor (dLog2factor + 0.5);
+  const double dLog2factor      = log10 (1.0 * upper / base) / log10 (2.0);
+  const double dEpsilon         = 0.0001;
+  const double dRound           = floor (dLog2factor + 0.5);
 
   if (dLog2factor < dRound + dEpsilon && dRound < dLog2factor + dEpsilon) {
     return (uint32_t) (dRound);
@@ -77,18 +77,18 @@
  *  Dependency Layer Parameter
  */
 typedef struct TagDLayerParam {
-  int32_t		iActualWidth;			// input source picture actual width
-  int32_t		iActualHeight;			// input source picture actual height
-  int32_t		iTemporalResolution;
-  int32_t		iDecompositionStages;
-  uint8_t     uiCodingIdx2TemporalId[ (1 << MAX_TEMPORAL_LEVEL) + 1];
+  int32_t       iActualWidth;                   // input source picture actual width
+  int32_t       iActualHeight;                  // input source picture actual height
+  int32_t       iTemporalResolution;
+  int32_t       iDecompositionStages;
+  uint8_t       uiCodingIdx2TemporalId[ (1 << MAX_TEMPORAL_LEVEL) + 1];
 
-  int8_t		iHighestTemporalId;
-  float		fInputFrameRate;		// input frame rate
-  float		fOutputFrameRate;		// output frame rate
+  int8_t        iHighestTemporalId;
+  float         fInputFrameRate;                // input frame rate
+  float         fOutputFrameRate;               // output frame rate
 
 #ifdef ENABLE_FRAME_DUMP
-  char		sRecFileName[MAX_FNAME_LEN];	// file to be constructed
+  char          sRecFileName[MAX_FNAME_LEN];    // file to be constructed
 #endif//ENABLE_FRAME_DUMP
 } SSpatialLayerInternal;
 
@@ -96,25 +96,25 @@
  *  Cisco OpenH264 Encoder Parameter Configuration
  */
 typedef struct TagWelsSvcCodingParam: SEncParamExt {
-  SSpatialLayerInternal	sDependencyLayers[MAX_DEPENDENCY_LAYER];
+  SSpatialLayerInternal sDependencyLayers[MAX_DEPENDENCY_LAYER];
 
   /* General */
-  uint32_t	uiGopSize;			// GOP size (at maximal frame rate: 16)
+  uint32_t uiGopSize;                      // GOP size (at maximal frame rate: 16)
   struct {
     int32_t iLeft;
     int32_t iTop;
     int32_t iWidth;
     int32_t iHeight;
-  } SUsedPicRect;	// the rect in input picture that encoder actually used
+  } SUsedPicRect;       // the rect in input picture that encoder actually used
 
   char*       pCurPath; // record current lib path such as:/pData/pData/com.wels.enc/lib/
 
-  bool		bDeblockingParallelFlag;	// deblocking filter parallelization control flag
+  bool      bDeblockingParallelFlag;        // deblocking filter parallelization control flag
   int32_t   iBitsVaryPercentage;
   short
   iCountThreadsNum;                       //              # derived from disable_multiple_slice_idc (=0 or >1) means;
 
-  int8_t		iDecompStages;		// GOP size dependency
+  int8_t   iDecompStages;          // GOP size dependency
   int32_t  iMaxNumRefFrame;
 
  public:
@@ -125,46 +125,46 @@
 
   static void FillDefault (SEncParamExt& param) {
     memset (&param, 0, sizeof (param));
-    param.uiIntraPeriod		= 0;			// intra period (multiple of GOP size as desired)
-    param.iNumRefFrame		= AUTO_REF_PIC_COUNT;// number of reference frame used
+    param.uiIntraPeriod         = 0;                    // intra period (multiple of GOP size as desired)
+    param.iNumRefFrame          = AUTO_REF_PIC_COUNT;// number of reference frame used
 
-    param.iPicWidth	= 0;    //   actual input picture width
-    param.iPicHeight	= 0;	//   actual input picture height
+    param.iPicWidth             = 0;    //   actual input picture width
+    param.iPicHeight            = 0;    //   actual input picture height
 
-    param.fMaxFrameRate		= MAX_FRAME_RATE;	// maximal frame rate [Hz / fps]
+    param.fMaxFrameRate         = MAX_FRAME_RATE;       // maximal frame rate [Hz / fps]
 
-    param.iComplexityMode = MEDIUM_COMPLEXITY;
-    param.iTargetBitrate			= UNSPECIFIED_BIT_RATE;	// overall target bitrate introduced in RC module
-    param.iMaxBitrate         = UNSPECIFIED_BIT_RATE;
-    param.iMultipleThreadIdc		= 1;
+    param.iComplexityMode       = MEDIUM_COMPLEXITY;
+    param.iTargetBitrate        = UNSPECIFIED_BIT_RATE; // overall target bitrate introduced in RC module
+    param.iMaxBitrate           = UNSPECIFIED_BIT_RATE;
+    param.iMultipleThreadIdc    = 1;
 
-    param.iLTRRefNum				= 0;
-    param.iLtrMarkPeriod			= 30;	//the min distance of two int32_t references
+    param.iLTRRefNum            = 0;
+    param.iLtrMarkPeriod        = 30;   //the min distance of two int32_t references
 
-    param.bEnableSSEI					= false;
-    param.bSimulcastAVC       = false;
-    param.bEnableFrameCroppingFlag	= true;	// enable frame cropping flag: true alwayse in application
+    param.bEnableSSEI           = false;
+    param.bSimulcastAVC         = false;
+    param.bEnableFrameCroppingFlag = true; // enable frame cropping flag: true alwayse in application
     // false: Streaming Video Sharing; true: Video Conferencing Meeting;
 
     /* Deblocking loop filter */
-    param.iLoopFilterDisableIdc		= 0;	// 0: on, 1: off, 2: on except for slice boundaries
-    param.iLoopFilterAlphaC0Offset	= 0;	// AlphaOffset: valid range [-6, 6], default 0
-    param.iLoopFilterBetaOffset		= 0;	// BetaOffset:	valid range [-6, 6], default 0
+    param.iLoopFilterDisableIdc         = 0;    // 0: on, 1: off, 2: on except for slice boundaries
+    param.iLoopFilterAlphaC0Offset      = 0;    // AlphaOffset: valid range [-6, 6], default 0
+    param.iLoopFilterBetaOffset         = 0;    // BetaOffset:  valid range [-6, 6], default 0
 
     /* Rate Control */
-    param.iRCMode			= RC_QUALITY_MODE;
-    param.iPaddingFlag	= 0;
-    param.iEntropyCodingModeFlag = 0;
-    param.bEnableDenoise				= false;	// denoise control
-    param.bEnableSceneChangeDetect	= true;		// scene change detection control
-    param.bEnableBackgroundDetection	= true;		// background detection control
-    param.bEnableAdaptiveQuant		= true;		// adaptive quantization control
-    param.bEnableFrameSkip		= true;		// frame skipping
-    param.bEnableLongTermReference	= false;	// long term reference control
-    param.eSpsPpsIdStrategy	= INCREASING_ID;		// pSps pPps id addition control
-    param.bPrefixNalAddingCtrl		= false;		// prefix NAL adding control
-    param.iSpatialLayerNum		= 1;		// number of dependency(Spatial/CGS) layers used to be encoded
-    param.iTemporalLayerNum			= 1;		// number of temporal layer specified
+    param.iRCMode                       = RC_QUALITY_MODE;
+    param.iPaddingFlag                  = 0;
+    param.iEntropyCodingModeFlag        = 0;
+    param.bEnableDenoise                = false;        // denoise control
+    param.bEnableSceneChangeDetect      = true;         // scene change detection control
+    param.bEnableBackgroundDetection    = true;         // background detection control
+    param.bEnableAdaptiveQuant          = true;         // adaptive quantization control
+    param.bEnableFrameSkip              = true;         // frame skipping
+    param.bEnableLongTermReference      = false;        // long term reference control
+    param.eSpsPpsIdStrategy             = INCREASING_ID;// pSps pPps id addition control
+    param.bPrefixNalAddingCtrl          = false;        // prefix NAL adding control
+    param.iSpatialLayerNum              = 1;            // number of dependency(Spatial/CGS) layers used to be encoded
+    param.iTemporalLayerNum             = 1;            // number of temporal layer specified
 
     param.iMaxQp = 51;
     param.iMinQp = 0;
@@ -188,28 +188,28 @@
 
   void FillDefault() {
     FillDefault (*this);
-    uiGopSize			= 1;			// GOP size (at maximal frame rate: 16)
+    uiGopSize = 1;                      // GOP size (at maximal frame rate: 16)
     iMaxNumRefFrame = AUTO_REF_PIC_COUNT;
-    SUsedPicRect.iLeft	=
-      SUsedPicRect.iTop	=
-        SUsedPicRect.iWidth	=
-          SUsedPicRect.iHeight = 0;	// the rect in input picture that encoder actually used
+    SUsedPicRect.iLeft =
+      SUsedPicRect.iTop =
+        SUsedPicRect.iWidth =
+          SUsedPicRect.iHeight = 0;     // the rect in input picture that encoder actually used
 
-    pCurPath			= NULL; // record current lib path such as:/pData/pData/com.wels.enc/lib/
+    pCurPath                    = NULL; // record current lib path such as:/pData/pData/com.wels.enc/lib/
 
-    bDeblockingParallelFlag = false;	// deblocking filter parallelization control flag
+    bDeblockingParallelFlag     = false;// deblocking filter parallelization control flag
 
-    iCountThreadsNum		= 1;	//		# derived from disable_multiple_slice_idc (=0 or >1) means;
+    iCountThreadsNum            = 1;    // # derived from disable_multiple_slice_idc (=0 or >1) means;
 
-    iDecompStages				= 0;	// GOP size dependency, unknown here and be revised later
+    iDecompStages               = 0;    // GOP size dependency, unknown here and be revised later
     iBitsVaryPercentage = 0;
   }
 
   int32_t ParamBaseTranscode (const SEncParamBase& pCodingParam) {
 
-    fMaxFrameRate		= WELS_CLIP3 (pCodingParam.fMaxFrameRate, MIN_FRAME_RATE, MAX_FRAME_RATE);
-    iTargetBitrate	= pCodingParam.iTargetBitrate;
-    iUsageType = pCodingParam.iUsageType;
+    fMaxFrameRate  = WELS_CLIP3 (pCodingParam.fMaxFrameRate, MIN_FRAME_RATE, MAX_FRAME_RATE);
+    iTargetBitrate = pCodingParam.iTargetBitrate;
+    iUsageType  = pCodingParam.iUsageType;
     iPicWidth   = pCodingParam.iPicWidth;
     iPicHeight  = pCodingParam.iPicHeight;
 
@@ -220,34 +220,34 @@
 
     iRCMode = pCodingParam.iRCMode;    // rc mode
 
-    int8_t iIdxSpatial	= 0;
-    EProfileIdc uiProfileIdc		= PRO_BASELINE;
+    int8_t iIdxSpatial = 0;
+    EProfileIdc uiProfileIdc = PRO_BASELINE;
     if (iEntropyCodingModeFlag)
       uiProfileIdc = PRO_MAIN;
-    SSpatialLayerInternal* pDlp		= &sDependencyLayers[0];
+    SSpatialLayerInternal* pDlp = &sDependencyLayers[0];
 
     while (iIdxSpatial < iSpatialLayerNum) {
 
-      sSpatialLayers->uiProfileIdc		= uiProfileIdc;
-      sSpatialLayers->uiLevelIdc		= LEVEL_UNKNOWN;
-      sSpatialLayers[iIdxSpatial].fFrameRate	= WELS_CLIP3 (pCodingParam.fMaxFrameRate,
+      sSpatialLayers->uiProfileIdc              = uiProfileIdc;
+      sSpatialLayers->uiLevelIdc                = LEVEL_UNKNOWN;
+      sSpatialLayers[iIdxSpatial].fFrameRate    = WELS_CLIP3 (pCodingParam.fMaxFrameRate,
           MIN_FRAME_RATE, MAX_FRAME_RATE);
-      pDlp->fInputFrameRate	=
-        pDlp->fOutputFrameRate	= WELS_CLIP3 (sSpatialLayers[iIdxSpatial].fFrameRate, MIN_FRAME_RATE,
+      pDlp->fInputFrameRate =
+        pDlp->fOutputFrameRate = WELS_CLIP3 (sSpatialLayers[iIdxSpatial].fFrameRate, MIN_FRAME_RATE,
                                               MAX_FRAME_RATE);
 #ifdef ENABLE_FRAME_DUMP
-      pDlp->sRecFileName[0]	= '\0';	// file to be constructed
+      pDlp->sRecFileName[0] = '\0'; // file to be constructed
 #endif//ENABLE_FRAME_DUMP
       pDlp->iActualWidth = sSpatialLayers[iIdxSpatial].iVideoWidth = iPicWidth;
       pDlp->iActualHeight = sSpatialLayers[iIdxSpatial].iVideoHeight = iPicHeight;
 
-      sSpatialLayers->iSpatialBitrate	=
-        sSpatialLayers[iIdxSpatial].iSpatialBitrate = pCodingParam.iTargetBitrate;	// target bitrate for current spatial layer
+      sSpatialLayers->iSpatialBitrate =
+        sSpatialLayers[iIdxSpatial].iSpatialBitrate = pCodingParam.iTargetBitrate; // target bitrate for current spatial layer
 
-      sSpatialLayers->iMaxSpatialBitrate	= UNSPECIFIED_BIT_RATE;
+      sSpatialLayers->iMaxSpatialBitrate = UNSPECIFIED_BIT_RATE;
       sSpatialLayers->iDLayerQp = SVC_QUALITY_BASE_QP;
 
-      uiProfileIdc	= (!bSimulcastAVC) ? PRO_SCALABLE_BASELINE : PRO_BASELINE;
+      uiProfileIdc = (!bSimulcastAVC) ? PRO_SCALABLE_BASELINE : PRO_BASELINE;
       ++ pDlp;
       ++ iIdxSpatial;
     }
@@ -264,7 +264,7 @@
     pCodingParam->fMaxFrameRate  = fMaxFrameRate;
   }
   int32_t ParamTranscode (const SEncParamExt& pCodingParam) {
-    float fParamMaxFrameRate		= WELS_CLIP3 (pCodingParam.fMaxFrameRate, MIN_FRAME_RATE, MAX_FRAME_RATE);
+    float fParamMaxFrameRate = WELS_CLIP3 (pCodingParam.fMaxFrameRate, MIN_FRAME_RATE, MAX_FRAME_RATE);
 
     iUsageType = pCodingParam.iUsageType;
     iPicWidth   = pCodingParam.iPicWidth;
@@ -280,11 +280,11 @@
     iMultipleThreadIdc = pCodingParam.iMultipleThreadIdc;
 
     /* Deblocking loop filter */
-    iLoopFilterDisableIdc	= pCodingParam.iLoopFilterDisableIdc;	// 0: on, 1: off, 2: on except for slice boundaries,
-    iLoopFilterAlphaC0Offset = pCodingParam.iLoopFilterAlphaC0Offset;	// AlphaOffset: valid range [-6, 6], default 0
-    iLoopFilterBetaOffset = pCodingParam.iLoopFilterBetaOffset;	// BetaOffset:	valid range [-6, 6], default 0
-    iEntropyCodingModeFlag = pCodingParam.iEntropyCodingModeFlag;
-    bEnableFrameCroppingFlag	= pCodingParam.bEnableFrameCroppingFlag;
+    iLoopFilterDisableIdc       = pCodingParam.iLoopFilterDisableIdc;      // 0: on, 1: off, 2: on except for slice boundaries,
+    iLoopFilterAlphaC0Offset    = pCodingParam.iLoopFilterAlphaC0Offset;   // AlphaOffset: valid range [-6, 6], default 0
+    iLoopFilterBetaOffset       = pCodingParam.iLoopFilterBetaOffset;      // BetaOffset:  valid range [-6, 6], default 0
+    iEntropyCodingModeFlag      = pCodingParam.iEntropyCodingModeFlag;
+    bEnableFrameCroppingFlag    = pCodingParam.bEnableFrameCroppingFlag;
 
     /* Rate Control */
     iRCMode = pCodingParam.iRCMode;    // rc mode
@@ -291,7 +291,7 @@
     bSimulcastAVC = pCodingParam.bSimulcastAVC;
     iPaddingFlag = pCodingParam.iPaddingFlag;
 
-    iTargetBitrate		= pCodingParam.iTargetBitrate;	// target bitrate
+    iTargetBitrate      = pCodingParam.iTargetBitrate;  // target bitrate
     iMaxBitrate         = pCodingParam.iMaxBitrate;
     if (iMaxBitrate < iTargetBitrate) {
       iMaxBitrate  = iTargetBitrate;
@@ -302,19 +302,19 @@
     bEnableDenoise = pCodingParam.bEnableDenoise ? true : false;    // Denoise Control  // only support 0 or 1 now
 
     /* Scene change detection control */
-    bEnableSceneChangeDetect	= pCodingParam.bEnableSceneChangeDetect;
+    bEnableSceneChangeDetect   = pCodingParam.bEnableSceneChangeDetect;
 
     /* Background detection Control */
     bEnableBackgroundDetection = pCodingParam.bEnableBackgroundDetection ? true : false;
 
     /* Adaptive quantization control */
-    bEnableAdaptiveQuant	= pCodingParam.bEnableAdaptiveQuant ? true : false;
+    bEnableAdaptiveQuant       = pCodingParam.bEnableAdaptiveQuant ? true : false;
 
     /* Frame skipping */
-    bEnableFrameSkip	= pCodingParam.bEnableFrameSkip ? true : false;
+    bEnableFrameSkip           = pCodingParam.bEnableFrameSkip ? true : false;
 
     /* Enable int32_t term reference */
-    bEnableLongTermReference	= pCodingParam.bEnableLongTermReference ? true : false;
+    bEnableLongTermReference   = pCodingParam.bEnableLongTermReference ? true : false;
     iLtrMarkPeriod = pCodingParam.iLtrMarkPeriod;
     bIsLosslessLink = pCodingParam.bIsLosslessLink;
     if (iUsageType == SCREEN_CONTENT_REAL_TIME && !bIsLosslessLink && bEnableLongTermReference) {
@@ -322,21 +322,21 @@
     }
 
     /* For ssei information */
-    bEnableSSEI		= pCodingParam.bEnableSSEI;
-    bSimulcastAVC		= pCodingParam.bSimulcastAVC;
+    bEnableSSEI         = pCodingParam.bEnableSSEI;
+    bSimulcastAVC       = pCodingParam.bSimulcastAVC;
 
     /* Layer definition */
-    iSpatialLayerNum	= (int8_t)WELS_CLIP3 (pCodingParam.iSpatialLayerNum, 1,
+    iSpatialLayerNum = (int8_t)WELS_CLIP3 (pCodingParam.iSpatialLayerNum, 1,
                                             MAX_DEPENDENCY_LAYER); // number of dependency(Spatial/CGS) layers used to be encoded
-    iTemporalLayerNum		= (int8_t)WELS_CLIP3 (pCodingParam.iTemporalLayerNum, 1,
+    iTemporalLayerNum = (int8_t)WELS_CLIP3 (pCodingParam.iTemporalLayerNum, 1,
                           MAX_TEMPORAL_LEVEL); // number of temporal layer specified
 
-    uiGopSize			= 1 << (iTemporalLayerNum - 1);	// Override GOP size based temporal layer
-    iDecompStages		= iTemporalLayerNum - 1;	// WELS_LOG2( uiGopSize );// GOP size dependency
-    uiIntraPeriod		= pCodingParam.uiIntraPeriod;// intra period (multiple of GOP size as desired)
+    uiGopSize           = 1 << (iTemporalLayerNum - 1); // Override GOP size based temporal layer
+    iDecompStages       = iTemporalLayerNum - 1;        // WELS_LOG2( uiGopSize );// GOP size dependency
+    uiIntraPeriod       = pCodingParam.uiIntraPeriod;// intra period (multiple of GOP size as desired)
     if (uiIntraPeriod == (uint32_t) (-1))
       uiIntraPeriod = 0;
-    else if (uiIntraPeriod & (uiGopSize - 1))	// none multiple of GOP size
+    else if (uiIntraPeriod & (uiGopSize - 1)) // none multiple of GOP size
       uiIntraPeriod = ((uiIntraPeriod + uiGopSize - 1) / uiGopSize) * uiGopSize;
 
     if (((pCodingParam.iNumRefFrame != AUTO_REF_PIC_COUNT)
@@ -350,7 +350,7 @@
     iLTRRefNum  = (pCodingParam.bEnableLongTermReference ? pCodingParam.iLTRRefNum : 0);
     iLtrMarkPeriod  = pCodingParam.iLtrMarkPeriod;
 
-    bPrefixNalAddingCtrl	= pCodingParam.bPrefixNalAddingCtrl;
+    bPrefixNalAddingCtrl = pCodingParam.bPrefixNalAddingCtrl;
 
     if ( (CONSTANT_ID == pCodingParam.eSpsPpsIdStrategy)
         || (INCREASING_ID == pCodingParam.eSpsPpsIdStrategy)
@@ -364,32 +364,32 @@
       // keep the default value
     }
 
-    SSpatialLayerInternal* pDlp		= &sDependencyLayers[0];
+    SSpatialLayerInternal* pDlp        = &sDependencyLayers[0];
     SSpatialLayerConfig* pSpatialLayer = &sSpatialLayers[0];
-    EProfileIdc uiProfileIdc		= PRO_BASELINE;
-    int8_t iIdxSpatial	= 0;
+    EProfileIdc uiProfileIdc           = PRO_BASELINE;
+    int8_t iIdxSpatial  = 0;
     while (iIdxSpatial < iSpatialLayerNum) {
-      pSpatialLayer->uiProfileIdc		= (pCodingParam.sSpatialLayers[iIdxSpatial].uiProfileIdc == PRO_UNKNOWN) ? uiProfileIdc :
+      pSpatialLayer->uiProfileIdc      = (pCodingParam.sSpatialLayers[iIdxSpatial].uiProfileIdc == PRO_UNKNOWN) ? uiProfileIdc :
                                       pCodingParam.sSpatialLayers[iIdxSpatial].uiProfileIdc;
       pSpatialLayer->uiLevelIdc        = pCodingParam.sSpatialLayers[iIdxSpatial].uiLevelIdc;
 
-      float fLayerFrameRate	= WELS_CLIP3 (pCodingParam.sSpatialLayers[iIdxSpatial].fFrameRate,
+      float fLayerFrameRate     = WELS_CLIP3 (pCodingParam.sSpatialLayers[iIdxSpatial].fFrameRate,
                                           MIN_FRAME_RATE, fParamMaxFrameRate);
-      pDlp->fInputFrameRate	= fParamMaxFrameRate;
+      pDlp->fInputFrameRate     = fParamMaxFrameRate;
       pSpatialLayer->fFrameRate =
-        pDlp->fOutputFrameRate	= WELS_CLIP3 (fLayerFrameRate, MIN_FRAME_RATE, fParamMaxFrameRate);
+        pDlp->fOutputFrameRate  = WELS_CLIP3 (fLayerFrameRate, MIN_FRAME_RATE, fParamMaxFrameRate);
 
 #ifdef ENABLE_FRAME_DUMP
-      pDlp->sRecFileName[0]	= '\0';	// file to be constructed
+      pDlp->sRecFileName[0]     = '\0'; // file to be constructed
 #endif//ENABLE_FRAME_DUMP
       pSpatialLayer->iVideoWidth = WELS_CLIP3 (pCodingParam.sSpatialLayers[iIdxSpatial].iVideoWidth, 0,
-                                   iPicWidth);	// frame width
+                                   iPicWidth);  // frame width
       pSpatialLayer->iVideoHeight = WELS_CLIP3 (pCodingParam.sSpatialLayers[iIdxSpatial].iVideoHeight, 0,
                                     iPicHeight);// frame height
 
-      pSpatialLayer->iSpatialBitrate	=
-        pCodingParam.sSpatialLayers[iIdxSpatial].iSpatialBitrate;	// target bitrate for current spatial layer
-      pSpatialLayer->iMaxSpatialBitrate	=
+      pSpatialLayer->iSpatialBitrate    =
+        pCodingParam.sSpatialLayers[iIdxSpatial].iSpatialBitrate;       // target bitrate for current spatial layer
+      pSpatialLayer->iMaxSpatialBitrate =
         pCodingParam.sSpatialLayers[iIdxSpatial].iMaxSpatialBitrate;
 
       //multi slice
@@ -400,12 +400,12 @@
         = pCodingParam.sSpatialLayers[iIdxSpatial].sSliceCfg.sSliceArgument.uiSliceNum;
       const int32_t kiLesserSliceNum = ((MAX_SLICES_NUM < MAX_SLICES_NUM_TMP) ? MAX_SLICES_NUM : MAX_SLICES_NUM_TMP);
       memcpy (pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceMbNum,
-              pCodingParam.sSpatialLayers[iIdxSpatial].sSliceCfg.sSliceArgument.uiSliceMbNum,	// confirmed_safe_unsafe_usage
+              pCodingParam.sSpatialLayers[iIdxSpatial].sSliceCfg.sSliceArgument.uiSliceMbNum, // confirmed_safe_unsafe_usage
               kiLesserSliceNum * sizeof (uint32_t)) ;
 
       pSpatialLayer->iDLayerQp = pCodingParam.sSpatialLayers[iIdxSpatial].iDLayerQp;
 
-      uiProfileIdc	= (!bSimulcastAVC) ? PRO_SCALABLE_BASELINE : PRO_BASELINE;
+      uiProfileIdc = (!bSimulcastAVC) ? PRO_SCALABLE_BASELINE : PRO_BASELINE;
       ++ pDlp;
       ++ pSpatialLayer;
       ++ iIdxSpatial;
@@ -419,9 +419,9 @@
 // assuming that the width/height ratio of all spatial layers are the same
 
   void SetActualPicResolution() {
-    int32_t iSpatialIdx			= iSpatialLayerNum - 1;
+    int32_t iSpatialIdx = iSpatialLayerNum - 1;
     for (; iSpatialIdx >= 0; iSpatialIdx --) {
-      SSpatialLayerInternal* pDlayerInternal		= &sDependencyLayers[iSpatialIdx];
+      SSpatialLayerInternal* pDlayerInternal = &sDependencyLayers[iSpatialIdx];
       SSpatialLayerConfig* pDlayer =  &sSpatialLayers[iSpatialIdx];
 
       pDlayerInternal->iActualWidth = pDlayer->iVideoWidth;
@@ -437,17 +437,16 @@
   * \return NONE (should ensure valid parameter before this procedure)
   */
   int32_t DetermineTemporalSettings() {
-    const int32_t iDecStages		= WELS_LOG2 (
-                                    uiGopSize);	// (int8_t)GetLogFactor(1.0f, 1.0f * pcfg->uiGopSize);	//log2(uiGopSize)
-    const uint8_t* pTemporalIdList	= &g_kuiTemporalIdListTable[iDecStages][0];
-    SSpatialLayerInternal* pDlp				= &sDependencyLayers[0];
+    const int32_t iDecStages = WELS_LOG2 (uiGopSize); // (int8_t)GetLogFactor(1.0f, 1.0f * pcfg->uiGopSize);  //log2(uiGopSize)
+    const uint8_t* pTemporalIdList = &g_kuiTemporalIdListTable[iDecStages][0];
+    SSpatialLayerInternal* pDlp    = &sDependencyLayers[0];
     SSpatialLayerConfig* pSpatialLayer = &sSpatialLayers[0];
     EProfileIdc uiProfileIdc = iEntropyCodingModeFlag ? PRO_MAIN : PRO_BASELINE;
-    int8_t i						= 0;
+    int8_t i = 0;
 
     while (i < iSpatialLayerNum) {
-      const uint32_t kuiLogFactorInOutRate	= GetLogFactor (pDlp->fOutputFrameRate, pDlp->fInputFrameRate);
-      const uint32_t kuiLogFactorMaxInRate	= GetLogFactor (pDlp->fInputFrameRate, fMaxFrameRate);
+      const uint32_t kuiLogFactorInOutRate = GetLogFactor (pDlp->fOutputFrameRate, pDlp->fInputFrameRate);
+      const uint32_t kuiLogFactorMaxInRate = GetLogFactor (pDlp->fInputFrameRate, fMaxFrameRate);
       if (UINT_MAX == kuiLogFactorInOutRate || UINT_MAX == kuiLogFactorMaxInRate) {
         return ENC_RETURN_INVALIDINPUT;
       }
@@ -455,9 +454,9 @@
       int8_t iMaxTemporalId = 0;
 
       memset (pDlp->uiCodingIdx2TemporalId, INVALID_TEMPORAL_ID, sizeof (pDlp->uiCodingIdx2TemporalId));
-      pSpatialLayer->uiProfileIdc = uiProfileIdc;	// PRO_BASELINE, PRO_SCALABLE_BASELINE;
+      pSpatialLayer->uiProfileIdc = uiProfileIdc; // PRO_BASELINE, PRO_SCALABLE_BASELINE;
 
-      iNotCodedMask	= (1 << (kuiLogFactorInOutRate + kuiLogFactorMaxInRate)) - 1;
+      iNotCodedMask = (1 << (kuiLogFactorInOutRate + kuiLogFactorMaxInRate)) - 1;
       for (uint32_t uiFrameIdx = 0; uiFrameIdx <= uiGopSize; ++ uiFrameIdx) {
         if (0 == (uiFrameIdx & iNotCodedMask)) {
           const int8_t kiTemporalId = pTemporalIdList[uiFrameIdx];
@@ -468,14 +467,14 @@
         }
       }
 
-      pDlp->iHighestTemporalId	= iMaxTemporalId;
-      pDlp->iTemporalResolution	= kuiLogFactorMaxInRate + kuiLogFactorInOutRate;
-      pDlp->iDecompositionStages	= iDecStages - kuiLogFactorMaxInRate - kuiLogFactorInOutRate;
+      pDlp->iHighestTemporalId   = iMaxTemporalId;
+      pDlp->iTemporalResolution  = kuiLogFactorMaxInRate + kuiLogFactorInOutRate;
+      pDlp->iDecompositionStages = iDecStages - kuiLogFactorMaxInRate - kuiLogFactorInOutRate;
       if (pDlp->iDecompositionStages < 0) {
         return ENC_RETURN_INVALIDINPUT;
       }
 
-      uiProfileIdc	= bSimulcastAVC ? (iEntropyCodingModeFlag ? PRO_HIGH : PRO_BASELINE) :
+      uiProfileIdc = bSimulcastAVC ? (iEntropyCodingModeFlag ? PRO_HIGH : PRO_BASELINE) :
                       (iEntropyCodingModeFlag ? PRO_SCALABLE_HIGH : PRO_SCALABLE_BASELINE);
       ++ pDlp;
       ++ pSpatialLayer;
@@ -493,9 +492,9 @@
   SSubsetSps          sSubsetSps[MAX_SPS_COUNT];
   SWelsPPS            sPps[MAX_PPS_COUNT];
 
-  uint32_t	          uiInUseSpsNum;
-  uint32_t	          uiInUseSubsetSpsNum;
-  uint32_t	          uiInUsePpsNum;
+  uint32_t            uiInUseSpsNum;
+  uint32_t            uiInUseSubsetSpsNum;
+  uint32_t            uiInUsePpsNum;
 } SExistingParasetList;
 
 
--- a/codec/encoder/core/inc/parameter_sets.h
+++ b/codec/encoder/core/inc/parameter_sets.h
@@ -41,49 +41,49 @@
 
 /* Sequence Parameter Set, refer to Page 57 in JVT X201wcm */
 typedef struct TagWelsSPS {
-uint32_t	uiSpsId;
-int16_t		iMbWidth;
-int16_t		iMbHeight;
-uint32_t	uiLog2MaxFrameNum;
-//	uint32_t	uiPocType;
+uint32_t        uiSpsId;
+int16_t         iMbWidth;
+int16_t         iMbHeight;
+uint32_t        uiLog2MaxFrameNum;
+// uint32_t        uiPocType;
 /* POC type 0 */
-int32_t		iLog2MaxPocLsb;
+int32_t         iLog2MaxPocLsb;
 /* POC type 1 */
-//	int32_t		iOffsetForNonRefPic;
+// int32_t         iOffsetForNonRefPic;
 
-//	int32_t		iOffsetForTopToBottomField;
-//	int32_t		iNumRefFramesInPocCycle;
-//	int8_t		iOffsetForRefFrame[256];
-SCropOffset	sFrameCrop;
-int16_t		iNumRefFrames;
-//	uint32_t	uiNumUnitsInTick;
-//	uint32_t	uiTimeScale;
+// int32_t         iOffsetForTopToBottomField;
+// int32_t         iNumRefFramesInPocCycle;
+// int8_t          iOffsetForRefFrame[256];
+SCropOffset     sFrameCrop;
+int16_t         iNumRefFrames;
+// uint32_t        uiNumUnitsInTick;
+// uint32_t        uiTimeScale;
 
-uint8_t		uiProfileIdc;
-uint8_t		iLevelIdc;
-//	uint8_t		uiChromaFormatIdc;
-//	uint8_t		uiChromaArrayType;		//support =1
+uint8_t         uiProfileIdc;
+uint8_t         iLevelIdc;
+// uint8_t         uiChromaFormatIdc;
+// uint8_t         uiChromaArrayType;              //support =1
 
-//	uint8_t		uiBitDepthLuma;         //=8, only used in decoder, encoder in general_***; it can be removed when removed general up_sample
-//	uint8_t		uiBitDepthChroma;		//=8
+// uint8_t         uiBitDepthLuma;         //=8, only used in decoder, encoder in general_***; it can be removed when removed general up_sample
+// uint8_t         uiBitDepthChroma;               //=8
 /* TO BE CONTINUE: POC type 1 */
-//	bool		bDeltaPicOrderAlwaysZeroFlag;
-bool		bGapsInFrameNumValueAllowedFlag;
+// bool            bDeltaPicOrderAlwaysZeroFlag;
+bool            bGapsInFrameNumValueAllowedFlag;
 
-//	bool		bFrameMbsOnlyFlag;
-//	bool		bMbaffFlag;	// MB Adapative Frame Field
-//	bool		bDirect8x8InferenceFlag;
-bool		bFrameCroppingFlag;
+// bool            bFrameMbsOnlyFlag;
+// bool            bMbaffFlag;     // MB Adapative Frame Field
+// bool            bDirect8x8InferenceFlag;
+bool            bFrameCroppingFlag;
 
-bool		bVuiParamPresentFlag;
-//	bool		bTimingInfoPresentFlag;
-//	bool		bFixedFrameRateFlag;
+bool            bVuiParamPresentFlag;
+// bool            bTimingInfoPresentFlag;
+// bool            bFixedFrameRateFlag;
 
-bool		bConstraintSet0Flag;
-bool		bConstraintSet1Flag;
-bool		bConstraintSet2Flag;
-bool		bConstraintSet3Flag;
-//	bool		bSeparateColorPlaneFlag;  // =false,: only used in decoder, encoder in general_***; it can be removed when removed general up_sample
+bool            bConstraintSet0Flag;
+bool            bConstraintSet1Flag;
+bool            bConstraintSet2Flag;
+bool            bConstraintSet3Flag;
+// bool            bSeparateColorPlaneFlag;  // =false,: only used in decoder, encoder in general_***; it can be removed when removed general up_sample
 
 } SWelsSPS, *PWelsSPS;
 
@@ -90,70 +90,70 @@
 
 /* Sequence Parameter Set SVC extension syntax, refer to Page 391 in JVT X201wcm */
 typedef struct TagSpsSvcExt {
-//	SCropOffset	sSeqScaledRefLayer;
+// SCropOffset     sSeqScaledRefLayer;
 
-uint8_t		iExtendedSpatialScalability;	// ESS
-//	uint8_t		uiChromaPhaseXPlus1Flag;
-//	uint8_t		uiChromaPhaseYPlus1;
-//	uint8_t		uiSeqRefLayerChromaPhaseXPlus1Flag;
-//	uint8_t		uiSeqRefLayerChromaPhaseYPlus1;
-//	bool		bInterLayerDeblockingFilterCtrlPresentFlag;
-bool		bSeqTcoeffLevelPredFlag;
-bool		bAdaptiveTcoeffLevelPredFlag;
-bool		bSliceHeaderRestrictionFlag;
+uint8_t         iExtendedSpatialScalability;    // ESS
+// uint8_t         uiChromaPhaseXPlus1Flag;
+// uint8_t         uiChromaPhaseYPlus1;
+// uint8_t         uiSeqRefLayerChromaPhaseXPlus1Flag;
+// uint8_t         uiSeqRefLayerChromaPhaseYPlus1;
+// bool            bInterLayerDeblockingFilterCtrlPresentFlag;
+bool            bSeqTcoeffLevelPredFlag;
+bool            bAdaptiveTcoeffLevelPredFlag;
+bool            bSliceHeaderRestrictionFlag;
 } SSpsSvcExt, *PSpsSvcExt;
 
 /* Subset sequence parameter set syntax, refer to Page 391 in JVT X201wcm */
 typedef struct TagSubsetSps {
-SWelsSPS		pSps;
-SSpsSvcExt	sSpsSvcExt;
+SWelsSPS                pSps;
+SSpsSvcExt      sSpsSvcExt;
 
-//	bool		bSvcVuiParamPresentFlag;
-//	bool		bAdditionalExtension2Flag;
-//	bool		bAdditionalExtension2DataFlag;
+// bool            bSvcVuiParamPresentFlag;
+// bool            bAdditionalExtension2Flag;
+// bool            bAdditionalExtension2DataFlag;
 } SSubsetSps, *PSubsetSps;
 
 /* Picture parameter set syntax, refer to Page 59 in JVT X201wcm */
 typedef struct TagWelsPPS {
-uint32_t	iSpsId;
-uint32_t	iPpsId;
+uint32_t        iSpsId;
+uint32_t        iPpsId;
 
 #if !defined(DISABLE_FMO_FEATURE)
-uint32_t	uiNumSliceGroups;
-uint32_t	uiSliceGroupMapType;
+uint32_t        uiNumSliceGroups;
+uint32_t        uiSliceGroupMapType;
 /* uiSliceGroupMapType = 0 */
-uint32_t	uiRunLength[MAX_SLICEGROUP_IDS];
+uint32_t        uiRunLength[MAX_SLICEGROUP_IDS];
 /* uiSliceGroupMapType = 2 */
-uint32_t	uiTopLeft[MAX_SLICEGROUP_IDS];
-uint32_t	uiBottomRight[MAX_SLICEGROUP_IDS];
+uint32_t        uiTopLeft[MAX_SLICEGROUP_IDS];
+uint32_t        uiBottomRight[MAX_SLICEGROUP_IDS];
 /* uiSliceGroupMapType = 3, 4 or 5 */
 /* uiSliceGroupMapType = 3, 4 or 5 */
-bool		bSliceGroupChangeDirectionFlag;
-uint32_t	uiSliceGroupChangeRate;
+bool            bSliceGroupChangeDirectionFlag;
+uint32_t        uiSliceGroupChangeRate;
 /* uiSliceGroupMapType = 6 */
-uint32_t	uiPicSizeInMapUnits;
-uint32_t	uiSliceGroupId[MAX_SLICEGROUP_IDS];
+uint32_t        uiPicSizeInMapUnits;
+uint32_t        uiSliceGroupId[MAX_SLICEGROUP_IDS];
 #endif//!DISABLE_FMO_FEATURE
 
-//	uint32_t	uiNumRefIdxL0Active;
-//	uint32_t	uiNumRefIdxL1Active;
+// uint32_t        uiNumRefIdxL0Active;
+// uint32_t        uiNumRefIdxL1Active;
 
-int8_t		iPicInitQp;
-int8_t		iPicInitQs;
-uint8_t		uiChromaQpIndexOffset;
+int8_t          iPicInitQp;
+int8_t          iPicInitQs;
+uint8_t         uiChromaQpIndexOffset;
 
 /* potential application for High profile */
-//	int32_t		iSecondChromaQpIndexOffset;
-//	/* potential application for High profile */
+// int32_t         iSecondChromaQpIndexOffset;
+// /* potential application for High profile */
 
-//	bool		bPicOrderPresentFlag;
+// bool            bPicOrderPresentFlag;
 bool    bEntropyCodingModeFlag;
-bool		bDeblockingFilterControlPresentFlag;
+bool            bDeblockingFilterControlPresentFlag;
 
-//	bool		bConstainedIntraPredFlag;
-//	bool		bRedundantPicCntPresentFlag;
-//	bool		bWeightedPredFlag;
-//	uint8_t		uiWeightedBiPredIdc;
+// bool            bConstainedIntraPredFlag;
+// bool            bRedundantPicCntPresentFlag;
+// bool            bWeightedPredFlag;
+// uint8_t         uiWeightedBiPredIdc;
 
 } SWelsPPS, *PWelsPPPS;
 
--- a/codec/encoder/core/inc/picture.h
+++ b/codec/encoder/core/inc/picture.h
@@ -104,18 +104,18 @@
    *    set picture as unreferenced
    */
   void SetUnref () {
-      iFramePoc		= -1;
-      iFrameNum		= -1;
-      uiTemporalId	=
-        uiSpatialId		=
-        iLongTermPicNum = -1;
-      bIsLongRef	= false;
+      iFramePoc          = -1;
+      iFrameNum          = -1;
+      uiTemporalId       =
+        uiSpatialId      =
+        iLongTermPicNum  = -1;
+      bIsLongRef         = false;
       uiRecieveConfirmed = RECIEVE_FAILED;
-      iMarkFrameNum = -1;
-      bUsedAsRef	= false;
+      iMarkFrameNum      = -1;
+      bUsedAsRef         = false;
 
       if (NULL != pScreenBlockFeatureStorage)
-        pScreenBlockFeatureStorage->bRefBlockFeatureCalculated	= false;
+        pScreenBlockFeatureStorage->bRefBlockFeatureCalculated = false;
   }
 
 } SPicture;
--- a/codec/encoder/core/inc/rc.h
+++ b/codec/encoder/core/inc/rc.h
@@ -203,7 +203,7 @@
 int32_t   iMaxFrameQp;
 int32_t   iNumberMbFrame;
 int32_t   iNumberMbGom;
-int32_t	  iSliceNum;
+int32_t   iSliceNum;
 int32_t   iGomSize;
 
 int32_t   iSkipFrameNum;
@@ -237,7 +237,7 @@
 int32_t   iPaddingBitrateStat;
 bool      bSkipFlag;
 
-SRCSlicing*	pSlicingOverRc;
+SRCSlicing*     pSlicingOverRc;
 SRCTemporal* pTemporalOverRc;
 
 //for scc
@@ -262,11 +262,11 @@
 typedef  void (*PWelsUpdateMaxBrCheckWindowStatusFunc)(sWelsEncCtx* pCtx, int32_t iSpatialNum, const long long uiTimeStamp);
 
 typedef  struct  WelsRcFunc_s {
-PWelsRCPictureInitFunc			pfWelsRcPictureInit;
-PWelsRCPictureDelayJudgeFunc      pfWelsRcPicDelayJudge;
-PWelsRCPictureInfoUpdateFunc	pfWelsRcPictureInfoUpdate;
-PWelsRCMBInitFunc				pfWelsRcMbInit;
-PWelsRCMBInfoUpdateFunc			pfWelsRcMbInfoUpdate;
+PWelsRCPictureInitFunc          pfWelsRcPictureInit;
+PWelsRCPictureDelayJudgeFunc    pfWelsRcPicDelayJudge;
+PWelsRCPictureInfoUpdateFunc    pfWelsRcPictureInfoUpdate;
+PWelsRCMBInitFunc               pfWelsRcMbInit;
+PWelsRCMBInfoUpdateFunc         pfWelsRcMbInfoUpdate;
 PWelsCheckFrameSkipBasedMaxbrFunc pfWelsCheckSkipBasedMaxbr;
 PWelsUpdateBufferWhenFrameSkippedFunc pfWelsUpdateBufferWhenSkip;
 PWelsUpdateMaxBrCheckWindowStatusFunc pfWelsUpdateMaxBrWindowStatus;
--- a/codec/encoder/core/inc/slice.h
+++ b/codec/encoder/core/inc/slice.h
@@ -53,11 +53,11 @@
  */
 typedef struct TagRefPicListReorderSyntax {
 struct {
-  uint32_t	uiAbsDiffPicNumMinus1; //uiAbsDiffPicNumMinus1 SHOULD be in the range of [4, (1<<pSps->uiLog2MaxFrameNum)-1], {p104, JVT-X201wcm1}
+  uint32_t      uiAbsDiffPicNumMinus1; //uiAbsDiffPicNumMinus1 SHOULD be in the range of [4, (1<<pSps->uiLog2MaxFrameNum)-1], {p104, JVT-X201wcm1}
   //but int8_t can't cover the range, SHOULD modify it.
-  uint16_t	iLongTermPicNum;
-  uint16_t	uiReorderingOfPicNumsIdc; //in order to pack 2-uint16_t into 1-(u)int32_t, so modify the type into uint16_t.
-} SReorderingSyntax[MAX_REFERENCE_REORDER_COUNT_NUM];	// MAX_REF_PIC_COUNT
+  uint16_t      iLongTermPicNum;
+  uint16_t      uiReorderingOfPicNumsIdc; //in order to pack 2-uint16_t into 1-(u)int32_t, so modify the type into uint16_t.
+} SReorderingSyntax[MAX_REFERENCE_REORDER_COUNT_NUM];   // MAX_REF_PIC_COUNT
 } SRefPicListReorderSyntax;
 
 
@@ -64,19 +64,19 @@
 /* Decoded reference picture marking syntax, refer to Page 66 in JVT X201wcm */
 typedef struct TagRefPicMarking {
 struct {
-  int32_t	iMmcoType;
-  int32_t iShortFrameNum;
-  int32_t	iDiffOfPicNum;
-  int32_t	iLongTermPicNum;
-  int32_t	iLongTermFrameIdx;
-  int32_t	iMaxLongTermFrameIdx;
-} SMmcoRef[MAX_REFERENCE_MMCO_COUNT_NUM];	// MAX_MMCO_COUNT
+  int32_t       iMmcoType;
+  int32_t       iShortFrameNum;
+  int32_t       iDiffOfPicNum;
+  int32_t       iLongTermPicNum;
+  int32_t       iLongTermFrameIdx;
+  int32_t       iMaxLongTermFrameIdx;
+} SMmcoRef[MAX_REFERENCE_MMCO_COUNT_NUM];       // MAX_MMCO_COUNT
 
-//	int32_t		mmco_index;
-uint8_t		uiMmcoCount;
-bool		bNoOutputOfPriorPicsFlag;
-bool		bLongTermRefFlag;
-bool		bAdaptiveRefPicMarkingModeFlag;
+// int32_t         mmco_index;
+uint8_t         uiMmcoCount;
+bool            bNoOutputOfPriorPicsFlag;
+bool            bLongTermRefFlag;
+bool            bAdaptiveRefPicMarkingModeFlag;
 } SRefPicMarking;
 
 
@@ -83,72 +83,72 @@
 /* Header of slice syntax elements, refer to Page 63 in JVT X201wcm */
 typedef struct TagSliceHeader {
 /*****************************slice header syntax and generated****************************/
-int32_t		iFirstMbInSlice;
-//	uint32_t	pic_parameter_set_id;
-int32_t		iFrameNum;
-int32_t		iPicOrderCntLsb;
+int32_t         iFirstMbInSlice;
+// uint32_t        pic_parameter_set_id;
+int32_t         iFrameNum;
+int32_t         iPicOrderCntLsb;
 
-//	int32_t		delta_pic_order_cnt_bottom;
-//	int32_t		delta_pic_order_cnt[2];
-//	int32_t		redundant_pic_cnt;
+// int32_t         delta_pic_order_cnt_bottom;
+// int32_t         delta_pic_order_cnt[2];
+// int32_t         redundant_pic_cnt;
 
-EWelsSliceType	eSliceType;
-uint8_t		uiNumRefIdxL0Active;			//
-//int32_t		num_ref_idx_l1_active_minus1	//B frame is not supported
-uint8_t		uiRefCount;
-//Ref_Pic				*ref_pic;
-uint8_t		uiRefIndex;	// exact reference picture index for slice
+EWelsSliceType  eSliceType;
+uint8_t         uiNumRefIdxL0Active;                    //
+//int32_t         num_ref_idx_l1_active_minus1    //B frame is not supported
+uint8_t         uiRefCount;
+//Ref_Pic         *ref_pic;
+uint8_t         uiRefIndex;     // exact reference picture index for slice
 
-int8_t		iSliceQpDelta;
-//	int32_t		slice_qp;
-//	int32_t		slice_qs_delta;		// For SP/SI slices
-uint8_t		uiDisableDeblockingFilterIdc;
-int8_t		iSliceAlphaC0Offset;
-int8_t		iSliceBetaOffset;
+int8_t          iSliceQpDelta;
+// int32_t         slice_qp;
+// int32_t         slice_qs_delta;         // For SP/SI slices
+uint8_t         uiDisableDeblockingFilterIdc;
+int8_t          iSliceAlphaC0Offset;
+int8_t          iSliceBetaOffset;
 #if !defined(DISABLE_FMO_FEATURE)
-int32_t		iSliceGroupChangeCycle;
+int32_t         iSliceGroupChangeCycle;
 #endif//!DISABLE_FMO_FEATURE
 
-SWelsSPS*			pSps;
-SWelsPPS*			pPps;
-int32_t		iSpsId;
-int32_t		iPpsId;
+SWelsSPS*       pSps;
+SWelsPPS*       pPps;
+int32_t         iSpsId;
+int32_t         iPpsId;
 
-uint16_t    uiIdrPicId;
-//	uint8_t		color_plane_id;//from?
+uint16_t        uiIdrPicId;
+// uint8_t         color_plane_id;//from?
 
-bool		bNumRefIdxActiveOverrideFlag;
-//	bool		field_pic_flag;		//not supported in base profile
-//	bool		bottom_field_flag;		//not supported in base profile
-uint8_t		uiPadding1Bytes;
+bool            bNumRefIdxActiveOverrideFlag;
+// bool            field_pic_flag;         //not supported in base profile
+// bool            bottom_field_flag;              //not supported in base profile
+uint8_t         uiPadding1Bytes;
 
-SRefPicMarking		sRefMarking;	// Decoded reference picture marking syntaxs
+SRefPicMarking  sRefMarking;    // Decoded reference picture marking syntaxs
 
-SRefPicListReorderSyntax	sRefReordering;	// Reference picture list reordering syntaxs
+SRefPicListReorderSyntax        sRefReordering; // Reference picture list reordering syntaxs
 } SSliceHeader, *PSliceHeader;
 
 
 /* SSlice header in scalable extension syntax, refer to Page 394 in JVT X201wcm */
 typedef struct TagSliceHeaderExt {
-SSliceHeader	sSliceHeader;
+SSliceHeader    sSliceHeader;
 
-SSubsetSps*	pSubsetSps;
+SSubsetSps*     pSubsetSps;
 
-uint32_t	uiNumMbsInSlice;
+uint32_t        uiNumMbsInSlice;
 
-bool		bStoreRefBasePicFlag;
-bool		bConstrainedIntraResamplingFlag;
-bool		bSliceSkipFlag;
+bool            bStoreRefBasePicFlag;
+bool            bConstrainedIntraResamplingFlag;
+bool            bSliceSkipFlag;
 
-bool		bAdaptiveBaseModeFlag;
-bool		bDefaultBaseModeFlag;
-bool		bAdaptiveMotionPredFlag;
-bool		bDefaultMotionPredFlag;
+bool            bAdaptiveBaseModeFlag;
+bool            bDefaultBaseModeFlag;
+bool            bAdaptiveMotionPredFlag;
+bool            bDefaultMotionPredFlag;
 
-bool		bAdaptiveResidualPredFlag;
-bool		bDefaultResidualPredFlag;
-bool		bTcoeffLevelPredFlag;
-uint8_t		uiDisableInterLayerDeblockingFilterIdc;
+bool            bAdaptiveResidualPredFlag;
+bool            bDefaultResidualPredFlag;
+bool            bTcoeffLevelPredFlag;
+uint8_t         uiDisableInterLayerDeblockingFilterIdc;
 
 } SSliceHeaderExt, *PSliceHeaderExt;
 
@@ -155,32 +155,32 @@
 
 typedef struct TagSlice {
 // mainly for multiple threads imp.
-SMbCache	sMbCacheInfo;	// MBCache is introduced within slice dependency
-SBitStringAux* pSliceBsa;
+SMbCache        sMbCacheInfo;   // MBCache is introduced within slice dependency
+SBitStringAux*  pSliceBsa;
 
 /*******************************sSliceHeader****************************/
-SSliceHeaderExt	sSliceHeaderExt;
+SSliceHeaderExt sSliceHeaderExt;
 
-SMVUnitXY	sMvStartMin;
-SMVUnitXY	sMvStartMax;
-SMVUnitXY	sMvc[5];
-uint8_t		uiMvcNum;
-uint8_t		sScaleShift;
+SMVUnitXY       sMvStartMin;
+SMVUnitXY       sMvStartMax;
+SMVUnitXY       sMvc[5];
+uint8_t         uiMvcNum;
+uint8_t         sScaleShift;
 
-uint32_t		uiSliceIdx;
-bool		bSliceHeaderExtFlag; // Indicate which slice header is used, avc or ext?
-uint8_t		uiLastMbQp;		// stored qp for last mb coded, maybe more efficient for mb skip detection etc.
+uint32_t        uiSliceIdx;
+bool            bSliceHeaderExtFlag; // Indicate which slice header is used, avc or ext?
+uint8_t         uiLastMbQp;             // stored qp for last mb coded, maybe more efficient for mb skip detection etc.
 
-bool		bDynamicSlicingSliceSizeCtrlFlag;
-uint8_t		uiAssumeLog2BytePerMb;
+bool            bDynamicSlicingSliceSizeCtrlFlag;
+uint8_t         uiAssumeLog2BytePerMb;
 
-uint32_t     uiSliceFMECostDown;//TODO: for FME switch under MT, to opt after ME final?
+uint32_t        uiSliceFMECostDown;//TODO: for FME switch under MT, to opt after ME final?
 
-uint8_t		uiReservedFillByte;	// reserved to meet 4 bytes alignment
+uint8_t         uiReservedFillByte;     // reserved to meet 4 bytes alignment
 
-SCabacCtx   sCabacCtx;
-int32_t     iCabacInitIdc;
-int32_t	    iMbSkipRun;
+SCabacCtx       sCabacCtx;
+int32_t         iCabacInitIdc;
+int32_t         iMbSkipRun;
 } SSlice, *PSlice;
 
 }
--- a/codec/encoder/core/inc/stat.h
+++ b/codec/encoder/core/inc/stat.h
@@ -47,9 +47,9 @@
  */
 typedef struct TagStatQuality {
 
-float	rYPsnr[5];
-float	rUPsnr[5];
-float	rVPsnr[5];
+float   rYPsnr[5];
+float   rUPsnr[5];
+float   rVPsnr[5];
 
 } SStatQuality;
 
@@ -59,10 +59,10 @@
 typedef struct TagComplexityStat {
 
 #ifdef FME_TEST
-int32_t		cost_time;
-int32_t		me_time;
-int32_t		mvp_time;
-int32_t		mvb_time;
+int32_t         cost_time;
+int32_t         me_time;
+int32_t         mvp_time;
+int32_t         mvb_time;
 #endif
 
 // any else?
@@ -75,9 +75,9 @@
 typedef struct TagStatSliceInfo {
 
 /* per slice info */
-int32_t		iSliceCount[5];
-int32_t		iSliceSize [5];
-int32_t		iMbCount   [5][18];
+int32_t         iSliceCount[5];
+int32_t         iSliceSize [5];
+int32_t         iMbCount   [5][18];
 
 } SStatSliceInfo;
 
@@ -87,13 +87,13 @@
 typedef struct TagStatData {
 
 // Quality
-SStatQuality		sQualityStat;
+SStatQuality    sQualityStat;
 
 // Complexity
-SComplexityStat		sComplexityStat;
+SComplexityStat sComplexityStat;
 
 // SSlice information output
-SStatSliceInfo		sSliceData;
+SStatSliceInfo  sSliceData;
 
 } SStatData;
 
--- a/codec/encoder/core/inc/svc_enc_frame.h
+++ b/codec/encoder/core/inc/svc_enc_frame.h
@@ -53,14 +53,14 @@
 
 ///////////////////////////////////DQ Layer level///////////////////////////////////
 
-typedef struct TagDqLayer	SDqLayer;
-typedef SDqLayer*            pDqLayer;
+typedef struct TagDqLayer   SDqLayer;
+typedef SDqLayer*           pDqLayer;
 
 typedef struct TagFeatureSearchPreparation {
-SScreenBlockFeatureStorage*	pRefBlockFeature;//point the the ref frame storage
+SScreenBlockFeatureStorage*     pRefBlockFeature;//point the the ref frame storage
 
-uint16_t*	pFeatureOfBlock;		// Feature of every block (8x8), begin with the point
-uint8_t      uiFeatureStrategyIndex;// index of hash strategy
+uint16_t*       pFeatureOfBlock;                // Feature of every block (8x8), begin with the point
+uint8_t         uiFeatureStrategyIndex;// index of hash strategy
 
 /* for FME frame-level switch */
 bool bFMESwitchFlag;
@@ -69,51 +69,51 @@
 } SFeatureSearchPreparation; //maintain only one
 
 typedef struct TagLayerInfo {
-SNalUnitHeaderExt		sNalHeaderExt;
+SNalUnitHeaderExt       sNalHeaderExt;
 SSlice*
-pSliceInLayer;// Here SSlice identify to Frame on concept, [iSliceIndex], need memory block external side	for MT
-SSubsetSps*				pSubsetSpsP;	// current pSubsetSps used, memory alloc in external
-SWelsSPS*						pSpsP;		// current pSps based avc used, memory alloc in external
-SWelsPPS*						pPpsP;		// current pPps used
+pSliceInLayer;// Here SSlice identify to Frame on concept, [iSliceIndex], need memory block external side       for MT
+SSubsetSps*             pSubsetSpsP;    // current pSubsetSps used, memory alloc in external
+SWelsSPS*               pSpsP;          // current pSps based avc used, memory alloc in external
+SWelsPPS*               pPpsP;          // current pPps used
 } SLayerInfo;
 /* Layer Representation */
 struct TagDqLayer {
-SLayerInfo				sLayerInfo;
+SLayerInfo              sLayerInfo;
 
-uint8_t*					pCsData[3];	// pointer to reconstructed picture pData
-int32_t					iCsStride[3];	// Cs stride
+uint8_t*                pCsData[3];     // pointer to reconstructed picture pData
+int32_t                 iCsStride[3];   // Cs stride
 
-uint8_t*					pEncData[3];	// pData picture to be encoded in current layer
-int32_t					iEncStride[3];	// pData picture stride
+uint8_t*                pEncData[3];    // pData picture to be encoded in current layer
+int32_t                 iEncStride[3];  // pData picture stride
 
-SMB*					sMbDataP;		// pointer to mb of mbAddr equal to 0 in slice, mb_data_ptr = mb_base_ptr + (1+iMbStride).
-int16_t					iMbWidth;		// MB width of this picture, equal to pSps.iMbWidth
-int16_t					iMbHeight;		// MB height of this picture, equal to pSps.iMbHeight;
+SMB*                    sMbDataP;       // pointer to mb of mbAddr equal to 0 in slice, mb_data_ptr = mb_base_ptr + (1+iMbStride).
+int16_t                 iMbWidth;       // MB width of this picture, equal to pSps.iMbWidth
+int16_t                 iMbHeight;      // MB height of this picture, equal to pSps.iMbHeight;
 
-bool					bBaseLayerAvailableFlag;	// whether base layer is available for prediction?
-bool					bSatdInMdFlag; // whether SATD is calculated in ME and integer-pel MD
+bool                    bBaseLayerAvailableFlag;        // whether base layer is available for prediction?
+bool                    bSatdInMdFlag; // whether SATD is calculated in ME and integer-pel MD
 
-uint8_t					iLoopFilterDisableIdc;	// 0: on, 1: off, 2: on except for slice boundaries
-int8_t					iLoopFilterAlphaC0Offset;// AlphaOffset: valid range [-6, 6], default 0
-int8_t					iLoopFilterBetaOffset;	// BetaOffset:	valid range [-6, 6], default 0
-uint8_t				    uiDisableInterLayerDeblockingFilterIdc;
-int8_t					iInterLayerSliceAlphaC0Offset;
-int8_t					iInterLayerSliceBetaOffset;
-bool					bDeblockingParallelFlag; //parallel_deblocking_flag
+uint8_t                 iLoopFilterDisableIdc;  // 0: on, 1: off, 2: on except for slice boundaries
+int8_t                  iLoopFilterAlphaC0Offset;// AlphaOffset: valid range [-6, 6], default 0
+int8_t                  iLoopFilterBetaOffset;  // BetaOffset:  valid range [-6, 6], default 0
+uint8_t                 uiDisableInterLayerDeblockingFilterIdc;
+int8_t                  iInterLayerSliceAlphaC0Offset;
+int8_t                  iInterLayerSliceBetaOffset;
+bool                    bDeblockingParallelFlag; //parallel_deblocking_flag
 
-SPicture*				pRefPic;			// reference picture pointer
-SPicture*				pDecPic;			// reconstruction picture pointer for layer
-SPicture*       pRefOri[MAX_REF_PIC_COUNT];
+SPicture*               pRefPic;        // reference picture pointer
+SPicture*               pDecPic;        // reconstruction picture pointer for layer
+SPicture*               pRefOri[MAX_REF_PIC_COUNT];
 
-SSliceCtx*			pSliceEncCtx;	// current slice context
+SSliceCtx*              pSliceEncCtx;   // current slice context
 
-int32_t*					pNumSliceCodedOfPartition;		// for dynamic slicing mode
-int32_t*					pLastCodedMbIdxOfPartition;	// for dynamic slicing mode
-int32_t*					pLastMbIdxOfPartition;			// for dynamic slicing mode
+int32_t*                pNumSliceCodedOfPartition;      // for dynamic slicing mode
+int32_t*                pLastCodedMbIdxOfPartition;     // for dynamic slicing mode
+int32_t*                pLastMbIdxOfPartition;          // for dynamic slicing mode
 
 SFeatureSearchPreparation* pFeatureSearchPreparation;
 
-SDqLayer*				pRefLayer;		// pointer to referencing dq_layer of current layer to be decoded
+SDqLayer*               pRefLayer;              // pointer to referencing dq_layer of current layer to be decoded
 
 };
 
--- a/codec/encoder/core/inc/svc_enc_macroblock.h
+++ b/codec/encoder/core/inc/svc_enc_macroblock.h
@@ -49,31 +49,31 @@
 typedef struct TagMB {
 /*************************mb_layer() syntax and generated********************************/
 /*mb_layer():*/
-Mb_Type		uiMbType;	// including MB detailed partition type, number and type of reference list
-int32_t		iMbXY;		// offset position of MB top left point based
-int16_t		iMbX;		// position of MB in horizontal axis [0..32767]
-int16_t		iMbY;		// position of MB in vertical axis [0..32767]
+Mb_Type         uiMbType;       // including MB detailed partition type, number and type of reference list
+int32_t         iMbXY;          // offset position of MB top left point based
+int16_t         iMbX;           // position of MB in horizontal axis [0..32767]
+int16_t         iMbY;           // position of MB in vertical axis [0..32767]
 
-uint8_t		uiNeighborAvail;	// avail && same_slice: LEFT_MB_POS:0x01, TOP_MB_POS:0x02, TOPRIGHT_MB_POS = 0x04 ,TOPLEFT_MB_POS = 0x08;
-uint8_t		uiCbp;
+uint8_t         uiNeighborAvail;        // avail && same_slice: LEFT_MB_POS:0x01, TOP_MB_POS:0x02, TOPRIGHT_MB_POS = 0x04 ,TOPLEFT_MB_POS = 0x08;
+uint8_t         uiCbp;
 
-SMVUnitXY*	sMv;
-int8_t*		pRefIndex;
+SMVUnitXY*      sMv;
+int8_t*         pRefIndex;
 
-int32_t*     pSadCost;				// mb sad. set to 0 for intra mb
-int8_t*      pIntra4x4PredMode;	// [MB_BLOCK4x4_NUM]
-int8_t*      pNonZeroCount;		// [MB_LUMA_CHROMA_BLOCK4x4_NUM]
+int32_t*        pSadCost;          // mb sad. set to 0 for intra mb
+int8_t*         pIntra4x4PredMode; // [MB_BLOCK4x4_NUM]
+int8_t*         pNonZeroCount;     // [MB_LUMA_CHROMA_BLOCK4x4_NUM]
 
-SMVUnitXY	sP16x16Mv;
+SMVUnitXY       sP16x16Mv;
 
-uint8_t		uiLumaQp;		// uiLumaQp: pPps->iInitialQp + sSliceHeader->delta_qp + mb->dquant.
-uint8_t		uiChromaQp;
-uint16_t		uiSliceIdc;	// 2^16=65536 > MaxFS(36864) of level 5.1; AVC: pFirstMbInSlice?; SVC: (pFirstMbInSlice << 7) | ((uiDependencyId << 4) | uiQualityId);
-uint32_t    uiChromPredMode;
-int32_t     iLumaDQp;
-SMVUnitXY   sMvd[4];
-int32_t     iCbpDc;
-//uint8_t		reserved_filling_bytes[1];	// not deleting this line for further changes of this structure. filling bytes reserved to make structure aligned with 4 bytes, higher cache hit on less structure size by 2 cache lines( 2 * 64 bytes) once hit
+uint8_t         uiLumaQp;       // uiLumaQp: pPps->iInitialQp + sSliceHeader->delta_qp + mb->dquant.
+uint8_t         uiChromaQp;
+uint16_t        uiSliceIdc;     // 2^16=65536 > MaxFS(36864) of level 5.1; AVC: pFirstMbInSlice?; SVC: (pFirstMbInSlice << 7) | ((uiDependencyId << 4) | uiQualityId);
+uint32_t        uiChromPredMode;
+int32_t         iLumaDQp;
+SMVUnitXY       sMvd[4];
+int32_t         iCbpDc;
+//uint8_t         reserved_filling_bytes[1];      // not deleting this line for further changes of this structure. filling bytes reserved to make structure aligned with 4 bytes, higher cache hit on less structure size by 2 cache lines( 2 * 64 bytes) once hit
 } SMB, *PMb;
 
 }
--- a/codec/encoder/core/inc/svc_enc_slice_segment.h
+++ b/codec/encoder/core/inc/svc_enc_slice_segment.h
@@ -77,30 +77,30 @@
  */
 /* Single/multiple slices */
 typedef struct SlicepEncCtx_s {
-SliceModeEnum		uiSliceMode;			/* 0: single slice in frame; 1: multiple slices in frame; */
-int16_t			iMbWidth;			/* width of picture size in mb */
-int16_t			iMbHeight;			/* height of picture size in mb */
-int32_t			iSliceNumInFrame;	/* count number of slices in frame; */
-int32_t			iMbNumInFrame;	/* count number of MBs in frame */
-uint16_t*			pOverallMbMap;	/* overall MB map in frame, store virtual slice idc; */
-int32_t*			pFirstMbInSlice;	/* first MB address top-left based in every slice respectively; */
-int32_t*			pCountMbNumInSlice;	/* count number of MBs in every slice respectively; */
-uint32_t		uiSliceSizeConstraint;/*in byte*/
-int32_t			iMaxSliceNumConstraint;/*maximal number of slices constraint*/
+SliceModeEnum           uiSliceMode;            /* 0: single slice in frame; 1: multiple slices in frame; */
+int16_t                 iMbWidth;               /* width of picture size in mb */
+int16_t                 iMbHeight;              /* height of picture size in mb */
+int32_t                 iSliceNumInFrame;       /* count number of slices in frame; */
+int32_t                 iMbNumInFrame;          /* count number of MBs in frame */
+uint16_t*               pOverallMbMap;          /* overall MB map in frame, store virtual slice idc; */
+int32_t*                pFirstMbInSlice;        /* first MB address top-left based in every slice respectively; */
+int32_t*                pCountMbNumInSlice;     /* count number of MBs in every slice respectively; */
+uint32_t                uiSliceSizeConstraint;  /* in byte */
+int32_t                 iMaxSliceNumConstraint; /* maximal number of slices constraint */
 } SSliceCtx;
 
 
 typedef struct TagDynamicSlicingStack {
-int32_t		iStartPos;
-int32_t		iCurrentPos;
+int32_t         iStartPos;
+int32_t         iCurrentPos;
 
-uint8_t*	pBsStackBufPtr;	// current writing position
-uint32_t    uiBsStackCurBits;
-int32_t		iBsStackLeftBits;
+uint8_t*        pBsStackBufPtr; // current writing position
+uint32_t        uiBsStackCurBits;
+int32_t         iBsStackLeftBits;
 
-SCabacCtx  sStoredCabac;
-int32_t		iMbSkipRunStack;
-uint8_t   uiLastMbQp;
+SCabacCtx       sStoredCabac;
+int32_t         iMbSkipRunStack;
+uint8_t         uiLastMbQp;
 } SDynamicSlicingStack;
 
 /*!
--- a/codec/encoder/core/inc/svc_encode_mb.h
+++ b/codec/encoder/core/inc/svc_encode_mb.h
@@ -48,16 +48,16 @@
 #include "wels_func_ptr_def.h"
 
 namespace WelsEnc {
-void	WelsDctMb (int16_t* pRs, uint8_t* pEncMb, int32_t iEncStride, uint8_t* pBestPred, PDctFunc pfDctFourT4);
+void WelsDctMb (int16_t* pRs, uint8_t* pEncMb, int32_t iEncStride, uint8_t* pBestPred, PDctFunc pfDctFourT4);
 
-void	WelsEncRecI16x16Y (sWelsEncCtx* pEncCtx, SMB* pCurMb, SMbCache* pMbCache);
-void	WelsEncRecI4x4Y (sWelsEncCtx* pEncCtx, SMB* pCurMb, SMbCache* pMbCache, uint8_t uiI4x4Idx);
-void	WelsEncInterY (SWelsFuncPtrList* func, SMB* pCurMb, SMbCache* pMbCache);
-void    WelsEncRecUV (SWelsFuncPtrList* func, SMB* pCurMb, SMbCache* pMbCache, int16_t* pRs, int32_t iUV);
-void    WelsRecPskip (SDqLayer* pCurDq, SWelsFuncPtrList* pFunc, SMB* pCurMb, SMbCache* pMbCache);
+void WelsEncRecI16x16Y (sWelsEncCtx* pEncCtx, SMB* pCurMb, SMbCache* pMbCache);
+void WelsEncRecI4x4Y (sWelsEncCtx* pEncCtx, SMB* pCurMb, SMbCache* pMbCache, uint8_t uiI4x4Idx);
+void WelsEncInterY (SWelsFuncPtrList* func, SMB* pCurMb, SMbCache* pMbCache);
+void WelsEncRecUV (SWelsFuncPtrList* func, SMB* pCurMb, SMbCache* pMbCache, int16_t* pRs, int32_t iUV);
+void WelsRecPskip (SDqLayer* pCurDq, SWelsFuncPtrList* pFunc, SMB* pCurMb, SMbCache* pMbCache);
 
-bool	WelsTryPYskip (sWelsEncCtx* pEncCtx, SMB* pCurMb, SMbCache* pMbCache);
-bool    WelsTryPUVskip (sWelsEncCtx* pEncCtx, SMB* pCurMb, SMbCache* pMbCache, int32_t iUV);
+bool WelsTryPYskip (sWelsEncCtx* pEncCtx, SMB* pCurMb, SMbCache* pMbCache);
+bool WelsTryPUVskip (sWelsEncCtx* pEncCtx, SMB* pCurMb, SMbCache* pMbCache, int32_t iUV);
 }
 #endif
 
--- a/codec/encoder/core/inc/svc_encode_slice.h
+++ b/codec/encoder/core/inc/svc_encode_slice.h
@@ -76,8 +76,8 @@
 int32_t WelsPSliceMdEncDynamic (sWelsEncCtx* pEncCtx, SSlice* pSlice,  const bool kbIsHighestDlayerFlag);
 
 //encapsulation func: store base rec, highest Dependency Layer(only one quality) rec, single layer rec
-int32_t WelsISliceMdEnc (sWelsEncCtx* pEncCtx, SSlice* pSlice);	// for intra non-dynamic slice
-int32_t WelsISliceMdEncDynamic (sWelsEncCtx* pEncCtx, SSlice* pSlice);	// for intra dynamic slice
+int32_t WelsISliceMdEnc (sWelsEncCtx* pEncCtx, SSlice* pSlice);         // for intra non-dynamic slice
+int32_t WelsISliceMdEncDynamic (sWelsEncCtx* pEncCtx, SSlice* pSlice);  // for intra dynamic slice
 
 int32_t WelsCodePSlice (sWelsEncCtx* pEncCtx, SSlice* pSlice);
 int32_t WelsCodePOverDynamicSlice (sWelsEncCtx* pEncCtx, SSlice* pSlice);
@@ -94,9 +94,9 @@
 void AddSliceBoundary (sWelsEncCtx* pEncCtx, SSlice* pCurSlice, SSliceCtx* pSliceCtx, SMB* pCurMb,
                        int32_t iNextSliceFirstMbIdx, const int32_t kiLastMbIdxInPartition);
 int32_t WelsMdInterMbLoop (sWelsEncCtx* pEncCtx, SSlice* pSlice, void* pMd,
-                           const int32_t kiSliceFirstMbXY);	// for inter non-dynamic slice
+                           const int32_t kiSliceFirstMbXY); // for inter non-dynamic slice
 int32_t WelsMdInterMbLoopOverDynamicSlice (sWelsEncCtx* pEncCtx, SSlice* pSlice, void* pMd,
-    const int32_t kiSliceFirstMbXY);	// for inter dynamic slice
+    const int32_t kiSliceFirstMbXY); // for inter dynamic slice
 
 
 bool DynSlcJudgeSliceBoundaryStepBack (void* pEncCtx, void* pSlice, SSliceCtx* pSliceCtx, SMB* pCurMb,
--- a/codec/encoder/core/inc/vlc_encoder.h
+++ b/codec/encoder/core/inc/vlc_encoder.h
@@ -57,14 +57,14 @@
 
 static inline int32_t WriteTotalCoeffTrailingones (SBitStringAux* pBs, uint8_t uiNc, uint8_t uiTotalCoeff,
     uint8_t uiTrailingOnes) {
-const uint8_t kuiNcIdx		= g_kuiEncNcMapTable[uiNc];
-const uint8_t* kpCoeffToken	= &g_kuiVlcCoeffToken[kuiNcIdx][uiTotalCoeff][uiTrailingOnes][0];
+const uint8_t kuiNcIdx      = g_kuiEncNcMapTable[uiNc];
+const uint8_t* kpCoeffToken = &g_kuiVlcCoeffToken[kuiNcIdx][uiTotalCoeff][uiTrailingOnes][0];
 return BsWriteBits (pBs,  kpCoeffToken[1], kpCoeffToken[0]);
 }
 
 static inline int32_t WriteTotalcoeffTrailingonesChroma (SBitStringAux* pBs, uint8_t uiTotalCoeff,
     uint8_t uiTrailingOnes) {
-const uint8_t* kpCoeffToken	= &g_kuiVlcCoeffToken[4][uiTotalCoeff][uiTrailingOnes][0];
+const uint8_t* kpCoeffToken = &g_kuiVlcCoeffToken[4][uiTotalCoeff][uiTrailingOnes][0];
 return BsWriteBits (pBs, kpCoeffToken[1], kpCoeffToken[0]);
 }
 
@@ -75,7 +75,7 @@
 }
 
 static inline int32_t WriteTotalZeros (SBitStringAux* pBs, uint32_t uiTotalCoeff, uint32_t uiTotalZeros) {
-const uint8_t* kpTotalZeros	= &g_kuiVlcTotalZeros[uiTotalCoeff][uiTotalZeros][0];
+const uint8_t* kpTotalZeros = &g_kuiVlcTotalZeros[uiTotalCoeff][uiTotalZeros][0];
 return BsWriteBits (pBs, kpTotalZeros[1], kpTotalZeros[0]);
 }
 
--- a/codec/encoder/core/inc/wels_common_basis.h
+++ b/codec/encoder/core/inc/wels_common_basis.h
@@ -46,9 +46,9 @@
 namespace WelsEnc {
 
 
-struct SMVUnitXY {			// each 4 Bytes
-  int16_t		iMvX;
-  int16_t		iMvY;
+struct SMVUnitXY { // each 4 Bytes
+  int16_t iMvX;
+  int16_t iMvY;
  public:
   SMVUnitXY& sDeltaMv (const SMVUnitXY& _v0, const SMVUnitXY& _v1) {
     iMvX = _v0.iMvX - _v1.iMvX;
@@ -62,17 +62,17 @@
   };
 };
 
-typedef struct TagMVComponentUnit {		// each 	LIST_0/LIST_1
-  SMVUnitXY	sMotionVectorCache[5 * 6 - 1];			// Luma only: 5 x 6 - 1 = 29 D-Words
-  int8_t		iRefIndexCache[5 * 6];			// Luma only: 5 x 6 = 30 bytes
+typedef struct TagMVComponentUnit {             // each LIST_0/LIST_1
+  SMVUnitXY     sMotionVectorCache[5 * 6 - 1];  // Luma only: 5 x 6 - 1 = 29 D-Words
+  int8_t        iRefIndexCache[5 * 6];          // Luma only: 5 x 6 = 30 bytes
 } SMVComponentUnit, *PMVComponentUnit;
 
 
 typedef struct TagParaSetOffsetVariable {
-  int32_t 	iParaSetIdDelta[MAX_DQ_LAYER_NUM/*+1*/];	//mark delta between SPS_ID_in_bs and sps_id_in_encoder, can be minus, for each dq-layer
+  int32_t       iParaSetIdDelta[MAX_DQ_LAYER_NUM/*+1*/];//mark delta between SPS_ID_in_bs and sps_id_in_encoder, can be minus, for each dq-layer
 //need not extra +1 due no MGS and FMO case so far
-  bool		bUsedParaSetIdInBs[MAX_PPS_COUNT];	//mark the used SPS_ID with 1
-  uint32_t	uiNextParaSetIdToUseInBs;					//mark the next SPS_ID_in_bs, for all layers
+  bool          bUsedParaSetIdInBs[MAX_PPS_COUNT];      //mark the used SPS_ID with 1
+  uint32_t      uiNextParaSetIdToUseInBs;               //mark the next SPS_ID_in_bs, for all layers
 } SParaSetOffsetVariable;
 
 typedef struct TagParaSetOffset {
@@ -81,7 +81,7 @@
   sParaSetOffsetVariable[PARA_SET_TYPE]; //PARA_SET_TYPE=3; paraset_type = 0: AVC_SPS; =1: Subset_SPS; =2: PPS
 //in PSO design, "bPpsIdMappingIntoSubsetsps" uses the current para of current IDR period
   bool
-  bPpsIdMappingIntoSubsetsps[MAX_DQ_LAYER_NUM/*+1*/];	// need not extra +1 due no MGS and FMO case so far
+  bPpsIdMappingIntoSubsetsps[MAX_DQ_LAYER_NUM/*+1*/];   // need not extra +1 due no MGS and FMO case so far
 
   int32_t  iPpsIdList[MAX_DQ_LAYER_NUM][MAX_PPS_COUNT]; //index0: max pps types; index1: for differnt IDRs, if only index0=1, index1 can reach MAX_PPS_COUNT
 
@@ -102,10 +102,10 @@
 
 /* Position Offset structure */
 typedef struct TagCropOffset {
-  int16_t	iCropLeft;
-  int16_t	iCropRight;
-  int16_t	iCropTop;
-  int16_t	iCropBottom;
+  int16_t       iCropLeft;
+  int16_t       iCropRight;
+  int16_t       iCropTop;
+  int16_t       iCropBottom;
 } SCropOffset;
 
 
--- a/codec/encoder/core/inc/wels_const.h
+++ b/codec/encoder/core/inc/wels_const.h
@@ -34,7 +34,7 @@
 #ifndef WELS_CONST_H__
 #define WELS_CONST_H__
 
-#include "as264_common.h"	//  to communicate with specific macros there, 3/18/2010
+#include "as264_common.h" //  to communicate with specific macros there, 3/18/2010
 #include "codec_app_def.h"
 #include "wels_const_common.h"
 
--- a/codec/encoder/core/inc/wels_func_ptr_def.h
+++ b/codec/encoder/core/inc/wels_func_ptr_def.h
@@ -215,7 +215,7 @@
   PGetIntraPredFunc     pfGetLumaI4x4Pred[I4_PRED_A];
   PGetIntraPredFunc     pfGetChromaPred[C_PRED_A];
 
-  PSampleSadHor8Func	pfSampleSadHor8[2];	// 1: for 16x16 square; 0: for 8x8 square
+  PSampleSadHor8Func    pfSampleSadHor8[2];     // 1: for 16x16 square; 0: for 8x8 square
   PMotionSearchFunc
   pfMotionSearch[BLOCK_STATIC_IDC_ALL]; //svc_encode_slice.c svc_mode_decision.c svc_enhance_layer_md.c svc_base_layer_md.c
   PSearchMethodFunc pfSearchMethod[BLOCK_SIZE_ALL];
--- a/codec/encoder/core/inc/wels_preprocess.h
+++ b/codec/encoder/core/inc/wels_preprocess.h
@@ -55,9 +55,9 @@
 typedef struct TagWelsEncCtx sWelsEncCtx;
 
 typedef  struct {
-  SPicture*	pScaledInputPicture;
-  int32_t		iScaledWidth[MAX_DEPENDENCY_LAYER];
-  int32_t     iScaledHeight[MAX_DEPENDENCY_LAYER];
+  SPicture*     pScaledInputPicture;
+  int32_t       iScaledWidth[MAX_DEPENDENCY_LAYER];
+  int32_t       iScaledHeight[MAX_DEPENDENCY_LAYER];
 } Scaled_Picture;
 
 
@@ -74,29 +74,29 @@
   SPicture*   pRefPicture;
   int32_t     iSrcListIdx;   //idx in  h->spatial_pic[base_did];
   bool        bSceneLtrFlag;
-  unsigned char*		pBestBlockStaticIdc;
+  unsigned char*        pBestBlockStaticIdc;
 } SRefInfoParam;
 
 typedef struct TagVAAFrameInfo {
-  SVAACalcResult		sVaaCalcInfo;
+  SVAACalcResult        sVaaCalcInfo;
   SAdaptiveQuantizationParam sAdaptiveQuantParam;
   SComplexityAnalysisParam sComplexityAnalysisParam;
 
-  int32_t			iPicWidth;			// maximal iWidth of picture in samples for svc coding
-  int32_t			iPicHeight;			// maximal iHeight of picture in samples for svc coding
-  int32_t         iPicStride;         //luma
-  int32_t			iPicStrideUV;
+  int32_t       iPicWidth;          // maximal iWidth of picture in samples for svc coding
+  int32_t       iPicHeight;         // maximal iHeight of picture in samples for svc coding
+  int32_t       iPicStride;         //luma
+  int32_t       iPicStrideUV;
 
-  uint8_t*         pRefY; //pRef
-  uint8_t*         pCurY; //cur
-  uint8_t*         pRefU; //pRef
-  uint8_t*         pCurU; //cur
-  uint8_t*         pRefV; //pRef
-  uint8_t*         pCurV; //cur
+  uint8_t*      pRefY; //pRef
+  uint8_t*      pCurY; //cur
+  uint8_t*      pRefU; //pRef
+  uint8_t*      pCurU; //cur
+  uint8_t*      pRefV; //pRef
+  uint8_t*      pCurV; //cur
 
-  int8_t*			pVaaBackgroundMbFlag;
-  uint8_t         uiValidLongTermPicIdx;
-  uint8_t         uiMarkLongTermPicIdx;
+  int8_t*       pVaaBackgroundMbFlag;
+  uint8_t       uiValidLongTermPicIdx;
+  uint8_t       uiMarkLongTermPicIdx;
 
   ESceneChangeIdc eSceneChangeIdc;
   bool          bSceneChangeFlag;
@@ -150,7 +150,7 @@
  private:
   int32_t SingleLayerPreprocess (sWelsEncCtx* pEncCtx, const SSourcePicture* kpSrc, Scaled_Picture* m_sScaledPicture);
 
-  void	BilateralDenoising (SPicture* pSrc, const int32_t iWidth, const int32_t iHeight);
+  void  BilateralDenoising (SPicture* pSrc, const int32_t iWidth, const int32_t iHeight);
   bool  DetectSceneChange (SPicture* pCurPicture, SPicture* pRefPicture);
   int32_t DownsamplePadding (SPicture* pSrc, SPicture* pDstPic,  int32_t iSrcWidth, int32_t iSrcHeight,
                              int32_t iShrinkWidth, int32_t iShrinkHeight, int32_t iTargetWidth, int32_t iTargetHeight,
@@ -194,7 +194,7 @@
 
  private:
   Scaled_Picture   m_sScaledPicture;
-  SPicture*	   m_pLastSpatialPicture[MAX_DEPENDENCY_LAYER][2];
+  SPicture*        m_pLastSpatialPicture[MAX_DEPENDENCY_LAYER][2];
   IWelsVP*         m_pInterfaceVp;
   sWelsEncCtx*     m_pEncCtx;
   bool             m_bInitDone;
--- a/codec/encoder/core/src/au_set.cpp
+++ b/codec/encoder/core/src/au_set.cpp
@@ -107,7 +107,7 @@
                             : (WELS_MAX (1, (pParam->uiGopSize >> 1))));
   int32_t iNeededRefNum = (pParam->uiIntraPeriod != 1) ? (iCurrentStrNum + pParam->iLTRRefNum) : 0;
 
-  iNeededRefNum		= WELS_CLIP3 (iNeededRefNum,
+  iNeededRefNum = WELS_CLIP3 (iNeededRefNum,
                                 MIN_REF_PIC_COUNT,
                                 (pParam->iUsageType == CAMERA_VIDEO_REAL_TIME) ? MAX_REFERENCE_PICTURE_COUNT_NUM_CAMERA :
                                 MAX_REFERENCE_PICTURE_COUNT_NUM_SCREEN);
@@ -243,13 +243,13 @@
 
   BsWriteBits (pLocalBitStringAux, 8, pSps->uiProfileIdc);
 
-  BsWriteOneBit (pLocalBitStringAux, pSps->bConstraintSet0Flag);	// bConstraintSet0Flag
-  BsWriteOneBit (pLocalBitStringAux, pSps->bConstraintSet1Flag);	// bConstraintSet1Flag
-  BsWriteOneBit (pLocalBitStringAux, pSps->bConstraintSet2Flag);	// bConstraintSet2Flag
-  BsWriteOneBit (pLocalBitStringAux, pSps->bConstraintSet3Flag);	// bConstraintSet3Flag
-  BsWriteBits (pLocalBitStringAux, 4, 0);							// reserved_zero_4bits, equal to 0
-  BsWriteBits (pLocalBitStringAux, 8, pSps->iLevelIdc);				// iLevelIdc
-  BsWriteUE (pLocalBitStringAux, pSps->uiSpsId + pSpsIdDelta[pSps->uiSpsId]);					     // seq_parameter_set_id
+  BsWriteOneBit (pLocalBitStringAux, pSps->bConstraintSet0Flag);        // bConstraintSet0Flag
+  BsWriteOneBit (pLocalBitStringAux, pSps->bConstraintSet1Flag);        // bConstraintSet1Flag
+  BsWriteOneBit (pLocalBitStringAux, pSps->bConstraintSet2Flag);        // bConstraintSet2Flag
+  BsWriteOneBit (pLocalBitStringAux, pSps->bConstraintSet3Flag);        // bConstraintSet3Flag
+  BsWriteBits (pLocalBitStringAux, 4, 0);                               // reserved_zero_4bits, equal to 0
+  BsWriteBits (pLocalBitStringAux, 8, pSps->iLevelIdc);                 // iLevelIdc
+  BsWriteUE (pLocalBitStringAux, pSps->uiSpsId + pSpsIdDelta[pSps->uiSpsId]);        // seq_parameter_set_id
 
   if (PRO_SCALABLE_BASELINE == pSps->uiProfileIdc || PRO_SCALABLE_HIGH == pSps->uiProfileIdc ||
       PRO_HIGH == pSps->uiProfileIdc || PRO_HIGH10 == pSps->uiProfileIdc ||
@@ -262,26 +262,26 @@
     BsWriteOneBit (pLocalBitStringAux, 0); //seq_scaling_matrix_present_flag
   }
 
-  BsWriteUE (pLocalBitStringAux, pSps->uiLog2MaxFrameNum - 4);	// log2_max_frame_num_minus4
-  BsWriteUE (pLocalBitStringAux, 0/*pSps->uiPocType*/);		     // pic_order_cnt_type
-  BsWriteUE (pLocalBitStringAux, pSps->iLog2MaxPocLsb - 4);	// log2_max_pic_order_cnt_lsb_minus4
+  BsWriteUE (pLocalBitStringAux, pSps->uiLog2MaxFrameNum - 4);  // log2_max_frame_num_minus4
+  BsWriteUE (pLocalBitStringAux, 0/*pSps->uiPocType*/);         // pic_order_cnt_type
+  BsWriteUE (pLocalBitStringAux, pSps->iLog2MaxPocLsb - 4);     // log2_max_pic_order_cnt_lsb_minus4
 
-  BsWriteUE (pLocalBitStringAux, pSps->iNumRefFrames);		// max_num_ref_frames
+  BsWriteUE (pLocalBitStringAux, pSps->iNumRefFrames);          // max_num_ref_frames
   BsWriteOneBit (pLocalBitStringAux, pSps->bGapsInFrameNumValueAllowedFlag); //gaps_in_frame_numvalue_allowed_flag
-  BsWriteUE (pLocalBitStringAux, pSps->iMbWidth - 1);		// pic_width_in_mbs_minus1
-  BsWriteUE (pLocalBitStringAux, pSps->iMbHeight - 1);		// pic_height_in_map_units_minus1
-  BsWriteOneBit (pLocalBitStringAux, true/*pSps->bFrameMbsOnlyFlag*/);	// bFrameMbsOnlyFlag
+  BsWriteUE (pLocalBitStringAux, pSps->iMbWidth - 1);           // pic_width_in_mbs_minus1
+  BsWriteUE (pLocalBitStringAux, pSps->iMbHeight - 1);          // pic_height_in_map_units_minus1
+  BsWriteOneBit (pLocalBitStringAux, true/*pSps->bFrameMbsOnlyFlag*/);  // bFrameMbsOnlyFlag
 
-  BsWriteOneBit (pLocalBitStringAux, 0/*pSps->bDirect8x8InferenceFlag*/);	// direct_8x8_inference_flag
-  BsWriteOneBit (pLocalBitStringAux, pSps->bFrameCroppingFlag);	// bFrameCroppingFlag
+  BsWriteOneBit (pLocalBitStringAux, 0/*pSps->bDirect8x8InferenceFlag*/);       // direct_8x8_inference_flag
+  BsWriteOneBit (pLocalBitStringAux, pSps->bFrameCroppingFlag); // bFrameCroppingFlag
   if (pSps->bFrameCroppingFlag) {
-    BsWriteUE (pLocalBitStringAux, pSps->sFrameCrop.iCropLeft);	// frame_crop_left_offset
-    BsWriteUE (pLocalBitStringAux, pSps->sFrameCrop.iCropRight);	// frame_crop_right_offset
-    BsWriteUE (pLocalBitStringAux, pSps->sFrameCrop.iCropTop);	// frame_crop_top_offset
-    BsWriteUE (pLocalBitStringAux, pSps->sFrameCrop.iCropBottom);	// frame_crop_bottom_offset
+    BsWriteUE (pLocalBitStringAux, pSps->sFrameCrop.iCropLeft);         // frame_crop_left_offset
+    BsWriteUE (pLocalBitStringAux, pSps->sFrameCrop.iCropRight);        // frame_crop_right_offset
+    BsWriteUE (pLocalBitStringAux, pSps->sFrameCrop.iCropTop);          // frame_crop_top_offset
+    BsWriteUE (pLocalBitStringAux, pSps->sFrameCrop.iCropBottom);       // frame_crop_bottom_offset
   }
   if (bBaseLayer) {
-    BsWriteOneBit (pLocalBitStringAux, true);	// vui_parameters_present_flag
+    BsWriteOneBit (pLocalBitStringAux, true);   // vui_parameters_present_flag
     WelsWriteVUI (pSps, pBitStringAux);
   } else {
     BsWriteOneBit (pLocalBitStringAux, false);
@@ -468,15 +468,15 @@
                      const uint32_t kuiSpsId, const bool kbEnableFrameCropping, bool bEnableRc,
                      const int32_t kiDlayerCount, bool bSVCBaselayer) {
   memset (pSps, 0, sizeof (SWelsSPS));
-  pSps->uiSpsId		= kuiSpsId;
-  pSps->iMbWidth	= (pLayerParam->iVideoWidth + 15) >> 4;
-  pSps->iMbHeight	= (pLayerParam->iVideoHeight + 15) >> 4;
+  pSps->uiSpsId         = kuiSpsId;
+  pSps->iMbWidth        = (pLayerParam->iVideoWidth + 15) >> 4;
+  pSps->iMbHeight       = (pLayerParam->iVideoHeight + 15) >> 4;
 
   //max value of both iFrameNum and POC are 2^16-1, in our encoder, iPOC=2*iFrameNum, so max of iFrameNum should be 2^15-1.--
   pSps->uiLog2MaxFrameNum = 15;//16;
-  pSps->iLog2MaxPocLsb	= 1 + pSps->uiLog2MaxFrameNum;
+  pSps->iLog2MaxPocLsb = 1 + pSps->uiLog2MaxFrameNum;
 
-  pSps->iNumRefFrames	= kiNumRefFrame;	/* min pRef size when fifo pRef operation*/
+  pSps->iNumRefFrames = kiNumRefFrame;        /* min pRef size when fifo pRef operation*/
 
   if (kbEnableFrameCropping) {
     // TODO: get frame_crop_left_offset, frame_crop_right_offset, frame_crop_top_offset, frame_crop_bottom_offset
@@ -483,9 +483,9 @@
     pSps->bFrameCroppingFlag = WelsGetPaddingOffset (pLayerParamInternal->iActualWidth, pLayerParamInternal->iActualHeight,
                                pLayerParam->iVideoWidth, pLayerParam->iVideoHeight, pSps->sFrameCrop);
   } else {
-    pSps->bFrameCroppingFlag	= false;
+    pSps->bFrameCroppingFlag = false;
   }
-  pSps->uiProfileIdc	= pLayerParam->uiProfileIdc ? pLayerParam->uiProfileIdc : PRO_BASELINE;
+  pSps->uiProfileIdc = pLayerParam->uiProfileIdc ? pLayerParam->uiProfileIdc : PRO_BASELINE;
   if (pLayerParam->uiProfileIdc == PRO_BASELINE) {
     pSps->bConstraintSet0Flag = true;
   }
@@ -496,7 +496,7 @@
     pSps->bConstraintSet2Flag = true;
   }
 
-  ELevelIdc uiLevel	= WelsGetLevelIdc (pSps, pLayerParamInternal->fOutputFrameRate, pLayerParam->iSpatialBitrate);
+  ELevelIdc uiLevel = WelsGetLevelIdc (pSps, pLayerParamInternal->fOutputFrameRate, pLayerParam->iSpatialBitrate);
   //update level
   //for Scalable Baseline, Scalable High, and Scalable High Intra profiles.If level_idc is equal to 9, the indicated level is level 1b.
   //for the Baseline, Constrained Baseline, Main, and Extended profiles,If level_idc is equal to 11 and constraint_set3_flag is equal to 1, the indicated level is level 1b.
@@ -533,12 +533,12 @@
   WelsInitSps (pSps, pLayerParam, pLayerParamInternal, kuiIntraPeriod, kiNumRefFrame, kuiSpsId, kbEnableFrameCropping,
                bEnableRc, kiDlayerCount, false);
 
-  pSps->uiProfileIdc	= (pLayerParam->uiProfileIdc >= PRO_SCALABLE_BASELINE) ? pLayerParam->uiProfileIdc :
+  pSps->uiProfileIdc = (pLayerParam->uiProfileIdc >= PRO_SCALABLE_BASELINE) ? pLayerParam->uiProfileIdc :
                         PRO_SCALABLE_BASELINE;
 
-  pSubsetSps->sSpsSvcExt.iExtendedSpatialScalability	= 0;	/* ESS is 0 in default */
-  pSubsetSps->sSpsSvcExt.bAdaptiveTcoeffLevelPredFlag	= false;
-  pSubsetSps->sSpsSvcExt.bSeqTcoeffLevelPredFlag	= false;
+  pSubsetSps->sSpsSvcExt.iExtendedSpatialScalability    = 0;    /* ESS is 0 in default */
+  pSubsetSps->sSpsSvcExt.bAdaptiveTcoeffLevelPredFlag   = false;
+  pSubsetSps->sSpsSvcExt.bSeqTcoeffLevelPredFlag        = false;
   pSubsetSps->sSpsSvcExt.bSliceHeaderRestrictionFlag = true;
 
   return 0;
@@ -558,26 +558,26 @@
     assert (pSps != NULL);
     if (NULL == pSps)
       return 1;
-    pUsedSps	= pSps;
+    pUsedSps = pSps;
   } else {
     assert (pSubsetSps != NULL);
     if (NULL == pSubsetSps)
       return 1;
-    pUsedSps	= &pSubsetSps->pSps;
+    pUsedSps = &pSubsetSps->pSps;
   }
 
   /* fill picture parameter set syntax */
-  pPps->iPpsId		= kuiPpsId;
-  pPps->iSpsId		= pUsedSps->uiSpsId;
+  pPps->iPpsId = kuiPpsId;
+  pPps->iSpsId = pUsedSps->uiSpsId;
   pPps->bEntropyCodingModeFlag = kbEntropyCodingModeFlag;
 #if !defined(DISABLE_FMO_FEATURE)
-  pPps->uiNumSliceGroups =  1;	//param->qos_param.sliceGroupCount;
+  pPps->uiNumSliceGroups = 1; //param->qos_param.sliceGroupCount;
   if (pPps->uiNumSliceGroups > 1) {
-    pPps->uiSliceGroupMapType = 0;	//param->qos_param.sliceGroupType;
+    pPps->uiSliceGroupMapType = 0; //param->qos_param.sliceGroupType;
     if (pPps->uiSliceGroupMapType == 0) {
       uint32_t uiGroup = 0;
       while (uiGroup < pPps->uiNumSliceGroups) {
-        pPps->uiRunLength[uiGroup]	= 25;
+        pPps->uiRunLength[uiGroup] = 25;
         ++ uiGroup;
       }
     } else if (pPps->uiSliceGroupMapType == 2) {
@@ -594,11 +594,11 @@
   }
 #endif//!DISABLE_FMO_FEATURE
 
-  pPps->iPicInitQp							= 26;
-  pPps->iPicInitQs							= 26;
+  pPps->iPicInitQp = 26;
+  pPps->iPicInitQs = 26;
 
-  pPps->uiChromaQpIndexOffset					= 0;
-  pPps->bDeblockingFilterControlPresentFlag	= kbDeblockingFilterPresentFlag;
+  pPps->uiChromaQpIndexOffset                   = 0;
+  pPps->bDeblockingFilterControlPresentFlag     = kbDeblockingFilterPresentFlag;
 
   return 0;
 }
--- a/codec/encoder/core/src/deblocking.cpp
+++ b/codec/encoder/core/src/deblocking.cpp
@@ -655,9 +655,9 @@
 
 void  DeblockingFilterFrameAvcbase (SDqLayer* pCurDq, SWelsFuncPtrList* pFunc) {
   int32_t i, j;
-  const int32_t kiMbWidth	= pCurDq->iMbWidth;
-  const int32_t kiMbHeight	= pCurDq->iMbHeight;
-  SMB* pCurrentMbBlock	= pCurDq->sMbDataP;
+  const int32_t kiMbWidth   = pCurDq->iMbWidth;
+  const int32_t kiMbHeight  = pCurDq->iMbHeight;
+  SMB* pCurrentMbBlock      = pCurDq->sMbDataP;
   SSliceHeaderExt* sSliceHeaderExt = &pCurDq->sLayerInfo.pSliceInLayer[0].sSliceHeaderExt;
   SDeblockingFilter pFilter;
 
@@ -691,14 +691,14 @@
 }
 
 void DeblockingFilterSliceAvcbase (SDqLayer* pCurDq, SWelsFuncPtrList* pFunc, const int32_t kiSliceIdx) {
-  SSliceCtx* pSliceCtx			= pCurDq->pSliceEncCtx;
-  SMB* pMbList							= pCurDq->sMbDataP;
-  SSliceHeaderExt* sSliceHeaderExt	= &pCurDq->sLayerInfo.pSliceInLayer[kiSliceIdx].sSliceHeaderExt;
+  SSliceCtx* pSliceCtx                  = pCurDq->pSliceEncCtx;
+  SMB* pMbList                          = pCurDq->sMbDataP;
+  SSliceHeaderExt* sSliceHeaderExt      = &pCurDq->sLayerInfo.pSliceInLayer[kiSliceIdx].sSliceHeaderExt;
   SMB* pCurrentMbBlock;
 
-  const int32_t kiMbWidth				= pCurDq->iMbWidth;
-  const int32_t kiMbHeight				= pCurDq->iMbHeight;
-  const int32_t kiTotalNumMb			= kiMbWidth * kiMbHeight;
+  const int32_t kiMbWidth               = pCurDq->iMbWidth;
+  const int32_t kiMbHeight              = pCurDq->iMbHeight;
+  const int32_t kiTotalNumMb            = kiMbWidth * kiMbHeight;
   int32_t iCurMbIdx = 0, iNextMbIdx = 0, iNumMbFiltered = 0;
 
   /* Step1: parameters set */
@@ -712,13 +712,13 @@
   pFilter.iCsStride[1] = pCurDq->pDecPic->iLineSize[1];
   pFilter.iCsStride[2] = pCurDq->pDecPic->iLineSize[2];
   pFilter.iSliceAlphaC0Offset = sSliceHeaderExt->sSliceHeader.iSliceAlphaC0Offset;
-  pFilter.iSliceBetaOffset     = sSliceHeaderExt->sSliceHeader.iSliceBetaOffset;
-  pFilter.iMbStride             = kiMbWidth;
+  pFilter.iSliceBetaOffset    = sSliceHeaderExt->sSliceHeader.iSliceBetaOffset;
+  pFilter.iMbStride           = kiMbWidth;
 
   iNextMbIdx  = sSliceHeaderExt->sSliceHeader.iFirstMbInSlice;
 
   for (; ;) {
-    iCurMbIdx	= iNextMbIdx;
+    iCurMbIdx       = iNextMbIdx;
     pCurrentMbBlock = &pMbList[ iCurMbIdx ];
 
     pFilter.pCsData[0] = pCurDq->pDecPic->pData[0] + ((pCurrentMbBlock->iMbX + pCurrentMbBlock->iMbY * pFilter.iCsStride[0])
@@ -740,30 +740,30 @@
 }
 
 void PerformDeblockingFilter (sWelsEncCtx* pEnc) {
-  const int32_t kiCurDid				= pEnc->uiDependencyId;
-  SWelsSvcCodingParam* pSvcParam	= pEnc->pSvcParam;
-  SSpatialLayerConfig* pSpatialLayer = &pSvcParam->sSpatialLayers[kiCurDid];
-  SDqLayer* pCurLayer					= pEnc->pCurDqLayer;
+  const int32_t kiCurDid                = pEnc->uiDependencyId;
+  SWelsSvcCodingParam* pSvcParam        = pEnc->pSvcParam;
+  SSpatialLayerConfig* pSpatialLayer    = &pSvcParam->sSpatialLayers[kiCurDid];
+  SDqLayer* pCurLayer                   = pEnc->pCurDqLayer;
 
   if (pCurLayer->iLoopFilterDisableIdc == 0) {
     DeblockingFilterFrameAvcbase (pCurLayer, pEnc->pFuncList);
   } else if (pCurLayer->iLoopFilterDisableIdc == 2) {
-    int32_t iSliceCount			= 0;
-    int32_t iSliceIdx			= 0;
+    int32_t iSliceCount = 0;
+    int32_t iSliceIdx   = 0;
 
     if (SM_DYN_SLICE != pSpatialLayer->sSliceCfg.uiSliceMode) {
-      iSliceCount	= GetCurrentSliceNum (pCurLayer->pSliceEncCtx);
+      iSliceCount = GetCurrentSliceNum (pCurLayer->pSliceEncCtx);
       do {
         DeblockingFilterSliceAvcbase (pCurLayer, pEnc->pFuncList, iSliceIdx);
         ++ iSliceIdx;
       } while (iSliceIdx < iSliceCount);
-    } else {	// for dynamic slicing mode
-      const int32_t kiNumPicPartition	= pEnc->iActiveThreadsNum; //pSvcParam->iCountThreadsNum;
-      int32_t iPartitionIdx			= 0;
+    } else { // for dynamic slicing mode
+      const int32_t kiNumPicPartition = pEnc->iActiveThreadsNum; //pSvcParam->iCountThreadsNum;
+      int32_t iPartitionIdx = 0;
 
       while (iPartitionIdx < kiNumPicPartition) {
-        iSliceCount	= pCurLayer->pNumSliceCodedOfPartition[iPartitionIdx];
-        iSliceIdx	= iPartitionIdx;
+        iSliceCount     = pCurLayer->pNumSliceCodedOfPartition[iPartitionIdx];
+        iSliceIdx       = iPartitionIdx;
         do {
           DeblockingFilterSliceAvcbase (pCurLayer, pEnc->pFuncList, iSliceIdx);
           iSliceIdx += kiNumPicPartition;
--- a/codec/encoder/core/src/decode_mb_aux.cpp
+++ b/codec/encoder/core/src/decode_mb_aux.cpp
@@ -39,13 +39,13 @@
  ****************************************************************************/
 void WelsIHadamard4x4Dc (int16_t* pRes) { //pBuffer size : 4x4
   int16_t iTemp[4];
-  int32_t i	= 4;
+  int32_t i = 4;
 
   while (--i >= 0) {
-    const int32_t kiIdx	= i << 2;
-    const int32_t kiIdx1	= 1 + kiIdx;
-    const int32_t kiIdx2	= 1 + kiIdx1;
-    const int32_t kiIdx3	= 1 + kiIdx2;
+    const int32_t kiIdx  = i << 2;
+    const int32_t kiIdx1 = 1 + kiIdx;
+    const int32_t kiIdx2 = 1 + kiIdx1;
+    const int32_t kiIdx3 = 1 + kiIdx2;
 
     iTemp[0] = pRes[kiIdx ] + pRes[kiIdx2];
     iTemp[1] = pRes[kiIdx ] - pRes[kiIdx2];
@@ -60,9 +60,9 @@
 
   i = 4;
   while (--i >= 0) {
-    const int32_t kiI4	= 4 + i;
-    const int32_t kiI8	= 4 + kiI4;
-    const int32_t kiI12	= 4 + kiI8;
+    const int32_t kiI4  = 4 + i;
+    const int32_t kiI8  = 4 + kiI4;
+    const int32_t kiI12 = 4 + kiI8;
 
     iTemp[0] = pRes[i  ] + pRes[kiI8 ];
     iTemp[1] = pRes[i  ] - pRes[kiI8 ];
@@ -78,14 +78,14 @@
 
 /* for qp < 12 */
 void WelsDequantLumaDc4x4 (int16_t* pRes, const int32_t kiQp) {
-  int32_t i	= 15;
-  const uint16_t kuiDequantValue	= g_kuiDequantCoeff[kiQp % 6][0];
-  const int16_t kiQF0		= kiQp / 6;
-  const int16_t kiQF1		= 2 - kiQF0;
-  const int16_t kiQF0S	= 1 << (1 - kiQF0);
+  int32_t i = 15;
+  const uint16_t kuiDequantValue = g_kuiDequantCoeff[kiQp % 6][0];
+  const int16_t kiQF0   = kiQp / 6;
+  const int16_t kiQF1   = 2 - kiQF0;
+  const int16_t kiQF0S  = 1 << (1 - kiQF0);
 
   while (i >= 0) {
-    pRes[i  ] = (pRes[i  ] * kuiDequantValue + kiQF0S) >> kiQF1;
+    pRes[i  ]   = (pRes[i  ]   * kuiDequantValue + kiQF0S) >> kiQF1;
     pRes[i - 1] = (pRes[i - 1] * kuiDequantValue + kiQF0S) >> kiQF1;
     pRes[i - 2] = (pRes[i - 2] * kuiDequantValue + kiQF0S) >> kiQF1;
     pRes[i - 3] = (pRes[i - 3] * kuiDequantValue + kiQF0S) >> kiQF1;
@@ -100,12 +100,12 @@
   int32_t i;
 
   for (i = 0; i < 16; i += 4) {
-    iTemp[0] = pRes[i  ] + pRes[i + 2];
-    iTemp[1] = pRes[i  ] - pRes[i + 2];
+    iTemp[0] = pRes[i  ]   + pRes[i + 2];
+    iTemp[1] = pRes[i  ]   - pRes[i + 2];
     iTemp[2] = pRes[i + 1] - pRes[i + 3];
     iTemp[3] = pRes[i + 1] + pRes[i + 3];
 
-    pRes[i  ] = iTemp[0] + iTemp[3];
+    pRes[i  ]   = iTemp[0] + iTemp[3];
     pRes[i + 1] = iTemp[1] + iTemp[2];
     pRes[i + 2] = iTemp[1] - iTemp[2];
     pRes[i + 3] = iTemp[0] - iTemp[3];
@@ -112,12 +112,12 @@
   }
 
   for (i = 0; i < 4; i++) {
-    iTemp[0] = pRes[i   ] + pRes[i + 8 ];
-    iTemp[1] = pRes[i   ] - pRes[i + 8 ];
+    iTemp[0] = pRes[i   ]   + pRes[i + 8 ];
+    iTemp[1] = pRes[i   ]   - pRes[i + 8 ];
     iTemp[2] = pRes[i + 4 ] - pRes[i + 12];
     iTemp[3] = pRes[i + 4 ] + pRes[i + 12];
 
-    pRes[i  ]  = (iTemp[0] + iTemp[3]) * kuiMF;
+    pRes[i  ]    = (iTemp[0] + iTemp[3]) * kuiMF;
     pRes[i + 4 ] = (iTemp[1] + iTemp[2]) * kuiMF;
     pRes[i + 8 ] = (iTemp[1] - iTemp[2]) * kuiMF;
     pRes[i + 12] = (iTemp[0] - iTemp[3]) * kuiMF;
@@ -126,9 +126,9 @@
 
 void WelsDequantIHadamard2x2Dc (int16_t* pDct, const uint16_t kuiMF) {
   const int16_t kiSumU = pDct[0] + pDct[2];
-  const int16_t kiDelU =   pDct[0] -  pDct[2];
+  const int16_t kiDelU = pDct[0] - pDct[2];
   const int16_t kiSumD = pDct[1] + pDct[3];
-  const int16_t kiDelD =   pDct[1] -  pDct[3];
+  const int16_t kiDelD = pDct[1] - pDct[3];
 
   pDct[0] = ((kiSumU + kiSumD) * kuiMF) >> 1;
   pDct[1] = ((kiSumU - kiSumD) * kuiMF) >> 1;
@@ -139,8 +139,8 @@
 void WelsDequant4x4_c (int16_t* pRes, const uint16_t* kpMF) {
   int32_t i;
   for (i = 0; i < 8; i++) {
-    pRes[i]	*=	kpMF[i];
-    pRes[i + 8]	*= kpMF[i];
+    pRes[i]     *= kpMF[i];
+    pRes[i + 8] *= kpMF[i];
   }
 }
 
@@ -147,14 +147,14 @@
 void WelsDequantFour4x4_c (int16_t* pRes, const uint16_t* kpMF) {
   int32_t i;
   for (i = 0; i < 8; i++) {
-    pRes[i]	*=	kpMF[i];
-    pRes[i + 8]	*=	kpMF[i];
-    pRes[i + 16] *=	kpMF[i];
-    pRes[i + 24] *=	kpMF[i];
-    pRes[i + 32] *=	kpMF[i];
-    pRes[i + 40] *=	kpMF[i];
-    pRes[i + 48] *=	kpMF[i];
-    pRes[i + 56] *=	kpMF[i];
+    pRes[i]      *= kpMF[i];
+    pRes[i + 8]  *= kpMF[i];
+    pRes[i + 16] *= kpMF[i];
+    pRes[i + 24] *= kpMF[i];
+    pRes[i + 32] *= kpMF[i];
+    pRes[i + 40] *= kpMF[i];
+    pRes[i + 48] *= kpMF[i];
+    pRes[i + 56] *= kpMF[i];
   }
 }
 
@@ -172,8 +172,8 @@
 
   for (i = 0; i < 4; i ++) { //horizon
     int32_t iIdx = i << 2;
-    const int32_t kiHorSumU = pDct[iIdx] + pDct[iIdx + 2];	// add 0-2
-    const int32_t kiHorDelU = pDct[iIdx] - pDct[iIdx + 2];	// sub 0-2
+    const int32_t kiHorSumU = pDct[iIdx] + pDct[iIdx + 2];      // add 0-2
+    const int32_t kiHorDelU = pDct[iIdx] - pDct[iIdx + 2];      // sub 0-2
     const int32_t kiHorSumD = pDct[iIdx + 1] + (pDct[iIdx + 3] >> 1);
     const int32_t kiHorDelD = (pDct[iIdx + 1] >> 1) - pDct[iIdx + 3];
 
@@ -238,13 +238,13 @@
     i = j << 2;
     k = (j & 0x01) << 1;
     r = j & 0x02;
-    pBlock[i]		= (0 + k + (0 + r) * kiStrideY) << 2;
-    pBlock[i + 1]	= (1 + k + (0 + r) * kiStrideY) << 2;
-    pBlock[i + 2]	= (0 + k + (1 + r) * kiStrideY) << 2;
-    pBlock[i + 3]	= (1 + k + (1 + r) * kiStrideY) << 2;
+    pBlock[i]           = (0 + k + (0 + r) * kiStrideY) << 2;
+    pBlock[i + 1]       = (1 + k + (0 + r) * kiStrideY) << 2;
+    pBlock[i + 2]       = (0 + k + (1 + r) * kiStrideY) << 2;
+    pBlock[i + 3]       = (1 + k + (1 + r) * kiStrideY) << 2;
 
-    pBlock[16 + j]	=
-      pBlock[20 + j]	= ((j & 0x01) + r * kiStrideUV) << 2;
+    pBlock[16 + j]      =
+      pBlock[20 + j]    = ((j & 0x01) + r * kiStrideUV) << 2;
   }
 }
 
--- a/codec/encoder/core/src/encode_mb_aux.cpp
+++ b/codec/encoder/core/src/encode_mb_aux.cpp
@@ -160,7 +160,7 @@
  ****************************************************************************/
 #define WELS_ABS_LC(a) ((iSign ^ (int32_t)(a)) - iSign)
 #define NEW_QUANT(pDct, iFF, iMF) (((iFF)+ WELS_ABS_LC(pDct))*(iMF)) >>16
-#define WELS_NEW_QUANT(pDct,iFF,iMF)	WELS_ABS_LC(NEW_QUANT(pDct, iFF, iMF))
+#define WELS_NEW_QUANT(pDct,iFF,iMF) WELS_ABS_LC(NEW_QUANT(pDct, iFF, iMF))
 void WelsQuant4x4_c (int16_t* pDct, const int16_t* pFF,  const int16_t* pMF) {
   int32_t i, j, iSign;
   for (i = 0; i < 16; i += 4) {
@@ -283,12 +283,12 @@
 
   for (i = 0 ; i < 16 ; i += 4) {
     iIdx = ((i & 0x08) << 4) + ((i & 0x04) << 3);
-    s[0] = pDct[iIdx ]	+ pDct[iIdx + 80];
-    s[3] = pDct[iIdx ]	- pDct[iIdx + 80];
-    s[1] = pDct[iIdx + 16]	+ pDct[iIdx + 64];
-    s[2] = pDct[iIdx + 16]	- pDct[iIdx + 64];
+    s[0] = pDct[iIdx ]     + pDct[iIdx + 80];
+    s[3] = pDct[iIdx ]     - pDct[iIdx + 80];
+    s[1] = pDct[iIdx + 16] + pDct[iIdx + 64];
+    s[2] = pDct[iIdx + 16] - pDct[iIdx + 64];
 
-    p[i  ] = s[0] + s[1];
+    p[i  ]   = s[0] + s[1];
     p[i + 2] = s[0] - s[1];
     p[i + 1] = s[3] + s[2];
     p[i + 3] = s[3] - s[2];
@@ -295,12 +295,12 @@
   }
 
   for (i = 0 ; i < 4 ; i ++) {
-    s[0] = p[i ]	+ p[i + 12];
-    s[3] = p[i ]	- p[i + 12];
-    s[1] = p[i + 4]	+ p[i + 8];
-    s[2] = p[i + 4]	- p[i + 8];
+    s[0] = p[i ]    + p[i + 12];
+    s[3] = p[i ]    - p[i + 12];
+    s[1] = p[i + 4] + p[i + 8];
+    s[2] = p[i + 4] - p[i + 8];
 
-    pLumaDc[i  ] = WELS_CLIP3 ((s[0] + s[1] + 1) >> 1, -32768, 32767);
+    pLumaDc[i  ]    = WELS_CLIP3 ((s[0] + s[1] + 1) >> 1, -32768, 32767);
     pLumaDc[i + 8 ] = WELS_CLIP3 ((s[0] - s[1] + 1) >> 1, -32768, 32767);
     pLumaDc[i + 4 ] = WELS_CLIP3 ((s[3] + s[2] + 1) >> 1, -32768, 32767);
     pLumaDc[i + 12] = WELS_CLIP3 ((s[3] - s[2] + 1) >> 1, -32768, 32767);
@@ -331,7 +331,7 @@
     s[1] = pData[kiI1] + pData[kiI2];
     s[2] = pData[kiI1] - pData[kiI2];
 
-    pDct[i ] = s[0] + s[1];
+    pDct[i ]   = s[0] + s[1];
     pDct[kiI2] = s[0] - s[1];
     pDct[kiI1] = (s[3] << 1) + s[2];
     pDct[kiI3] = s[3] - (s[2] << 1);
@@ -339,9 +339,9 @@
 
   /* vertical transform */
   for (i = 0 ; i < 4 ; i ++) {
-    const int32_t kiI4	= 4 + i;
-    const int32_t kiI8	= 8 + i;
-    const int32_t kiI12	= 12 + i;
+    const int32_t kiI4  = 4 + i;
+    const int32_t kiI8  = 8 + i;
+    const int32_t kiI12 = 12 + i;
 
     s[0] = pDct[i ] + pDct[kiI12];
     s[3] = pDct[i ] - pDct[kiI12];
@@ -348,7 +348,7 @@
     s[1] = pDct[kiI4] + pDct[kiI8 ];
     s[2] = pDct[kiI4] - pDct[kiI8 ];
 
-    pDct[i  ] = s[0] + s[1];
+    pDct[i  ]   = s[0] + s[1];
     pDct[kiI8 ] = s[0] - s[1];
     pDct[kiI4 ] = (s[3] << 1) + s[2];
     pDct[kiI12] = s[3] - (s[2] << 1);
@@ -359,9 +359,9 @@
   int32_t stride_1 = iStride1 << 2;
   int32_t stride_2 = iStride2 << 2;
 
-  WelsDctT4_c (pDct,      &pPixel1[0],          iStride1, &pPixel2[0],          iStride2);
-  WelsDctT4_c (pDct + 16, &pPixel1[4],          iStride1, &pPixel2[4],          iStride2);
-  WelsDctT4_c (pDct + 32, &pPixel1[stride_1  ], iStride1, &pPixel2[stride_2  ], iStride2);
+  WelsDctT4_c (pDct,      &pPixel1[0],            iStride1, &pPixel2[0],            iStride2);
+  WelsDctT4_c (pDct + 16, &pPixel1[4],            iStride1, &pPixel2[4],            iStride2);
+  WelsDctT4_c (pDct + 32, &pPixel1[stride_1    ], iStride1, &pPixel2[stride_2    ], iStride2);
   WelsDctT4_c (pDct + 48, &pPixel1[stride_1 + 4], iStride1, &pPixel2[stride_2 + 4], iStride2);
 }
 
--- a/codec/encoder/core/src/encoder.cpp
+++ b/codec/encoder/core/src/encoder.cpp
@@ -52,7 +52,7 @@
 #include "svc_base_layer_md.h"
 #include "svc_mode_decision.h"
 #include "set_mb_syn_cavlc.h"
-#include "crt_util_safe_x.h"	// Safe CRT routines like utils for cross_platforms
+#include "crt_util_safe_x.h" // Safe CRT routines like utils for cross_platforms
 #include "slice_multi_threading.h"
 
 //  global   function  pointers  definition
@@ -74,9 +74,9 @@
   if (NULL == pSrcPic || kiWidth == 0 || kiHeight == 0)
     return 1;
 
-  pSrcPic->iColorFormat	= kiColorspace;
-  pSrcPic->iPicWidth		= kiWidth;
-  pSrcPic->iPicHeight		= kiHeight;
+  pSrcPic->iColorFormat = kiColorspace;
+  pSrcPic->iPicWidth    = kiWidth;
+  pSrcPic->iPicHeight   = kiHeight;
 
   //currently encoder only supports videoFormatI420.
   if ((kiColorspace & (~videoFormatVFlip)) != videoFormatI420)
@@ -84,32 +84,32 @@
   switch (kiColorspace & (~videoFormatVFlip)) {
   case videoFormatI420:
   case videoFormatYV12:
-    pSrcPic->pData[0]	= NULL;
-    pSrcPic->pData[1]	= NULL;
-    pSrcPic->pData[2]	= NULL;
-    pSrcPic->pData[3]	= NULL;
-    pSrcPic->iStride[0]	= kiWidth;
-    pSrcPic->iStride[2]	= pSrcPic->iStride[1] = kiWidth >> 1;
-    pSrcPic->iStride[3]	= 0;
+    pSrcPic->pData[0]   = NULL;
+    pSrcPic->pData[1]   = NULL;
+    pSrcPic->pData[2]   = NULL;
+    pSrcPic->pData[3]   = NULL;
+    pSrcPic->iStride[0] = kiWidth;
+    pSrcPic->iStride[2] = pSrcPic->iStride[1] = kiWidth >> 1;
+    pSrcPic->iStride[3] = 0;
     break;
   case videoFormatYUY2:
   case videoFormatYVYU:
   case videoFormatUYVY:
-    pSrcPic->pData[0]	= NULL;
-    pSrcPic->pData[1]	= NULL;
-    pSrcPic->pData[2]	= NULL;
-    pSrcPic->pData[3]	= NULL;
-    pSrcPic->iStride[0]	= CALC_BI_STRIDE (kiWidth,  16);
-    pSrcPic->iStride[3]	= pSrcPic->iStride[2] = pSrcPic->iStride[1] = 0;
+    pSrcPic->pData[0]   = NULL;
+    pSrcPic->pData[1]   = NULL;
+    pSrcPic->pData[2]   = NULL;
+    pSrcPic->pData[3]   = NULL;
+    pSrcPic->iStride[0] = CALC_BI_STRIDE (kiWidth,  16);
+    pSrcPic->iStride[3] = pSrcPic->iStride[2] = pSrcPic->iStride[1] = 0;
     break;
   case videoFormatRGB:
   case videoFormatBGR:
-    pSrcPic->pData[0]	= NULL;
-    pSrcPic->pData[1]	= NULL;
-    pSrcPic->pData[2]	= NULL;
-    pSrcPic->pData[3]	= NULL;
-    pSrcPic->iStride[0]	= CALC_BI_STRIDE (kiWidth, 24);
-    pSrcPic->iStride[3]	= pSrcPic->iStride[2] = pSrcPic->iStride[1] = 0;
+    pSrcPic->pData[0]   = NULL;
+    pSrcPic->pData[1]   = NULL;
+    pSrcPic->pData[2]   = NULL;
+    pSrcPic->pData[3]   = NULL;
+    pSrcPic->iStride[0] = CALC_BI_STRIDE (kiWidth, 24);
+    pSrcPic->iStride[3] = pSrcPic->iStride[2] = pSrcPic->iStride[1] = 0;
     if (kiColorspace & videoFormatVFlip)
       pSrcPic->iColorFormat = kiColorspace & (~videoFormatVFlip);
     else
@@ -119,12 +119,12 @@
   case videoFormatRGBA:
   case videoFormatARGB:
   case videoFormatABGR:
-    pSrcPic->pData[0]	= NULL;
-    pSrcPic->pData[1]	= NULL;
-    pSrcPic->pData[2]	= NULL;
-    pSrcPic->pData[3]	= NULL;
-    pSrcPic->iStride[0]	= kiWidth << 2;
-    pSrcPic->iStride[3]	= pSrcPic->iStride[2] = pSrcPic->iStride[1] = 0;
+    pSrcPic->pData[0]   = NULL;
+    pSrcPic->pData[1]   = NULL;
+    pSrcPic->pData[2]   = NULL;
+    pSrcPic->pData[3]   = NULL;
+    pSrcPic->iStride[0] = kiWidth << 2;
+    pSrcPic->iStride[3] = pSrcPic->iStride[2] = pSrcPic->iStride[1] = 0;
     if (kiColorspace & videoFormatVFlip)
       pSrcPic->iColorFormat = kiColorspace & (~videoFormatVFlip);
     else
@@ -131,7 +131,7 @@
       pSrcPic->iColorFormat = kiColorspace | videoFormatVFlip;
     break;
   default:
-    return 2;	// any else?
+    return 2; // any else?
   }
 
   return 0;
@@ -231,8 +231,8 @@
  */
 void InitFrameCoding (sWelsEncCtx* pEncCtx, const EVideoFrameType keFrameType) {
   // for bitstream writing
-  pEncCtx->iPosBsBuffer		= 0;	// reset bs pBuffer position
-  pEncCtx->pOut->iNalIndex		= 0;	// reset NAL index
+  pEncCtx->iPosBsBuffer         = 0;    // reset bs pBuffer position
+  pEncCtx->pOut->iNalIndex      = 0;    // reset NAL index
 
   InitBits (&pEncCtx->pOut->sBsWrite, pEncCtx->pOut->pBsBuffer, pEncCtx->pOut->uiSize);
 
@@ -240,7 +240,7 @@
     ++pEncCtx->iFrameIndex;
 
     if (pEncCtx->iPOC < (1 << pEncCtx->pSps->iLog2MaxPocLsb) - 2)     // if iPOC type is no 0, this need be modification
-      pEncCtx->iPOC			+= 2;	// for POC type 0
+      pEncCtx->iPOC += 2;   // for POC type 0
     else
       pEncCtx->iPOC = 0;
 
@@ -248,22 +248,22 @@
       if (pEncCtx->iFrameNum < (1 << pEncCtx->pSps->uiLog2MaxFrameNum) - 1)
         ++ pEncCtx->iFrameNum;
       else
-        pEncCtx->iFrameNum	= 0;	// if iFrameNum overflow
+        pEncCtx->iFrameNum = 0;    // if iFrameNum overflow
     }
-    pEncCtx->eNalType		= NAL_UNIT_CODED_SLICE;
-    pEncCtx->eSliceType	= P_SLICE;
-    pEncCtx->eNalPriority	= NRI_PRI_HIGH;
+    pEncCtx->eNalType           = NAL_UNIT_CODED_SLICE;
+    pEncCtx->eSliceType         = P_SLICE;
+    pEncCtx->eNalPriority       = NRI_PRI_HIGH;
   } else if (keFrameType == videoFrameTypeIDR) {
-    pEncCtx->iFrameNum		= 0;
-    pEncCtx->iPOC			= 0;
+    pEncCtx->iFrameNum          = 0;
+    pEncCtx->iPOC               = 0;
     pEncCtx->bEncCurFrmAsIdrFlag = false;
     pEncCtx->iFrameIndex = 0;
 
-    pEncCtx->eNalType		= NAL_UNIT_CODED_SLICE_IDR;
-    pEncCtx->eSliceType	= I_SLICE;
-    pEncCtx->eNalPriority	= NRI_PRI_HIGHEST;
+    pEncCtx->eNalType           = NAL_UNIT_CODED_SLICE_IDR;
+    pEncCtx->eSliceType         = I_SLICE;
+    pEncCtx->eNalPriority       = NRI_PRI_HIGHEST;
 
-    pEncCtx->iCodingIndex	= 0;
+    pEncCtx->iCodingIndex       = 0;
 
     // reset_ref_list
 
@@ -270,7 +270,7 @@
     // rc_init_gop
   } else if (keFrameType == videoFrameTypeI) {
     if (pEncCtx->iPOC < (1 << pEncCtx->pSps->iLog2MaxPocLsb) - 2)     // if iPOC type is no 0, this need be modification
-      pEncCtx->iPOC			+= 2;	// for POC type 0
+      pEncCtx->iPOC += 2;   // for POC type 0
     else
       pEncCtx->iPOC = 0;
 
@@ -278,15 +278,15 @@
       if (pEncCtx->iFrameNum < (1 << pEncCtx->pSps->uiLog2MaxFrameNum) - 1)
         ++ pEncCtx->iFrameNum;
       else
-        pEncCtx->iFrameNum	= 0;	// if iFrameNum overflow
+        pEncCtx->iFrameNum = 0;    // if iFrameNum overflow
     }
 
-    pEncCtx->eNalType		= NAL_UNIT_CODED_SLICE;
-    pEncCtx->eSliceType	= I_SLICE;
-    pEncCtx->eNalPriority	= NRI_PRI_HIGHEST;
+    pEncCtx->eNalType     = NAL_UNIT_CODED_SLICE;
+    pEncCtx->eSliceType   = I_SLICE;
+    pEncCtx->eNalPriority = NRI_PRI_HIGHEST;
 
     // rc_init_gop
-  } else {	// B pictures are not supported now, any else?
+  } else { // B pictures are not supported now, any else?
     assert (0);
   }
 
@@ -296,7 +296,7 @@
 }
 
 EVideoFrameType DecideFrameType (sWelsEncCtx* pEncCtx, const int8_t kiSpatialNum) {
-  SWelsSvcCodingParam* pSvcParam	= pEncCtx->pSvcParam;
+  SWelsSvcCodingParam* pSvcParam = pEncCtx->pSvcParam;
   EVideoFrameType iFrameType = videoFrameTypeInvalid;
   bool bSceneChangeFlag = false;
 
@@ -370,7 +370,7 @@
 extern "C" void DumpDependencyRec (SPicture* pCurPicture, const char* kpFileName, const int8_t kiDid, bool bAppend,
                                    SDqLayer* pDqLayer) {
   WelsFileHandle* pDumpRecFile = NULL;
-  int32_t iWrittenSize											= 0;
+  int32_t iWrittenSize = 0;
   const char* openMode = bAppend ? "ab" : "wb";
   SWelsSPS* pSpsTmp = (kiDid > BASE_DEPENDENCY_ID) ? & (pDqLayer->sLayerInfo.pSubsetSpsP->pSps) :
                       pDqLayer->sLayerInfo.pSpsP;
@@ -380,12 +380,12 @@
   if (NULL == pCurPicture || NULL == kpFileName || kiDid >= MAX_DEPENDENCY_LAYER)
     return;
 
-  if (strlen (kpFileName) > 0)	// confirmed_safe_unsafe_usage
+  if (strlen (kpFileName) > 0) // confirmed_safe_unsafe_usage
     pDumpRecFile = WelsFopen (kpFileName, openMode);
   else {
     char sDependencyRecFileName[16] = {0};
-    WelsSnprintf (sDependencyRecFileName, 16, "rec%d.yuv", kiDid);	// confirmed_safe_unsafe_usage
-    pDumpRecFile	= WelsFopen (sDependencyRecFileName, openMode);
+    WelsSnprintf (sDependencyRecFileName, 16, "rec%d.yuv", kiDid); // confirmed_safe_unsafe_usage
+    pDumpRecFile = WelsFopen (sDependencyRecFileName, openMode);
   }
   if (NULL != pDumpRecFile && bAppend)
     WelsFseek (pDumpRecFile, 0, SEEK_END);
@@ -393,13 +393,13 @@
   if (NULL != pDumpRecFile) {
     int32_t i = 0;
     int32_t j = 0;
-    const int32_t kiStrideY	= pCurPicture->iLineSize[0];
-    const int32_t kiLumaWidth	= bFrameCroppingFlag ? (pCurPicture->iWidthInPixel - ((pFrameCrop->iCropLeft +
-                                pFrameCrop->iCropRight) << 1)) : pCurPicture->iWidthInPixel;
-    const int32_t kiLumaHeight	= bFrameCroppingFlag ? (pCurPicture->iHeightInPixel - ((pFrameCrop->iCropTop +
-                                  pFrameCrop->iCropBottom) << 1)) : pCurPicture->iHeightInPixel;
-    const int32_t kiChromaWidth	= kiLumaWidth >> 1;
-    const int32_t kiChromaHeight	= kiLumaHeight >> 1;
+    const int32_t kiStrideY      = pCurPicture->iLineSize[0];
+    const int32_t kiLumaWidth    = bFrameCroppingFlag ? (pCurPicture->iWidthInPixel - ((pFrameCrop->iCropLeft +
+                                   pFrameCrop->iCropRight) << 1)) : pCurPicture->iWidthInPixel;
+    const int32_t kiLumaHeight   = bFrameCroppingFlag ? (pCurPicture->iHeightInPixel - ((pFrameCrop->iCropTop +
+                                   pFrameCrop->iCropBottom) << 1)) : pCurPicture->iHeightInPixel;
+    const int32_t kiChromaWidth  = kiLumaWidth >> 1;
+    const int32_t kiChromaHeight = kiLumaHeight >> 1;
     uint8_t* pSrc = NULL;
     pSrc = bFrameCroppingFlag ? (pCurPicture->pData[0] + kiStrideY * (pFrameCrop->iCropTop << 1) +
                                  (pFrameCrop->iCropLeft << 1)) : pCurPicture->pData[0];
@@ -407,7 +407,7 @@
       iWrittenSize = WelsFwrite (pSrc + j * kiStrideY, 1, kiLumaWidth, pDumpRecFile);
       assert (iWrittenSize == kiLumaWidth);
       if (iWrittenSize < kiLumaWidth) {
-        assert (0);	// make no sense for us if writing failed
+        assert (0); // make no sense for us if writing failed
         WelsFclose (pDumpRecFile);
         return;
       }
@@ -420,7 +420,7 @@
         iWrittenSize = WelsFwrite (pSrc + j * kiStrideUV, 1, kiChromaWidth, pDumpRecFile);
         assert (iWrittenSize == kiChromaWidth);
         if (iWrittenSize < kiChromaWidth) {
-          assert (0);	// make no sense for us if writing failed
+          assert (0); // make no sense for us if writing failed
           WelsFclose (pDumpRecFile);
           return;
         }
@@ -437,22 +437,22 @@
 
 void DumpRecFrame (SPicture* pCurPicture, const char* kpFileName, const int8_t kiDid, bool bAppend,
                    SDqLayer* pDqLayer) {
-  WelsFileHandle* pDumpRecFile				= NULL;
+  WelsFileHandle* pDumpRecFile = NULL;
   SWelsSPS* pSpsTmp = (kiDid > BASE_DEPENDENCY_ID) ? & (pDqLayer->sLayerInfo.pSubsetSpsP->pSps) :
                       pDqLayer->sLayerInfo.pSpsP;
   bool bFrameCroppingFlag = pSpsTmp->bFrameCroppingFlag;
   SCropOffset* pFrameCrop = &pSpsTmp->sFrameCrop;
 
-  int32_t iWrittenSize			= 0;
+  int32_t iWrittenSize = 0;
   const char* openMode = bAppend ? "ab" : "wb";
 
   if (NULL == pCurPicture || NULL == kpFileName)
     return;
 
-  if (strlen (kpFileName) > 0) {	// confirmed_safe_unsafe_usage
-    pDumpRecFile	= WelsFopen (kpFileName, openMode);
+  if (strlen (kpFileName) > 0) { // confirmed_safe_unsafe_usage
+    pDumpRecFile = WelsFopen (kpFileName, openMode);
   } else {
-    pDumpRecFile	= WelsFopen ("rec.yuv", openMode);
+    pDumpRecFile = WelsFopen ("rec.yuv", openMode);
   }
   if (NULL != pDumpRecFile && bAppend)
     WelsFseek (pDumpRecFile, 0, SEEK_END);
@@ -460,13 +460,13 @@
   if (NULL != pDumpRecFile) {
     int32_t i = 0;
     int32_t j = 0;
-    const int32_t kiStrideY	= pCurPicture->iLineSize[0];
-    const int32_t kiLumaWidth	= bFrameCroppingFlag ? (pCurPicture->iWidthInPixel - ((pFrameCrop->iCropLeft +
-                                pFrameCrop->iCropRight) << 1)) : pCurPicture->iWidthInPixel;
-    const int32_t kiLumaHeight	= bFrameCroppingFlag ? (pCurPicture->iHeightInPixel - ((pFrameCrop->iCropTop +
-                                  pFrameCrop->iCropBottom) << 1)) : pCurPicture->iHeightInPixel;
-    const int32_t kiChromaWidth	= kiLumaWidth >> 1;
-    const int32_t kiChromaHeight	= kiLumaHeight >> 1;
+    const int32_t kiStrideY      = pCurPicture->iLineSize[0];
+    const int32_t kiLumaWidth    = bFrameCroppingFlag ? (pCurPicture->iWidthInPixel - ((pFrameCrop->iCropLeft +
+                                   pFrameCrop->iCropRight) << 1)) : pCurPicture->iWidthInPixel;
+    const int32_t kiLumaHeight   = bFrameCroppingFlag ? (pCurPicture->iHeightInPixel - ((pFrameCrop->iCropTop +
+                                   pFrameCrop->iCropBottom) << 1)) : pCurPicture->iHeightInPixel;
+    const int32_t kiChromaWidth  = kiLumaWidth >> 1;
+    const int32_t kiChromaHeight = kiLumaHeight >> 1;
     uint8_t* pSrc = NULL;
     pSrc = bFrameCroppingFlag ? (pCurPicture->pData[0] + kiStrideY * (pFrameCrop->iCropTop << 1) +
                                  (pFrameCrop->iCropLeft << 1)) : pCurPicture->pData[0];
@@ -474,7 +474,7 @@
       iWrittenSize = WelsFwrite (pSrc + j * kiStrideY, 1, kiLumaWidth, pDumpRecFile);
       assert (iWrittenSize == kiLumaWidth);
       if (iWrittenSize < kiLumaWidth) {
-        assert (0);	// make no sense for us if writing failed
+        assert (0); // make no sense for us if writing failed
         WelsFclose (pDumpRecFile);
         return;
       }
@@ -487,7 +487,7 @@
         iWrittenSize = WelsFwrite (pSrc + j * kiStrideUV, 1, kiChromaWidth, pDumpRecFile);
         assert (iWrittenSize == kiChromaWidth);
         if (iWrittenSize < kiChromaWidth) {
-          assert (0);	// make no sense for us if writing failed
+          assert (0); // make no sense for us if writing failed
           WelsFclose (pDumpRecFile);
           return;
         }
@@ -501,7 +501,7 @@
 
 
 /***********************************************************************************/
-void WelsSetMemZero_c (void* pDst, int32_t iSize) {	// confirmed_safe_unsafe_usage
+void WelsSetMemZero_c (void* pDst, int32_t iSize) { // confirmed_safe_unsafe_usage
   memset (pDst, 0, iSize);
 }
 }
--- a/codec/encoder/core/src/encoder_ext.cpp
+++ b/codec/encoder/core/src/encoder_ext.cpp
@@ -51,7 +51,7 @@
 #include "deblocking.h"
 #include "ref_list_mgr_svc.h"
 #include "ls_defines.h"
-#include "crt_util_safe_x.h"	// Safe CRT routines like utils for cross platforms
+#include "crt_util_safe_x.h" // Safe CRT routines like utils for cross platforms
 #include "slice_multi_threading.h"
 #include "measure_time.h"
 #include "svc_set_mb_syn.h"
@@ -64,8 +64,8 @@
                                  SLayerBSInfo* pLayerBsInfo,
                                  int32_t* pNalIdxInLayer,
                                  int32_t* pLayerSize,
-                                 int32_t iFirstMbInPartition,	// first mb inclusive in partition
-                                 int32_t iEndMbInPartition,	// end mb exclusive in partition
+                                 int32_t iFirstMbInPartition,   // first mb inclusive in partition
+                                 int32_t iEndMbInPartition,     // end mb exclusive in partition
                                  int32_t iStartSliceIdx
                                 );
 
@@ -348,8 +348,8 @@
 
   //about iMultipleThreadIdc, bDeblockingParallelFlag, iLoopFilterDisableIdc, & uiSliceMode
   // (1) Single Thread
-  //	if (THREAD==1)//single thread
-  //		no parallel_deblocking: bDeblockingParallelFlag = 0;
+  //    if (THREAD==1)//single thread
+  //            no parallel_deblocking: bDeblockingParallelFlag = 0;
   // (2) Multi Thread: see uiSliceMode decision
   if (pCodingParam->iMultipleThreadIdc == 1) {
     //now is single thread. no parallel deblocking, set flag=0
@@ -391,10 +391,10 @@
     SSpatialLayerConfig* pSpatialLayer = &pCodingParam->sSpatialLayers[i];
     const int32_t kiPicWidth = pSpatialLayer->iVideoWidth;
     const int32_t kiPicHeight = pSpatialLayer->iVideoHeight;
-    uint32_t iMbWidth		= 0;
-    uint32_t iMbHeight		= 0;
-    int32_t iMbNumInFrame		= 0;
-    uint32_t iMaxSliceNum		= MAX_SLICES_NUM;
+    uint32_t iMbWidth           = 0;
+    uint32_t iMbHeight          = 0;
+    int32_t iMbNumInFrame       = 0;
+    uint32_t iMaxSliceNum       = MAX_SLICES_NUM;
     if ((kiPicWidth <= 0) || (kiPicHeight <= 0) || (kiPicWidth > MAX_WIDTH) || (kiPicHeight > MAX_HEIGHT)) {
       WelsLog (pLogCtx, WELS_LOG_ERROR,
                "ParamValidationExt(),width(1-%d),height(1-%d)invalid %d x %d in dependency layer settings!", MAX_WIDTH, MAX_HEIGHT,
@@ -436,8 +436,8 @@
     case SM_FIXEDSLCNUM_SLICE: {
       pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceSizeConstraint = 0;
 
-      iMbWidth	= (kiPicWidth + 15) >> 4;
-      iMbHeight	= (kiPicHeight + 15) >> 4;
+      iMbWidth  = (kiPicWidth + 15) >> 4;
+      iMbHeight = (kiPicHeight + 15) >> 4;
       iMbNumInFrame = iMbWidth * iMbHeight;
       iMaxSliceNum = MAX_SLICES_NUM;
       if (pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum <= 0
@@ -450,10 +450,10 @@
         WelsLog (pLogCtx, WELS_LOG_DEBUG,
                  "ParamValidationExt(), uiSliceNum(%d) you set for SM_FIXEDSLCNUM_SLICE, now turn to SM_SINGLE_SLICE type!",
                  pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum);
-        pSpatialLayer->sSliceCfg.uiSliceMode	= SM_SINGLE_SLICE;
+        pSpatialLayer->sSliceCfg.uiSliceMode = SM_SINGLE_SLICE;
         break;
       }
-      if (pCodingParam->iRCMode != RC_OFF_MODE) {	// multiple slices verify with gom
+      if (pCodingParam->iRCMode != RC_OFF_MODE) { // multiple slices verify with gom
         //check uiSliceNum and set uiSliceMbNum with current uiSliceNum
         if (!GomValidCheckSliceNum (iMbWidth, iMbHeight, &pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum)) {
           WelsLog (pLogCtx, WELS_LOG_WARNING,
@@ -469,7 +469,7 @@
         }
         assert (pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum > 1);
       } else if (!CheckFixedSliceNumMultiSliceSetting (iMbNumInFrame,
-                 &pSpatialLayer->sSliceCfg.sSliceArgument)) {	// verify interleave mode settings
+                 &pSpatialLayer->sSliceCfg.sSliceArgument)) { // verify interleave mode settings
         //check uiSliceMbNum with current uiSliceNum
         WelsLog (pLogCtx, WELS_LOG_ERROR, "ParamValidationExt(), invalid uiSliceMbNum (%d) settings!",
                  pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceMbNum[0]);
@@ -477,8 +477,8 @@
       }
       // considering the coding efficient and performance, iCountMbNum constraint by MIN_NUM_MB_PER_SLICE condition of multi-pSlice mode settting
       if (iMbNumInFrame <= MIN_NUM_MB_PER_SLICE) {
-        pSpatialLayer->sSliceCfg.uiSliceMode	= SM_SINGLE_SLICE;
-        pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum	= 1;
+        pSpatialLayer->sSliceCfg.uiSliceMode = SM_SINGLE_SLICE;
+        pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum = 1;
         break;
       }
     }
@@ -490,8 +490,8 @@
     case SM_RASTER_SLICE: {
       pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceSizeConstraint = 0;
 
-      iMbWidth	= (kiPicWidth + 15) >> 4;
-      iMbHeight	= (kiPicHeight + 15) >> 4;
+      iMbWidth  = (kiPicWidth + 15) >> 4;
+      iMbHeight = (kiPicHeight + 15) >> 4;
       iMbNumInFrame = iMbWidth * iMbHeight;
       iMaxSliceNum = MAX_SLICES_NUM;
       if (pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceMbNum[0] <= 0) {
@@ -501,13 +501,13 @@
       }
 
       if (!CheckRasterMultiSliceSetting (iMbNumInFrame,
-                                         &pSpatialLayer->sSliceCfg.sSliceArgument)) {	// verify interleave mode settings
+                                         &pSpatialLayer->sSliceCfg.sSliceArgument)) { // verify interleave mode settings
         WelsLog (pLogCtx, WELS_LOG_ERROR, "ParamValidationExt(), invalid uiSliceMbNum (%d) settings!",
                  pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceMbNum[0]);
         return ENC_RETURN_UNSUPPORTED_PARA;
       }
       if (pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum <= 0
-          || pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum > iMaxSliceNum) {	// verify interleave mode settings
+          || pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum > iMaxSliceNum) { // verify interleave mode settings
         WelsLog (pLogCtx, WELS_LOG_ERROR, "ParamValidationExt(), invalid uiSliceNum (%d) in SM_RASTER_SLICE settings!",
                  pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum);
         return ENC_RETURN_UNSUPPORTED_PARA;
@@ -515,7 +515,7 @@
       if (pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum == 1) {
         WelsLog (pLogCtx, WELS_LOG_WARNING,
                  "ParamValidationExt(), pSlice setting for SM_RASTER_SLICE now turn to SM_SINGLE_SLICE!");
-        pSpatialLayer->sSliceCfg.uiSliceMode	= SM_SINGLE_SLICE;
+        pSpatialLayer->sSliceCfg.uiSliceMode = SM_SINGLE_SLICE;
         break;
       }
       if ((pCodingParam->iRCMode != RC_OFF_MODE) && pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum > 1) {
@@ -523,8 +523,8 @@
       }
       // considering the coding efficient and performance, iCountMbNum constraint by MIN_NUM_MB_PER_SLICE condition of multi-pSlice mode settting
       if (iMbNumInFrame <= MIN_NUM_MB_PER_SLICE) {
-        pSpatialLayer->sSliceCfg.uiSliceMode	= SM_SINGLE_SLICE;
-        pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum	= 1;
+        pSpatialLayer->sSliceCfg.uiSliceMode = SM_SINGLE_SLICE;
+        pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum = 1;
         break;
       }
     }
@@ -532,8 +532,8 @@
     case SM_ROWMB_SLICE: {
       pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceSizeConstraint = 0;
 
-      iMbWidth	= (kiPicWidth + 15) >> 4;
-      iMbHeight	= (kiPicHeight + 15) >> 4;
+      iMbWidth  = (kiPicWidth + 15) >> 4;
+      iMbHeight = (kiPicHeight + 15) >> 4;
       iMaxSliceNum = MAX_SLICES_NUM;
       if (iMbHeight > iMaxSliceNum) {
         WelsLog (pLogCtx, WELS_LOG_ERROR, "ParamValidationExt(), invalid uiSliceNum (%d) settings more than MAX(%d)!",
@@ -540,7 +540,7 @@
                  iMbHeight, MAX_SLICES_NUM);
         return ENC_RETURN_UNSUPPORTED_PARA;
       }
-      pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum	= iMbHeight;
+      pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum = iMbHeight;
 
       if (pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceNum <= 0) {
         WelsLog (pLogCtx, WELS_LOG_ERROR, "ParamValidationExt(), invalid uiSliceNum (%d) settings!",
@@ -548,7 +548,7 @@
         return ENC_RETURN_UNSUPPORTED_PARA;
       }
       if (!CheckRowMbMultiSliceSetting (iMbWidth,
-                                        &pSpatialLayer->sSliceCfg.sSliceArgument)) {	// verify interleave mode settings
+                                        &pSpatialLayer->sSliceCfg.sSliceArgument)) { // verify interleave mode settings
         WelsLog (pLogCtx, WELS_LOG_ERROR, "ParamValidationExt(), invalid uiSliceMbNum (%d) settings!",
                  pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceMbNum[0]);
         return ENC_RETURN_UNSUPPORTED_PARA;
@@ -556,8 +556,8 @@
     }
     break;
     case SM_DYN_SLICE: {
-      iMbWidth	= (kiPicWidth + 15) >> 4;
-      iMbHeight	= (kiPicHeight + 15) >> 4;
+      iMbWidth  = (kiPicWidth + 15) >> 4;
+      iMbHeight = (kiPicHeight + 15) >> 4;
       if (pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceSizeConstraint <= 0) {
         WelsLog (pLogCtx, WELS_LOG_ERROR, "ParamValidationExt(), invalid iSliceSize (%d) settings!",
                  pSpatialLayer->sSliceCfg.sSliceArgument.uiSliceSizeConstraint);
@@ -674,19 +674,19 @@
  */
 static inline int32_t AcquireLayersNals (sWelsEncCtx** ppCtx, SWelsSvcCodingParam* pParam, int32_t* pCountLayers,
     int32_t* pCountNals) {
-  int32_t iCountNumLayers		= 0;
-  int32_t iCountNumNals			= 0;
-  int32_t iNumDependencyLayers	= 0;
-  int32_t iDIndex 				= 0;
+  int32_t iCountNumLayers       = 0;
+  int32_t iCountNumNals         = 0;
+  int32_t iNumDependencyLayers  = 0;
+  int32_t iDIndex               = 0;
 
   if (NULL == pParam || NULL == ppCtx || NULL == *ppCtx)
     return 1;
 
-  iNumDependencyLayers	= pParam->iSpatialLayerNum;
+  iNumDependencyLayers = pParam->iSpatialLayerNum;
 
   do {
     SSpatialLayerConfig* pDLayer = &pParam->sSpatialLayers[iDIndex];
-//		pDLayer->ptr_cfg = pParam;
+//    pDLayer->ptr_cfg = pParam;
     int32_t iOrgNumNals = iCountNumNals;
 
     //Note: Sep. 2010
@@ -748,22 +748,22 @@
   if (NULL != pCountLayers)
     *pCountLayers = iCountNumLayers;
   if (NULL != pCountNals)
-    *pCountNals	= iCountNumNals;
+    *pCountNals = iCountNumNals;
   return 0;
 }
 
 static  void  InitMbInfo (sWelsEncCtx* pEnc, SMB*   pList, SDqLayer* pLayer, const int32_t kiDlayerId,
                           const int32_t kiMaxMbNum) {
-  int32_t  iMbWidth		= pLayer->iMbWidth;
-  int32_t  iMbHeight		= pLayer->iMbHeight;
+  int32_t  iMbWidth     = pLayer->iMbWidth;
+  int32_t  iMbHeight    = pLayer->iMbHeight;
   int32_t  iIdx;
-  int32_t  iMbNum			= iMbWidth * iMbHeight;
+  int32_t  iMbNum       = iMbWidth * iMbHeight;
   SSliceCtx* pSliceCtx = pLayer->pSliceEncCtx;
   uint32_t uiNeighborAvail;
-  const int32_t kiOffset	= (kiDlayerId & 0x01) * kiMaxMbNum;
-  SMVUnitXY (*pLayerMvUnitBlock4x4)[MB_BLOCK4x4_NUM]	= (SMVUnitXY (*)[MB_BLOCK4x4_NUM]) (
+  const int32_t kiOffset = (kiDlayerId & 0x01) * kiMaxMbNum;
+  SMVUnitXY (*pLayerMvUnitBlock4x4)[MB_BLOCK4x4_NUM] = (SMVUnitXY (*)[MB_BLOCK4x4_NUM]) (
         &pEnc->pMvUnitBlock4x4[MB_BLOCK4x4_NUM * kiOffset]);
-  int8_t (*pLayerRefIndexBlock8x8)[MB_BLOCK8x8_NUM]		= (int8_t (*)[MB_BLOCK8x8_NUM]) (
+  int8_t (*pLayerRefIndexBlock8x8)[MB_BLOCK8x8_NUM] = (int8_t (*)[MB_BLOCK8x8_NUM]) (
         &pEnc->pRefIndexBlock4x4[MB_BLOCK8x8_NUM * kiOffset]);
 
   for (iIdx = 0; iIdx < iMbNum; iIdx++) {
@@ -804,8 +804,8 @@
     if (bRightTop) {
       uiNeighborAvail |= TOPRIGHT_MB_POS;
     }
-    pList[iIdx].uiSliceIdc		= uiSliceIdc;	// merge from svc_hd_opt_b for multiple slices coding
-    pList[iIdx].uiNeighborAvail	= uiNeighborAvail;
+    pList[iIdx].uiSliceIdc      = uiSliceIdc; // merge from svc_hd_opt_b for multiple slices coding
+    pList[iIdx].uiNeighborAvail = uiNeighborAvail;
     uiNeighborAvail = 0;
     if (pList[iIdx].iMbX >= BASE_MV_MB_NMB)
       uiNeighborAvail |= LEFT_MB_POS;
@@ -816,22 +816,22 @@
     if (pList[iIdx].iMbY <= (iMbHeight - 1 - BASE_MV_MB_NMB))
       uiNeighborAvail |= BOTTOM_MB_POS;
 
-    pList[iIdx].sMv					= pLayerMvUnitBlock4x4[iIdx];
-    pList[iIdx].pRefIndex			= pLayerRefIndexBlock8x8[iIdx];
-    pList[iIdx].pSadCost				= &pEnc->pSadCostMb[iIdx];
-    pList[iIdx].pIntra4x4PredMode	= &pEnc->pIntra4x4PredModeBlocks[iIdx * INTRA_4x4_MODE_NUM];
-    pList[iIdx].pNonZeroCount		= &pEnc->pNonZeroCountBlocks[iIdx * MB_LUMA_CHROMA_BLOCK4x4_NUM];
+    pList[iIdx].sMv                     = pLayerMvUnitBlock4x4[iIdx];
+    pList[iIdx].pRefIndex               = pLayerRefIndexBlock8x8[iIdx];
+    pList[iIdx].pSadCost                = &pEnc->pSadCostMb[iIdx];
+    pList[iIdx].pIntra4x4PredMode       = &pEnc->pIntra4x4PredModeBlocks[iIdx * INTRA_4x4_MODE_NUM];
+    pList[iIdx].pNonZeroCount           = &pEnc->pNonZeroCountBlocks[iIdx * MB_LUMA_CHROMA_BLOCK4x4_NUM];
   }
 }
 
 
 int32_t   InitMbListD (sWelsEncCtx** ppCtx) {
-  int32_t		iNumDlayer = (*ppCtx)->pSvcParam->iSpatialLayerNum;
-  int32_t		iMbSize[MAX_DEPENDENCY_LAYER] = { 0 };
-  int32_t		iOverallMbNum = 0;
-  int32_t		iMbWidth = 0;
-  int32_t		iMbHeight = 0;
-  int32_t		i;
+  int32_t iNumDlayer = (*ppCtx)->pSvcParam->iSpatialLayerNum;
+  int32_t iMbSize[MAX_DEPENDENCY_LAYER] = { 0 };
+  int32_t iOverallMbNum = 0;
+  int32_t iMbWidth = 0;
+  int32_t iMbHeight = 0;
+  int32_t i;
 
   if (iNumDlayer > MAX_DEPENDENCY_LAYER)
     return 1;
@@ -874,7 +874,7 @@
   pMbCache->pPrevIntra4x4PredModeFlag = (bool*)pMa->WelsMalloc (16 * sizeof (bool),
                                         "pMbCache->pPrevIntra4x4PredModeFlag");
   WELS_VERIFY_RETURN_IF (1, (NULL == pMbCache->pPrevIntra4x4PredModeFlag));
-  pMbCache->pRemIntra4x4PredModeFlag	= (int8_t*)pMa->WelsMalloc (16 * sizeof (int8_t),
+  pMbCache->pRemIntra4x4PredModeFlag = (int8_t*)pMa->WelsMalloc (16 * sizeof (int8_t),
                                         "pMbCache->pRemIntra4x4PredModeFlag");
   WELS_VERIFY_RETURN_IF (1, (NULL == pMbCache->pRemIntra4x4PredModeFlag));
   pMbCache->pDct = (SDCTCoeff*)pMa->WelsMalloc (sizeof (SDCTCoeff), "pMbCache->pDct");
@@ -923,14 +923,14 @@
   int32_t iRet = 0;
 
   if (!kbUseSubsetSps) {
-    pSps	= & (pCtx->pSpsArray[kiSpsId]);
+    pSps        = & (pCtx->pSpsArray[kiSpsId]);
   } else {
-    pSubsetSps	= & (pCtx->pSubsetArray[kiSpsId]);
-    pSps			= &pSubsetSps->pSps;
+    pSubsetSps  = & (pCtx->pSubsetArray[kiSpsId]);
+    pSps        = &pSubsetSps->pSps;
   }
 
-  SWelsSvcCodingParam* pParam	= pCtx->pSvcParam;
-  SSpatialLayerConfig* pDlayerParam	= &pParam->sSpatialLayers[iDlayerIndex];
+  SWelsSvcCodingParam* pParam = pCtx->pSvcParam;
+  SSpatialLayerConfig* pDlayerParam = &pParam->sSpatialLayers[iDlayerIndex];
   // Need port pSps/pPps initialization due to spatial scalability changed
   if (!kbUseSubsetSps) {
     iRet = WelsInitSps (pSps, pDlayerParam, &pParam->sDependencyLayers[iDlayerIndex], pParam->uiIntraPeriod,
@@ -1001,7 +1001,7 @@
                          const int32_t iDlayerCount, const int32_t iSpsNumInUse,
                          SWelsSPS* pSpsArray,
                          SSubsetSps* pSubsetArray, bool bSVCBaseLayer) {
-  SSpatialLayerConfig* pDlayerParam	= &pParam->sSpatialLayers[iDlayerIndex];
+  SSpatialLayerConfig* pDlayerParam = &pParam->sSpatialLayers[iDlayerIndex];
 
   assert (iSpsNumInUse <= MAX_SPS_COUNT);
   if (!kbUseSubsetSps) {
@@ -1070,25 +1070,25 @@
  * \return  0 - successful; otherwise failed
  */
 static inline int32_t InitDqLayers (sWelsEncCtx** ppCtx, SExistingParasetList* pExistingParasetList) {
-  SWelsSvcCodingParam* pParam	= NULL;
-  SWelsSPS* pSps						= NULL;
-  SSubsetSps* pSubsetSps			= NULL;
-  SWelsPPS* pPps						= NULL;
-  CMemoryAlign* pMa				= NULL;
-  int32_t iDlayerCount					= 0;
-  int32_t iDlayerIndex					= 0;
-  uint32_t iSpsId					= 0;
-  uint32_t iPpsId					= 0;
-  uint32_t iNumRef				= 0;
-  int32_t iResult					= 0;
+  SWelsSvcCodingParam* pParam   = NULL;
+  SWelsSPS* pSps                = NULL;
+  SSubsetSps* pSubsetSps        = NULL;
+  SWelsPPS* pPps                = NULL;
+  CMemoryAlign* pMa             = NULL;
+  int32_t iDlayerCount          = 0;
+  int32_t iDlayerIndex          = 0;
+  uint32_t iSpsId               = 0;
+  uint32_t iPpsId               = 0;
+  uint32_t iNumRef              = 0;
+  int32_t iResult               = 0;
 
   if (NULL == ppCtx || NULL == *ppCtx)
     return 1;
 
-  pMa		= (*ppCtx)->pMemAlign;
-  pParam	= (*ppCtx)->pSvcParam;
-  iDlayerCount	= pParam->iSpatialLayerNum;
-  iNumRef	= pParam->iMaxNumRefFrame;
+  pMa           = (*ppCtx)->pMemAlign;
+  pParam        = (*ppCtx)->pSvcParam;
+  iDlayerCount  = pParam->iSpatialLayerNum;
+  iNumRef       = pParam->iMaxNumRefFrame;
 
   const int32_t kiFeatureStrategyIndex = FME_DEFAULT_FEATURE_INDEX;
   const int32_t kiMe16x16 = ME_DIA_CROSS;
@@ -1096,43 +1096,42 @@
   const int32_t kiNeedFeatureStorage = (pParam->iUsageType != SCREEN_CONTENT_REAL_TIME) ? 0 :
                                        ((kiFeatureStrategyIndex << 16) + ((kiMe16x16 & 0x00FF) << 8) + (kiMe8x8 & 0x00FF));
 
-  iDlayerIndex			= 0;
+  iDlayerIndex = 0;
   while (iDlayerIndex < iDlayerCount) {
-    SRefList* pRefList			= NULL;
-    uint32_t i					= 0;
-    const int32_t kiWidth			= pParam->sSpatialLayers[iDlayerIndex].iVideoWidth;
-    const int32_t kiHeight		= pParam->sSpatialLayers[iDlayerIndex].iVideoHeight;
-    int32_t iPicWidth			= WELS_ALIGN (kiWidth, MB_WIDTH_LUMA) + (PADDING_LENGTH << 1);	// with iWidth of horizon
-    int32_t iPicChromaWidth	= iPicWidth >> 1;
+    SRefList* pRefList          = NULL;
+    uint32_t i                  = 0;
+    const int32_t kiWidth       = pParam->sSpatialLayers[iDlayerIndex].iVideoWidth;
+    const int32_t kiHeight      = pParam->sSpatialLayers[iDlayerIndex].iVideoHeight;
+    int32_t iPicWidth           = WELS_ALIGN (kiWidth, MB_WIDTH_LUMA) + (PADDING_LENGTH << 1);  // with iWidth of horizon
+    int32_t iPicChromaWidth     = iPicWidth >> 1;
 
-    iPicWidth	= WELS_ALIGN (iPicWidth,
-                            32);	// 32(or 16 for chroma below) to match original imp. here instead of iCacheLineSize
-    iPicChromaWidth	= WELS_ALIGN (iPicChromaWidth, 16);
+    iPicWidth = WELS_ALIGN (iPicWidth, 32); // 32(or 16 for chroma below) to match original imp. here instead of iCacheLineSize
+    iPicChromaWidth = WELS_ALIGN (iPicChromaWidth, 16);
 
     WelsGetEncBlockStrideOffset ((*ppCtx)->pStrideTab->pStrideEncBlockOffset[iDlayerIndex], iPicWidth, iPicChromaWidth);
 
     // pRef list
-    pRefList		= (SRefList*)pMa->WelsMallocz (sizeof (SRefList), "pRefList");
+    pRefList = (SRefList*)pMa->WelsMallocz (sizeof (SRefList), "pRefList");
     WELS_VERIFY_RETURN_PROC_IF (1, (NULL == pRefList), FreeMemorySvc (ppCtx))
     do {
-      pRefList->pRef[i]	= AllocPicture (pMa, kiWidth, kiHeight, true,
-                                        (iDlayerIndex == iDlayerCount - 1) ? kiNeedFeatureStorage : 0);	// to use actual size of current layer
+      pRefList->pRef[i] = AllocPicture (pMa, kiWidth, kiHeight, true,
+                                        (iDlayerIndex == iDlayerCount - 1) ? kiNeedFeatureStorage : 0); // to use actual size of current layer
       WELS_VERIFY_RETURN_PROC_IF (1, (NULL == pRefList->pRef[i]), FreeMemorySvc (ppCtx))
       ++ i;
     } while (i < 1 + iNumRef);
 
     pRefList->pNextBuffer = pRefList->pRef[0];
-    (*ppCtx)->ppRefPicListExt[iDlayerIndex]	= pRefList;
+    (*ppCtx)->ppRefPicListExt[iDlayerIndex] = pRefList;
     ++ iDlayerIndex;
   }
 
-  iDlayerIndex	= 0;
+  iDlayerIndex = 0;
   while (iDlayerIndex < iDlayerCount) {
-    SDqLayer* pDqLayer		= NULL;
-    SSpatialLayerConfig* pDlayer	= &pParam->sSpatialLayers[iDlayerIndex];
-    const int32_t kiMbW		= (pDlayer->iVideoWidth + 0x0f) >> 4;
-    const int32_t kiMbH		= (pDlayer->iVideoHeight + 0x0f) >> 4;
-    int32_t iMaxSliceNum	= 1;
+    SDqLayer* pDqLayer              = NULL;
+    SSpatialLayerConfig* pDlayer    = &pParam->sSpatialLayers[iDlayerIndex];
+    const int32_t kiMbW             = (pDlayer->iVideoWidth + 0x0f) >> 4;
+    const int32_t kiMbH             = (pDlayer->iVideoHeight + 0x0f) >> 4;
+    int32_t iMaxSliceNum            = 1;
     const int32_t kiSliceNum = GetInitialSliceNum (kiMbW, kiMbH, &pDlayer->sSliceCfg);
     if (iMaxSliceNum < kiSliceNum)
       iMaxSliceNum = kiSliceNum;
@@ -1143,11 +1142,11 @@
 
     // for dynamic slicing mode
     if (SM_DYN_SLICE == pDlayer->sSliceCfg.uiSliceMode) {
-      const int32_t iSize			= pParam->iCountThreadsNum * sizeof (int32_t);
+      const int32_t iSize                       = pParam->iCountThreadsNum * sizeof (int32_t);
 
-      pDqLayer->pNumSliceCodedOfPartition		= (int32_t*)pMa->WelsMallocz (iSize, "pNumSliceCodedOfPartition");
-      pDqLayer->pLastCodedMbIdxOfPartition	= (int32_t*)pMa->WelsMallocz (iSize, "pLastCodedMbIdxOfPartition");
-      pDqLayer->pLastMbIdxOfPartition			= (int32_t*)pMa->WelsMallocz (iSize, "pLastMbIdxOfPartition");
+      pDqLayer->pNumSliceCodedOfPartition       = (int32_t*)pMa->WelsMallocz (iSize, "pNumSliceCodedOfPartition");
+      pDqLayer->pLastCodedMbIdxOfPartition      = (int32_t*)pMa->WelsMallocz (iSize, "pLastCodedMbIdxOfPartition");
+      pDqLayer->pLastMbIdxOfPartition           = (int32_t*)pMa->WelsMallocz (iSize, "pLastMbIdxOfPartition");
 
       WELS_VERIFY_RETURN_PROC_IF (1,
                                   (NULL == pDqLayer->pNumSliceCodedOfPartition ||
@@ -1156,11 +1155,11 @@
                                   FreeMemorySvc (ppCtx))
     }
 
-    pDqLayer->iMbWidth					= kiMbW;
-    pDqLayer->iMbHeight					= kiMbH;
+    pDqLayer->iMbWidth  = kiMbW;
+    pDqLayer->iMbHeight = kiMbH;
     {
-      int32_t iSliceIdx		= 0;
-      pDqLayer->sLayerInfo.pSliceInLayer	= (SSlice*)pMa->WelsMallocz (sizeof (SSlice) * iMaxSliceNum, "pSliceInLayer");
+      int32_t iSliceIdx = 0;
+      pDqLayer->sLayerInfo.pSliceInLayer = (SSlice*)pMa->WelsMallocz (sizeof (SSlice) * iMaxSliceNum, "pSliceInLayer");
 
       WELS_VERIFY_RETURN_PROC_IF (1, (NULL == pDqLayer->sLayerInfo.pSliceInLayer), FreeMemorySvc (ppCtx))
       if (iMaxSliceNum > 1) {
@@ -1179,10 +1178,10 @@
         }
       }
       // fix issue in case single pSlice coding might be inclusive exist in variant spatial layer setting, also introducing multi-pSlice modes
-      else {	// only one pSlice
+      else { // only one pSlice
         SSlice* pSlice = &pDqLayer->sLayerInfo.pSliceInLayer[0];
-        pSlice->uiSliceIdx	= 0;
-        pSlice->pSliceBsa	= & (*ppCtx)->pOut->sBsWrite;
+        pSlice->uiSliceIdx = 0;
+        pSlice->pSliceBsa  = & (*ppCtx)->pOut->sBsWrite;
         if (AllocMbCacheAligned (&pSlice->sMbCacheInfo, pMa)) {
           FreeMemorySvc (ppCtx);
           return 1;
@@ -1192,17 +1191,17 @@
 
     //deblocking parameters initialization
     //target-layer deblocking
-    pDqLayer->iLoopFilterDisableIdc	                = pParam->iLoopFilterDisableIdc;
-    pDqLayer->iLoopFilterAlphaC0Offset				= (pParam->iLoopFilterAlphaC0Offset) << 1;
-    pDqLayer->iLoopFilterBetaOffset					= (pParam->iLoopFilterBetaOffset) << 1;
+    pDqLayer->iLoopFilterDisableIdc     = pParam->iLoopFilterDisableIdc;
+    pDqLayer->iLoopFilterAlphaC0Offset  = (pParam->iLoopFilterAlphaC0Offset) << 1;
+    pDqLayer->iLoopFilterBetaOffset     = (pParam->iLoopFilterBetaOffset) << 1;
     //parallel deblocking
-    pDqLayer->bDeblockingParallelFlag                  = pParam->bDeblockingParallelFlag;
+    pDqLayer->bDeblockingParallelFlag   = pParam->bDeblockingParallelFlag;
 
     //deblocking parameter adjustment
     if (SM_SINGLE_SLICE == pDlayer->sSliceCfg.uiSliceMode) {
       //iLoopFilterDisableIdc: will be 0 or 1 under single_slice
       if (2 == pParam->iLoopFilterDisableIdc) {
-        pDqLayer->iLoopFilterDisableIdc	= 0;
+        pDqLayer->iLoopFilterDisableIdc = 0;
       }
       //bDeblockingParallelFlag
       pDqLayer->bDeblockingParallelFlag = false;
@@ -1209,13 +1208,13 @@
     } else {
       //multi-pSlice
       if (0 == pDqLayer->iLoopFilterDisableIdc) {
-        pDqLayer->bDeblockingParallelFlag	= false;
+        pDqLayer->bDeblockingParallelFlag = false;
       }
     }
 
     //
     if (kiNeedFeatureStorage && iDlayerIndex == iDlayerCount - 1) {
-      pDqLayer->pFeatureSearchPreparation	= static_cast<SFeatureSearchPreparation*> (pMa->WelsMallocz (sizeof (
+      pDqLayer->pFeatureSearchPreparation = static_cast<SFeatureSearchPreparation*> (pMa->WelsMallocz (sizeof (
                                               SFeatureSearchPreparation), "pFeatureSearchPreparation"));
       WELS_VERIFY_RETURN_PROC_IF (1, NULL == pDqLayer->pFeatureSearchPreparation, FreeMemorySvc (ppCtx));
       int32_t iReturn = RequestFeatureSearchPreparation (pMa, pDlayer->iVideoWidth, pDlayer->iVideoHeight,
@@ -1226,7 +1225,7 @@
       pDqLayer->pFeatureSearchPreparation = NULL;
     }
 
-    (*ppCtx)->ppDqLayerList[iDlayerIndex]	= pDqLayer;
+    (*ppCtx)->ppDqLayerList[iDlayerIndex] = pDqLayer;
 
     ++ iDlayerIndex;
   }
@@ -1234,10 +1233,10 @@
   // for dynamically malloc for parameter sets memory instead of maximal items for standard to reduce size, 3/18/2010
   const int32_t kiNeededSpsNum = (*ppCtx)->GetNeededSpsNum();
   const int32_t kiNeededSubsetSpsNum = (*ppCtx)->GetNeededSubsetSpsNum();
-  (*ppCtx)->pSpsArray	= (SWelsSPS*)pMa->WelsMalloc (kiNeededSpsNum * sizeof (SWelsSPS), "pSpsArray");
+  (*ppCtx)->pSpsArray = (SWelsSPS*)pMa->WelsMalloc (kiNeededSpsNum * sizeof (SWelsSPS), "pSpsArray");
   WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->pSpsArray), FreeMemorySvc (ppCtx))
   if (kiNeededSubsetSpsNum > 0) {
-    (*ppCtx)->pSubsetArray	= (SSubsetSps*)pMa->WelsMalloc (kiNeededSubsetSpsNum * sizeof (SSubsetSps), "pSubsetArray");
+    (*ppCtx)->pSubsetArray = (SSubsetSps*)pMa->WelsMalloc (kiNeededSubsetSpsNum * sizeof (SSubsetSps), "pSubsetArray");
     WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->pSubsetArray), FreeMemorySvc (ppCtx))
   } else {
     (*ppCtx)->pSubsetArray = NULL;
@@ -1257,7 +1256,7 @@
 
   // PPS
   const int32_t kiNeededPpsNum = (*ppCtx)->GetNeededPpsNum();
-  (*ppCtx)->pPPSArray	= (SWelsPPS*)pMa->WelsMalloc (kiNeededPpsNum * sizeof (SWelsPPS), "pPPSArray");
+  (*ppCtx)->pPPSArray = (SWelsPPS*)pMa->WelsMalloc (kiNeededPpsNum * sizeof (SWelsPPS), "pPPSArray");
   WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->pPPSArray), FreeMemorySvc (ppCtx))
 
   // copy from existing if the pointer exists
@@ -1273,17 +1272,17 @@
     (*ppCtx)->pPSOVector = NULL;
   }
 
-  (*ppCtx)->pDqIdcMap	= (SDqIdc*)pMa->WelsMallocz (iDlayerCount * sizeof (SDqIdc), "pDqIdcMap");
+  (*ppCtx)->pDqIdcMap = (SDqIdc*)pMa->WelsMallocz (iDlayerCount * sizeof (SDqIdc), "pDqIdcMap");
   WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->pDqIdcMap), FreeMemorySvc (ppCtx))
 
-  iDlayerIndex	= 0;
+  iDlayerIndex = 0;
   while (iDlayerIndex < iDlayerCount) {
-    SDqIdc* pDqIdc		= & (*ppCtx)->pDqIdcMap[iDlayerIndex];
-    const bool bUseSubsetSps			= (!pParam->bSimulcastAVC) && (iDlayerIndex > BASE_DEPENDENCY_ID);
-    SSpatialLayerConfig* pDlayerParam	= &pParam->sSpatialLayers[iDlayerIndex];
+    SDqIdc* pDqIdc                      = & (*ppCtx)->pDqIdcMap[iDlayerIndex];
+    const bool bUseSubsetSps            = (!pParam->bSimulcastAVC) && (iDlayerIndex > BASE_DEPENDENCY_ID);
+    SSpatialLayerConfig* pDlayerParam   = &pParam->sSpatialLayers[iDlayerIndex];
     bool bSvcBaselayer = (!pParam->bSimulcastAVC) && (iDlayerCount > BASE_DEPENDENCY_ID)
                          && (iDlayerIndex == BASE_DEPENDENCY_ID);
-    pDqIdc->uiSpatialId	= iDlayerIndex;
+    pDqIdc->uiSpatialId = iDlayerIndex;
 
     if (! (SPS_LISTING & pParam->eSpsPpsIdStrategy)) {
       WelsGenerateNewSps (*ppCtx, bUseSubsetSps, iDlayerIndex,
@@ -1338,7 +1337,7 @@
     }
 
     if (! (SPS_PPS_LISTING == pParam->eSpsPpsIdStrategy)) {
-      pPps	= & (*ppCtx)->pPPSArray[iPpsId];
+      pPps = & (*ppCtx)->pPPSArray[iPpsId];
       // initialize pPps
       WelsInitPps (pPps, pSps, pSubsetSps, iPpsId, true, bUseSubsetSps, pParam->iEntropyCodingModeFlag != 0);
     } else {
@@ -1354,7 +1353,7 @@
         pPps = & ((*ppCtx)->pPPSArray[kiFoundPpsId]);
       } else {
         iPpsId = ((*ppCtx)->sPSOVector.uiInUsePpsNum++);
-        pPps	= & (*ppCtx)->pPPSArray[iPpsId];
+        pPps    = & (*ppCtx)->pPPSArray[iPpsId];
         WelsInitPps (pPps, pSps, pSubsetSps, iPpsId, true, bUseSubsetSps, pParam->iEntropyCodingModeFlag != 0);
       }
     }
@@ -1373,10 +1372,10 @@
         FreeMemorySvc (ppCtx);
         return iResult;
       }
-      (*ppCtx)->ppDqLayerList[iDlayerIndex]->pSliceEncCtx	= & (*ppCtx)->pSliceCtxList[iDlayerIndex];
+      (*ppCtx)->ppDqLayerList[iDlayerIndex]->pSliceEncCtx = & (*ppCtx)->pSliceCtxList[iDlayerIndex];
     }
-    pDqIdc->iSpsId	= iSpsId;
-    pDqIdc->iPpsId	= iPpsId;
+    pDqIdc->iSpsId = iSpsId;
+    pDqIdc->iPpsId = iPpsId;
 
     (*ppCtx)->sPSOVector.bPpsIdMappingIntoSubsetsps[iPpsId] = bUseSubsetSps;
 
@@ -1403,33 +1402,33 @@
 }
 
 int32_t AllocStrideTables (sWelsEncCtx** ppCtx, const int32_t kiNumSpatialLayers) {
-  CMemoryAlign* pMa				= (*ppCtx)->pMemAlign;
-  SWelsSvcCodingParam* pParam	= (*ppCtx)->pSvcParam;
-  SStrideTables* pPtr				= NULL;
-  int16_t* pTmpRow	= NULL, *pRowX = NULL, *pRowY = NULL, *p = NULL;
-  uint8_t* pBase		= NULL;
+  CMemoryAlign* pMa             = (*ppCtx)->pMemAlign;
+  SWelsSvcCodingParam* pParam   = (*ppCtx)->pSvcParam;
+  SStrideTables* pPtr           = NULL;
+  int16_t* pTmpRow              = NULL, *pRowX = NULL, *pRowY = NULL, *p = NULL;
+  uint8_t* pBase                = NULL;
   uint8_t* pBaseDec = NULL, *pBaseEnc = NULL, *pBaseMbX = NULL, *pBaseMbY = NULL;
   struct {
     int32_t iMbWidth;
-    int32_t iCountMbNum;				// count number of SMB in each spatial
-    int32_t iSizeAllMbAlignCache;	// cache line size aligned in each spatial
+    int32_t iCountMbNum;                // count number of SMB in each spatial
+    int32_t iSizeAllMbAlignCache;       // cache line size aligned in each spatial
   } sMbSizeMap[MAX_DEPENDENCY_LAYER] = {{ 0 }};
   int32_t iLineSizeY[MAX_DEPENDENCY_LAYER][2] = {{ 0 }};
   int32_t iLineSizeUV[MAX_DEPENDENCY_LAYER][2] = {{ 0 }};
   int32_t iMapSpatialIdx[MAX_DEPENDENCY_LAYER][2] = {{ 0 }};
-  int32_t iSizeDec		= 0;
-  int32_t iSizeEnc		= 0;
-  int32_t iCountLayersNeedCs[2]	= {0};
+  int32_t iSizeDec              = 0;
+  int32_t iSizeEnc              = 0;
+  int32_t iCountLayersNeedCs[2] = {0};
   const int32_t kiUnit1Size = 24 * sizeof (int32_t);
-  int32_t iUnit2Size		= 0;
-  int32_t iNeedAllocSize	= 0;
-  int32_t iRowSize		= 0;
-  int16_t iMaxMbWidth	= 0;
-  int16_t iMaxMbHeight	= 0;
-  int32_t i				= 0;
-  int32_t iSpatialIdx		= 0;
-  int32_t iTemporalIdx	= 0;
-  int32_t iCntTid			= 0;
+  int32_t iUnit2Size            = 0;
+  int32_t iNeedAllocSize        = 0;
+  int32_t iRowSize              = 0;
+  int16_t iMaxMbWidth           = 0;
+  int16_t iMaxMbHeight          = 0;
+  int32_t i                     = 0;
+  int32_t iSpatialIdx           = 0;
+  int32_t iTemporalIdx          = 0;
+  int32_t iCntTid               = 0;
 
   if (kiNumSpatialLayers <= 0 || kiNumSpatialLayers > MAX_DEPENDENCY_LAYER)
     return 1;
@@ -1439,7 +1438,7 @@
     return 1;
   (*ppCtx)->pStrideTab = pPtr;
 
-  iCntTid	= pParam->iTemporalLayerNum > 1 ? 2 : 1;
+  iCntTid = pParam->iTemporalLayerNum > 1 ? 2 : 1;
 
   iSpatialIdx = 0;
   while (iSpatialIdx < kiNumSpatialLayers) {
@@ -1447,8 +1446,8 @@
     const int32_t kiTmpHeight = (pParam->sSpatialLayers[iSpatialIdx].iVideoHeight + 15) >> 4;
     int32_t iNumMb = kiTmpWidth * kiTmpHeight;
 
-    sMbSizeMap[iSpatialIdx].iMbWidth		= kiTmpWidth;
-    sMbSizeMap[iSpatialIdx].iCountMbNum	= iNumMb;
+    sMbSizeMap[iSpatialIdx].iMbWidth    = kiTmpWidth;
+    sMbSizeMap[iSpatialIdx].iCountMbNum = iNumMb;
 
     iNumMb *= sizeof (int16_t);
     sMbSizeMap[iSpatialIdx].iSizeAllMbAlignCache = iNumMb;
@@ -1460,14 +1459,14 @@
   // Adaptive size_cs, size_fdec by implementation dependency
   iTemporalIdx = 0;
   while (iTemporalIdx < iCntTid) {
-    const bool kbBaseTemporalFlag	= (iTemporalIdx == 0);
+    const bool kbBaseTemporalFlag = (iTemporalIdx == 0);
 
     iSpatialIdx = 0;
     while (iSpatialIdx < kiNumSpatialLayers) {
-      SSpatialLayerConfig* fDlp					= &pParam->sSpatialLayers[iSpatialIdx];
+      SSpatialLayerConfig* fDlp = &pParam->sSpatialLayers[iSpatialIdx];
 
       const int32_t kiWidthPad = WELS_ALIGN (fDlp->iVideoWidth, 16) + (PADDING_LENGTH << 1);
-      iLineSizeY[iSpatialIdx][kbBaseTemporalFlag]	= WELS_ALIGN (kiWidthPad, 32);
+      iLineSizeY[iSpatialIdx][kbBaseTemporalFlag]  = WELS_ALIGN (kiWidthPad, 32);
       iLineSizeUV[iSpatialIdx][kbBaseTemporalFlag] = WELS_ALIGN ((kiWidthPad >> 1), 16);
 
       iMapSpatialIdx[iCountLayersNeedCs[kbBaseTemporalFlag]][kbBaseTemporalFlag] = iSpatialIdx;
@@ -1486,24 +1485,24 @@
     return 1;
   }
 
-  pBaseDec = pBase;		// iCountLayersNeedCs
-  pBaseEnc = pBaseDec + iSizeDec;		// iNumSpatialLayers
-  pBaseMbX = pBaseEnc + iSizeEnc;	// iNumSpatialLayers
-  pBaseMbY = pBaseMbX + iUnit2Size;	// iNumSpatialLayers
+  pBaseDec = pBase;                     // iCountLayersNeedCs
+  pBaseEnc = pBaseDec + iSizeDec;       // iNumSpatialLayers
+  pBaseMbX = pBaseEnc + iSizeEnc;       // iNumSpatialLayers
+  pBaseMbY = pBaseMbX + iUnit2Size;     // iNumSpatialLayers
 
   iTemporalIdx = 0;
   while (iTemporalIdx < iCntTid) {
-    const bool kbBaseTemporalFlag	= (iTemporalIdx == 0);
+    const bool kbBaseTemporalFlag = (iTemporalIdx == 0);
 
     iSpatialIdx = 0;
     while (iSpatialIdx < iCountLayersNeedCs[kbBaseTemporalFlag]) {
       const int32_t kiActualSpatialIdx = iMapSpatialIdx[iSpatialIdx][kbBaseTemporalFlag];
-      const int32_t kiLumaWidth	= iLineSizeY[kiActualSpatialIdx][kbBaseTemporalFlag];
-      const int32_t kiChromaWidth	= iLineSizeUV[kiActualSpatialIdx][kbBaseTemporalFlag];
+      const int32_t kiLumaWidth        = iLineSizeY[kiActualSpatialIdx][kbBaseTemporalFlag];
+      const int32_t kiChromaWidth      = iLineSizeUV[kiActualSpatialIdx][kbBaseTemporalFlag];
 
       WelsGetEncBlockStrideOffset ((int32_t*)pBaseDec, kiLumaWidth, kiChromaWidth);
 
-      pPtr->pStrideDecBlockOffset[kiActualSpatialIdx][kbBaseTemporalFlag]	= (int32_t*)pBaseDec;
+      pPtr->pStrideDecBlockOffset[kiActualSpatialIdx][kbBaseTemporalFlag] = (int32_t*)pBaseDec;
       pBaseDec += kiUnit1Size;
 
       ++ iSpatialIdx;
@@ -1512,7 +1511,7 @@
   }
   iTemporalIdx = 0;
   while (iTemporalIdx < iCntTid) {
-    const bool kbBaseTemporalFlag	= (iTemporalIdx == 0);
+    const bool kbBaseTemporalFlag = (iTemporalIdx == 0);
 
     iSpatialIdx = 0;
     while (iSpatialIdx < kiNumSpatialLayers) {
@@ -1524,12 +1523,12 @@
       while (i < iCountLayersNeedCs[kbBaseTemporalFlag]) {
         const int32_t kiActualIdx = iMapSpatialIdx[i][kbBaseTemporalFlag];
         if (kiActualIdx == iSpatialIdx) {
-          bInMap	= true;
+          bInMap = true;
           break;
         }
         if (!bMatchFlag) {
-          iMatchIndex	= kiActualIdx;
-          bMatchFlag	= true;
+          iMatchIndex = kiActualIdx;
+          bMatchFlag = true;
         }
         ++ i;
       }
@@ -1540,7 +1539,7 @@
       }
 
       // not in spatial map and assign match one to it
-      pPtr->pStrideDecBlockOffset[iSpatialIdx][kbBaseTemporalFlag]	=
+      pPtr->pStrideDecBlockOffset[iSpatialIdx][kbBaseTemporalFlag] =
         pPtr->pStrideDecBlockOffset[iMatchIndex][kbBaseTemporalFlag];
 
       ++ iSpatialIdx;
@@ -1552,10 +1551,10 @@
   while (iSpatialIdx < kiNumSpatialLayers) {
     const int32_t kiAllocMbSize = sMbSizeMap[iSpatialIdx].iSizeAllMbAlignCache;
 
-    pPtr->pStrideEncBlockOffset[iSpatialIdx]	= (int32_t*)pBaseEnc;
+    pPtr->pStrideEncBlockOffset[iSpatialIdx]    = (int32_t*)pBaseEnc;
 
-    pPtr->pMbIndexX[iSpatialIdx]				= (int16_t*)pBaseMbX;
-    pPtr->pMbIndexY[iSpatialIdx]				= (int16_t*)pBaseMbY;
+    pPtr->pMbIndexX[iSpatialIdx]                = (int16_t*)pBaseMbX;
+    pPtr->pMbIndexY[iSpatialIdx]                = (int16_t*)pBaseMbY;
 
     pBaseEnc += kiUnit1Size;
     pBaseMbX += kiAllocMbSize;
@@ -1565,11 +1564,11 @@
   }
 
   while (iSpatialIdx < MAX_DEPENDENCY_LAYER) {
-    pPtr->pStrideDecBlockOffset[iSpatialIdx][0]	= NULL;
-    pPtr->pStrideDecBlockOffset[iSpatialIdx][1]	= NULL;
-    pPtr->pStrideEncBlockOffset[iSpatialIdx]		= NULL;
-    pPtr->pMbIndexX[iSpatialIdx]					= NULL;
-    pPtr->pMbIndexY[iSpatialIdx]					= NULL;
+    pPtr->pStrideDecBlockOffset[iSpatialIdx][0] = NULL;
+    pPtr->pStrideDecBlockOffset[iSpatialIdx][1] = NULL;
+    pPtr->pStrideEncBlockOffset[iSpatialIdx]    = NULL;
+    pPtr->pMbIndexX[iSpatialIdx]                = NULL;
+    pPtr->pMbIndexY[iSpatialIdx]                = NULL;
 
     ++ iSpatialIdx;
   }
@@ -1576,9 +1575,9 @@
 
   // initialize pMbIndexX and pMbIndexY tables as below
 
-  iMaxMbWidth	= sMbSizeMap[kiNumSpatialLayers - 1].iMbWidth;
-  iMaxMbWidth	= WELS_ALIGN (iMaxMbWidth, 4);	// 4 loops for int16_t required introduced as below
-  iRowSize		= iMaxMbWidth * sizeof (int16_t);
+  iMaxMbWidth   = sMbSizeMap[kiNumSpatialLayers - 1].iMbWidth;
+  iMaxMbWidth   = WELS_ALIGN (iMaxMbWidth, 4);  // 4 loops for int16_t required introduced as below
+  iRowSize      = iMaxMbWidth * sizeof (int16_t);
 
   pTmpRow = (int16_t*)pMa->WelsMalloc (iRowSize, "pTmpRow");
   if (NULL == pTmpRow) {
@@ -1590,10 +1589,10 @@
   i = 0;
   p = pRowX;
   while (i < iMaxMbWidth) {
-    *p		= i;
-    * (p + 1)	= 1 + i;
-    * (p + 2)	= 2 + i;
-    * (p + 3)	= 3 + i;
+    *p          = i;
+    * (p + 1)   = 1 + i;
+    * (p + 2)   = 2 + i;
+    * (p + 3)   = 3 + i;
 
     p += 4;
     i += 4;
@@ -1602,13 +1601,13 @@
   iSpatialIdx = kiNumSpatialLayers;
   while (--iSpatialIdx >= 0) {
     int16_t* pMbIndexX = pPtr->pMbIndexX[iSpatialIdx];
-    const int32_t kiMbWidth	= sMbSizeMap[iSpatialIdx].iMbWidth;
-    const int32_t kiMbHeight	= sMbSizeMap[iSpatialIdx].iCountMbNum / kiMbWidth;
-    const int32_t kiLineSize	= kiMbWidth * sizeof (int16_t);
+    const int32_t kiMbWidth     = sMbSizeMap[iSpatialIdx].iMbWidth;
+    const int32_t kiMbHeight    = sMbSizeMap[iSpatialIdx].iCountMbNum / kiMbWidth;
+    const int32_t kiLineSize    = kiMbWidth * sizeof (int16_t);
 
     i = 0;
     while (i < kiMbHeight) {
-      memcpy (pMbIndexX, pRowX, kiLineSize);	// confirmed_safe_unsafe_usage
+      memcpy (pMbIndexX, pRowX, kiLineSize); // confirmed_safe_unsafe_usage
 
       pMbIndexX += kiMbWidth;
       ++ i;
@@ -1616,7 +1615,7 @@
   }
 
   memset (pRowY, 0, iRowSize);
-  iMaxMbHeight	= sMbSizeMap[kiNumSpatialLayers - 1].iCountMbNum / sMbSizeMap[kiNumSpatialLayers - 1].iMbWidth;
+  iMaxMbHeight = sMbSizeMap[kiNumSpatialLayers - 1].iCountMbNum / sMbSizeMap[kiNumSpatialLayers - 1].iMbWidth;
   i = 0;
   for (;;) {
     ENFORCE_STACK_ALIGN_1D (int16_t, t, 4, 16)
@@ -1625,13 +1624,13 @@
     int16_t j = 0;
 
     for (iSpatialIdx = kiNumSpatialLayers - 1; iSpatialIdx >= 0; -- iSpatialIdx) {
-      const int32_t kiMbWidth	= sMbSizeMap[iSpatialIdx].iMbWidth;
+      const int32_t kiMbWidth  = sMbSizeMap[iSpatialIdx].iMbWidth;
       const int32_t kiMbHeight = sMbSizeMap[iSpatialIdx].iCountMbNum / kiMbWidth;
-      const int32_t kiLineSize	= kiMbWidth * sizeof (int16_t);
+      const int32_t kiLineSize = kiMbWidth * sizeof (int16_t);
       int16_t* pMbIndexY = pPtr->pMbIndexY[iSpatialIdx] + i * kiMbWidth;
 
       if (i < kiMbHeight) {
-        memcpy (pMbIndexY, pRowY, kiLineSize);	// confirmed_safe_unsafe_usage
+        memcpy (pMbIndexY, pRowY, kiLineSize); // confirmed_safe_unsafe_usage
       }
     }
     ++ i;
@@ -1709,22 +1708,22 @@
   iMvdRange = WELS_MIN (iMvdRange, iFixMvdRange);
 }
 int32_t RequestMemorySvc (sWelsEncCtx** ppCtx, SExistingParasetList* pExistingParasetList) {
-  SWelsSvcCodingParam* pParam	= (*ppCtx)->pSvcParam;
-  CMemoryAlign* pMa				= (*ppCtx)->pMemAlign;
-  SSpatialLayerConfig* pFinalSpatial	= NULL;
-  int32_t iCountBsLen			= 0;
-  int32_t iCountNals				= 0;
-  int32_t iMaxPicWidth			= 0;
-  int32_t iMaxPicHeight			= 0;
-  int32_t iCountMaxMbNum		= 0;
-  int32_t iIndex					= 0;
-  int32_t iCountLayers			= 0;
-  int32_t iResult					= 0;
-  float	fCompressRatioThr		= .5f;
-  const int32_t kiNumDependencyLayers	= pParam->iSpatialLayerNum;
-  int32_t iVclLayersBsSizeCount		= 0;
-  int32_t iNonVclLayersBsSizeCount	= 0;
-  int32_t iTargetSpatialBsSize			= 0;
+  SWelsSvcCodingParam* pParam           = (*ppCtx)->pSvcParam;
+  CMemoryAlign* pMa                     = (*ppCtx)->pMemAlign;
+  SSpatialLayerConfig* pFinalSpatial    = NULL;
+  int32_t iCountBsLen                   = 0;
+  int32_t iCountNals                    = 0;
+  int32_t iMaxPicWidth                  = 0;
+  int32_t iMaxPicHeight                 = 0;
+  int32_t iCountMaxMbNum                = 0;
+  int32_t iIndex                        = 0;
+  int32_t iCountLayers                  = 0;
+  int32_t iResult                       = 0;
+  float fCompressRatioThr               = .5f;
+  const int32_t kiNumDependencyLayers   = pParam->iSpatialLayerNum;
+  int32_t iVclLayersBsSizeCount         = 0;
+  int32_t iNonVclLayersBsSizeCount      = 0;
+  int32_t iTargetSpatialBsSize          = 0;
 
   if (kiNumDependencyLayers < 1 || kiNumDependencyLayers > MAX_DEPENDENCY_LAYER) {
     WelsLog (& (*ppCtx)->sLogCtx, WELS_LOG_WARNING, "RequestMemorySvc() failed due to invalid iNumDependencyLayers(%d)!",
@@ -1741,9 +1740,9 @@
     return 1;
   }
 
-  pFinalSpatial	= &pParam->sSpatialLayers[kiNumDependencyLayers - 1];
-  iMaxPicWidth	= pFinalSpatial->iVideoWidth;
-  iMaxPicHeight	= pFinalSpatial->iVideoHeight;
+  pFinalSpatial = &pParam->sSpatialLayers[kiNumDependencyLayers - 1];
+  iMaxPicWidth  = pFinalSpatial->iVideoWidth;
+  iMaxPicHeight = pFinalSpatial->iVideoHeight;
   iCountMaxMbNum = ((15 + iMaxPicWidth) >> 4) * ((15 + iMaxPicHeight) >> 4);
 
   iResult = AcquireLayersNals (ppCtx, pParam, &iCountLayers, &iCountNals);
@@ -1762,11 +1761,11 @@
   while (iIndex < pParam->iSpatialLayerNum) {
     SSpatialLayerConfig* fDlp = &pParam->sSpatialLayers[iIndex];
 
-    fCompressRatioThr	= COMPRESS_RATIO_THR;
+    fCompressRatioThr = COMPRESS_RATIO_THR;
 
     iLayerBsSize = WELS_ROUND (((3 * fDlp->iVideoWidth * fDlp->iVideoHeight) >> 1) * fCompressRatioThr) +
                    MAX_MACROBLOCK_SIZE_IN_BYTE_x2;
-    iLayerBsSize	= WELS_ALIGN (iLayerBsSize, 4);			// 4 bytes alinged
+    iLayerBsSize = WELS_ALIGN (iLayerBsSize, 4); // 4 bytes alinged
     iVclLayersBsSizeCount += iLayerBsSize;
     ++ iIndex;
   }
@@ -1773,7 +1772,7 @@
   iTargetSpatialBsSize = iLayerBsSize;
   iCountBsLen = iNonVclLayersBsSizeCount + iVclLayersBsSizeCount;
 
-  pParam->iNumRefFrame	= WELS_CLIP3 (pParam->iNumRefFrame, MIN_REF_PIC_COUNT,
+  pParam->iNumRefFrame = WELS_CLIP3 (pParam->iNumRefFrame, MIN_REF_PIC_COUNT,
                                       (pParam->iUsageType == CAMERA_VIDEO_REAL_TIME ? MAX_REFERENCE_PICTURE_COUNT_NUM_CAMERA :
                                        MAX_REFERENCE_PICTURE_COUNT_NUM_SCREEN));
 
@@ -1780,27 +1779,27 @@
   // Output
   (*ppCtx)->pOut = (SWelsEncoderOutput*)pMa->WelsMalloc (sizeof (SWelsEncoderOutput), "SWelsEncoderOutput");
   WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->pOut), FreeMemorySvc (ppCtx))
-  (*ppCtx)->pOut->pBsBuffer    = (uint8_t*)pMa->WelsMalloc (iCountBsLen, "pOut->pBsBuffer");
+  (*ppCtx)->pOut->pBsBuffer = (uint8_t*)pMa->WelsMalloc (iCountBsLen, "pOut->pBsBuffer");
   WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->pOut->pBsBuffer), FreeMemorySvc (ppCtx))
-  (*ppCtx)->pOut->uiSize      = iCountBsLen;
-  (*ppCtx)->pOut->sNalList		= (SWelsNalRaw*)pMa->WelsMalloc (iCountNals * sizeof (SWelsNalRaw), "pOut->sNalList");
+  (*ppCtx)->pOut->uiSize = iCountBsLen;
+  (*ppCtx)->pOut->sNalList = (SWelsNalRaw*)pMa->WelsMalloc (iCountNals * sizeof (SWelsNalRaw), "pOut->sNalList");
   WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->pOut->sNalList), FreeMemorySvc (ppCtx))
-  (*ppCtx)->pOut->pNalLen     = (int32_t*)pMa->WelsMallocz (iCountNals * sizeof (int32_t), "pOut->pNalLen");
+  (*ppCtx)->pOut->pNalLen = (int32_t*)pMa->WelsMallocz (iCountNals * sizeof (int32_t), "pOut->pNalLen");
   WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->pOut->pNalLen), FreeMemorySvc (ppCtx))
-  (*ppCtx)->pOut->iCountNals		= iCountNals;
-  (*ppCtx)->pOut->iNalIndex		= 0;
+  (*ppCtx)->pOut->iCountNals = iCountNals;
+  (*ppCtx)->pOut->iNalIndex = 0;
 
   if (pParam->iMultipleThreadIdc > 1) {
     const int32_t iTotalLength = iCountBsLen + (iTargetSpatialBsSize * ((*ppCtx)->iMaxSliceCount - 1));
-    (*ppCtx)->pFrameBs			= (uint8_t*)pMa->WelsMalloc (iTotalLength, "pFrameBs");
+    (*ppCtx)->pFrameBs = (uint8_t*)pMa->WelsMalloc (iTotalLength, "pFrameBs");
     WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->pFrameBs), FreeMemorySvc (ppCtx))
     (*ppCtx)->iFrameBsSize = iTotalLength;
   } else {
-    (*ppCtx)->pFrameBs			= (uint8_t*)pMa->WelsMalloc (iCountBsLen, "pFrameBs");
+    (*ppCtx)->pFrameBs = (uint8_t*)pMa->WelsMalloc (iCountBsLen, "pFrameBs");
     WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->pFrameBs), FreeMemorySvc (ppCtx))
-    (*ppCtx)->iFrameBsSize		= iCountBsLen;
+    (*ppCtx)->iFrameBsSize = iCountBsLen;
   }
-  (*ppCtx)->iPosBsBuffer		= 0;
+  (*ppCtx)->iPosBsBuffer = 0;
 
   // for pSlice bs buffers
   if (pParam->iMultipleThreadIdc > 1 && RequestMtResource (ppCtx, pParam, iCountBsLen, iTargetSpatialBsSize)) {
@@ -1825,12 +1824,12 @@
                                 (pMa->WelsMallocz (iCountMaxMbNum * 2 * MB_BLOCK8x8_NUM * sizeof (int8_t), "pRefIndexBlock4x4"));
   WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->pRefIndexBlock4x4), FreeMemorySvc (ppCtx))
 
-  (*ppCtx)->pSadCostMb	= static_cast<int32_t*>
+  (*ppCtx)->pSadCostMb = static_cast<int32_t*>
                           (pMa->WelsMallocz (iCountMaxMbNum * sizeof (int32_t), "pSadCostMb"));
   WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->pSadCostMb), FreeMemorySvc (ppCtx))
 
   (*ppCtx)->bEncCurFrmAsIdrFlag = true;  // make sure first frame is IDR
-  (*ppCtx)->iGlobalQp				= 26;	// global qp in default
+  (*ppCtx)->iGlobalQp = 26;   // global qp in default
 
   (*ppCtx)->pLtr = (SLTRState*)pMa->WelsMalloc (kiNumDependencyLayers * sizeof (SLTRState), "SLTRState");
   WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->pLtr), FreeMemorySvc (ppCtx))
@@ -1839,14 +1838,14 @@
     ResetLtrState (& (*ppCtx)->pLtr[i]);
   }
 
-  (*ppCtx)->ppRefPicListExt	= (SRefList**)pMa->WelsMalloc (kiNumDependencyLayers * sizeof (SRefList*), "ppRefPicListExt");
+  (*ppCtx)->ppRefPicListExt = (SRefList**)pMa->WelsMalloc (kiNumDependencyLayers * sizeof (SRefList*), "ppRefPicListExt");
   WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->ppRefPicListExt), FreeMemorySvc (ppCtx))
 
   // pSlice context list
-  (*ppCtx)->pSliceCtxList	= (SSliceCtx*)pMa->WelsMallocz (kiNumDependencyLayers * sizeof (SSliceCtx), "pSliceCtxList");
+  (*ppCtx)->pSliceCtxList = (SSliceCtx*)pMa->WelsMallocz (kiNumDependencyLayers * sizeof (SSliceCtx), "pSliceCtxList");
   WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->pSliceCtxList), FreeMemorySvc (ppCtx))
 
-  (*ppCtx)->ppDqLayerList	= (SDqLayer**)pMa->WelsMalloc (kiNumDependencyLayers * sizeof (SDqLayer*), "ppDqLayerList");
+  (*ppCtx)->ppDqLayerList = (SDqLayer**)pMa->WelsMalloc (kiNumDependencyLayers * sizeof (SDqLayer*), "ppDqLayerList");
   WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->ppDqLayerList), FreeMemorySvc (ppCtx))
 
   // stride tables
@@ -1864,7 +1863,7 @@
 
   //pVaa memory allocation
   if (pParam->iUsageType == SCREEN_CONTENT_REAL_TIME) {
-    (*ppCtx)->pVaa	= (SVAAFrameInfoExt*)pMa->WelsMallocz (sizeof (SVAAFrameInfoExt), "pVaa");
+    (*ppCtx)->pVaa = (SVAAFrameInfoExt*)pMa->WelsMallocz (sizeof (SVAAFrameInfoExt), "pVaa");
     WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->pVaa), FreeMemorySvc (ppCtx))
     if (RequestMemoryVaaScreen ((*ppCtx)->pVaa, pMa, (*ppCtx)->pSvcParam->iMaxNumRefFrame, iCountMaxMbNum << 2)) {
       WelsLog (& (*ppCtx)->sLogCtx, WELS_LOG_WARNING, "RequestMemorySvc(), RequestMemoryVaaScreen failed!");
@@ -1872,7 +1871,7 @@
       return 1;
     }
   } else {
-    (*ppCtx)->pVaa	= (SVAAFrameInfo*)pMa->WelsMallocz (sizeof (SVAAFrameInfo), "pVaa");
+    (*ppCtx)->pVaa = (SVAAFrameInfo*)pMa->WelsMallocz (sizeof (SVAAFrameInfo), "pVaa");
     WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->pVaa), FreeMemorySvc (ppCtx))
   }
 
@@ -1929,9 +1928,9 @@
 
   int32_t iMvdRange = 0;
   GetMvMvdRange (pParam, (*ppCtx)->iMvRange, iMvdRange);
-  const uint32_t kuiMvdInterTableSize	= (iMvdRange << 2); //intepel*4=qpel
-  const uint32_t kuiMvdInterTableStride	=  1 + (kuiMvdInterTableSize << 1);//qpel_mv_range*2=(+/-);
-  const uint32_t kuiMvdCacheAlignedSize	= kuiMvdInterTableStride * sizeof (uint16_t);
+  const uint32_t kuiMvdInterTableSize   = (iMvdRange << 2); //intepel*4=qpel
+  const uint32_t kuiMvdInterTableStride =  1 + (kuiMvdInterTableSize << 1);//qpel_mv_range*2=(+/-);
+  const uint32_t kuiMvdCacheAlignedSize = kuiMvdInterTableStride * sizeof (uint16_t);
 
   (*ppCtx)->iMvdCostTableSize = kuiMvdInterTableSize;
   (*ppCtx)->iMvdCostTableStride = kuiMvdInterTableStride;
@@ -1940,12 +1939,12 @@
   MvdCostInit ((*ppCtx)->pMvdCostTable, kuiMvdInterTableStride);  //should put to a better place?
 
   if ((*ppCtx)->ppRefPicListExt[0] != NULL && (*ppCtx)->ppRefPicListExt[0]->pRef[0] != NULL)
-    (*ppCtx)->pDecPic				= (*ppCtx)->ppRefPicListExt[0]->pRef[0];
+    (*ppCtx)->pDecPic = (*ppCtx)->ppRefPicListExt[0]->pRef[0];
   else
-    (*ppCtx)->pDecPic				= NULL;	// error here
+    (*ppCtx)->pDecPic = NULL; // error here
 
-  (*ppCtx)->pSps				= & (*ppCtx)->pSpsArray[0];
-  (*ppCtx)->pPps				= & (*ppCtx)->pPPSArray[0];
+  (*ppCtx)->pSps = & (*ppCtx)->pSpsArray[0];
+  (*ppCtx)->pPps = & (*ppCtx)->pPPSArray[0];
 
   return 0;
 }
@@ -1958,10 +1957,10 @@
  */
 void FreeMemorySvc (sWelsEncCtx** ppCtx) {
   if (NULL != *ppCtx) {
-    sWelsEncCtx* pCtx	= *ppCtx;
-    CMemoryAlign* pMa			= pCtx->pMemAlign;
+    sWelsEncCtx* pCtx = *ppCtx;
+    CMemoryAlign* pMa = pCtx->pMemAlign;
     SWelsSvcCodingParam* pParam = pCtx->pSvcParam;
-    int32_t ilayer				= 0;
+    int32_t ilayer = 0;
 
     // SStrideTables
     if (NULL != pCtx->pStrideTab) {
@@ -2035,12 +2034,12 @@
 
     if (NULL != pCtx->pMvUnitBlock4x4) {
       pMa->WelsFree (pCtx->pMvUnitBlock4x4, "pMvUnitBlock4x4");
-      pCtx->pMvUnitBlock4x4	= NULL;
+      pCtx->pMvUnitBlock4x4 = NULL;
     }
 
     if (NULL != pCtx->pRefIndexBlock4x4) {
       pMa->WelsFree (pCtx->pRefIndexBlock4x4, "pRefIndexBlock4x4");
-      pCtx->pRefIndexBlock4x4	= NULL;
+      pCtx->pRefIndexBlock4x4 = NULL;
     }
 
     if (NULL != pCtx->ppMbListD) {
@@ -2067,7 +2066,7 @@
     ilayer = 0;
     if (NULL != pCtx->ppDqLayerList && pParam != NULL) {
       while (ilayer < pParam->iSpatialLayerNum) {
-        SDqLayer* pDq	= pCtx->ppDqLayerList[ilayer];
+        SDqLayer* pDq = pCtx->ppDqLayerList[ilayer];
         SSpatialLayerConfig* pDlp = &pCtx->pSvcParam->sSpatialLayers[ilayer];
 
         const bool kbIsDynamicSlicing = (SM_DYN_SLICE == pDlp->sSliceCfg.uiSliceMode);
@@ -2094,9 +2093,9 @@
           }
           if (kbIsDynamicSlicing) {
             pMa->WelsFree (pDq->pNumSliceCodedOfPartition, "pNumSliceCodedOfPartition");
-            pDq->pNumSliceCodedOfPartition	= NULL;
+            pDq->pNumSliceCodedOfPartition = NULL;
             pMa->WelsFree (pDq->pLastCodedMbIdxOfPartition, "pLastCodedMbIdxOfPartition");
-            pDq->pLastCodedMbIdxOfPartition	= NULL;
+            pDq->pLastCodedMbIdxOfPartition = NULL;
             pMa->WelsFree (pDq->pLastMbIdxOfPartition, "pLastMbIdxOfPartition");
             pDq->pLastMbIdxOfPartition = NULL;
           }
@@ -2120,7 +2119,7 @@
     if (NULL != pCtx->ppRefPicListExt && pParam != NULL) {
       ilayer = 0;
       while (ilayer < pParam->iSpatialLayerNum) {
-        SRefList* pRefList		= pCtx->ppRefPicListExt[ilayer];
+        SRefList* pRefList = pCtx->ppRefPicListExt[ilayer];
         if (NULL != pRefList) {
           int32_t iRef = 0;
           do {
@@ -2144,7 +2143,7 @@
     if (NULL != pCtx->pSliceCtxList && pParam != NULL) {
       ilayer = 0;
       while (ilayer < pParam->iSpatialLayerNum) {
-        SSliceCtx* pSliceCtx	= &pCtx->pSliceCtxList[ilayer];
+        SSliceCtx* pSliceCtx = &pCtx->pSliceCtxList[ilayer];
         if (NULL != pSliceCtx)
           UninitSlicePEncCtx (pSliceCtx, pMa);
         ++ ilayer;
@@ -2164,21 +2163,21 @@
       }
 
       pMa->WelsFree (pCtx->pVaa->pVaaBackgroundMbFlag, "pVaa->pVaaBackgroundMbFlag");
-      pCtx->pVaa->pVaaBackgroundMbFlag	= NULL;
+      pCtx->pVaa->pVaaBackgroundMbFlag = NULL;
       pMa->WelsFree (pCtx->pVaa->sVaaCalcInfo.pSad8x8, "pVaa->sVaaCalcInfo.sad8x8");
-      pCtx->pVaa->sVaaCalcInfo.pSad8x8		= NULL;
+      pCtx->pVaa->sVaaCalcInfo.pSad8x8 = NULL;
       pMa->WelsFree (pCtx->pVaa->sVaaCalcInfo.pSsd16x16, "pVaa->sVaaCalcInfo.pSsd16x16");
-      pCtx->pVaa->sVaaCalcInfo.pSsd16x16	= NULL;
+      pCtx->pVaa->sVaaCalcInfo.pSsd16x16 = NULL;
       pMa->WelsFree (pCtx->pVaa->sVaaCalcInfo.pSum16x16, "pVaa->sVaaCalcInfo.pSum16x16");
-      pCtx->pVaa->sVaaCalcInfo.pSum16x16	= NULL;
+      pCtx->pVaa->sVaaCalcInfo.pSum16x16 = NULL;
       pMa->WelsFree (pCtx->pVaa->sVaaCalcInfo.pSumOfSquare16x16, "pVaa->sVaaCalcInfo.pSumOfSquare16x16");
-      pCtx->pVaa->sVaaCalcInfo.pSumOfSquare16x16		= NULL;
+      pCtx->pVaa->sVaaCalcInfo.pSumOfSquare16x16 = NULL;
 
       if (pCtx->pSvcParam->bEnableBackgroundDetection) { //BGD control
         pMa->WelsFree (pCtx->pVaa->sVaaCalcInfo.pSumOfDiff8x8, "pVaa->sVaaCalcInfo.pSumOfDiff8x8");
-        pCtx->pVaa->sVaaCalcInfo.pSumOfDiff8x8	= NULL;
+        pCtx->pVaa->sVaaCalcInfo.pSumOfDiff8x8 = NULL;
         pMa->WelsFree (pCtx->pVaa->sVaaCalcInfo.pMad8x8, "pVaa->sVaaCalcInfo.pMad8x8");
-        pCtx->pVaa->sVaaCalcInfo.pMad8x8	= NULL;
+        pCtx->pVaa->sVaaCalcInfo.pMad8x8 = NULL;
       }
       if (pCtx->pSvcParam->iUsageType == SCREEN_CONTENT_REAL_TIME)
         ReleaseMemoryVaaScreen (pCtx->pVaa, pMa, pCtx->pSvcParam->iMaxNumRefFrame);
@@ -2206,7 +2205,7 @@
     }
 
 #if defined(MEMORY_MONITOR)
-    assert (pMa->WelsGetMemoryUsage() == 0);	// ensure all memory free well
+    assert (pMa->WelsGetMemoryUsage() == 0); // ensure all memory free well
 #endif//MEMORY_MONITOR
 
     if ((*ppCtx)->pMemAlign != NULL) {
@@ -2227,22 +2226,22 @@
   uint16_t iMaxSliceCount = 0;
 
   do {
-    SSpatialLayerConfig* pDlp				= &pCodingParam->sSpatialLayers[iSpatialIdx];
-    SSliceConfig* pMso			= &pDlp->sSliceCfg;
-    SSliceArgument* pSlcArg			= &pMso->sSliceArgument;
-    const int32_t kiMbWidth			= (pDlp->iVideoWidth + 15) >> 4;
-    const int32_t kiMbHeight			= (pDlp->iVideoHeight + 15) >> 4;
-    const int32_t kiMbNumInFrame	= kiMbWidth * kiMbHeight;
-    int32_t iSliceNum				= (SM_AUTO_SLICE == pMso->uiSliceMode) ? kiCpuCores : pSlcArg->uiSliceNum;
+    SSpatialLayerConfig* pDlp           = &pCodingParam->sSpatialLayers[iSpatialIdx];
+    SSliceConfig* pMso                  = &pDlp->sSliceCfg;
+    SSliceArgument* pSlcArg             = &pMso->sSliceArgument;
+    const int32_t kiMbWidth             = (pDlp->iVideoWidth + 15) >> 4;
+    const int32_t kiMbHeight            = (pDlp->iVideoHeight + 15) >> 4;
+    const int32_t kiMbNumInFrame        = kiMbWidth * kiMbHeight;
+    int32_t iSliceNum                   = (SM_AUTO_SLICE == pMso->uiSliceMode) ? kiCpuCores : pSlcArg->uiSliceNum;
     // NOTE: Per design, in case MT/DYNAMIC_SLICE_ASSIGN enabled, for SM_FIXEDSLCNUM_SLICE mode,
     // uiSliceNum of current spatial layer settings equals to uiCpuCores number; SM_DYN_SLICE mode,
     // uiSliceNum intials as uiCpuCores also, stay tuned dynamically slicing in future
-    pSlcArg->uiSliceNum	= iSliceNum;	// used fixed one
+    pSlcArg->uiSliceNum = iSliceNum;    // used fixed one
 
     switch (pMso->uiSliceMode) {
     case SM_DYN_SLICE:
-      iMaxSliceCount	= AVERSLICENUM_CONSTRAINT;
-      break;	// go through for SM_DYN_SLICE?
+      iMaxSliceCount = AVERSLICENUM_CONSTRAINT;
+      break; // go through for SM_DYN_SLICE?
     case SM_FIXEDSLCNUM_SLICE:
       if (iSliceNum > iMaxSliceCount)
         iMaxSliceCount = iSliceNum;
@@ -2275,10 +2274,10 @@
         WelsLog (pLogCtx, WELS_LOG_DEBUG,
                  "InitSliceSettings(), uiSliceNum(%d) you set for SM_AUTO_SLICE, now turn to SM_SINGLE_SLICE type!",
                  pDlp->sSliceCfg.sSliceArgument.uiSliceNum);
-        pDlp->sSliceCfg.uiSliceMode	= SM_SINGLE_SLICE;
+        pDlp->sSliceCfg.uiSliceMode = SM_SINGLE_SLICE;
         break;
       }
-      if (pCodingParam->iRCMode != RC_OFF_MODE) {	// multiple slices verify with gom
+      if (pCodingParam->iRCMode != RC_OFF_MODE) { // multiple slices verify with gom
         //check uiSliceNum and set uiSliceMbNum with current uiSliceNum
         if (!GomValidCheckSliceNum (kiMbWidth, kiMbHeight, &pDlp->sSliceCfg.sSliceArgument.uiSliceNum)) {
           WelsLog (pLogCtx, WELS_LOG_WARNING,
@@ -2293,18 +2292,18 @@
           return ENC_RETURN_INVALIDINPUT;
         }
       } else if (!CheckFixedSliceNumMultiSliceSetting (kiMbNumInFrame,
-                 &pDlp->sSliceCfg.sSliceArgument)) {	// verify interleave mode settings
+                 &pDlp->sSliceCfg.sSliceArgument)) {    // verify interleave mode settings
         //check uiSliceMbNum with current uiSliceNum
         WelsLog (pLogCtx, WELS_LOG_ERROR,
                  "InitSliceSettings(), invalid uiSliceMbNum (%d) settings!,now turn to SM_SINGLE_SLICE type",
                  pDlp->sSliceCfg.sSliceArgument.uiSliceMbNum[0]);
-        pDlp->sSliceCfg.uiSliceMode	= SM_SINGLE_SLICE;
-        pDlp->sSliceCfg.sSliceArgument.uiSliceNum	= 1;
+        pDlp->sSliceCfg.uiSliceMode = SM_SINGLE_SLICE;
+        pDlp->sSliceCfg.sSliceArgument.uiSliceNum = 1;
       }
       // considering the coding efficient and performance, iCountMbNum constraint by MIN_NUM_MB_PER_SLICE condition of multi-pSlice mode settting
       if (kiMbNumInFrame <= MIN_NUM_MB_PER_SLICE) {
-        pDlp->sSliceCfg.uiSliceMode	= SM_SINGLE_SLICE;
-        pDlp->sSliceCfg.sSliceArgument.uiSliceNum	= 1;
+        pDlp->sSliceCfg.uiSliceMode = SM_SINGLE_SLICE;
+        pDlp->sSliceCfg.sSliceArgument.uiSliceNum = 1;
         break;
       }
       break;
@@ -2315,13 +2314,13 @@
     ++ iSpatialIdx;
   } while (iSpatialIdx < iSpatialNum);
 
-  pCodingParam->iCountThreadsNum				= WELS_MIN (kiCpuCores, iMaxSliceCount);
-  pCodingParam->iMultipleThreadIdc	= pCodingParam->iCountThreadsNum;
+  pCodingParam->iCountThreadsNum = WELS_MIN (kiCpuCores, iMaxSliceCount);
+  pCodingParam->iMultipleThreadIdc = pCodingParam->iCountThreadsNum;
   if (pCodingParam->iLoopFilterDisableIdc == 0
       && pCodingParam->iMultipleThreadIdc != 1) // Loop filter requested to be enabled, with threading enabled
     pCodingParam->iLoopFilterDisableIdc =
       2; // Disable loop filter on slice boundaries since that's not allowed with multithreading
-  *pMaxSliceCount					= iMaxSliceCount;
+  *pMaxSliceCount = iMaxSliceCount;
 
   return ENC_RETURN_SUCCESS;
 }
@@ -2379,9 +2378,8 @@
 int32_t GetMultipleThreadIdc (SLogContext* pLogCtx, SWelsSvcCodingParam* pCodingParam, int16_t& iSliceNum,
                               int32_t& iCacheLineSize, uint32_t& uiCpuFeatureFlags) {
   // for cpu features detection, Only detect once??
-  int32_t uiCpuCores				=
-    0;	// number of logic processors on physical processor package, zero logic processors means HTT not supported
-  uiCpuFeatureFlags	= WelsCPUFeatureDetect (&uiCpuCores);	// detect cpu capacity features
+  int32_t uiCpuCores = 0; // number of logic processors on physical processor package, zero logic processors means HTT not supported
+  uiCpuFeatureFlags = WelsCPUFeatureDetect (&uiCpuCores); // detect cpu capacity features
 
 #ifdef X86_ASM
   if (uiCpuFeatureFlags & WELS_CPU_CACHELINE_128)
@@ -2389,12 +2387,12 @@
   else if (uiCpuFeatureFlags & WELS_CPU_CACHELINE_64)
     iCacheLineSize = 64;
   else if (uiCpuFeatureFlags & WELS_CPU_CACHELINE_32)
-    iCacheLineSize	= 32;
+    iCacheLineSize = 32;
   else if (uiCpuFeatureFlags & WELS_CPU_CACHELINE_16)
-    iCacheLineSize	= 16;
+    iCacheLineSize = 16;
   OutputCpuFeaturesLog (pLogCtx, uiCpuFeatureFlags, uiCpuCores, iCacheLineSize);
 #else
-  iCacheLineSize	= 16;	// 16 bytes aligned in default
+  iCacheLineSize = 16; // 16 bytes aligned in default
 #endif//X86_ASM
 
 #if defined(DYNAMIC_DETECT_CPU_CORES)
@@ -2402,18 +2400,18 @@
     uiCpuCores = pCodingParam->iMultipleThreadIdc;
   else {
     if (uiCpuCores ==
-        0)	// cpuid not supported or doesn't expose the number of cores, use high level system API as followed to detect number of pysical/logic processor
+        0) // cpuid not supported or doesn't expose the number of cores, use high level system API as followed to detect number of pysical/logic processor
       uiCpuCores = DynamicDetectCpuCores();
     // So far so many cpu cores up to MAX_THREADS_NUM mean for server platforms,
     // for client application here it is constrained by maximal to MAX_THREADS_NUM
-    if (uiCpuCores > MAX_THREADS_NUM)	// MAX_THREADS_NUM
-      uiCpuCores	= MAX_THREADS_NUM;	// MAX_THREADS_NUM
-    else if (uiCpuCores < 1)	// just for safe
-      uiCpuCores	= 1;
+    if (uiCpuCores > MAX_THREADS_NUM) // MAX_THREADS_NUM
+      uiCpuCores = MAX_THREADS_NUM; // MAX_THREADS_NUM
+    else if (uiCpuCores < 1) // just for safe
+      uiCpuCores = 1;
   }
 #endif//DYNAMIC_DETECT_CPU_CORES
 
-  uiCpuCores	= WELS_CLIP3 (uiCpuCores, 1, MAX_THREADS_NUM);
+  uiCpuCores = WELS_CLIP3 (uiCpuCores, 1, MAX_THREADS_NUM);
 
   if (InitSliceSettings (pLogCtx, pCodingParam, uiCpuCores, &iSliceNum)) {
     WelsLog (pLogCtx, WELS_LOG_ERROR, "GetMultipleThreadIdc(), InitSliceSettings failed.");
@@ -2430,10 +2428,10 @@
  */
 int32_t WelsInitEncoderExt (sWelsEncCtx** ppCtx, SWelsSvcCodingParam* pCodingParam, SLogContext* pLogCtx,
                             SExistingParasetList* pExistingParasetList) {
-  sWelsEncCtx* pCtx		= NULL;
-  int32_t	iRet					= 0;
-  int16_t iSliceNum				= 1;	// number of slices used
-  int32_t iCacheLineSize			= 16;	// on chip cache line size in byte
+  sWelsEncCtx* pCtx      = NULL;
+  int32_t iRet           = 0;
+  int16_t iSliceNum      = 1;    // number of slices used
+  int32_t iCacheLineSize = 16;   // on chip cache line size in byte
   uint32_t uiCpuFeatureFlags = 0;
   if (NULL == ppCtx || NULL == pCodingParam) {
     WelsLog (pLogCtx, WELS_LOG_ERROR, "WelsInitEncoderExt(), NULL == ppCtx(0x%p) or NULL == pCodingParam(0x%p).",
@@ -2441,12 +2439,12 @@
     return 1;
   }
 
-  iRet	=	ParamValidationExt (pLogCtx, pCodingParam);
+  iRet = ParamValidationExt (pLogCtx, pCodingParam);
   if (iRet != 0) {
     WelsLog (pLogCtx, WELS_LOG_ERROR, "WelsInitEncoderExt(), ParamValidationExt failed return %d.", iRet);
     return iRet;
   }
-  iRet	=	pCodingParam->DetermineTemporalSettings();
+  iRet = pCodingParam->DetermineTemporalSettings();
   if (iRet != ENC_RETURN_SUCCESS) {
     WelsLog (pLogCtx, WELS_LOG_ERROR,
              "WelsInitEncoderExt(), DetermineTemporalSettings failed return %d (check in/out frame rate and temporal layer setting! -- in/out = 2^x, x <= temppral_layer_num)",
@@ -2460,9 +2458,9 @@
   }
 
 
-  *ppCtx	= NULL;
+  *ppCtx = NULL;
 
-  pCtx	= static_cast<sWelsEncCtx*> (malloc (sizeof (sWelsEncCtx)));
+  pCtx = static_cast<sWelsEncCtx*> (malloc (sizeof (sWelsEncCtx)));
 
   WELS_VERIFY_RETURN_IF (1, (NULL == pCtx))
   memset (pCtx, 0, sizeof (sWelsEncCtx));
@@ -2477,7 +2475,7 @@
     FreeMemorySvc (&pCtx);
     return iRet;
   }
-  memcpy (pCtx->pSvcParam, pCodingParam, sizeof (SWelsSvcCodingParam));	// confirmed_safe_unsafe_usage
+  memcpy (pCtx->pSvcParam, pCodingParam, sizeof (SWelsSvcCodingParam)); // confirmed_safe_unsafe_usage
 
   pCtx->pFuncList = (SWelsFuncPtrList*)pCtx->pMemAlign->WelsMalloc (sizeof (SWelsFuncPtrList), "SWelsFuncPtrList");
   if (NULL == pCtx->pFuncList) {
@@ -2486,8 +2484,8 @@
   }
   InitFunctionPointers (pCtx, pCtx->pSvcParam, uiCpuFeatureFlags);
 
-  pCtx->iActiveThreadsNum	= pCodingParam->iCountThreadsNum;
-  pCtx->iMaxSliceCount	= iSliceNum;
+  pCtx->iActiveThreadsNum = pCodingParam->iCountThreadsNum;
+  pCtx->iMaxSliceCount = iSliceNum;
   iRet = RequestMemorySvc (&pCtx, pExistingParasetList);
   if (iRet != 0) {
     WelsLog (pLogCtx, WELS_LOG_ERROR, "WelsInitEncoderExt(), RequestMemorySvc failed return %d.", iRet);
@@ -2529,7 +2527,7 @@
 
   pCtx->iStatisticsLogInterval = STATISTICS_LOG_INTERVAL_MS;
 
-  *ppCtx	= pCtx;
+  *ppCtx = pCtx;
 
   WelsLog (pLogCtx, WELS_LOG_DEBUG, "WelsInitEncoderExt(), pCtx= 0x%p.", (void*)pCtx);
 
@@ -2554,7 +2552,7 @@
       if (iCount > 0) {
         int32_t iCountNumIMb = pCtx->sStatData[i][j].sSliceData.iMbCount[I_SLICE][Intra4x4] +
                                pCtx->sStatData[i][j].sSliceData.iMbCount[I_SLICE][Intra16x16] + pCtx->sStatData[i][j].sSliceData.iMbCount[I_SLICE][7];
-        int32_t iCountNumPMb	=	pCtx->sStatData[i][j].sSliceData.iMbCount[P_SLICE][Intra4x4] +
+        int32_t iCountNumPMb =  pCtx->sStatData[i][j].sSliceData.iMbCount[P_SLICE][Intra4x4] +
                                 pCtx->sStatData[i][j].sSliceData.iMbCount[P_SLICE][Intra16x16] +
                                 pCtx->sStatData[i][j].sSliceData.iMbCount[P_SLICE][7] +
                                 pCtx->sStatData[i][j].sSliceData.iMbCount[P_SLICE][Inter16x16] +
@@ -2563,7 +2561,7 @@
                                 pCtx->sStatData[i][j].sSliceData.iMbCount[P_SLICE][Inter8x8] +
                                 pCtx->sStatData[i][j].sSliceData.iMbCount[P_SLICE][10] +
                                 pCtx->sStatData[i][j].sSliceData.iMbCount[P_SLICE][PSkip];
-        int32_t count_p_mbL0 = 	pCtx->sStatData[i][j].sSliceData.iMbCount[P_SLICE][Inter16x16] +
+        int32_t count_p_mbL0 =  pCtx->sStatData[i][j].sSliceData.iMbCount[P_SLICE][Inter16x16] +
                                 pCtx->sStatData[i][j].sSliceData.iMbCount[P_SLICE][Inter16x8] +
                                 pCtx->sStatData[i][j].sSliceData.iMbCount[P_SLICE][Inter8x16] +
                                 pCtx->sStatData[i][j].sSliceData.iMbCount[P_SLICE][Inter8x8] +
@@ -2641,7 +2639,7 @@
       if ((*ppCtx)->pSliceThreading->pThreadHandles[iThreadIdx]) {
         WelsEventSignal (& (*ppCtx)->pSliceThreading->pExitEncodeEvent[iThreadIdx]);
         WelsEventSignal (& (*ppCtx)->pSliceThreading->pThreadMasterEvent[iThreadIdx]);
-        res = WelsThreadJoin ((*ppCtx)->pSliceThreading->pThreadHandles[iThreadIdx]);	// waiting thread exit
+        res = WelsThreadJoin ((*ppCtx)->pSliceThreading->pThreadHandles[iThreadIdx]); // waiting thread exit
         WelsLog (& (*ppCtx)->sLogCtx, WELS_LOG_INFO, "WelsUninitEncoderExt(), pthread_join(pThreadHandles%d) return %d..",
                  iThreadIdx,
                  res);
@@ -2664,22 +2662,22 @@
  * \brief   get temporal level due to configuration and coding context
  */
 int32_t GetTemporalLevel (SSpatialLayerInternal* fDlp, const int32_t kiFrameNum, const int32_t kiGopSize) {
-  const int32_t kiCodingIdx	= kiFrameNum & (kiGopSize - 1);
+  const int32_t kiCodingIdx = kiFrameNum & (kiGopSize - 1);
 
   return fDlp->uiCodingIdx2TemporalId[kiCodingIdx];
 }
 
 void DynslcUpdateMbNeighbourInfoListForAllSlices (SSliceCtx* pSliceCtx, SMB* pMbList) {
-  const int32_t kiMbWidth			= pSliceCtx->iMbWidth;
-  const int32_t kiEndMbInSlice	= pSliceCtx->iMbNumInFrame - 1;
-  int32_t  iIdx					= 0;
+  const int32_t kiMbWidth       = pSliceCtx->iMbWidth;
+  const int32_t kiEndMbInSlice  = pSliceCtx->iMbNumInFrame - 1;
+  int32_t  iIdx                 = 0;
 
   do {
     SMB* pMb = &pMbList[iIdx];
-    uint32_t uiNeighborAvailFlag	= 0;
-    const int32_t kiMbXY				= pMb->iMbXY;
-    const int32_t kiMbX				= pMb->iMbX;
-    const int32_t kiMbY				= pMb->iMbY;
+    uint32_t uiNeighborAvailFlag        = 0;
+    const int32_t kiMbXY                = pMb->iMbXY;
+    const int32_t kiMbX                 = pMb->iMbX;
+    const int32_t kiMbY                 = pMb->iMbY;
     bool     bLeft;
     bool     bTop;
     bool     bLeftTop;
@@ -2688,7 +2686,7 @@
     int32_t   iLeftXY, iTopXY, iLeftTopXY, iRightTopXY;
 
     uiSliceIdc = WelsMbToSliceIdc (pSliceCtx, kiMbXY);
-    pMb->uiSliceIdc	= uiSliceIdc;
+    pMb->uiSliceIdc = uiSliceIdc;
     iLeftXY = kiMbXY - 1;
     iTopXY = kiMbXY - kiMbWidth;
     iLeftTopXY = iTopXY - 1;
@@ -2711,7 +2709,7 @@
     if (bRightTop) {
       uiNeighborAvailFlag |= TOPRIGHT_MB_POS;
     }
-    pMb->uiNeighborAvail	= (uint8_t)uiNeighborAvailFlag;
+    pMb->uiNeighborAvail = (uint8_t)uiNeighborAvailFlag;
 
     ++ iIdx;
   } while (iIdx <= kiEndMbInSlice);
@@ -2721,9 +2719,9 @@
  * TUNE back if number of picture partition decision algorithm based on past if available
  */
 int32_t PicPartitionNumDecision (sWelsEncCtx* pCtx) {
-  int32_t iPartitionNum	= 1;
+  int32_t iPartitionNum = 1;
   if (pCtx->pSvcParam->iMultipleThreadIdc > 1) {
-    iPartitionNum	= pCtx->pSvcParam->iCountThreadsNum;
+    iPartitionNum = pCtx->pSvcParam->iCountThreadsNum;
   }
   return iPartitionNum;
 }
@@ -2730,8 +2728,8 @@
 
 void WelsInitCurrentQBLayerMltslc (sWelsEncCtx* pCtx) {
   //pData init
-  SDqLayer*		pCurDq				= pCtx->pCurDqLayer;
-  SSliceCtx*	pSliceCtx			= (pCurDq->pSliceEncCtx);
+  SDqLayer*  pCurDq    = pCtx->pCurDqLayer;
+  SSliceCtx* pSliceCtx = (pCurDq->pSliceEncCtx);
 
   //mb_neighbor
   DynslcUpdateMbNeighbourInfoListForAllSlices (pSliceCtx, pCurDq->sMbDataP);
@@ -2738,32 +2736,32 @@
 }
 
 void UpdateSlicepEncCtxWithPartition (SSliceCtx* pSliceCtx, int32_t iPartitionNum) {
-  const int32_t kiMbNumInFrame	= pSliceCtx->iMbNumInFrame;
-  int32_t iCountMbNumPerPartition	= kiMbNumInFrame;
-  int32_t iAssignableMbLeft		= kiMbNumInFrame;
-  int32_t iFirstMbIdx			= 0;
+  const int32_t kiMbNumInFrame          = pSliceCtx->iMbNumInFrame;
+  int32_t iCountMbNumPerPartition       = kiMbNumInFrame;
+  int32_t iAssignableMbLeft             = kiMbNumInFrame;
+  int32_t iFirstMbIdx                   = 0;
   int32_t i/*, j*/;
 
   if (iPartitionNum <= 0)
-    iPartitionNum	= 1;
+    iPartitionNum = 1;
   else if (iPartitionNum > AVERSLICENUM_CONSTRAINT)
-    iPartitionNum	= AVERSLICENUM_CONSTRAINT;	// AVERSLICENUM_CONSTRAINT might be variable, however not fixed by MACRO
-  iCountMbNumPerPartition	/= iPartitionNum;
-  pSliceCtx->iSliceNumInFrame	= iPartitionNum;
+    iPartitionNum = AVERSLICENUM_CONSTRAINT; // AVERSLICENUM_CONSTRAINT might be variable, however not fixed by MACRO
+  iCountMbNumPerPartition /= iPartitionNum;
+  pSliceCtx->iSliceNumInFrame = iPartitionNum;
   i = 0;
   while (i < iPartitionNum) {
     if (i + 1 == iPartitionNum) {
-      pSliceCtx->pCountMbNumInSlice[i]	= iAssignableMbLeft;
+      pSliceCtx->pCountMbNumInSlice[i] = iAssignableMbLeft;
     } else {
-      pSliceCtx->pCountMbNumInSlice[i]	= iCountMbNumPerPartition;
+      pSliceCtx->pCountMbNumInSlice[i] = iCountMbNumPerPartition;
     }
-    pSliceCtx->pFirstMbInSlice[i]	=	iFirstMbIdx;
+    pSliceCtx->pFirstMbInSlice[i] = iFirstMbIdx;
 
     WelsSetMemMultiplebytes_c (pSliceCtx->pOverallMbMap + iFirstMbIdx, i,
                                pSliceCtx->pCountMbNumInSlice[i], sizeof (uint16_t));
 
     // for next partition(or pSlice)
-    iFirstMbIdx	+= pSliceCtx->pCountMbNumInSlice[i];
+    iFirstMbIdx += pSliceCtx->pCountMbNumInSlice[i];
     iAssignableMbLeft -= pSliceCtx->pCountMbNumInSlice[i];
     ++ i;
   }
@@ -2770,15 +2768,15 @@
 }
 
 void WelsInitCurrentDlayerMltslc (sWelsEncCtx* pCtx, int32_t iPartitionNum) {
-  SDqLayer* pCurDq				= pCtx->pCurDqLayer;
-  SSliceCtx* pSliceCtx		= pCurDq->pSliceEncCtx;
+  SDqLayer* pCurDq      = pCtx->pCurDqLayer;
+  SSliceCtx* pSliceCtx  = pCurDq->pSliceEncCtx;
 
   UpdateSlicepEncCtxWithPartition (pSliceCtx, iPartitionNum);
 
   if (I_SLICE == pCtx->eSliceType) { //check if uiSliceSizeConstraint too small
 #define byte_complexIMBat26 (60)
-    uint8_t		iCurDid = pCtx->uiDependencyId;
-    uint32_t	uiFrmByte = 0;
+    uint8_t iCurDid    = pCtx->uiDependencyId;
+    uint32_t uiFrmByte = 0;
 
     if (pCtx->pSvcParam->iRCMode != RC_OFF_MODE) {
       //RC case
@@ -2826,27 +2824,27 @@
 void WelsInitCurrentLayer (sWelsEncCtx* pCtx,
                            const int32_t kiWidth,
                            const int32_t kiHeight) {
-  SWelsSvcCodingParam* pParam	= pCtx->pSvcParam;
-  SPicture* pEncPic					= pCtx->pEncPic;
-  SPicture* pDecPic					= pCtx->pDecPic;
-  SDqLayer* pCurDq				= pCtx->pCurDqLayer;
-  SSlice* pBaseSlice				= &pCurDq->sLayerInfo.pSliceInLayer[0];
-  SSlice* pSlice					= NULL;
-  const uint8_t kiCurDid			= pCtx->uiDependencyId;
+  SWelsSvcCodingParam* pParam   = pCtx->pSvcParam;
+  SPicture* pEncPic             = pCtx->pEncPic;
+  SPicture* pDecPic             = pCtx->pDecPic;
+  SDqLayer* pCurDq              = pCtx->pCurDqLayer;
+  SSlice* pBaseSlice            = &pCurDq->sLayerInfo.pSliceInLayer[0];
+  SSlice* pSlice                = NULL;
+  const uint8_t kiCurDid        = pCtx->uiDependencyId;
   const bool kbUseSubsetSpsFlag = (!pParam->bSimulcastAVC) && (kiCurDid > BASE_DEPENDENCY_ID);
-  SSpatialLayerConfig* fDlp				= &pParam->sSpatialLayers[kiCurDid];
-  SNalUnitHeaderExt* pNalHdExt	= &pCurDq->sLayerInfo.sNalHeaderExt;
-  SNalUnitHeader* pNalHd			= &pNalHdExt->sNalUnitHeader;
-  SDqIdc* pDqIdc						= &pCtx->pDqIdcMap[kiCurDid];
-  int32_t iIdx						= 0;
-  int32_t iSliceCount				= 0;
+  SSpatialLayerConfig* fDlp     = &pParam->sSpatialLayers[kiCurDid];
+  SNalUnitHeaderExt* pNalHdExt  = &pCurDq->sLayerInfo.sNalHeaderExt;
+  SNalUnitHeader* pNalHd        = &pNalHdExt->sNalUnitHeader;
+  SDqIdc* pDqIdc                = &pCtx->pDqIdcMap[kiCurDid];
+  int32_t iIdx                  = 0;
+  int32_t iSliceCount           = 0;
 
   if (NULL == pCurDq)
     return;
 
-  pCurDq->pDecPic	= pDecPic;
+  pCurDq->pDecPic = pDecPic;
 
-  if (fDlp->sSliceCfg.uiSliceMode == SM_DYN_SLICE)	// need get extra slices for update
+  if (fDlp->sSliceCfg.uiSliceMode == SM_DYN_SLICE) // need get extra slices for update
     iSliceCount = GetInitialSliceNum (pCurDq->iMbWidth, pCurDq->iMbHeight, &fDlp->sSliceCfg);
   else
     iSliceCount = GetCurrentSliceNum (pCurDq->pSliceEncCtx);
@@ -2859,19 +2857,19 @@
     iCurPpsId = pCtx->sPSOVector.iPpsIdList[pDqIdc->iPpsId][WELS_ABS (pCtx->uiIdrPicId - 1) % MAX_PPS_COUNT];
   }
 
-  pBaseSlice->sSliceHeaderExt.sSliceHeader.iPpsId	= iCurPpsId;
-  pCurDq->sLayerInfo.pPpsP							=
-    pBaseSlice->sSliceHeaderExt.sSliceHeader.pPps		= &pCtx->pPPSArray[iCurPpsId];
+  pBaseSlice->sSliceHeaderExt.sSliceHeader.iPpsId       = iCurPpsId;
+  pCurDq->sLayerInfo.pPpsP                              =
+    pBaseSlice->sSliceHeaderExt.sSliceHeader.pPps       = &pCtx->pPPSArray[iCurPpsId];
 
-  pBaseSlice->sSliceHeaderExt.sSliceHeader.iSpsId	= iCurSpsId;
+  pBaseSlice->sSliceHeaderExt.sSliceHeader.iSpsId       = iCurSpsId;
   if (kbUseSubsetSpsFlag) {
-    pCurDq->sLayerInfo.pSubsetSpsP					= &pCtx->pSubsetArray[iCurSpsId];
-    pCurDq->sLayerInfo.pSpsP						=
-      pBaseSlice->sSliceHeaderExt.sSliceHeader.pSps	= &pCurDq->sLayerInfo.pSubsetSpsP->pSps;
+    pCurDq->sLayerInfo.pSubsetSpsP                      = &pCtx->pSubsetArray[iCurSpsId];
+    pCurDq->sLayerInfo.pSpsP                            =
+      pBaseSlice->sSliceHeaderExt.sSliceHeader.pSps     = &pCurDq->sLayerInfo.pSubsetSpsP->pSps;
   } else {
-    pCurDq->sLayerInfo.pSubsetSpsP					= NULL;
-    pCurDq->sLayerInfo.pSpsP						=
-      pBaseSlice->sSliceHeaderExt.sSliceHeader.pSps	= &pCtx->pSpsArray[iCurSpsId];
+    pCurDq->sLayerInfo.pSubsetSpsP                      = NULL;
+    pCurDq->sLayerInfo.pSpsP                            =
+      pBaseSlice->sSliceHeaderExt.sSliceHeader.pSps     = &pCtx->pSpsArray[iCurSpsId];
   }
 
   pSlice = pBaseSlice;
@@ -2878,52 +2876,52 @@
   iIdx = 1;
   while (iIdx < iSliceCount) {
     ++ pSlice;
-    pSlice->sSliceHeaderExt.sSliceHeader.iPpsId	= pBaseSlice->sSliceHeaderExt.sSliceHeader.iPpsId;
-    pSlice->sSliceHeaderExt.sSliceHeader.pPps	= pBaseSlice->sSliceHeaderExt.sSliceHeader.pPps;
-    pSlice->sSliceHeaderExt.sSliceHeader.iSpsId	= pBaseSlice->sSliceHeaderExt.sSliceHeader.iSpsId;
-    pSlice->sSliceHeaderExt.sSliceHeader.pSps	= pBaseSlice->sSliceHeaderExt.sSliceHeader.pSps;
+    pSlice->sSliceHeaderExt.sSliceHeader.iPpsId = pBaseSlice->sSliceHeaderExt.sSliceHeader.iPpsId;
+    pSlice->sSliceHeaderExt.sSliceHeader.pPps   = pBaseSlice->sSliceHeaderExt.sSliceHeader.pPps;
+    pSlice->sSliceHeaderExt.sSliceHeader.iSpsId = pBaseSlice->sSliceHeaderExt.sSliceHeader.iSpsId;
+    pSlice->sSliceHeaderExt.sSliceHeader.pSps   = pBaseSlice->sSliceHeaderExt.sSliceHeader.pSps;
     ++ iIdx;
   }
 
   memset (pNalHdExt, 0, sizeof (SNalUnitHeaderExt));
-  pNalHd->uiNalRefIdc					= pCtx->eNalPriority;
-  pNalHd->eNalUnitType				= pCtx->eNalType;
+  pNalHd->uiNalRefIdc                   = pCtx->eNalPriority;
+  pNalHd->eNalUnitType                  = pCtx->eNalType;
 
-  pNalHdExt->uiDependencyId			= kiCurDid;
-  pNalHdExt->bDiscardableFlag		= (pCtx->bNeedPrefixNalFlag) ? (pNalHd->uiNalRefIdc == NRI_PRI_LOWEST) : false;
-  pNalHdExt->bIdrFlag				= (pCtx->iFrameNum == 0) && ((pCtx->eNalType == NAL_UNIT_CODED_SLICE_IDR)
-                              || (pCtx->eSliceType == I_SLICE));
-  pNalHdExt->uiTemporalId				= pCtx->uiTemporalId;
+  pNalHdExt->uiDependencyId             = kiCurDid;
+  pNalHdExt->bDiscardableFlag           = (pCtx->bNeedPrefixNalFlag) ? (pNalHd->uiNalRefIdc == NRI_PRI_LOWEST) : false;
+  pNalHdExt->bIdrFlag                   = (pCtx->iFrameNum == 0) && ((pCtx->eNalType == NAL_UNIT_CODED_SLICE_IDR)
+                                          || (pCtx->eSliceType == I_SLICE));
+  pNalHdExt->uiTemporalId               = pCtx->uiTemporalId;
 
-  pBaseSlice->bSliceHeaderExtFlag	= (NAL_UNIT_CODED_SLICE_EXT == pNalHd->eNalUnitType);
+  pBaseSlice->bSliceHeaderExtFlag       = (NAL_UNIT_CODED_SLICE_EXT == pNalHd->eNalUnitType);
 
   pSlice = pBaseSlice;
   iIdx = 1;
   while (iIdx < iSliceCount) {
     ++ pSlice;
-    pSlice->bSliceHeaderExtFlag			= pBaseSlice->bSliceHeaderExtFlag;
+    pSlice->bSliceHeaderExtFlag = pBaseSlice->bSliceHeaderExtFlag;
     ++ iIdx;
   }
 
   // pEncPic pData
-  pCurDq->pEncData[0]		= pEncPic->pData[0];
-  pCurDq->pEncData[1]		= pEncPic->pData[1];
-  pCurDq->pEncData[2]		= pEncPic->pData[2];
-  pCurDq->iEncStride[0]	= pEncPic->iLineSize[0];
-  pCurDq->iEncStride[1]	= pEncPic->iLineSize[1];
-  pCurDq->iEncStride[2]	= pEncPic->iLineSize[2];
+  pCurDq->pEncData[0]   = pEncPic->pData[0];
+  pCurDq->pEncData[1]   = pEncPic->pData[1];
+  pCurDq->pEncData[2]   = pEncPic->pData[2];
+  pCurDq->iEncStride[0] = pEncPic->iLineSize[0];
+  pCurDq->iEncStride[1] = pEncPic->iLineSize[1];
+  pCurDq->iEncStride[2] = pEncPic->iLineSize[2];
   // cs pData
-  pCurDq->pCsData[0]		= pDecPic->pData[0];
-  pCurDq->pCsData[1]		= pDecPic->pData[1];
-  pCurDq->pCsData[2]		= pDecPic->pData[2];
-  pCurDq->iCsStride[0]	= pDecPic->iLineSize[0];
-  pCurDq->iCsStride[1]	= pDecPic->iLineSize[1];
-  pCurDq->iCsStride[2]	= pDecPic->iLineSize[2];
+  pCurDq->pCsData[0]    = pDecPic->pData[0];
+  pCurDq->pCsData[1]    = pDecPic->pData[1];
+  pCurDq->pCsData[2]    = pDecPic->pData[2];
+  pCurDq->iCsStride[0]  = pDecPic->iLineSize[0];
+  pCurDq->iCsStride[1]  = pDecPic->iLineSize[1];
+  pCurDq->iCsStride[2]  = pDecPic->iLineSize[2];
 
   if (pCurDq->pRefLayer != NULL) {
-    pCurDq->bBaseLayerAvailableFlag	= true;
+    pCurDq->bBaseLayerAvailableFlag = true;
   } else {
-    pCurDq->bBaseLayerAvailableFlag	= false;
+    pCurDq->bBaseLayerAvailableFlag = false;
   }
 }
 
@@ -2970,9 +2968,9 @@
 
 
 void PreprocessSliceCoding (sWelsEncCtx* pCtx) {
-  SDqLayer* pCurLayer		= pCtx->pCurDqLayer;
-  //const bool kbBaseAvail	= pCurLayer->bBaseLayerAvailableFlag;
-  const bool kbHighestSpatialLayer	=
+  SDqLayer* pCurLayer           = pCtx->pCurDqLayer;
+  //const bool kbBaseAvail      = pCurLayer->bBaseLayerAvailableFlag;
+  const bool kbHighestSpatialLayer =
     (pCtx->pSvcParam->iSpatialLayerNum == (pCurLayer->sLayerInfo.sNalHeaderExt.uiDependencyId + 1));
   SWelsFuncPtrList* pFuncList = pCtx->pFuncList;
   SLogContext* pLogCtx = & (pCtx->sLogCtx);
@@ -3019,7 +3017,7 @@
       pFuncList->pfInterFineMd = WelsMdInterFinePartitionVaaOnScreen;
 
       //ME related func pointers
-      SVAAFrameInfoExt* pVaaExt		= static_cast<SVAAFrameInfoExt*> (pCtx->pVaa);
+      SVAAFrameInfoExt* pVaaExt = static_cast<SVAAFrameInfoExt*> (pCtx->pVaa);
       if (pVaaExt->sScrollDetectInfo.bScrollDetectFlag
           && (pVaaExt->sScrollDetectInfo.iScrollMvX | pVaaExt->sScrollDetectInfo.iScrollMvY)) {
         pFuncList->pfSetScrollingMv = SetScrollingMvToMd;
@@ -3040,7 +3038,7 @@
         pFeatureSearchPreparation->iHighFreMbCount = 0;
 
         //calculate bFMESwitchFlag
-        SVAAFrameInfoExt* pVaaExt		= static_cast<SVAAFrameInfoExt*> (pCtx->pVaa);
+        SVAAFrameInfoExt* pVaaExt = static_cast<SVAAFrameInfoExt*> (pCtx->pVaa);
         const int32_t kiMbSize = pCurLayer->iMbHeight * pCurLayer->iMbWidth;
         pFeatureSearchPreparation->bFMESwitchFlag = CalcFMESwitchFlag (pFeatureSearchPreparation->uiFMEGoodFrameCount,
             pFeatureSearchPreparation->iHighFreMbCount * 100 / kiMbSize, pCtx->pVaa->sVaaCalcInfo.iFrameSad / kiMbSize,
@@ -3090,13 +3088,13 @@
 
 static inline void WelsSwapDqLayers (sWelsEncCtx* pCtx) {
   // swap and assign reference
-  const int32_t kiDid			= pCtx->uiDependencyId;
-  const int32_t kiNextDqIdx   = 1 + kiDid;
+  const int32_t kiDid           = pCtx->uiDependencyId;
+  const int32_t kiNextDqIdx     = 1 + kiDid;
 
-  SDqLayer* pTmpLayer			= pCtx->ppDqLayerList[kiNextDqIdx];
-  SDqLayer* pRefLayer			= pCtx->pCurDqLayer;
-  pCtx->pCurDqLayer				= pTmpLayer;
-  pCtx->pCurDqLayer->pRefLayer	= pRefLayer;
+  SDqLayer* pTmpLayer           = pCtx->ppDqLayerList[kiNextDqIdx];
+  SDqLayer* pRefLayer           = pCtx->pCurDqLayer;
+  pCtx->pCurDqLayer             = pTmpLayer;
+  pCtx->pCurDqLayer->pRefLayer  = pRefLayer;
 }
 
 /*!
@@ -3111,17 +3109,17 @@
   assert (kiSliceCount > 0);
   if (keFrameType != videoFrameTypeIDR) {
     assert (pCtx->iNumRef0 > 0);
-    pCtx->pRefPic	= pCtx->pRefList0[0];	// always get item 0 due to reordering done
-    pCtx->pCurDqLayer->pRefPic	= pCtx->pRefPic;
-    uiRefIdx	= 0;	// reordered reference iIndex
-  } else {	// safe for IDR coding
-    pCtx->pRefPic					= NULL;
-    pCtx->pCurDqLayer->pRefPic	= NULL;
+    pCtx->pRefPic               = pCtx->pRefList0[0];   // always get item 0 due to reordering done
+    pCtx->pCurDqLayer->pRefPic  = pCtx->pRefPic;
+    uiRefIdx                    = 0;                    // reordered reference iIndex
+  } else { // safe for IDR coding
+    pCtx->pRefPic               = NULL;
+    pCtx->pCurDqLayer->pRefPic  = NULL;
   }
 
   iIdx = 0;
   while (iIdx < kiSliceCount) {
-    pSliceBase->sSliceHeaderExt.sSliceHeader.uiRefIndex	= uiRefIdx;
+    pSliceBase->sSliceHeaderExt.sSliceHeader.uiRefIndex = uiRefIdx;
     ++ pSliceBase;
     ++ iIdx;
   }
@@ -3132,23 +3130,23 @@
                                 const uint32_t kuiMaxIdInBs) { //paraset_type = 0: SPS; =1: PPS
   //SPS_ID in avc_sps and pSubsetSps will be different using this
   //SPS_ID case example:
-  //1st enter:		next_spsid_in_bs == 0; spsid == 0; delta==0;				//actual spsid_in_bs == 0
-  //1st finish:		next_spsid_in_bs == 1;
-  //2nd enter:	next_spsid_in_bs == 1; spsid == 0; delta==1;				//actual spsid_in_bs == 1
-  //2nd finish:		next_spsid_in_bs == 2;
-  //31st enter:	next_spsid_in_bs == 31; spsid == 0~2; delta==31~29;	//actual spsid_in_bs == 31
-  //31st finish:	next_spsid_in_bs == 0;
-  //31st enter:	next_spsid_in_bs == 0; spsid == 0~2; delta==-2~0;		//actual spsid_in_bs == 0
-  //31st finish:	next_spsid_in_bs == 1;
+  //1st enter:  next_spsid_in_bs == 0; spsid == 0; delta==0;            //actual spsid_in_bs == 0
+  //1st finish: next_spsid_in_bs == 1;
+  //2nd enter:  next_spsid_in_bs == 1; spsid == 0; delta==1;            //actual spsid_in_bs == 1
+  //2nd finish: next_spsid_in_bs == 2;
+  //31st enter: next_spsid_in_bs == 31; spsid == 0~2; delta==31~29;     //actual spsid_in_bs == 31
+  //31st finish:next_spsid_in_bs == 0;
+  //31st enter: next_spsid_in_bs == 0; spsid == 0~2; delta==-2~0;       //actual spsid_in_bs == 0
+  //31st finish:next_spsid_in_bs == 1;
 
-  const int32_t kiEncId			= kiCurEncoderParaSetId;
-  uint32_t uiNextIdInBs			= sParaSetOffsetVariable->uiNextParaSetIdToUseInBs;
+  const int32_t kiEncId = kiCurEncoderParaSetId;
+  uint32_t uiNextIdInBs = sParaSetOffsetVariable->uiNextParaSetIdToUseInBs;
 
   //update current layer's pCodingParam
-  sParaSetOffsetVariable->iParaSetIdDelta[kiEncId]	= uiNextIdInBs -
+  sParaSetOffsetVariable->iParaSetIdDelta[kiEncId] = uiNextIdInBs -
       kiEncId;  //for current parameter set, change its id_delta
   //write pso pData for next update:
-  sParaSetOffsetVariable->bUsedParaSetIdInBs[uiNextIdInBs] = true;		//   update current used_id
+  sParaSetOffsetVariable->bUsedParaSetIdInBs[uiNextIdInBs] = true; //   update current used_id
 
   //prepare for next update:
   //   find the next avaibable iId
@@ -3161,7 +3159,7 @@
 }
 
 int32_t WelsWriteOneSPS (sWelsEncCtx* pCtx, const int32_t kiSpsIdx, int32_t& iNalSize) {
-  int    iNal	= pCtx->pOut->iNalIndex;
+  int iNal = pCtx->pOut->iNalIndex;
   WelsLoadNal (pCtx->pOut, NAL_UNIT_SPS, NRI_PRI_HIGHEST);
 
   WelsWriteSpsNal (&pCtx->pSpsArray[kiSpsIdx], &pCtx->pOut->sBsWrite,
@@ -3174,13 +3172,13 @@
                                    &iNalSize);
   WELS_VERIFY_RETURN_IFNEQ (iReturn, ENC_RETURN_SUCCESS)
 
-  pCtx->iPosBsBuffer	+= iNalSize;
+  pCtx->iPosBsBuffer += iNalSize;
   return ENC_RETURN_SUCCESS;
 }
 
 int32_t WelsWriteOnePPS (sWelsEncCtx* pCtx, const int32_t kiPpsIdx, int32_t& iNalSize) {
   //TODO
-  int32_t iNal	= pCtx->pOut->iNalIndex;
+  int32_t iNal = pCtx->pOut->iNalIndex;
   /* generate picture parameter set */
   WelsLoadNal (pCtx->pOut, NAL_UNIT_PPS, NRI_PRI_HIGHEST);
   WelsWritePpsSyntax (&pCtx->pPPSArray[kiPpsIdx], &pCtx->pOut->sBsWrite,
@@ -3193,7 +3191,7 @@
                                    &iNalSize);
   WELS_VERIFY_RETURN_IFNEQ (iReturn, ENC_RETURN_SUCCESS)
 
-  pCtx->iPosBsBuffer	+= iNalSize;
+  pCtx->iPosBsBuffer += iNalSize;
   return ENC_RETURN_SUCCESS;
 }
 
@@ -3225,12 +3223,12 @@
  * \return  writing results, success or error
  */
 int32_t WelsWriteParameterSets (sWelsEncCtx* pCtx, int32_t* pNalLen, int32_t* pNumNal, int32_t* pTotalLength) {
-  int32_t iSize	= 0;
-  int32_t iNal	= 0;
-  int32_t	iIdx	= 0;
-  int32_t iId	= 0;
-  int32_t iCountNal	= 0;
-  int32_t iNalLength	= 0;
+  int32_t iSize = 0;
+  int32_t iNal  = 0;
+  int32_t iIdx  = 0;
+  int32_t iId   = 0;
+  int32_t iCountNal     = 0;
+  int32_t iNalLength    = 0;
   int32_t iReturn = ENC_RETURN_SUCCESS;
 
   if (NULL == pCtx || NULL == pNalLen || NULL == pNumNal)
@@ -3255,12 +3253,12 @@
     }
 
     /* generate sequence parameters set */
-    iId	= (SPS_LISTING & pCtx->pSvcParam->eSpsPpsIdStrategy) ? iIdx : 0;
+    iId = (SPS_LISTING & pCtx->pSvcParam->eSpsPpsIdStrategy) ? iIdx : 0;
 
     WelsWriteOneSPS (pCtx, iId, iNalLength);
 
     pNalLen[iCountNal] = iNalLength;
-    iSize				+= iNalLength;
+    iSize += iNalLength;
 
     ++ iIdx;
     ++ iCountNal;
@@ -3269,7 +3267,7 @@
   /* write all Subset SPS */
   iIdx = 0;
   while (iIdx < pCtx->iSubsetSpsNum) {
-    iNal	= pCtx->pOut->iNalIndex;
+    iNal = pCtx->pOut->iNalIndex;
 
     if (INCREASING_ID == pCtx->pSvcParam->eSpsPpsIdStrategy) {
 #if _DEBUG
@@ -3282,7 +3280,7 @@
                                  MAX_SPS_COUNT);
     }
 
-    iId	= iIdx;
+    iId = iIdx;
 
     /* generate Subset SPS */
     WelsLoadNal (pCtx->pOut, NAL_UNIT_SUBSET_SPS, NRI_PRI_HIGHEST);
@@ -3298,8 +3296,8 @@
     WELS_VERIFY_RETURN_IFNEQ (iReturn, ENC_RETURN_SUCCESS)
     pNalLen[iCountNal] = iNalLength;
 
-    pCtx->iPosBsBuffer	+= iNalLength;
-    iSize				+= iNalLength;
+    pCtx->iPosBsBuffer  += iNalLength;
+    iSize               += iNalLength;
 
     ++ iIdx;
     ++ iCountNal;
@@ -3321,7 +3319,7 @@
     WelsWriteOnePPS (pCtx, iIdx, iNalLength);
 
     pNalLen[iCountNal] = iNalLength;
-    iSize				+= iNalLength;
+    iSize += iNalLength;
 
     ++ iIdx;
     ++ iCountNal;
@@ -3358,7 +3356,7 @@
     WELS_VERIFY_RETURN_IFNEQ (iReturn, ENC_RETURN_SUCCESS)
     iPayloadSize = pNalLen[*pNalIdxInLayer];
 
-    pCtx->iPosBsBuffer							+= iPayloadSize;
+    pCtx->iPosBsBuffer += iPayloadSize;
 
     (*pNalIdxInLayer) ++;
   } else { // No Prefix NAL Unit RBSP syntax here, but need add NAL Unit Header extension
@@ -3374,7 +3372,7 @@
     WELS_VERIFY_RETURN_IFNEQ (iReturn, ENC_RETURN_SUCCESS)
     iPayloadSize = pNalLen[*pNalIdxInLayer];
 
-    pCtx->iPosBsBuffer							+= iPayloadSize;
+    pCtx->iPosBsBuffer += iPayloadSize;
 
     (*pNalIdxInLayer) ++;
   }
@@ -3384,13 +3382,13 @@
 
 int32_t WritePadding (sWelsEncCtx* pCtx, int32_t iLen, int32_t& iSize) {
   int32_t i = 0;
-  int32_t iNal	= 0;
-  SBitStringAux*	pBs = NULL;
+  int32_t iNal = 0;
+  SBitStringAux* pBs = NULL;
   int32_t iNalLen;
 
   iSize = 0;
-  iNal	= pCtx->pOut->iNalIndex;
-  pBs	=	&pCtx->pOut->sBsWrite;	// SBitStringAux instance for non VCL NALs decoding
+  iNal  = pCtx->pOut->iNalIndex;
+  pBs   = &pCtx->pOut->sBsWrite;  // SBitStringAux instance for non VCL NALs decoding
 
   if ((pBs->pEndBuf - pBs->pCurBuf) < iLen || iNal >= pCtx->pOut->iCountNals) {
 #if GOM_TRACE_FLAG
@@ -3416,8 +3414,8 @@
                                    &iNalLen);
   WELS_VERIFY_RETURN_IFNEQ (iReturn, ENC_RETURN_SUCCESS)
 
-  pCtx->iPosBsBuffer	+= iNalLen;
-  iSize				+= iNalLen;
+  pCtx->iPosBsBuffer += iNalLen;
+  iSize              += iNalLen;
 
   return ENC_RETURN_SUCCESS;
 }
@@ -3430,7 +3428,7 @@
     return 1;
 
   pCtx->bEncCurFrmAsIdrFlag = true;
-  pCtx->iCodingIndex	= 0;
+  pCtx->iCodingIndex = 0;
   pCtx->bCheckWindowStatusRefreshFlag = false;
   return 0;
 }
@@ -3487,15 +3485,15 @@
   iReturn = WelsWriteParameterSets (pCtx, &pLayerBsInfo->pNalLengthInByte[0], &iCountNal, &iNonVclSize);
   WELS_VERIFY_RETURN_IFNEQ (iReturn, ENC_RETURN_SUCCESS)
 
-  pLayerBsInfo->uiSpatialId		= 0;
-  pLayerBsInfo->uiTemporalId	= 0;
-  pLayerBsInfo->uiQualityId		= 0;
-  pLayerBsInfo->uiLayerType		= NON_VIDEO_CODING_LAYER;
-  pLayerBsInfo->iNalCount		= iCountNal;
+  pLayerBsInfo->uiSpatialId     = 0;
+  pLayerBsInfo->uiTemporalId    = 0;
+  pLayerBsInfo->uiQualityId     = 0;
+  pLayerBsInfo->uiLayerType     = NON_VIDEO_CODING_LAYER;
+  pLayerBsInfo->iNalCount       = iCountNal;
 
   //point to next pLayerBsInfo
   ++ pLayerBsInfo;
-  pLayerBsInfo->pBsBuf			= pCtx->pFrameBs + pCtx->iPosBsBuffer;
+  pLayerBsInfo->pBsBuf           = pCtx->pFrameBs + pCtx->iPosBsBuffer;
   pLayerBsInfo->pNalLengthInByte = (pLayerBsInfo - 1)->pNalLengthInByte + iCountNal;
   //update for external countings
   ++ iLayerNum;
@@ -3524,15 +3522,15 @@
     iCountNal = 1;
     //finish writing one NAL
 
-    pLayerBsInfo->uiSpatialId		= iIdx;
-    pLayerBsInfo->uiTemporalId	= 0;
-    pLayerBsInfo->uiQualityId		= 0;
-    pLayerBsInfo->uiLayerType		= NON_VIDEO_CODING_LAYER;
-    pLayerBsInfo->iNalCount		= iCountNal;
+    pLayerBsInfo->uiSpatialId   = iIdx;
+    pLayerBsInfo->uiTemporalId  = 0;
+    pLayerBsInfo->uiQualityId   = 0;
+    pLayerBsInfo->uiLayerType   = NON_VIDEO_CODING_LAYER;
+    pLayerBsInfo->iNalCount     = iCountNal;
 
     //point to next pLayerBsInfo
     ++ pLayerBsInfo;
-    pLayerBsInfo->pBsBuf			= pCtx->pFrameBs + pCtx->iPosBsBuffer;
+    pLayerBsInfo->pBsBuf           = pCtx->pFrameBs + pCtx->iPosBsBuffer;
     pLayerBsInfo->pNalLengthInByte = (pLayerBsInfo - 1)->pNalLengthInByte + iCountNal;
     //update for external countings
     iCountNal = 0;
@@ -3555,15 +3553,15 @@
     iCountNal = 1;
     //finish writing one NAL
 
-    pLayerBsInfo->uiSpatialId		= iIdx;
-    pLayerBsInfo->uiTemporalId	= 0;
-    pLayerBsInfo->uiQualityId		= 0;
-    pLayerBsInfo->uiLayerType		= NON_VIDEO_CODING_LAYER;
-    pLayerBsInfo->iNalCount		= iCountNal;
+    pLayerBsInfo->uiSpatialId   = iIdx;
+    pLayerBsInfo->uiTemporalId  = 0;
+    pLayerBsInfo->uiQualityId   = 0;
+    pLayerBsInfo->uiLayerType   = NON_VIDEO_CODING_LAYER;
+    pLayerBsInfo->iNalCount     = iCountNal;
 
     //point to next pLayerBsInfo
     ++ pLayerBsInfo;
-    pLayerBsInfo->pBsBuf			= pCtx->pFrameBs + pCtx->iPosBsBuffer;
+    pLayerBsInfo->pBsBuf           = pCtx->pFrameBs + pCtx->iPosBsBuffer;
     pLayerBsInfo->pNalLengthInByte = (pLayerBsInfo - 1)->pNalLengthInByte + iCountNal;
     //update for external countings
     iCountNal = 0;
@@ -3603,15 +3601,15 @@
       //finish writing one NAL
     }
 
-    pLayerBsInfo->uiSpatialId		= iSpatialId;
-    pLayerBsInfo->uiTemporalId	= 0;
-    pLayerBsInfo->uiQualityId		= 0;
-    pLayerBsInfo->uiLayerType		= NON_VIDEO_CODING_LAYER;
-    pLayerBsInfo->iNalCount		= iCountNal;
+    pLayerBsInfo->uiSpatialId   = iSpatialId;
+    pLayerBsInfo->uiTemporalId  = 0;
+    pLayerBsInfo->uiQualityId   = 0;
+    pLayerBsInfo->uiLayerType   = NON_VIDEO_CODING_LAYER;
+    pLayerBsInfo->iNalCount     = iCountNal;
 
     //point to next pLayerBsInfo
     ++ pLayerBsInfo;
-    pLayerBsInfo->pBsBuf			= pCtx->pFrameBs + pCtx->iPosBsBuffer;
+    pLayerBsInfo->pBsBuf           = pCtx->pFrameBs + pCtx->iPosBsBuffer;
     pLayerBsInfo->pNalLengthInByte = (pLayerBsInfo - 1)->pNalLengthInByte + iCountNal;
     //update for external countings
     iCountNal = 0;
@@ -3638,15 +3636,15 @@
       //finish writing one NAL
     }
 
-    pLayerBsInfo->uiSpatialId		= iSpatialId;
-    pLayerBsInfo->uiTemporalId	= 0;
-    pLayerBsInfo->uiQualityId		= 0;
-    pLayerBsInfo->uiLayerType		= NON_VIDEO_CODING_LAYER;
-    pLayerBsInfo->iNalCount		= iCountNal;
+    pLayerBsInfo->uiSpatialId   = iSpatialId;
+    pLayerBsInfo->uiTemporalId  = 0;
+    pLayerBsInfo->uiQualityId   = 0;
+    pLayerBsInfo->uiLayerType   = NON_VIDEO_CODING_LAYER;
+    pLayerBsInfo->iNalCount     = iCountNal;
 
     //point to next pLayerBsInfo
     ++ pLayerBsInfo;
-    pLayerBsInfo->pBsBuf			= pCtx->pFrameBs + pCtx->iPosBsBuffer;
+    pLayerBsInfo->pBsBuf           = pCtx->pFrameBs + pCtx->iPosBsBuffer;
     pLayerBsInfo->pNalLengthInByte = (pLayerBsInfo - 1)->pNalLengthInByte + iCountNal;
     //update for external countings
     iCountNal = 0;
@@ -3676,29 +3674,29 @@
   if (pCtx == NULL) {
     return ENC_RETURN_MEMALLOCERR;
   }
-  SLayerBSInfo* pLayerBsInfo					= &pFbi->sLayerInfo[0];
-  SWelsSvcCodingParam* pSvcParam	= pCtx->pSvcParam;
+  SLayerBSInfo* pLayerBsInfo            = &pFbi->sLayerInfo[0];
+  SWelsSvcCodingParam* pSvcParam        = pCtx->pSvcParam;
   SSpatialPicIndex* pSpatialIndexMap = &pCtx->sSpatialIndexMap[0];
 #if defined(ENABLE_FRAME_DUMP) || defined(ENABLE_PSNR_CALC)
-  SPicture* fsnr						= NULL;
+  SPicture* fsnr                = NULL;
 #endif//ENABLE_FRAME_DUMP || ENABLE_PSNR_CALC
-  SPicture* pEncPic						= NULL;	// to be decided later
-  int32_t iDidList[MAX_DEPENDENCY_LAYER]	= {0};
-  int32_t iLayerNum					= 0;
-  int32_t iLayerSize					= 0;
-  int32_t iSpatialNum					= 0; // available count number of spatial layers due to frame size changed in this given frame
-  int32_t iSpatialIdx					= 0; // iIndex of spatial layers due to frame size changed in this given frame
-  int32_t iFrameSize					= 0;
-  int32_t iNalIdxInLayer			= 0;
-  int32_t iCountNal					= 0;
-  EVideoFrameType eFrameType				= videoFrameTypeInvalid;
-  int32_t iCurWidth					= 0;
-  int32_t iCurHeight					= 0;
-  EWelsNalUnitType eNalType			= NAL_UNIT_UNSPEC_0;
-  EWelsNalRefIdc eNalRefIdc			= NRI_PRI_LOWEST;
-  int8_t iCurDid						= 0;
-  int8_t iCurTid						= 0;
-  bool bAvcBased					= false;
+  SPicture* pEncPic             = NULL; // to be decided later
+  int32_t iDidList[MAX_DEPENDENCY_LAYER] = {0};
+  int32_t iLayerNum             = 0;
+  int32_t iLayerSize            = 0;
+  int32_t iSpatialNum           = 0; // available count number of spatial layers due to frame size changed in this given frame
+  int32_t iSpatialIdx           = 0; // iIndex of spatial layers due to frame size changed in this given frame
+  int32_t iFrameSize            = 0;
+  int32_t iNalIdxInLayer        = 0;
+  int32_t iCountNal             = 0;
+  EVideoFrameType eFrameType    = videoFrameTypeInvalid;
+  int32_t iCurWidth             = 0;
+  int32_t iCurHeight            = 0;
+  EWelsNalUnitType eNalType     = NAL_UNIT_UNSPEC_0;
+  EWelsNalRefIdc eNalRefIdc     = NRI_PRI_LOWEST;
+  int8_t iCurDid                = 0;
+  int8_t iCurTid                = 0;
+  bool bAvcBased                = false;
   SLogContext* pLogCtx = & (pCtx->sLogCtx);
 #if defined(ENABLE_PSNR_CALC)
   float fSnrY = .0f, fSnrU = .0f, fSnrV = .0f;
@@ -3708,9 +3706,9 @@
   int32_t i = 0, j = 0, k = 0;
 #endif//_DEBUG
 
-  pCtx->iEncoderError						= ENC_RETURN_SUCCESS;
-  pCtx->bCurFrameMarkedAsSceneLtr   = false;
-  pFbi->iLayerNum	= 0;	// for initialization
+  pCtx->iEncoderError = ENC_RETURN_SUCCESS;
+  pCtx->bCurFrameMarkedAsSceneLtr = false;
+  pFbi->iLayerNum = 0; // for initialization
   pFbi->uiTimeStamp = pSrcPic->uiTimeStamp;
   // perform csc/denoise/downsample/padding, generate spatial layers
   iSpatialNum = pCtx->pVpp->BuildSpatialPicList (pCtx, pSrcPic);
@@ -3718,7 +3716,7 @@
     pCtx->pFuncList->pfRc.pfWelsUpdateMaxBrWindowStatus (pCtx, iSpatialNum, pSrcPic->uiTimeStamp);
   }
 
-  if (iSpatialNum < 1) {	// skip due to temporal layer settings (different frame rate)
+  if (iSpatialNum < 1) { // skip due to temporal layer settings (different frame rate)
     ++ pCtx->iCodingIndex;
     pFbi->eFrameType = videoFrameTypeSkip;
     WelsLog (& (pCtx->sLogCtx), WELS_LOG_DEBUG,
@@ -3754,11 +3752,11 @@
   pCtx->iContinualSkipFrames = 0;
   InitFrameCoding (pCtx, eFrameType);
 
-  iCurTid	= GetTemporalLevel (&pSvcParam->sDependencyLayers[pSpatialIndexMap->iDid], pCtx->iCodingIndex,
+  iCurTid = GetTemporalLevel (&pSvcParam->sDependencyLayers[pSpatialIndexMap->iDid], pCtx->iCodingIndex,
                               pSvcParam->uiGopSize);
-  pCtx->uiTemporalId	= iCurTid;
+  pCtx->uiTemporalId = iCurTid;
 
-  pLayerBsInfo->pBsBuf	= pCtx->pFrameBs ;
+  pLayerBsInfo->pBsBuf = pCtx->pFrameBs ;
   pLayerBsInfo->pNalLengthInByte = pCtx->pOut->pNalLen;
 
   if (eFrameType == videoFrameTypeIDR) {
@@ -3775,24 +3773,24 @@
     WELS_VERIFY_RETURN_IFNEQ (pCtx->iEncoderError, ENC_RETURN_SUCCESS)
   }
 
-  pCtx->pCurDqLayer				= pCtx->ppDqLayerList[pSpatialIndexMap->iDid];
-  pCtx->pCurDqLayer->pRefLayer	= NULL;
+  pCtx->pCurDqLayer             = pCtx->ppDqLayerList[pSpatialIndexMap->iDid];
+  pCtx->pCurDqLayer->pRefLayer  = NULL;
 
   while (iSpatialIdx < iSpatialNum) {
-    const int32_t iDidIdx			= (pSpatialIndexMap + iSpatialIdx)->iDid;	// get iDid
-    SSpatialLayerConfig* pParam		= &pSvcParam->sSpatialLayers[iDidIdx];
+    const int32_t iDidIdx       = (pSpatialIndexMap + iSpatialIdx)->iDid;       // get iDid
+    SSpatialLayerConfig* pParam = &pSvcParam->sSpatialLayers[iDidIdx];
 
-    pCtx->uiDependencyId	= iCurDid = (int8_t)iDidIdx;
+    pCtx->uiDependencyId        = iCurDid = (int8_t)iDidIdx;
     pCtx->pVpp->AnalyzeSpatialPic (pCtx, iDidIdx);
 
-    pCtx->pEncPic	 = pEncPic = (pSpatialIndexMap + iSpatialIdx)->pSrc;
-    pCtx->pEncPic->iPictureType	= pCtx->eSliceType;
-    pCtx->pEncPic->iFramePoc		= pCtx->iPOC;
+    pCtx->pEncPic               = pEncPic = (pSpatialIndexMap + iSpatialIdx)->pSrc;
+    pCtx->pEncPic->iPictureType = pCtx->eSliceType;
+    pCtx->pEncPic->iFramePoc    = pCtx->iPOC;
 
-    iCurWidth	= pParam->iVideoWidth;
-    iCurHeight	= pParam->iVideoHeight;
+    iCurWidth   = pParam->iVideoWidth;
+    iCurHeight  = pParam->iVideoHeight;
 
-    iDidList[iSpatialIdx]	= iCurDid;
+    iDidList[iSpatialIdx]       = iCurDid;
 
     // Encoding this picture might mulitiple sQualityStat layers potentially be encoded as followed
     switch (pParam->sSliceCfg.uiSliceMode) {
@@ -3808,8 +3806,8 @@
     case SM_DYN_SLICE: {
       int32_t iPicIPartitionNum = PicPartitionNumDecision (pCtx);
       // MT compatibility
-      pCtx->iActiveThreadsNum	=
-        iPicIPartitionNum;	// we try to active number of threads, equal to number of picture partitions
+      pCtx->iActiveThreadsNum =
+        iPicIPartitionNum; // we try to active number of threads, equal to number of picture partitions
       WelsInitCurrentDlayerMltslc (pCtx, iPicIPartitionNum);
       break;
     }
@@ -3819,41 +3817,41 @@
     }
 
     /* coding each spatial layer, only one sQualityStat layer within spatial support */
-    int32_t iSliceCount	= 1;
-    if (iLayerNum >= MAX_LAYER_NUM_OF_FRAME) {	// check available layer_bs_info writing as follows
+    int32_t iSliceCount = 1;
+    if (iLayerNum >= MAX_LAYER_NUM_OF_FRAME) { // check available layer_bs_info writing as follows
       WelsLog (pLogCtx, WELS_LOG_ERROR, "WelsEncoderEncodeExt(), iLayerNum(%d) overflow(max:%d)!", iLayerNum,
                MAX_LAYER_NUM_OF_FRAME);
       return ENC_RETURN_UNSUPPORTED_PARA;
     }
 
-    iNalIdxInLayer	= 0;
-    bAvcBased	= ((pSvcParam->bSimulcastAVC) || (iCurDid == BASE_DEPENDENCY_ID));
-    pCtx->bNeedPrefixNalFlag	= ((!pSvcParam->bSimulcastAVC) && (bAvcBased &&
+    iNalIdxInLayer  = 0;
+    bAvcBased       = ((pSvcParam->bSimulcastAVC) || (iCurDid == BASE_DEPENDENCY_ID));
+    pCtx->bNeedPrefixNalFlag    = ((!pSvcParam->bSimulcastAVC) && (bAvcBased &&
                                  (pSvcParam->bPrefixNalAddingCtrl ||
                                   (pSvcParam->iSpatialLayerNum > 1))));
 
     if (eFrameType == videoFrameTypeP) {
-      eNalType	= bAvcBased ? NAL_UNIT_CODED_SLICE : NAL_UNIT_CODED_SLICE_EXT;
+      eNalType = bAvcBased ? NAL_UNIT_CODED_SLICE : NAL_UNIT_CODED_SLICE_EXT;
     } else if (eFrameType == videoFrameTypeIDR) {
-      eNalType	= bAvcBased ? NAL_UNIT_CODED_SLICE_IDR : NAL_UNIT_CODED_SLICE_EXT;
+      eNalType = bAvcBased ? NAL_UNIT_CODED_SLICE_IDR : NAL_UNIT_CODED_SLICE_EXT;
     }
     if (iCurTid == 0 || pCtx->eSliceType == I_SLICE)
-      eNalRefIdc	= NRI_PRI_HIGHEST;
+      eNalRefIdc = NRI_PRI_HIGHEST;
     else if (iCurTid == pSvcParam->iDecompStages)
-      eNalRefIdc	= NRI_PRI_LOWEST;
+      eNalRefIdc = NRI_PRI_LOWEST;
     else if (1 + iCurTid == pSvcParam->iDecompStages)
-      eNalRefIdc	= NRI_PRI_LOW;
-    else	// more details for other temporal layers?
-      eNalRefIdc	= NRI_PRI_HIGHEST;
-    pCtx->eNalType		= eNalType;
-    pCtx->eNalPriority	= eNalRefIdc;
+      eNalRefIdc = NRI_PRI_LOW;
+    else // more details for other temporal layers?
+      eNalRefIdc = NRI_PRI_HIGHEST;
+    pCtx->eNalType = eNalType;
+    pCtx->eNalPriority = eNalRefIdc;
 
-    pCtx->pDecPic					= pCtx->ppRefPicListExt[iCurDid]->pNextBuffer;
+    pCtx->pDecPic               = pCtx->ppRefPicListExt[iCurDid]->pNextBuffer;
 #if defined(ENABLE_FRAME_DUMP) || defined(ENABLE_PSNR_CALC)
-    fsnr					= pCtx->pDecPic;
+    fsnr                        = pCtx->pDecPic;
 #endif//#if defined(ENABLE_FRAME_DUMP) || defined(ENABLE_PSNR_CALC)
-    pCtx->pDecPic->iPictureType	= pCtx->eSliceType;
-    pCtx->pDecPic->iFramePoc		= pCtx->iPOC;
+    pCtx->pDecPic->iPictureType = pCtx->eSliceType;
+    pCtx->pDecPic->iFramePoc    = pCtx->iPOC;
 
     WelsInitCurrentLayer (pCtx, iCurWidth, iCurHeight);
 
@@ -3881,18 +3879,18 @@
                                             && (pCtx->iNumRef0 > 0)) ? pCtx->pRefList0[0] : NULL,
                                             iCurDid, (pCtx->eSliceType == P_SLICE) && pSvcParam->bEnableBackgroundDetection);
     WelsUpdateRefSyntax (pCtx,  pCtx->iPOC,
-                         eFrameType);	//get reordering syntax used for writing slice header and transmit to encoder.
-    PrefetchReferencePicture (pCtx, eFrameType);	// update reference picture for current pDq layer
+                         eFrameType); //get reordering syntax used for writing slice header and transmit to encoder.
+    PrefetchReferencePicture (pCtx, eFrameType); // update reference picture for current pDq layer
 
     pCtx->pFuncList->pfRc.pfWelsRcPictureInit (pCtx, pSrcPic->uiTimeStamp);
-    PreprocessSliceCoding (pCtx);	// MUST be called after pfWelsRcPictureInit() and WelsInitCurrentLayer()
+    PreprocessSliceCoding (pCtx); // MUST be called after pfWelsRcPictureInit() and WelsInitCurrentLayer()
 
     //TODO Complexity Calculation here for screen content
-    iLayerSize	= 0;
+    iLayerSize = 0;
 
-    if (SM_SINGLE_SLICE == pParam->sSliceCfg.uiSliceMode) {	// only one slice within a sQualityStat layer
+    if (SM_SINGLE_SLICE == pParam->sSliceCfg.uiSliceMode) { // only one slice within a sQualityStat layer
       int32_t iSliceSize = 0;
-      int32_t iPayloadSize	= 0;
+      int32_t iPayloadSize = 0;
 
       if (pCtx->bNeedPrefixNalFlag) {
         pCtx->iEncoderError = AddPrefixNal (pCtx, pLayerBsInfo, &pLayerBsInfo->pNalLengthInByte[0], &iNalIdxInLayer, eNalType,
@@ -3918,12 +3916,12 @@
       iSliceSize = pLayerBsInfo->pNalLengthInByte[iNalIdxInLayer];
 
       iLayerSize += iSliceSize;
-      pCtx->iPosBsBuffer	+= iSliceSize;
-      pLayerBsInfo->uiLayerType		= VIDEO_CODING_LAYER;
-      pLayerBsInfo->uiSpatialId		= iCurDid;
-      pLayerBsInfo->uiTemporalId	= iCurTid;
-      pLayerBsInfo->uiQualityId		= 0;
-      pLayerBsInfo->iNalCount		= ++ iNalIdxInLayer;
+      pCtx->iPosBsBuffer               += iSliceSize;
+      pLayerBsInfo->uiLayerType         = VIDEO_CODING_LAYER;
+      pLayerBsInfo->uiSpatialId         = iCurDid;
+      pLayerBsInfo->uiTemporalId        = iCurTid;
+      pLayerBsInfo->uiQualityId         = 0;
+      pLayerBsInfo->iNalCount           = ++ iNalIdxInLayer;
     }
     // for dynamic slicing single threading..
     else if ((SM_DYN_SLICE == pParam->sSliceCfg.uiSliceMode) && (pSvcParam->iMultipleThreadIdc <= 1)) {
@@ -3936,8 +3934,8 @@
       int32_t iRet = 0;
       // THREAD_FULLY_FIRE_MODE/THREAD_PICK_UP_MODE for any mode of non-SM_DYN_SLICE
       if ((SM_DYN_SLICE != pParam->sSliceCfg.uiSliceMode) && (pSvcParam->iMultipleThreadIdc > 1)) {
-        iSliceCount	= GetCurrentSliceNum (pCtx->pCurDqLayer->pSliceEncCtx);
-        if (iLayerNum + 1 >= MAX_LAYER_NUM_OF_FRAME) {	// check available layer_bs_info for further writing as followed
+        iSliceCount = GetCurrentSliceNum (pCtx->pCurDqLayer->pSliceEncCtx);
+        if (iLayerNum + 1 >= MAX_LAYER_NUM_OF_FRAME) { // check available layer_bs_info for further writing as followed
           WelsLog (pLogCtx, WELS_LOG_ERROR,
                    "WelsEncoderEncodeExt(), iLayerNum(%d) overflow(max:%d) at iDid= %d uiSliceMode= %d, iSliceCount= %d!",
                    iLayerNum, MAX_LAYER_NUM_OF_FRAME, iCurDid, pParam->sSliceCfg.uiSliceMode, iSliceCount);
@@ -3950,12 +3948,12 @@
           return ENC_RETURN_UNEXPECTED;
         }
 
-        if (pSvcParam->iCountThreadsNum >= iSliceCount) {	//THREAD_FULLY_FIRE_MODE
+        if (pSvcParam->iCountThreadsNum >= iSliceCount) {       //THREAD_FULLY_FIRE_MODE
 #if defined(MT_DEBUG)
           int64_t t_bs_append = 0;
 #endif
 
-          pCtx->iActiveThreadsNum	= iSliceCount;
+          pCtx->iActiveThreadsNum = iSliceCount;
           // to fire slice coding threads
           iRet = FiredSliceThreads (pCtx, &pCtx->pSliceThreading->pThreadPEncCtx[0],
                                     &pCtx->pSliceThreading->pReadySliceCodingEvent[0],
@@ -3988,14 +3986,14 @@
                      t_bs_append, pCtx->iCodingIndex, iCurDid, 0);
           }
 #endif//MT_DEBUG
-        } else {	//THREAD_PICK_UP_MODE
+        } else { //THREAD_PICK_UP_MODE
           int32_t iNumThreadsRunning = 0;
           int32_t iNumThreadsScheduled = 0;
           int32_t iIndexOfSliceToBeCoded = 0;
 
-          pCtx->iActiveThreadsNum	= pSvcParam->iCountThreadsNum;
-          iNumThreadsScheduled	= pCtx->iActiveThreadsNum;
-          iNumThreadsRunning		= iNumThreadsScheduled;
+          pCtx->iActiveThreadsNum   = pSvcParam->iCountThreadsNum;
+          iNumThreadsScheduled      = pCtx->iActiveThreadsNum;
+          iNumThreadsRunning        = iNumThreadsScheduled;
           // to fire slice coding threads
           iRet = FiredSliceThreads (pCtx, &pCtx->pSliceThreading->pThreadPEncCtx[0],
                                     &pCtx->pSliceThreading->pReadySliceCodingEvent[0],
@@ -4012,8 +4010,8 @@
           while (1) {
             if (iIndexOfSliceToBeCoded >= iSliceCount && iNumThreadsRunning <= 0)
               break;
-            WELS_THREAD_ERROR_CODE lwait	= 0;
-            int32_t iEventId				= -1;
+            WELS_THREAD_ERROR_CODE lwait = 0;
+            int32_t iEventId = -1;
 
             lwait = WelsMultipleEventsWaitSingleBlocking (iNumThreadsScheduled,
                     &pCtx->pSliceThreading->pSliceCodedEvent[0],
@@ -4023,12 +4021,12 @@
               if (iIndexOfSliceToBeCoded < iSliceCount) {
                 // pick up succeeding slice for threading
                 // thread_id equal to iEventId per implementation here
-                pCtx->pSliceThreading->pThreadPEncCtx[iEventId].iSliceIndex	= iIndexOfSliceToBeCoded;
+                pCtx->pSliceThreading->pThreadPEncCtx[iEventId].iSliceIndex = iIndexOfSliceToBeCoded;
                 WelsEventSignal (&pCtx->pSliceThreading->pReadySliceCodingEvent[iEventId]);
                 WelsEventSignal (&pCtx->pSliceThreading->pThreadMasterEvent[iEventId]);
 
                 ++ iIndexOfSliceToBeCoded;
-              } else {	// no other slices left for coding
+              } else { // no other slices left for coding
                 -- iNumThreadsRunning;
               }
             }
@@ -4041,7 +4039,7 @@
       }
       // THREAD_FULLY_FIRE_MODE && SM_DYN_SLICE
       else if ((SM_DYN_SLICE == pParam->sSliceCfg.uiSliceMode) && (pSvcParam->iMultipleThreadIdc > 1)) {
-        const int32_t kiPartitionCnt	= pCtx->iActiveThreadsNum; //pSvcParam->iCountThreadsNum;
+        const int32_t kiPartitionCnt = pCtx->iActiveThreadsNum; //pSvcParam->iCountThreadsNum;
 
         // to fire slice coding threads
         iRet = FiredSliceThreads (pCtx, &pCtx->pSliceThreading->pThreadPEncCtx[0],
@@ -4060,14 +4058,14 @@
         WELS_VERIFY_RETURN_IFNEQ (pCtx->iEncoderError, ENC_RETURN_SUCCESS)
 
         iLayerSize = AppendSliceToFrameBs (pCtx, pLayerBsInfo, kiPartitionCnt);
-      } else {	// for non-dynamic-slicing mode single threading branch..
-        const bool bNeedPrefix	= pCtx->bNeedPrefixNalFlag;
-        int32_t iSliceIdx			= 0;
+      } else { // for non-dynamic-slicing mode single threading branch..
+        const bool bNeedPrefix = pCtx->bNeedPrefixNalFlag;
+        int32_t iSliceIdx = 0;
 
-        iSliceCount	= GetCurrentSliceNum (pCtx->pCurDqLayer->pSliceEncCtx);
+        iSliceCount = GetCurrentSliceNum (pCtx->pCurDqLayer->pSliceEncCtx);
         while (iSliceIdx < iSliceCount) {
-          int32_t iSliceSize	= 0;
-          int32_t iPayloadSize	= 0;
+          int32_t iSliceSize    = 0;
+          int32_t iPayloadSize  = 0;
           if (bNeedPrefix) {
             pCtx->iEncoderError = AddPrefixNal (pCtx, pLayerBsInfo, &pLayerBsInfo->pNalLengthInByte[0], &iNalIdxInLayer, eNalType,
                                                 eNalRefIdc,
@@ -4089,8 +4087,8 @@
           WELS_VERIFY_RETURN_IFNEQ (pCtx->iEncoderError, ENC_RETURN_SUCCESS)
           iSliceSize = pLayerBsInfo->pNalLengthInByte[iNalIdxInLayer];
 
-          pCtx->iPosBsBuffer	+= iSliceSize;
-          iLayerSize	+= iSliceSize;
+          pCtx->iPosBsBuffer += iSliceSize;
+          iLayerSize         += iSliceSize;
 
 #if defined(SLICE_INFO_OUTPUT)
           fprintf (stderr,
@@ -4104,11 +4102,11 @@
           ++ iSliceIdx;
         }
 
-        pLayerBsInfo->uiLayerType		= VIDEO_CODING_LAYER;
-        pLayerBsInfo->uiSpatialId		= iCurDid;
-        pLayerBsInfo->uiTemporalId	= iCurTid;
-        pLayerBsInfo->uiQualityId		= 0;
-        pLayerBsInfo->iNalCount		= iNalIdxInLayer;
+        pLayerBsInfo->uiLayerType       = VIDEO_CODING_LAYER;
+        pLayerBsInfo->uiSpatialId       = iCurDid;
+        pLayerBsInfo->uiTemporalId      = iCurTid;
+        pLayerBsInfo->uiQualityId       = 0;
+        pLayerBsInfo->iNalCount         = iNalIdxInLayer;
       }
     }
 
@@ -4162,19 +4160,19 @@
 #endif//ENABLE_FRAME_DUMP
 
 #if defined(ENABLE_PSNR_CALC)
-    fSnrY	= WelsCalcPsnr (fsnr->pData[0],
+    fSnrY = WelsCalcPsnr (fsnr->pData[0],
                           fsnr->iLineSize[0],
                           pEncPic->pData[0],
                           pEncPic->iLineSize[0],
                           iCurWidth,
                           iCurHeight);
-    fSnrU	= WelsCalcPsnr (fsnr->pData[1],
+    fSnrU = WelsCalcPsnr (fsnr->pData[1],
                           fsnr->iLineSize[1],
                           pEncPic->pData[1],
                           pEncPic->iLineSize[1],
                           (iCurWidth >> 1),
                           (iCurHeight >> 1));
-    fSnrV	= WelsCalcPsnr (fsnr->pData[2],
+    fSnrV = WelsCalcPsnr (fsnr->pData[2],
                           fsnr->iLineSize[2],
                           pEncPic->pData[2],
                           pEncPic->iLineSize[2],
@@ -4202,9 +4200,9 @@
 
 #if defined(ENABLE_PSNR_CALC)
     {
-      pCtx->sStatData[iCurDid][0].sQualityStat.rYPsnr[pCtx->eSliceType]	+= fSnrY;
-      pCtx->sStatData[iCurDid][0].sQualityStat.rUPsnr[pCtx->eSliceType]	+= fSnrU;
-      pCtx->sStatData[iCurDid][0].sQualityStat.rVPsnr[pCtx->eSliceType]	+= fSnrV;
+      pCtx->sStatData[iCurDid][0].sQualityStat.rYPsnr[pCtx->eSliceType] += fSnrY;
+      pCtx->sStatData[iCurDid][0].sQualityStat.rUPsnr[pCtx->eSliceType] += fSnrU;
+      pCtx->sStatData[iCurDid][0].sQualityStat.rVPsnr[pCtx->eSliceType] += fSnrV;
     }
 #endif//ENABLE_PSNR_CALC
 
@@ -4232,8 +4230,8 @@
 
 #endif//MB_TYPES_CHECK
     {
-      ++ pCtx->sStatData[iCurDid][0].sSliceData.iSliceCount[pCtx->eSliceType];	// for multiple slices coding
-      pCtx->sStatData[iCurDid][0].sSliceData.iSliceSize[pCtx->eSliceType]	+= (iLayerSize << 3);	// bits
+      ++ pCtx->sStatData[iCurDid][0].sSliceData.iSliceCount[pCtx->eSliceType]; // for multiple slices coding
+      pCtx->sStatData[iCurDid][0].sSliceData.iSliceSize[pCtx->eSliceType] += (iLayerSize << 3); // bits
     }
 #endif//STAT_OUTPUT
 
@@ -4241,7 +4239,7 @@
     ++ iLayerNum;
     ++ pLayerBsInfo;
 
-    pLayerBsInfo->pBsBuf	= pCtx->pFrameBs + pCtx->iPosBsBuffer;
+    pLayerBsInfo->pBsBuf = pCtx->pFrameBs + pCtx->iPosBsBuffer;
     pLayerBsInfo->pNalLengthInByte = (pLayerBsInfo - 1)->pNalLengthInByte + iCountNal;
 
     if (pSvcParam->iPaddingFlag && pCtx->pWelsSvcRc[pCtx->uiDependencyId].iPaddingSize > 0) {
@@ -4261,14 +4259,14 @@
 
       pCtx->pWelsSvcRc[pCtx->uiDependencyId].iPaddingSize = 0;
 
-      pLayerBsInfo->uiSpatialId		= 0;
-      pLayerBsInfo->uiTemporalId	= 0;
-      pLayerBsInfo->uiQualityId		= 0;
-      pLayerBsInfo->uiLayerType		= NON_VIDEO_CODING_LAYER;
-      pLayerBsInfo->iNalCount		= 1;
+      pLayerBsInfo->uiSpatialId         = 0;
+      pLayerBsInfo->uiTemporalId        = 0;
+      pLayerBsInfo->uiQualityId         = 0;
+      pLayerBsInfo->uiLayerType         = NON_VIDEO_CODING_LAYER;
+      pLayerBsInfo->iNalCount           = 1;
       pLayerBsInfo->pNalLengthInByte[0] = iPaddingNalSize;
       ++ pLayerBsInfo;
-      pLayerBsInfo->pBsBuf	= pCtx->pFrameBs + pCtx->iPosBsBuffer;
+      pLayerBsInfo->pBsBuf           = pCtx->pFrameBs + pCtx->iPosBsBuffer;
       pLayerBsInfo->pNalLengthInByte = (pLayerBsInfo - 1)->pNalLengthInByte + 1;
       ++ iLayerNum;
 
@@ -4322,7 +4320,7 @@
 
 #ifdef ENABLE_FRAME_DUMP
   DumpRecFrame (fsnr, &pSvcParam->sDependencyLayers[pSvcParam->iSpatialLayerNum - 1].sRecFileName[0],
-                pSvcParam->iSpatialLayerNum - 1, pCtx->bRecFlag, pCtx->pCurDqLayer);	// pDecPic: final reconstruction output
+                pSvcParam->iSpatialLayerNum - 1, pCtx->bRecFlag, pCtx->pCurDqLayer); // pDecPic: final reconstruction output
   pCtx->bRecFlag = true;
 
 #endif//ENABLE_FRAME_DUMP
@@ -4335,8 +4333,8 @@
   }
 
   ++ pCtx->iCodingIndex;
-  pCtx->eLastNalPriority	= eNalRefIdc;
-  pFbi->iLayerNum			= iLayerNum;
+  pCtx->eLastNalPriority = eNalRefIdc;
+  pFbi->iLayerNum = iLayerNum;
   pFbi->iSubSeqId = GetSubSequenceId (pCtx, eFrameType);
 
   WelsLog (pLogCtx, WELS_LOG_DEBUG, "WelsEncoderEncodeExt() OutputInfo iLayerNum = %d,iSubSeqId = %d,iFrameSize = %d",
@@ -4384,19 +4382,19 @@
  *          SVC adjustment results in new requirement in memory blocks adjustment
  */
 int32_t WelsEncoderParamAdjust (sWelsEncCtx** ppCtx, SWelsSvcCodingParam* pNewParam) {
-  SWelsSvcCodingParam* pOldParam		= NULL;
+  SWelsSvcCodingParam* pOldParam = NULL;
   int32_t iReturn = ENC_RETURN_SUCCESS;
   int8_t iIndexD = 0;
   bool bNeedReset = false;
-  int16_t iSliceNum				= 1;	// number of slices used
-  int32_t iCacheLineSize			= 16;	// on chip cache line size in byte
+  int16_t iSliceNum = 1; // number of slices used
+  int32_t iCacheLineSize = 16; // on chip cache line size in byte
   uint32_t uiCpuFeatureFlags = 0;
 
-  if (NULL == ppCtx || NULL == *ppCtx || NULL == pNewParam)	return 1;
+  if (NULL == ppCtx || NULL == *ppCtx || NULL == pNewParam) return 1;
 
   /* Check validation in new parameters */
-  iReturn	= ParamValidationExt (& (*ppCtx)->sLogCtx, pNewParam);
-  if (iReturn != ENC_RETURN_SUCCESS)	return iReturn;
+  iReturn = ParamValidationExt (& (*ppCtx)->sLogCtx, pNewParam);
+  if (iReturn != ENC_RETURN_SUCCESS) return iReturn;
 
   iReturn = GetMultipleThreadIdc (& (*ppCtx)->sLogCtx, pNewParam, iSliceNum, iCacheLineSize, uiCpuFeatureFlags);
   if (iReturn != ENC_RETURN_SUCCESS) {
@@ -4405,7 +4403,7 @@
     return iReturn;
   }
 
-  pOldParam	= (*ppCtx)->pSvcParam;
+  pOldParam = (*ppCtx)->pSvcParam;
 
   if (pOldParam->iUsageType != pNewParam->iUsageType) {
     WelsLog (& (*ppCtx)->sLogCtx, WELS_LOG_ERROR,
@@ -4416,7 +4414,7 @@
 
   /* Decide whether need reset for IDR frame based on adjusting prarameters changed */
   /* Temporal levels, spatial settings and/ or quality settings changed need update parameter sets related. */
-  bNeedReset	=	(pOldParam == NULL) ||
+  bNeedReset = (pOldParam == NULL) ||
                 (pOldParam->bSimulcastAVC != pNewParam->bSimulcastAVC) ||
                 (pOldParam->iSpatialLayerNum != pNewParam->iSpatialLayerNum) ||
                 (pOldParam->iPicWidth != pNewParam->iPicWidth
@@ -4433,12 +4431,12 @@
     bNeedReset = true;
   }
 
-  if (!bNeedReset) {	// Check its picture resolutions/quality settings respectively in each dependency layer
+  if (!bNeedReset) { // Check its picture resolutions/quality settings respectively in each dependency layer
     iIndexD = 0;
     assert (pOldParam->iSpatialLayerNum == pNewParam->iSpatialLayerNum);
     do {
-      const SSpatialLayerInternal* kpOldDlp	= &pOldParam->sDependencyLayers[iIndexD];
-      const SSpatialLayerInternal* kpNewDlp	= &pNewParam->sDependencyLayers[iIndexD];
+      const SSpatialLayerInternal* kpOldDlp     = &pOldParam->sDependencyLayers[iIndexD];
+      const SSpatialLayerInternal* kpNewDlp     = &pNewParam->sDependencyLayers[iIndexD];
       float fT1 = .0f;
       float fT2 = .0f;
 
@@ -4447,7 +4445,7 @@
           pOldParam->sSpatialLayers[iIndexD].iVideoHeight != pNewParam->sSpatialLayers[iIndexD].iVideoHeight ||
           kpOldDlp->iActualWidth != kpNewDlp->iActualWidth ||
           kpOldDlp->iActualHeight != kpNewDlp->iActualHeight) {
-        bNeedReset	= true;
+        bNeedReset = true;
         break;
       }
 
@@ -4455,7 +4453,7 @@
           ||
           pOldParam->sSpatialLayers[iIndexD].sSliceCfg.sSliceArgument.uiSliceNum !=
           pNewParam->sSpatialLayers[iIndexD].sSliceCfg.sSliceArgument.uiSliceNum) {
-        bNeedReset	= true;
+        bNeedReset = true;
         break;
       }
 
@@ -4555,21 +4553,21 @@
     }
   } else {
     /* maybe adjustment introduced in bitrate or little settings adjustment and so on.. */
-    pNewParam->iNumRefFrame								= WELS_CLIP3 (pNewParam->iNumRefFrame, MIN_REF_PIC_COUNT,
+    pNewParam->iNumRefFrame                     = WELS_CLIP3 (pNewParam->iNumRefFrame, MIN_REF_PIC_COUNT,
                                             (pNewParam->iUsageType == CAMERA_VIDEO_REAL_TIME ? MAX_REFERENCE_PICTURE_COUNT_NUM_CAMERA :
                                                 MAX_REFERENCE_PICTURE_COUNT_NUM_SCREEN));
-    pNewParam->iLoopFilterDisableIdc					= WELS_CLIP3 (pNewParam->iLoopFilterDisableIdc, 0, 6);
-    pNewParam->iLoopFilterAlphaC0Offset				= WELS_CLIP3 (pNewParam->iLoopFilterAlphaC0Offset, -6, 6);
-    pNewParam->iLoopFilterBetaOffset					= WELS_CLIP3 (pNewParam->iLoopFilterBetaOffset, -6, 6);
-    pNewParam->fMaxFrameRate							= WELS_CLIP3 (pNewParam->fMaxFrameRate, MIN_FRAME_RATE, MAX_FRAME_RATE);
+    pNewParam->iLoopFilterDisableIdc            = WELS_CLIP3 (pNewParam->iLoopFilterDisableIdc, 0, 6);
+    pNewParam->iLoopFilterAlphaC0Offset         = WELS_CLIP3 (pNewParam->iLoopFilterAlphaC0Offset, -6, 6);
+    pNewParam->iLoopFilterBetaOffset            = WELS_CLIP3 (pNewParam->iLoopFilterBetaOffset, -6, 6);
+    pNewParam->fMaxFrameRate                    = WELS_CLIP3 (pNewParam->fMaxFrameRate, MIN_FRAME_RATE, MAX_FRAME_RATE);
 
     // we can not use direct struct based memcpy due some fields need keep unchanged as before
-    pOldParam->fMaxFrameRate	= pNewParam->fMaxFrameRate;		// maximal frame rate [Hz / fps]
-    pOldParam->iComplexityMode	= pNewParam->iComplexityMode;			// color space of input sequence
-    pOldParam->uiIntraPeriod		= pNewParam->uiIntraPeriod;		// intra period (multiple of GOP size as desired)
+    pOldParam->fMaxFrameRate    = pNewParam->fMaxFrameRate;             // maximal frame rate [Hz / fps]
+    pOldParam->iComplexityMode  = pNewParam->iComplexityMode;                   // color space of input sequence
+    pOldParam->uiIntraPeriod    = pNewParam->uiIntraPeriod;             // intra period (multiple of GOP size as desired)
     pOldParam->eSpsPpsIdStrategy = pNewParam->eSpsPpsIdStrategy;
     pOldParam->bPrefixNalAddingCtrl = pNewParam->bPrefixNalAddingCtrl;
-    pOldParam->iNumRefFrame		= pNewParam->iNumRefFrame;		// number of reference frame used
+    pOldParam->iNumRefFrame     = pNewParam->iNumRefFrame;              // number of reference frame used
     pOldParam->uiGopSize = pNewParam->uiGopSize;
     if (pOldParam->iTemporalLayerNum != pNewParam->iTemporalLayerNum) {
       pOldParam->iTemporalLayerNum = pNewParam->iTemporalLayerNum;
@@ -4577,60 +4575,60 @@
     }
     pOldParam->iDecompStages = pNewParam->iDecompStages;
     /* denoise control */
-    pOldParam->bEnableDenoise	= pNewParam->bEnableDenoise;
+    pOldParam->bEnableDenoise = pNewParam->bEnableDenoise;
 
     /* background detection control */
-    pOldParam->bEnableBackgroundDetection		= pNewParam->bEnableBackgroundDetection;
+    pOldParam->bEnableBackgroundDetection = pNewParam->bEnableBackgroundDetection;
 
     /* adaptive quantization control */
-    pOldParam->bEnableAdaptiveQuant	= pNewParam->bEnableAdaptiveQuant;
+    pOldParam->bEnableAdaptiveQuant = pNewParam->bEnableAdaptiveQuant;
 
     /* int32_t term reference control */
-    pOldParam->bEnableLongTermReference	= pNewParam->bEnableLongTermReference;
-    pOldParam->iLtrMarkPeriod	= pNewParam->iLtrMarkPeriod;
+    pOldParam->bEnableLongTermReference = pNewParam->bEnableLongTermReference;
+    pOldParam->iLtrMarkPeriod = pNewParam->iLtrMarkPeriod;
 
     // keep below values unchanged as before
-    pOldParam->bEnableSSEI		= pNewParam->bEnableSSEI;
-    pOldParam->bSimulcastAVC		= pNewParam->bSimulcastAVC;
-    pOldParam->bEnableFrameCroppingFlag	= pNewParam->bEnableFrameCroppingFlag;	// enable frame cropping flag
+    pOldParam->bEnableSSEI              = pNewParam->bEnableSSEI;
+    pOldParam->bSimulcastAVC            = pNewParam->bSimulcastAVC;
+    pOldParam->bEnableFrameCroppingFlag = pNewParam->bEnableFrameCroppingFlag;  // enable frame cropping flag
 
     /* Motion search */
 
     /* Deblocking loop filter */
-    pOldParam->iLoopFilterDisableIdc	= pNewParam->iLoopFilterDisableIdc;	// 0: on, 1: off, 2: on except for slice boundaries
-    pOldParam->iLoopFilterAlphaC0Offset	= pNewParam->iLoopFilterAlphaC0Offset;// AlphaOffset: valid range [-6, 6], default 0
-    pOldParam->iLoopFilterBetaOffset		= pNewParam->iLoopFilterBetaOffset;	// BetaOffset:	valid range [-6, 6], default 0
+    pOldParam->iLoopFilterDisableIdc    = pNewParam->iLoopFilterDisableIdc;     // 0: on, 1: off, 2: on except for slice boundaries
+    pOldParam->iLoopFilterAlphaC0Offset = pNewParam->iLoopFilterAlphaC0Offset;// AlphaOffset: valid range [-6, 6], default 0
+    pOldParam->iLoopFilterBetaOffset    = pNewParam->iLoopFilterBetaOffset;     // BetaOffset:  valid range [-6, 6], default 0
 
     /* Rate Control */
-    pOldParam->iRCMode	    	= pNewParam->iRCMode;
-    pOldParam->iTargetBitrate	= pNewParam->iTargetBitrate;			// overall target bitrate introduced in RC module
-    pOldParam->iPaddingFlag	    = pNewParam->iPaddingFlag;
+    pOldParam->iRCMode          = pNewParam->iRCMode;
+    pOldParam->iTargetBitrate   = pNewParam->iTargetBitrate;                    // overall target bitrate introduced in RC module
+    pOldParam->iPaddingFlag     = pNewParam->iPaddingFlag;
 
     /* Layer definition */
-    pOldParam->bPrefixNalAddingCtrl	= pNewParam->bPrefixNalAddingCtrl;
+    pOldParam->bPrefixNalAddingCtrl = pNewParam->bPrefixNalAddingCtrl;
 
     // d
     iIndexD = 0;
     do {
-      SSpatialLayerInternal* pOldDlpInternal	= &pOldParam->sDependencyLayers[iIndexD];
-      SSpatialLayerInternal* pNewDlpInternal	= &pNewParam->sDependencyLayers[iIndexD];
+      SSpatialLayerInternal* pOldDlpInternal    = &pOldParam->sDependencyLayers[iIndexD];
+      SSpatialLayerInternal* pNewDlpInternal    = &pNewParam->sDependencyLayers[iIndexD];
 
-      SSpatialLayerConfig* pOldDlp	= &pOldParam->sSpatialLayers[iIndexD];
-      SSpatialLayerConfig* pNewDlp	= &pNewParam->sSpatialLayers[iIndexD];
+      SSpatialLayerConfig* pOldDlp      = &pOldParam->sSpatialLayers[iIndexD];
+      SSpatialLayerConfig* pNewDlp      = &pNewParam->sSpatialLayers[iIndexD];
 
-      pOldDlpInternal->fInputFrameRate	= pNewDlpInternal->fInputFrameRate;	// input frame rate
-      pOldDlpInternal->fOutputFrameRate	= pNewDlpInternal->fOutputFrameRate;	// output frame rate
-      pOldDlp->iSpatialBitrate	= pNewDlp->iSpatialBitrate;
+      pOldDlpInternal->fInputFrameRate  = pNewDlpInternal->fInputFrameRate;     // input frame rate
+      pOldDlpInternal->fOutputFrameRate = pNewDlpInternal->fOutputFrameRate;    // output frame rate
+      pOldDlp->iSpatialBitrate          = pNewDlp->iSpatialBitrate;
 
-      pOldDlp->uiProfileIdc		= pNewDlp->uiProfileIdc;			// value of profile IDC (0 for auto-detection)
-      pOldDlp->iDLayerQp		= pNewDlp->iDLayerQp;
+      pOldDlp->uiProfileIdc             = pNewDlp->uiProfileIdc;                        // value of profile IDC (0 for auto-detection)
+      pOldDlp->iDLayerQp                = pNewDlp->iDLayerQp;
 
       /* Derived variants below */
-      pOldDlpInternal->iTemporalResolution	= pNewDlpInternal->iTemporalResolution;
-      pOldDlpInternal->iDecompositionStages	= pNewDlpInternal->iDecompositionStages;
+      pOldDlpInternal->iTemporalResolution      = pNewDlpInternal->iTemporalResolution;
+      pOldDlpInternal->iDecompositionStages     = pNewDlpInternal->iDecompositionStages;
 
       memcpy (pOldDlpInternal->uiCodingIdx2TemporalId, pNewDlpInternal->uiCodingIdx2TemporalId,
-              sizeof (pOldDlpInternal->uiCodingIdx2TemporalId));	// confirmed_safe_unsafe_usage
+              sizeof (pOldDlpInternal->uiCodingIdx2TemporalId)); // confirmed_safe_unsafe_usage
 
       ++ iIndexD;
     } while (iIndexD < pOldParam->iSpatialLayerNum);
@@ -4642,13 +4640,13 @@
 }
 
 int32_t WelsEncoderApplyLTR (SLogContext* pLogCtx, sWelsEncCtx** ppCtx, SLTRConfig* pLTRValue) {
-  SWelsSvcCodingParam	sConfig;
+  SWelsSvcCodingParam sConfig;
   int32_t iNumRefFrame = 1;
   int32_t iRet = 0;
   memcpy (&sConfig, (*ppCtx)->pSvcParam, sizeof (SWelsSvcCodingParam));
   sConfig.bEnableLongTermReference = pLTRValue->bEnableLongTermReference;
   sConfig.iLTRRefNum = pLTRValue->iLTRRefNum;
-  int32_t uiGopSize			= 1 << (sConfig.iTemporalLayerNum - 1);
+  int32_t uiGopSize = 1 << (sConfig.iTemporalLayerNum - 1);
   if (sConfig.iUsageType == SCREEN_CONTENT_REAL_TIME) {
     if (sConfig.bEnableLongTermReference) {
       sConfig.iLTRRefNum = LONG_TERM_REF_NUM_SCREEN;//WELS_CLIP3 (sConfig.iLTRRefNum, 1, LONG_TERM_REF_NUM_SCREEN);
@@ -4663,9 +4661,9 @@
     } else {
       sConfig.iLTRRefNum = 0;
     }
-    iNumRefFrame		= ((uiGopSize >> 1) > 1) ? ((uiGopSize >> 1) + sConfig.iLTRRefNum) : (MIN_REF_PIC_COUNT +
+    iNumRefFrame = ((uiGopSize >> 1) > 1) ? ((uiGopSize >> 1) + sConfig.iLTRRefNum) : (MIN_REF_PIC_COUNT +
                       sConfig.iLTRRefNum);
-    iNumRefFrame		= WELS_CLIP3 (iNumRefFrame, MIN_REF_PIC_COUNT, MAX_REFERENCE_PICTURE_COUNT_NUM_CAMERA);
+    iNumRefFrame = WELS_CLIP3 (iNumRefFrame, MIN_REF_PIC_COUNT, MAX_REFERENCE_PICTURE_COUNT_NUM_CAMERA);
 
   }
   if (iNumRefFrame > sConfig.iMaxNumRefFrame) {
@@ -4804,17 +4802,17 @@
   memcpy (pSlcingOverRc, pCtx->pWelsSvcRc[kiCurDid].pSlicingOverRc, sizeof (SRCSlicing) * iMaxSliceNumOld);
   uiSliceIdx = iMaxSliceNumOld;
   SRCSlicing* pSORC = &pSlcingOverRc[uiSliceIdx];
-  const int32_t kiBitsPerMb		= WELS_DIV_ROUND (pCtx->pWelsSvcRc[kiCurDid].iTargetBits * INT_MULTIPLY,
+  const int32_t kiBitsPerMb = WELS_DIV_ROUND (pCtx->pWelsSvcRc[kiCurDid].iTargetBits * INT_MULTIPLY,
                                 pCtx->pWelsSvcRc[kiCurDid].iNumberMbFrame);
   while (uiSliceIdx < iMaxSliceNum) {
     pSORC->iComplexityIndexSlice = 0;
     pSORC->iCalculatedQpSlice = pCtx->iGlobalQp;
-    pSORC->iTotalQpSlice	= 0;
-    pSORC->iTotalMbSlice	= 0;
+    pSORC->iTotalQpSlice    = 0;
+    pSORC->iTotalMbSlice    = 0;
     pSORC->iTargetBitsSlice = WELS_DIV_ROUND (kiBitsPerMb * pCurLayer->pSliceEncCtx->pCountMbNumInSlice[uiSliceIdx],
                               INT_MULTIPLY);
-    pSORC->iFrameBitsSlice	= 0;
-    pSORC->iGomBitsSlice	= 0;
+    pSORC->iFrameBitsSlice  = 0;
+    pSORC->iGomBitsSlice    = 0;
     pSORC ++;
     uiSliceIdx ++;
   }
@@ -4831,38 +4829,38 @@
                                  SLayerBSInfo* pLayerBsInfo,
                                  int32_t* pNalIdxInLayer,
                                  int32_t* pLayerSize,
-                                 int32_t iFirstMbInPartition,	// first mb inclusive in partition
-                                 int32_t iEndMbInPartition,	// end mb exclusive in partition
+                                 int32_t iFirstMbInPartition,   // first mb inclusive in partition
+                                 int32_t iEndMbInPartition,     // end mb exclusive in partition
                                  int32_t iStartSliceIdx
                                 ) {
 
-  SDqLayer* pCurLayer			= pCtx->pCurDqLayer;
-  SSliceCtx* pSliceCtx		= pCurLayer->pSliceEncCtx;
-  int32_t iNalIdxInLayer		= *pNalIdxInLayer;
-  int32_t iSliceIdx				= iStartSliceIdx;
-  const int32_t kiSliceStep		= pCtx->iActiveThreadsNum;
-  const int32_t kiPartitionId		= iStartSliceIdx % kiSliceStep;
-  int32_t iPartitionBsSize		= 0;
-  int32_t iAnyMbLeftInPartition = iEndMbInPartition - iFirstMbInPartition;
-  const EWelsNalUnitType keNalType	= pCtx->eNalType;
-  const EWelsNalRefIdc keNalRefIdc	= pCtx->eNalPriority;
-  const bool kbNeedPrefix		= pCtx->bNeedPrefixNalFlag;
-  const int32_t kiSliceIdxStep = pCtx->iActiveThreadsNum;
+  SDqLayer* pCurLayer                   = pCtx->pCurDqLayer;
+  SSliceCtx* pSliceCtx                  = pCurLayer->pSliceEncCtx;
+  int32_t iNalIdxInLayer                = *pNalIdxInLayer;
+  int32_t iSliceIdx                     = iStartSliceIdx;
+  const int32_t kiSliceStep             = pCtx->iActiveThreadsNum;
+  const int32_t kiPartitionId           = iStartSliceIdx % kiSliceStep;
+  int32_t iPartitionBsSize              = 0;
+  int32_t iAnyMbLeftInPartition         = iEndMbInPartition - iFirstMbInPartition;
+  const EWelsNalUnitType keNalType      = pCtx->eNalType;
+  const EWelsNalRefIdc keNalRefIdc      = pCtx->eNalPriority;
+  const bool kbNeedPrefix               = pCtx->bNeedPrefixNalFlag;
+  const int32_t kiSliceIdxStep          = pCtx->iActiveThreadsNum;
   int32_t iReturn = ENC_RETURN_SUCCESS;
 
   //init
   {
-    pSliceCtx->pFirstMbInSlice[iSliceIdx]		= iFirstMbInPartition;
-    pCurLayer->pNumSliceCodedOfPartition[kiPartitionId]	= 1;	// one slice per partition intialized, dynamic slicing inside
-    pCurLayer->pLastMbIdxOfPartition[kiPartitionId]		= iEndMbInPartition - 1;
+    pSliceCtx->pFirstMbInSlice[iSliceIdx]               = iFirstMbInPartition;
+    pCurLayer->pNumSliceCodedOfPartition[kiPartitionId] = 1;    // one slice per partition intialized, dynamic slicing inside
+    pCurLayer->pLastMbIdxOfPartition[kiPartitionId]     = iEndMbInPartition - 1;
   }
   pCurLayer->pLastCodedMbIdxOfPartition[kiPartitionId] = 0;
 
   while (iAnyMbLeftInPartition > 0) {
-    int32_t iSliceSize	= 0;
-    int32_t iPayloadSize	= 0;
+    int32_t iSliceSize      = 0;
+    int32_t iPayloadSize    = 0;
 
-    if (iSliceIdx >= (pSliceCtx->iMaxSliceNumConstraint - kiSliceIdxStep)) {	// insufficient memory in pSliceInLayer[]
+    if (iSliceIdx >= (pSliceCtx->iMaxSliceNumConstraint - kiSliceIdxStep)) { // insufficient memory in pSliceInLayer[]
       if (pCtx->iActiveThreadsNum == 1) {
         //only single thread support re-alloc now
         if (DynSliceRealloc (pCtx, pFrameBSInfo, pLayerBsInfo)) {
@@ -4898,8 +4896,8 @@
     WELS_VERIFY_RETURN_IFNEQ (iReturn, ENC_RETURN_SUCCESS)
     iSliceSize = pLayerBsInfo->pNalLengthInByte[iNalIdxInLayer];
 
-    pCtx->iPosBsBuffer	+= iSliceSize;
-    iPartitionBsSize	+= iSliceSize;
+    pCtx->iPosBsBuffer  += iSliceSize;
+    iPartitionBsSize    += iSliceSize;
 
 #if defined(SLICE_INFO_OUTPUT)
     fprintf (stderr,
@@ -4911,19 +4909,19 @@
 #endif//SLICE_INFO_OUTPUT
 
     ++ iNalIdxInLayer;
-    iSliceIdx += kiSliceStep;	//if uiSliceIdx is not continuous
+    iSliceIdx += kiSliceStep; //if uiSliceIdx is not continuous
     iAnyMbLeftInPartition = iEndMbInPartition - (1 + pCurLayer->pLastCodedMbIdxOfPartition[kiPartitionId]);
   }
 
-  *pLayerSize			= iPartitionBsSize;
-  *pNalIdxInLayer	= iNalIdxInLayer;
+  *pLayerSize           = iPartitionBsSize;
+  *pNalIdxInLayer       = iNalIdxInLayer;
 
   // slice based packing???
-  pLayerBsInfo->uiLayerType		= VIDEO_CODING_LAYER;
-  pLayerBsInfo->uiSpatialId		= pCtx->uiDependencyId;
-  pLayerBsInfo->uiTemporalId	= pCtx->uiTemporalId;
-  pLayerBsInfo->uiQualityId		= 0;
-  pLayerBsInfo->iNalCount		= iNalIdxInLayer;
+  pLayerBsInfo->uiLayerType     = VIDEO_CODING_LAYER;
+  pLayerBsInfo->uiSpatialId     = pCtx->uiDependencyId;
+  pLayerBsInfo->uiTemporalId    = pCtx->uiTemporalId;
+  pLayerBsInfo->uiQualityId     = 0;
+  pLayerBsInfo->iNalCount       = iNalIdxInLayer;
 
   return ENC_RETURN_SUCCESS;
 }
--- a/codec/encoder/core/src/get_intra_predictor.cpp
+++ b/codec/encoder/core/src/get_intra_predictor.cpp
@@ -95,7 +95,7 @@
   const uint8_t kuiVec2[4] = {kuiHor2, kuiHor2, kuiHor2, kuiHor2};
   const uint8_t kuiVec3[4] = {kuiHor3, kuiHor3, kuiHor3, kuiHor3};
   const uint8_t kuiVec4[4] = {kuiHor4, kuiHor4, kuiHor4, kuiHor4};
-  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16)	// TobeCont'd about assign opt as follows
+  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16) // TobeCont'd about assign opt as follows
   ST32 (&uiSrc[0], LD32 (kuiVec1));
   ST32 (&uiSrc[4], LD32 (kuiVec2));
   ST32 (&uiSrc[8], LD32 (kuiVec3));
@@ -104,8 +104,7 @@
   WelsFillingPred8x2to16 (pPred, uiSrc);
 }
 void WelsI4x4LumaPredDc_c (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) {
-  const uint8_t kuiDcValue	= (pRef[-1] + pRef[kiStride - 1] + pRef[ (kiStride << 1) - 1] + pRef[ (kiStride << 1) +
-                               kiStride - 1] +
+  const uint8_t kuiDcValue = (pRef[-1] + pRef[kiStride - 1] + pRef[ (kiStride << 1) - 1] + pRef[ (kiStride << 1) + kiStride - 1] +
                                pRef[-kiStride] + pRef[1 - kiStride] + pRef[2 - kiStride] + pRef[3 - kiStride] + 4) >> 3;
 
   WelsFillingPred1to16 (pPred, kuiDcValue);
@@ -112,7 +111,7 @@
 }
 
 void WelsI4x4LumaPredDcLeft_c (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) {
-  const uint8_t kuiDcValue	= (pRef[-1] + pRef[kiStride - 1] + pRef[ (kiStride << 1) - 1] + pRef[ (kiStride << 1) +
+  const uint8_t kuiDcValue = (pRef[-1] + pRef[kiStride - 1] + pRef[ (kiStride << 1) - 1] + pRef[ (kiStride << 1) +
                                kiStride - 1] + 2) >> 2;
 
   WelsFillingPred1to16 (pPred, kuiDcValue);
@@ -119,7 +118,7 @@
 }
 
 void WelsI4x4LumaPredDcTop_c (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) {
-  const uint8_t kuiDcValue	= (pRef[-kiStride] + pRef[1 - kiStride] + pRef[2 - kiStride] + pRef[3 - kiStride] + 2) >> 2;
+  const uint8_t kuiDcValue = (pRef[-kiStride] + pRef[1 - kiStride] + pRef[2 - kiStride] + pRef[3 - kiStride] + 2) >> 2;
 
   WelsFillingPred1to16 (pPred, kuiDcValue);
 }
@@ -133,22 +132,22 @@
 /*down pLeft*/
 void WelsI4x4LumaPredDDL_c (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) {
   /*get pTop*/
-  const uint8_t kuiT0		= pRef[-kiStride];
-  const uint8_t kuiT1		= pRef[1 - kiStride];
-  const uint8_t kuiT2		= pRef[2 - kiStride];
-  const uint8_t kuiT3		= pRef[3 - kiStride];
-  const uint8_t kuiT4		= pRef[4 - kiStride];
-  const uint8_t kuiT5		= pRef[5 - kiStride];
-  const uint8_t kuiT6		= pRef[6 - kiStride];
-  const uint8_t kuiT7		= pRef[7 - kiStride];
-  const uint8_t kuiDDL0	= (2 + kuiT0 + kuiT2 + (kuiT1 << 1)) >> 2;	// uiDDL0
-  const uint8_t kuiDDL1	= (2 + kuiT1 + kuiT3 + (kuiT2 << 1)) >> 2;	// uiDDL1
-  const uint8_t kuiDDL2	= (2 + kuiT2 + kuiT4 + (kuiT3 << 1)) >> 2;	// uiDDL2
-  const uint8_t kuiDDL3	= (2 + kuiT3 + kuiT5 + (kuiT4 << 1)) >> 2;	// uiDDL3
-  const uint8_t kuiDDL4	= (2 + kuiT4 + kuiT6 + (kuiT5 << 1)) >> 2;	// uiDDL4
-  const uint8_t kuiDDL5	= (2 + kuiT5 + kuiT7 + (kuiT6 << 1)) >> 2;	// uiDDL5
-  const uint8_t kuiDDL6	= (2 + kuiT6 + kuiT7 + (kuiT7 << 1)) >> 2;	// uiDDL6
-  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16)	// TobeCont'd about assign opt as follows
+  const uint8_t kuiT0   = pRef[-kiStride];
+  const uint8_t kuiT1   = pRef[1 - kiStride];
+  const uint8_t kuiT2   = pRef[2 - kiStride];
+  const uint8_t kuiT3   = pRef[3 - kiStride];
+  const uint8_t kuiT4   = pRef[4 - kiStride];
+  const uint8_t kuiT5   = pRef[5 - kiStride];
+  const uint8_t kuiT6   = pRef[6 - kiStride];
+  const uint8_t kuiT7   = pRef[7 - kiStride];
+  const uint8_t kuiDDL0 = (2 + kuiT0 + kuiT2 + (kuiT1 << 1)) >> 2;      // uiDDL0
+  const uint8_t kuiDDL1 = (2 + kuiT1 + kuiT3 + (kuiT2 << 1)) >> 2;      // uiDDL1
+  const uint8_t kuiDDL2 = (2 + kuiT2 + kuiT4 + (kuiT3 << 1)) >> 2;      // uiDDL2
+  const uint8_t kuiDDL3 = (2 + kuiT3 + kuiT5 + (kuiT4 << 1)) >> 2;      // uiDDL3
+  const uint8_t kuiDDL4 = (2 + kuiT4 + kuiT6 + (kuiT5 << 1)) >> 2;      // uiDDL4
+  const uint8_t kuiDDL5 = (2 + kuiT5 + kuiT7 + (kuiT6 << 1)) >> 2;      // uiDDL5
+  const uint8_t kuiDDL6 = (2 + kuiT6 + kuiT7 + (kuiT7 << 1)) >> 2;      // uiDDL6
+  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16) // TobeCont'd about assign opt as follows
   uiSrc[0] = kuiDDL0;
   uiSrc[1] = uiSrc[4] = kuiDDL1;
   uiSrc[2] = uiSrc[5] = uiSrc[8] = kuiDDL2;
@@ -163,15 +162,15 @@
 /*down pLeft*/
 void WelsI4x4LumaPredDDLTop_c (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) {
   /*get pTop*/
-  const uint8_t kuiT0	= pRef[-kiStride];
-  const uint8_t kuiT1	= pRef[1 - kiStride];
-  const uint8_t kuiT2	= pRef[2 - kiStride];
-  const uint8_t kuiT3	= pRef[3 - kiStride];
-  const uint8_t kuiDLT0	= (2 + kuiT0 + kuiT2 + (kuiT1 << 1)) >> 2;	// uiDLT0
-  const uint8_t kuiDLT1	= (2 + kuiT1 + kuiT3 + (kuiT2 << 1)) >> 2;	// uiDLT1
-  const uint8_t kuiDLT2	= (2 + kuiT2 + kuiT3 + (kuiT3 << 1)) >> 2;	// uiDLT2
-  const uint8_t kuiDLT3	= (2 + (kuiT3 << 2)) >> 2;				// uiDLT3
-  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16)	// TobeCont'd about assign opt as follows
+  const uint8_t kuiT0   = pRef[-kiStride];
+  const uint8_t kuiT1   = pRef[1 - kiStride];
+  const uint8_t kuiT2   = pRef[2 - kiStride];
+  const uint8_t kuiT3   = pRef[3 - kiStride];
+  const uint8_t kuiDLT0 = (2 + kuiT0 + kuiT2 + (kuiT1 << 1)) >> 2;      // uiDLT0
+  const uint8_t kuiDLT1 = (2 + kuiT1 + kuiT3 + (kuiT2 << 1)) >> 2;      // uiDLT1
+  const uint8_t kuiDLT2 = (2 + kuiT2 + kuiT3 + (kuiT3 << 1)) >> 2;      // uiDLT2
+  const uint8_t kuiDLT3 = (2 + (kuiT3 << 2)) >> 2;                      // uiDLT3
+  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16) // TobeCont'd about assign opt as follows
   memset (&uiSrc[6], kuiDLT3, 10 * sizeof (uint8_t));
   uiSrc[0] = kuiDLT0;
   uiSrc[1] = uiSrc[4] = kuiDLT1;
@@ -184,34 +183,34 @@
 
 /*down right*/
 void WelsI4x4LumaPredDDR_c (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) {
-  const int32_t kiStridex2	= kiStride << 1;
-  const int32_t kiStridex3	= kiStride + kiStridex2;
-  const uint8_t kuiLT			= pRef[-kiStride - 1];	// pTop-pLeft
+  const int32_t kiStridex2  = kiStride << 1;
+  const int32_t kiStridex3  = kiStride + kiStridex2;
+  const uint8_t kuiLT       = pRef[-kiStride - 1];  // pTop-pLeft
   /*get pLeft and pTop*/
-  const uint8_t kuiL0			= pRef[-1];
-  const uint8_t kuiL1			= pRef[kiStride - 1];
-  const uint8_t kuiL2			= pRef[kiStridex2 - 1];
-  const uint8_t kuiL3			= pRef[kiStridex3 - 1];
-  const uint8_t kuiT0			= pRef[-kiStride];
-  const uint8_t kuiT1			= pRef[1 - kiStride];
-  const uint8_t kuiT2			= pRef[2 - kiStride];
-  const uint8_t kuiT3			= pRef[3 - kiStride];
-  const uint16_t kuiTL0		= 1 + kuiLT + kuiL0;
-  const uint16_t kuiLT0		= 1 + kuiLT + kuiT0;
-  const uint16_t kuiT01		= 1 + kuiT0 + kuiT1;
-  const uint16_t kuiT12		= 1 + kuiT1 + kuiT2;
-  const uint16_t kuiT23		= 1 + kuiT2 + kuiT3;
-  const uint16_t kuiL01		= 1 + kuiL0 + kuiL1;
-  const uint16_t kuiL12		= 1 + kuiL1 + kuiL2;
-  const uint16_t kuiL23		= 1 + kuiL2 + kuiL3;
-  const uint8_t kuiDDR0		= (kuiTL0 + kuiLT0) >> 2;
-  const uint8_t kuiDDR1		= (kuiLT0 + kuiT01) >> 2;
-  const uint8_t kuiDDR2		= (kuiT01 + kuiT12) >> 2;
-  const uint8_t kuiDDR3		= (kuiT12 + kuiT23) >> 2;
-  const uint8_t kuiDDR4		= (kuiTL0 + kuiL01) >> 2;
-  const uint8_t kuiDDR5		= (kuiL01 + kuiL12) >> 2;
-  const uint8_t kuiDDR6		= (kuiL12 + kuiL23) >> 2;
-  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16)	// TobeCont'd about assign opt as follows
+  const uint8_t kuiL0       = pRef[-1];
+  const uint8_t kuiL1       = pRef[kiStride - 1];
+  const uint8_t kuiL2       = pRef[kiStridex2 - 1];
+  const uint8_t kuiL3       = pRef[kiStridex3 - 1];
+  const uint8_t kuiT0       = pRef[-kiStride];
+  const uint8_t kuiT1       = pRef[1 - kiStride];
+  const uint8_t kuiT2       = pRef[2 - kiStride];
+  const uint8_t kuiT3       = pRef[3 - kiStride];
+  const uint16_t kuiTL0     = 1 + kuiLT + kuiL0;
+  const uint16_t kuiLT0     = 1 + kuiLT + kuiT0;
+  const uint16_t kuiT01     = 1 + kuiT0 + kuiT1;
+  const uint16_t kuiT12     = 1 + kuiT1 + kuiT2;
+  const uint16_t kuiT23     = 1 + kuiT2 + kuiT3;
+  const uint16_t kuiL01     = 1 + kuiL0 + kuiL1;
+  const uint16_t kuiL12     = 1 + kuiL1 + kuiL2;
+  const uint16_t kuiL23     = 1 + kuiL2 + kuiL3;
+  const uint8_t kuiDDR0     = (kuiTL0 + kuiLT0) >> 2;
+  const uint8_t kuiDDR1     = (kuiLT0 + kuiT01) >> 2;
+  const uint8_t kuiDDR2     = (kuiT01 + kuiT12) >> 2;
+  const uint8_t kuiDDR3     = (kuiT12 + kuiT23) >> 2;
+  const uint8_t kuiDDR4     = (kuiTL0 + kuiL01) >> 2;
+  const uint8_t kuiDDR5     = (kuiL01 + kuiL12) >> 2;
+  const uint8_t kuiDDR6     = (kuiL12 + kuiL23) >> 2;
+  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16) // TobeCont'd about assign opt as follows
   uiSrc[0] = uiSrc[5] = uiSrc[10] = uiSrc[15] = kuiDDR0;
   uiSrc[1] = uiSrc[6] = uiSrc[11] = kuiDDR1;
   uiSrc[2] = uiSrc[7] = kuiDDR2;
@@ -227,24 +226,24 @@
 /*vertical pLeft*/
 void WelsI4x4LumaPredVL_c (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) {
   /*get pTop*/
-  const uint8_t kuiT0		= pRef[-kiStride];
-  const uint8_t kuiT1		= pRef[1 - kiStride];
-  const uint8_t kuiT2		= pRef[2 - kiStride];
-  const uint8_t kuiT3		= pRef[3 - kiStride];
-  const uint8_t kuiT4		= pRef[4 - kiStride];
-  const uint8_t kuiT5		= pRef[5 - kiStride];
-  const uint8_t kuiT6		= pRef[6 - kiStride];
-  const uint8_t kuiVL0	= (1 + kuiT0 + kuiT1) >> 1;				// uiVL0
-  const uint8_t kuiVL1	= (1 + kuiT1 + kuiT2) >> 1;				// uiVL1
-  const uint8_t kuiVL2	= (1 + kuiT2 + kuiT3) >> 1;				// uiVL2
-  const uint8_t kuiVL3	= (1 + kuiT3 + kuiT4) >> 1;				// uiVL3
-  const uint8_t kuiVL4	= (1 + kuiT4 + kuiT5) >> 1;				// uiVL4
-  const uint8_t kuiVL5	= (2 + kuiT0 + (kuiT1 << 1) + kuiT2) >> 2;	// uiVL5
-  const uint8_t kuiVL6	= (2 + kuiT1 + (kuiT2 << 1) + kuiT3) >> 2;	// uiVL6
-  const uint8_t kuiVL7	= (2 + kuiT2 + (kuiT3 << 1) + kuiT4) >> 2;	// uiVL7
-  const uint8_t kuiVL8	= (2 + kuiT3 + (kuiT4 << 1) + kuiT5) >> 2;	// uiVL8
-  const uint8_t kuiVL9	= (2 + kuiT4 + (kuiT5 << 1) + kuiT6) >> 2;	// uiVL9
-  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16)	// TobeCont'd about assign opt as follows
+  const uint8_t kuiT0   = pRef[-kiStride];
+  const uint8_t kuiT1   = pRef[1 - kiStride];
+  const uint8_t kuiT2   = pRef[2 - kiStride];
+  const uint8_t kuiT3   = pRef[3 - kiStride];
+  const uint8_t kuiT4   = pRef[4 - kiStride];
+  const uint8_t kuiT5   = pRef[5 - kiStride];
+  const uint8_t kuiT6   = pRef[6 - kiStride];
+  const uint8_t kuiVL0  = (1 + kuiT0 + kuiT1) >> 1;                     // uiVL0
+  const uint8_t kuiVL1  = (1 + kuiT1 + kuiT2) >> 1;                     // uiVL1
+  const uint8_t kuiVL2  = (1 + kuiT2 + kuiT3) >> 1;                     // uiVL2
+  const uint8_t kuiVL3  = (1 + kuiT3 + kuiT4) >> 1;                     // uiVL3
+  const uint8_t kuiVL4  = (1 + kuiT4 + kuiT5) >> 1;                     // uiVL4
+  const uint8_t kuiVL5  = (2 + kuiT0 + (kuiT1 << 1) + kuiT2) >> 2;      // uiVL5
+  const uint8_t kuiVL6  = (2 + kuiT1 + (kuiT2 << 1) + kuiT3) >> 2;      // uiVL6
+  const uint8_t kuiVL7  = (2 + kuiT2 + (kuiT3 << 1) + kuiT4) >> 2;      // uiVL7
+  const uint8_t kuiVL8  = (2 + kuiT3 + (kuiT4 << 1) + kuiT5) >> 2;      // uiVL8
+  const uint8_t kuiVL9  = (2 + kuiT4 + (kuiT5 << 1) + kuiT6) >> 2;      // uiVL9
+  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16) // TobeCont'd about assign opt as follows
   uiSrc[0] = kuiVL0;
   uiSrc[1] = uiSrc[8] = kuiVL1;
   uiSrc[2] = uiSrc[9] = kuiVL2;
@@ -263,21 +262,21 @@
 
 /*vertical pLeft*/
 void WelsI4x4LumaPredVLTop_c (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) {
-  uint8_t* pTopLeft		= &pRef[-kiStride - 1];	// pTop-pLeft
+  uint8_t* pTopLeft     = &pRef[-kiStride - 1]; // pTop-pLeft
   /*get pTop*/
-  const uint8_t kuiT0		= * (pTopLeft + 1);
-  const uint8_t kuiT1		= * (pTopLeft + 2);
-  const uint8_t kuiT2		= * (pTopLeft + 3);
-  const uint8_t kuiT3		= * (pTopLeft + 4);
-  const uint8_t kuiVLT0	= (1 + kuiT0 + kuiT1) >> 1;				// uiVLT0
-  const uint8_t kuiVLT1	= (1 + kuiT1 + kuiT2) >> 1;				// uiVLT1
-  const uint8_t kuiVLT2	= (1 + kuiT2 + kuiT3) >> 1;				// uiVLT2
-  const uint8_t kuiVLT3	= (1 + (kuiT3 << 1)) >> 1;				// uiVLT3
-  const uint8_t kuiVLT4	= (2 + kuiT0 + (kuiT1 << 1) + kuiT2) >> 2;	// uiVLT4
-  const uint8_t kuiVLT5	= (2 + kuiT1 + (kuiT2 << 1) + kuiT3) >> 2;	// uiVLT5
-  const uint8_t kuiVLT6	= (2 + kuiT2 + (kuiT3 << 1) + kuiT3) >> 2;	// uiVLT6
-  const uint8_t kuiVLT7	= (2 + (kuiT3 << 2)) >> 2;				// uiVLT7
-  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16)	// TobeCont'd about assign opt as follows
+  const uint8_t kuiT0   = * (pTopLeft + 1);
+  const uint8_t kuiT1   = * (pTopLeft + 2);
+  const uint8_t kuiT2   = * (pTopLeft + 3);
+  const uint8_t kuiT3   = * (pTopLeft + 4);
+  const uint8_t kuiVLT0 = (1 + kuiT0 + kuiT1) >> 1;                     // uiVLT0
+  const uint8_t kuiVLT1 = (1 + kuiT1 + kuiT2) >> 1;                     // uiVLT1
+  const uint8_t kuiVLT2 = (1 + kuiT2 + kuiT3) >> 1;                     // uiVLT2
+  const uint8_t kuiVLT3 = (1 + (kuiT3 << 1)) >> 1;                      // uiVLT3
+  const uint8_t kuiVLT4 = (2 + kuiT0 + (kuiT1 << 1) + kuiT2) >> 2;      // uiVLT4
+  const uint8_t kuiVLT5 = (2 + kuiT1 + (kuiT2 << 1) + kuiT3) >> 2;      // uiVLT5
+  const uint8_t kuiVLT6 = (2 + kuiT2 + (kuiT3 << 1) + kuiT3) >> 2;      // uiVLT6
+  const uint8_t kuiVLT7 = (2 + (kuiT3 << 2)) >> 2;                      // uiVLT7
+  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16) // TobeCont'd about assign opt as follows
   uiSrc[0] = kuiVLT0;
   uiSrc[1] = uiSrc[8] = kuiVLT1;
   uiSrc[2] = uiSrc[9] = kuiVLT2;
@@ -292,27 +291,27 @@
 
 /*vertical right*/
 void WelsI4x4LumaPredVR_c (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) {
-  const int32_t kiStridex2	= kiStride << 1;
-  const uint8_t kuiLT			= pRef[-kiStride - 1];	// pTop-pLeft
+  const int32_t kiStridex2  = kiStride << 1;
+  const uint8_t kuiLT       = pRef[-kiStride - 1];  // pTop-pLeft
   /*get pLeft and pTop*/
-  const uint8_t kuiL0			= pRef[-1];
-  const uint8_t kuiL1			= pRef[kiStride - 1];
-  const uint8_t kuiL2			= pRef[kiStridex2 - 1];
-  const uint8_t kuiT0			= pRef[-kiStride];
-  const uint8_t kuiT1			= pRef[1 - kiStride];
-  const uint8_t kuiT2			= pRef[2 - kiStride];
-  const uint8_t kuiT3			= pRef[3 - kiStride];
-  const uint8_t kuiVR0		= (1 + kuiLT + kuiT0) >> 1;
-  const uint8_t kuiVR1		= (1 + kuiT0 + kuiT1) >> 1;
-  const uint8_t kuiVR2		= (1 + kuiT1 + kuiT2) >> 1;
-  const uint8_t kuiVR3		= (1 + kuiT2 + kuiT3) >> 1;
-  const uint8_t kuiVR4		= (2 + kuiL0 + (kuiLT << 1) + kuiT0) >> 2;
-  const uint8_t kuiVR5		= (2 + kuiLT + (kuiT0 << 1) + kuiT1) >> 2;
-  const uint8_t kuiVR6		= (2 + kuiT0 + (kuiT1 << 1) + kuiT2) >> 2;
-  const uint8_t kuiVR7		= (2 + kuiT1 + (kuiT2 << 1) + kuiT3) >> 2;
-  const uint8_t kuiVR8		= (2 + kuiLT + (kuiL0 << 1) + kuiL1) >> 2;
-  const uint8_t kuiVR9		= (2 + kuiL0 + (kuiL1 << 1) + kuiL2) >> 2;
-  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16)	// TobeCont'd about assign opt as follows
+  const uint8_t kuiL0       = pRef[-1];
+  const uint8_t kuiL1       = pRef[kiStride - 1];
+  const uint8_t kuiL2       = pRef[kiStridex2 - 1];
+  const uint8_t kuiT0       = pRef[-kiStride];
+  const uint8_t kuiT1       = pRef[1 - kiStride];
+  const uint8_t kuiT2       = pRef[2 - kiStride];
+  const uint8_t kuiT3       = pRef[3 - kiStride];
+  const uint8_t kuiVR0      = (1 + kuiLT + kuiT0) >> 1;
+  const uint8_t kuiVR1      = (1 + kuiT0 + kuiT1) >> 1;
+  const uint8_t kuiVR2      = (1 + kuiT1 + kuiT2) >> 1;
+  const uint8_t kuiVR3      = (1 + kuiT2 + kuiT3) >> 1;
+  const uint8_t kuiVR4      = (2 + kuiL0 + (kuiLT << 1) + kuiT0) >> 2;
+  const uint8_t kuiVR5      = (2 + kuiLT + (kuiT0 << 1) + kuiT1) >> 2;
+  const uint8_t kuiVR6      = (2 + kuiT0 + (kuiT1 << 1) + kuiT2) >> 2;
+  const uint8_t kuiVR7      = (2 + kuiT1 + (kuiT2 << 1) + kuiT3) >> 2;
+  const uint8_t kuiVR8      = (2 + kuiLT + (kuiL0 << 1) + kuiL1) >> 2;
+  const uint8_t kuiVR9      = (2 + kuiL0 + (kuiL1 << 1) + kuiL2) >> 2;
+  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16) // TobeCont'd about assign opt as follows
   uiSrc[0] = uiSrc[9] = kuiVR0;
   uiSrc[1] = uiSrc[10] = kuiVR1;
   uiSrc[2] = uiSrc[11] = kuiVR2;
@@ -330,23 +329,23 @@
 
 /*horizontal up*/
 void WelsI4x4LumaPredHU_c (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) {
-  const int32_t kiStridex2	= kiStride << 1;
-  const int32_t kiStridex3	= kiStride + kiStridex2;
+  const int32_t kiStridex2  = kiStride << 1;
+  const int32_t kiStridex3  = kiStride + kiStridex2;
   /*get pLeft*/
-  const uint8_t kuiL0			= pRef[-1];
-  const uint8_t kuiL1			= pRef[kiStride - 1];
-  const uint8_t kuiL2			= pRef[kiStridex2 - 1];
-  const uint8_t kuiL3			= pRef[kiStridex3 - 1];
-  const uint16_t kuiL01		= (1 + kuiL0 + kuiL1);
-  const uint16_t kuiL12		= (1 + kuiL1 + kuiL2);
-  const uint16_t kuiL23		= (1 + kuiL2 + kuiL3);
-  const uint8_t kuiHU0		= kuiL01 >> 1;
-  const uint8_t kuiHU1		= (kuiL01 + kuiL12) >> 2;
-  const uint8_t kuiHU2		= kuiL12 >> 1;
-  const uint8_t kuiHU3		= (kuiL12 + kuiL23) >> 2;
-  const uint8_t kuiHU4		= kuiL23 >> 1;
-  const uint8_t kuiHU5		= (1 + kuiL23 + (kuiL3 << 1)) >> 2;
-  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16)	// TobeCont'd about assign opt as follows
+  const uint8_t kuiL0       = pRef[-1];
+  const uint8_t kuiL1       = pRef[kiStride - 1];
+  const uint8_t kuiL2       = pRef[kiStridex2 - 1];
+  const uint8_t kuiL3       = pRef[kiStridex3 - 1];
+  const uint16_t kuiL01     = (1 + kuiL0 + kuiL1);
+  const uint16_t kuiL12     = (1 + kuiL1 + kuiL2);
+  const uint16_t kuiL23     = (1 + kuiL2 + kuiL3);
+  const uint8_t kuiHU0      = kuiL01 >> 1;
+  const uint8_t kuiHU1      = (kuiL01 + kuiL12) >> 2;
+  const uint8_t kuiHU2      = kuiL12 >> 1;
+  const uint8_t kuiHU3      = (kuiL12 + kuiL23) >> 2;
+  const uint8_t kuiHU4      = kuiL23 >> 1;
+  const uint8_t kuiHU5      = (1 + kuiL23 + (kuiL3 << 1)) >> 2;
+  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16) // TobeCont'd about assign opt as follows
   uiSrc[0] = kuiHU0;
   uiSrc[1] = kuiHU1;
   uiSrc[2] = uiSrc[4] = kuiHU2;
@@ -361,28 +360,28 @@
 
 /*horizontal down*/
 void WelsI4x4LumaPredHD_c (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) {
-  const int32_t kiStridex2	= kiStride << 1;
-  const int32_t kiStridex3	= kiStride + kiStridex2;
-  const uint8_t kuiLT		= pRef[-kiStride - 1];	// pTop-pLeft
+  const int32_t kiStridex2  = kiStride << 1;
+  const int32_t kiStridex3  = kiStride + kiStridex2;
+  const uint8_t kuiLT       = pRef[-kiStride - 1];  // pTop-pLeft
   /*get pLeft and pTop*/
-  const uint8_t kuiL0		= pRef[-1];
-  const uint8_t kuiL1		= pRef[kiStride - 1];
-  const uint8_t kuiL2		= pRef[kiStridex2 - 1];
-  const uint8_t kuiL3		= pRef[kiStridex3 - 1];
-  const uint8_t kuiT0		= pRef[-kiStride];
-  const uint8_t kuiT1		= pRef[1 - kiStride];
-  const uint8_t kuiT2		= pRef[2 - kiStride];
-  const uint8_t kuiHD0		= (1 + kuiLT + kuiL0) >> 1;				// uiHD0
-  const uint8_t kuiHD1		= (2 + kuiL0 + (kuiLT << 1) + kuiT0) >> 2;	// uiHD1
-  const uint8_t kuiHD2		= (2 + kuiLT + (kuiT0 << 1) + kuiT1) >> 2;	// uiHD2
-  const uint8_t kuiHD3		= (2 + kuiT0 + (kuiT1 << 1) + kuiT2) >> 2;	// uiHD3
-  const uint8_t kuiHD4		= (1 + kuiL0 + kuiL1) >> 1;				// uiHD4
-  const uint8_t kuiHD5		= (2 + kuiLT + (kuiL0 << 1) + kuiL1) >> 2;	// uiHD5
-  const uint8_t kuiHD6		= (1 + kuiL1 + kuiL2) >> 1;				// uiHD6
-  const uint8_t kuiHD7		= (2 + kuiL0 + (kuiL1 << 1) + kuiL2) >> 2;	// uiHD7
-  const uint8_t kuiHD8		= (1 + kuiL2 + kuiL3) >> 1;				// uiHD8
-  const uint8_t kuiHD9		= (2 + kuiL1 + (kuiL2 << 1) + kuiL3) >> 2;	// uiHD9
-  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16)	// TobeCont'd about assign opt as follows
+  const uint8_t kuiL0       = pRef[-1];
+  const uint8_t kuiL1       = pRef[kiStride - 1];
+  const uint8_t kuiL2       = pRef[kiStridex2 - 1];
+  const uint8_t kuiL3       = pRef[kiStridex3 - 1];
+  const uint8_t kuiT0       = pRef[-kiStride];
+  const uint8_t kuiT1       = pRef[1 - kiStride];
+  const uint8_t kuiT2       = pRef[2 - kiStride];
+  const uint8_t kuiHD0      = (1 + kuiLT + kuiL0) >> 1;                     // uiHD0
+  const uint8_t kuiHD1      = (2 + kuiL0 + (kuiLT << 1) + kuiT0) >> 2;      // uiHD1
+  const uint8_t kuiHD2      = (2 + kuiLT + (kuiT0 << 1) + kuiT1) >> 2;      // uiHD2
+  const uint8_t kuiHD3      = (2 + kuiT0 + (kuiT1 << 1) + kuiT2) >> 2;      // uiHD3
+  const uint8_t kuiHD4      = (1 + kuiL0 + kuiL1) >> 1;                     // uiHD4
+  const uint8_t kuiHD5      = (2 + kuiLT + (kuiL0 << 1) + kuiL1) >> 2;      // uiHD5
+  const uint8_t kuiHD6      = (1 + kuiL1 + kuiL2) >> 1;                     // uiHD6
+  const uint8_t kuiHD7      = (2 + kuiL0 + (kuiL1 << 1) + kuiL2) >> 2;      // uiHD7
+  const uint8_t kuiHD8      = (1 + kuiL2 + kuiL3) >> 1;                     // uiHD8
+  const uint8_t kuiHD9      = (2 + kuiL1 + (kuiL2 << 1) + kuiL3) >> 2;      // uiHD9
+  ENFORCE_STACK_ALIGN_1D (uint8_t, uiSrc, 16, 16) // TobeCont'd about assign opt as follows
   uiSrc[0] = uiSrc[6] = kuiHD0;
   uiSrc[1] = uiSrc[7] = kuiHD1;
   uiSrc[2] = kuiHD2;
@@ -404,7 +403,7 @@
 void WelsIChromaPredV_c (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) {
   const uint64_t kuiSrc64 = LD64 (&pRef[-kiStride]);
 
-  ST64 (pPred   , kuiSrc64);
+  ST64 (pPred     , kuiSrc64);
   ST64 (pPred + 8 , kuiSrc64);
   ST64 (pPred + 16, kuiSrc64);
   ST64 (pPred + 24, kuiSrc64);
@@ -420,7 +419,7 @@
   uint8_t i = 7;
 
   do {
-    const uint8_t kuiLeft = pRef[iStridex7 - 1];	// pLeft value
+    const uint8_t kuiLeft = pRef[iStridex7 - 1]; // pLeft value
     uint64_t kuiSrc64 = (uint64_t) (0x0101010101010101ULL * kuiLeft);
     ST64 (pPred + iI8x8Stridex7, kuiSrc64);
 
@@ -463,8 +462,8 @@
   const int32_t kuiL6 = kuiL5 + kiStride;
   const int32_t kuiL7 = kuiL6 + kiStride;
   /*caculate the iMean value*/
-  const uint8_t kuiMean1	= (pRef[-kiStride] + pRef[1 - kiStride] + pRef[2 - kiStride] + pRef[3 - kiStride] +
-                             pRef[-1] + pRef[kuiL1] + pRef[kuiL2] + pRef[kuiL3] + 4) >> 3;
+  const uint8_t kuiMean1 = (pRef[-kiStride] + pRef[1 - kiStride] + pRef[2 - kiStride] + pRef[3 - kiStride] +
+                            pRef[-1] + pRef[kuiL1] + pRef[kuiL2] + pRef[kuiL3] + 4) >> 3;
   const uint32_t kuiSum2 = pRef[4 - kiStride] + pRef[5 - kiStride] + pRef[6 - kiStride] + pRef[7 - kiStride];
   const uint32_t kuiSum3 = pRef[kuiL4] + pRef[kuiL5] + pRef[kuiL6] + pRef[kuiL7];
   const uint8_t kuiMean2 = (kuiSum2 + 2) >> 2;
@@ -476,7 +475,7 @@
   const uint64_t kuiTopMean64 = LD64 (kuiTopMean);
   const uint64_t kuiBottomMean64 = LD64 (kuiBottomMean);
 
-  ST64 (pPred   , kuiTopMean64);
+  ST64 (pPred     , kuiTopMean64);
   ST64 (pPred + 8 , kuiTopMean64);
   ST64 (pPred + 16, kuiTopMean64);
   ST64 (pPred + 24, kuiTopMean64);
@@ -487,19 +486,19 @@
 }
 
 void WelsIChromaPredDcLeft_c (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) {
-  const int32_t kuiL1	= kiStride - 1;
-  const int32_t kuiL2	= kuiL1 + kiStride;
-  const int32_t kuiL3	= kuiL2 + kiStride;
-  const int32_t kuiL4	= kuiL3 + kiStride;
-  const int32_t kuiL5	= kuiL4 + kiStride;
-  const int32_t kuiL6	= kuiL5 + kiStride;
-  const int32_t kuiL7	= kuiL6 + kiStride;
+  const int32_t kuiL1   = kiStride - 1;
+  const int32_t kuiL2   = kuiL1 + kiStride;
+  const int32_t kuiL3   = kuiL2 + kiStride;
+  const int32_t kuiL4   = kuiL3 + kiStride;
+  const int32_t kuiL5   = kuiL4 + kiStride;
+  const int32_t kuiL6   = kuiL5 + kiStride;
+  const int32_t kuiL7   = kuiL6 + kiStride;
   /*caculate the iMean value*/
-  const uint8_t kuiTopMean	= (pRef[-1] + pRef[kuiL1] + pRef[kuiL2] + pRef[kuiL3] + 2) >> 2 ;
-  const uint8_t kuiBottomMean	= (pRef[kuiL4] + pRef[kuiL5] + pRef[kuiL6] + pRef[kuiL7] + 2) >> 2;
-  const uint64_t kuiTopMean64	= (uint64_t) (0x0101010101010101ULL * kuiTopMean);
-  const uint64_t kuiBottomMean64	= (uint64_t) (0x0101010101010101ULL * kuiBottomMean);
-  ST64 (pPred   , kuiTopMean64);
+  const uint8_t kuiTopMean          = (pRef[-1] + pRef[kuiL1] + pRef[kuiL2] + pRef[kuiL3] + 2) >> 2 ;
+  const uint8_t kuiBottomMean       = (pRef[kuiL4] + pRef[kuiL5] + pRef[kuiL6] + pRef[kuiL7] + 2) >> 2;
+  const uint64_t kuiTopMean64       = (uint64_t) (0x0101010101010101ULL * kuiTopMean);
+  const uint64_t kuiBottomMean64    = (uint64_t) (0x0101010101010101ULL * kuiBottomMean);
+  ST64 (pPred     , kuiTopMean64);
   ST64 (pPred + 8 , kuiTopMean64);
   ST64 (pPred + 16, kuiTopMean64);
   ST64 (pPred + 24, kuiTopMean64);
@@ -516,7 +515,7 @@
   const uint8_t kuiMean[8] = {kuiMean1, kuiMean1, kuiMean1, kuiMean1, kuiMean2, kuiMean2, kuiMean2, kuiMean2};
   const uint64_t kuiMean64 = LD64 (kuiMean);
 
-  ST64 (pPred   , kuiMean64);
+  ST64 (pPred     , kuiMean64);
   ST64 (pPred + 8 , kuiMean64);
   ST64 (pPred + 16, kuiMean64);
   ST64 (pPred + 24, kuiMean64);
@@ -528,7 +527,7 @@
 
 void WelsIChromaPredDcNA_c (uint8_t* pPred, uint8_t* pRef, const int32_t kiStride) {
   const uint64_t kuiDcValue64 = (uint64_t)0x8080808080808080ULL;
-  ST64 (pPred   , kuiDcValue64);
+  ST64 (pPred     , kuiDcValue64);
   ST64 (pPred + 8 , kuiDcValue64);
   ST64 (pPred + 16, kuiDcValue64);
   ST64 (pPred + 24, kuiDcValue64);
--- a/codec/encoder/core/src/md.cpp
+++ b/codec/encoder/core/src/md.cpp
@@ -435,14 +435,14 @@
 int32_t AnalysisVaaInfoIntra_c (uint8_t* pDataY, const int32_t kiLineSize) {
   ENFORCE_STACK_ALIGN_1D (uint16_t, uiAvgBlock, 16, 16)
   uint16_t* pBlock = &uiAvgBlock[0];
-  uint8_t* pEncData	= pDataY;
-  const int32_t kiLineSize2	= kiLineSize << 1;
-  const int32_t kiLineSize3	= kiLineSize + kiLineSize2;
-  const int32_t kiLineSize4	= kiLineSize << 2;
+  uint8_t* pEncData         = pDataY;
+  const int32_t kiLineSize2 = kiLineSize << 1;
+  const int32_t kiLineSize3 = kiLineSize + kiLineSize2;
+  const int32_t kiLineSize4 = kiLineSize << 2;
   int32_t i = 0, j = 0, num = 0;
   int32_t iSumAvg = 0, iSumSqr = 0;
 
-//	analysis_vaa_info_intra_core_c( pDataY, iLineSize, pBlock );
+//  analysis_vaa_info_intra_core_c( pDataY, iLineSize, pBlock );
   for (; j < 16; j += 4) {
     num = 0;
     for (i = 0; i < 16; i += 4, num ++) {
@@ -492,9 +492,9 @@
 
 bool MdIntraAnalysisVaaInfo (sWelsEncCtx* pEncCtx, uint8_t* pEncMb) {
 
-  SDqLayer* pCurDqLayer	= pEncCtx->pCurDqLayer;
+  SDqLayer* pCurDqLayer     = pEncCtx->pCurDqLayer;
   const int32_t kiLineSize  = pCurDqLayer->iEncStride[0];
-  const int32_t kiVariance	= pEncCtx->pFuncList->pfGetVarianceFromIntraVaa (pEncMb, kiLineSize);
+  const int32_t kiVariance  = pEncCtx->pFuncList->pfGetVarianceFromIntraVaa (pEncMb, kiLineSize);
   return (kiVariance >= INTRA_VARIANCE_SAD_THRESHOLD);
 }
 
@@ -527,11 +527,11 @@
 
 inline void MeRefineQuarPixel (SWelsFuncPtrList* pFunc, SWelsME* pMe, SMeRefinePointer* pMeRefine,
                                const int32_t kiWidth, const int32_t kiHeight, SQuarRefineParams* pParams, int32_t iStrideEnc) {
-  PWelsSampleAveragingFunc pSampleAvg	= pFunc->sMcFuncs.pfSampleAveraging;
+  PWelsSampleAveragingFunc pSampleAvg   = pFunc->sMcFuncs.pfSampleAveraging;
   int32_t iCurCost;
-  uint8_t* pEncMb				= pMe->pEncMb;
-  uint8_t* pTmp				= NULL;
-  const uint8_t kuiPixel		= pMe->uiBlockSize;
+  uint8_t* pEncMb                       = pMe->pEncMb;
+  uint8_t* pTmp                         = NULL;
+  const uint8_t kuiPixel                = pMe->uiBlockSize;
 
   pSampleAvg (pMeRefine->pQuarPixTmp, ME_REFINE_BUF_STRIDE, pParams->pSrcA[0], ME_REFINE_BUF_STRIDE,
               pParams->pSrcB[0], pParams->iStrideA, kiWidth, kiHeight);
@@ -538,7 +538,7 @@
 
   iCurCost = CALC_COST (pMeRefine->pQuarPixTmp, pParams->iLms[0]);
   if (iCurCost < pParams->iBestCost) {
-    pParams->iBestQuarPix =	ME_QUAR_PIXEL_TOP;
+    pParams->iBestQuarPix = ME_QUAR_PIXEL_TOP;
     SWITCH_BEST_TMP_BUF (pMeRefine->pQuarPixBest, pMeRefine->pQuarPixTmp);
   }
   //=========================(0, 1)=======================//
@@ -791,9 +791,9 @@
  * iMvdSz = (648*2+1) or (972*2+1);
  */
 void MvdCostInit (uint16_t* pMvdCostInter, const int32_t kiMvdSz) {
-  const int32_t kiSz		= kiMvdSz >> 1;
-  uint16_t* pNegMvd		= pMvdCostInter;
-  uint16_t* pPosMvd		= pMvdCostInter + kiSz + 1;
+  const int32_t kiSz        = kiMvdSz >> 1;
+  uint16_t* pNegMvd         = pMvdCostInter;
+  uint16_t* pPosMvd         = pMvdCostInter + kiSz + 1;
   const int32_t* kpQpLambda = &g_kiQpCostTable[0];
   int32_t i, j;
 
@@ -803,15 +803,15 @@
     int32_t iPosSe = 1;
 
     for (j = 0; j < kiSz; j += 4) {
-      *pNegMvd++	= kiLambda * BsSizeSE (iNegSe++);
-      *pNegMvd++	= kiLambda * BsSizeSE (iNegSe++);
-      *pNegMvd++	= kiLambda * BsSizeSE (iNegSe++);
-      *pNegMvd++	= kiLambda * BsSizeSE (iNegSe++);
+      *pNegMvd++ = kiLambda * BsSizeSE (iNegSe++);
+      *pNegMvd++ = kiLambda * BsSizeSE (iNegSe++);
+      *pNegMvd++ = kiLambda * BsSizeSE (iNegSe++);
+      *pNegMvd++ = kiLambda * BsSizeSE (iNegSe++);
 
-      *pPosMvd++	= kiLambda * BsSizeSE (iPosSe++);
-      *pPosMvd++	= kiLambda * BsSizeSE (iPosSe++);
-      *pPosMvd++	= kiLambda * BsSizeSE (iPosSe++);
-      *pPosMvd++	= kiLambda * BsSizeSE (iPosSe++);
+      *pPosMvd++ = kiLambda * BsSizeSE (iPosSe++);
+      *pPosMvd++ = kiLambda * BsSizeSE (iPosSe++);
+      *pPosMvd++ = kiLambda * BsSizeSE (iPosSe++);
+      *pPosMvd++ = kiLambda * BsSizeSE (iPosSe++);
     }
     *pNegMvd = kiLambda;
     pNegMvd += kiSz + 1;
@@ -820,12 +820,12 @@
 }
 
 void PredictSad (int8_t* pRefIndexCache, int32_t* pSadCostCache, int32_t uiRef, int32_t* pSadPred) {
-  const int32_t kiRefB	= pRefIndexCache[1];//top g_uiCache12_8x8RefIdx[0] - 4
-  int32_t iRefC			= pRefIndexCache[5];//top-right g_uiCache12_8x8RefIdx[0] - 2
-  const int32_t kiRefA	= pRefIndexCache[6];//left g_uiCache12_8x8RefIdx[0] - 1
-  const int32_t kiSadB		= pSadCostCache[1];
-  int32_t iSadC			= pSadCostCache[2];
-  const int32_t kiSadA		= pSadCostCache[3];
+  const int32_t kiRefB  = pRefIndexCache[1];//top g_uiCache12_8x8RefIdx[0] - 4
+  int32_t iRefC         = pRefIndexCache[5];//top-right g_uiCache12_8x8RefIdx[0] - 2
+  const int32_t kiRefA  = pRefIndexCache[6];//left g_uiCache12_8x8RefIdx[0] - 1
+  const int32_t kiSadB  = pSadCostCache[1];
+  int32_t iSadC         = pSadCostCache[2];
+  const int32_t kiSadA  = pSadCostCache[3];
 
   int32_t iCount;
 
@@ -865,13 +865,13 @@
 
 void PredictSadSkip (int8_t* pRefIndexCache, bool* pMbSkipCache, int32_t* pSadCostCache, int32_t uiRef,
                      int32_t* iSadPredSkip) {
-  const int32_t kiRefB	= pRefIndexCache[1];//top g_uiCache12_8x8RefIdx[0] - 4
-  int32_t iRefC			= pRefIndexCache[5];//top-right g_uiCache12_8x8RefIdx[0] - 2
-  const int32_t kiRefA	= pRefIndexCache[6];//left g_uiCache12_8x8RefIdx[0] - 1
-  const int32_t kiSadB		= (pMbSkipCache[1] == 1 ? pSadCostCache[1] : 0);
-  int32_t iSadC			= (pMbSkipCache[2] == 1 ? pSadCostCache[2] : 0);
-  const int32_t kiSadA		= (pMbSkipCache[3] == 1 ? pSadCostCache[3] : 0);
-  int32_t iRefSkip		= pMbSkipCache[2];
+  const int32_t kiRefB  = pRefIndexCache[1];//top g_uiCache12_8x8RefIdx[0] - 4
+  int32_t iRefC         = pRefIndexCache[5];//top-right g_uiCache12_8x8RefIdx[0] - 2
+  const int32_t kiRefA  = pRefIndexCache[6];//left g_uiCache12_8x8RefIdx[0] - 1
+  const int32_t kiSadB  = (pMbSkipCache[1] == 1 ? pSadCostCache[1] : 0);
+  int32_t iSadC         = (pMbSkipCache[2] == 1 ? pSadCostCache[2] : 0);
+  const int32_t kiSadA  = (pMbSkipCache[3] == 1 ? pSadCostCache[3] : 0);
+  int32_t iRefSkip      = pMbSkipCache[2];
 
   int32_t iCount = 0;
 
--- a/codec/encoder/core/src/mv_pred.cpp
+++ b/codec/encoder/core/src/mv_pred.cpp
@@ -43,8 +43,8 @@
 namespace WelsEnc {
 //basic pMv prediction unit for pMv width (4, 2, 1)
 void PredMv (const SMVComponentUnit* kpMvComp, int8_t iPartIdx, int8_t iPartW, int32_t iRef, SMVUnitXY* sMvp) {
-  const uint8_t kuiLeftIdx		= g_kuiCache30ScanIdx[iPartIdx] - 1;
-  const uint8_t kuiTopIdx		= g_kuiCache30ScanIdx[iPartIdx] - 6;
+  const uint8_t kuiLeftIdx = g_kuiCache30ScanIdx[iPartIdx] - 1;
+  const uint8_t kuiTopIdx  = g_kuiCache30ScanIdx[iPartIdx] - 6;
 
   int32_t iMatchRef;
   int32_t iLeftRef = kpMvComp->iRefIndexCache[kuiLeftIdx];
@@ -69,8 +69,8 @@
   }
 
   // b2[diag] b1[top] b0[left] is available!
-  iMatchRef  = (iRef == iLeftRef)	<< MB_LEFT_BIT;
-  iMatchRef |= (iRef == iTopRef)		<< MB_TOP_BIT;
+  iMatchRef  = (iRef == iLeftRef)     << MB_LEFT_BIT;
+  iMatchRef |= (iRef == iTopRef)      << MB_TOP_BIT;
   iMatchRef |= (iRef == iDiagonalRef) << MB_TOPRIGHT_BIT;
   switch (iMatchRef) {
   case LEFT_MB_POS:// A
@@ -147,37 +147,37 @@
 //update pMv and uiRefIndex cache for current MB, only for P_16*16 (SKIP inclusive)
 void UpdateP16x16MotionInfo (SMbCache* pMbCache, SMB* pCurMb, const int8_t kiRef, SMVUnitXY* pMv) {
   // optimized 11/25/2011
-  SMVComponentUnit* pMvComp	= &pMbCache->sMvComponents;
-  const uint32_t kuiMv32			= LD32 (pMv);
-  const uint64_t kuiMv64			= BUTTERFLY4x8 (kuiMv32);
-  uint64_t uiMvBuf[8]			= { kuiMv64, kuiMv64, kuiMv64, kuiMv64, kuiMv64, kuiMv64, kuiMv64, kuiMv64 };
-  const uint16_t kuiRef16		= BUTTERFLY1x2 (kiRef);
-  const uint32_t kuiRef32		= BUTTERFLY2x4 (kuiRef16);
+  SMVComponentUnit* pMvComp     = &pMbCache->sMvComponents;
+  const uint32_t kuiMv32        = LD32 (pMv);
+  const uint64_t kuiMv64        = BUTTERFLY4x8 (kuiMv32);
+  uint64_t uiMvBuf[8]           = { kuiMv64, kuiMv64, kuiMv64, kuiMv64, kuiMv64, kuiMv64, kuiMv64, kuiMv64 };
+  const uint16_t kuiRef16       = BUTTERFLY1x2 (kiRef);
+  const uint32_t kuiRef32       = BUTTERFLY2x4 (kuiRef16);
 
   ST32 (pCurMb->pRefIndex, kuiRef32);
   // update pMv range from 0~15
-  memcpy (pCurMb->sMv, uiMvBuf, sizeof (uiMvBuf));	// confirmed_safe_unsafe_usage
+  memcpy (pCurMb->sMv, uiMvBuf, sizeof (uiMvBuf)); // confirmed_safe_unsafe_usage
 
   /*
    * blocks 0: 7~10, 1: 13~16, 2: 19~22, 3: 25~28
    */
-  pMvComp->iRefIndexCache[7]	= kiRef;
+  pMvComp->iRefIndexCache[7]    = kiRef;
   ST16 (&pMvComp->iRefIndexCache[8], kuiRef16);
-  pMvComp->iRefIndexCache[10]	= kiRef;
-  pMvComp->iRefIndexCache[13]	= kiRef;
+  pMvComp->iRefIndexCache[10]   = kiRef;
+  pMvComp->iRefIndexCache[13]   = kiRef;
   ST16 (&pMvComp->iRefIndexCache[14], kuiRef16);
-  pMvComp->iRefIndexCache[16]	= kiRef;
-  pMvComp->iRefIndexCache[19]	= kiRef;
+  pMvComp->iRefIndexCache[16]   = kiRef;
+  pMvComp->iRefIndexCache[19]   = kiRef;
   ST16 (&pMvComp->iRefIndexCache[20], kuiRef16);
-  pMvComp->iRefIndexCache[22]	= kiRef;
-  pMvComp->iRefIndexCache[25]	= kiRef;
+  pMvComp->iRefIndexCache[22]   = kiRef;
+  pMvComp->iRefIndexCache[25]   = kiRef;
   ST16 (&pMvComp->iRefIndexCache[26], kuiRef16);
-  pMvComp->iRefIndexCache[28]	= kiRef;
+  pMvComp->iRefIndexCache[28]   = kiRef;
 
   /*
   * blocks 0: 7~10, 1: 13~16, 2: 19~22, 3: 25~28
   */
-  pMvComp->sMotionVectorCache[7]	= *pMv;
+  pMvComp->sMotionVectorCache[7]  = *pMv;
   ST64 (&pMvComp->sMotionVectorCache[8], kuiMv64);
   pMvComp->sMotionVectorCache[10] = *pMv;
   pMvComp->sMotionVectorCache[13] = *pMv;
@@ -195,36 +195,36 @@
 void UpdateP16x8MotionInfo (SMbCache* pMbCache, SMB* pCurMb, const int32_t kiPartIdx, const int8_t kiRef,
                             SMVUnitXY* pMv) {
   // optimized 11/25/2011
-  SMVComponentUnit* pMvComp	= &pMbCache->sMvComponents;
-  const uint32_t kuiMv32			= LD32 (pMv);
-  const uint64_t kuiMv64			= BUTTERFLY4x8 (kuiMv32);
-  uint64_t uiMvBuf[4]			= { kuiMv64, kuiMv64, kuiMv64, kuiMv64 };
-  const int16_t kiScan4Idx		= g_kuiMbCountScan4Idx[kiPartIdx];
-  const int16_t kiCacheIdx		= g_kuiCache30ScanIdx[kiPartIdx];
-  const int16_t kiCacheIdx1	= 1 + kiCacheIdx;
-  const int16_t kiCacheIdx3	= 3 + kiCacheIdx;
-  const int16_t kiCacheIdx6	= 6 + kiCacheIdx;
-  const int16_t kiCacheIdx7	= 7 + kiCacheIdx;
-  const int16_t kiCacheIdx9	= 9 + kiCacheIdx;
-  const uint16_t kuiRef16		= BUTTERFLY1x2 (kiRef);
+  SMVComponentUnit* pMvComp     = &pMbCache->sMvComponents;
+  const uint32_t kuiMv32        = LD32 (pMv);
+  const uint64_t kuiMv64        = BUTTERFLY4x8 (kuiMv32);
+  uint64_t uiMvBuf[4]           = { kuiMv64, kuiMv64, kuiMv64, kuiMv64 };
+  const int16_t kiScan4Idx      = g_kuiMbCountScan4Idx[kiPartIdx];
+  const int16_t kiCacheIdx      = g_kuiCache30ScanIdx[kiPartIdx];
+  const int16_t kiCacheIdx1     = 1 + kiCacheIdx;
+  const int16_t kiCacheIdx3     = 3 + kiCacheIdx;
+  const int16_t kiCacheIdx6     = 6 + kiCacheIdx;
+  const int16_t kiCacheIdx7     = 7 + kiCacheIdx;
+  const int16_t kiCacheIdx9     = 9 + kiCacheIdx;
+  const uint16_t kuiRef16       = BUTTERFLY1x2 (kiRef);
 
   ST16 (&pCurMb->pRefIndex[ (kiPartIdx >> 2)], kuiRef16);
-  memcpy (&pCurMb->sMv[kiScan4Idx], uiMvBuf, sizeof (uiMvBuf));	// confirmed_safe_unsafe_usage
+  memcpy (&pCurMb->sMv[kiScan4Idx], uiMvBuf, sizeof (uiMvBuf)); // confirmed_safe_unsafe_usage
 
   /*
   * blocks 0: g_kuiCache30ScanIdx[iPartIdx]~g_kuiCache30ScanIdx[iPartIdx]+3, 1: g_kuiCache30ScanIdx[iPartIdx]+6~g_kuiCache30ScanIdx[iPartIdx]+9
   */
-  pMvComp->iRefIndexCache[kiCacheIdx]		= kiRef;
+  pMvComp->iRefIndexCache[kiCacheIdx]  = kiRef;
   ST16 (&pMvComp->iRefIndexCache[kiCacheIdx1], kuiRef16);
-  pMvComp->iRefIndexCache[kiCacheIdx3]	= kiRef;
-  pMvComp->iRefIndexCache[kiCacheIdx6]	= kiRef;
+  pMvComp->iRefIndexCache[kiCacheIdx3] = kiRef;
+  pMvComp->iRefIndexCache[kiCacheIdx6] = kiRef;
   ST16 (&pMvComp->iRefIndexCache[kiCacheIdx7], kuiRef16);
-  pMvComp->iRefIndexCache[kiCacheIdx9]	= kiRef;
+  pMvComp->iRefIndexCache[kiCacheIdx9] = kiRef;
 
   /*
   * blocks 0: g_kuiCache30ScanIdx[iPartIdx]~g_kuiCache30ScanIdx[iPartIdx]+3, 1: g_kuiCache30ScanIdx[iPartIdx]+6~g_kuiCache30ScanIdx[iPartIdx]+9
   */
-  pMvComp->sMotionVectorCache[kiCacheIdx]	= *pMv;
+  pMvComp->sMotionVectorCache[kiCacheIdx]  = *pMv;
   ST64 (&pMvComp->sMotionVectorCache[kiCacheIdx1], kuiMv64);
   pMvComp->sMotionVectorCache[kiCacheIdx3] = *pMv;
   pMvComp->sMotionVectorCache[kiCacheIdx6] = *pMv;
@@ -235,20 +235,20 @@
 void update_P8x16_motion_info (SMbCache* pMbCache, SMB* pCurMb, const int32_t kiPartIdx, const int8_t kiRef,
                                SMVUnitXY* pMv) {
   // optimized 11/25/2011
-  SMVComponentUnit* pMvComp	= &pMbCache->sMvComponents;
-  const uint32_t kuiMv32			= LD32 (pMv);
-  const uint64_t kuiMv64			= BUTTERFLY4x8 (kuiMv32);
-  const int16_t kiScan4Idx		= g_kuiMbCountScan4Idx[kiPartIdx];
-  const int16_t kiCacheIdx		= g_kuiCache30ScanIdx[kiPartIdx];
-  const int16_t kiCacheIdx1	= 1 + kiCacheIdx;
-  const int16_t kiCacheIdx3	= 3 + kiCacheIdx;
-  const int16_t kiCacheIdx12	= 12 + kiCacheIdx;
-  const int16_t kiCacheIdx13	= 13 + kiCacheIdx;
-  const int16_t kiCacheIdx15	= 15 + kiCacheIdx;
-  const int16_t kiBlkIdx		= kiPartIdx >> 2;
-  const uint16_t kuiRef16		= BUTTERFLY1x2 (kiRef);
+  SMVComponentUnit* pMvComp     = &pMbCache->sMvComponents;
+  const uint32_t kuiMv32        = LD32 (pMv);
+  const uint64_t kuiMv64        = BUTTERFLY4x8 (kuiMv32);
+  const int16_t kiScan4Idx      = g_kuiMbCountScan4Idx[kiPartIdx];
+  const int16_t kiCacheIdx      = g_kuiCache30ScanIdx[kiPartIdx];
+  const int16_t kiCacheIdx1     = 1 + kiCacheIdx;
+  const int16_t kiCacheIdx3     = 3 + kiCacheIdx;
+  const int16_t kiCacheIdx12    = 12 + kiCacheIdx;
+  const int16_t kiCacheIdx13    = 13 + kiCacheIdx;
+  const int16_t kiCacheIdx15    = 15 + kiCacheIdx;
+  const int16_t kiBlkIdx        = kiPartIdx >> 2;
+  const uint16_t kuiRef16       = BUTTERFLY1x2 (kiRef);
 
-  pCurMb->pRefIndex[kiBlkIdx]	= kiRef;
+  pCurMb->pRefIndex[kiBlkIdx]     = kiRef;
   pCurMb->pRefIndex[2 + kiBlkIdx] = kiRef;
   ST64 (&pCurMb->sMv[kiScan4Idx], kuiMv64);
   ST64 (&pCurMb->sMv[4 + kiScan4Idx], kuiMv64);
@@ -258,17 +258,17 @@
   /*
   * blocks 0: g_kuiCache30ScanIdx[iPartIdx]~g_kuiCache30ScanIdx[iPartIdx]+3, 1: g_kuiCache30ScanIdx[iPartIdx]+6~g_kuiCache30ScanIdx[iPartIdx]+9
   */
-  pMvComp->iRefIndexCache[kiCacheIdx]	= kiRef;
+  pMvComp->iRefIndexCache[kiCacheIdx]   = kiRef;
   ST16 (&pMvComp->iRefIndexCache[kiCacheIdx1], kuiRef16);
-  pMvComp->iRefIndexCache[kiCacheIdx3]	= kiRef;
-  pMvComp->iRefIndexCache[kiCacheIdx12]	= kiRef;
+  pMvComp->iRefIndexCache[kiCacheIdx3]  = kiRef;
+  pMvComp->iRefIndexCache[kiCacheIdx12] = kiRef;
   ST16 (&pMvComp->iRefIndexCache[kiCacheIdx13], kuiRef16);
-  pMvComp->iRefIndexCache[kiCacheIdx15]	= kiRef;
+  pMvComp->iRefIndexCache[kiCacheIdx15] = kiRef;
 
   /*
   * blocks 0: g_kuiCache30ScanIdx[iPartIdx]~g_kuiCache30ScanIdx[iPartIdx]+3, 1: g_kuiCache30ScanIdx[iPartIdx]+6~g_kuiCache30ScanIdx[iPartIdx]+9
   */
-  pMvComp->sMotionVectorCache[kiCacheIdx]	= *pMv;
+  pMvComp->sMotionVectorCache[kiCacheIdx]  = *pMv;
   ST64 (&pMvComp->sMotionVectorCache[kiCacheIdx1], kuiMv64);
   pMvComp->sMotionVectorCache[kiCacheIdx3] = *pMv;
   pMvComp->sMotionVectorCache[kiCacheIdx12] = *pMv;
@@ -279,13 +279,13 @@
 void UpdateP8x8MotionInfo (SMbCache* pMbCache, SMB* pCurMb, const int32_t kiPartIdx, const int8_t kiRef,
                            SMVUnitXY* pMv) {
   SMVComponentUnit* pMvComp = &pMbCache->sMvComponents;
-  const uint32_t kuiMv32			= LD32 (pMv);
-  const uint64_t kuiMv64			= BUTTERFLY4x8 (kuiMv32);
-  const int16_t kiScan4Idx		= g_kuiMbCountScan4Idx[kiPartIdx];
-  const int16_t kiCacheIdx		= g_kuiCache30ScanIdx[kiPartIdx];
-  const int16_t kiCacheIdx1	= 1 + kiCacheIdx;
-  const int16_t kiCacheIdx6	= 6 + kiCacheIdx;
-  const int16_t kiCacheIdx7	= 7 + kiCacheIdx;
+  const uint32_t kuiMv32        = LD32 (pMv);
+  const uint64_t kuiMv64        = BUTTERFLY4x8 (kuiMv32);
+  const int16_t kiScan4Idx      = g_kuiMbCountScan4Idx[kiPartIdx];
+  const int16_t kiCacheIdx      = g_kuiCache30ScanIdx[kiPartIdx];
+  const int16_t kiCacheIdx1     = 1 + kiCacheIdx;
+  const int16_t kiCacheIdx6     = 6 + kiCacheIdx;
+  const int16_t kiCacheIdx7     = 7 + kiCacheIdx;
 
   //mb
   ST64 (&pCurMb->sMv[  kiScan4Idx], kuiMv64);
--- a/codec/encoder/core/src/nal_encap.cpp
+++ b/codec/encoder/core/src/nal_encap.cpp
@@ -45,18 +45,18 @@
  */
 void WelsLoadNal (SWelsEncoderOutput* pEncoderOuput, const int32_t/*EWelsNalUnitType*/ kiType,
                   const int32_t/*EWelsNalRefIdc*/ kiNalRefIdc) {
-  SWelsEncoderOutput* pWelsEncoderOuput	= pEncoderOuput;
-  SWelsNalRaw* pRawNal			= &pWelsEncoderOuput->sNalList[ pWelsEncoderOuput->iNalIndex ];
-  SNalUnitHeader* sNalUnitHeader	= &pRawNal->sNalExt.sNalUnitHeader;
-  const int32_t kiStartPos		= (BsGetBitsPos (&pWelsEncoderOuput->sBsWrite) >> 3);
+  SWelsEncoderOutput* pWelsEncoderOuput = pEncoderOuput;
+  SWelsNalRaw* pRawNal                  = &pWelsEncoderOuput->sNalList[ pWelsEncoderOuput->iNalIndex ];
+  SNalUnitHeader* sNalUnitHeader        = &pRawNal->sNalExt.sNalUnitHeader;
+  const int32_t kiStartPos              = (BsGetBitsPos (&pWelsEncoderOuput->sBsWrite) >> 3);
 
-  sNalUnitHeader->eNalUnitType	= (EWelsNalUnitType)kiType;
-  sNalUnitHeader->uiNalRefIdc		= (EWelsNalRefIdc)kiNalRefIdc;
-  sNalUnitHeader->uiForbiddenZeroBit	= 0;
+  sNalUnitHeader->eNalUnitType          = (EWelsNalUnitType)kiType;
+  sNalUnitHeader->uiNalRefIdc           = (EWelsNalRefIdc)kiNalRefIdc;
+  sNalUnitHeader->uiForbiddenZeroBit    = 0;
 
-  pRawNal->pRawData		= &pWelsEncoderOuput->pBsBuffer[kiStartPos];
-  pRawNal->iStartPos	 = kiStartPos;
-  pRawNal->iPayloadSize	= 0;
+  pRawNal->pRawData     = &pWelsEncoderOuput->pBsBuffer[kiStartPos];
+  pRawNal->iStartPos    = kiStartPos;
+  pRawNal->iPayloadSize = 0;
 }
 
 /*!
@@ -63,13 +63,13 @@
  * \brief   unload pRawNal NAL
  */
 void WelsUnloadNal (SWelsEncoderOutput* pEncoderOuput) {
-  SWelsEncoderOutput*	pWelsEncoderOuput = pEncoderOuput;
-  int32_t*	pIdx			= &pWelsEncoderOuput->iNalIndex;
-  SWelsNalRaw* pRawNal		= &pWelsEncoderOuput->sNalList[ *pIdx ];
-  const int32_t kiEndPos		= (BsGetBitsPos (&pWelsEncoderOuput->sBsWrite) >> 3);
+  SWelsEncoderOutput*   pWelsEncoderOuput = pEncoderOuput;
+  int32_t*      pIdx            = &pWelsEncoderOuput->iNalIndex;
+  SWelsNalRaw* pRawNal          = &pWelsEncoderOuput->sNalList[ *pIdx ];
+  const int32_t kiEndPos        = (BsGetBitsPos (&pWelsEncoderOuput->sBsWrite) >> 3);
 
   /* count payload size of pRawNal NAL */
-  pRawNal->iPayloadSize	= kiEndPos - pRawNal->iStartPos;
+  pRawNal->iPayloadSize = kiEndPos - pRawNal->iStartPos;
 
   ++ (*pIdx);
 }
@@ -79,19 +79,19 @@
  */
 void WelsLoadNalForSlice (SWelsSliceBs* pSliceBsIn, const int32_t/*EWelsNalUnitType*/ kiType,
                           const int32_t/*EWelsNalRefIdc*/ kiNalRefIdc) {
-  SWelsSliceBs* pSliceBs		    = pSliceBsIn;
-  SWelsNalRaw* pRawNal		= &pSliceBs->sNalList[ pSliceBs->iNalIndex ];
-  SNalUnitHeader* sNalUnitHeader	= &pRawNal->sNalExt.sNalUnitHeader;
-  SBitStringAux* pBitStringAux	= &pSliceBs->sBsWrite;
-  const int32_t kiStartPos		    = (BsGetBitsPos (pBitStringAux) >> 3);
+  SWelsSliceBs* pSliceBs                = pSliceBsIn;
+  SWelsNalRaw* pRawNal                  = &pSliceBs->sNalList[ pSliceBs->iNalIndex ];
+  SNalUnitHeader* sNalUnitHeader        = &pRawNal->sNalExt.sNalUnitHeader;
+  SBitStringAux* pBitStringAux          = &pSliceBs->sBsWrite;
+  const int32_t kiStartPos              = (BsGetBitsPos (pBitStringAux) >> 3);
 
-  sNalUnitHeader->eNalUnitType	= (EWelsNalUnitType)kiType;
-  sNalUnitHeader->uiNalRefIdc		= (EWelsNalRefIdc)kiNalRefIdc;
-  sNalUnitHeader->uiForbiddenZeroBit	= 0;
+  sNalUnitHeader->eNalUnitType          = (EWelsNalUnitType)kiType;
+  sNalUnitHeader->uiNalRefIdc           = (EWelsNalRefIdc)kiNalRefIdc;
+  sNalUnitHeader->uiForbiddenZeroBit    = 0;
 
-  pRawNal->pRawData		= &pSliceBs->pBsBuffer[kiStartPos];
-  pRawNal->iStartPos	 = kiStartPos;
-  pRawNal->iPayloadSize	= 0;
+  pRawNal->pRawData     = &pSliceBs->pBsBuffer[kiStartPos];
+  pRawNal->iStartPos    = kiStartPos;
+  pRawNal->iPayloadSize = 0;
 }
 
 /*!
@@ -98,14 +98,14 @@
  * \brief   unload pRawNal NAL
  */
 void WelsUnloadNalForSlice (SWelsSliceBs* pSliceBsIn) {
-  SWelsSliceBs* pSliceBs	        = pSliceBsIn;
-  int32_t*	pIdx			            = &pSliceBs->iNalIndex;
-  SWelsNalRaw* pRawNal		= &pSliceBs->sNalList[ *pIdx ];
-  SBitStringAux* pBitStringAux	= &pSliceBs->sBsWrite;
-  const int32_t kiEndPos		        = (BsGetBitsPos (pBitStringAux) >> 3);
+  SWelsSliceBs* pSliceBs        = pSliceBsIn;
+  int32_t*      pIdx            = &pSliceBs->iNalIndex;
+  SWelsNalRaw* pRawNal          = &pSliceBs->sNalList[ *pIdx ];
+  SBitStringAux* pBitStringAux  = &pSliceBs->sBsWrite;
+  const int32_t kiEndPos        = (BsGetBitsPos (pBitStringAux) >> 3);
 
   /* count payload size of pRawNal NAL */
-  pRawNal->iPayloadSize	= kiEndPos - pRawNal->iStartPos;
+  pRawNal->iPayloadSize = kiEndPos - pRawNal->iStartPos;
 
   ++ (*pIdx);
 }
@@ -124,7 +124,7 @@
                        int32_t* pDstLen) {
   const bool kbNALExt = pRawNal->sNalExt.sNalUnitHeader.eNalUnitType == NAL_UNIT_PREFIX
                         || pRawNal->sNalExt.sNalUnitHeader.eNalUnitType == NAL_UNIT_CODED_SLICE_EXT;
-  int32_t iAssumedNeededLength		= NAL_HEADER_SIZE + (kbNALExt ? 3 : 0) + pRawNal->iPayloadSize + 1;
+  int32_t iAssumedNeededLength = NAL_HEADER_SIZE + (kbNALExt ? 3 : 0) + pRawNal->iPayloadSize + 1;
   WELS_VERIFY_RETURN_IF (ENC_RETURN_UNEXPECTED, (iAssumedNeededLength <= 0))
 
   //since for each 0x000 need a 0x03, so the needed length will not exceed (iAssumeNeedLenth + iAssumeNeedLength/3), here adjust to >>1 to omit division
@@ -132,12 +132,12 @@
     return ENC_RETURN_MEMALLOCERR;
     //TODO: call the realloc&copy instead
   }
-  uint8_t* pDstStart	    = (uint8_t*)pDst;
-  uint8_t* pDstPointer	= pDstStart;
-  uint8_t* pSrcPointer	= pRawNal->pRawData;
-  uint8_t* pSrcEnd		= pRawNal->pRawData + pRawNal->iPayloadSize;
-  int32_t iZeroCount		= 0;
-  int32_t iNalLength		= 0;
+  uint8_t* pDstStart    = (uint8_t*)pDst;
+  uint8_t* pDstPointer  = pDstStart;
+  uint8_t* pSrcPointer  = pRawNal->pRawData;
+  uint8_t* pSrcEnd      = pRawNal->pRawData + pRawNal->iPayloadSize;
+  int32_t iZeroCount    = 0;
+  int32_t iNalLength    = 0;
   *pDstLen = 0;
 
   static const uint8_t kuiStartCodePrefix[NAL_HEADER_SIZE] = { 0, 0, 0, 1 };
@@ -145,20 +145,20 @@
   pDstPointer += 4;
 
   /* NAL Unit Header */
-  *pDstPointer++	= (pRawNal->sNalExt.sNalUnitHeader.uiNalRefIdc << 5) | (pRawNal->sNalExt.sNalUnitHeader.eNalUnitType &
+  *pDstPointer++ = (pRawNal->sNalExt.sNalUnitHeader.uiNalRefIdc << 5) | (pRawNal->sNalExt.sNalUnitHeader.eNalUnitType &
                     0x1f);
 
   if (kbNALExt) {
-    SNalUnitHeaderExt* sNalExt	= (SNalUnitHeaderExt*)pNalHeaderExt;
+    SNalUnitHeaderExt* sNalExt = (SNalUnitHeaderExt*)pNalHeaderExt;
 
     /* NAL UNIT Extension Header */
-    *pDstPointer++ =	(0x80) |
+    *pDstPointer++ = (0x80) |
                       (sNalExt->bIdrFlag << 6);
 
-    *pDstPointer++ =	(0x80) |
+    *pDstPointer++ = (0x80) |
                       (sNalExt->uiDependencyId << 4);
 
-    *pDstPointer++ =	(sNalExt->uiTemporalId << 5) |
+    *pDstPointer++ = (sNalExt->uiTemporalId << 5) |
                       (sNalExt->bDiscardableFlag << 3) |
                       (0x07);
   }
@@ -166,21 +166,21 @@
   while (pSrcPointer < pSrcEnd) {
     if (iZeroCount == 2 && *pSrcPointer <= 3) {
       //add the code 03
-      *pDstPointer++	= 3;
-      iZeroCount		= 0;
+      *pDstPointer++ = 3;
+      iZeroCount = 0;
     }
     if (*pSrcPointer == 0) {
       ++ iZeroCount;
     } else {
-      iZeroCount		= 0;
+      iZeroCount = 0;
     }
     *pDstPointer++ = *pSrcPointer++;
   }
 
   /* count length of NAL Unit */
-  iNalLength	= (int32_t) (pDstPointer - pDstStart);
+  iNalLength = (int32_t) (pDstPointer - pDstStart);
   if (NULL != pDstLen)
-    *pDstLen	= iNalLength;
+    *pDstLen = iNalLength;
 
   return ENC_RETURN_SUCCESS;
 }
--- a/codec/encoder/core/src/picture_handle.cpp
+++ b/codec/encoder/core/src/picture_handle.cpp
@@ -54,51 +54,51 @@
   int32_t iPicWidth = 0;
   int32_t iPicHeight = 0;
 
-  int32_t iPicChromaWidth	= 0;
-  int32_t iPicChromaHeight	= 0;
-  int32_t iLumaSize			= 0;
-  int32_t iChromaSize			= 0;
+  int32_t iPicChromaWidth       = 0;
+  int32_t iPicChromaHeight      = 0;
+  int32_t iLumaSize             = 0;
+  int32_t iChromaSize           = 0;
 
-  pPic	= static_cast<SPicture*> (pMa->WelsMallocz (sizeof (SPicture), "pPic"));
+  pPic = static_cast<SPicture*> (pMa->WelsMallocz (sizeof (SPicture), "pPic"));
 
   WELS_VERIFY_RETURN_IF (NULL, NULL == pPic);
 
-  iPicWidth	= WELS_ALIGN (kiWidth, MB_WIDTH_LUMA) + (PADDING_LENGTH << 1);	// with width of horizon
-  iPicHeight	= WELS_ALIGN (kiHeight, MB_HEIGHT_LUMA) + (PADDING_LENGTH << 1);	// with height of vertical
-  iPicChromaWidth	= iPicWidth >> 1;
-  iPicChromaHeight	= iPicHeight >> 1;
-  iPicWidth	= WELS_ALIGN (iPicWidth,
-                          32);	// 32(or 16 for chroma below) to match original imp. here instead of cache_line_size
-  iPicChromaWidth	= WELS_ALIGN (iPicChromaWidth, 16);
-  iLumaSize	= iPicWidth * iPicHeight;
-  iChromaSize	= iPicChromaWidth * iPicChromaHeight;
+  iPicWidth         = WELS_ALIGN (kiWidth, MB_WIDTH_LUMA) + (PADDING_LENGTH << 1);  // with width of horizon
+  iPicHeight        = WELS_ALIGN (kiHeight, MB_HEIGHT_LUMA) + (PADDING_LENGTH << 1);        // with height of vertical
+  iPicChromaWidth   = iPicWidth >> 1;
+  iPicChromaHeight  = iPicHeight >> 1;
+  iPicWidth         = WELS_ALIGN (iPicWidth,
+                          32);  // 32(or 16 for chroma below) to match original imp. here instead of cache_line_size
+  iPicChromaWidth   = WELS_ALIGN (iPicChromaWidth, 16);
+  iLumaSize         = iPicWidth * iPicHeight;
+  iChromaSize       = iPicChromaWidth * iPicChromaHeight;
 
-  pPic->pBuffer	= (uint8_t*)pMa->WelsMalloc (iLumaSize /* luma */
+  pPic->pBuffer = (uint8_t*)pMa->WelsMalloc (iLumaSize /* luma */
                   + (iChromaSize << 1) /* Cb,Cr */
                   , "pPic->pBuffer");
   WELS_VERIFY_RETURN_PROC_IF (NULL, NULL == pPic->pBuffer, FreePicture (pMa, &pPic));
-  pPic->iLineSize[0]	= iPicWidth;
-  pPic->iLineSize[1]	= pPic->iLineSize[2]	= iPicChromaWidth;
-  pPic->pData[0]	= pPic->pBuffer + (1 + pPic->iLineSize[0]) * PADDING_LENGTH;
-  pPic->pData[1]	= pPic->pBuffer + iLumaSize + (((1 + pPic->iLineSize[1]) * PADDING_LENGTH) >> 1);
-  pPic->pData[2]	= pPic->pBuffer + iLumaSize + iChromaSize + (((1 + pPic->iLineSize[2]) * PADDING_LENGTH) >> 1);
+  pPic->iLineSize[0]    = iPicWidth;
+  pPic->iLineSize[1]    = pPic->iLineSize[2]    = iPicChromaWidth;
+  pPic->pData[0]        = pPic->pBuffer + (1 + pPic->iLineSize[0]) * PADDING_LENGTH;
+  pPic->pData[1]        = pPic->pBuffer + iLumaSize + (((1 + pPic->iLineSize[1]) * PADDING_LENGTH) >> 1);
+  pPic->pData[2]        = pPic->pBuffer + iLumaSize + iChromaSize + (((1 + pPic->iLineSize[2]) * PADDING_LENGTH) >> 1);
 
-  pPic->iWidthInPixel	= kiWidth;
-  pPic->iHeightInPixel	= kiHeight;
-  pPic->iFrameNum			= -1;
+  pPic->iWidthInPixel   = kiWidth;
+  pPic->iHeightInPixel  = kiHeight;
+  pPic->iFrameNum       = -1;
 
-  pPic->bIsLongRef		= false;
+  pPic->bIsLongRef      = false;
   pPic->iLongTermPicNum = -1;
   pPic->uiRecieveConfirmed = 0;
-  pPic->iMarkFrameNum	= -1;
+  pPic->iMarkFrameNum   = -1;
 
   if (bNeedMbInfo) {
     const uint32_t kuiCountMbNum = ((15 + kiWidth) >> 4) * ((15 + kiHeight) >> 4);
 
-    pPic->uiRefMbType	= (uint32_t*)pMa->WelsMallocz (kuiCountMbNum * sizeof (uint32_t), "pPic->uiRefMbType");
+    pPic->uiRefMbType = (uint32_t*)pMa->WelsMallocz (kuiCountMbNum * sizeof (uint32_t), "pPic->uiRefMbType");
     WELS_VERIFY_RETURN_PROC_IF (NULL, NULL == pPic->uiRefMbType, FreePicture (pMa, &pPic));
 
-    pPic->pRefMbQp	= (uint8_t*)pMa->WelsMallocz (kuiCountMbNum * sizeof (uint8_t), "pPic->pRefMbQp");
+    pPic->pRefMbQp = (uint8_t*)pMa->WelsMallocz (kuiCountMbNum * sizeof (uint8_t), "pPic->pRefMbQp");
     WELS_VERIFY_RETURN_PROC_IF (NULL, NULL == pPic->pRefMbQp, FreePicture (pMa, &pPic));
 
     pPic->sMvList           = static_cast<SMVUnitXY*> (pMa->WelsMallocz (kuiCountMbNum * sizeof (SMVUnitXY),
@@ -134,22 +134,22 @@
       pMa->WelsFree (pPic->pBuffer, "pPic->pBuffer");
       pPic->pBuffer = NULL;
     }
-    pPic->pBuffer		= NULL;
-    pPic->pData[0]	=
-      pPic->pData[1]	=
-        pPic->pData[2]	= NULL;
-    pPic->iLineSize[0] =
-      pPic->iLineSize[1] =
+    pPic->pBuffer          = NULL;
+    pPic->pData[0]         =
+      pPic->pData[1]       =
+        pPic->pData[2]     = NULL;
+    pPic->iLineSize[0]     =
+      pPic->iLineSize[1]   =
         pPic->iLineSize[2] = 0;
 
-    pPic->iWidthInPixel		= 0;
-    pPic->iHeightInPixel	= 0;
-    pPic->iFrameNum			= -1;
+    pPic->iWidthInPixel         = 0;
+    pPic->iHeightInPixel        = 0;
+    pPic->iFrameNum             = -1;
 
-    pPic->bIsLongRef		= false;
-    pPic->uiRecieveConfirmed  = 0;
-    pPic->iLongTermPicNum  = -1;
-    pPic->iMarkFrameNum		= -1;
+    pPic->bIsLongRef            = false;
+    pPic->uiRecieveConfirmed    = 0;
+    pPic->iLongTermPicNum       = -1;
+    pPic->iMarkFrameNum         = -1;
 
     if (pPic->uiRefMbType) {
       pMa->WelsFree (pPic->uiRefMbType, "pPic->uiRefMbType");
--- a/codec/encoder/core/src/property.cpp
+++ b/codec/encoder/core/src/property.cpp
@@ -38,7 +38,7 @@
  *************************************************************************************
  */
 #include "property.h"
-#include "crt_util_safe_x.h"	// Safe CRT routines like utils for cross_platforms
+#include "crt_util_safe_x.h" // Safe CRT routines like utils for cross_platforms
 namespace WelsEnc {
 #define WELS_CODE_NAME  "Wels"
 #define WELS_LIB_NAME   "Encoder"
@@ -64,11 +64,11 @@
   if (NULL == pBuf)
     return 0;
 
-  iLen = (int32_t)strlen (WELS_CODE_NAME);	// confirmed_safe_unsafe_usage
+  iLen = (int32_t)strlen (WELS_CODE_NAME); // confirmed_safe_unsafe_usage
   if (iSize <= iLen)
     return 0;
 
-  WelsStrncpy (pBuf, iSize, WELS_CODE_NAME);	// confirmed_safe_unsafe_usage
+  WelsStrncpy (pBuf, iSize, WELS_CODE_NAME); // confirmed_safe_unsafe_usage
 
   return iLen;
 }
@@ -85,11 +85,11 @@
   if (NULL == pBuf)
     return 0;
 
-  iLen	= (int32_t)strlen (WELS_LIB_NAME);	// confirmed_safe_unsafe_usage
+  iLen = (int32_t)strlen (WELS_LIB_NAME); // confirmed_safe_unsafe_usage
   if (iSize <= iLen)
     return 0;
 
-  WelsStrncpy (pBuf, iSize, WELS_LIB_NAME);	// confirmed_safe_unsafe_usage
+  WelsStrncpy (pBuf, iSize, WELS_LIB_NAME); // confirmed_safe_unsafe_usage
 
   return iLen;
 }
@@ -106,11 +106,11 @@
   if (NULL == pBuf)
     return 0;
 
-  iLen	= (int32_t)strlen (WELS_VERSION_STR);	// confirmed_safe_unsafe_usage
+  iLen = (int32_t)strlen (WELS_VERSION_STR); // confirmed_safe_unsafe_usage
   if (iSize <= iLen)
     return 0;
 
-  WelsStrncpy (pBuf, iSize, WELS_VERSION_STR);	// confirmed_safe_unsafe_usage
+  WelsStrncpy (pBuf, iSize, WELS_VERSION_STR); // confirmed_safe_unsafe_usage
 
   return iLen;
 }
@@ -127,11 +127,11 @@
   if (NULL == pBuf)
     return 0;
 
-  iLen	= (int32_t)strlen (WELS_IDENT);	// confirmed_safe_unsafe_usage
+  iLen = (int32_t)strlen (WELS_IDENT); // confirmed_safe_unsafe_usage
   if (iSize <= iLen)
     return 0;
 
-  WelsStrncpy (pBuf, iSize, WELS_IDENT);	// confirmed_safe_unsafe_usage
+  WelsStrncpy (pBuf, iSize, WELS_IDENT); // confirmed_safe_unsafe_usage
 
   return iLen;
 }
--- a/codec/encoder/core/src/ratectl.cpp
+++ b/codec/encoder/core/src/ratectl.cpp
@@ -59,27 +59,27 @@
 }; //WELS_ROUND(INT_MULTIPLY*pow (2.0, (iQP - 4.0) / 6.0))
 
 void RcInitLayerMemory (SWelsSvcRc* pWelsSvcRc, CMemoryAlign* pMA, const int32_t kiMaxTl) {
-  const int32_t kiSliceNum			= pWelsSvcRc->iSliceNum;
-  const int32_t kiGomSize				= pWelsSvcRc->iGomSize;
-  const int32_t kiGomSizeD			= kiGomSize * sizeof (double);
-  const int32_t kiGomSizeI			= kiGomSize * sizeof (int32_t);
-  const int32_t kiLayerRcSize			= kiGomSizeD + (kiGomSizeI * 3) +  sizeof (SRCTemporal) * kiMaxTl;
-  uint8_t* pBaseMem					= (uint8_t*)pMA->WelsMalloc (kiLayerRcSize, "pWelsSvcRc->pTemporalOverRc");
+  const int32_t kiSliceNum      = pWelsSvcRc->iSliceNum;
+  const int32_t kiGomSize       = pWelsSvcRc->iGomSize;
+  const int32_t kiGomSizeD      = kiGomSize * sizeof (double);
+  const int32_t kiGomSizeI      = kiGomSize * sizeof (int32_t);
+  const int32_t kiLayerRcSize   = kiGomSizeD + (kiGomSizeI * 3) +  sizeof (SRCTemporal) * kiMaxTl;
+  uint8_t* pBaseMem             = (uint8_t*)pMA->WelsMalloc (kiLayerRcSize, "pWelsSvcRc->pTemporalOverRc");
 
   if (NULL == pBaseMem)
     return;
 
-  pWelsSvcRc->pTemporalOverRc			= (SRCTemporal*)pBaseMem;
+  pWelsSvcRc->pTemporalOverRc   = (SRCTemporal*)pBaseMem;
   pBaseMem += sizeof (SRCTemporal) * kiMaxTl;
-  pWelsSvcRc->pGomComplexity				= (double*)pBaseMem;
+  pWelsSvcRc->pGomComplexity    = (double*)pBaseMem;
   pBaseMem += kiGomSizeD;
-  pWelsSvcRc->pGomForegroundBlockNum	= (int32_t*)pBaseMem;
+  pWelsSvcRc->pGomForegroundBlockNum    = (int32_t*)pBaseMem;
   pBaseMem += kiGomSizeI;
-  pWelsSvcRc->pCurrentFrameGomSad		= (int32_t*)pBaseMem;
+  pWelsSvcRc->pCurrentFrameGomSad       = (int32_t*)pBaseMem;
   pBaseMem += kiGomSizeI;
-  pWelsSvcRc->pGomCost					= (int32_t*)pBaseMem;
+  pWelsSvcRc->pGomCost          = (int32_t*)pBaseMem;
 
-  pWelsSvcRc->pSlicingOverRc			= (SRCSlicing*)pMA->WelsMalloc (sizeof (SRCSlicing) * kiSliceNum, "SlicingOverRC");
+  pWelsSvcRc->pSlicingOverRc    = (SRCSlicing*)pMA->WelsMalloc (sizeof (SRCSlicing) * kiSliceNum, "SlicingOverRC");
 }
 
 void RcFreeLayerMemory (SWelsSvcRc* pWelsSvcRc, CMemoryAlign* pMA) {
@@ -90,10 +90,10 @@
   if (pWelsSvcRc != NULL && pWelsSvcRc->pTemporalOverRc != NULL) {
     pMA->WelsFree (pWelsSvcRc->pTemporalOverRc, "pWelsSvcRc->pTemporalOverRc");
     pWelsSvcRc->pTemporalOverRc         = NULL;
-    pWelsSvcRc->pGomComplexity			= NULL;
-    pWelsSvcRc->pGomForegroundBlockNum	= NULL;
-    pWelsSvcRc->pCurrentFrameGomSad	= NULL;
-    pWelsSvcRc->pGomCost				= NULL;
+    pWelsSvcRc->pGomComplexity          = NULL;
+    pWelsSvcRc->pGomForegroundBlockNum  = NULL;
+    pWelsSvcRc->pCurrentFrameGomSad     = NULL;
+    pWelsSvcRc->pGomCost                = NULL;
   }
 }
 
@@ -121,7 +121,7 @@
     pWelsSvcRc->iNumberMbFrame = iMbWidth * (pDLayerParam->iVideoHeight >> 4);
     pWelsSvcRc->iSliceNum = pSliceCtx->iSliceNumInFrame;
 
-    pWelsSvcRc->iRcVaryPercentage = pEncCtx->pSvcParam->iBitsVaryPercentage;	// % -- for temp
+    pWelsSvcRc->iRcVaryPercentage = pEncCtx->pSvcParam->iBitsVaryPercentage; // % -- for temp
     pWelsSvcRc->iRcVaryRatio = pWelsSvcRc->iRcVaryPercentage;
 
     pWelsSvcRc->iSkipBufferRatio  = SKIP_RATIO;
@@ -169,9 +169,9 @@
 
     RcInitLayerMemory (pWelsSvcRc, pEncCtx->pMemAlign, 1 + pEncCtx->pSvcParam->sDependencyLayers[j].iHighestTemporalId);
 
-    bMultiSliceMode	= ((SM_RASTER_SLICE == pDLayerParam->sSliceCfg.uiSliceMode) ||
-                       (SM_ROWMB_SLICE	 == pDLayerParam->sSliceCfg.uiSliceMode) ||
-                       (SM_DYN_SLICE	 == pDLayerParam->sSliceCfg.uiSliceMode));
+    bMultiSliceMode = ((SM_RASTER_SLICE == pDLayerParam->sSliceCfg.uiSliceMode) ||
+                       (SM_ROWMB_SLICE  == pDLayerParam->sSliceCfg.uiSliceMode) ||
+                       (SM_DYN_SLICE    == pDLayerParam->sSliceCfg.uiSliceMode));
     if (bMultiSliceMode)
       pWelsSvcRc->iNumberMbGom = pWelsSvcRc->iNumberMbFrame;
   }
@@ -180,7 +180,7 @@
 
 void RcInitTlWeight (sWelsEncCtx* pEncCtx) {
   SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
-  SRCTemporal* pTOverRc	= pWelsSvcRc->pTemporalOverRc;
+  SRCTemporal* pTOverRc = pWelsSvcRc->pTemporalOverRc;
   SSpatialLayerInternal* pDLayerParam =  &pEncCtx->pSvcParam->sDependencyLayers[pEncCtx->uiDependencyId];
   const int32_t kiDecompositionStages = pDLayerParam->iDecompositionStages;
   const int32_t kiHighestTid = pDLayerParam->iHighestTemporalId;
@@ -193,7 +193,7 @@
 
   n = 0;
   while (n <= kiHighestTid) {
-    pTOverRc[n].iTlayerWeight	= iWeightArray[kiDecompositionStages][n];
+    pTOverRc[n].iTlayerWeight = iWeightArray[kiDecompositionStages][n];
     ++ n;
   }
 //Calculate the frame index for the current frame and its reference frame
@@ -210,16 +210,16 @@
 }
 
 void RcUpdateBitrateFps (sWelsEncCtx* pEncCtx) {
-  SWelsSvcRc* pWelsSvcRc	= &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
-  SRCTemporal* pTOverRc		= pWelsSvcRc->pTemporalOverRc;
+  SWelsSvcRc* pWelsSvcRc    = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+  SRCTemporal* pTOverRc     = pWelsSvcRc->pTemporalOverRc;
 
   SSpatialLayerConfig* pDLayerParam     = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
   SSpatialLayerInternal* pDLayerParamInternal     = &pEncCtx->pSvcParam->sDependencyLayers[pEncCtx->uiDependencyId];
-  const int32_t kiGopSize	= (1 << pDLayerParamInternal->iDecompositionStages);
+  const int32_t kiGopSize = (1 << pDLayerParamInternal->iDecompositionStages);
   const int32_t kiHighestTid = pDLayerParamInternal->iHighestTemporalId;
   const int32_t input_iBitsPerFrame = WELS_DIV_ROUND (pDLayerParam->iSpatialBitrate,
                                       pDLayerParamInternal->fOutputFrameRate);
-  const int64_t kiGopBits	= input_iBitsPerFrame * kiGopSize;
+  const int64_t kiGopBits = input_iBitsPerFrame * kiGopSize;
   int32_t i;
 
   pWelsSvcRc->iBitRate   = pDLayerParam->iSpatialBitrate;
@@ -252,9 +252,9 @@
 
 
 void RcInitVGop (sWelsEncCtx* pEncCtx) {
-  const int32_t kiDid		= pEncCtx->uiDependencyId;
+  const int32_t kiDid = pEncCtx->uiDependencyId;
   SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[kiDid];
-  SRCTemporal* pTOverRc		= pWelsSvcRc->pTemporalOverRc;
+  SRCTemporal* pTOverRc = pWelsSvcRc->pTemporalOverRc;
   const int32_t kiHighestTid = pEncCtx->pSvcParam->sDependencyLayers[kiDid].iHighestTemporalId;
 
   pWelsSvcRc->iRemainingBits = VGOP_SIZE * pWelsSvcRc->iBitsPerFrame;
@@ -269,11 +269,11 @@
 }
 
 void RcInitRefreshParameter (sWelsEncCtx* pEncCtx) {
-  const int32_t kiDid		  = pEncCtx->uiDependencyId;
-  SWelsSvcRc* pWelsSvcRc   = &pEncCtx->pWelsSvcRc[kiDid];
-  SRCTemporal* pTOverRc		  = pWelsSvcRc->pTemporalOverRc;
-  SSpatialLayerConfig* pDLayerParam       = &pEncCtx->pSvcParam->sSpatialLayers[kiDid];
-  SSpatialLayerInternal* pDLayerParamInternal       = &pEncCtx->pSvcParam->sDependencyLayers[kiDid];
+  const int32_t kiDid                         = pEncCtx->uiDependencyId;
+  SWelsSvcRc* pWelsSvcRc                      = &pEncCtx->pWelsSvcRc[kiDid];
+  SRCTemporal* pTOverRc                       = pWelsSvcRc->pTemporalOverRc;
+  SSpatialLayerConfig* pDLayerParam           = &pEncCtx->pSvcParam->sSpatialLayers[kiDid];
+  SSpatialLayerInternal* pDLayerParamInternal = &pEncCtx->pSvcParam->sDependencyLayers[kiDid];
   const int32_t kiHighestTid = pDLayerParamInternal->iHighestTemporalId;
   int32_t i;
 
@@ -296,7 +296,7 @@
 
   pWelsSvcRc->iGopIndexInVGop = 0;
   pWelsSvcRc->iRemainingBits = 0;
-  pWelsSvcRc->iBitsPerFrame	= 0;
+  pWelsSvcRc->iBitsPerFrame = 0;
 
 //Backup the initial bitrate and fps
   pWelsSvcRc->iPreviousBitrate  = pDLayerParam->iSpatialBitrate;
@@ -327,14 +327,14 @@
 
 #if GOM_TRACE_FLAG
 void RcTraceVGopBitrate (sWelsEncCtx* pEncCtx) {
-  const int32_t kiDid				= pEncCtx->uiDependencyId;
-  SWelsSvcRc* pWelsSvcRc			= &pEncCtx->pWelsSvcRc[kiDid];
+  const int32_t kiDid    = pEncCtx->uiDependencyId;
+  SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[kiDid];
 
   if (pWelsSvcRc->iFrameCodedInVGop) {
-    const int32_t kiHighestTid	= pEncCtx->pSvcParam->sDependencyLayers[kiDid].iHighestTemporalId;
-    SRCTemporal* pTOverRc			= pWelsSvcRc->pTemporalOverRc;
+    const int32_t kiHighestTid  = pEncCtx->pSvcParam->sDependencyLayers[kiDid].iHighestTemporalId;
+    SRCTemporal* pTOverRc       = pWelsSvcRc->pTemporalOverRc;
     int32_t iVGopBitrate = 0;
-    int32_t	iTotalBits = pWelsSvcRc->iPaddingBitrateStat;
+    int32_t iTotalBits = pWelsSvcRc->iPaddingBitrateStat;
     int32_t iTid = 0;
     while (iTid <= kiHighestTid) {
       iTotalBits += pTOverRc[iTid].iGopBitsDq;
@@ -356,10 +356,10 @@
 #endif
 
 void RcUpdateTemporalZero (sWelsEncCtx* pEncCtx) {
-  const int32_t kiDid		= pEncCtx->uiDependencyId;
-  SWelsSvcRc* pWelsSvcRc	= &pEncCtx->pWelsSvcRc[kiDid];
-  SSpatialLayerInternal* pDLayerParam		= &pEncCtx->pSvcParam->sDependencyLayers[kiDid];
-  const int32_t kiGopSize	= (1 << pDLayerParam->iDecompositionStages);
+  const int32_t kiDid                   = pEncCtx->uiDependencyId;
+  SWelsSvcRc* pWelsSvcRc                = &pEncCtx->pWelsSvcRc[kiDid];
+  SSpatialLayerInternal* pDLayerParam   = &pEncCtx->pSvcParam->sDependencyLayers[kiDid];
+  const int32_t kiGopSize               = (1 << pDLayerParam->iDecompositionStages);
 
   if (pWelsSvcRc->iPreviousGopSize  != kiGopSize) {
 #if GOM_TRACE_FLAG
@@ -389,8 +389,8 @@
   int32_t dInitialQPArray[4][4] = {{28, 26, 24, 22}, {30, 28, 26, 24}, {32, 30, 28, 26}, {34, 32, 30, 28}};
   int32_t iBppIndex = 0;
 
-  SWelsSvcRc* pWelsSvcRc		= &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
-  SSpatialLayerConfig* pDLayerParam			= &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
+  SWelsSvcRc* pWelsSvcRc                = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+  SSpatialLayerConfig* pDLayerParam     = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
   SSpatialLayerInternal* pDLayerParamInternal       = &pEncCtx->pSvcParam->sDependencyLayers[pEncCtx->uiDependencyId];
   if (pDLayerParamInternal->fOutputFrameRate > EPSN && pDLayerParam->iVideoWidth && pDLayerParam->iVideoHeight)
     dBpp = (double) (pDLayerParam->iSpatialBitrate) / (double) (pDLayerParamInternal->fOutputFrameRate *
@@ -422,7 +422,7 @@
 }
 
 void RcCalculateIdrQp (sWelsEncCtx* pEncCtx) {
-  SWelsSvcRc* pWelsSvcRc			= &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+  SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
 //obtain the idr qp using previous idr complexity
   if (pWelsSvcRc->iNumberMbFrame != pWelsSvcRc->iIntraMbCount) {
     pWelsSvcRc->iIntraComplexity = pWelsSvcRc->iIntraComplexity * pWelsSvcRc->iNumberMbFrame /
@@ -438,9 +438,9 @@
 
 
 void RcCalculatePictureQp (sWelsEncCtx* pEncCtx) {
-  SWelsSvcRc* pWelsSvcRc		= &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
-  int32_t iTl					= pEncCtx->uiTemporalId;
-  SRCTemporal* pTOverRc			= &pWelsSvcRc->pTemporalOverRc[iTl];
+  SWelsSvcRc* pWelsSvcRc        = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+  int32_t iTl                   = pEncCtx->uiTemporalId;
+  SRCTemporal* pTOverRc         = &pWelsSvcRc->pTemporalOverRc[iTl];
   int32_t iLumaQp = 0;
 
   if (0 == pTOverRc->iPFrameNum) {
@@ -515,29 +515,29 @@
 }
 
 void RcInitSliceInformation (sWelsEncCtx* pEncCtx) {
-  SSliceCtx* pCurSliceCtx	= pEncCtx->pCurDqLayer->pSliceEncCtx;
-  SWelsSvcRc* pWelsSvcRc			= &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
-  SRCSlicing* pSOverRc				= &pWelsSvcRc->pSlicingOverRc[0];
-  const int32_t kiSliceNum			= pWelsSvcRc->iSliceNum;
-  const int32_t kiBitsPerMb		= WELS_DIV_ROUND (static_cast<int64_t> (pWelsSvcRc->iTargetBits) * INT_MULTIPLY,
-                                pWelsSvcRc->iNumberMbFrame);
+  SSliceCtx* pCurSliceCtx       = pEncCtx->pCurDqLayer->pSliceEncCtx;
+  SWelsSvcRc* pWelsSvcRc        = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+  SRCSlicing* pSOverRc          = &pWelsSvcRc->pSlicingOverRc[0];
+  const int32_t kiSliceNum      = pWelsSvcRc->iSliceNum;
+  const int32_t kiBitsPerMb     = WELS_DIV_ROUND (static_cast<int64_t> (pWelsSvcRc->iTargetBits) * INT_MULTIPLY,
+                                  pWelsSvcRc->iNumberMbFrame);
 
   for (int32_t i = 0; i < kiSliceNum; i++) {
-    pSOverRc->iStartMbSlice	=
-      pSOverRc->iEndMbSlice		= pCurSliceCtx->pFirstMbInSlice[i];
-    pSOverRc->iEndMbSlice		+= (pCurSliceCtx->pCountMbNumInSlice[i] - 1);
-    pSOverRc->iTotalQpSlice	= 0;
-    pSOverRc->iTotalMbSlice	= 0;
-    pSOverRc->iTargetBitsSlice = WELS_DIV_ROUND (kiBitsPerMb * pCurSliceCtx->pCountMbNumInSlice[i], INT_MULTIPLY);
-    pSOverRc->iFrameBitsSlice	= 0;
-    pSOverRc->iGomBitsSlice	= 0;
+    pSOverRc->iStartMbSlice     =
+      pSOverRc->iEndMbSlice     = pCurSliceCtx->pFirstMbInSlice[i];
+    pSOverRc->iEndMbSlice      += (pCurSliceCtx->pCountMbNumInSlice[i] - 1);
+    pSOverRc->iTotalQpSlice     = 0;
+    pSOverRc->iTotalMbSlice     = 0;
+    pSOverRc->iTargetBitsSlice  = WELS_DIV_ROUND (kiBitsPerMb * pCurSliceCtx->pCountMbNumInSlice[i], INT_MULTIPLY);
+    pSOverRc->iFrameBitsSlice   = 0;
+    pSOverRc->iGomBitsSlice     = 0;
     ++ pSOverRc;
   }
 }
 
 void RcDecideTargetBits (sWelsEncCtx* pEncCtx) {
-  SWelsSvcRc* pWelsSvcRc	= &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
-  SRCTemporal* pTOverRc		= &pWelsSvcRc->pTemporalOverRc[pEncCtx->uiTemporalId];
+  SWelsSvcRc* pWelsSvcRc        = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+  SRCTemporal* pTOverRc         = &pWelsSvcRc->pTemporalOverRc[pEncCtx->uiTemporalId];
 
   pWelsSvcRc->iCurrentBitsLevel = BITS_NORMAL;
 //allocate bits
@@ -560,17 +560,17 @@
 
 
 void RcInitGomParameters (sWelsEncCtx* pEncCtx) {
-  SWelsSvcRc* pWelsSvcRc			= &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
-  SRCSlicing* pSOverRc				= &pWelsSvcRc->pSlicingOverRc[0];
-  const int32_t kiSliceNum			= pWelsSvcRc->iSliceNum;
-  const int32_t kiGlobalQp			= pEncCtx->iGlobalQp;
+  SWelsSvcRc* pWelsSvcRc                = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+  SRCSlicing* pSOverRc                  = &pWelsSvcRc->pSlicingOverRc[0];
+  const int32_t kiSliceNum              = pWelsSvcRc->iSliceNum;
+  const int32_t kiGlobalQp              = pEncCtx->iGlobalQp;
 
   pWelsSvcRc->iAverageFrameQp = 0;
   pWelsSvcRc->iMinFrameQp = 51;
   pWelsSvcRc->iMaxFrameQp = 0;
   for (int32_t i = 0; i < kiSliceNum; ++i) {
-    pSOverRc->iComplexityIndexSlice	= 0;
-    pSOverRc->iCalculatedQpSlice		= kiGlobalQp;
+    pSOverRc->iComplexityIndexSlice     = 0;
+    pSOverRc->iCalculatedQpSlice        = kiGlobalQp;
     ++ pSOverRc;
   }
   memset (pWelsSvcRc->pGomComplexity, 0, pWelsSvcRc->iGomSize * sizeof (double));
@@ -579,16 +579,16 @@
 
 void RcCalculateMbQp (sWelsEncCtx* pEncCtx, SMB* pCurMb, const int32_t kiSliceId) {
   SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
-  SRCSlicing* pSOverRc		= &pWelsSvcRc->pSlicingOverRc[kiSliceId];
-  int32_t iLumaQp			= pSOverRc->iCalculatedQpSlice;
-  SDqLayer* pCurLayer				= pEncCtx->pCurDqLayer;
+  SRCSlicing* pSOverRc          = &pWelsSvcRc->pSlicingOverRc[kiSliceId];
+  int32_t iLumaQp               = pSOverRc->iCalculatedQpSlice;
+  SDqLayer* pCurLayer           = pEncCtx->pCurDqLayer;
   const uint8_t kuiChromaQpIndexOffset = pCurLayer->sLayerInfo.pPpsP->uiChromaQpIndexOffset;
   if (pEncCtx->pSvcParam->bEnableAdaptiveQuant) {
     iLumaQp   = (int8_t)WELS_CLIP3 (iLumaQp +
                                     pEncCtx->pVaa->sAdaptiveQuantParam.pMotionTextureIndexToDeltaQp[pCurMb->iMbXY], pWelsSvcRc->iMinQp, 51);
   }
-  pCurMb->uiChromaQp	= g_kuiChromaQpTable[CLIP3_QP_0_51 (iLumaQp + kuiChromaQpIndexOffset)];
-  pCurMb->uiLumaQp		= iLumaQp;
+  pCurMb->uiChromaQp    = g_kuiChromaQpTable[CLIP3_QP_0_51 (iLumaQp + kuiChromaQpIndexOffset)];
+  pCurMb->uiLumaQp      = iLumaQp;
 }
 
 SWelsSvcRc* RcJudgeBaseUsability (sWelsEncCtx* pEncCtx) {
@@ -615,15 +615,15 @@
 }
 
 void RcGomTargetBits (sWelsEncCtx* pEncCtx, const int32_t kiSliceId) {
-  SWelsSvcRc* pWelsSvcRc			= &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
-  SWelsSvcRc* pWelsSvcRc_Base	= NULL;
-  SRCSlicing* pSOverRc				= &pWelsSvcRc->pSlicingOverRc[kiSliceId];
+  SWelsSvcRc* pWelsSvcRc        = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+  SWelsSvcRc* pWelsSvcRc_Base   = NULL;
+  SRCSlicing* pSOverRc          = &pWelsSvcRc->pSlicingOverRc[kiSliceId];
 
   int32_t iAllocateBits = 0;
   int32_t iSumSad = 0;
   int32_t iLastGomIndex = 0;
   int32_t iLeftBits = 0;
-  const int32_t kiComplexityIndex	= pSOverRc->iComplexityIndexSlice;
+  const int32_t kiComplexityIndex = pSOverRc->iComplexityIndexSlice;
   int32_t i;
 
   iLastGomIndex  = pSOverRc->iEndMbSlice / pWelsSvcRc->iNumberMbGom;
@@ -653,8 +653,8 @@
 
 
 void RcCalculateGomQp (sWelsEncCtx* pEncCtx, SMB* pCurMb, int32_t iSliceId) {
-  SWelsSvcRc* pWelsSvcRc			= &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
-  SRCSlicing* pSOverRc				= &pWelsSvcRc->pSlicingOverRc[iSliceId];
+  SWelsSvcRc* pWelsSvcRc        = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+  SRCSlicing* pSOverRc          = &pWelsSvcRc->pSlicingOverRc[iSliceId];
   int64_t iBitsRatio = 1;
 
   int64_t iLeftBits = pSOverRc->iTargetBitsSlice - pSOverRc->iFrameBitsSlice;
@@ -665,13 +665,13 @@
   } else {
 //globe decision
     iBitsRatio = 10000 * iLeftBits / (iTargetLeftBits + 1);
-    if (iBitsRatio < 8409)		//2^(-1.5/6)*10000
+    if (iBitsRatio < 8409)              //2^(-1.5/6)*10000
       pSOverRc->iCalculatedQpSlice += 2;
-    else if (iBitsRatio < 9439)	//2^(-0.5/6)*10000
+    else if (iBitsRatio < 9439)         //2^(-0.5/6)*10000
       pSOverRc->iCalculatedQpSlice += 1;
-    else if (iBitsRatio > 10600)		//2^(0.5/6)*10000
+    else if (iBitsRatio > 10600)        //2^(0.5/6)*10000
       pSOverRc->iCalculatedQpSlice -= 1;
-    else if (iBitsRatio > 11900)		//2^(1.5/6)*10000
+    else if (iBitsRatio > 11900)        //2^(1.5/6)*10000
       pSOverRc->iCalculatedQpSlice -= 2;
   }
 
@@ -687,7 +687,7 @@
 
 void   RcVBufferCalculationSkip (sWelsEncCtx* pEncCtx) {
   SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
-  SRCTemporal* pTOverRc		= pWelsSvcRc->pTemporalOverRc;
+  SRCTemporal* pTOverRc = pWelsSvcRc->pTemporalOverRc;
   const int32_t kiOutputBits = pWelsSvcRc->iBitsPerFrame;
   const int32_t kiOutputMaxBits = pWelsSvcRc->iMaxBitsPerFrame;
 //condition 1: whole pBuffer fullness
@@ -803,7 +803,7 @@
   SSpatialPicIndex* pSpatialIndexMap = &pEncCtx->sSpatialIndexMap[0];
 
   for (int32_t i = 0; i < iSpatialNum; i++) {
-    int32_t iCurDid	= (pSpatialIndexMap + i)->iDid;
+    int32_t iCurDid = (pSpatialIndexMap + i)->iDid;
     SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[iCurDid];
     const int32_t kiOutputBits = pWelsSvcRc->iBitsPerFrame;
     const int32_t kiOutputMaxBits = pWelsSvcRc->iMaxBitsPerFrame;
@@ -831,7 +831,7 @@
     pEncCtx->iCheckWindowCurrentTs = pEncCtx->iCheckWindowStartTs = uiTimeStamp;
     pEncCtx->bCheckWindowStatusRefreshFlag = true;
     for (int32_t i = 0; i < iSpatialNum; i++) {
-      int32_t iCurDid	= (pSpatialIndexMap + i)->iDid;
+      int32_t iCurDid = (pSpatialIndexMap + i)->iDid;
       pEncCtx->pWelsSvcRc[iCurDid].iBufferFullnessSkip = 0;
       pEncCtx->pWelsSvcRc[iCurDid].iBufferMaxBRFullness[ODD_TIME_WINDOW] = 0;
       pEncCtx->pWelsSvcRc[iCurDid].iBufferMaxBRFullness[EVEN_TIME_WINDOW] = 0;
@@ -844,7 +844,7 @@
   if (pEncCtx->iCheckWindowInterval >= (TIME_CHECK_WINDOW >> 1) && !pEncCtx->bCheckWindowShiftResetFlag) {
     pEncCtx->bCheckWindowShiftResetFlag = true;
     for (int32_t i = 0; i < iSpatialNum; i++) {
-      int32_t iCurDid	= (pSpatialIndexMap + i)->iDid;
+      int32_t iCurDid = (pSpatialIndexMap + i)->iDid;
       if (pEncCtx->pWelsSvcRc[iCurDid].iBufferMaxBRFullness[ODD_TIME_WINDOW] > 0
           && pEncCtx->pWelsSvcRc[iCurDid].iBufferMaxBRFullness[ODD_TIME_WINDOW] !=
           pEncCtx->pWelsSvcRc[iCurDid].iBufferMaxBRFullness[0]) {
@@ -863,7 +863,7 @@
     pEncCtx->iCheckWindowInterval = 0;
     pEncCtx->bCheckWindowShiftResetFlag = false;
     for (int32_t i = 0; i < iSpatialNum; i++) {
-      int32_t iCurDid	= (pSpatialIndexMap + i)->iDid;
+      int32_t iCurDid = (pSpatialIndexMap + i)->iDid;
       if (pEncCtx->pWelsSvcRc[iCurDid].iBufferMaxBRFullness[EVEN_TIME_WINDOW] > 0) {
         pEncCtx->pWelsSvcRc[iCurDid].bNeedShiftWindowCheck[ODD_TIME_WINDOW] = true;
       } else {
@@ -884,7 +884,7 @@
 
   if (pWelsSvcRc->iBufferFullnessPadding < kiBufferThreshold) {
     pWelsSvcRc->iPaddingSize = -pWelsSvcRc->iBufferFullnessPadding;
-    pWelsSvcRc->iPaddingSize >>= 3;	// /8
+    pWelsSvcRc->iPaddingSize >>= 3; // /8
     pWelsSvcRc->iBufferFullnessPadding = 0;
   } else
     pWelsSvcRc->iPaddingSize = 0;
@@ -912,7 +912,7 @@
 
 void RcUpdatePictureQpBits (sWelsEncCtx* pEncCtx, int32_t iCodedBits) {
   SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
-  SRCSlicing* pSOverRc		= &pWelsSvcRc->pSlicingOverRc[0];
+  SRCSlicing* pSOverRc = &pWelsSvcRc->pSlicingOverRc[0];
   SSliceCtx* pCurSliceCtx = pEncCtx->pCurDqLayer->pSliceEncCtx;
   int32_t iTotalQp = 0, iTotalMb = 0;
   int32_t i;
@@ -953,9 +953,9 @@
 }
 
 void RcUpdateFrameComplexity (sWelsEncCtx* pEncCtx) {
-  SWelsSvcRc* pWelsSvcRc		= &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
-  const int32_t kiTl			= pEncCtx->uiTemporalId;
-  SRCTemporal* pTOverRc			= &pWelsSvcRc->pTemporalOverRc[kiTl];
+  SWelsSvcRc* pWelsSvcRc        = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+  const int32_t kiTl            = pEncCtx->uiTemporalId;
+  SRCTemporal* pTOverRc         = &pWelsSvcRc->pTemporalOverRc[kiTl];
 
   if (0 == pTOverRc->iPFrameNum) {
     pTOverRc->iLinearCmplx = ((int64_t)pWelsSvcRc->iFrameDqBits) * pWelsSvcRc->iQStep;
@@ -996,7 +996,7 @@
   SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
 
   if (pEncCtx->eSliceType == I_SLICE) {
-    if (0 == pWelsSvcRc->iIdrNum) {	//iIdrNum == 0 means encoder has been initialed
+    if (0 == pWelsSvcRc->iIdrNum) { //iIdrNum == 0 means encoder has been initialed
       RcInitRefreshParameter (pEncCtx);
     }
   }
@@ -1046,11 +1046,11 @@
 }
 
 void WelsRcMbInitGom (sWelsEncCtx* pEncCtx, SMB* pCurMb, SSlice* pSlice) {
-  SWelsSvcRc* pWelsSvcRc			= &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
-  const int32_t kiSliceId			= pSlice->uiSliceIdx;
-  SRCSlicing* pSOverRc				= &pWelsSvcRc->pSlicingOverRc[kiSliceId];
-  SBitStringAux* bs				= pSlice->pSliceBsa;
-  SDqLayer* pCurLayer				= pEncCtx->pCurDqLayer;
+  SWelsSvcRc* pWelsSvcRc        = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+  const int32_t kiSliceId       = pSlice->uiSliceIdx;
+  SRCSlicing* pSOverRc          = &pWelsSvcRc->pSlicingOverRc[kiSliceId];
+  SBitStringAux* bs             = pSlice->pSliceBsa;
+  SDqLayer* pCurLayer           = pEncCtx->pCurDqLayer;
   const uint8_t kuiChromaQpIndexOffset = pCurLayer->sLayerInfo.pPpsP->uiChromaQpIndexOffset;
 
   pSOverRc->iBsPosSlice = BsGetBitsPos (bs);
@@ -1073,11 +1073,11 @@
 }
 
 void WelsRcMbInfoUpdateGom (sWelsEncCtx* pEncCtx, SMB* pCurMb, int32_t iCostLuma, SSlice* pSlice) {
-  SWelsSvcRc* pWelsSvcRc			= &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
-  SBitStringAux* bs				= pSlice->pSliceBsa;
-  int32_t iSliceId				= pSlice->uiSliceIdx;
-  SRCSlicing* pSOverRc				= &pWelsSvcRc->pSlicingOverRc[iSliceId];
-  const int32_t kiComplexityIndex	= pSOverRc->iComplexityIndexSlice;
+  SWelsSvcRc* pWelsSvcRc            = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
+  SBitStringAux* bs                 = pSlice->pSliceBsa;
+  int32_t iSliceId                  = pSlice->uiSliceIdx;
+  SRCSlicing* pSOverRc              = &pWelsSvcRc->pSlicingOverRc[iSliceId];
+  const int32_t kiComplexityIndex   = pSOverRc->iComplexityIndexSlice;
 
   int32_t iCurMbBits = BsGetBitsPos (bs) - pSOverRc->iBsPosSlice;
   pSOverRc->iFrameBitsSlice += iCurMbBits;
@@ -1095,10 +1095,10 @@
 
 void  WelsRcPictureInitDisable (sWelsEncCtx* pEncCtx, long long uiTimeStamp) {
   SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
-  SSpatialLayerConfig* pDLayerParam		= &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
+  SSpatialLayerConfig* pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
   const int32_t kiQp = pDLayerParam->iDLayerQp;
 
-  pEncCtx->iGlobalQp	= RcCalculateCascadingQp (pEncCtx, kiQp);
+  pEncCtx->iGlobalQp = RcCalculateCascadingQp (pEncCtx, kiQp);
 
   if (pEncCtx->pSvcParam->bEnableAdaptiveQuant && (pEncCtx->eSliceType == P_SLICE)) {
     pEncCtx->iGlobalQp = WELS_CLIP3 ((pEncCtx->iGlobalQp * INT_MULTIPLY -
@@ -1114,9 +1114,9 @@
 }
 
 void  WelsRcMbInitDisable (sWelsEncCtx* pEncCtx, SMB* pCurMb, SSlice* pSlice) {
-  int32_t iLumaQp					= pEncCtx->iGlobalQp;
+  int32_t iLumaQp = pEncCtx->iGlobalQp;
 
-  SDqLayer* pCurLayer				= pEncCtx->pCurDqLayer;
+  SDqLayer* pCurLayer = pEncCtx->pCurDqLayer;
   const uint8_t kuiChromaQpIndexOffset = pCurLayer->sLayerInfo.pPpsP->uiChromaQpIndexOffset;
 
 
@@ -1134,7 +1134,7 @@
 }
 
 void WelRcPictureInitBufferBasedQp (sWelsEncCtx* pEncCtx, long long uiTimeStamp) {
-  SVAAFrameInfo* pVaa			= static_cast<SVAAFrameInfo*> (pEncCtx->pVaa);
+  SVAAFrameInfo* pVaa = static_cast<SVAAFrameInfo*> (pEncCtx->pVaa);
 
   int32_t iMinQp = MIN_SCREEN_QP;
   if (pVaa->eSceneChangeIdc == LARGE_CHANGED_SCENE)
@@ -1292,11 +1292,11 @@
 }
 void  WelsRcPictureInitGomTimeStamp (sWelsEncCtx* pEncCtx, long long uiTimeStamp) {
   SWelsSvcRc* pWelsSvcRc = &pEncCtx->pWelsSvcRc[pEncCtx->uiDependencyId];
-  SSpatialLayerConfig* pDLayerParam			= &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
+  SSpatialLayerConfig* pDLayerParam = &pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId];
   int32_t iLumaQp = pWelsSvcRc->iLastCalculatedQScale;
   //decide one frame bits allocated
   if (pEncCtx->eSliceType == I_SLICE) {
-    if (0 == pWelsSvcRc->iIdrNum) {	//iIdrNum == 0 means encoder has been initialed
+    if (0 == pWelsSvcRc->iIdrNum) { //iIdrNum == 0 means encoder has been initialed
       RcInitRefreshParameter (pEncCtx);
       double dBpp = 0.05;
       if ((pDLayerParam->fFrameRate > EPSN) && (pDLayerParam->iVideoWidth && pDLayerParam->iVideoHeight))
@@ -1344,15 +1344,15 @@
     }
 
   } else {
-    int32_t iTl					= pEncCtx->uiTemporalId;
-    SRCTemporal* pTOverRc			= &pWelsSvcRc->pTemporalOverRc[iTl];
+    int32_t iTl                 = pEncCtx->uiTemporalId;
+    SRCTemporal* pTOverRc       = &pWelsSvcRc->pTemporalOverRc[iTl];
     int32_t iMaxTh = static_cast<int32_t> (pWelsSvcRc->iBufferSizeSkip - pWelsSvcRc->iBufferFullnessSkip);
     int32_t iMinTh = iMaxTh / (iTl + 2);
 
-    SSpatialLayerInternal* pDLayerParamInternal     = &pEncCtx->pSvcParam->sDependencyLayers[pEncCtx->uiDependencyId];
-    const int32_t kiGopSize	= (1 << pDLayerParamInternal->iDecompositionStages);
+    SSpatialLayerInternal* pDLayerParamInternal = &pEncCtx->pSvcParam->sDependencyLayers[pEncCtx->uiDependencyId];
+    const int32_t kiGopSize   = (1 << pDLayerParamInternal->iDecompositionStages);
     int32_t iAverageFrameSize = (int32_t) ((double) (pDLayerParam->iSpatialBitrate) / (double) (pDLayerParam->fFrameRate));
-    const int32_t kiGopBits	= iAverageFrameSize * kiGopSize;
+    const int32_t kiGopBits   = iAverageFrameSize * kiGopSize;
     int64_t iCmplxRatio = WELS_DIV_ROUND64 (pEncCtx->pVaa->sComplexityAnalysisParam.iFrameComplexity * INT_MULTIPLY,
                                             pTOverRc->iFrameCmplxMean);
     iCmplxRatio = WELS_CLIP3 (iCmplxRatio, INT_MULTIPLY - FRAME_CMPLX_RATIO_RANGE, INT_MULTIPLY + FRAME_CMPLX_RATIO_RANGE);
--- a/codec/encoder/core/src/ref_list_mgr_svc.cpp
+++ b/codec/encoder/core/src/ref_list_mgr_svc.cpp
@@ -40,7 +40,7 @@
 *   reset LTR marking , recovery ,feedback state to default
 */
 void ResetLtrState (SLTRState* pLtr) {
-  pLtr->bReceivedT0LostFlag	= false;
+  pLtr->bReceivedT0LostFlag = false;
   pLtr->iLastRecoverFrameNum = 0;
   pLtr->iLastCorFrameNumDec = -1;
   pLtr->iCurFrameNumInDec = -1;
@@ -48,7 +48,7 @@
   // LTR mark
   pLtr->iLTRMarkMode = LTR_DIRECT_MARK;
   pLtr->iLTRMarkSuccessNum = 0; //successful marked num
-  pLtr->bLTRMarkingFlag = false;	//decide whether current frame marked as LTR
+  pLtr->bLTRMarkingFlag = false; //decide whether current frame marked as LTR
   pLtr->bLTRMarkEnable = false; //when LTR is confirmed and the interval is no smaller than the marking period
   pLtr->iCurLtrIdx = 0;
   memset (&pLtr->iLastLtrIdx , 0 , sizeof (pLtr->iLastLtrIdx)) ;
@@ -149,7 +149,7 @@
 *   delete failed mark according LTR recovery pRequest
 */
 static inline void DeleteInvalidLTR (sWelsEncCtx* pCtx) {
-  SRefList* pRefList		= pCtx->ppRefPicListExt[pCtx->uiDependencyId];
+  SRefList* pRefList = pCtx->ppRefPicListExt[pCtx->uiDependencyId];
   SPicture** pLongRefList = pRefList->pLongRefList;
   SLTRState* pLtr = &pCtx->pLtr[pCtx->uiDependencyId];
   int32_t iMaxFrameNumPlus1 = (1 << pCtx->pSps->uiLog2MaxFrameNum);
@@ -191,8 +191,8 @@
 *   handle LTR Mark feedback message
 */
 static inline void HandleLTRMarkFeedback (sWelsEncCtx* pCtx) {
-  SRefList* pRefList		= pCtx->ppRefPicListExt[pCtx->uiDependencyId];
-  SPicture** pLongRefList		= pRefList->pLongRefList;
+  SRefList* pRefList            = pCtx->ppRefPicListExt[pCtx->uiDependencyId];
+  SPicture** pLongRefList       = pRefList->pLongRefList;
   SLTRState* pLtr = &pCtx->pLtr[pCtx->uiDependencyId];
   int32_t i, j;
 
@@ -246,7 +246,7 @@
  *  LTR mark process
  */
 static inline void LTRMarkProcess (sWelsEncCtx* pCtx) {
-  SRefList* pRefList		= pCtx->ppRefPicListExt[pCtx->uiDependencyId];
+  SRefList* pRefList = pCtx->ppRefPicListExt[pCtx->uiDependencyId];
   SPicture** pLongRefList = pRefList->pLongRefList;
   SPicture** pShortRefList = pRefList->pShortRefList;
   SLTRState* pLtr = &pCtx->pLtr[pCtx->uiDependencyId];
@@ -295,9 +295,9 @@
 
     if (pRefList->uiLongRefCount > 0) {
       memmove (&pRefList->pLongRefList[1], &pRefList->pLongRefList[0],
-               pRefList->uiLongRefCount * sizeof (SPicture*));	// confirmed_safe_unsafe_usage
+               pRefList->uiLongRefCount * sizeof (SPicture*)); // confirmed_safe_unsafe_usage
     }
-    pLongRefList[0]	 = pShortRefList[i];
+    pLongRefList[0] = pShortRefList[i];
     pRefList->uiLongRefCount++;
     if (pRefList->uiLongRefCount > pCtx->pSvcParam->iLTRRefNum) {
       pRefList->pLongRefList[pRefList->uiLongRefCount - 1]->SetUnref();
@@ -308,7 +308,7 @@
 }
 
 static inline void LTRMarkProcessScreen (sWelsEncCtx* pCtx) {
-  SRefList* pRefList		= pCtx->ppRefPicListExt[pCtx->uiDependencyId];
+  SRefList* pRefList = pCtx->ppRefPicListExt[pCtx->uiDependencyId];
   SPicture** pLongRefList = pRefList->pLongRefList;
   int32_t iLtrIdx =  pCtx->pDecPic->iLongTermPicNum;
   pCtx->pVaa->uiMarkLongTermPicIdx = pCtx->pDecPic->iLongTermPicNum;
@@ -323,8 +323,8 @@
 }
 
 static void PrefetchNextBuffer (sWelsEncCtx* pCtx) {
-  SRefList* pRefList		= pCtx->ppRefPicListExt[pCtx->uiDependencyId];
-  const int32_t kiNumRef	= pCtx->pSvcParam->iNumRefFrame;
+  SRefList* pRefList            = pCtx->ppRefPicListExt[pCtx->uiDependencyId];
+  const int32_t kiNumRef        = pCtx->pSvcParam->iNumRefFrame;
   int32_t i;
 
   pRefList->pNextBuffer = NULL;
@@ -347,14 +347,14 @@
  *  update reference picture list
  */
 bool WelsUpdateRefList (sWelsEncCtx* pCtx) {
-  SRefList* pRefList		= pCtx->ppRefPicListExt[pCtx->uiDependencyId];
-  SLTRState* pLtr			= &pCtx->pLtr[pCtx->uiDependencyId];
-  SSpatialLayerInternal* pParamD	= &pCtx->pSvcParam->sDependencyLayers[pCtx->uiDependencyId];
+  SRefList* pRefList                = pCtx->ppRefPicListExt[pCtx->uiDependencyId];
+  SLTRState* pLtr                   = &pCtx->pLtr[pCtx->uiDependencyId];
+  SSpatialLayerInternal* pParamD    = &pCtx->pSvcParam->sDependencyLayers[pCtx->uiDependencyId];
 
-  int32_t iRefIdx			= 0;
-  const uint8_t kuiTid		= pCtx->uiTemporalId;
-  const uint8_t kuiDid		= pCtx->uiDependencyId;
-  const EWelsSliceType keSliceType		= pCtx->eSliceType;
+  int32_t iRefIdx                   = 0;
+  const uint8_t kuiTid              = pCtx->uiTemporalId;
+  const uint8_t kuiDid              = pCtx->uiDependencyId;
+  const EWelsSliceType keSliceType  = pCtx->eSliceType;
   uint32_t i = 0;
   // Need update pRef list in case store base layer or target dependency layer construction
   if (NULL == pCtx->pCurDqLayer)
@@ -364,7 +364,7 @@
     return false;
 
   if (NULL != pCtx->pDecPic) {
-#if !defined(ENABLE_FRAME_DUMP)	// to save complexity, 1/6/2009
+#if !defined(ENABLE_FRAME_DUMP) // to save complexity, 1/6/2009
     if ((pParamD->iHighestTemporalId == 0) || (kuiTid < pParamD->iHighestTemporalId))
 #endif// !ENABLE_FRAME_DUMP
       // Expanding picture for future reference
@@ -374,11 +374,11 @@
 
     // move picture in list
     pCtx->pDecPic->uiTemporalId = kuiTid;
-    pCtx->pDecPic->uiSpatialId	= kuiDid;
-    pCtx->pDecPic->iFrameNum	= pCtx->iFrameNum;
-    pCtx->pDecPic->iFramePoc	= pCtx->iPOC;
+    pCtx->pDecPic->uiSpatialId  = kuiDid;
+    pCtx->pDecPic->iFrameNum    = pCtx->iFrameNum;
+    pCtx->pDecPic->iFramePoc    = pCtx->iPOC;
     pCtx->pDecPic->uiRecieveConfirmed = RECIEVE_UNKOWN;
-    pCtx->pDecPic->bUsedAsRef	= true;
+    pCtx->pDecPic->bUsedAsRef   = true;
 
     for (iRefIdx = pRefList->uiShortRefCount - 1; iRefIdx >= 0; --iRefIdx) {
       pRefList->pShortRefList[iRefIdx + 1] = pRefList->pShortRefList[iRefIdx];
@@ -409,7 +409,7 @@
         DeleteSTRFromShortList (pCtx, 0);
       }
     }
-  } else {	// in case IDR currently coding
+  } else { // in case IDR currently coding
     if (pCtx->pSvcParam->bEnableLongTermReference) {
       LTRMarkProcess (pCtx);
 
@@ -428,7 +428,7 @@
 
 bool CheckCurMarkFrameNumUsed (sWelsEncCtx* pCtx) {
   SLTRState* pLtr = &pCtx->pLtr[pCtx->uiDependencyId];
-  SRefList* pRefList	= pCtx->ppRefPicListExt[pCtx->uiDependencyId];
+  SRefList* pRefList = pCtx->ppRefPicListExt[pCtx->uiDependencyId];
   SPicture** pLongRefList = pRefList->pLongRefList;
   int32_t iGoPFrameNumInterval = ((pCtx->pSvcParam->uiGopSize >> 1) > 1) ? (pCtx->pSvcParam->uiGopSize >> 1) : (1);
   int32_t iMaxFrameNumPlus1 = (1 << pCtx->pSps->uiLog2MaxFrameNum);
@@ -446,7 +446,7 @@
 }
 void WelsMarkPic (sWelsEncCtx* pCtx) {
   SLTRState* pLtr = &pCtx->pLtr[pCtx->uiDependencyId];
-  const int32_t kiCountSliceNum			= GetCurrentSliceNum (pCtx->pCurDqLayer->pSliceEncCtx);
+  const int32_t kiCountSliceNum = GetCurrentSliceNum (pCtx->pCurDqLayer->pSliceEncCtx);
   int32_t iGoPFrameNumInterval = ((pCtx->pSvcParam->uiGopSize >> 1) > 1) ? (pCtx->pSvcParam->uiGopSize >> 1) : (1);
   int32_t iSliceIdx = 0;
 
@@ -467,9 +467,9 @@
   }
 
   for (iSliceIdx = 0; iSliceIdx < kiCountSliceNum; iSliceIdx++) {
-    SSliceHeaderExt*	pSliceHdrExt		= &pCtx->pCurDqLayer->sLayerInfo.pSliceInLayer[iSliceIdx].sSliceHeaderExt;
-    SSliceHeader*		pSliceHdr			= &pSliceHdrExt->sSliceHeader;
-    SRefPicMarking*		pRefPicMark		= &pSliceHdr->sRefMarking;
+    SSliceHeaderExt*    pSliceHdrExt    = &pCtx->pCurDqLayer->sLayerInfo.pSliceInLayer[iSliceIdx].sSliceHeaderExt;
+    SSliceHeader*       pSliceHdr       = &pSliceHdrExt->sSliceHeader;
+    SRefPicMarking*     pRefPicMark     = &pSliceHdr->sRefMarking;
 
     memset (pRefPicMark, 0, sizeof (SRefPicMarking));
 
@@ -555,11 +555,11 @@
  *  build reference picture list
  */
 bool WelsBuildRefList (sWelsEncCtx* pCtx, const int32_t iPOC, int32_t iBestLtrRefIdx) {
-  SRefList* pRefList		=  pCtx->ppRefPicListExt[pCtx->uiDependencyId];
-  SLTRState* pLtr			= &pCtx->pLtr[pCtx->uiDependencyId];
-  const int32_t kiNumRef	= pCtx->pSvcParam->iNumRefFrame;
-  const uint8_t kuiTid		= pCtx->uiTemporalId;
-  uint32_t i				= 0;
+  SRefList* pRefList            = pCtx->ppRefPicListExt[pCtx->uiDependencyId];
+  SLTRState* pLtr               = &pCtx->pLtr[pCtx->uiDependencyId];
+  const int32_t kiNumRef        = pCtx->pSvcParam->iNumRefFrame;
+  const uint8_t kuiTid          = pCtx->uiTemporalId;
+  uint32_t i                    = 0;
 
   // to support any type of cur_dq->mgs_control
   //    [ 0:    using current layer to do ME/MC;
@@ -568,7 +568,7 @@
 
   // build reference list 0/1 if applicable
 
-  pCtx->iNumRef0	= 0;
+  pCtx->iNumRef0 = 0;
 
   if (pCtx->eSliceType != I_SLICE) {
     if (pCtx->pSvcParam->bEnableLongTermReference && pLtr->bReceivedT0LostFlag && pCtx->uiTemporalId == 0) {
@@ -586,7 +586,7 @@
       for (i = 0; i < pRefList->uiShortRefCount; ++ i) {
         SPicture* pRef = pRefList->pShortRefList[i];
         if (pRef != NULL && pRef->bUsedAsRef && pRef->iFramePoc >= 0 && pRef->uiTemporalId <= kuiTid) {
-          pCtx->pRefList0[pCtx->iNumRef0++]	= pRef;
+          pCtx->pRefList0[pCtx->iNumRef0++] = pRef;
           WelsLog (& (pCtx->sLogCtx), WELS_LOG_DETAIL,
                    "WelsBuildRefList pCtx->uiTemporalId = %d,pRef->iFrameNum = %d,pRef->uiTemporalId = %d",
                    pCtx->uiTemporalId, pRef->iFrameNum, pRef->uiTemporalId);
@@ -594,13 +594,13 @@
         }
       }
     }
-  } else {	// safe for IDR
+  } else { // safe for IDR
     WelsResetRefList (pCtx);  //for IDR, SHOULD reset pRef list.
     ResetLtrState (&pCtx->pLtr[pCtx->uiDependencyId]); //SHOULD update it when IDR.
     for (int32_t k = 0; k < MAX_TEMPORAL_LEVEL; k++) {
       pCtx->bRefOfCurTidIsLtr[pCtx->uiDependencyId][k] = false;
     }
-    pCtx->pRefList0[0]	= NULL;
+    pCtx->pRefList0[0] = NULL;
   }
 
   if (pCtx->iNumRef0 > kiNumRef)
@@ -609,7 +609,7 @@
 }
 
 static void UpdateBlockStatic (sWelsEncCtx* pCtx) {
-  SVAAFrameInfoExt* pVaaExt			= static_cast<SVAAFrameInfoExt*> (pCtx->pVaa);
+  SVAAFrameInfoExt* pVaaExt = static_cast<SVAAFrameInfoExt*> (pCtx->pVaa);
   assert (pCtx->iNumRef0 == 1); //multi-ref is not support yet?
   for (int32_t idx = 0; idx < pCtx->iNumRef0; idx++) {
     //TODO: we need to re-factor the source picture storage first,
@@ -627,9 +627,9 @@
  */
 void WelsUpdateRefSyntax (sWelsEncCtx* pCtx, const int32_t iPOC, const int32_t uiFrameType) {
   SLTRState* pLtr = &pCtx->pLtr[pCtx->uiDependencyId];
-  int32_t iIdx								= 0;
-  const int32_t kiCountSliceNum			= GetCurrentSliceNum (pCtx->pCurDqLayer->pSliceEncCtx);
-  int32_t	iAbsDiffPicNumMinus1			= -1;
+  int32_t iIdx                          = 0;
+  const int32_t kiCountSliceNum         = GetCurrentSliceNum (pCtx->pCurDqLayer->pSliceEncCtx);
+  int32_t iAbsDiffPicNumMinus1          = -1;
 
   assert (kiCountSliceNum > 0);
 
@@ -638,10 +638,10 @@
     iAbsDiffPicNumMinus1 = pCtx->iFrameNum - (pCtx->pRefList0[0]->iFrameNum) - 1;
 
   for (iIdx = 0; iIdx < kiCountSliceNum; iIdx++) {
-    SSliceHeaderExt*	pSliceHdrExt		= &pCtx->pCurDqLayer->sLayerInfo.pSliceInLayer[iIdx].sSliceHeaderExt;
-    SSliceHeader*		pSliceHdr			= &pSliceHdrExt->sSliceHeader;
-    SRefPicListReorderSyntax* pRefReorder	= &pSliceHdr->sRefReordering;
-    SRefPicMarking* pRefPicMark			= &pSliceHdr->sRefMarking;
+    SSliceHeaderExt*    pSliceHdrExt        = &pCtx->pCurDqLayer->sLayerInfo.pSliceInLayer[iIdx].sSliceHeaderExt;
+    SSliceHeader*       pSliceHdr           = &pSliceHdrExt->sSliceHeader;
+    SRefPicListReorderSyntax* pRefReorder   = &pSliceHdr->sRefReordering;
+    SRefPicMarking* pRefPicMark             = &pSliceHdr->sRefMarking;
 
     /*syntax for num_ref_idx_l0_active_minus1*/
     pSliceHdr->uiRefCount = pCtx->iNumRef0;
@@ -713,10 +713,10 @@
 }
 
 bool WelsUpdateRefListScreen (sWelsEncCtx* pCtx) {
-  SRefList* pRefList		= pCtx->ppRefPicListExt[pCtx->uiDependencyId];
-  SLTRState* pLtr			= &pCtx->pLtr[pCtx->uiDependencyId];
-  SSpatialLayerInternal* pParamD	= &pCtx->pSvcParam->sDependencyLayers[pCtx->uiDependencyId];
-  const uint8_t kuiTid		= pCtx->uiTemporalId;
+  SRefList* pRefList                = pCtx->ppRefPicListExt[pCtx->uiDependencyId];
+  SLTRState* pLtr                   = &pCtx->pLtr[pCtx->uiDependencyId];
+  SSpatialLayerInternal* pParamD    = &pCtx->pSvcParam->sDependencyLayers[pCtx->uiDependencyId];
+  const uint8_t kuiTid              = pCtx->uiTemporalId;
   // Need update ref list in case store base layer or target dependency layer construction
   if (NULL == pCtx->pCurDqLayer)
     return false;
@@ -725,7 +725,7 @@
     return false;
 
   if (NULL != pCtx->pDecPic) {
-#if !defined(ENABLE_FRAME_DUMP)	// to save complexity, 1/6/2009
+#if !defined(ENABLE_FRAME_DUMP) // to save complexity, 1/6/2009
     if ((pParamD->iHighestTemporalId == 0) || (kuiTid < pParamD->iHighestTemporalId))
 #endif// !ENABLE_FRAME_DUMP
       // Expanding picture for future reference
@@ -734,13 +734,13 @@
                                 pCtx->pFuncList->sExpandPicFunc.pfExpandLumaPicture, pCtx->pFuncList->sExpandPicFunc.pfExpandChromaPicture);
 
     // move picture in list
-    pCtx->pDecPic->uiTemporalId =  pCtx->uiTemporalId;
-    pCtx->pDecPic->uiSpatialId	= pCtx->uiDependencyId;
-    pCtx->pDecPic->iFrameNum		= pCtx->iFrameNum;
-    pCtx->pDecPic->iFramePoc		= pCtx->iPOC;
-    pCtx->pDecPic->bUsedAsRef	= true;
-    pCtx->pDecPic->bIsLongRef = true;
-    pCtx->pDecPic->bIsSceneLTR =  pLtr->bLTRMarkingFlag || (pCtx->pSvcParam->bEnableLongTermReference
+    pCtx->pDecPic->uiTemporalId = pCtx->uiTemporalId;
+    pCtx->pDecPic->uiSpatialId  = pCtx->uiDependencyId;
+    pCtx->pDecPic->iFrameNum    = pCtx->iFrameNum;
+    pCtx->pDecPic->iFramePoc    = pCtx->iPOC;
+    pCtx->pDecPic->bUsedAsRef   = true;
+    pCtx->pDecPic->bIsLongRef   = true;
+    pCtx->pDecPic->bIsSceneLTR  = pLtr->bLTRMarkingFlag || (pCtx->pSvcParam->bEnableLongTermReference
                                   && pCtx->eSliceType == I_SLICE);
     pCtx->pDecPic->iLongTermPicNum = pLtr->iCurLtrIdx;
   }
@@ -749,7 +749,7 @@
     LTRMarkProcessScreen (pCtx);
     pLtr->bLTRMarkingFlag = false;
     ++pLtr->uiLtrMarkInterval;
-  } else {	// in case IDR currently coding
+  } else { // in case IDR currently coding
     LTRMarkProcessScreen (pCtx);
     pLtr->iCurLtrIdx = 1;
     pLtr->iSceneLtrIdx = 1;
@@ -761,10 +761,10 @@
   return true;
 }
 bool WelsBuildRefListScreen (sWelsEncCtx* pCtx, const int32_t iPOC, int32_t iBestLtrRefIdx) {
-  SRefList* pRefList		=  pCtx->ppRefPicListExt[pCtx->uiDependencyId];
+  SRefList* pRefList = pCtx->ppRefPicListExt[pCtx->uiDependencyId];
   SWelsSvcCodingParam* pParam = pCtx->pSvcParam;
   SVAAFrameInfoExt* pVaaExt = static_cast<SVAAFrameInfoExt*> (pCtx->pVaa);
-  const int32_t iNumRef	= pParam->iNumRefFrame;
+  const int32_t iNumRef = pParam->iNumRefFrame;
   pCtx->iNumRef0 = 0;
 
   if (pCtx->eSliceType != I_SLICE) {
@@ -805,7 +805,7 @@
     WelsLog (& (pCtx->sLogCtx), WELS_LOG_DEBUG,
              "WelsBuildRefListScreen(), CurrentFramePoc=%d, isLTR=%d", iPOC, pCtx->bCurFrameMarkedAsSceneLtr);
     for (int j = 0; j < iNumRef; j++) {
-      SPicture*	 pARefPicture = pRefList->pLongRefList[j];
+      SPicture* pARefPicture = pRefList->pLongRefList[j];
       if (pARefPicture != NULL) {
         WelsLog (& (pCtx->sLogCtx), WELS_LOG_DEBUG,
                  "WelsBuildRefListScreen()\tRefLot[%d]: iPoc=%d, iPictureType=%d, bUsedAsRef=%d, bIsLongRef=%d, bIsSceneLTR=%d, uiTemporalId=%d, iFrameNum=%d, iMarkFrameNum=%d, iLongTermPicNum=%d, uiRecieveConfirmed=%d",
@@ -828,7 +828,7 @@
     // dealing with IDR
     WelsResetRefList (pCtx);  //for IDR, SHOULD reset pRef list.
     ResetLtrState (&pCtx->pLtr[pCtx->uiDependencyId]); //SHOULD update it when IDR.
-    pCtx->pRefList0[0]	= NULL;
+    pCtx->pRefList0[0] = NULL;
   }
   if (pCtx->iNumRef0 > iNumRef) {
     pCtx->iNumRef0 = iNumRef;
@@ -850,8 +850,8 @@
     iMaxActualLtrIdx = pCtx->pSvcParam->iNumRefFrame - STR_ROOM - 1 -  WELS_MAX (iMaxTid , 1);
 
   SRefList* pRefList =  pCtx->ppRefPicListExt[pCtx->uiDependencyId];
-  SPicture** ppLongRefList		=  pRefList->pLongRefList;
-  const int32_t iNumRef	= pCtx->pSvcParam->iNumRefFrame;
+  SPicture** ppLongRefList = pRefList->pLongRefList;
+  const int32_t iNumRef = pCtx->pSvcParam->iNumRefFrame;
   int32_t i;
   const int32_t iLongRefNum = iNumRef - STR_ROOM;
   const bool bIsRefListNotFull = pRefList->uiLongRefCount < iLongRefNum;
@@ -876,7 +876,7 @@
           }
         }
       } else {
-        int32_t iRefNum_t[MAX_TEMPORAL_LAYER_NUM] =	 {0};
+        int32_t iRefNum_t[MAX_TEMPORAL_LAYER_NUM] = {0};
         for (i = 0 ; i < pRefList->uiLongRefCount ; ++i) {
           if (ppLongRefList[i]->bUsedAsRef && ppLongRefList[i]->bIsLongRef && (!ppLongRefList[i]->bIsSceneLTR)) {
             ++iRefNum_t[ ppLongRefList[i]->uiTemporalId ];
@@ -919,9 +919,9 @@
   const int32_t iMaxLtrIdx = pCtx->pSvcParam->iNumRefFrame - STR_ROOM - 1;
   const int32_t iSliceNum = GetCurrentSliceNum (pCtx->pCurDqLayer->pSliceEncCtx);
   for (int32_t iSliceIdx = 0; iSliceIdx < iSliceNum; iSliceIdx++) {
-    SSliceHeaderExt*	pSliceHdrExt		= &pCtx->pCurDqLayer->sLayerInfo.pSliceInLayer[iSliceIdx].sSliceHeaderExt;
-    SSliceHeader*		pSliceHdr			= &pSliceHdrExt->sSliceHeader;
-    SRefPicMarking*	pRefPicMark		= &pSliceHdr->sRefMarking;
+    SSliceHeaderExt*    pSliceHdrExt    = &pCtx->pCurDqLayer->sLayerInfo.pSliceInLayer[iSliceIdx].sSliceHeaderExt;
+    SSliceHeader*       pSliceHdr       = &pSliceHdrExt->sSliceHeader;
+    SRefPicMarking*     pRefPicMark     = &pSliceHdr->sRefMarking;
 
     memset (pRefPicMark, 0, sizeof (SRefPicMarking));
     if (pCtx->pSvcParam->bEnableLongTermReference) {
--- a/codec/encoder/core/src/sample.cpp
+++ b/codec/encoder/core/src/sample.cpp
@@ -179,7 +179,7 @@
     iBestCost = iCurCost;
   }
 
-  memcpy (pDst, uiLocalBuffer[iBestMode], 16 * sizeof (uint8_t));	// confirmed_safe_unsafe_usage
+  memcpy (pDst, uiLocalBuffer[iBestMode], 16 * sizeof (uint8_t)); // confirmed_safe_unsafe_usage
   *pBestMode = iBestMode;
 
   return iBestCost;
@@ -220,7 +220,7 @@
     iBestCost = iCurCost;
   }
 
-  *pBestMode	= iBestMode;
+  *pBestMode = iBestMode;
 
   return iBestCost;
 
--- a/codec/encoder/core/src/set_mb_syn_cavlc.cpp
+++ b/codec/encoder/core/src/set_mb_syn_cavlc.cpp
@@ -233,18 +233,18 @@
 
 void StashMBStatusCavlc (SDynamicSlicingStack* pDss, SSlice* pSlice, int32_t iMbSkipRun) {
   SBitStringAux* pBs = pSlice->pSliceBsa;
-  pDss->pBsStackBufPtr	= pBs->pCurBuf;
-  pDss->uiBsStackCurBits	= pBs->uiCurBits;
-  pDss->iBsStackLeftBits	= pBs->iLeftBits;
-  pDss->uiLastMbQp =  pSlice->uiLastMbQp;
+  pDss->pBsStackBufPtr          = pBs->pCurBuf;
+  pDss->uiBsStackCurBits        = pBs->uiCurBits;
+  pDss->iBsStackLeftBits        = pBs->iLeftBits;
+  pDss->uiLastMbQp              = pSlice->uiLastMbQp;
   pDss->iMbSkipRunStack = iMbSkipRun;
 }
 int32_t StashPopMBStatusCavlc (SDynamicSlicingStack* pDss, SSlice* pSlice) {
   SBitStringAux* pBs = pSlice->pSliceBsa;
-  pBs->pCurBuf		= pDss->pBsStackBufPtr;
-  pBs->uiCurBits	= pDss->uiBsStackCurBits;
-  pBs->iLeftBits	= pDss->iBsStackLeftBits;
-  pSlice->uiLastMbQp = pDss->uiLastMbQp;
+  pBs->pCurBuf          = pDss->pBsStackBufPtr;
+  pBs->uiCurBits        = pDss->uiBsStackCurBits;
+  pBs->iLeftBits        = pDss->iBsStackLeftBits;
+  pSlice->uiLastMbQp    = pDss->uiLastMbQp;
   return pDss->iMbSkipRunStack;
 }
 void StashMBStatusCabac (SDynamicSlicingStack* pDss, SSlice* pSlice, int32_t iMbSkipRun) {
--- a/codec/encoder/core/src/slice_multi_threading.cpp
+++ b/codec/encoder/core/src/slice_multi_threading.cpp
@@ -56,7 +56,7 @@
 #include "svc_encode_slice.h"
 #include "deblocking.h"
 #include "svc_enc_golomb.h"
-#include "crt_util_safe_x.h"	// for safe crt like calls
+#include "crt_util_safe_x.h" // for safe crt like calls
 #include "rc.h"
 
 #include "cpu.h"
@@ -73,17 +73,17 @@
 void UpdateMbListNeighborParallel (SSliceCtx* pSliceCtx,
                                    SMB* pMbList,
                                    const int32_t uiSliceIdc) {
-  const uint16_t* kpMbMap			= pSliceCtx->pOverallMbMap;
-  const int32_t kiMbWidth			= pSliceCtx->iMbWidth;
-  int32_t iIdx						= pSliceCtx->pFirstMbInSlice[uiSliceIdc];
-  const int32_t kiEndMbInSlice	= iIdx + pSliceCtx->pCountMbNumInSlice[uiSliceIdc] - 1;
+  const uint16_t* kpMbMap        = pSliceCtx->pOverallMbMap;
+  const int32_t kiMbWidth        = pSliceCtx->iMbWidth;
+  int32_t iIdx                   = pSliceCtx->pFirstMbInSlice[uiSliceIdc];
+  const int32_t kiEndMbInSlice   = iIdx + pSliceCtx->pCountMbNumInSlice[uiSliceIdc] - 1;
 
   do {
-    SMB* pMb							= &pMbList[iIdx];
-    uint32_t uiNeighborAvailFlag	= 0;
-    const int32_t kiMbXY				= pMb->iMbXY;
-    const int32_t kiMbX				= pMb->iMbX;
-    const int32_t kiMbY				= pMb->iMbY;
+    SMB* pMb                     = &pMbList[iIdx];
+    uint32_t uiNeighborAvailFlag = 0;
+    const int32_t kiMbXY         = pMb->iMbXY;
+    const int32_t kiMbX          = pMb->iMbX;
+    const int32_t kiMbY          = pMb->iMbY;
     bool     bLeft;
     bool     bTop;
     bool     bLeftTop;
@@ -112,8 +112,8 @@
     if (bRightTop) {
       uiNeighborAvailFlag |= TOPRIGHT_MB_POS;
     }
-    pMb->uiNeighborAvail	= (uint8_t)uiNeighborAvailFlag;
-    pMb->uiSliceIdc		= uiSliceIdc;
+    pMb->uiNeighborAvail        = (uint8_t)uiNeighborAvailFlag;
+    pMb->uiSliceIdc             = uiSliceIdc;
 
     ++ iIdx;
   } while (iIdx <= kiEndMbInSlice);
@@ -120,18 +120,18 @@
 }
 
 void CalcSliceComplexRatio (void* pRatio, SSliceCtx* pSliceCtx, uint32_t* pSliceConsume) {
-  int32_t* pRatioList			= (int32_t*)pRatio;
+  int32_t* pRatioList           = (int32_t*)pRatio;
   int32_t iAvI[MAX_SLICES_NUM];
-  int32_t iSumAv				= 0;
-  uint32_t* pSliceTime		= (uint32_t*)pSliceConsume;
-  int32_t* pCountMbInSlice	= (int32_t*)pSliceCtx->pCountMbNumInSlice;
-  const int32_t kiSliceCount	= pSliceCtx->iSliceNumInFrame;
-  int32_t iSliceIdx			= 0;
+  int32_t iSumAv                = 0;
+  uint32_t* pSliceTime          = (uint32_t*)pSliceConsume;
+  int32_t* pCountMbInSlice      = (int32_t*)pSliceCtx->pCountMbNumInSlice;
+  const int32_t kiSliceCount    = pSliceCtx->iSliceNumInFrame;
+  int32_t iSliceIdx             = 0;
 
   WelsEmms();
 
   while (iSliceIdx < kiSliceCount) {
-    iAvI[iSliceIdx]	= WELS_DIV_ROUND (INT_MULTIPLY * pCountMbInSlice[iSliceIdx], pSliceTime[iSliceIdx]);
+    iAvI[iSliceIdx] = WELS_DIV_ROUND (INT_MULTIPLY * pCountMbInSlice[iSliceIdx], pSliceTime[iSliceIdx]);
     MT_TRACE_LOG (NULL, WELS_LOG_DEBUG, "[MT] CalcSliceComplexRatio(), pSliceConsumeTime[%d]= %d us, slice_run= %d",
                   iSliceIdx,
                   pSliceTime[iSliceIdx], pCountMbInSlice[iSliceIdx]);
@@ -145,10 +145,10 @@
 }
 
 int32_t NeedDynamicAdjust (void* pConsumeTime, const int32_t iSliceNum) {
-  uint32_t* pSliceConsume	= (uint32_t*)pConsumeTime;
-  uint32_t uiTotalConsume	= 0;
-  int32_t iSliceIdx		= 0;
-  int32_t iNeedAdj		= false;
+  uint32_t* pSliceConsume       = (uint32_t*)pConsumeTime;
+  uint32_t uiTotalConsume       = 0;
+  int32_t iSliceIdx             = 0;
+  int32_t iNeedAdj              = false;
 
   WelsEmms();
 
@@ -164,9 +164,9 @@
   }
 
   iSliceIdx = 0;
-  float fThr				= EPSN;	// threshold for various cores cases
-  float fRmse				= .0f;	// root mean square error of pSlice consume ratios
-  const float kfMeanRatio	= 1.0f / iSliceNum;
+  float fThr                    = EPSN; // threshold for various cores cases
+  float fRmse                   = .0f;  // root mean square error of pSlice consume ratios
+  const float kfMeanRatio       = 1.0f / iSliceNum;
   do {
     const float fRatio = 1.0f * pSliceConsume[iSliceIdx] / uiTotalConsume;
     const float fDiffRatio = fRatio - kfMeanRatio;
@@ -183,7 +183,7 @@
   } else
     fThr = 1.0f;
   if (fRmse > fThr)
-    iNeedAdj	= true;
+    iNeedAdj = true;
   MT_TRACE_LOG (NULL, WELS_LOG_DEBUG,
                 "[MT] NeedDynamicAdjust(), herein adjustment decision is made (iNeedAdj= %d) by: fRmse of pSlice complexity ratios %.6f, the corresponding threshold %.6f, iCountSliceNum %d",
                 iNeedAdj, fRmse, fThr, iSliceNum);
@@ -195,15 +195,15 @@
                            SDqLayer* pCurDqLayer,
                            void* pComplexRatio,
                            int32_t iCurDid) {
-  SSliceCtx* pSliceCtx	= pCurDqLayer->pSliceEncCtx;
-  const int32_t kiCountSliceNum	= pSliceCtx->iSliceNumInFrame;
-  const int32_t kiCountNumMb		= pSliceCtx->iMbNumInFrame;
-  int32_t iMinimalMbNum			= pSliceCtx->iMbWidth;	// in theory we need only 1 SMB, here let it as one SMB row required
-  int32_t iMaximalMbNum			= 0;	// dynamically assign later
-  int32_t* pSliceComplexRatio	= (int32_t*)pComplexRatio;
-  int32_t iMbNumLeft					= kiCountNumMb;
-  int32_t iRunLen[MAX_THREADS_NUM]	= {0};
-  int32_t iSliceIdx					= 0;
+  SSliceCtx* pSliceCtx  = pCurDqLayer->pSliceEncCtx;
+  const int32_t kiCountSliceNum = pSliceCtx->iSliceNumInFrame;
+  const int32_t kiCountNumMb    = pSliceCtx->iMbNumInFrame;
+  int32_t iMinimalMbNum         = pSliceCtx->iMbWidth;  // in theory we need only 1 SMB, here let it as one SMB row required
+  int32_t iMaximalMbNum         = 0;    // dynamically assign later
+  int32_t* pSliceComplexRatio   = (int32_t*)pComplexRatio;
+  int32_t iMbNumLeft            = kiCountNumMb;
+  int32_t iRunLen[MAX_THREADS_NUM] = {0};
+  int32_t iSliceIdx             = 0;
 
   int32_t iNumMbInEachGom = 0;
   SWelsSvcRc* pWelsSvcRc = &pCtx->pWelsSvcRc[iCurDid];
@@ -222,19 +222,19 @@
     if (iNumMbInEachGom * kiCountSliceNum >= kiCountNumMb) {
       return;
     }
-    iMinimalMbNum	= iNumMbInEachGom;
+    iMinimalMbNum = iNumMbInEachGom;
   }
 
-  if (kiCountSliceNum < 2 || (kiCountSliceNum & 0x01))	// we need suppose uiSliceNum is even for multiple threading
+  if (kiCountSliceNum < 2 || (kiCountSliceNum & 0x01)) // we need suppose uiSliceNum is even for multiple threading
     return;
 
-  iMaximalMbNum	= kiCountNumMb - (kiCountSliceNum - 1) * iMinimalMbNum;
+  iMaximalMbNum = kiCountNumMb - (kiCountSliceNum - 1) * iMinimalMbNum;
 
   WelsEmms();
 
   MT_TRACE_LOG (pCtx, WELS_LOG_DEBUG, "[MT] DynamicAdjustSlicing(), iDid= %d, iCountNumMb= %d", iCurDid, kiCountNumMb);
 
-  iSliceIdx	= 0;
+  iSliceIdx = 0;
   while (iSliceIdx + 1 < kiCountSliceNum) {
     int32_t iNumMbAssigning = WELS_DIV_ROUND (kiCountNumMb * pSliceComplexRatio[iSliceIdx], INT_MULTIPLY);
 
@@ -245,24 +245,24 @@
 
     // make sure one GOM at least in each pSlice for safe
     if (iNumMbAssigning < iMinimalMbNum)
-      iNumMbAssigning	= iMinimalMbNum;
+      iNumMbAssigning = iMinimalMbNum;
     else if (iNumMbAssigning > iMaximalMbNum)
-      iNumMbAssigning	= iMaximalMbNum;
+      iNumMbAssigning = iMaximalMbNum;
 
     assert (iNumMbAssigning > 0);
 
     iMbNumLeft -= iNumMbAssigning;
-    if (iMbNumLeft <= 0) {	// error due to we can not support slice_skip now yet, do not adjust this time
+    if (iMbNumLeft <= 0) { // error due to we can not support slice_skip now yet, do not adjust this time
       assert (0);
       return;
     }
-    iRunLen[iSliceIdx]	= iNumMbAssigning;
+    iRunLen[iSliceIdx] = iNumMbAssigning;
     MT_TRACE_LOG (pCtx, WELS_LOG_DEBUG,
                   "[MT] DynamicAdjustSlicing(), uiSliceIdx= %d, pSliceComplexRatio= %.2f, slice_run_org= %d, slice_run_adj= %d",
                   iSliceIdx, pSliceComplexRatio[iSliceIdx] * 1.0f / INT_MULTIPLY, pSliceCtx->pCountMbNumInSlice[iSliceIdx],
                   iNumMbAssigning);
     ++ iSliceIdx;
-    iMaximalMbNum	= iMbNumLeft - (kiCountSliceNum - iSliceIdx - 1) * iMinimalMbNum;	// get maximal num_mb in left parts
+    iMaximalMbNum = iMbNumLeft - (kiCountSliceNum - iSliceIdx - 1) * iMinimalMbNum; // get maximal num_mb in left parts
   }
   iRunLen[iSliceIdx] = iMbNumLeft;
   MT_TRACE_LOG (pCtx, WELS_LOG_DEBUG,
@@ -271,8 +271,8 @@
 
 
   if (DynamicAdjustSlicePEncCtxAll (pSliceCtx, iRunLen) == 0) {
-    const int32_t kiThreadNum	= pCtx->pSvcParam->iCountThreadsNum;
-    int32_t iThreadIdx			= 0;
+    const int32_t kiThreadNum   = pCtx->pSvcParam->iCountThreadsNum;
+    int32_t iThreadIdx          = 0;
     do {
       WelsEventSignal (&pCtx->pSliceThreading->pUpdateMbListEvent[iThreadIdx]);
       WelsEventSignal (&pCtx->pSliceThreading->pThreadMasterEvent[iThreadIdx]);
@@ -286,31 +286,31 @@
 
 int32_t RequestMtResource (sWelsEncCtx** ppCtx, SWelsSvcCodingParam* pCodingParam, const int32_t iCountBsLen,
                            const int32_t iTargetSpatialBsSize) {
-  CMemoryAlign* pMa			= NULL;
+  CMemoryAlign* pMa             = NULL;
   SWelsSvcCodingParam* pPara = NULL;
-  SSliceThreading* pSmt		= NULL;
-  SWelsSliceBs* pSliceB		= NULL;
-  uint8_t* pBsBase			= NULL;
-  int32_t iNumSpatialLayers	= 0;
-  int32_t iThreadNum			= 0;
-  int32_t iIdx					= 0;
+  SSliceThreading* pSmt         = NULL;
+  SWelsSliceBs* pSliceB         = NULL;
+  uint8_t* pBsBase              = NULL;
+  int32_t iNumSpatialLayers     = 0;
+  int32_t iThreadNum            = 0;
+  int32_t iIdx                  = 0;
   int32_t iSliceBsBufferSize = 0;
-  int16_t iMaxSliceNum		= 1;
+  int16_t iMaxSliceNum          = 1;
   int32_t iReturn = ENC_RETURN_SUCCESS;
 
   if (NULL == ppCtx || NULL == pCodingParam || NULL == *ppCtx || iCountBsLen <= 0)
     return 1;
 
-  pMa	= (*ppCtx)->pMemAlign;
+  pMa = (*ppCtx)->pMemAlign;
   pPara = pCodingParam;
-  iNumSpatialLayers	= pPara->iSpatialLayerNum;
-  iThreadNum	= pPara->iCountThreadsNum;
+  iNumSpatialLayers = pPara->iSpatialLayerNum;
+  iThreadNum = pPara->iCountThreadsNum;
   iMaxSliceNum = (*ppCtx)->iMaxSliceCount;
 
-  pSmt	= (SSliceThreading*)pMa->WelsMalloc (sizeof (SSliceThreading), "SSliceThreading");
+  pSmt = (SSliceThreading*)pMa->WelsMalloc (sizeof (SSliceThreading), "SSliceThreading");
   WELS_VERIFY_RETURN_PROC_IF (1, (NULL == pSmt), FreeMemorySvc (ppCtx))
-  (*ppCtx)->pSliceThreading	= pSmt;
-  pSmt->pThreadPEncCtx	= (SSliceThreadPrivateData*)pMa->WelsMalloc (sizeof (SSliceThreadPrivateData) * iThreadNum,
+  (*ppCtx)->pSliceThreading = pSmt;
+  pSmt->pThreadPEncCtx = (SSliceThreadPrivateData*)pMa->WelsMalloc (sizeof (SSliceThreadPrivateData) * iThreadNum,
                           "pThreadPEncCtx");
   WELS_VERIFY_RETURN_PROC_IF (1, (NULL == pSmt->pThreadPEncCtx), FreeMemorySvc (ppCtx))
 
@@ -323,18 +323,18 @@
 
   iIdx = 0;
   while (iIdx < iNumSpatialLayers) {
-    SSliceConfig* pMso	= &pPara->sSpatialLayers[iIdx].sSliceCfg;
+    SSliceConfig* pMso = &pPara->sSpatialLayers[iIdx].sSliceCfg;
     const int32_t kiSliceNum = pMso->sSliceArgument.uiSliceNum;
     if (((pMso->uiSliceMode == SM_FIXEDSLCNUM_SLICE) || (pMso->uiSliceMode == SM_AUTO_SLICE))
         && pPara->iMultipleThreadIdc > 1
         && pPara->iMultipleThreadIdc >= kiSliceNum) {
-      pSmt->pSliceConsumeTime[iIdx]	= (uint32_t*)pMa->WelsMallocz (kiSliceNum * sizeof (uint32_t), "pSliceConsumeTime[]");
+      pSmt->pSliceConsumeTime[iIdx] = (uint32_t*)pMa->WelsMallocz (kiSliceNum * sizeof (uint32_t), "pSliceConsumeTime[]");
       WELS_VERIFY_RETURN_PROC_IF (1, (NULL == pSmt->pSliceConsumeTime[iIdx]), FreeMemorySvc (ppCtx))
-      pSmt->pSliceComplexRatio[iIdx]	= (int32_t*)pMa->WelsMalloc (kiSliceNum * sizeof (int32_t), "pSliceComplexRatio[]");
+      pSmt->pSliceComplexRatio[iIdx] = (int32_t*)pMa->WelsMalloc (kiSliceNum * sizeof (int32_t), "pSliceComplexRatio[]");
       WELS_VERIFY_RETURN_PROC_IF (1, (NULL == pSmt->pSliceComplexRatio[iIdx]), FreeMemorySvc (ppCtx))
     } else {
-      pSmt->pSliceConsumeTime[iIdx]	= NULL;
-      pSmt->pSliceComplexRatio[iIdx]	= NULL;
+      pSmt->pSliceConsumeTime[iIdx]     = NULL;
+      pSmt->pSliceComplexRatio[iIdx]    = NULL;
     }
     ++ iIdx;
   }
@@ -348,7 +348,7 @@
     fclose (pSmt->pFSliceDiff);
     pSmt->pFSliceDiff = NULL;
   }
-  pSmt->pFSliceDiff	= fopen ("slice_time.txt", "wt+");
+  pSmt->pFSliceDiff = fopen ("slice_time.txt", "wt+");
 #endif//MT_DEBUG
 
   MT_TRACE_LOG (*ppCtx, WELS_LOG_INFO, "encpEncCtx= 0x%p", (void*) *ppCtx);
@@ -358,10 +358,10 @@
 
   iIdx = 0;
   while (iIdx < iThreadNum) {
-    pSmt->pThreadPEncCtx[iIdx].pWelsPEncCtx	= (void*) *ppCtx;
-    pSmt->pThreadPEncCtx[iIdx].iSliceIndex	= iIdx;
-    pSmt->pThreadPEncCtx[iIdx].iThreadIndex	= iIdx;
-    pSmt->pThreadHandles[iIdx]				= 0;
+    pSmt->pThreadPEncCtx[iIdx].pWelsPEncCtx     = (void*) *ppCtx;
+    pSmt->pThreadPEncCtx[iIdx].iSliceIndex      = iIdx;
+    pSmt->pThreadPEncCtx[iIdx].iThreadIndex     = iIdx;
+    pSmt->pThreadHandles[iIdx]                  = 0;
 
     WelsSnprintf (name, SEM_NAME_MAX, "ee%d%s", iIdx, pSmt->eventNamespace);
     err = WelsEventOpen (&pSmt->pExitEncodeEvent[iIdx], name);
@@ -392,26 +392,26 @@
   err = WelsEventOpen (&pSmt->pSliceCodedMasterEvent, name);
   MT_TRACE_LOG (*ppCtx, WELS_LOG_INFO, "[MT] Open pSliceCodedMasterEvent named(%s) ret%d err%d", name, err, errno);
 
-  (*ppCtx)->pSliceBs	= (SWelsSliceBs*)pMa->WelsMalloc (sizeof (SWelsSliceBs) * iMaxSliceNum, "pSliceBs");
+  (*ppCtx)->pSliceBs = (SWelsSliceBs*)pMa->WelsMalloc (sizeof (SWelsSliceBs) * iMaxSliceNum, "pSliceBs");
   WELS_VERIFY_RETURN_PROC_IF (1, (NULL == (*ppCtx)->pSliceBs), FreeMemorySvc (ppCtx))
 
-  pBsBase		= (*ppCtx)->pFrameBs + iCountBsLen;
-  pSliceB	= (*ppCtx)->pSliceBs;
-  iSliceBsBufferSize	= iTargetSpatialBsSize;
+  pBsBase               = (*ppCtx)->pFrameBs + iCountBsLen;
+  pSliceB               = (*ppCtx)->pSliceBs;
+  iSliceBsBufferSize    = iTargetSpatialBsSize;
   iIdx = 0;
   while (iIdx < iMaxSliceNum) {
     pSliceB->pBsBuffer  = (uint8_t*)pMa->WelsMalloc (iSliceBsBufferSize, "pSliceB->pBsBuffer");
 
     WELS_VERIFY_RETURN_PROC_IF (1, (NULL == pSliceB->pBsBuffer), FreeMemorySvc (ppCtx))
-    pSliceB->uiSize	= iSliceBsBufferSize;
+    pSliceB->uiSize = iSliceBsBufferSize;
 
     if (iIdx > 0) {
-      pSliceB->pBs		= pBsBase;
-      pSliceB->uiBsPos	= 0;
-      pBsBase				+= iSliceBsBufferSize;
+      pSliceB->pBs      = pBsBase;
+      pSliceB->uiBsPos  = 0;
+      pBsBase          += iSliceBsBufferSize;
     } else {
-      pSliceB->pBs		= NULL;
-      pSliceB->uiBsPos	= 0;
+      pSliceB->pBs      = NULL;
+      pSliceB->uiBsPos  = 0;
     }
     ++ pSliceB;
     ++ iIdx;
@@ -431,22 +431,22 @@
 }
 
 void ReleaseMtResource (sWelsEncCtx** ppCtx) {
-  SWelsSliceBs* pSliceB			= NULL;
-  SWelsSvcCodingParam* pCodingParam	= NULL;
-  SSliceThreading* pSmt			= NULL;
-  CMemoryAlign* pMa				= NULL;
-  int32_t iIdx						= 0;
-  int32_t iThreadNum				= 0;
-  int16_t uiSliceNum				= 0;
+  SWelsSliceBs* pSliceB                 = NULL;
+  SWelsSvcCodingParam* pCodingParam     = NULL;
+  SSliceThreading* pSmt                 = NULL;
+  CMemoryAlign* pMa                     = NULL;
+  int32_t iIdx                          = 0;
+  int32_t iThreadNum                    = 0;
+  int16_t uiSliceNum                    = 0;
 
   if (NULL == ppCtx || NULL == *ppCtx)
     return;
 
-  pMa			= (*ppCtx)->pMemAlign;
-  pCodingParam		= (*ppCtx)->pSvcParam;
-  uiSliceNum	= (*ppCtx)->iMaxSliceCount;
-  iThreadNum	= (*ppCtx)->pSvcParam->iCountThreadsNum;
-  pSmt		= (*ppCtx)->pSliceThreading;
+  pMa           = (*ppCtx)->pMemAlign;
+  pCodingParam  = (*ppCtx)->pSvcParam;
+  uiSliceNum    = (*ppCtx)->iMaxSliceCount;
+  iThreadNum    = (*ppCtx)->pSvcParam->iCountThreadsNum;
+  pSmt          = (*ppCtx)->pSliceThreading;
 
   if (NULL == pSmt)
     return;
@@ -520,46 +520,46 @@
 }
 
 int32_t AppendSliceToFrameBs (sWelsEncCtx* pCtx, SLayerBSInfo* pLbi, const int32_t iSliceCount) {
-  SWelsSvcCodingParam* pCodingParam	= pCtx->pSvcParam;
-  SSpatialLayerConfig* pDlp				= &pCodingParam->sSpatialLayers[pCtx->uiDependencyId];
-  SWelsSliceBs* pSliceBs			= NULL;
-  const bool kbIsDynamicSlicingMode	= (pDlp->sSliceCfg.uiSliceMode == SM_DYN_SLICE);
+  SWelsSvcCodingParam* pCodingParam     = pCtx->pSvcParam;
+  SSpatialLayerConfig* pDlp             = &pCodingParam->sSpatialLayers[pCtx->uiDependencyId];
+  SWelsSliceBs* pSliceBs                = NULL;
+  const bool kbIsDynamicSlicingMode     = (pDlp->sSliceCfg.uiSliceMode == SM_DYN_SLICE);
 
-  int32_t iLayerSize					= 0;
-  int32_t iNalIdxBase				= pLbi->iNalCount;
-  int32_t iSliceIdx					= 0;
+  int32_t iLayerSize    = 0;
+  int32_t iNalIdxBase   = pLbi->iNalCount;
+  int32_t iSliceIdx     = 0;
 
   if (!kbIsDynamicSlicingMode) {
-    pSliceBs	= &pCtx->pSliceBs[0];
-    iLayerSize	= pSliceBs->uiBsPos;	// assign with base pSlice first
-    iSliceIdx	= 1;				// pSlice 0 bs has been written to pFrameBs yet by now, so uiSliceIdx base should be 1
+    pSliceBs    = &pCtx->pSliceBs[0];
+    iLayerSize  = pSliceBs->uiBsPos;    // assign with base pSlice first
+    iSliceIdx   = 1;                    // pSlice 0 bs has been written to pFrameBs yet by now, so uiSliceIdx base should be 1
     while (iSliceIdx < iSliceCount) {
       ++ pSliceBs;
       if (pSliceBs != NULL && pSliceBs->uiBsPos > 0) {
         int32_t iNalIdx = 0;
-        const int32_t iCountNal	= pSliceBs->iNalIndex;
+        const int32_t iCountNal = pSliceBs->iNalIndex;
 
 #if MT_DEBUG_BS_WR
         assert (pSliceBs->bSliceCodedFlag);
 #endif//MT_DEBUG_BS_WR
 
-        memmove (pCtx->pFrameBs + pCtx->iPosBsBuffer, pSliceBs->pBs, pSliceBs->uiBsPos);	// confirmed_safe_unsafe_usage
+        memmove (pCtx->pFrameBs + pCtx->iPosBsBuffer, pSliceBs->pBs, pSliceBs->uiBsPos); // confirmed_safe_unsafe_usage
         pCtx->iPosBsBuffer += pSliceBs->uiBsPos;
 
         iLayerSize += pSliceBs->uiBsPos;
 
         while (iNalIdx < iCountNal) {
-          pLbi->pNalLengthInByte[iNalIdxBase + iNalIdx]	= pSliceBs->iNalLen[iNalIdx];
+          pLbi->pNalLengthInByte[iNalIdxBase + iNalIdx] = pSliceBs->iNalLen[iNalIdx];
           ++ iNalIdx;
         }
-        pLbi->iNalCount	+= iCountNal;
-        iNalIdxBase	+= iCountNal;
+        pLbi->iNalCount += iCountNal;
+        iNalIdxBase     += iCountNal;
       }
       ++ iSliceIdx;
     }
-  } else {	// for SM_DYN_SLICE
-    const int32_t kiPartitionCnt	= iSliceCount;
-    int32_t iPartitionIdx		= 0;
+  } else { // for SM_DYN_SLICE
+    const int32_t kiPartitionCnt        = iSliceCount;
+    int32_t iPartitionIdx               = 0;
 
     // due partition_0 has been written to pFrameBsBuffer
     // so iLayerSize need add it
@@ -567,27 +567,27 @@
       const int32_t kiCountSlicesCoded = pCtx->pCurDqLayer->pNumSliceCodedOfPartition[iPartitionIdx];
       int32_t iIdx = 0;
 
-      iSliceIdx	= iPartitionIdx;
+      iSliceIdx = iPartitionIdx;
       while (iIdx < kiCountSlicesCoded) {
-        pSliceBs	= &pCtx->pSliceBs[iSliceIdx];
+        pSliceBs = &pCtx->pSliceBs[iSliceIdx];
         if (pSliceBs != NULL && pSliceBs->uiBsPos > 0) {
           if (iPartitionIdx > 0) {
             int32_t iNalIdx = 0;
-            const int32_t iCountNal	= pSliceBs->iNalIndex;
+            const int32_t iCountNal = pSliceBs->iNalIndex;
 
-            memmove (pCtx->pFrameBs + pCtx->iPosBsBuffer, pSliceBs->pBs, pSliceBs->uiBsPos);	// confirmed_safe_unsafe_usage
+            memmove (pCtx->pFrameBs + pCtx->iPosBsBuffer, pSliceBs->pBs, pSliceBs->uiBsPos); // confirmed_safe_unsafe_usage
             pCtx->iPosBsBuffer += pSliceBs->uiBsPos;
 
             iLayerSize += pSliceBs->uiBsPos;
 
             while (iNalIdx < iCountNal) {
-              pLbi->pNalLengthInByte[iNalIdxBase + iNalIdx]	= pSliceBs->iNalLen[iNalIdx];
+              pLbi->pNalLengthInByte[iNalIdxBase + iNalIdx] = pSliceBs->iNalLen[iNalIdx];
               ++ iNalIdx;
             }
-            pLbi->iNalCount	+= iCountNal;
-            iNalIdxBase	+= iCountNal;
+            pLbi->iNalCount += iCountNal;
+            iNalIdxBase     += iCountNal;
           } else {
-            iLayerSize	+= pSliceBs->uiBsPos;
+            iLayerSize += pSliceBs->uiBsPos;
           }
         }
 
@@ -603,17 +603,17 @@
 
 int32_t WriteSliceToFrameBs (sWelsEncCtx* pCtx, SLayerBSInfo* pLbi, uint8_t* pFrameBsBuffer, const int32_t iSliceIdx,
                              int32_t& iSliceSize) {
-  SWelsSliceBs* pSliceBs			= &pCtx->pSliceBs[iSliceIdx];
+  SWelsSliceBs* pSliceBs        = &pCtx->pSliceBs[iSliceIdx];
   SNalUnitHeaderExt* pNalHdrExt = &pCtx->pCurDqLayer->sLayerInfo.sNalHeaderExt;
-  uint8_t* pDst					= pFrameBsBuffer;
-  const int32_t kiNalCnt			= pSliceBs->iNalIndex;
-  int32_t iNalIdx					= 0;
+  uint8_t* pDst                 = pFrameBsBuffer;
+  const int32_t kiNalCnt        = pSliceBs->iNalIndex;
+  int32_t iNalIdx               = 0;
   int32_t iNalSize = 0;
-  const int32_t iFirstSlice		= (iSliceIdx == 0);
-  int32_t iNalBase				= iFirstSlice ? 0 : pLbi->iNalCount;
+  const int32_t iFirstSlice     = (iSliceIdx == 0);
+  int32_t iNalBase              = iFirstSlice ? 0 : pLbi->iNalCount;
   int32_t iReturn = ENC_RETURN_SUCCESS;
   const int32_t kiWrittenLength = pCtx->iPosBsBuffer;
-  iSliceSize				= 0;
+  iSliceSize                    = 0;
 
   while (iNalIdx < kiNalCnt) {
     iNalSize = 0;
@@ -622,21 +622,21 @@
     WELS_VERIFY_RETURN_IFNEQ (iReturn, ENC_RETURN_SUCCESS)
     iSliceSize += iNalSize;
     pDst += iNalSize;
-    pLbi->pNalLengthInByte[iNalBase + iNalIdx]	= iNalSize;
+    pLbi->pNalLengthInByte[iNalBase + iNalIdx] = iNalSize;
 
     ++ iNalIdx;
   }
 
-  pSliceBs->uiBsPos	= iSliceSize;
+  pSliceBs->uiBsPos = iSliceSize;
   if (iFirstSlice) {
     // pBsBuffer has been updated at coding_slice_0_in_encoder_mother_thread()
-    pLbi->uiLayerType		= VIDEO_CODING_LAYER;
-    pLbi->uiSpatialId		= pNalHdrExt->uiDependencyId;
-    pLbi->uiTemporalId	= pNalHdrExt->uiTemporalId;
-    pLbi->uiQualityId		= 0;
-    pLbi->iNalCount		= kiNalCnt;
+    pLbi->uiLayerType   = VIDEO_CODING_LAYER;
+    pLbi->uiSpatialId   = pNalHdrExt->uiDependencyId;
+    pLbi->uiTemporalId  = pNalHdrExt->uiTemporalId;
+    pLbi->uiQualityId   = 0;
+    pLbi->iNalCount     = kiNalCnt;
   } else {
-    pLbi->iNalCount		+= kiNalCnt;
+    pLbi->iNalCount    += kiNalCnt;
   }
 
   return ENC_RETURN_SUCCESS;
@@ -643,17 +643,17 @@
 }
 
 int32_t WriteSliceBs (sWelsEncCtx* pCtx, uint8_t* pSliceBsBuf, const int32_t iSliceIdx, int32_t& iSliceSize) {
-  SWelsSliceBs* pSliceBs			= &pCtx->pSliceBs[iSliceIdx];
+  SWelsSliceBs* pSliceBs        = &pCtx->pSliceBs[iSliceIdx];
   SNalUnitHeaderExt* pNalHdrExt = &pCtx->pCurDqLayer->sLayerInfo.sNalHeaderExt;
-  uint8_t* pDst					= pSliceBsBuf;
-  int32_t* pNalLen				= &pSliceBs->iNalLen[0];
-  const int32_t kiNalCnt			= pSliceBs->iNalIndex;
-  int32_t iNalIdx					= 0;
-  int32_t iNalSize					= 0;
+  uint8_t* pDst                 = pSliceBsBuf;
+  int32_t* pNalLen              = &pSliceBs->iNalLen[0];
+  const int32_t kiNalCnt        = pSliceBs->iNalIndex;
+  int32_t iNalIdx               = 0;
+  int32_t iNalSize              = 0;
   int32_t iReturn = ENC_RETURN_SUCCESS;
   const int32_t kiWrittenLength = (int32_t) (pSliceBs->sBsWrite.pCurBuf - pSliceBs->sBsWrite.pStartBuf);
 
-  iSliceSize				= 0;
+  iSliceSize = 0;
   assert (kiNalCnt <= 2);
   if (kiNalCnt > 2)
     return 0;
@@ -668,7 +668,7 @@
     pDst += iNalSize;
     ++ iNalIdx;
   }
-  pSliceBs->uiBsPos	= iSliceSize;
+  pSliceBs->uiBsPos = iSliceSize;
 
   return iReturn;
 }
@@ -675,34 +675,34 @@
 
 // thread process for coding one pSlice
 WELS_THREAD_ROUTINE_TYPE CodingSliceThreadProc (void* arg) {
-  SSliceThreadPrivateData* pPrivateData	= (SSliceThreadPrivateData*)arg;
-  sWelsEncCtx* pEncPEncCtx			= NULL;
-  SDqLayer* pCurDq							= NULL;
-  SSlice* pSlice								= NULL;
-  SWelsSliceBs* pSliceBs						= NULL;
+  SSliceThreadPrivateData* pPrivateData = (SSliceThreadPrivateData*)arg;
+  sWelsEncCtx* pEncPEncCtx      = NULL;
+  SDqLayer* pCurDq              = NULL;
+  SSlice* pSlice                = NULL;
+  SWelsSliceBs* pSliceBs        = NULL;
   WELS_EVENT pEventsList[3];
-  int32_t iEventCount						= 0;
-  WELS_THREAD_ERROR_CODE iWaitRet				= WELS_THREAD_ERROR_GENERAL;
-  uint32_t uiThrdRet							= 0;
-  int32_t iSliceSize							= 0;
-  int32_t iSliceIdx							= -1;
-  int32_t iThreadIdx							= -1;
-  int32_t iEventIdx							= -1;
-  bool bNeedPrefix							= false;
-  EWelsNalUnitType eNalType						= NAL_UNIT_UNSPEC_0;
-  EWelsNalRefIdc eNalRefIdc						= NRI_PRI_LOWEST;
+  int32_t iEventCount           = 0;
+  WELS_THREAD_ERROR_CODE iWaitRet = WELS_THREAD_ERROR_GENERAL;
+  uint32_t uiThrdRet            = 0;
+  int32_t iSliceSize            = 0;
+  int32_t iSliceIdx             = -1;
+  int32_t iThreadIdx            = -1;
+  int32_t iEventIdx             = -1;
+  bool bNeedPrefix              = false;
+  EWelsNalUnitType eNalType     = NAL_UNIT_UNSPEC_0;
+  EWelsNalRefIdc eNalRefIdc     = NRI_PRI_LOWEST;
   int32_t iReturn = ENC_RETURN_SUCCESS;
 
   if (NULL == pPrivateData)
     WELS_THREAD_ROUTINE_RETURN (1);
 
-  pEncPEncCtx	= (sWelsEncCtx*)pPrivateData->pWelsPEncCtx;
+  pEncPEncCtx   = (sWelsEncCtx*)pPrivateData->pWelsPEncCtx;
 
-  iThreadIdx		= pPrivateData->iThreadIndex;
-  iEventIdx		= iThreadIdx;
+  iThreadIdx    = pPrivateData->iThreadIndex;
+  iEventIdx     = iThreadIdx;
 
-  pEventsList[iEventCount++]	= pEncPEncCtx->pSliceThreading->pReadySliceCodingEvent[iEventIdx];
-  pEventsList[iEventCount++]	= pEncPEncCtx->pSliceThreading->pExitEncodeEvent[iEventIdx];
+  pEventsList[iEventCount++] = pEncPEncCtx->pSliceThreading->pReadySliceCodingEvent[iEventIdx];
+  pEventsList[iEventCount++] = pEncPEncCtx->pSliceThreading->pExitEncodeEvent[iEventIdx];
   pEventsList[iEventCount++] = pEncPEncCtx->pSliceThreading->pUpdateMbListEvent[iEventIdx];
 
   WelsThreadSetName ("OpenH264Enc_CodingSliceThreadProc");
@@ -714,26 +714,26 @@
     iWaitRet = WelsMultipleEventsWaitSingleBlocking (iEventCount,
                &pEventsList[0],
                &pEncPEncCtx->pSliceThreading->pThreadMasterEvent[iEventIdx]); // blocking until at least one event is signalled
-    if (WELS_THREAD_ERROR_WAIT_OBJECT_0 == iWaitRet) {	// start pSlice coding signal waited
+    if (WELS_THREAD_ERROR_WAIT_OBJECT_0 == iWaitRet) { // start pSlice coding signal waited
       SLayerBSInfo* pLbi = pPrivateData->pLayerBs;
-      const int32_t kiCurDid			= pEncPEncCtx->uiDependencyId;
-      const int32_t kiCurTid			= pEncPEncCtx->uiTemporalId;
-      SWelsSvcCodingParam* pCodingParam	= pEncPEncCtx->pSvcParam;
-      SSpatialLayerConfig* pParamD			= &pCodingParam->sSpatialLayers[kiCurDid];
+      const int32_t kiCurDid            = pEncPEncCtx->uiDependencyId;
+      const int32_t kiCurTid            = pEncPEncCtx->uiTemporalId;
+      SWelsSvcCodingParam* pCodingParam = pEncPEncCtx->pSvcParam;
+      SSpatialLayerConfig* pParamD      = &pCodingParam->sSpatialLayers[kiCurDid];
 
-      pCurDq			= pEncPEncCtx->pCurDqLayer;
-      eNalType		= pEncPEncCtx->eNalType;
-      eNalRefIdc		= pEncPEncCtx->eNalPriority;
-      bNeedPrefix		= pEncPEncCtx->bNeedPrefixNalFlag;
+      pCurDq            = pEncPEncCtx->pCurDqLayer;
+      eNalType          = pEncPEncCtx->eNalType;
+      eNalRefIdc        = pEncPEncCtx->eNalPriority;
+      bNeedPrefix       = pEncPEncCtx->bNeedPrefixNalFlag;
 
       if (pParamD->sSliceCfg.uiSliceMode != SM_DYN_SLICE) {
-        int64_t iSliceStart	= 0;
+        int64_t iSliceStart = 0;
         bool bDsaFlag = false;
-        iSliceIdx		= pPrivateData->iSliceIndex;
-        pSlice			= &pCurDq->sLayerInfo.pSliceInLayer[iSliceIdx];
-        pSliceBs		= &pEncPEncCtx->pSliceBs[iSliceIdx];
+        iSliceIdx               = pPrivateData->iSliceIndex;
+        pSlice                  = &pCurDq->sLayerInfo.pSliceInLayer[iSliceIdx];
+        pSliceBs                = &pEncPEncCtx->pSliceBs[iSliceIdx];
 
-        bDsaFlag	= (((pParamD->sSliceCfg.uiSliceMode == SM_FIXEDSLCNUM_SLICE)
+        bDsaFlag = (((pParamD->sSliceCfg.uiSliceMode == SM_FIXEDSLCNUM_SLICE)
                       || (pParamD->sSliceCfg.uiSliceMode == SM_AUTO_SLICE)) &&
                      pCodingParam->iMultipleThreadIdc > 1 &&
                      pCodingParam->iMultipleThreadIdc >= pParamD->sSliceCfg.sSliceArgument.uiSliceNum);
@@ -740,13 +740,13 @@
         if (bDsaFlag)
           iSliceStart = WelsTime();
 
-        pSliceBs->uiBsPos	= 0;
-        pSliceBs->iNalIndex	= 0;
+        pSliceBs->uiBsPos       = 0;
+        pSliceBs->iNalIndex     = 0;
         assert ((void*) (&pSliceBs->sBsWrite) == (void*)pSlice->pSliceBsa);
         InitBits (&pSliceBs->sBsWrite, pSliceBs->pBsBuffer, pSliceBs->uiSize);
 
 #if MT_DEBUG_BS_WR
-        pSliceBs->bSliceCodedFlag	= false;
+        pSliceBs->bSliceCodedFlag = false;
 #endif//MT_DEBUG_BS_WR
 
         if (bNeedPrefix) {
@@ -772,7 +772,7 @@
         WelsUnloadNalForSlice (pSliceBs);
 
         if (0 == iSliceIdx) {
-          pLbi->pBsBuf	= pEncPEncCtx->pFrameBs + pEncPEncCtx->iPosBsBuffer;
+          pLbi->pBsBuf = pEncPEncCtx->pFrameBs + pEncPEncCtx->iPosBsBuffer;
           iReturn = WriteSliceToFrameBs (pEncPEncCtx, pLbi, pLbi->pBsBuf, iSliceIdx, iSliceSize);
           if (ENC_RETURN_SUCCESS != iReturn) {
             uiThrdRet = iReturn;
@@ -818,42 +818,42 @@
 #endif//SLICE_INFO_OUTPUT
 
 #if MT_DEBUG_BS_WR
-        pSliceBs->bSliceCodedFlag	= true;
+        pSliceBs->bSliceCodedFlag = true;
 #endif//MT_DEBUG_BS_WR
 
         WelsEventSignal (
-          &pEncPEncCtx->pSliceThreading->pSliceCodedEvent[iEventIdx]);	// mean finished coding current pSlice
+          &pEncPEncCtx->pSliceThreading->pSliceCodedEvent[iEventIdx]); // mean finished coding current pSlice
         WelsEventSignal (
           &pEncPEncCtx->pSliceThreading->pSliceCodedMasterEvent);
-      } else {	// for SM_DYN_SLICE parallelization
-        SSliceCtx* pSliceCtx			= pCurDq->pSliceEncCtx;
-        const int32_t kiPartitionId			= iThreadIdx;
-        const int32_t kiSliceIdxStep		= pEncPEncCtx->iActiveThreadsNum;
-        const int32_t kiFirstMbInPartition	= pPrivateData->iStartMbIndex;	// inclusive
-        const int32_t kiEndMbInPartition	= pPrivateData->iEndMbIndex;		// exclusive
-        int32_t iAnyMbLeftInPartition	= kiEndMbInPartition - kiFirstMbInPartition;
+      } else { // for SM_DYN_SLICE parallelization
+        SSliceCtx* pSliceCtx                    = pCurDq->pSliceEncCtx;
+        const int32_t kiPartitionId             = iThreadIdx;
+        const int32_t kiSliceIdxStep            = pEncPEncCtx->iActiveThreadsNum;
+        const int32_t kiFirstMbInPartition      = pPrivateData->iStartMbIndex;  // inclusive
+        const int32_t kiEndMbInPartition        = pPrivateData->iEndMbIndex;            // exclusive
+        int32_t iAnyMbLeftInPartition           = kiEndMbInPartition - kiFirstMbInPartition;
 
-        iSliceIdx		= pPrivateData->iSliceIndex;
+        iSliceIdx = pPrivateData->iSliceIndex;
 
-        pSliceCtx->pFirstMbInSlice[iSliceIdx]				= kiFirstMbInPartition;
-        pCurDq->pNumSliceCodedOfPartition[kiPartitionId]		= 1;	// one pSlice per partition intialized, dynamic slicing inside
-        pCurDq->pLastMbIdxOfPartition[kiPartitionId]			= kiEndMbInPartition - 1;
+        pSliceCtx->pFirstMbInSlice[iSliceIdx]                   = kiFirstMbInPartition;
+        pCurDq->pNumSliceCodedOfPartition[kiPartitionId]        = 1;    // one pSlice per partition intialized, dynamic slicing inside
+        pCurDq->pLastMbIdxOfPartition[kiPartitionId]            = kiEndMbInPartition - 1;
 
-        pCurDq->pLastCodedMbIdxOfPartition[kiPartitionId]		= 0;
+        pCurDq->pLastCodedMbIdxOfPartition[kiPartitionId]       = 0;
 
         while (iAnyMbLeftInPartition > 0) {
           if (iSliceIdx >= pSliceCtx->iMaxSliceNumConstraint) {
             // TODO: need exception handler for not large enough of MAX_SLICES_NUM related memory usage
             // No idea about its solution due MAX_SLICES_NUM is fixed lenght in relevent pData structure
-            uiThrdRet	= 1;
+            uiThrdRet = 1;
             break;
           }
 
-          pSlice			= &pCurDq->sLayerInfo.pSliceInLayer[iSliceIdx];
-          pSliceBs		= &pEncPEncCtx->pSliceBs[iSliceIdx];
+          pSlice                = &pCurDq->sLayerInfo.pSliceInLayer[iSliceIdx];
+          pSliceBs              = &pEncPEncCtx->pSliceBs[iSliceIdx];
 
-          pSliceBs->uiBsPos	= 0;
-          pSliceBs->iNalIndex	= 0;
+          pSliceBs->uiBsPos     = 0;
+          pSliceBs->iNalIndex   = 0;
           InitBits (&pSliceBs->sBsWrite, pSliceBs->pBsBuffer, pSliceBs->uiSize);
 
           if (bNeedPrefix) {
@@ -880,7 +880,7 @@
 
           if (0 == kiPartitionId) {
             if (0 == iSliceIdx)
-              pLbi->pBsBuf	= pEncPEncCtx->pFrameBs + pEncPEncCtx->iPosBsBuffer;
+              pLbi->pBsBuf = pEncPEncCtx->pFrameBs + pEncPEncCtx->iPosBsBuffer;
             iReturn = WriteSliceToFrameBs (pEncPEncCtx, pLbi, pEncPEncCtx->pFrameBs + pEncPEncCtx->iPosBsBuffer, iSliceIdx,
                                            iSliceSize);
             if (ENC_RETURN_SUCCESS != iReturn) {
@@ -925,27 +925,27 @@
           iSliceIdx += kiSliceIdxStep;
         }
 
-        if (uiThrdRet)	// any exception??
+        if (uiThrdRet) // any exception??
           break;
 
-        WelsEventSignal (&pEncPEncCtx->pSliceThreading->pSliceCodedEvent[iEventIdx]);	// mean finished coding current pSlice
+        WelsEventSignal (&pEncPEncCtx->pSliceThreading->pSliceCodedEvent[iEventIdx]); // mean finished coding current pSlice
         WelsEventSignal (&pEncPEncCtx->pSliceThreading->pSliceCodedMasterEvent);
       }
-    } else if (WELS_THREAD_ERROR_WAIT_OBJECT_0 + 1 == iWaitRet) {	// exit thread signal
-      uiThrdRet	= 0;
+    } else if (WELS_THREAD_ERROR_WAIT_OBJECT_0 + 1 == iWaitRet) { // exit thread signal
+      uiThrdRet = 0;
       break;
-    } else if (WELS_THREAD_ERROR_WAIT_OBJECT_0 + 2 == iWaitRet) {	// update pMb list singal
-      iSliceIdx		=
-        iEventIdx;	// pPrivateData->iSliceIndex; old threads can not be terminated, pPrivateData is not correct for applicable
-      pCurDq			= pEncPEncCtx->pCurDqLayer;
+    } else if (WELS_THREAD_ERROR_WAIT_OBJECT_0 + 2 == iWaitRet) { // update pMb list singal
+      iSliceIdx =
+        iEventIdx; // pPrivateData->iSliceIndex; old threads can not be terminated, pPrivateData is not correct for applicable
+      pCurDq = pEncPEncCtx->pCurDqLayer;
       UpdateMbListNeighborParallel (pCurDq->pSliceEncCtx, pCurDq->sMbDataP, iSliceIdx);
       WelsEventSignal (
-        &pEncPEncCtx->pSliceThreading->pFinUpdateMbListEvent[iEventIdx]);	// mean finished update pMb list for this pSlice
+        &pEncPEncCtx->pSliceThreading->pFinUpdateMbListEvent[iEventIdx]); // mean finished update pMb list for this pSlice
     } else { // WELS_THREAD_ERROR_WAIT_TIMEOUT, or WELS_THREAD_ERROR_WAIT_FAILED
       WelsLog (& (pEncPEncCtx->sLogCtx), WELS_LOG_WARNING,
                "[MT] CodingSliceThreadProc(), waiting pReadySliceCodingEvent[%d] failed(%d) and thread%d terminated!", iEventIdx,
                iWaitRet, iThreadIdx);
-      uiThrdRet	= 1;
+      uiThrdRet = 1;
       break;
     }
   } while (1);
@@ -978,8 +978,8 @@
 int32_t FiredSliceThreads (sWelsEncCtx* pCtx, SSliceThreadPrivateData* pPriData, WELS_EVENT* pEventsList,
                            WELS_EVENT* pMasterEventsList, SLayerBSInfo* pLbi,
                            const uint32_t uiNumThreads, SSliceCtx* pSliceCtx, const bool bIsDynamicSlicingMode) {
-  int32_t iEndMbIdx	= 0;
-  int32_t iIdx		= 0;
+  int32_t iEndMbIdx     = 0;
+  int32_t iIdx          = 0;
   const int32_t kiEventCnt = uiNumThreads;
 
   if (pPriData == NULL || pLbi == NULL || kiEventCnt <= 0 || pEventsList == NULL) {
@@ -991,12 +991,12 @@
 
   ////////////////////////////////////////
   if (bIsDynamicSlicingMode) {
-    iEndMbIdx	= pSliceCtx->iMbNumInFrame;
+    iEndMbIdx = pSliceCtx->iMbNumInFrame;
     for (iIdx = kiEventCnt - 1; iIdx >= 0; --iIdx) {
-      const int32_t iFirstMbIdx		= pSliceCtx->pFirstMbInSlice[iIdx];
-      pPriData[iIdx].iStartMbIndex	= iFirstMbIdx;
-      pPriData[iIdx].iEndMbIndex		= iEndMbIdx;
-      iEndMbIdx						= iFirstMbIdx;
+      const int32_t iFirstMbIdx         = pSliceCtx->pFirstMbInSlice[iIdx];
+      pPriData[iIdx].iStartMbIndex      = iFirstMbIdx;
+      pPriData[iIdx].iEndMbIndex        = iEndMbIdx;
+      iEndMbIdx                         = iFirstMbIdx;
     }
   }
 
@@ -1003,7 +1003,7 @@
   iIdx = 0;
   while (iIdx < kiEventCnt) {
     pPriData[iIdx].pLayerBs = pLbi;
-    pPriData[iIdx].iSliceIndex	= iIdx;
+    pPriData[iIdx].iSliceIndex = iIdx;
     if (pEventsList[iIdx])
       WelsEventSignal (&pEventsList[iIdx]);
     if (pMasterEventsList[iIdx])
@@ -1021,16 +1021,16 @@
 }
 
 int32_t AdjustBaseLayer (sWelsEncCtx* pCtx) {
-  SDqLayer* pCurDq	= pCtx->ppDqLayerList[0];
-  int32_t iNeedAdj	= 1;
+  SDqLayer* pCurDq      = pCtx->ppDqLayerList[0];
+  int32_t iNeedAdj      = 1;
 #ifdef MT_DEBUG
   int64_t iT0 = WelsTime();
 #endif//MT_DEBUG
 
-  pCtx->pCurDqLayer	= pCurDq;
+  pCtx->pCurDqLayer = pCurDq;
 
   // do not need adjust due to not different at both slices of consumed time
-  iNeedAdj	= NeedDynamicAdjust (pCtx->pSliceThreading->pSliceConsumeTime[0], pCurDq->pSliceEncCtx->iSliceNumInFrame);
+  iNeedAdj = NeedDynamicAdjust (pCtx->pSliceThreading->pSliceConsumeTime[0], pCurDq->pSliceEncCtx->iSliceNumInFrame);
   if (iNeedAdj)
     DynamicAdjustSlicing (pCtx,
                           pCurDq,
@@ -1056,12 +1056,12 @@
   // uiSliceMode of referencing spatial should be SM_FIXEDSLCNUM_SLICE
   // if using spatial base layer for complexity estimation
 
-  const bool kbModelingFromSpatial =	(pCtx->pCurDqLayer->pRefLayer != NULL && iCurDid > 0)
+  const bool kbModelingFromSpatial = (pCtx->pCurDqLayer->pRefLayer != NULL && iCurDid > 0)
                                       && (pCtx->pSvcParam->sSpatialLayers[iCurDid - 1].sSliceCfg.uiSliceMode == SM_FIXEDSLCNUM_SLICE
                                           && pCtx->pSvcParam->iMultipleThreadIdc >= pCtx->pSvcParam->sSpatialLayers[iCurDid -
                                               1].sSliceCfg.sSliceArgument.uiSliceNum);
 
-  if (kbModelingFromSpatial) {	// using spatial base layer for complexity estimation
+  if (kbModelingFromSpatial) { // using spatial base layer for complexity estimation
     // do not need adjust due to not different at both slices of consumed time
     iNeedAdj = NeedDynamicAdjust (pCtx->pSliceThreading->pSliceConsumeTime[iCurDid - 1],
                                   pCtx->pCurDqLayer->pSliceEncCtx->iSliceNumInFrame);
@@ -1071,7 +1071,7 @@
                             pCtx->pSliceThreading->pSliceComplexRatio[iCurDid - 1],
                             iCurDid
                            );
-  } else {	// use temporal layer for complexity estimation
+  } else { // use temporal layer for complexity estimation
     // do not need adjust due to not different at both slices of consumed time
     iNeedAdj = NeedDynamicAdjust (pCtx->pSliceThreading->pSliceConsumeTime[iCurDid],
                                   pCtx->pCurDqLayer->pSliceEncCtx->iSliceNumInFrame);
@@ -1119,12 +1119,12 @@
   if (iSpatialNum > MAX_DEPENDENCY_LAYER)
     return;
 
-  pPara	= pCtx->pSvcParam;
+  pPara = pCtx->pSvcParam;
   while (iSpatialIdx < iSpatialNum) {
-    const int32_t kiDid		= pDidList[iSpatialIdx];
-    SSpatialLayerInternal* pDlp		= &pPara->sDependencyLayers[kiDid];
-    SSliceConfig* pMso		= &pDlp->sSliceCfg;
-    SDqLayer* pCurDq		= pCtx->ppDqLayerList[kiDid];
+    const int32_t kiDid         = pDidList[iSpatialIdx];
+    SSpatialLayerInternal* pDlp = &pPara->sDependencyLayers[kiDid];
+    SSliceConfig* pMso          = &pDlp->sSliceCfg;
+    SDqLayer* pCurDq            = pCtx->ppDqLayerList[kiDid];
     SSliceCtx* pSliceCtx = pCurDq->pSliceEncCtx;
     const uint32_t kuiCountSliceNum = pSliceCtx->iSliceNumInFrame;
     if (pCtx->pSliceThreading) {
--- a/codec/encoder/core/src/svc_base_layer_md.cpp
+++ b/codec/encoder/core/src/svc_base_layer_md.cpp
@@ -269,45 +269,45 @@
     int32_t iStrideY, iStrideUV;
     int32_t iOffsetY, iOffsetUV;
 
-    iStrideY	= pCurLayer->iEncStride[0];
-    iStrideUV	= pCurLayer->iEncStride[1];
-    iOffsetY	= (kiMbX + kiMbY * iStrideY) << 4;
-    iOffsetUV	= (kiMbX + kiMbY * iStrideUV) << 3;
-    pMbCache->SPicData.pEncMb[0]		= pCurLayer->pEncData[0] + iOffsetY;
-    pMbCache->SPicData.pEncMb[1]		= pCurLayer->pEncData[1] + iOffsetUV;
-    pMbCache->SPicData.pEncMb[2]		= pCurLayer->pEncData[2] + iOffsetUV;
+    iStrideY    = pCurLayer->iEncStride[0];
+    iStrideUV   = pCurLayer->iEncStride[1];
+    iOffsetY    = (kiMbX + kiMbY * iStrideY) << 4;
+    iOffsetUV   = (kiMbX + kiMbY * iStrideUV) << 3;
+    pMbCache->SPicData.pEncMb[0]        = pCurLayer->pEncData[0] + iOffsetY;
+    pMbCache->SPicData.pEncMb[1]        = pCurLayer->pEncData[1] + iOffsetUV;
+    pMbCache->SPicData.pEncMb[2]        = pCurLayer->pEncData[2] + iOffsetUV;
 
-    iStrideY	= pCurLayer->iCsStride[0];
-    iStrideUV	= pCurLayer->iCsStride[1];
-    iOffsetY	= (kiMbX + kiMbY * iStrideY) << 4;
-    iOffsetUV	= (kiMbX + kiMbY * iStrideUV) << 3;
-    pMbCache->SPicData.pCsMb[0]			= pCurLayer->pCsData[0] + iOffsetY;
-    pMbCache->SPicData.pCsMb[1]			= pCurLayer->pCsData[1] + iOffsetUV;
-    pMbCache->SPicData.pCsMb[2]			= pCurLayer->pCsData[2] + iOffsetUV;
+    iStrideY    = pCurLayer->iCsStride[0];
+    iStrideUV   = pCurLayer->iCsStride[1];
+    iOffsetY    = (kiMbX + kiMbY * iStrideY) << 4;
+    iOffsetUV   = (kiMbX + kiMbY * iStrideUV) << 3;
+    pMbCache->SPicData.pCsMb[0]         = pCurLayer->pCsData[0] + iOffsetY;
+    pMbCache->SPicData.pCsMb[1]         = pCurLayer->pCsData[1] + iOffsetUV;
+    pMbCache->SPicData.pCsMb[2]         = pCurLayer->pCsData[2] + iOffsetUV;
 
-    iStrideY	= pCurLayer->pDecPic->iLineSize[0];
-    iStrideUV	= pCurLayer->pDecPic->iLineSize[1];
-    iOffsetY	= (kiMbX + kiMbY * iStrideY) << 4;
-    iOffsetUV	= (kiMbX + kiMbY * iStrideUV) << 3;
-    pMbCache->SPicData.pDecMb[0]		= pCurLayer->pDecPic->pData[0] + iOffsetY;
-    pMbCache->SPicData.pDecMb[1]		= pCurLayer->pDecPic->pData[1] + iOffsetUV;
-    pMbCache->SPicData.pDecMb[2]		= pCurLayer->pDecPic->pData[2] + iOffsetUV;
+    iStrideY    = pCurLayer->pDecPic->iLineSize[0];
+    iStrideUV   = pCurLayer->pDecPic->iLineSize[1];
+    iOffsetY    = (kiMbX + kiMbY * iStrideY) << 4;
+    iOffsetUV   = (kiMbX + kiMbY * iStrideUV) << 3;
+    pMbCache->SPicData.pDecMb[0]        = pCurLayer->pDecPic->pData[0] + iOffsetY;
+    pMbCache->SPicData.pDecMb[1]        = pCurLayer->pDecPic->pData[1] + iOffsetUV;
+    pMbCache->SPicData.pDecMb[2]        = pCurLayer->pDecPic->pData[2] + iOffsetUV;
   } else {
-    pMbCache->SPicData.pEncMb[0]	+= MB_WIDTH_LUMA;
-    pMbCache->SPicData.pEncMb[1]	+= MB_WIDTH_CHROMA;
-    pMbCache->SPicData.pEncMb[2]	+= MB_WIDTH_CHROMA;
+    pMbCache->SPicData.pEncMb[0]        += MB_WIDTH_LUMA;
+    pMbCache->SPicData.pEncMb[1]        += MB_WIDTH_CHROMA;
+    pMbCache->SPicData.pEncMb[2]        += MB_WIDTH_CHROMA;
 
-    pMbCache->SPicData.pDecMb[0]	+= MB_WIDTH_LUMA;
-    pMbCache->SPicData.pDecMb[1]	+= MB_WIDTH_CHROMA;
-    pMbCache->SPicData.pDecMb[2]	+= MB_WIDTH_CHROMA;
+    pMbCache->SPicData.pDecMb[0]        += MB_WIDTH_LUMA;
+    pMbCache->SPicData.pDecMb[1]        += MB_WIDTH_CHROMA;
+    pMbCache->SPicData.pDecMb[2]        += MB_WIDTH_CHROMA;
 
-    pMbCache->SPicData.pCsMb[0]		+= MB_WIDTH_LUMA;
-    pMbCache->SPicData.pCsMb[1]		+= MB_WIDTH_CHROMA;
-    pMbCache->SPicData.pCsMb[2]		+= MB_WIDTH_CHROMA;
+    pMbCache->SPicData.pCsMb[0]         += MB_WIDTH_LUMA;
+    pMbCache->SPicData.pCsMb[1]         += MB_WIDTH_CHROMA;
+    pMbCache->SPicData.pCsMb[2]         += MB_WIDTH_CHROMA;
   }
 
   //step 2. initial pWelsMd
-  pCurMb->uiCbp			= 0;
+  pCurMb->uiCbp = 0;
 
   //step 4: locating scaled_tcoeff
 
@@ -320,14 +320,14 @@
 
 void WelsMdInterInit (sWelsEncCtx* pEncCtx, SSlice* pSlice, SMB* pCurMb, const int32_t iSliceFirstMbXY) {
   SDqLayer* pCurLayer = pEncCtx->pCurDqLayer;
-  SMbCache* pMbCache	= &pSlice->sMbCacheInfo;
+  SMbCache* pMbCache  = &pSlice->sMbCacheInfo;
   const int32_t kiMbX  = pCurMb->iMbX;
   const int32_t kiMbY  = pCurMb->iMbY;
-  const int32_t kiMbXY	= pCurMb->iMbXY;
+  const int32_t kiMbXY = pCurMb->iMbXY;
   const int32_t kiMbWidth = pCurLayer->iMbWidth;
   const int32_t kiMbHeight = pCurLayer->iMbHeight;
 
-  pMbCache->pEncSad		= &pCurLayer->pDecPic->pMbSkipSad[kiMbXY];
+  pMbCache->pEncSad = &pCurLayer->pDecPic->pMbSkipSad[kiMbXY];
 
   //step 1. load neighbor cache
   pEncCtx->pFuncList->pfFillInterNeighborCache (pMbCache, pCurMb, kiMbWidth,
@@ -338,20 +338,20 @@
   //step 4. locating current p_ref
   // merge loops
   if (0 == kiMbX || iSliceFirstMbXY == kiMbXY) {
-    const int32_t kiRefStrideY	= pCurLayer->pRefPic->iLineSize[0];
-    const int32_t kiRefStrideUV	= pCurLayer->pRefPic->iLineSize[1];
-    const int32_t kiCurStrideY	= (kiMbX + kiMbY * kiRefStrideY) << 4;
-    const int32_t kiCurStrideUV	= (kiMbX + kiMbY * kiRefStrideUV) << 3;
-    pMbCache->SPicData.pRefMb[0]	= pCurLayer->pRefPic->pData[0] + kiCurStrideY;
-    pMbCache->SPicData.pRefMb[1]	= pCurLayer->pRefPic->pData[1] + kiCurStrideUV;
-    pMbCache->SPicData.pRefMb[2]	= pCurLayer->pRefPic->pData[2] + kiCurStrideUV;
+    const int32_t kiRefStrideY          = pCurLayer->pRefPic->iLineSize[0];
+    const int32_t kiRefStrideUV         = pCurLayer->pRefPic->iLineSize[1];
+    const int32_t kiCurStrideY          = (kiMbX + kiMbY * kiRefStrideY) << 4;
+    const int32_t kiCurStrideUV         = (kiMbX + kiMbY * kiRefStrideUV) << 3;
+    pMbCache->SPicData.pRefMb[0]        = pCurLayer->pRefPic->pData[0] + kiCurStrideY;
+    pMbCache->SPicData.pRefMb[1]        = pCurLayer->pRefPic->pData[1] + kiCurStrideUV;
+    pMbCache->SPicData.pRefMb[2]        = pCurLayer->pRefPic->pData[2] + kiCurStrideUV;
   } else {
-    pMbCache->SPicData.pRefMb[0]	+= MB_WIDTH_LUMA;
-    pMbCache->SPicData.pRefMb[1]	+= MB_WIDTH_CHROMA;
-    pMbCache->SPicData.pRefMb[2]	+= MB_WIDTH_CHROMA;
+    pMbCache->SPicData.pRefMb[0]        += MB_WIDTH_LUMA;
+    pMbCache->SPicData.pRefMb[1]        += MB_WIDTH_CHROMA;
+    pMbCache->SPicData.pRefMb[2]        += MB_WIDTH_CHROMA;
   }
 
-  pMbCache->uiRefMbType	= pCurLayer->pRefPic->uiRefMbType[kiMbXY];
+  pMbCache->uiRefMbType = pCurLayer->pRefPic->uiRefMbType[kiMbXY];
   pMbCache->bCollocatedPredFlag = false;
 
   //comment: sometimes, mode decision process may skip the md_p16x16 and md_pskip function,
@@ -367,7 +367,7 @@
   int32_t iAvailCount;
   int32_t iIdx = 0;
   uint8_t* pPredI16x16[2] = {pMbCache->pMemPredMb, pMbCache->pMemPredMb + 256};
-  uint8_t* pDst		= pPredI16x16[0];
+  uint8_t* pDst       = pPredI16x16[0];
   uint8_t* pDec       = pMbCache->SPicData.pCsMb[0];
   uint8_t* pEnc       = pMbCache->SPicData.pEncMb[0];
   int32_t iLineSizeDec = pCurDqLayer->iCsStride[0];
@@ -416,14 +416,14 @@
   return iBestCost;
 }
 int32_t WelsMdI4x4 (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SMB* pCurMb, SMbCache* pMbCache) {
-  SWelsFuncPtrList* pFunc		= pEncCtx->pFuncList;
-  SDqLayer* pCurDqLayer			= pEncCtx->pCurDqLayer;
-  int32_t iLambda				= pWelsMd->iLambda;
-  int32_t iBestCostLuma				= pWelsMd->iCostLuma;
-  uint8_t* pEncMb					= pMbCache->SPicData.pEncMb[0];
-  uint8_t* pDecMb					= pMbCache->SPicData.pCsMb[0];
-  const int32_t kiLineSizeEnc		= pCurDqLayer->iEncStride[0];
-  const int32_t kiLineSizeDec		= pCurDqLayer->iCsStride[0];
+  SWelsFuncPtrList* pFunc       = pEncCtx->pFuncList;
+  SDqLayer* pCurDqLayer         = pEncCtx->pCurDqLayer;
+  int32_t iLambda               = pWelsMd->iLambda;
+  int32_t iBestCostLuma         = pWelsMd->iCostLuma;
+  uint8_t* pEncMb               = pMbCache->SPicData.pEncMb[0];
+  uint8_t* pDecMb               = pMbCache->SPicData.pCsMb[0];
+  const int32_t kiLineSizeEnc   = pCurDqLayer->iEncStride[0];
+  const int32_t kiLineSizeDec   = pCurDqLayer->iCsStride[0];
 
   uint8_t* pCurEnc, *pCurDec, *pDst;
 
@@ -432,16 +432,16 @@
   int32_t iAvailCount;
   const uint8_t* kpAvailMode;
   int32_t i, j, iCoordinateX, iCoordinateY, iIdxStrideEnc, iIdxStrideDec;
-  int32_t lambda[2]						= {iLambda << 2, iLambda};
-  bool* pPrevIntra4x4PredModeFlag	= pMbCache->pPrevIntra4x4PredModeFlag;
-  int8_t* pRemIntra4x4PredModeFlag		= pMbCache->pRemIntra4x4PredModeFlag;
-  const uint8_t* kpIntra4x4AvailCount		= &g_kiIntra4AvailCount[0];
-  const uint8_t* kpCache48CountScan4		= &g_kuiCache48CountScan4Idx[0];
-  const int8_t* kpNeighborIntraToI4x4	= g_kiNeighborIntraToI4x4[pMbCache->uiNeighborIntra];
-  const int8_t* kpCoordinateIdxX			= &g_kiCoordinateIdx4x4X[0];
-  const int8_t* kpCoordinateIdxY			= &g_kiCoordinateIdx4x4Y[0];
-  int32_t iBestPredBufferNum			= 0;
-  int32_t iCosti4x4						= 0;
+  int32_t lambda[2] = {iLambda << 2, iLambda};
+  bool* pPrevIntra4x4PredModeFlag       = pMbCache->pPrevIntra4x4PredModeFlag;
+  int8_t* pRemIntra4x4PredModeFlag      = pMbCache->pRemIntra4x4PredModeFlag;
+  const uint8_t* kpIntra4x4AvailCount   = &g_kiIntra4AvailCount[0];
+  const uint8_t* kpCache48CountScan4    = &g_kuiCache48CountScan4Idx[0];
+  const int8_t* kpNeighborIntraToI4x4   = g_kiNeighborIntraToI4x4[pMbCache->uiNeighborIntra];
+  const int8_t* kpCoordinateIdxX        = &g_kiCoordinateIdx4x4X[0];
+  const int8_t* kpCoordinateIdxY        = &g_kiCoordinateIdx4x4Y[0];
+  int32_t iBestPredBufferNum            = 0;
+  int32_t iCosti4x4                     = 0;
 
 #if defined(X86_ASM)
   WelsPrefetchZero_mmx (g_kiMapModeI4x4);
@@ -449,7 +449,7 @@
 #endif//X86_ASM
 
   for (i = 0; i < 16; i++) {
-    const int32_t kiOffset	= kpNeighborIntraToI4x4[i];
+    const int32_t kiOffset = kpNeighborIntraToI4x4[i];
 
     //step 1: locating current 4x4 block position in pEnc and pDecMb
     iCoordinateX = kpCoordinateIdxX[i];
@@ -531,7 +531,7 @@
       *pRemIntra4x4PredModeFlag  = (iFinalMode < iPredMode ? iFinalMode : (iFinalMode - 1));
     }
     pRemIntra4x4PredModeFlag++;
-    //	pCurMb->pIntra4x4PredMode[g_kuiMbCountScan4Idx[i]] = iFinalMode;
+    // pCurMb->pIntra4x4PredMode[g_kuiMbCountScan4Idx[i]] = iFinalMode;
     pMbCache->iIntraPredMode[kpCache48CountScan4[i]] = iFinalMode;
 
     //step 6: encoding I_4x4
@@ -539,7 +539,7 @@
   }
   ST32 (pCurMb->pIntra4x4PredMode, LD32 (&pMbCache->iIntraPredMode[33]));
   pCurMb->pIntra4x4PredMode[4] = pMbCache->iIntraPredMode[12];
-  pCurMb->pIntra4x4PredMode[5] =	pMbCache->iIntraPredMode[20];
+  pCurMb->pIntra4x4PredMode[5] = pMbCache->iIntraPredMode[20];
   pCurMb->pIntra4x4PredMode[6] = pMbCache->iIntraPredMode[28];
   iCosti4x4 += (iLambda << 4) + (iLambda << 3); //4*6*lambda from JVT SATD0
   return iCosti4x4;
@@ -546,14 +546,14 @@
 }
 
 int32_t WelsMdI4x4Fast (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SMB* pCurMb, SMbCache* pMbCache) {
-  SWelsFuncPtrList* pFunc		= pEncCtx->pFuncList;
-  SDqLayer* pCurDqLayer			= pEncCtx->pCurDqLayer;
-  int32_t iLambda				= pWelsMd->iLambda;
-  int32_t iBestCostLuma				= pWelsMd->iCostLuma;
-  uint8_t* pEncMb					= pMbCache->SPicData.pEncMb[0];
-  uint8_t* pDecMb					= pMbCache->SPicData.pCsMb[0];
-  const int32_t kiLineSizeEnc		= pCurDqLayer->iEncStride[0];
-  const int32_t kiLineSizeDec		= pCurDqLayer->iCsStride[0];
+  SWelsFuncPtrList* pFunc       = pEncCtx->pFuncList;
+  SDqLayer* pCurDqLayer         = pEncCtx->pCurDqLayer;
+  int32_t iLambda               = pWelsMd->iLambda;
+  int32_t iBestCostLuma         = pWelsMd->iCostLuma;
+  uint8_t* pEncMb               = pMbCache->SPicData.pEncMb[0];
+  uint8_t* pDecMb               = pMbCache->SPicData.pCsMb[0];
+  const int32_t kiLineSizeEnc   = pCurDqLayer->iEncStride[0];
+  const int32_t kiLineSizeDec   = pCurDqLayer->iCsStride[0];
 
   uint8_t* pCurEnc, *pCurDec, *pDst;
   int8_t iPredMode, iCurMode, iBestMode, iFinalMode;
@@ -562,16 +562,16 @@
   const uint8_t* kpAvailMode;
   int32_t i, j, iCoordinateX, iCoordinateY, iIdxStrideEnc, iIdxStrideDec;
   int32_t iCostH, iCostV, iCostVR, iCostHD, iCostVL, iCostHU, iBestModeFake;
-  int32_t lambda[2]						= {iLambda << 2, iLambda};
-  bool* pPrevIntra4x4PredModeFlag	= pMbCache->pPrevIntra4x4PredModeFlag;
-  int8_t* pRemIntra4x4PredModeFlag		= pMbCache->pRemIntra4x4PredModeFlag;
-  const uint8_t* kpIntra4x4AvailCount		= &g_kiIntra4AvailCount[0];
-  const uint8_t* kpCache48CountScan4		= &g_kuiCache48CountScan4Idx[0];
-  const int8_t* kpNeighborIntraToI4x4	= g_kiNeighborIntraToI4x4[pMbCache->uiNeighborIntra];
-  const int8_t* kpCoordinateIdxX			= &g_kiCoordinateIdx4x4X[0];
-  const int8_t* kpCoordinateIdxY			= &g_kiCoordinateIdx4x4Y[0];
-  int32_t iBestPredBufferNum			= 0;
-  int32_t iCosti4x4						= 0;
+  int32_t lambda[2] = {iLambda << 2, iLambda};
+  bool* pPrevIntra4x4PredModeFlag       = pMbCache->pPrevIntra4x4PredModeFlag;
+  int8_t* pRemIntra4x4PredModeFlag      = pMbCache->pRemIntra4x4PredModeFlag;
+  const uint8_t* kpIntra4x4AvailCount   = &g_kiIntra4AvailCount[0];
+  const uint8_t* kpCache48CountScan4    = &g_kuiCache48CountScan4Idx[0];
+  const int8_t* kpNeighborIntraToI4x4   = g_kiNeighborIntraToI4x4[pMbCache->uiNeighborIntra];
+  const int8_t* kpCoordinateIdxX        = &g_kiCoordinateIdx4x4X[0];
+  const int8_t* kpCoordinateIdxY        = &g_kiCoordinateIdx4x4Y[0];
+  int32_t iBestPredBufferNum            = 0;
+  int32_t iCosti4x4                     = 0;
 #if defined(X86_ASM)
   WelsPrefetchZero_mmx (g_kiMapModeI4x4);
   WelsPrefetchZero_mmx ((int8_t*)&pFunc->pfGetLumaI4x4Pred);
@@ -578,9 +578,9 @@
 #endif//X86_ASM
 
   for (i = 0; i < 16; i++) {
-    const int32_t kiOffset	= kpNeighborIntraToI4x4[i];
-//		const int32_t i_next	= (1+i) & 15;												// next loop
-//		const uint8_t dummy_byte= pIntra4x4AvailCount[pNeighborIntraToI4x4[i_next]];	// prefetch pIntra4x4AvailCount of next loop to avoid cache missed
+    const int32_t kiOffset = kpNeighborIntraToI4x4[i];
+//    const int32_t i_next = (1+i) & 15; // next loop
+//    const uint8_t dummy_byte= pIntra4x4AvailCount[pNeighborIntraToI4x4[i_next]]; // prefetch pIntra4x4AvailCount of next loop to avoid cache missed
 
     //step 1: locating current 4x4 block position in pEnc and pDecMb
     iCoordinateX = kpCoordinateIdxX[i];
@@ -851,7 +851,7 @@
       *pRemIntra4x4PredModeFlag  = (iFinalMode < iPredMode ? iFinalMode : (iFinalMode - 1));
     }
     pRemIntra4x4PredModeFlag++;
-    //	pCurMb->pIntra4x4PredMode[scan4[i]] = iFinalMode;
+    // pCurMb->pIntra4x4PredMode[scan4[i]] = iFinalMode;
     pMbCache->iIntraPredMode[kpCache48CountScan4[i]] = iFinalMode;
     //step 6: encoding I_4x4
     WelsEncRecI4x4Y (pEncCtx, pCurMb, pMbCache, i);
@@ -858,7 +858,7 @@
   }
   ST32 (pCurMb->pIntra4x4PredMode, LD32 (&pMbCache->iIntraPredMode[33]));
   pCurMb->pIntra4x4PredMode[4] = pMbCache->iIntraPredMode[12];
-  pCurMb->pIntra4x4PredMode[5] =	pMbCache->iIntraPredMode[20];
+  pCurMb->pIntra4x4PredMode[5] = pMbCache->iIntraPredMode[20];
   pCurMb->pIntra4x4PredMode[6] = pMbCache->iIntraPredMode[28];
   iCosti4x4 += (iLambda << 4) + (iLambda << 3); //4*6*lambda from JVT SATD0
   return iCosti4x4;
@@ -866,16 +866,16 @@
 
 int32_t WelsMdIntraChroma (SWelsFuncPtrList* pFunc, SDqLayer* pCurDqLayer, SMbCache* pMbCache, int32_t iLambda) {
   const int8_t* kpAvailMode;
-  int32_t iAvailCount				= 0;
+  int32_t iAvailCount = 0;
   int32_t iChmaIdx = 0;
-  uint8_t* pPredIntraChma[2]	= {pMbCache->pMemPredChroma, pMbCache->pMemPredChroma + 128};
-  uint8_t* pDstChma				= pPredIntraChma[0];
-  uint8_t* pEncCb				= pMbCache->SPicData.pEncMb[1];
-  uint8_t* pEncCr				= pMbCache->SPicData.pEncMb[2];
-  uint8_t* pDecCb				= pMbCache->SPicData.pCsMb[1];//pMbCache->SPicData.pDecMb[1];
-  uint8_t* pDecCr				= pMbCache->SPicData.pCsMb[2];//pMbCache->SPicData.pDecMb[2];
-  const int32_t kiLineSizeEnc		= pCurDqLayer->iEncStride[1];
-  const int32_t kiLineSizeDec		= pCurDqLayer->iCsStride[1];//pMbCache->SPicData.i_stride_dec[1];
+  uint8_t* pPredIntraChma[2]    = {pMbCache->pMemPredChroma, pMbCache->pMemPredChroma + 128};
+  uint8_t* pDstChma             = pPredIntraChma[0];
+  uint8_t* pEncCb               = pMbCache->SPicData.pEncMb[1];
+  uint8_t* pEncCr               = pMbCache->SPicData.pEncMb[2];
+  uint8_t* pDecCb               = pMbCache->SPicData.pCsMb[1];//pMbCache->SPicData.pDecMb[1];
+  uint8_t* pDecCr               = pMbCache->SPicData.pCsMb[2];//pMbCache->SPicData.pDecMb[2];
+  const int32_t kiLineSizeEnc   = pCurDqLayer->iEncStride[1];
+  const int32_t kiLineSizeDec   = pCurDqLayer->iCsStride[1];//pMbCache->SPicData.i_stride_dec[1];
 
   int32_t i, iCurMode, iCurCost, iBestMode, iBestCost = INT_MAX;
 
@@ -908,8 +908,8 @@
 
       assert (iCurMode >= 0 && iCurMode < 7);
 
-      //		pDstCb	= &pMbCache->mem_pred_intra_cb[iCurMode<<6];
-      //		pDstCr	= &pMbCache->mem_pred_intra_cr[iCurMode<<6];
+      // pDstCb = &pMbCache->mem_pred_intra_cb[iCurMode<<6];
+      // pDstCr = &pMbCache->mem_pred_intra_cr[iCurMode<<6];
       pFunc->pfGetChromaPred[iCurMode] (pDstChma, pDecCb, kiLineSizeDec); //Cb
       iCurCost = pFunc->sSampleDealingFuncs.pfMdCost[BLOCK_8x8] (pDstChma, 8, pEncCb, kiLineSizeEnc);
 
@@ -920,12 +920,12 @@
         iBestMode = iCurMode;
         iBestCost = iCurCost;
         iChmaIdx = iChmaIdx ^ 0x01;
-        pDstChma	= pPredIntraChma[iChmaIdx];
+        pDstChma = pPredIntraChma[iChmaIdx];
       }
     }
   }
 
-  pMbCache->pBestPredIntraChroma	= pPredIntraChma[iChmaIdx ^ 0x01];
+  pMbCache->pBestPredIntraChroma = pPredIntraChma[iChmaIdx ^ 0x01];
   pMbCache->uiChmaI8x8Mode = iBestMode;
   return iBestCost;
 }
@@ -979,8 +979,8 @@
   SMbCache* pMbCache = &pSlice->sMbCacheInfo;
   SWelsME* pMe16x16 = &pWelsMd->sMe.sMe16x16;
   uint32_t uiNeighborAvail = pCurMb->uiNeighborAvail;
-  const int32_t kiMbWidth	= pCurLayer->iMbWidth;	// for assign once
-  const int32_t kiMbHeight	= pCurLayer->iMbHeight;
+  const int32_t kiMbWidth  = pCurLayer->iMbWidth;  // for assign once
+  const int32_t kiMbHeight = pCurLayer->iMbHeight;
   InitMe (*pWelsMd, BLOCK_16x16, pMbCache->SPicData.pEncMb[0], pMbCache->SPicData.pRefMb[0],
           pCurLayer->pRefPic->pScreenBlockFeatureStorage,
           *pMe16x16);
@@ -1039,7 +1039,7 @@
     sMe16x8->iCurMeBlockPixY = pWelsMd->iMbPixY + iPixelY;
     sMe16x8->uSadPredISatd.uiSadPred = pWelsMd->iSadPredMb >> 1;
 
-    pSlice->sMvc[0]	= sMe16x8->sMvBase;
+    pSlice->sMvc[0] = sMe16x8->sMvBase;
     pSlice->uiMvcNum = 1;
 
     PredInter16x8Mv (pMbCache, i << 3, 0, & (sMe16x8->sMvp));
@@ -1112,7 +1112,7 @@
     pFunc->pfMotionSearch[pWelsMd->iBlock8x8StaticIdc[i]] (pFunc, pCurDqLayer, sMe8x8, pSlice);
     UpdateP8x8Motion2Cache (pMbCache, i << 2, pWelsMd->uiRef, & (sMe8x8->sMv));
     iCostP8x8 += sMe8x8->uiSatdCost;
-//		sMe8x8++;
+//    sMe8x8++;
   }
   return iCostP8x8;
 }
@@ -1119,10 +1119,10 @@
 
 void WelsMdInterFinePartition (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SSlice* pSlice, SMB* pCurMb, int32_t iBestCost) {
   SDqLayer* pCurDqLayer = pEncCtx->pCurDqLayer;
-//	SMbCache *pMbCache = &pSlice->sMbCacheInfo;
+//  SMbCache *pMbCache = &pSlice->sMbCacheInfo;
   int32_t iCost = 0;
 
-//	WelsLog( pEncCtx, WELS_LOG_INFO, "WelsMdP8x8, p_ref[0]= 0x%p", pMbCache->SPicData.pRefMb[0]);
+//  WelsLog( pEncCtx, WELS_LOG_INFO, "WelsMdP8x8, p_ref[0]= 0x%p", pMbCache->SPicData.pRefMb[0]);
 
   iCost = WelsMdP8x8 (pEncCtx->pFuncList, pCurDqLayer, pWelsMd, pSlice);
 
@@ -1130,7 +1130,7 @@
     int32_t iCostPart;
     pCurMb->uiMbType = MB_TYPE_8x8;
 
-//		WelsLog( pEncCtx, WELS_LOG_INFO, "WelsMdP16x8, p_ref[0]= 0x%p", pMbCache->SPicData.pRefMb[0]);
+//    WelsLog( pEncCtx, WELS_LOG_INFO, "WelsMdP16x8, p_ref[0]= 0x%p", pMbCache->SPicData.pRefMb[0]);
     iCostPart = WelsMdP16x8 (pEncCtx->pFuncList, pCurDqLayer, pWelsMd, pSlice);
     if (iCostPart <= iCost) {
       iCost = iCostPart;
@@ -1138,7 +1138,7 @@
       //pCurMb->mb_partition = 2;
     }
 
-//		WelsLog( pEncCtx, WELS_LOG_INFO, "WelsMdP8x16, p_ref[0]= 0x%p", pMbCache->SPicData.pRefMb[0]);
+//    WelsLog( pEncCtx, WELS_LOG_INFO, "WelsMdP8x16, p_ref[0]= 0x%p", pMbCache->SPicData.pRefMb[0]);
     iCostPart = WelsMdP8x16 (pEncCtx->pFuncList, pCurDqLayer, pWelsMd, pSlice);
     if (iCostPart <= iCost) {
       iCost = iCostPart;
@@ -1151,7 +1151,7 @@
 void WelsMdInterFinePartitionVaa (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SSlice* pSlice, SMB* pCurMb,
                                   int32_t iBestCost) {
   SDqLayer* pCurDqLayer = pEncCtx->pCurDqLayer;
-//	SMbCache *pMbCache = &pSlice->sMbCacheInfo;
+//  SMbCache *pMbCache = &pSlice->sMbCacheInfo;
   int32_t iCostP8x16, iCostP16x8, iCostP8x8;
   uint8_t uiMbSign = pEncCtx->pFuncList->pfGetMbSignFromInterVaa (&pEncCtx->pVaa->sVaaCalcInfo.pSad8x8[pCurMb->iMbXY][0]);
 
@@ -1159,12 +1159,12 @@
     return;
   }
 
-//	iCost = pWelsMd->sMe16x16.uiSatdCost;
+//  iCost = pWelsMd->sMe16x16.uiSatdCost;
 
   switch (uiMbSign) {
   case 3:
   case 12:
-//		WelsLog( pEncCtx, WELS_LOG_INFO, "WelsMdP16x8, p_ref[0]= 0x%p", pMbCache->SPicData.pRefMb[0]);
+//    WelsLog( pEncCtx, WELS_LOG_INFO, "WelsMdP16x8, p_ref[0]= 0x%p", pMbCache->SPicData.pRefMb[0]);
     iCostP16x8 = WelsMdP16x8 (pEncCtx->pFuncList, pCurDqLayer, pWelsMd, pSlice);
     if (iCostP16x8 < iBestCost) {
       iBestCost = iCostP16x8;
@@ -1175,7 +1175,7 @@
 
   case 5:
   case 10:
-//		WelsLog( pEncCtx, WELS_LOG_INFO, "WelsMdP8x16, p_ref[0]= 0x%p", pMbCache->SPicData.pRefMb[0]);
+//    WelsLog( pEncCtx, WELS_LOG_INFO, "WelsMdP8x16, p_ref[0]= 0x%p", pMbCache->SPicData.pRefMb[0]);
     iCostP8x16 = WelsMdP8x16 (pEncCtx->pFuncList, pCurDqLayer, pWelsMd, pSlice);
     if (iCostP8x16 < iBestCost) {
       iBestCost = iCostP8x16;
@@ -1218,10 +1218,10 @@
 
 
 inline void VaaBackgroundMbDataUpdate (SWelsFuncPtrList* pFunc, SVAAFrameInfo* pVaaInfo, SMB* pCurMb) {
-  const int32_t kiPicStride		= pVaaInfo->iPicStride;
-  const int32_t kiPicStrideUV	= pVaaInfo->iPicStrideUV;
-  const int32_t kiOffsetY		= (pCurMb->iMbY * kiPicStride + pCurMb->iMbX) << 4;
-  const int32_t kiOffsetUV		= (pCurMb->iMbY * kiPicStrideUV + pCurMb->iMbX) << 3;
+  const int32_t kiPicStride     = pVaaInfo->iPicStride;
+  const int32_t kiPicStrideUV   = pVaaInfo->iPicStrideUV;
+  const int32_t kiOffsetY       = (pCurMb->iMbY * kiPicStride + pCurMb->iMbX) << 4;
+  const int32_t kiOffsetUV      = (pCurMb->iMbY * kiPicStrideUV + pCurMb->iMbX) << 3;
 
   pFunc->pfCopy16x16Aligned (pVaaInfo->pCurY + kiOffsetY, kiPicStride, pVaaInfo->pRefY + kiOffsetY, kiPicStride);
   pFunc->pfCopy8x8Aligned (pVaaInfo->pCurU + kiOffsetUV, kiPicStrideUV, pVaaInfo->pRefU + kiOffsetUV, kiPicStrideUV);
@@ -1230,22 +1230,22 @@
 
 void WelsMdBackgroundMbEnc (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SMB* pCurMb, SMbCache* pMbCache, SSlice* pSlice,
                             bool bSkipMbFlag) {
-  SDqLayer* pCurDqLayer	= pEncCtx->pCurDqLayer;
-  SWelsFuncPtrList* pFunc	= pEncCtx->pFuncList;
-  SMVUnitXY sMvp				= { 0 };
-  uint8_t* pRefLuma			= pMbCache->SPicData.pRefMb[0];
-  uint8_t* pRefCb				= pMbCache->SPicData.pRefMb[1];
-  uint8_t* pRefCr				= pMbCache->SPicData.pRefMb[2];
-  int32_t iLineSizeY			= pCurDqLayer->pRefPic->iLineSize[0];
-  int32_t iLineSizeUV			= pCurDqLayer->pRefPic->iLineSize[1];
-  uint8_t* pDstLuma			= pMbCache->pSkipMb;
-  uint8_t* pDstCb				= pMbCache->pSkipMb + 256;
-  uint8_t* pDstCr				= pMbCache->pSkipMb + 256 + 64;
+  SDqLayer* pCurDqLayer         = pEncCtx->pCurDqLayer;
+  SWelsFuncPtrList* pFunc       = pEncCtx->pFuncList;
+  SMVUnitXY sMvp                = { 0 };
+  uint8_t* pRefLuma             = pMbCache->SPicData.pRefMb[0];
+  uint8_t* pRefCb               = pMbCache->SPicData.pRefMb[1];
+  uint8_t* pRefCr               = pMbCache->SPicData.pRefMb[2];
+  int32_t iLineSizeY            = pCurDqLayer->pRefPic->iLineSize[0];
+  int32_t iLineSizeUV           = pCurDqLayer->pRefPic->iLineSize[1];
+  uint8_t* pDstLuma             = pMbCache->pSkipMb;
+  uint8_t* pDstCb               = pMbCache->pSkipMb + 256;
+  uint8_t* pDstCr               = pMbCache->pSkipMb + 256 + 64;
 
   if (!bSkipMbFlag) {
-    pDstLuma	= pMbCache->pMemPredLuma;
-    pDstCb	= pMbCache->pMemPredChroma;
-    pDstCr	= pMbCache->pMemPredChroma + 64;
+    pDstLuma    = pMbCache->pMemPredLuma;
+    pDstCb      = pMbCache->pMemPredChroma;
+    pDstCr      = pMbCache->pMemPredChroma + 64;
   }
   //MC
   pFunc->sMcFuncs.pMcLumaFunc (pRefLuma, iLineSizeY, pDstLuma, 16, 0, 0, 16, 16);
@@ -1300,8 +1300,8 @@
 }
 
 bool WelsMdPSkipEnc (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SMB* pCurMb, SMbCache* pMbCache) {
-  SDqLayer* pCurLayer				= pEncCtx->pCurDqLayer;
-  SWelsFuncPtrList* pFunc		= pEncCtx->pFuncList;
+  SDqLayer* pCurLayer           = pEncCtx->pCurDqLayer;
+  SWelsFuncPtrList* pFunc       = pEncCtx->pFuncList;
 
   uint8_t* pRefLuma = pMbCache->SPicData.pRefMb[0];
   uint8_t* pRefCb   = pMbCache->SPicData.pRefMb[1];
@@ -1316,8 +1316,8 @@
   SMVUnitXY sMvp = { 0 };
   int32_t n;
 
-  int32_t iEncStride		= pCurLayer->iEncStride[0];
-  uint8_t* pEncMb			= pMbCache->SPicData.pEncMb[0];
+  int32_t iEncStride = pCurLayer->iEncStride[0];
+  uint8_t* pEncMb = pMbCache->SPicData.pEncMb[0];
   int32_t* pStrideEncBlockOffset = pEncCtx->pStrideTab->pStrideEncBlockOffset[pEncCtx->uiDependencyId];
   int32_t* pEncBlockOffset;
 
@@ -1583,7 +1583,7 @@
 
 }
 bool WelsMdFirstIntraMode (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SMB* pCurMb, SMbCache* pMbCache) {
-  SWelsFuncPtrList* pFunc	= pEncCtx->pFuncList;
+  SWelsFuncPtrList* pFunc = pEncCtx->pFuncList;
 
   int32_t iCostI16x16 = WelsMdI16x16 (pFunc, pEncCtx->pCurDqLayer, pMbCache, pWelsMd->iLambda);
 
@@ -1612,14 +1612,14 @@
 }
 
 void WelsMdInterMb (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SSlice* pSlice, SMB* pCurMb, SMbCache* pUnused) {
-  SDqLayer* pCurDqLayer			= pEncCtx->pCurDqLayer;
-  SMbCache* pMbCache			= &pSlice->sMbCacheInfo;
-  const uint32_t kuiNeighborAvail	= pCurMb->uiNeighborAvail;
-  const int32_t kiMbWidth			= pCurDqLayer->iMbWidth;
-  const  SMB* top_mb				= pCurMb - kiMbWidth;
-  const bool bMbLeftAvailPskip	= ((kuiNeighborAvail & LEFT_MB_POS) ? IS_SKIP ((pCurMb - 1)->uiMbType) : false);
-  const bool bMbTopAvailPskip		= ((kuiNeighborAvail & TOP_MB_POS) ? IS_SKIP (top_mb->uiMbType) : false);
-  const bool bMbTopLeftAvailPskip	= ((kuiNeighborAvail & TOPLEFT_MB_POS) ? IS_SKIP ((top_mb - 1)->uiMbType) : false);
+  SDqLayer* pCurDqLayer             = pEncCtx->pCurDqLayer;
+  SMbCache* pMbCache                = &pSlice->sMbCacheInfo;
+  const uint32_t kuiNeighborAvail   = pCurMb->uiNeighborAvail;
+  const int32_t kiMbWidth           = pCurDqLayer->iMbWidth;
+  const  SMB* top_mb                = pCurMb - kiMbWidth;
+  const bool bMbLeftAvailPskip      = ((kuiNeighborAvail & LEFT_MB_POS) ? IS_SKIP ((pCurMb - 1)->uiMbType) : false);
+  const bool bMbTopAvailPskip       = ((kuiNeighborAvail & TOP_MB_POS) ? IS_SKIP (top_mb->uiMbType) : false);
+  const bool bMbTopLeftAvailPskip   = ((kuiNeighborAvail & TOPLEFT_MB_POS) ? IS_SKIP ((top_mb - 1)->uiMbType) : false);
   const bool bMbTopRightAvailPskip = ((kuiNeighborAvail & TOPRIGHT_MB_POS) ? IS_SKIP ((top_mb + 1)->uiMbType) : false);
   bool bTrySkip = bMbLeftAvailPskip || bMbTopAvailPskip || bMbTopLeftAvailPskip || bMbTopRightAvailPskip;
   bool bKeepSkip = bMbLeftAvailPskip && bMbTopAvailPskip && bMbTopRightAvailPskip;
@@ -1719,7 +1719,7 @@
 //////
 void WelsMdInterEncode (sWelsEncCtx* pEncCtx, SSlice* pSlice, SMB* pCurMb, SMbCache* pMbCache) {
   SWelsFuncPtrList* pFunc = pEncCtx->pFuncList;
-  SDqLayer* pCurDqLayer	= pEncCtx->pCurDqLayer;
+  SDqLayer* pCurDqLayer = pEncCtx->pCurDqLayer;
 
   //add pEnc&rec to MD--2010.3.15
   const int32_t kiCsStrideY = pCurDqLayer->iCsStride[0];
@@ -1779,7 +1779,7 @@
 void WelsMdIntraSecondaryModesEnc (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SMB* pCurMb, SMbCache* pMbCache) {
   SWelsFuncPtrList* pFunc = pEncCtx->pFuncList;
   //initial prediction memory for I_4x4
-  pFunc->pfIntraFineMd (pEncCtx, pWelsMd, pCurMb, pMbCache);			//WelsMdIntraFinePartitionVaa
+  pFunc->pfIntraFineMd (pEncCtx, pWelsMd, pCurMb, pMbCache); //WelsMdIntraFinePartitionVaa
 
   //add pEnc&rec to MD--2010.3.15
   if (IS_INTRA16x16 (pCurMb->uiMbType)) {
--- a/codec/encoder/core/src/svc_enc_slice_segment.cpp
+++ b/codec/encoder/core/src/svc_enc_slice_segment.cpp
@@ -71,13 +71,13 @@
     return 1;
 
   if (SM_ROWMB_SLICE == pSliceSeg->uiSliceMode) {
-    const int32_t kiMbWidth	= pSliceSeg->iMbWidth;
+    const int32_t kiMbWidth = pSliceSeg->iMbWidth;
     int32_t iSliceNum = pSliceSeg->iSliceNumInFrame, uiSliceIdx = 0;
 
     while (uiSliceIdx < iSliceNum) {
       const int32_t kiFirstMb = uiSliceIdx * kiMbWidth;
-      pSliceSeg->pCountMbNumInSlice[uiSliceIdx]	= kiMbWidth;
-      pSliceSeg->pFirstMbInSlice[uiSliceIdx]		= kiFirstMb;
+      pSliceSeg->pCountMbNumInSlice[uiSliceIdx] = kiMbWidth;
+      pSliceSeg->pFirstMbInSlice[uiSliceIdx]    = kiFirstMb;
       WelsSetMemMultiplebytes_c(pSliceSeg->pOverallMbMap + kiFirstMb, uiSliceIdx,
                                 kiMbWidth, sizeof(uint16_t));
       ++ uiSliceIdx;
@@ -87,22 +87,22 @@
   } else if (SM_RASTER_SLICE  == pSliceSeg->uiSliceMode ||
              SM_FIXEDSLCNUM_SLICE == pSliceSeg->uiSliceMode ||
              SM_AUTO_SLICE == pSliceSeg->uiSliceMode) {
-    const int32_t* kpSlicesAssignList				= (int32_t*) & (kpMso->sSliceArgument.uiSliceMbNum[0]);
-    const int32_t kiCountNumMbInFrame		= pSliceSeg->iMbNumInFrame;
-    const int32_t kiCountSliceNumInFrame	= pSliceSeg->iSliceNumInFrame;
-    uint16_t iSliceIdx						= 0;
-    int32_t iMbIdx							= 0;
+    const int32_t* kpSlicesAssignList           = (int32_t*) & (kpMso->sSliceArgument.uiSliceMbNum[0]);
+    const int32_t kiCountNumMbInFrame           = pSliceSeg->iMbNumInFrame;
+    const int32_t kiCountSliceNumInFrame        = pSliceSeg->iSliceNumInFrame;
+    uint16_t iSliceIdx                          = 0;
+    int32_t iMbIdx                              = 0;
 
     do {
-      const int32_t kiCurRunLength	= kpSlicesAssignList[iSliceIdx];
-      int32_t iRunIdx					= 0;
+      const int32_t kiCurRunLength      = kpSlicesAssignList[iSliceIdx];
+      int32_t iRunIdx                   = 0;
 
-      pSliceSeg->pFirstMbInSlice[iSliceIdx]			= iMbIdx;
-      pSliceSeg->pCountMbNumInSlice[iSliceIdx]		= kiCurRunLength;
+      pSliceSeg->pFirstMbInSlice[iSliceIdx]     = iMbIdx;
+      pSliceSeg->pCountMbNumInSlice[iSliceIdx]  = kiCurRunLength;
 
       // due here need check validate mb_assign_map for input pData, can not use memset
       do {
-        pSliceSeg->pOverallMbMap[iMbIdx + iRunIdx]	= iSliceIdx;
+        pSliceSeg->pOverallMbMap[iMbIdx + iRunIdx] = iSliceIdx;
         ++ iRunIdx;
       } while (iRunIdx < kiCurRunLength && iMbIdx + iRunIdx < kiCountNumMbInFrame);
 
@@ -118,7 +118,7 @@
       pSliceSeg->pCountMbNumInSlice[iSliceIdx] = kiCountNumMbInFrame;
       iSliceIdx++;
     } while (iSliceIdx < kiMaxSliceNum);
-  } else {	// any else uiSliceMode?
+  } else { // any else uiSliceMode?
     assert (0);
   }
 
@@ -132,11 +132,11 @@
 
 //slice parameter check for SM_FIXEDSLCNUM_SLICE
 bool CheckFixedSliceNumMultiSliceSetting (const int32_t kiMbNumInFrame, SSliceArgument* pSliceArg) {
-  int32_t* pSlicesAssignList		= (int32_t*) & (pSliceArg->uiSliceMbNum[0]);
-  const uint32_t kuiSliceNum			= pSliceArg->uiSliceNum;
-  uint32_t uiSliceIdx				= 0;
-  const int32_t kiMbNumPerSlice	= kiMbNumInFrame / kuiSliceNum;
-  int32_t iNumMbLeft				= kiMbNumInFrame;
+  int32_t* pSlicesAssignList    = (int32_t*) & (pSliceArg->uiSliceMbNum[0]);
+  const uint32_t kuiSliceNum    = pSliceArg->uiSliceNum;
+  uint32_t uiSliceIdx           = 0;
+  const int32_t kiMbNumPerSlice = kiMbNumInFrame / kuiSliceNum;
+  int32_t iNumMbLeft            = kiMbNumInFrame;
 
   if (NULL == pSlicesAssignList)
     return false;
@@ -143,7 +143,7 @@
 
   for (; uiSliceIdx + 1 < kuiSliceNum; ++ uiSliceIdx) {
     pSlicesAssignList[uiSliceIdx] = kiMbNumPerSlice;
-    iNumMbLeft	-= kiMbNumPerSlice;
+    iNumMbLeft -= kiMbNumPerSlice;
   }
   pSlicesAssignList[uiSliceIdx] = iNumMbLeft;
 
@@ -153,14 +153,14 @@
 //slice parameter check for SM_ROWMB_SLICE
 bool CheckRowMbMultiSliceSetting (const int32_t kiMbWidth, SSliceArgument* pSliceArg) {
   int32_t* pSlicesAssignList = (int32_t*) & (pSliceArg->uiSliceMbNum[0]);
-  const uint32_t kuiSliceNum		= pSliceArg->uiSliceNum;
-  uint32_t uiSliceIdx			= 0;
+  const uint32_t kuiSliceNum            = pSliceArg->uiSliceNum;
+  uint32_t uiSliceIdx                   = 0;
 
   if (NULL == pSlicesAssignList)
     return false;
 
   while (uiSliceIdx < kuiSliceNum) {
-    pSlicesAssignList[uiSliceIdx]	= kiMbWidth;
+    pSlicesAssignList[uiSliceIdx] = kiMbWidth;
     ++ uiSliceIdx;
   }
   return true;
@@ -168,19 +168,19 @@
 
 //slice parameter check for SM_RASTER_SLICE
 bool CheckRasterMultiSliceSetting (const int32_t kiMbNumInFrame, SSliceArgument* pSliceArg) {
-  int32_t*			pSlicesAssignList = (int32_t*) & (pSliceArg->uiSliceMbNum[0]);
-  int32_t			iActualSliceCount	= 0;
+  int32_t*      pSlicesAssignList = (int32_t*) & (pSliceArg->uiSliceMbNum[0]);
+  int32_t       iActualSliceCount       = 0;
 
   //check mb_num setting
-  uint32_t uiSliceIdx			= 0;
-  int32_t iCountMb			= 0;
+  uint32_t uiSliceIdx   = 0;
+  int32_t iCountMb      = 0;
 
   if (NULL == pSlicesAssignList)
     return false;
 
   while ((uiSliceIdx < MAX_SLICES_NUM) && (0 < pSlicesAssignList[uiSliceIdx])) {
-    iCountMb			+= pSlicesAssignList[uiSliceIdx];
-    iActualSliceCount	=  uiSliceIdx + 1;
+    iCountMb            += pSlicesAssignList[uiSliceIdx];
+    iActualSliceCount   =  uiSliceIdx + 1;
 
     if (iCountMb >= kiMbNumInFrame) {
       break;
@@ -198,12 +198,12 @@
     //need correction:
     //setting is more than iMbNumInFrame,
     //cut the last uiSliceMbNum; adjust iCountMb
-    pSlicesAssignList[iActualSliceCount - 1]	-=	(iCountMb - kiMbNumInFrame);
-    iCountMb								=	kiMbNumInFrame;
+    pSlicesAssignList[iActualSliceCount - 1] -= (iCountMb - kiMbNumInFrame);
+    iCountMb = kiMbNumInFrame;
   } else if (iActualSliceCount < MAX_SLICES_NUM) {
     //where ( iCountMb < iMbNumInFrame )
     //can do correction:
-    //	make the last uiSliceMbNum the left num
+    //  make the last uiSliceMbNum the left num
     pSlicesAssignList[iActualSliceCount] = kiMbNumInFrame - iCountMb;
     iActualSliceCount += 1;
   } else {
@@ -220,8 +220,8 @@
 
 // GOM based RC related for uiSliceNum decision, only used at SM_FIXEDSLCNUM_SLICE
 bool GomValidCheckSliceNum (const int32_t kiMbWidth, const int32_t kiMbHeight, uint32_t* pSliceNum) {
-  const int32_t kiCountNumMb	= kiMbWidth * kiMbHeight;
-  uint32_t iSliceNum			= *pSliceNum;
+  const int32_t kiCountNumMb    = kiMbWidth * kiMbHeight;
+  uint32_t iSliceNum            = *pSliceNum;
   int32_t iGomSize;
 
   //The default RC is Bit-rate mode[Yi], but need consider as below:
@@ -239,8 +239,8 @@
   while (true) {
     if (kiCountNumMb < iGomSize * (int32_t) iSliceNum) {
       -- iSliceNum;
-      iSliceNum = iSliceNum - (iSliceNum & 0x01);	// verfiy even num for multiple slices case
-      if (iSliceNum < 2)	// for safe
+      iSliceNum = iSliceNum - (iSliceNum & 0x01); // verfiy even num for multiple slices case
+      if (iSliceNum < 2) // for safe
         break;
       continue;
     }
@@ -257,17 +257,17 @@
 
 // GOM based RC related for uiSliceMbNum decision, only used at SM_FIXEDSLCNUM_SLICE
 bool GomValidCheckSliceMbNum (const int32_t kiMbWidth, const int32_t kiMbHeight, SSliceArgument* pSliceArg) {
-  uint32_t* pSlicesAssignList		= & (pSliceArg->uiSliceMbNum[0]);
-  const uint32_t kuiSliceNum			= pSliceArg->uiSliceNum;
-  const int32_t kiMbNumInFrame	= kiMbWidth * kiMbHeight;
-  const int32_t kiMbNumPerSlice	= kiMbNumInFrame / kuiSliceNum;
-  int32_t iNumMbLeft				= kiMbNumInFrame;
+  uint32_t* pSlicesAssignList   = & (pSliceArg->uiSliceMbNum[0]);
+  const uint32_t kuiSliceNum    = pSliceArg->uiSliceNum;
+  const int32_t kiMbNumInFrame  = kiMbWidth * kiMbHeight;
+  const int32_t kiMbNumPerSlice = kiMbNumInFrame / kuiSliceNum;
+  int32_t iNumMbLeft            = kiMbNumInFrame;
 
-  int32_t iMinimalMbNum			= kiMbWidth;	// in theory we need only 1 SMB, here let it as one SMB row required
-  int32_t iMaximalMbNum			= 0;	// dynamically assign later
+  int32_t iMinimalMbNum         = kiMbWidth;    // in theory we need only 1 SMB, here let it as one SMB row required
+  int32_t iMaximalMbNum         = 0;    // dynamically assign later
   int32_t iGomSize;
 
-  uint32_t uiSliceIdx	= 0;	// for test
+  uint32_t uiSliceIdx = 0; // for test
 
   // The default RC is Bit-rate mode [Yi], but need consider as below:
   // Tuned to use max of mode0 and mode1 due can not refresh on this from rc mode changed outside, 8/16/2011
@@ -284,15 +284,15 @@
   int32_t iNumMbAssigning = WELS_DIV_ROUND (INT_MULTIPLY * kiMbNumPerSlice, iGomSize * INT_MULTIPLY) * iGomSize;
   int32_t iCurNumMbAssigning = 0;
 
-  iMinimalMbNum	= iGomSize;
+  iMinimalMbNum = iGomSize;
   while (uiSliceIdx + 1 < kuiSliceNum) {
-    iMaximalMbNum	= iNumMbLeft - (kuiSliceNum - uiSliceIdx - 1) * iMinimalMbNum;	// get maximal num_mb in left parts
+    iMaximalMbNum = iNumMbLeft - (kuiSliceNum - uiSliceIdx - 1) * iMinimalMbNum; // get maximal num_mb in left parts
 
     // make sure one GOM at least in each slice for safe
     if (iNumMbAssigning < iMinimalMbNum)
-      iCurNumMbAssigning	= iMinimalMbNum;
+      iCurNumMbAssigning = iMinimalMbNum;
     else if (iNumMbAssigning > iMaximalMbNum)
-      iCurNumMbAssigning	= ( iMaximalMbNum / iGomSize ) * iGomSize;
+      iCurNumMbAssigning = ( iMaximalMbNum / iGomSize ) * iGomSize;
     else
       iCurNumMbAssigning = iNumMbAssigning;
 
@@ -305,7 +305,7 @@
       return false;
     }
 
-    pSlicesAssignList[uiSliceIdx]	= iCurNumMbAssigning;
+    pSlicesAssignList[uiSliceIdx] = iCurNumMbAssigning;
     ++ uiSliceIdx;
   }
   pSlicesAssignList[uiSliceIdx] = iNumMbLeft;
@@ -382,23 +382,23 @@
     if (NULL != pSliceSeg->pCountMbNumInSlice) {
       pMa->WelsFree (pSliceSeg->pCountMbNumInSlice, "pSliceSeg->pCountMbNumInSlice");
 
-      pSliceSeg->pCountMbNumInSlice	= NULL;
+      pSliceSeg->pCountMbNumInSlice = NULL;
     }
     // just for safe
-    pSliceSeg->iSliceNumInFrame	= 0;
-    pSliceSeg->iMbNumInFrame		= 0;
-    pSliceSeg->iMbWidth				= 0;
-    pSliceSeg->iMbHeight			= 0;
-    pSliceSeg->uiSliceMode			= SM_SINGLE_SLICE;	// sigle in default
+    pSliceSeg->iSliceNumInFrame = 0;
+    pSliceSeg->iMbNumInFrame    = 0;
+    pSliceSeg->iMbWidth         = 0;
+    pSliceSeg->iMbHeight        = 0;
+    pSliceSeg->uiSliceMode      = SM_SINGLE_SLICE;      // sigle in default
   }
 
   if (SM_SINGLE_SLICE == uiSliceMode) {
-    pSliceSeg->pOverallMbMap	= (uint16_t*)pMa->WelsMalloc (kiCountMbNum * sizeof (uint16_t), "pSliceSeg->pOverallMbMap");
+    pSliceSeg->pOverallMbMap = (uint16_t*)pMa->WelsMalloc (kiCountMbNum * sizeof (uint16_t), "pSliceSeg->pOverallMbMap");
 
     WELS_VERIFY_RETURN_IF (1, NULL == pSliceSeg->pOverallMbMap)
-    pSliceSeg->iSliceNumInFrame	= 1;
+    pSliceSeg->iSliceNumInFrame = 1;
 
-    pSliceSeg->pFirstMbInSlice	= (int32_t*)pMa->WelsMalloc (pSliceSeg->iSliceNumInFrame * sizeof (int32_t),
+    pSliceSeg->pFirstMbInSlice = (int32_t*)pMa->WelsMalloc (pSliceSeg->iSliceNumInFrame * sizeof (int32_t),
                                   "pSliceSeg->pFirstMbInSlice");
 
     WELS_VERIFY_RETURN_IF (1, NULL == pSliceSeg->pFirstMbInSlice)
@@ -407,12 +407,12 @@
                                     "pSliceSeg->pCountMbNumInSlice");
 
     WELS_VERIFY_RETURN_IF (1, NULL == pSliceSeg->pCountMbNumInSlice)
-    pSliceSeg->uiSliceMode			= uiSliceMode;
-    pSliceSeg->iMbWidth				= kiMbWidth;
-    pSliceSeg->iMbHeight			= kiMbHeight;
-    pSliceSeg->iMbNumInFrame		= kiCountMbNum;
-    pSliceSeg->pCountMbNumInSlice[0]	= kiCountMbNum;
-    pSliceSeg->pFirstMbInSlice[0]		= 0;
+    pSliceSeg->uiSliceMode              = uiSliceMode;
+    pSliceSeg->iMbWidth                 = kiMbWidth;
+    pSliceSeg->iMbHeight                = kiMbHeight;
+    pSliceSeg->iMbNumInFrame            = kiCountMbNum;
+    pSliceSeg->pCountMbNumInSlice[0]    = kiCountMbNum;
+    pSliceSeg->pFirstMbInSlice[0]       = 0;
 
     return AssignMbMapSingleSlice (pSliceSeg->pOverallMbMap, kiCountMbNum, sizeof (pSliceSeg->pOverallMbMap[0]));
   } else { //if ( SM_MULTIPLE_SLICE == uiSliceMode )
@@ -420,31 +420,31 @@
         && uiSliceMode != SM_DYN_SLICE && uiSliceMode != SM_AUTO_SLICE)
       return 1;
 
-    pSliceSeg->pOverallMbMap	= (uint16_t*)pMa->WelsMalloc (kiCountMbNum * sizeof (uint16_t), "pSliceSeg->pOverallMbMap");
+    pSliceSeg->pOverallMbMap = (uint16_t*)pMa->WelsMalloc (kiCountMbNum * sizeof (uint16_t), "pSliceSeg->pOverallMbMap");
 
     WELS_VERIFY_RETURN_IF (1, NULL == pSliceSeg->pOverallMbMap)
 
     WelsSetMemMultiplebytes_c(pSliceSeg->pOverallMbMap, 0, kiCountMbNum, sizeof(uint16_t));
 
-    //SM_DYN_SLICE: init, set pSliceSeg->iSliceNumInFrame	= 1;
+    //SM_DYN_SLICE: init, set pSliceSeg->iSliceNumInFrame = 1;
     pSliceSeg->iSliceNumInFrame = GetInitialSliceNum (kiMbWidth, kiMbHeight, pMso);
 
     if (-1 == pSliceSeg->iSliceNumInFrame)
       return 1;
 
-    pSliceSeg->pCountMbNumInSlice	= (int32_t*)pMa->WelsMalloc (pSliceSeg->iSliceNumInFrame * sizeof (int32_t),
+    pSliceSeg->pCountMbNumInSlice = (int32_t*)pMa->WelsMalloc (pSliceSeg->iSliceNumInFrame * sizeof (int32_t),
                                     "pSliceSeg->pCountMbNumInSlice");
 
     WELS_VERIFY_RETURN_IF (1, NULL == pSliceSeg->pCountMbNumInSlice)
 
-    pSliceSeg->pFirstMbInSlice		= (int32_t*)pMa->WelsMalloc (pSliceSeg->iSliceNumInFrame * sizeof (int32_t),
+    pSliceSeg->pFirstMbInSlice = (int32_t*)pMa->WelsMalloc (pSliceSeg->iSliceNumInFrame * sizeof (int32_t),
                                     "pSliceSeg->pFirstMbInSlice");
 
     WELS_VERIFY_RETURN_IF (1, NULL == pSliceSeg->pFirstMbInSlice)
-    pSliceSeg->uiSliceMode			= pMso->uiSliceMode;
-    pSliceSeg->iMbWidth				= kiMbWidth;
-    pSliceSeg->iMbHeight			= kiMbHeight;
-    pSliceSeg->iMbNumInFrame		= kiCountMbNum;
+    pSliceSeg->uiSliceMode      = pMso->uiSliceMode;
+    pSliceSeg->iMbWidth         = kiMbWidth;
+    pSliceSeg->iMbHeight        = kiMbHeight;
+    pSliceSeg->iMbNumInFrame    = kiCountMbNum;
     if (SM_DYN_SLICE == pMso->uiSliceMode) {
       if (0 < pMso->sSliceArgument.uiSliceSizeConstraint) {
         pSliceSeg->uiSliceSizeConstraint = pMso->sSliceArgument.uiSliceSizeConstraint;
@@ -491,11 +491,11 @@
       pSliceSeg->pCountMbNumInSlice = NULL;
     }
 
-    pSliceSeg->iMbNumInFrame		= 0;
-    pSliceSeg->iMbWidth				= 0;
-    pSliceSeg->iMbHeight			= 0;
-    pSliceSeg->uiSliceMode			= SM_SINGLE_SLICE;	// single in default
-    pSliceSeg->iSliceNumInFrame	= 0;
+    pSliceSeg->iMbNumInFrame    = 0;
+    pSliceSeg->iMbWidth         = 0;
+    pSliceSeg->iMbHeight        = 0;
+    pSliceSeg->uiSliceMode      = SM_SINGLE_SLICE;      // single in default
+    pSliceSeg->iSliceNumInFrame = 0;
   }
 }
 
@@ -587,7 +587,7 @@
       int32_t iNextMbIdx = kiMbXY;
       ++ iNextMbIdx;
       if (iNextMbIdx >= pSliceSeg->iMbNumInFrame)
-        iNextMbIdx	= -1;
+        iNextMbIdx = -1;
       return iNextMbIdx;
     } else { /*if ( SM_MULTIPLE_SLICE == pSliceSeg->uiSliceMode )*/
       if (SM_RESERVED != pSliceSeg->uiSliceMode) {
@@ -598,7 +598,7 @@
           return iNextMbIdx;
         return -1;
       } else
-        return -1;	// reserved here for other multiple slice type
+        return -1; // reserved here for other multiple slice type
     }
   } else
     return -1;
@@ -664,11 +664,11 @@
 }
 int32_t DynamicAdjustSlicePEncCtxAll (SSliceCtx* pSliceCtx,
                                       int32_t* pRunLength) {
-  const int32_t iCountNumMbInFrame		= pSliceCtx->iMbNumInFrame;
-  const int32_t iCountSliceNumInFrame	= pSliceCtx->iSliceNumInFrame;
-  int32_t iSameRunLenFlag				= 1;
-  int32_t iFirstMbIdx					= 0;
-  int32_t iSliceIdx						= 0;
+  const int32_t iCountNumMbInFrame      = pSliceCtx->iMbNumInFrame;
+  const int32_t iCountSliceNumInFrame   = pSliceCtx->iSliceNumInFrame;
+  int32_t iSameRunLenFlag               = 1;
+  int32_t iFirstMbIdx                   = 0;
+  int32_t iSliceIdx                     = 0;
 
   assert (iCountSliceNumInFrame <= MAX_THREADS_NUM);
 
@@ -680,15 +680,15 @@
     ++ iSliceIdx;
   }
   if (iSameRunLenFlag) {
-    return 1;	// do not need adjust it due to same running length as before to save complexity
+    return 1; // do not need adjust it due to same running length as before to save complexity
   }
 
   iSliceIdx = 0;
   do {
-    const int32_t kiSliceRun	= pRunLength[iSliceIdx];
+    const int32_t kiSliceRun = pRunLength[iSliceIdx];
 
-    pSliceCtx->pFirstMbInSlice[iSliceIdx]			= iFirstMbIdx;
-    pSliceCtx->pCountMbNumInSlice[iSliceIdx]		= kiSliceRun;
+    pSliceCtx->pFirstMbInSlice[iSliceIdx]    = iFirstMbIdx;
+    pSliceCtx->pCountMbNumInSlice[iSliceIdx] = kiSliceRun;
 
     WelsSetMemMultiplebytes_c(pSliceCtx->pOverallMbMap + iFirstMbIdx, iSliceIdx,
                               kiSliceRun, sizeof(uint16_t));
--- a/codec/encoder/core/src/svc_encode_mb.cpp
+++ b/codec/encoder/core/src/svc_encode_mb.cpp
@@ -53,17 +53,17 @@
 
 void WelsEncRecI16x16Y (sWelsEncCtx* pEncCtx, SMB* pCurMb, SMbCache* pMbCache) {
   ENFORCE_STACK_ALIGN_1D (int16_t, aDctT4Dc, 16, 16)
-  SWelsFuncPtrList* pFuncList	= pEncCtx->pFuncList;
-  SDqLayer* pCurDqLayer	    = pEncCtx->pCurDqLayer;
-  const int32_t kiEncStride	        = pCurDqLayer->iEncStride[0];
-  int16_t* pRes				     	= pMbCache->pCoeffLevel;
-  uint8_t* pPred				        = pMbCache->SPicData.pCsMb[0];
-  const int32_t kiRecStride     	= pCurDqLayer->iCsStride[0];
-  int16_t* pBlock				        = pMbCache->pDct->iLumaBlock[0];
-  uint8_t* pBestPred		    	= pMbCache->pMemPredLuma;
-  const uint8_t* kpNoneZeroCountIdx	= &g_kuiMbCountScan4Idx[0];
-  uint8_t i, uiQp						    = pCurMb->uiLumaQp;
-  uint32_t uiNoneZeroCount, uiNoneZeroCountMbAc				= 0, uiCountI16x16Dc;
+  SWelsFuncPtrList* pFuncList   = pEncCtx->pFuncList;
+  SDqLayer* pCurDqLayer         = pEncCtx->pCurDqLayer;
+  const int32_t kiEncStride     = pCurDqLayer->iEncStride[0];
+  int16_t* pRes                 = pMbCache->pCoeffLevel;
+  uint8_t* pPred                = pMbCache->SPicData.pCsMb[0];
+  const int32_t kiRecStride     = pCurDqLayer->iCsStride[0];
+  int16_t* pBlock               = pMbCache->pDct->iLumaBlock[0];
+  uint8_t* pBestPred            = pMbCache->pMemPredLuma;
+  const uint8_t* kpNoneZeroCountIdx = &g_kuiMbCountScan4Idx[0];
+  uint8_t i, uiQp               = pCurMb->uiLumaQp;
+  uint32_t uiNoneZeroCount, uiNoneZeroCountMbAc = 0, uiCountI16x16Dc;
 
   const int16_t* pMF = g_kiQuantMF[uiQp];
   const int16_t* pFF = g_iQuantIntraFF[uiQp];
@@ -137,10 +137,10 @@
   }
 }
 void WelsEncRecI4x4Y (sWelsEncCtx* pEncCtx, SMB* pCurMb, SMbCache* pMbCache, uint8_t uiI4x4Idx) {
-  SWelsFuncPtrList* pFuncList	= pEncCtx->pFuncList;
-  SDqLayer* pCurDqLayer		= pEncCtx->pCurDqLayer;
-  int32_t iEncStride			= pCurDqLayer->iEncStride[0];
-  uint8_t uiQp					= pCurMb->uiLumaQp;
+  SWelsFuncPtrList* pFuncList   = pEncCtx->pFuncList;
+  SDqLayer* pCurDqLayer         = pEncCtx->pCurDqLayer;
+  int32_t iEncStride            = pCurDqLayer->iEncStride[0];
+  uint8_t uiQp                  = pCurMb->uiLumaQp;
 
   int16_t* pResI4x4 = pMbCache->pCoeffLevel;
   uint8_t* pPredI4x4;
@@ -178,21 +178,21 @@
 }
 
 void WelsEncInterY (SWelsFuncPtrList* pFuncList, SMB* pCurMb, SMbCache* pMbCache) {
-  PQuantizationMaxFunc pfQuantizationFour4x4Max	= pFuncList->pfQuantizationFour4x4Max;
-  PSetMemoryZero pfSetMemZeroSize8				        = pFuncList->pfSetMemZeroSize8;
-  PSetMemoryZero pfSetMemZeroSize64			        = pFuncList->pfSetMemZeroSize64;
-  PScanFunc pfScan4x4			                                    = pFuncList->pfScan4x4;
-  PCalculateSingleCtrFunc pfCalculateSingleCtr4x4		= pFuncList->pfCalculateSingleCtr4x4;
-  PGetNoneZeroCountFunc pfGetNoneZeroCount	    = pFuncList->pfGetNoneZeroCount;
-  PDeQuantizationFunc pfDequantizationFour4x4		= pFuncList->pfDequantizationFour4x4;
-  int16_t* pRes					                                    = pMbCache->pCoeffLevel;
-  int32_t iSingleCtrMb		= 0, iSingleCtr8x8[4];
-  int16_t* pBlock				= pMbCache->pDct->iLumaBlock[0];
-  uint8_t uiQp					= pCurMb->uiLumaQp;
+  PQuantizationMaxFunc pfQuantizationFour4x4Max         = pFuncList->pfQuantizationFour4x4Max;
+  PSetMemoryZero pfSetMemZeroSize8                      = pFuncList->pfSetMemZeroSize8;
+  PSetMemoryZero pfSetMemZeroSize64                     = pFuncList->pfSetMemZeroSize64;
+  PScanFunc pfScan4x4                                   = pFuncList->pfScan4x4;
+  PCalculateSingleCtrFunc pfCalculateSingleCtr4x4       = pFuncList->pfCalculateSingleCtr4x4;
+  PGetNoneZeroCountFunc pfGetNoneZeroCount              = pFuncList->pfGetNoneZeroCount;
+  PDeQuantizationFunc pfDequantizationFour4x4           = pFuncList->pfDequantizationFour4x4;
+  int16_t* pRes = pMbCache->pCoeffLevel;
+  int32_t iSingleCtrMb = 0, iSingleCtr8x8[4];
+  int16_t* pBlock = pMbCache->pDct->iLumaBlock[0];
+  uint8_t uiQp = pCurMb->uiLumaQp;
   const int16_t* pMF = g_kiQuantMF[uiQp];
   const int16_t* pFF = g_kiQuantInterFF[uiQp];
   int16_t aMax[16];
-  int32_t i, j, iNoneZeroCountMbDcAc	= 0, iNoneZeroCount = 0;
+  int32_t i, j, iNoneZeroCountMbDcAc = 0, iNoneZeroCount = 0;
 
   for (i = 0; i < 4; i++) {
     pfQuantizationFour4x4Max (pRes, pFF,  pMF, aMax + (i << 2));
@@ -220,7 +220,7 @@
 
   if (iSingleCtrMb < 6) {  //from JVT-O079
     iNoneZeroCountMbDcAc = 0;
-    pfSetMemZeroSize64 (pRes,  768);	// confirmed_safe_unsafe_usage
+    pfSetMemZeroSize64 (pRes,  768); // confirmed_safe_unsafe_usage
   } else {
     const uint8_t* kpNoneZeroCountIdx = g_kuiMbCountScan4Idx;
     for (i = 0; i < 4; i++) {
@@ -233,8 +233,8 @@
         }
         pfDequantizationFour4x4 (pRes, g_kuiDequantCoeff[uiQp]);
         pCurMb->uiCbp |= 1 << i;
-      } else {	// set zero for an 8x8 pBlock
-        pfSetMemZeroSize64 (pRes, 128);	// confirmed_safe_unsafe_usage
+      } else { // set zero for an 8x8 pBlock
+        pfSetMemZeroSize64 (pRes, 128); // confirmed_safe_unsafe_usage
         kpNoneZeroCountIdx += 4;
         pBlock += 64;
       }
@@ -244,22 +244,22 @@
 }
 
 void    WelsEncRecUV (SWelsFuncPtrList* pFuncList, SMB* pCurMb, SMbCache* pMbCache, int16_t* pRes, int32_t iUV) {
-  PQuantizationHadamardFunc pfQuantizationHadamard2x2		= pFuncList->pfQuantizationHadamard2x2;
-  PQuantizationMaxFunc pfQuantizationFour4x4Max	= pFuncList->pfQuantizationFour4x4Max;
-  PSetMemoryZero pfSetMemZeroSize8				        = pFuncList->pfSetMemZeroSize8;
-  PSetMemoryZero pfSetMemZeroSize64				    = pFuncList->pfSetMemZeroSize64;
-  PScanFunc pfScan4x4Ac		                                	= pFuncList->pfScan4x4Ac;
-  PCalculateSingleCtrFunc pfCalculateSingleCtr4x4		= pFuncList->pfCalculateSingleCtr4x4;
-  PGetNoneZeroCountFunc pfGetNoneZeroCount	    = pFuncList->pfGetNoneZeroCount;
-  PDeQuantizationFunc pfDequantizationFour4x4		= pFuncList->pfDequantizationFour4x4;
-  const int32_t kiInterFlag				                            = !IS_INTRA (pCurMb->uiMbType);
-  const uint8_t	kiQp                                                   = pCurMb->uiChromaQp;
-  uint8_t i, uiNoneZeroCount, uiNoneZeroCountMbAc	= 0, uiNoneZeroCountMbDc = 0;
-  uint8_t uiNoneZeroCountOffset	                            = (iUV - 1) << 1;	//UV==1 or 2
-  uint8_t uiSubMbIdx				                                = 16 + ((iUV - 1) << 2);			//uiSubMbIdx == 16 or 20
-  int16_t* iChromaDc			= pMbCache->pDct->iChromaDc[iUV - 1], *pBlock = pMbCache->pDct->iChromaBlock[ (iUV - 1) << 2];
+  PQuantizationHadamardFunc pfQuantizationHadamard2x2   = pFuncList->pfQuantizationHadamard2x2;
+  PQuantizationMaxFunc pfQuantizationFour4x4Max         = pFuncList->pfQuantizationFour4x4Max;
+  PSetMemoryZero pfSetMemZeroSize8                      = pFuncList->pfSetMemZeroSize8;
+  PSetMemoryZero pfSetMemZeroSize64                     = pFuncList->pfSetMemZeroSize64;
+  PScanFunc pfScan4x4Ac                                 = pFuncList->pfScan4x4Ac;
+  PCalculateSingleCtrFunc pfCalculateSingleCtr4x4       = pFuncList->pfCalculateSingleCtr4x4;
+  PGetNoneZeroCountFunc pfGetNoneZeroCount              = pFuncList->pfGetNoneZeroCount;
+  PDeQuantizationFunc pfDequantizationFour4x4           = pFuncList->pfDequantizationFour4x4;
+  const int32_t kiInterFlag                             = !IS_INTRA (pCurMb->uiMbType);
+  const uint8_t kiQp                                    = pCurMb->uiChromaQp;
+  uint8_t i, uiNoneZeroCount, uiNoneZeroCountMbAc       = 0, uiNoneZeroCountMbDc = 0;
+  uint8_t uiNoneZeroCountOffset                         = (iUV - 1) << 1;   //UV==1 or 2
+  uint8_t uiSubMbIdx                                    = 16 + ((iUV - 1) << 2); //uiSubMbIdx == 16 or 20
+  int16_t* iChromaDc = pMbCache->pDct->iChromaDc[iUV - 1], *pBlock = pMbCache->pDct->iChromaBlock[ (iUV - 1) << 2];
   int16_t aDct2x2[4], j, aMax[4];
-  int32_t iSingleCtr8x8		= 0;
+  int32_t iSingleCtr8x8 = 0;
   const int16_t* pMF = g_kiQuantMF[kiQp];
   const int16_t* pFF = g_kiQuantInterFF[ (!kiInterFlag) * 6 + kiQp];
 
@@ -285,8 +285,8 @@
   }
   pRes -= 64;
 
-  if (iSingleCtr8x8 < 7) {	//from JVT-O079
-    pfSetMemZeroSize64 (pRes, 128);	// confirmed_safe_unsafe_usage
+  if (iSingleCtr8x8 < 7) { //from JVT-O079
+    pfSetMemZeroSize64 (pRes, 128); // confirmed_safe_unsafe_usage
     ST16 (&pCurMb->pNonZeroCount[16 + uiNoneZeroCountOffset], 0);
     ST16 (&pCurMb->pNonZeroCount[20 + uiNoneZeroCountOffset], 0);
   } else {
@@ -307,17 +307,17 @@
     WelsDequantIHadamard2x2Dc (aDct2x2, g_kuiDequantCoeff[kiQp][0]);
     if (2 != (pCurMb->uiCbp >> 4))
       pCurMb->uiCbp |= (0x01 << 4) ;
-    pRes[0]	= aDct2x2[0];
-    pRes[16]	= aDct2x2[1];
-    pRes[32]	= aDct2x2[2];
-    pRes[48]	= aDct2x2[3];
+    pRes[0]  = aDct2x2[0];
+    pRes[16] = aDct2x2[1];
+    pRes[32] = aDct2x2[2];
+    pRes[48] = aDct2x2[3];
   }
 }
 
 
 void    WelsRecPskip (SDqLayer* pCurLayer, SWelsFuncPtrList* pFuncList, SMB* pCurMb, SMbCache* pMbCache) {
-  int32_t* iRecStride	= pCurLayer->iCsStride;
-  uint8_t** pCsMb		= &pMbCache->SPicData.pCsMb[0];
+  int32_t* iRecStride   = pCurLayer->iCsStride;
+  uint8_t** pCsMb       = &pMbCache->SPicData.pCsMb[0];
 
   pFuncList->pfCopy16x16Aligned (pCsMb[0],  *iRecStride++,  pMbCache->pSkipMb,       16);
   pFuncList->pfCopy8x8Aligned (pCsMb[1],    *iRecStride++,  pMbCache->pSkipMb + 256, 8);
@@ -326,7 +326,7 @@
 }
 
 bool WelsTryPYskip (sWelsEncCtx* pEncCtx, SMB* pCurMb, SMbCache* pMbCache) {
-  int32_t iSingleCtrMb	= 0;
+  int32_t iSingleCtrMb = 0;
   int16_t* pRes = pMbCache->pCoeffLevel;
   const uint8_t kuiQp = pCurMb->uiLumaQp;
 
@@ -339,7 +339,7 @@
     pEncCtx->pFuncList->pfQuantizationFour4x4Max (pRes, pFF,  pMF, (int16_t*)aMax);
 
     for (j = 0; j < 4; j++) {
-      if (aMax[j] > 1) return false;	// iSingleCtrMb += 9, can't be P_SKIP
+      if (aMax[j] > 1) return false; // iSingleCtrMb += 9, can't be P_SKIP
       else if (aMax[j] == 1) {
         pEncCtx->pFuncList->pfScan4x4 (pBlock, pRes); //
         iSingleCtrMb += pEncCtx->pFuncList->pfCalculateSingleCtr4x4 (pBlock);
--- a/codec/encoder/core/src/svc_encode_slice.cpp
+++ b/codec/encoder/core/src/svc_encode_slice.cpp
@@ -67,10 +67,10 @@
 }
 
 void WelsSliceHeaderScalExtInit (SDqLayer* pCurLayer, SSlice* pSlice) {
-  SSliceHeaderExt* pSliceHeadExt	= &pSlice->sSliceHeaderExt;
+  SSliceHeaderExt* pSliceHeadExt = &pSlice->sSliceHeaderExt;
   SNalUnitHeaderExt* pNalHeadExt = &pCurLayer->sLayerInfo.sNalHeaderExt;
 
-  uint8_t uiDependencyId	= pNalHeadExt->uiDependencyId;
+  uint8_t uiDependencyId = pNalHeadExt->uiDependencyId;
 
   pSliceHeadExt->bSliceSkipFlag = false;
 
@@ -90,7 +90,7 @@
   SSliceHeaderExt* pCurSliceExt = &pSlice->sSliceHeaderExt;
   SSliceHeader* pCurSliceHeader  = &pCurSliceExt->sSliceHeader;
 
-  pCurSliceHeader->eSliceType	= pEncCtx->eSliceType;
+  pCurSliceHeader->eSliceType = pEncCtx->eSliceType;
 
   pCurSliceExt->bStoreRefBasePicFlag = false;
 
@@ -99,14 +99,14 @@
   pCurSliceHeader->iFrameNum      = pEncCtx->iFrameNum;
   pCurSliceHeader->uiIdrPicId     = pEncCtx->uiIdrPicId;
 
-  pCurSliceHeader->iPicOrderCntLsb          = pEncCtx->pEncPic->iFramePoc;	// 0
+  pCurSliceHeader->iPicOrderCntLsb = pEncCtx->pEncPic->iFramePoc;      // 0
 
   if (P_SLICE == pEncCtx->eSliceType) {
-    pCurSliceHeader->uiNumRefIdxL0Active	= 1;
+    pCurSliceHeader->uiNumRefIdxL0Active = 1;
     if (pCurSliceHeader->uiRefCount > 0 &&
         pCurSliceHeader->uiRefCount < pCurLayer->sLayerInfo.pSpsP->iNumRefFrames) {
       pCurSliceHeader->bNumRefIdxActiveOverrideFlag = true;
-      pCurSliceHeader->uiNumRefIdxL0Active	= pCurSliceHeader->uiRefCount;
+      pCurSliceHeader->uiNumRefIdxL0Active = pCurSliceHeader->uiRefCount;
     }
     //to solve mismatch between debug&release
     else {
@@ -117,10 +117,10 @@
   pCurSliceHeader->iSliceQpDelta = pEncCtx->iGlobalQp - pCurLayer->sLayerInfo.pPpsP->iPicInitQp;
 
   //for deblocking initial
-  pCurSliceHeader->uiDisableDeblockingFilterIdc			= pCurLayer->iLoopFilterDisableIdc;
-  pCurSliceHeader->iSliceAlphaC0Offset					=
-    pCurLayer->iLoopFilterAlphaC0Offset;	//	need update iSliceAlphaC0Offset & iSliceBetaOffset for pSlice-header if loop_filter_idc != 1
-  pCurSliceHeader->iSliceBetaOffset						= pCurLayer->iLoopFilterBetaOffset;
+  pCurSliceHeader->uiDisableDeblockingFilterIdc = pCurLayer->iLoopFilterDisableIdc;
+  pCurSliceHeader->iSliceAlphaC0Offset =
+    pCurLayer->iLoopFilterAlphaC0Offset; // need update iSliceAlphaC0Offset & iSliceBetaOffset for pSlice-header if loop_filter_idc != 1
+  pCurSliceHeader->iSliceBetaOffset = pCurLayer->iLoopFilterBetaOffset;
   pCurSliceExt->uiDisableInterLayerDeblockingFilterIdc = pCurLayer->uiDisableInterLayerDeblockingFilterIdc;
 
   if (pSlice->bSliceHeaderExtFlag) {
@@ -127,13 +127,13 @@
     WelsSliceHeaderScalExtInit (pCurLayer, pSlice);
   } else {
     //both adaptive and default flags should equal to 0.
-    pCurSliceExt->bAdaptiveBaseModeFlag		=
-      pCurSliceExt->bAdaptiveMotionPredFlag		=
-        pCurSliceExt->bAdaptiveResidualPredFlag	= false;
+    pCurSliceExt->bAdaptiveBaseModeFlag =
+      pCurSliceExt->bAdaptiveMotionPredFlag =
+        pCurSliceExt->bAdaptiveResidualPredFlag = false;
 
-    pCurSliceExt->bDefaultBaseModeFlag		=
-      pCurSliceExt->bDefaultMotionPredFlag		=
-        pCurSliceExt->bDefaultResidualPredFlag	= false;
+    pCurSliceExt->bDefaultBaseModeFlag =
+      pCurSliceExt->bDefaultMotionPredFlag =
+        pCurSliceExt->bDefaultResidualPredFlag  = false;
   }
 }
 
@@ -178,13 +178,13 @@
 * \brief    write reference picture list on reordering syntax in Slice header
 */
 void WriteReferenceReorder (SBitStringAux* pBs, SSliceHeader* sSliceHeader) {
-  SRefPicListReorderSyntax* pRefOrdering	= &sSliceHeader->sRefReordering;
-  uint8_t eSliceType						= sSliceHeader->eSliceType % 5;
+  SRefPicListReorderSyntax* pRefOrdering    = &sSliceHeader->sRefReordering;
+  uint8_t eSliceType                        = sSliceHeader->eSliceType % 5;
   int16_t n = 0;
 
-  if (I_SLICE != eSliceType && SI_SLICE != eSliceType) {	// !I && !SI
+  if (I_SLICE != eSliceType && SI_SLICE != eSliceType) { // !I && !SI
     BsWriteOneBit (pBs, true);
-//		{
+//    {
     uint16_t uiReorderingOfPicNumsIdc;
     do {
       uiReorderingOfPicNumsIdc = pRefOrdering->SReorderingSyntax[n].uiReorderingOfPicNumsIdc;
@@ -196,7 +196,7 @@
 
       n ++;
     } while (3 != uiReorderingOfPicNumsIdc);
-//		}
+//    }
   }
 }
 
@@ -204,7 +204,7 @@
 * \brief    write reference picture marking syntax in pSlice header
 */
 void WriteRefPicMarking (SBitStringAux* pBs, SSliceHeader* pSliceHeader, SNalUnitHeaderExt* pNalHdrExt) {
-  SRefPicMarking* sRefMarking	= &pSliceHeader->sRefMarking;
+  SRefPicMarking* sRefMarking = &pSliceHeader->sRefMarking;
   int16_t n = 0;
 
   if (pNalHdrExt->bIdrFlag) {
@@ -324,7 +324,7 @@
   }
 
   BsWriteBits (pBs, pSps->iLog2MaxPocLsb, pSliceHeader->iPicOrderCntLsb);
-//	{
+//  {
   if (P_SLICE == pSliceHeader->eSliceType) {
     BsWriteOneBit (pBs, pSliceHeader->bNumRefIdxActiveOverrideFlag);
     if (pSliceHeader->bNumRefIdxActiveOverrideFlag) {
@@ -342,7 +342,7 @@
       BsWriteOneBit (pBs, pSliceHeadExt->bStoreRefBasePicFlag);
     }
   }
-//	}
+//  }
 
 
   if (pPps->bEntropyCodingModeFlag && pSliceHeader->eSliceType  != I_SLICE) {
@@ -417,14 +417,14 @@
 //only BaseLayer inter MB and SpatialLayer (uiQualityId = 0) inter MB calling this pFunc.
 //only for I SSlice
 void WelsIMbChromaEncode (sWelsEncCtx* pEncCtx, SMB* pCurMb, SMbCache* pMbCache) {
-  SWelsFuncPtrList* pFunc	= pEncCtx->pFuncList;
-  SDqLayer* pCurLayer			= pEncCtx->pCurDqLayer;
-  const int32_t kiEncStride	= pCurLayer->iEncStride[1];
-  const int32_t kiCsStride		= pCurLayer->iCsStride[1];
-  int16_t* pCurRS				= pMbCache->pCoeffLevel;
-  uint8_t* pBestPred			= pMbCache->pBestPredIntraChroma;
-  uint8_t* pCsCb				= pMbCache->SPicData.pCsMb[1];
-  uint8_t* pCsCr				= pMbCache->SPicData.pCsMb[2];
+  SWelsFuncPtrList* pFunc       = pEncCtx->pFuncList;
+  SDqLayer* pCurLayer           = pEncCtx->pCurDqLayer;
+  const int32_t kiEncStride     = pCurLayer->iEncStride[1];
+  const int32_t kiCsStride      = pCurLayer->iCsStride[1];
+  int16_t* pCurRS               = pMbCache->pCoeffLevel;
+  uint8_t* pBestPred            = pMbCache->pBestPredIntraChroma;
+  uint8_t* pCsCb                = pMbCache->SPicData.pCsMb[1];
+  uint8_t* pCsCr                = pMbCache->SPicData.pCsMb[2];
 
   //cb
   pFunc->pfDctFourT4 (pCurRS,    pMbCache->SPicData.pEncMb[1], kiEncStride, pBestPred,    8);
@@ -441,12 +441,12 @@
 //only BaseLayer inter MB and SpatialLayer (uiQualityId = 0) inter MB calling this pFunc.
 //for P SSlice (intra part + inter part)
 void WelsPMbChromaEncode (sWelsEncCtx* pEncCtx, SSlice* pSlice, SMB* pCurMb) {
-  SWelsFuncPtrList* pFunc	= pEncCtx->pFuncList;
-  SDqLayer* pCurLayer			= pEncCtx->pCurDqLayer;
-  const int32_t kiEncStride	= pCurLayer->iEncStride[1];
-  SMbCache* pMbCache			= &pSlice->sMbCacheInfo;
-  int16_t* pCurRS				= pMbCache->pCoeffLevel + 256;
-  uint8_t* pBestPred			= pMbCache->pMemPredChroma;
+  SWelsFuncPtrList* pFunc       = pEncCtx->pFuncList;
+  SDqLayer* pCurLayer           = pEncCtx->pCurDqLayer;
+  const int32_t kiEncStride     = pCurLayer->iEncStride[1];
+  SMbCache* pMbCache            = &pSlice->sMbCacheInfo;
+  int16_t* pCurRS               = pMbCache->pCoeffLevel + 256;
+  uint8_t* pBestPred            = pMbCache->pMemPredChroma;
 
   pFunc->pfDctFourT4 (pCurRS,       pMbCache->SPicData.pEncMb[1],   kiEncStride,    pBestPred,      8);
   pFunc->pfDctFourT4 (pCurRS + 64,  pMbCache->SPicData.pEncMb[2],   kiEncStride,    pBestPred + 64, 8);
@@ -457,15 +457,15 @@
 
 void OutputPMbWithoutConstructCsRsNoCopy (sWelsEncCtx* pCtx, SDqLayer* pDq, SSlice* pSlice, SMB* pMb) {
   if ((IS_INTER (pMb->uiMbType) && !IS_SKIP (pMb->uiMbType))
-      || IS_I_BL (pMb->uiMbType)) {	//intra have been reconstructed, NO COPY from CS to pDecPic--
-    SMbCache* pMbCache			= &pSlice->sMbCacheInfo;
-    uint8_t* pDecY				= pMbCache->SPicData.pDecMb[0];
-    uint8_t* pDecU				= pMbCache->SPicData.pDecMb[1];
-    uint8_t* pDecV				= pMbCache->SPicData.pDecMb[2];
-    int16_t* pScaledTcoeff		= pMbCache->pCoeffLevel;
-    const int32_t kiDecStrideLuma	= pDq->pDecPic->iLineSize[0];
-    const int32_t kiDecStrideChroma	= pDq->pDecPic->iLineSize[1];
-    PIDctFunc pfIdctFour4x4				= pCtx->pFuncList->pfIDctFourT4;
+      || IS_I_BL (pMb->uiMbType)) { //intra have been reconstructed, NO COPY from CS to pDecPic--
+    SMbCache* pMbCache                  = &pSlice->sMbCacheInfo;
+    uint8_t* pDecY                      = pMbCache->SPicData.pDecMb[0];
+    uint8_t* pDecU                      = pMbCache->SPicData.pDecMb[1];
+    uint8_t* pDecV                      = pMbCache->SPicData.pDecMb[2];
+    int16_t* pScaledTcoeff              = pMbCache->pCoeffLevel;
+    const int32_t kiDecStrideLuma       = pDq->pDecPic->iLineSize[0];
+    const int32_t kiDecStrideChroma     = pDq->pDecPic->iLineSize[1];
+    PIDctFunc pfIdctFour4x4             = pCtx->pFuncList->pfIDctFourT4;
 
     WelsIDctT4RecOnMb (pDecY, kiDecStrideLuma, pDecY, kiDecStrideLuma, pScaledTcoeff,  pfIdctFour4x4);
     pfIdctFour4x4 (pDecU, kiDecStrideChroma, pDecU, kiDecStrideChroma, pScaledTcoeff + 256);
@@ -482,17 +482,17 @@
 //first. store base or highest Dependency Layer with only one quality (without CS RS reconstruction)
 //second. lower than highest Dependency Layer, and for every Dependency Layer with one quality layer(single layer)
 int32_t WelsISliceMdEnc (sWelsEncCtx* pEncCtx, SSlice* pSlice) { //pMd + encoding
-  SDqLayer* pCurLayer				= pEncCtx->pCurDqLayer;
-  SSliceCtx* pSliceCtx		= pCurLayer->pSliceEncCtx;
-  SMbCache* pMbCache				= &pSlice->sMbCacheInfo;
-  SSliceHeaderExt* pSliceHdExt	= &pSlice->sSliceHeaderExt;
-  SMB* pMbList						= pCurLayer->sMbDataP;
-  SMB* pCurMb						= NULL;
-  const int32_t kiSliceFirstMbXY	= pSliceHdExt->sSliceHeader.iFirstMbInSlice;
-  int32_t iNextMbIdx				= kiSliceFirstMbXY;
-  const int32_t kiTotalNumMb		= pCurLayer->iMbWidth * pCurLayer->iMbHeight;
-  int32_t iCurMbIdx				= 0, iNumMbCoded = 0;
-  const int32_t kiSliceIdx			= pSlice->uiSliceIdx;
+  SDqLayer* pCurLayer           = pEncCtx->pCurDqLayer;
+  SSliceCtx* pSliceCtx          = pCurLayer->pSliceEncCtx;
+  SMbCache* pMbCache            = &pSlice->sMbCacheInfo;
+  SSliceHeaderExt* pSliceHdExt  = &pSlice->sSliceHeaderExt;
+  SMB* pMbList                  = pCurLayer->sMbDataP;
+  SMB* pCurMb                   = NULL;
+  const int32_t kiSliceFirstMbXY = pSliceHdExt->sSliceHeader.iFirstMbInSlice;
+  int32_t iNextMbIdx            = kiSliceFirstMbXY;
+  const int32_t kiTotalNumMb    = pCurLayer->iMbWidth * pCurLayer->iMbHeight;
+  int32_t iCurMbIdx             = 0, iNumMbCoded = 0;
+  const int32_t kiSliceIdx      = pSlice->uiSliceIdx;
   const uint8_t kuiChromaQpIndexOffset = pCurLayer->sLayerInfo.pPpsP->uiChromaQpIndexOffset;
 
   SWelsMD sMd;
@@ -503,7 +503,7 @@
   }
   for (; ;) {
     pEncCtx->pFuncList->pfStashMBStatus (&sDss, pSlice, 0);
-    iCurMbIdx	= iNextMbIdx;
+    iCurMbIdx = iNextMbIdx;
     pCurMb = &pMbList[ iCurMbIdx ];
 
     pEncCtx->pFuncList->pfRc.pfWelsRcMbInit (pEncCtx, pCurMb, pSlice);
@@ -544,19 +544,19 @@
 
 // Only for intra dynamic slicing
 int32_t WelsISliceMdEncDynamic (sWelsEncCtx* pEncCtx, SSlice* pSlice) { //pMd + encoding
-  SBitStringAux* pBs				= pSlice->pSliceBsa;
-  SDqLayer* pCurLayer				= pEncCtx->pCurDqLayer;
-  SSliceCtx* pSliceCtx		= pCurLayer->pSliceEncCtx;
-  SMbCache* pMbCache				= &pSlice->sMbCacheInfo;
-  SSliceHeaderExt* pSliceHdExt	= &pSlice->sSliceHeaderExt;
-  SMB* pMbList						= pCurLayer->sMbDataP;
-  SMB* pCurMb						= NULL;
-  const int32_t kiSliceFirstMbXY	= pSliceHdExt->sSliceHeader.iFirstMbInSlice;
-  int32_t iNextMbIdx				= kiSliceFirstMbXY;
-  const int32_t kiTotalNumMb		= pCurLayer->iMbWidth * pCurLayer->iMbHeight;
-  int32_t iCurMbIdx				= 0, iNumMbCoded = 0;
-  const int32_t kiSliceIdx				= pSlice->uiSliceIdx;
-  const int32_t kiPartitionId			= (kiSliceIdx % pEncCtx->iActiveThreadsNum);
+  SBitStringAux* pBs            = pSlice->pSliceBsa;
+  SDqLayer* pCurLayer           = pEncCtx->pCurDqLayer;
+  SSliceCtx* pSliceCtx          = pCurLayer->pSliceEncCtx;
+  SMbCache* pMbCache            = &pSlice->sMbCacheInfo;
+  SSliceHeaderExt* pSliceHdExt  = &pSlice->sSliceHeaderExt;
+  SMB* pMbList                  = pCurLayer->sMbDataP;
+  SMB* pCurMb                   = NULL;
+  const int32_t kiSliceFirstMbXY = pSliceHdExt->sSliceHeader.iFirstMbInSlice;
+  int32_t iNextMbIdx            = kiSliceFirstMbXY;
+  const int32_t kiTotalNumMb    = pCurLayer->iMbWidth * pCurLayer->iMbHeight;
+  int32_t iCurMbIdx             = 0, iNumMbCoded = 0;
+  const int32_t kiSliceIdx      = pSlice->uiSliceIdx;
+  const int32_t kiPartitionId   = (kiSliceIdx % pEncCtx->iActiveThreadsNum);
   const uint8_t kuiChromaQpIndexOffset = pCurLayer->sLayerInfo.pPpsP->uiChromaQpIndexOffset;
   int32_t iEncReturn = ENC_RETURN_SUCCESS;
 
@@ -567,7 +567,7 @@
     WelsInitSliceCabac (pEncCtx, pSlice);
   }
   for (; ;) {
-    iCurMbIdx	= iNextMbIdx;
+    iCurMbIdx = iNextMbIdx;
     pCurMb = &pMbList[ iCurMbIdx ];
 
     pEncCtx->pFuncList->pfStashMBStatus (&sDss, pSlice, 0);
@@ -598,7 +598,7 @@
     if (DynSlcJudgeSliceBoundaryStepBack (pEncCtx, pSlice, pSliceCtx, pCurMb, &sDss)) { //islice
       pEncCtx->pFuncList->pfStashPopMBStatus (&sDss, pSlice);
       pCurLayer->pLastCodedMbIdxOfPartition[kiPartitionId] = iCurMbIdx -
-          1;	// update pLastCodedMbIdxOfPartition, need to -1 due to stepping back
+          1; // update pLastCodedMbIdxOfPartition, need to -1 due to stepping back
       ++ pCurLayer->pNumSliceCodedOfPartition[kiPartitionId];
 
       break;
@@ -618,9 +618,9 @@
     iNextMbIdx = WelsGetNextMbOfSlice (pSliceCtx, iCurMbIdx);
     //whether all of MB in current pSlice encoded or not
     if (iNextMbIdx == -1 || iNextMbIdx >= kiTotalNumMb || iNumMbCoded >= kiTotalNumMb) {
-      pSliceCtx->pCountMbNumInSlice[kiSliceIdx]	= iCurMbIdx - pCurLayer->pLastCodedMbIdxOfPartition[kiPartitionId];
+      pSliceCtx->pCountMbNumInSlice[kiSliceIdx] = iCurMbIdx - pCurLayer->pLastCodedMbIdxOfPartition[kiPartitionId];
       pCurLayer->pLastCodedMbIdxOfPartition[kiPartitionId] =
-        iCurMbIdx;	// update pLastCodedMbIdxOfPartition, finish coding, use iCurMbIdx directly
+        iCurMbIdx; // update pLastCodedMbIdxOfPartition, finish coding, use iCurMbIdx directly
       break;
     }
   }
@@ -631,13 +631,13 @@
 // first. store base or highest Dependency Layer with only one quality (without CS RS reconstruction)
 // second. lower than highest Dependency Layer, and for every Dependency Layer with one quality layer(single layer)
 int32_t WelsPSliceMdEnc (sWelsEncCtx* pEncCtx, SSlice* pSlice,  const bool kbIsHighestDlayerFlag) { //pMd + encoding
-  const SSliceHeaderExt*	kpShExt				= &pSlice->sSliceHeaderExt;
-  const SSliceHeader*		kpSh					= &kpShExt->sSliceHeader;
-  const int32_t			kiSliceFirstMbXY	= kpSh->iFirstMbInSlice;
+  const SSliceHeaderExt*    kpShExt             = &pSlice->sSliceHeaderExt;
+  const SSliceHeader*       kpSh                = &kpShExt->sSliceHeader;
+  const int32_t             kiSliceFirstMbXY    = kpSh->iFirstMbInSlice;
   SWelsMD sMd;
 
-  sMd.uiRef			= kpSh->uiRefIndex;
-  sMd.bMdUsingSad		= kbIsHighestDlayerFlag;
+  sMd.uiRef         = kpSh->uiRefIndex;
+  sMd.bMdUsingSad   = kbIsHighestDlayerFlag;
   if (!pEncCtx->pCurDqLayer->bBaseLayerAvailableFlag || !kbIsHighestDlayerFlag)
     memset (&sMd.sMe, 0, sizeof (sMd.sMe));
 
@@ -646,13 +646,13 @@
 }
 
 int32_t WelsPSliceMdEncDynamic (sWelsEncCtx* pEncCtx, SSlice* pSlice, const bool kbIsHighestDlayerFlag) {
-  const SSliceHeaderExt*	kpShExt				= &pSlice->sSliceHeaderExt;
-  const SSliceHeader*		kpSh					= &kpShExt->sSliceHeader;
-  const int32_t			kiSliceFirstMbXY	= kpSh->iFirstMbInSlice;
+  const SSliceHeaderExt*    kpShExt             = &pSlice->sSliceHeaderExt;
+  const SSliceHeader*       kpSh                = &kpShExt->sSliceHeader;
+  const int32_t             kiSliceFirstMbXY    = kpSh->iFirstMbInSlice;
   SWelsMD sMd;
 
-  sMd.uiRef			= kpSh->uiRefIndex;
-  sMd.bMdUsingSad		= kbIsHighestDlayerFlag;
+  sMd.uiRef         = kpSh->uiRefIndex;
+  sMd.bMdUsingSad   = kbIsHighestDlayerFlag;
   if (!pEncCtx->pCurDqLayer->bBaseLayerAvailableFlag || !kbIsHighestDlayerFlag)
     memset (&sMd.sMe, 0, sizeof (sMd.sMe));
 
@@ -662,9 +662,9 @@
 
 int32_t WelsCodePSlice (sWelsEncCtx* pEncCtx, SSlice* pSlice) {
   //pSlice-level init should be outside and before this function
-  SDqLayer* pCurLayer			= pEncCtx->pCurDqLayer;
+  SDqLayer* pCurLayer = pEncCtx->pCurDqLayer;
 
-  const bool kbBaseAvail		= pCurLayer->bBaseLayerAvailableFlag;
+  const bool kbBaseAvail = pCurLayer->bBaseLayerAvailableFlag;
   const bool kbHighestSpatial = pEncCtx->pSvcParam->iSpatialLayerNum ==
                                 (pCurLayer->sLayerInfo.sNalHeaderExt.uiDependencyId + 1);
 
@@ -671,10 +671,10 @@
   //MD switch
   if (kbBaseAvail && kbHighestSpatial) {
     //initial pMd pointer
-    pEncCtx->pFuncList->pfInterMd			= WelsMdInterMbEnhancelayer;
+    pEncCtx->pFuncList->pfInterMd = WelsMdInterMbEnhancelayer;
   } else {
     //initial pMd pointer
-    pEncCtx->pFuncList->pfInterMd            = WelsMdInterMb;
+    pEncCtx->pFuncList->pfInterMd = WelsMdInterMb;
   }
   return WelsPSliceMdEnc (pEncCtx, pSlice, kbHighestSpatial);
 }
@@ -681,9 +681,9 @@
 
 int32_t WelsCodePOverDynamicSlice (sWelsEncCtx* pEncCtx, SSlice* pSlice) {
   //pSlice-level init should be outside and before this function
-  SDqLayer* pCurLayer			= pEncCtx->pCurDqLayer;
+  SDqLayer* pCurLayer = pEncCtx->pCurDqLayer;
 
-  const bool kbBaseAvail		= pCurLayer->bBaseLayerAvailableFlag;
+  const bool kbBaseAvail = pCurLayer->bBaseLayerAvailableFlag;
   const bool kbHighestSpatial = pEncCtx->pSvcParam->iSpatialLayerNum ==
                                 (pCurLayer->sLayerInfo.sNalHeaderExt.uiDependencyId + 1);
 
@@ -690,10 +690,10 @@
   //MD switch
   if (kbBaseAvail && kbHighestSpatial) {
     //initial pMd pointer
-    pEncCtx->pFuncList->pfInterMd			= WelsMdInterMbEnhancelayer;
+    pEncCtx->pFuncList->pfInterMd = WelsMdInterMbEnhancelayer;
   } else {
     //initial pMd pointer
-    pEncCtx->pFuncList->pfInterMd            = WelsMdInterMb;
+    pEncCtx->pFuncList->pfInterMd = WelsMdInterMb;
   }
   return WelsPSliceMdEncDynamic (pEncCtx, pSlice, kbHighestSpatial);
 }
@@ -711,11 +711,11 @@
 
 
 int32_t WelsCodeOneSlice (sWelsEncCtx* pEncCtx, const int32_t kiSliceIdx, const int32_t kiNalType) {
-  SDqLayer* pCurLayer					= pEncCtx->pCurDqLayer;
-  SNalUnitHeaderExt* pNalHeadExt	= &pCurLayer->sLayerInfo.sNalHeaderExt;
-  SSlice* pCurSlice					= &pCurLayer->sLayerInfo.pSliceInLayer[kiSliceIdx];
-  SBitStringAux* pBs					= pCurSlice->pSliceBsa;
-  const int32_t kiDynamicSliceFlag	= (pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId].sSliceCfg.uiSliceMode
+  SDqLayer* pCurLayer                   = pEncCtx->pCurDqLayer;
+  SNalUnitHeaderExt* pNalHeadExt        = &pCurLayer->sLayerInfo.sNalHeaderExt;
+  SSlice* pCurSlice                     = &pCurLayer->sLayerInfo.pSliceInLayer[kiSliceIdx];
+  SBitStringAux* pBs                    = pCurSlice->pSliceBsa;
+  const int32_t kiDynamicSliceFlag      = (pEncCtx->pSvcParam->sSpatialLayers[pEncCtx->uiDependencyId].sSliceCfg.uiSliceMode
                                        ==
                                        SM_DYN_SLICE);
 
@@ -763,27 +763,27 @@
                                         SMB* pMbList,
                                         const int32_t kiFirstMbIdxOfNextSlice,
                                         const int32_t kiLastMbIdxInPartition) {
-  const int32_t kiMbWidth					= pSliceCtx->iMbWidth;
-  int32_t iIdx								= kiFirstMbIdxOfNextSlice;
-  int32_t	iNextSliceFirstMbIdxRowStart = ((kiFirstMbIdxOfNextSlice % kiMbWidth) ? 1 : 0);
-  int32_t iCountMbUpdate					= kiMbWidth +
+  const int32_t kiMbWidth       = pSliceCtx->iMbWidth;
+  int32_t iIdx                  = kiFirstMbIdxOfNextSlice;
+  int32_t iNextSliceFirstMbIdxRowStart = ((kiFirstMbIdxOfNextSlice % kiMbWidth) ? 1 : 0);
+  int32_t iCountMbUpdate        = kiMbWidth +
                                     iNextSliceFirstMbIdxRowStart; //need to update MB(iMbXY+1) to MB(iMbXY+1+row) in common case
-  const int32_t kiEndMbNeedUpdate		= kiFirstMbIdxOfNextSlice + iCountMbUpdate;
-  SMB* pMb									= &pMbList[iIdx];
+  const int32_t kiEndMbNeedUpdate       = kiFirstMbIdxOfNextSlice + iCountMbUpdate;
+  SMB* pMb = &pMbList[iIdx];
 
   do {
-    uint32_t uiNeighborAvailFlag	= 0;
-    const int32_t kiMbXY				= pMb->iMbXY;
-    const int32_t kiMbX				= pMb->iMbX;
-    const int32_t kiMbY				= pMb->iMbY;
+    uint32_t uiNeighborAvailFlag = 0;
+    const int32_t kiMbXY = pMb->iMbXY;
+    const int32_t kiMbX  = pMb->iMbX;
+    const int32_t kiMbY  = pMb->iMbY;
     bool     bLeft;
     bool     bTop;
     bool     bLeftTop;
     bool     bRightTop;
     int32_t   iLeftXY, iTopXY, iLeftTopXY, iRightTopXY;
-    const uint16_t  kuiSliceIdc		= WelsMbToSliceIdc (pSliceCtx, kiMbXY);
+    const uint16_t kuiSliceIdc = WelsMbToSliceIdc (pSliceCtx, kiMbXY);
 
-    pMb->uiSliceIdc	= kuiSliceIdc;
+    pMb->uiSliceIdc = kuiSliceIdc;
     iLeftXY = kiMbXY - 1;
     iTopXY = kiMbXY - kiMbWidth;
     iLeftTopXY = iTopXY - 1;
@@ -806,7 +806,7 @@
     if (bRightTop) {
       uiNeighborAvailFlag |= TOPRIGHT_MB_POS;
     }
-    pMb->uiNeighborAvail	= (uint8_t)uiNeighborAvailFlag;
+    pMb->uiNeighborAvail = (uint8_t)uiNeighborAvailFlag;
 
     ++ pMb;
     ++ iIdx;
@@ -817,17 +817,17 @@
 
 void AddSliceBoundary (sWelsEncCtx* pEncCtx, SSlice* pCurSlice, SSliceCtx* pSliceCtx, SMB* pCurMb,
                        int32_t iFirstMbIdxOfNextSlice, const int32_t kiLastMbIdxInPartition) {
-  SDqLayer*	pCurLayer = pEncCtx->pCurDqLayer;
-  int32_t		iCurMbIdx		= pCurMb->iMbXY;
-  uint16_t		iCurSliceIdc	= pSliceCtx->pOverallMbMap[ iCurMbIdx ];
-  const int32_t kiSliceIdxStep = pEncCtx->iActiveThreadsNum;
-  uint16_t		iNextSliceIdc	= iCurSliceIdc + kiSliceIdxStep;
-  SSlice*		pNextSlice		= NULL;
+  SDqLayer*     pCurLayer       = pEncCtx->pCurDqLayer;
+  int32_t       iCurMbIdx       = pCurMb->iMbXY;
+  uint16_t      iCurSliceIdc    = pSliceCtx->pOverallMbMap[ iCurMbIdx ];
+  const int32_t kiSliceIdxStep  = pEncCtx->iActiveThreadsNum;
+  uint16_t      iNextSliceIdc   = iCurSliceIdc + kiSliceIdxStep;
+  SSlice*       pNextSlice      = NULL;
 
-  SMB* pMbList					= pCurLayer->sMbDataP;
+  SMB* pMbList = pCurLayer->sMbDataP;
 
   //update cur pSlice info
-  pCurSlice->sSliceHeaderExt.uiNumMbsInSlice	= 1 + iCurMbIdx - pCurSlice->sSliceHeaderExt.sSliceHeader.iFirstMbInSlice;
+  pCurSlice->sSliceHeaderExt.uiNumMbsInSlice = 1 + iCurMbIdx - pCurSlice->sSliceHeaderExt.sSliceHeader.iFirstMbInSlice;
 
   //pNextSlice pointer/initialization
   pNextSlice = & (pCurLayer->sLayerInfo.pSliceInLayer[ iNextSliceIdc ]);
@@ -841,7 +841,7 @@
   pNextSlice->bSliceHeaderExtFlag =
     (NAL_UNIT_CODED_SLICE_EXT == pCurLayer->sLayerInfo.sNalHeaderExt.sNalUnitHeader.eNalUnitType);
   memcpy (&pNextSlice->sSliceHeaderExt, &pCurSlice->sSliceHeaderExt,
-          sizeof (SSliceHeaderExt));	// confirmed_safe_unsafe_usage
+          sizeof (SSliceHeaderExt)); // confirmed_safe_unsafe_usage
 
   pSliceCtx->pFirstMbInSlice[iNextSliceIdc] = iFirstMbIdxOfNextSlice;
   WelsSetMemMultiplebytes_c (pSliceCtx->pOverallMbMap + iFirstMbIdxOfNextSlice, iNextSliceIdc,
@@ -855,12 +855,12 @@
                                        SDynamicSlicingStack* pDss) {
   sWelsEncCtx* pEncCtx = (sWelsEncCtx*)pCtx;
   SSlice* pCurSlice = (SSlice*)pSlice;
-  int32_t		   iCurMbIdx  = pCurMb->iMbXY;
-  uint32_t        uiLen = 0;
-  int32_t		   iPosBitOffset = 0;
+  int32_t iCurMbIdx = pCurMb->iMbXY;
+  uint32_t uiLen = 0;
+  int32_t iPosBitOffset = 0;
   const int32_t  kiActiveThreadsNum = pEncCtx->iActiveThreadsNum;
   const int32_t  kiPartitaionId = pCurSlice->uiSliceIdx % kiActiveThreadsNum;
-  const int32_t  kiLastMbIdxInPartition	= pEncCtx->pCurDqLayer->pLastMbIdxOfPartition[kiPartitaionId];
+  const int32_t  kiLastMbIdxInPartition = pEncCtx->pCurDqLayer->pLastMbIdxOfPartition[kiPartitaionId];
 
   const bool    kbCurMbNotFirstMbOfCurSlice      = (pSliceCtx->pOverallMbMap[iCurMbIdx] ==
       pSliceCtx->pOverallMbMap[iCurMbIdx - 1]);
@@ -933,26 +933,26 @@
                                   SWelsMD* pMd) {
   pMd->iLambda = g_kiQpCostTable[pCurMb->uiLumaQp];
   pMd->pMvdCost = &pMvdCostTable[pCurMb->uiLumaQp * kiMvdInterTableStride];
-  pMd->	iMbPixX = (pCurMb->iMbX << 4);
-  pMd->	iMbPixY = (pCurMb->iMbY << 4);
+  pMd-> iMbPixX = (pCurMb->iMbX << 4);
+  pMd-> iMbPixY = (pCurMb->iMbY << 4);
   memset (&pMd->iBlock8x8StaticIdc[0], 0, sizeof (pMd->iBlock8x8StaticIdc));
 }
 // for inter non-dynamic pSlice
 int32_t WelsMdInterMbLoop (sWelsEncCtx* pEncCtx, SSlice* pSlice, void* pWelsMd, const int32_t kiSliceFirstMbXY) {
-  SWelsMD* pMd					= (SWelsMD*)pWelsMd;
-  SBitStringAux* pBs			= pSlice->pSliceBsa;
-  SDqLayer* pCurLayer			= pEncCtx->pCurDqLayer;
-  SSliceCtx* pSliceCtx	= pCurLayer->pSliceEncCtx;
-  SMbCache* pMbCache			= &pSlice->sMbCacheInfo;
-  SMB* pMbList					= pCurLayer->sMbDataP;
-  SMB* pCurMb					= NULL;
-  int32_t iNumMbCoded		= 0;
-  int32_t	iNextMbIdx			= kiSliceFirstMbXY;
-  int32_t	iCurMbIdx			= -1;
-  const int32_t kiTotalNumMb	= pCurLayer->iMbWidth * pCurLayer->iMbHeight;
-  const int32_t kiMvdInterTableStride =  pEncCtx->iMvdCostTableStride;
-  uint16_t* pMvdCostTable		= &pEncCtx->pMvdCostTable[pEncCtx->iMvdCostTableSize];
-  const int32_t kiSliceIdx				= pSlice->uiSliceIdx;
+  SWelsMD* pMd          = (SWelsMD*)pWelsMd;
+  SBitStringAux* pBs    = pSlice->pSliceBsa;
+  SDqLayer* pCurLayer   = pEncCtx->pCurDqLayer;
+  SSliceCtx* pSliceCtx  = pCurLayer->pSliceEncCtx;
+  SMbCache* pMbCache    = &pSlice->sMbCacheInfo;
+  SMB* pMbList          = pCurLayer->sMbDataP;
+  SMB* pCurMb           = NULL;
+  int32_t iNumMbCoded   = 0;
+  int32_t iNextMbIdx    = kiSliceFirstMbXY;
+  int32_t iCurMbIdx     = -1;
+  const int32_t kiTotalNumMb = pCurLayer->iMbWidth * pCurLayer->iMbHeight;
+  const int32_t kiMvdInterTableStride = pEncCtx->iMvdCostTableStride;
+  uint16_t* pMvdCostTable = &pEncCtx->pMvdCostTable[pEncCtx->iMvdCostTableSize];
+  const int32_t kiSliceIdx = pSlice->uiSliceIdx;
   const uint8_t kuiChromaQpIndexOffset = pCurLayer->sLayerInfo.pPpsP->uiChromaQpIndexOffset;
   int32_t iEncReturn = ENC_RETURN_SUCCESS;
   SDynamicSlicingStack sDss;
@@ -963,7 +963,7 @@
   for (;;) {
     pEncCtx->pFuncList->pfStashMBStatus (&sDss, pSlice, pSlice->iMbSkipRun);
     //point to current pMb
-    iCurMbIdx	= iNextMbIdx;
+    iCurMbIdx = iNextMbIdx;
     pCurMb = &pMbList[ iCurMbIdx ];
 
 
@@ -1030,21 +1030,21 @@
 // Only for inter dynamic slicing
 int32_t WelsMdInterMbLoopOverDynamicSlice (sWelsEncCtx* pEncCtx, SSlice* pSlice, void* pWelsMd,
     const int32_t kiSliceFirstMbXY) {
-  SWelsMD* pMd					= (SWelsMD*)pWelsMd;
-  SBitStringAux* pBs			= pSlice->pSliceBsa;
-  SDqLayer* pCurLayer			= pEncCtx->pCurDqLayer;
-  SSliceCtx* pSliceCtx	= pCurLayer->pSliceEncCtx;
-  SMbCache* pMbCache			= &pSlice->sMbCacheInfo;
-  SMB* pMbList					= pCurLayer->sMbDataP;
-  SMB* pCurMb					= NULL;
-  int32_t iNumMbCoded		= 0;
-  const int32_t kiTotalNumMb	= pCurLayer->iMbWidth * pCurLayer->iMbHeight;
-  int32_t	iNextMbIdx			= kiSliceFirstMbXY;
-  int32_t	iCurMbIdx			= -1;
-  const int32_t kiMvdInterTableStride =  pEncCtx->iMvdCostTableStride;
-  uint16_t* pMvdCostTable		= &pEncCtx->pMvdCostTable[pEncCtx->iMvdCostTableSize];
-  const int32_t kiSliceIdx				= pSlice->uiSliceIdx;
-  const int32_t kiPartitionId			= (kiSliceIdx % pEncCtx->iActiveThreadsNum);
+  SWelsMD* pMd          = (SWelsMD*)pWelsMd;
+  SBitStringAux* pBs    = pSlice->pSliceBsa;
+  SDqLayer* pCurLayer   = pEncCtx->pCurDqLayer;
+  SSliceCtx* pSliceCtx  = pCurLayer->pSliceEncCtx;
+  SMbCache* pMbCache    = &pSlice->sMbCacheInfo;
+  SMB* pMbList          = pCurLayer->sMbDataP;
+  SMB* pCurMb           = NULL;
+  int32_t iNumMbCoded   = 0;
+  const int32_t kiTotalNumMb = pCurLayer->iMbWidth * pCurLayer->iMbHeight;
+  int32_t iNextMbIdx = kiSliceFirstMbXY;
+  int32_t iCurMbIdx = -1;
+  const int32_t kiMvdInterTableStride = pEncCtx->iMvdCostTableStride;
+  uint16_t* pMvdCostTable = &pEncCtx->pMvdCostTable[pEncCtx->iMvdCostTableSize];
+  const int32_t kiSliceIdx = pSlice->uiSliceIdx;
+  const int32_t kiPartitionId = (kiSliceIdx % pEncCtx->iActiveThreadsNum);
   const uint8_t kuiChromaQpIndexOffset = pCurLayer->sLayerInfo.pPpsP->uiChromaQpIndexOffset;
   int32_t iEncReturn = ENC_RETURN_SUCCESS;
 
@@ -1060,7 +1060,7 @@
     pEncCtx->pFuncList->pfStashMBStatus (&sDss, pSlice, pSlice->iMbSkipRun);
 
     //point to current pMb
-    iCurMbIdx	= iNextMbIdx;
+    iCurMbIdx = iNextMbIdx;
     pCurMb = &pMbList[ iCurMbIdx ];
 
     //step(1): set QP for the current MB
@@ -1111,7 +1111,7 @@
     if (DynSlcJudgeSliceBoundaryStepBack (pEncCtx, pSlice, pSliceCtx, pCurMb, &sDss)) {
       pSlice->iMbSkipRun = pEncCtx->pFuncList->pfStashPopMBStatus (&sDss, pSlice);
       pCurLayer->pLastCodedMbIdxOfPartition[kiPartitionId] = iCurMbIdx -
-          1;	// update pLastCodedMbIdxOfPartition, need to -1 due to stepping back
+          1; // update pLastCodedMbIdxOfPartition, need to -1 due to stepping back
       ++ pCurLayer->pNumSliceCodedOfPartition[kiPartitionId];
 
       break;
@@ -1134,7 +1134,7 @@
     //whether all of MB in current pSlice encoded or not
     if (iNextMbIdx == -1 || iNextMbIdx >= kiTotalNumMb || iNumMbCoded >= kiTotalNumMb) {
       pCurLayer->pLastCodedMbIdxOfPartition[kiPartitionId] =
-        iCurMbIdx;	// update pLastCodedMbIdxOfPartition, finish coding, use pCurMb_idx directly
+        iCurMbIdx; // update pLastCodedMbIdxOfPartition, finish coding, use pCurMb_idx directly
       break;
     }
   }
--- a/codec/encoder/core/src/svc_mode_decision.cpp
+++ b/codec/encoder/core/src/svc_mode_decision.cpp
@@ -58,11 +58,10 @@
   const uint32_t kuiNeighborAvail = pCurMb->uiNeighborAvail;
   const int32_t kiMbWidth = pCurDqLayer->iMbWidth;
   const  SMB* kpTopMb = pCurMb - kiMbWidth;
-  const bool kbMbLeftAvailPskip	= ((kuiNeighborAvail & LEFT_MB_POS) ? IS_SKIP ((pCurMb - 1)->uiMbType) : false);
-  const bool kbMbTopAvailPskip			= ((kuiNeighborAvail & TOP_MB_POS) ? IS_SKIP (kpTopMb->uiMbType) : false);
-  const bool kbMbTopLeftAvailPskip		= ((kuiNeighborAvail & TOPLEFT_MB_POS) ? IS_SKIP ((kpTopMb - 1)->uiMbType) : false);
-  const bool kbMbTopRightAvailPskip	= ((kuiNeighborAvail & TOPRIGHT_MB_POS) ? IS_SKIP ((
-                                         kpTopMb + 1)->uiMbType) : false);
+  const bool kbMbLeftAvailPskip = ((kuiNeighborAvail & LEFT_MB_POS) ? IS_SKIP ((pCurMb - 1)->uiMbType) : false);
+  const bool kbMbTopAvailPskip  = ((kuiNeighborAvail & TOP_MB_POS) ? IS_SKIP (kpTopMb->uiMbType) : false);
+  const bool kbMbTopLeftAvailPskip  = ((kuiNeighborAvail & TOPLEFT_MB_POS) ? IS_SKIP ((kpTopMb - 1)->uiMbType) : false);
+  const bool kbMbTopRightAvailPskip = ((kuiNeighborAvail & TOPRIGHT_MB_POS) ? IS_SKIP ((kpTopMb + 1)->uiMbType) : false);
 
   bool bTrySkip  = kbMbLeftAvailPskip | kbMbTopAvailPskip | kbMbTopLeftAvailPskip | kbMbTopRightAvailPskip;
   bool bKeepSkip = kbMbLeftAvailPskip & kbMbTopAvailPskip & kbMbTopRightAvailPskip;
@@ -107,10 +106,10 @@
 
 
 void WelsMdInterMbEnhancelayer (sWelsEncCtx* pEncCtx, SWelsMD* pMd, SSlice* pSlice, SMB* pCurMb, SMbCache* pMbCache) {
-  SDqLayer* pCurLayer				= pEncCtx->pCurDqLayer;
-  SWelsMD* pWelsMd					= (SWelsMD*)pMd;
-  const SMB* kpInterLayerRefMb		= GetRefMb (pCurLayer, pCurMb);
-  const Mb_Type kuiInterLayerRefMbType	= kpInterLayerRefMb->uiMbType;
+  SDqLayer* pCurLayer                   = pEncCtx->pCurDqLayer;
+  SWelsMD* pWelsMd                      = (SWelsMD*)pMd;
+  const SMB* kpInterLayerRefMb          = GetRefMb (pCurLayer, pCurMb);
+  const Mb_Type kuiInterLayerRefMbType  = kpInterLayerRefMb->uiMbType;
 
   SetMvBaseEnhancelayer (pWelsMd, pCurMb,
                          kpInterLayerRefMb); // initial sMvBase here only when pRef mb type is inter, if not sMvBase will be not used!
@@ -121,7 +120,7 @@
 
 // do initiation for noILP (needed by ILFMD)
 SMB* GetRefMb (SDqLayer* pCurLayer, SMB* pCurMb) {
-  const SDqLayer*  kpRefLayer		= pCurLayer->pRefLayer;
+  const SDqLayer*  kpRefLayer = pCurLayer->pRefLayer;
   const int32_t  kiRefMbIdx = (pCurMb->iMbY >> 1) * kpRefLayer->iMbWidth + (pCurMb->iMbX >>
                               1); //because current lower layer is half size on both vertical and horizontal
   return (&kpRefLayer->sMbDataP[kiRefMbIdx]);
@@ -180,12 +179,12 @@
 
   uint8_t* pCbEnc = pMbCache->SPicData.pEncMb[1];
   uint8_t* pCrEnc = pMbCache->SPicData.pEncMb[2];
-  uint8_t* pCbRef	 = pMbCache->SPicData.pRefMb[1];
+  uint8_t* pCbRef = pMbCache->SPicData.pRefMb[1];
   uint8_t* pCrRef = pMbCache->SPicData.pRefMb[2];
 
   const int32_t iCbEncStride         = pCurDqLayer->iEncStride[1];
-  const int32_t iCrEncStride          = pCurDqLayer->iEncStride[2];
-  const int32_t iChromaRefStride	= pCurDqLayer->pRefPic->iLineSize[1];
+  const int32_t iCrEncStride         = pCurDqLayer->iEncStride[2];
+  const int32_t iChromaRefStride     = pCurDqLayer->pRefPic->iLineSize[1];
 
   const int32_t iCbSad = GetChromaCost (pSad, pCbEnc, iCbEncStride, pCbRef, iChromaRefStride);
   const int32_t iCrSad = GetChromaCost (pSad, pCrEnc, iCrEncStride, pCrRef, iChromaRefStride);
@@ -220,7 +219,7 @@
 
   const int32_t kiRefMbQp = pCurDqLayer->pRefPic->pRefMbQp[pCurMb->iMbXY];
   const int32_t kiCurMbQp = pCurMb->uiLumaQp;// unsigned -> signed
-  int8_t*	pVaaBgMbFlag = pEncCtx->pVaa->pVaaBackgroundMbFlag + pCurMb->iMbXY;
+  int8_t* pVaaBgMbFlag    = pEncCtx->pVaa->pVaaBackgroundMbFlag + pCurMb->iMbXY;
 
   const int32_t kiMbWidth = pCurDqLayer->iMbWidth;
 
@@ -245,7 +244,7 @@
     //TODO: consider reusing this result of ChromaCheck when SCDSkip needs this as well
 
     if (CheckChromaCost (pEncCtx, pWelsMd, pMbCache, pCurMb->iMbXY)) {
-      SMVUnitXY	sVaaPredSkipMv = { 0 };
+      SMVUnitXY sVaaPredSkipMv = { 0 };
       PredSkipMv (pMbCache, &sVaaPredSkipMv);
       WelsMdBackgroundMbEnc (pEncCtx, pWelsMd, pCurMb, pMbCache, pSlice, (LD32 (&sVaaPredSkipMv) == 0));
       return true;
@@ -321,7 +320,7 @@
 
 
 bool JudgeStaticSkip (sWelsEncCtx* pEncCtx, SMB* pCurMb, SMbCache* pMbCache, SWelsMD* pWelsMd) {
-  SDqLayer* pCurDqLayer			= pEncCtx->pCurDqLayer;
+  SDqLayer* pCurDqLayer = pEncCtx->pCurDqLayer;
   const int32_t kiMbX = pCurMb->iMbX;
   const int32_t kiMbY = pCurMb->iMbY;
 
@@ -332,8 +331,8 @@
     SWelsFuncPtrList* pFunc = pEncCtx->pFuncList;
     SPicture* pRefOri = pCurDqLayer->pRefOri[0];
     if (pRefOri != NULL) {
-      iStrideUV	= pCurDqLayer->iEncStride[1];
-      iOffsetUV	= (kiMbX + kiMbY * iStrideUV) << 3;
+      iStrideUV = pCurDqLayer->iEncStride[1];
+      iOffsetUV = (kiMbX + kiMbY * iStrideUV) << 3;
 
       int32_t iSadCostCb = CalUVSadCost (pFunc, pMbCache->SPicData.pEncMb[1], iStrideUV, pRefOri->pData[1] + iOffsetUV,
                                          pRefOri->iLineSize[1]);
@@ -348,12 +347,12 @@
 }
 
 bool JudgeScrollSkip (sWelsEncCtx* pEncCtx, SMB* pCurMb, SMbCache* pMbCache, SWelsMD* pWelsMd) {
-  SDqLayer* pCurDqLayer			= pEncCtx->pCurDqLayer;
+  SDqLayer* pCurDqLayer = pEncCtx->pCurDqLayer;
   const int32_t kiMbX = pCurMb->iMbX;
   const int32_t kiMbY = pCurMb->iMbY;
   const int32_t kiMbWidth = pCurDqLayer->iMbWidth;
   const int32_t kiMbHeight = pCurDqLayer->iMbHeight;
-  //	const int32_t block_width = mb_width << 1;
+  // const int32_t block_width = mb_width << 1;
   SVAAFrameInfoExt_t* pVaaExt = static_cast<SVAAFrameInfoExt_t*> (pEncCtx->pVaa);
 
   bool bTryScrollSkip = false;
@@ -372,8 +371,8 @@
       if (CheckBorder (kiMbX, kiMbY, iScrollMvX, iScrollMvY, kiMbWidth, kiMbHeight)) {
         bTryScrollSkip =  false;
       } else {
-        iStrideUV	= pCurDqLayer->iEncStride[1];
-        iOffsetUV	= (kiMbX << 3) + (iScrollMvX >> 1) + ((kiMbY << 3) + (iScrollMvY >> 1)) * iStrideUV;
+        iStrideUV = pCurDqLayer->iEncStride[1];
+        iOffsetUV = (kiMbX << 3) + (iScrollMvX >> 1) + ((kiMbY << 3) + (iScrollMvY >> 1)) * iStrideUV;
 
         int32_t iSadCostCb = CalUVSadCost (pFunc, pMbCache->SPicData.pEncMb[1], iStrideUV, pRefOri->pData[1] + iOffsetUV,
                                            pRefOri->iLineSize[1]);
@@ -391,27 +390,27 @@
 void SvcMdSCDMbEnc (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SMB* pCurMb, SMbCache* pMbCache, SSlice* pSlice,
                     bool bQpSimilarFlag,
                     bool bMbSkipFlag, SMVUnitXY sCurMbMv[], ESkipModes eSkipMode) {
-  SDqLayer* pCurDqLayer		= pEncCtx->pCurDqLayer;
-  SWelsFuncPtrList* pFunc	= pEncCtx->pFuncList;
-  SMVUnitXY sMvp					= { 0};
+  SDqLayer* pCurDqLayer         = pEncCtx->pCurDqLayer;
+  SWelsFuncPtrList* pFunc       = pEncCtx->pFuncList;
+  SMVUnitXY sMvp = { 0};
   ST16 (&sMvp.iMvX, sCurMbMv[eSkipMode].iMvX);
   ST16 (&sMvp.iMvY, sCurMbMv[eSkipMode].iMvY);
-  uint8_t* pRefLuma			= pMbCache->SPicData.pRefMb[0];
-  uint8_t* pRefCb				= pMbCache->SPicData.pRefMb[1];
-  uint8_t* pRefCr				= pMbCache->SPicData.pRefMb[2];
-  int32_t iLineSizeY		= pCurDqLayer->pRefPic->iLineSize[0];
-  int32_t iLineSizeUV		= pCurDqLayer->pRefPic->iLineSize[1];
-  uint8_t* pDstLuma			= pMbCache->pSkipMb;
-  uint8_t* pDstCb				= pMbCache->pSkipMb + 256;
-  uint8_t* pDstCr				= pMbCache->pSkipMb + 256 + 64;
+  uint8_t* pRefLuma             = pMbCache->SPicData.pRefMb[0];
+  uint8_t* pRefCb               = pMbCache->SPicData.pRefMb[1];
+  uint8_t* pRefCr               = pMbCache->SPicData.pRefMb[2];
+  int32_t iLineSizeY            = pCurDqLayer->pRefPic->iLineSize[0];
+  int32_t iLineSizeUV           = pCurDqLayer->pRefPic->iLineSize[1];
+  uint8_t* pDstLuma             = pMbCache->pSkipMb;
+  uint8_t* pDstCb               = pMbCache->pSkipMb + 256;
+  uint8_t* pDstCr               = pMbCache->pSkipMb + 256 + 64;
 
-  const int32_t iOffsetY	= (sCurMbMv[eSkipMode].iMvX >> 2) + (sCurMbMv[eSkipMode].iMvY >> 2) * iLineSizeY;
+  const int32_t iOffsetY  = (sCurMbMv[eSkipMode].iMvX >> 2) + (sCurMbMv[eSkipMode].iMvY >> 2) * iLineSizeY;
   const int32_t iOffsetUV = (sCurMbMv[eSkipMode].iMvX >> 3) + (sCurMbMv[eSkipMode].iMvY >> 3) * iLineSizeUV;
 
   if (!bQpSimilarFlag || !bMbSkipFlag) {
     pDstLuma = pMbCache->pMemPredLuma;
-    pDstCb	= pMbCache->pMemPredChroma;
-    pDstCr	= pMbCache->pMemPredChroma + 64;
+    pDstCb   = pMbCache->pMemPredChroma;
+    pDstCr   = pMbCache->pMemPredChroma + 64;
   }
   //MC
   pFunc->sMcFuncs.pMcLumaFunc (pRefLuma + iOffsetY, iLineSizeY, pDstLuma, 16, 0, 0, 16, 16);
@@ -466,8 +465,8 @@
 
 bool MdInterSCDPskipProcess (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SSlice* pSlice, SMB* pCurMb, SMbCache* pMbCache,
                              ESkipModes eSkipMode) {
-  SVAAFrameInfoExt_t* pVaaExt		= static_cast<SVAAFrameInfoExt_t*> (pEncCtx->pVaa);
-  SDqLayer* pCurDqLayer			= pEncCtx->pCurDqLayer;
+  SVAAFrameInfoExt_t* pVaaExt   = static_cast<SVAAFrameInfoExt_t*> (pEncCtx->pVaa);
+  SDqLayer* pCurDqLayer         = pEncCtx->pCurDqLayer;
 
   const int32_t kiRefMbQp = pCurDqLayer->pRefPic->pRefMbQp[pCurMb->iMbXY];
   const int32_t kiCurMbQp = pCurMb->uiLumaQp;// unsigned -> signed
@@ -517,7 +516,7 @@
 // Scene Change Detection (SCD) PSkip Decision for screen content
 ////////////////////////
 bool WelsMdInterJudgeSCDPskip (sWelsEncCtx* pEncCtx, SWelsMD* pWelsMd, SSlice* slice, SMB* pCurMb, SMbCache* pMbCache) {
-  SDqLayer* pCurDqLayer			= pEncCtx->pCurDqLayer;
+  SDqLayer* pCurDqLayer = pEncCtx->pCurDqLayer;
 
   SetBlockStaticIdcToMd (pEncCtx->pVaa, pWelsMd, pCurMb, pCurDqLayer);
 
@@ -635,7 +634,7 @@
 // SetScrollingMvToMd
 //
 void SetScrollingMvToMd (SVAAFrameInfo* pVaa, SWelsMD* pWelsMd) {
-  SVAAFrameInfoExt* pVaaExt		= static_cast<SVAAFrameInfoExt*> (pVaa);
+  SVAAFrameInfoExt* pVaaExt = static_cast<SVAAFrameInfoExt*> (pVaa);
 
   SMVUnitXY          sTempMv;
   sTempMv.iMvX = pVaaExt->sScrollDetectInfo.iScrollMvX;
--- a/codec/encoder/core/src/svc_set_mb_syn_cabac.cpp
+++ b/codec/encoder/core/src/svc_set_mb_syn_cabac.cpp
@@ -372,7 +372,7 @@
 int16_t WelsGetMbCtxCabac (SMbCache* pMbCache, SMB* pCurMb, uint32_t iMbWidth, ECtxBlockCat eCtxBlockCat,
                            int16_t iIdx) {
   int16_t iNzA = -1, iNzB = -1;
-  int8_t* pNonZeroCoeffCount	= pMbCache->iNonZeroCoeffCount;
+  int8_t* pNonZeroCoeffCount = pMbCache->iNonZeroCoeffCount;
   int32_t bIntra = IS_INTRA (pCurMb->uiMbType);
   int32_t iCtxInc = 0;
   switch (eCtxBlockCat) {
@@ -479,11 +479,11 @@
                                   int16_t iMbWidth, uint32_t uiChromaQpIndexOffset) {
 
   const uint16_t uiMbType = pCurMb->uiMbType;
-  SMbCache* pMbCache	= &pSlice->sMbCacheInfo;
+  SMbCache* pMbCache = &pSlice->sMbCacheInfo;
   int16_t i = 0;
-  int8_t* pNonZeroCoeffCount	= pMbCache->iNonZeroCoeffCount;
+  int8_t* pNonZeroCoeffCount = pMbCache->iNonZeroCoeffCount;
   SSliceHeaderExt* pSliceHeadExt = &pSlice->sSliceHeaderExt;
-  const int32_t iSliceFirstMbXY	= pSliceHeadExt->sSliceHeader.iFirstMbInSlice;
+  const int32_t iSliceFirstMbXY = pSliceHeadExt->sSliceHeader.iFirstMbInSlice;
 
 
   pCurMb->iCbpDc = 0;
@@ -560,7 +560,7 @@
     }
   } else {
     pCurMb->iLumaDQp = 0;
-    pCurMb->uiLumaQp	= pSlice->uiLastMbQp;
+    pCurMb->uiLumaQp = pSlice->uiLastMbQp;
     pCurMb->uiChromaQp = g_kuiChromaQpTable[CLIP3_QP_0_51 (pCurMb->uiLumaQp + uiChromaQpIndexOffset)];
   }
   return 0;
@@ -578,11 +578,11 @@
 
 int32_t WelsSpatialWriteMbSynCabac (sWelsEncCtx* pEncCtx, SSlice* pSlice, SMB* pCurMb) {
   SCabacCtx* pCabacCtx = &pSlice->sCabacCtx;
-  SMbCache* pMbCache	= &pSlice->sMbCacheInfo;
+  SMbCache* pMbCache = &pSlice->sMbCacheInfo;
   const uint16_t uiMbType = pCurMb->uiMbType;
   SSliceHeaderExt* pSliceHeadExt = &pSlice->sSliceHeaderExt;
   uint32_t uiNumRefIdxL0Active = pSliceHeadExt->sSliceHeader.uiNumRefIdxL0Active - 1;
-  const int32_t iSliceFirstMbXY	= pSliceHeadExt->sSliceHeader.iFirstMbInSlice;
+  const int32_t iSliceFirstMbXY = pSliceHeadExt->sSliceHeader.iFirstMbInSlice;
   int16_t i = 0;
   int16_t iMbWidth = pEncCtx->pCurDqLayer->iMbWidth;
   uint32_t uiChromaQpIndexOffset = pEncCtx->pCurDqLayer->sLayerInfo.pPpsP->uiChromaQpIndexOffset;
@@ -592,7 +592,7 @@
     WelsCabacEncodeTerminate (&pSlice->sCabacCtx, 0);
 
   if (IS_SKIP (pCurMb->uiMbType)) {
-    pCurMb->uiLumaQp	= pSlice->uiLastMbQp;
+    pCurMb->uiLumaQp = pSlice->uiLastMbQp;
     pCurMb->uiChromaQp = g_kuiChromaQpTable[CLIP3_QP_0_51 (pCurMb->uiLumaQp + uiChromaQpIndexOffset)];
     WelsMbSkipCabac (&pSlice->sCabacCtx, pCurMb, iMbWidth, pEncCtx->eSliceType, 1);
 
--- a/codec/encoder/core/src/svc_set_mb_syn_cavlc.cpp
+++ b/codec/encoder/core/src/svc_set_mb_syn_cavlc.cpp
@@ -57,8 +57,8 @@
 
 //============================Enhance Layer CAVLC Writing===========================
 void WelsSpatialWriteMbPred (sWelsEncCtx* pEncCtx, SSlice* pSlice, SMB* pCurMb) {
-  SMbCache* pMbCache	= &pSlice->sMbCacheInfo;
-  SBitStringAux* pBs	= pSlice->pSliceBsa;
+  SMbCache* pMbCache = &pSlice->sMbCacheInfo;
+  SBitStringAux* pBs = pSlice->pSliceBsa;
   SSliceHeaderExt* pSliceHeadExt = &pSlice->sSliceHeaderExt;
   int32_t iNumRefIdxl0ActiveMinus1 = pSliceHeadExt->sSliceHeader.uiNumRefIdxL0Active - 1;
 
@@ -169,8 +169,8 @@
 }
 
 void WelsSpatialWriteSubMbPred (sWelsEncCtx* pEncCtx, SSlice* pSlice, SMB* pCurMb) {
-  SMbCache* pMbCache	= &pSlice->sMbCacheInfo;
-  SBitStringAux* pBs	= pSlice->pSliceBsa;
+  SMbCache* pMbCache = &pSlice->sMbCacheInfo;
+  SBitStringAux* pBs = pSlice->pSliceBsa;
   SSliceHeaderExt* pSliceHeadExt = &pSlice->sSliceHeaderExt;
 
   int32_t iNumRefIdxl0ActiveMinus1 = pSliceHeadExt->sSliceHeader.uiNumRefIdxL0Active - 1;
@@ -226,7 +226,7 @@
   const uint8_t kuiChromaQpIndexOffset = pEncCtx->pCurDqLayer->sLayerInfo.pPpsP->uiChromaQpIndexOffset;
 
   if (IS_SKIP (pCurMb->uiMbType)) {
-    pCurMb->uiLumaQp	= pSlice->uiLastMbQp;
+    pCurMb->uiLumaQp = pSlice->uiLastMbQp;
     pCurMb->uiChromaQp = g_kuiChromaQpTable[CLIP3_QP_0_51 (pCurMb->uiLumaQp + kuiChromaQpIndexOffset)];
 
     pSlice->iMbSkipRun++;
@@ -271,10 +271,10 @@
 
 int32_t WelsWriteMbResidual (SWelsFuncPtrList* pFuncList, SMbCache* sMbCacheInfo, SMB* pCurMb, SBitStringAux* pBs) {
   int32_t i;
-  Mb_Type uiMbType					= pCurMb->uiMbType;
-  const int32_t kiCbpChroma		= pCurMb->uiCbp >> 4;
-  const int32_t kiCbpLuma			= pCurMb->uiCbp & 0x0F;
-  int8_t* pNonZeroCoeffCount	= sMbCacheInfo->iNonZeroCoeffCount;
+  Mb_Type uiMbType              = pCurMb->uiMbType;
+  const int32_t kiCbpChroma     = pCurMb->uiCbp >> 4;
+  const int32_t kiCbpLuma       = pCurMb->uiCbp & 0x0F;
+  int8_t* pNonZeroCoeffCount    = sMbCacheInfo->iNonZeroCoeffCount;
   int16_t* pBlock;
   int8_t iA, iB, iC;
 
--- a/codec/encoder/core/src/wels_preprocess.cpp
+++ b/codec/encoder/core/src/wels_preprocess.cpp
@@ -122,9 +122,9 @@
 }
 
 int32_t CWelsPreProcess::AllocSpatialPictures (sWelsEncCtx* pCtx, SWelsSvcCodingParam* pParam) {
-  CMemoryAlign* pMa						= pCtx->pMemAlign;
-  const int32_t kiDlayerCount					= pParam->iSpatialLayerNum;
-  int32_t iDlayerIndex							= 0;
+  CMemoryAlign* pMa             = pCtx->pMemAlign;
+  const int32_t kiDlayerCount   = pParam->iSpatialLayerNum;
+  int32_t iDlayerIndex          = 0;
 
   // spatial pictures
   iDlayerIndex = 0;
@@ -155,7 +155,7 @@
 }
 
 void CWelsPreProcess::FreeSpatialPictures (sWelsEncCtx* pCtx) {
-  CMemoryAlign* pMa	= pCtx->pMemAlign;
+  CMemoryAlign* pMa = pCtx->pMemAlign;
   int32_t j = 0;
   while (j < pCtx->pSvcParam->iSpatialLayerNum) {
     uint8_t i = 0;
@@ -221,7 +221,7 @@
   bool bCalculateVar = (pSvcParam->iRCMode >= RC_BITRATE_MODE && pCtx->eSliceType == I_SLICE);
 
   if (pSvcParam->iUsageType == SCREEN_CONTENT_REAL_TIME) {
-    SVAAFrameInfoExt* pVaaExt			= static_cast<SVAAFrameInfoExt*> (m_pEncCtx->pVaa);
+    SVAAFrameInfoExt* pVaaExt = static_cast<SVAAFrameInfoExt*> (m_pEncCtx->pVaa);
     SRefInfoParam* BestRefCandidateParam = (pCtx->bCurFrameMarkedAsSceneLtr) ? (& (pVaaExt->sVaaLtrBestRefCandidate[0])) :
                                            (& (pVaaExt->sVaaStrBestRefCandidate[0]));
     SPicture* pRefPic = m_pSpatialPic[0][BestRefCandidateParam->iSrcListIdx];
@@ -294,21 +294,21 @@
   int8_t  iDependencyId             = pSvcParam->iSpatialLayerNum - 1;
   int32_t iPicturePos               = m_uiSpatialLayersInTemporal[iDependencyId] - 1;
 
-  SPicture* pSrcPic					= NULL;	// large
-  SPicture* pDstPic					= NULL;	// small
-  SSpatialLayerConfig* pDlayerParam					= NULL;
-  SSpatialLayerInternal* pDlayerParamInternal					= NULL;
-  int32_t iSpatialNum					= 0;
-  int32_t iSrcWidth					= 0;
-  int32_t iSrcHeight					= 0;
-  int32_t iTargetWidth					= 0;
-  int32_t iTargetHeight					= 0;
+  SPicture* pSrcPic                 = NULL; // large
+  SPicture* pDstPic                 = NULL; // small
+  SSpatialLayerConfig* pDlayerParam = NULL;
+  SSpatialLayerInternal* pDlayerParamInternal = NULL;
+  int32_t iSpatialNum               = 0;
+  int32_t iSrcWidth                 = 0;
+  int32_t iSrcHeight                = 0;
+  int32_t iTargetWidth              = 0;
+  int32_t iTargetHeight             = 0;
   int32_t iTemporalId = 0;
-  int32_t iActualSpatialLayerNum      = 0;
+  int32_t iActualSpatialLayerNum    = 0;
 
   pDlayerParamInternal = &pSvcParam->sDependencyLayers[iDependencyId];
   pDlayerParam = &pSvcParam->sSpatialLayers[iDependencyId];
-  iTargetWidth	  = pDlayerParam->iVideoWidth;
+  iTargetWidth   = pDlayerParam->iVideoWidth;
   iTargetHeight  = pDlayerParam->iVideoHeight;
   iTemporalId    = pDlayerParamInternal->uiCodingIdx2TemporalId[pCtx->iCodingIndex & (pSvcParam->uiGopSize - 1)];
   iSrcWidth   = pSvcParam->SUsedPicRect.iWidth;
@@ -328,7 +328,7 @@
   pDstPic = pSrcPic;
   if (pScaledPicture->pScaledInputPicture) {
     // for highest downsampling
-    pDstPic		= m_pSpatialPic[iDependencyId][iPicturePos];
+    pDstPic = m_pSpatialPic[iDependencyId][iPicturePos];
     iShrinkWidth = pScaledPicture->iScaledWidth[iDependencyId];
     iShrinkHeight = pScaledPicture->iScaledHeight[iDependencyId];
   }
@@ -363,21 +363,21 @@
     -- iActualSpatialLayerNum;
   }
 
-  m_pLastSpatialPicture[iDependencyId][1]	= m_pSpatialPic[iDependencyId][iPicturePos];
+  m_pLastSpatialPicture[iDependencyId][1] = m_pSpatialPic[iDependencyId][iPicturePos];
   -- iDependencyId;
 
   // generate other spacial layer
   // pSrc is
-  //	-- padded input pic, if downsample should be applied to generate highest layer, [if] block above
-  //	-- highest layer, if no downsampling, [else] block above
+  //    -- padded input pic, if downsample should be applied to generate highest layer, [if] block above
+  //    -- highest layer, if no downsampling, [else] block above
   if (pSvcParam->iSpatialLayerNum > 1) {
     while (iDependencyId >= 0) {
       pDlayerParamInternal = &pSvcParam->sDependencyLayers[iDependencyId];
       pDlayerParam = &pSvcParam->sSpatialLayers[iDependencyId];
-      iTargetWidth	= pDlayerParam->iVideoWidth;
-      iTargetHeight	= pDlayerParam->iVideoHeight;
+      iTargetWidth  = pDlayerParam->iVideoWidth;
+      iTargetHeight = pDlayerParam->iVideoHeight;
       iTemporalId = pDlayerParamInternal->uiCodingIdx2TemporalId[pCtx->iCodingIndex & (pSvcParam->uiGopSize - 1)];
-      iPicturePos		= m_uiSpatialLayersInTemporal[iDependencyId] - 1;
+      iPicturePos = m_uiSpatialLayersInTemporal[iDependencyId] - 1;
 
       // NOT work for CGS, FIXME
       // spatial layer is able to encode indeed
@@ -384,7 +384,7 @@
       if ((iTemporalId != INVALID_TEMPORAL_ID)) {
         // down sampling performed
 
-        pDstPic	= m_pSpatialPic[iDependencyId][iPicturePos];	// small
+        pDstPic = m_pSpatialPic[iDependencyId][iPicturePos]; // small
         iShrinkWidth = pScaledPicture->iScaledWidth[iDependencyId];
         iShrinkHeight = pScaledPicture->iScaledHeight[iDependencyId];
         DownsamplePadding (pSrcPic, pDstPic, iSrcWidth, iSrcHeight, iShrinkWidth, iShrinkHeight, iTargetWidth, iTargetHeight, true);
@@ -394,7 +394,7 @@
         -- iActualSpatialLayerNum;
         ++ iSpatialNum;
 
-        m_pLastSpatialPicture[iDependencyId][1]	= m_pSpatialPic[iDependencyId][iPicturePos];
+        m_pLastSpatialPicture[iDependencyId][1] = m_pSpatialPic[iDependencyId][iPicturePos];
       }
       -- iDependencyId;
     }
@@ -408,10 +408,10 @@
  * \brief   Whether input picture need be scaled?
  */
 bool JudgeNeedOfScaling (SWelsSvcCodingParam* pParam, Scaled_Picture* pScaledPicture) {
-  const int32_t kiInputPicWidth	= pParam->SUsedPicRect.iWidth;
+  const int32_t kiInputPicWidth  = pParam->SUsedPicRect.iWidth;
   const int32_t kiInputPicHeight = pParam->SUsedPicRect.iHeight;
-  const int32_t kiDstPicWidth		= pParam->sDependencyLayers[pParam->iSpatialLayerNum - 1].iActualWidth;
-  const int32_t kiDstPicHeight	= pParam->sDependencyLayers[pParam->iSpatialLayerNum - 1].iActualHeight;
+  const int32_t kiDstPicWidth    = pParam->sDependencyLayers[pParam->iSpatialLayerNum - 1].iActualWidth;
+  const int32_t kiDstPicHeight   = pParam->sDependencyLayers[pParam->iSpatialLayerNum - 1].iActualHeight;
   bool bNeedDownsampling = true;
 
   int32_t iSpatialIdx = pParam->iSpatialLayerNum - 1;
@@ -423,10 +423,10 @@
 
   for (; iSpatialIdx >= 0; iSpatialIdx --) {
     SSpatialLayerInternal* pCurLayer = &pParam->sDependencyLayers[iSpatialIdx];
-    int32_t iCurDstWidth			= pCurLayer->iActualWidth;
-    int32_t iCurDstHeight			= pCurLayer->iActualHeight;
-    int32_t iInputWidthXDstHeight	= kiInputPicWidth * iCurDstHeight;
-    int32_t iInputHeightXDstWidth	= kiInputPicHeight * iCurDstWidth;
+    int32_t iCurDstWidth             = pCurLayer->iActualWidth;
+    int32_t iCurDstHeight            = pCurLayer->iActualHeight;
+    int32_t iInputWidthXDstHeight    = kiInputPicWidth * iCurDstHeight;
+    int32_t iInputHeightXDstWidth    = kiInputPicHeight * iCurDstWidth;
 
     if (iInputWidthXDstHeight > iInputHeightXDstWidth) {
       pScaledPicture->iScaledWidth[iSpatialIdx] = WELS_MAX (iCurDstWidth, 4);
@@ -459,21 +459,21 @@
 }
 
 int32_t CWelsPreProcess::InitLastSpatialPictures (sWelsEncCtx* pCtx) {
-  SWelsSvcCodingParam* pParam	= pCtx->pSvcParam;
-  const int32_t kiDlayerCount			= pParam->iSpatialLayerNum;
-  int32_t iDlayerIndex					= 0;
+  SWelsSvcCodingParam* pParam   = pCtx->pSvcParam;
+  const int32_t kiDlayerCount   = pParam->iSpatialLayerNum;
+  int32_t iDlayerIndex          = 0;
   if (pParam->iUsageType == SCREEN_CONTENT_REAL_TIME) {
     for (; iDlayerIndex < MAX_DEPENDENCY_LAYER; iDlayerIndex++) {
-      m_pLastSpatialPicture[iDlayerIndex][0]	= m_pLastSpatialPicture[iDlayerIndex][1] = NULL;
+      m_pLastSpatialPicture[iDlayerIndex][0] = m_pLastSpatialPicture[iDlayerIndex][1] = NULL;
     }
   } else {
     for (; iDlayerIndex < kiDlayerCount; iDlayerIndex++) {
       const int32_t kiLayerInTemporal = m_uiSpatialLayersInTemporal[iDlayerIndex];
-      m_pLastSpatialPicture[iDlayerIndex][0]	= m_pSpatialPic[iDlayerIndex][kiLayerInTemporal - 2];
-      m_pLastSpatialPicture[iDlayerIndex][1]	= NULL;
+      m_pLastSpatialPicture[iDlayerIndex][0] = m_pSpatialPic[iDlayerIndex][kiLayerInTemporal - 2];
+      m_pLastSpatialPicture[iDlayerIndex][1] = NULL;
     }
     for (; iDlayerIndex < MAX_DEPENDENCY_LAYER; iDlayerIndex++) {
-      m_pLastSpatialPicture[iDlayerIndex][0]	= m_pLastSpatialPicture[iDlayerIndex][1] = NULL;
+      m_pLastSpatialPicture[iDlayerIndex][0] = m_pLastSpatialPicture[iDlayerIndex][1] = NULL;
     }
   }
   return 0;
@@ -575,7 +575,7 @@
                         iSrcWidth, iSrcHeight);
     }
   } else {
-    memcpy (&sDstPicMap, &sSrcPixMap, sizeof (sDstPicMap));	// confirmed_safe_unsafe_usage
+    memcpy (&sDstPicMap, &sSrcPixMap, sizeof (sDstPicMap)); // confirmed_safe_unsafe_usage
   }
 
   // get rid of odd line
@@ -614,9 +614,9 @@
     sRefPixMap.iStride[0] = pRefPicture->iLineSize[0];
     sRefPixMap.eFormat = VIDEO_FORMAT_I420;
 
-    calc_param.iCalcVar	= bCalculateVar;
-    calc_param.iCalcBgd	= bCalculateBGD;
-    calc_param.iCalcSsd	= bCalculateSQDiff;
+    calc_param.iCalcVar = bCalculateVar;
+    calc_param.iCalcBgd = bCalculateBGD;
+    calc_param.iCalcSsd = bCalculateSQDiff;
     calc_param.pCalcResult = &pVaaInfo->sVaaCalcInfo;
 
     m_pInterfaceVp->Set (iMethodIdx, &calc_param);
@@ -630,14 +630,14 @@
     pVaaInfo->iPicWidth     = pCurPicture->iWidthInPixel;
     pVaaInfo->iPicHeight    = pCurPicture->iHeightInPixel;
 
-    pVaaInfo->iPicStride	= pCurPicture->iLineSize[0];
-    pVaaInfo->iPicStrideUV	= pCurPicture->iLineSize[1];
-    pVaaInfo->pCurY			= pCurPicture->pData[0];
-    pVaaInfo->pRefY			= pRefPicture->pData[0];
-    pVaaInfo->pCurU			= pCurPicture->pData[1];
-    pVaaInfo->pRefU			= pRefPicture->pData[1];
-    pVaaInfo->pCurV			= pCurPicture->pData[2];
-    pVaaInfo->pRefV			= pRefPicture->pData[2];
+    pVaaInfo->iPicStride    = pCurPicture->iLineSize[0];
+    pVaaInfo->iPicStrideUV  = pCurPicture->iLineSize[1];
+    pVaaInfo->pCurY         = pCurPicture->pData[0];
+    pVaaInfo->pRefY         = pRefPicture->pData[0];
+    pVaaInfo->pCurU         = pCurPicture->pData[1];
+    pVaaInfo->pRefU         = pRefPicture->pData[1];
+    pVaaInfo->pCurV         = pCurPicture->pData[2];
+    pVaaInfo->pRefV         = pRefPicture->pData[2];
 
     int32_t iMethodIdx = METHOD_BACKGROUND_DETECTION;
     SPixMap sSrcPixMap;
@@ -673,8 +673,8 @@
     m_pInterfaceVp->Set (iMethodIdx, (void*)&BGDParam);
     m_pInterfaceVp->Process (iMethodIdx, &sSrcPixMap, &sRefPixMap);
   } else {
-    int32_t	iPicWidthInMb	= (pCurPicture->iWidthInPixel + 15) >> 4;
-    int32_t	iPicHeightInMb = (pCurPicture->iHeightInPixel + 15) >> 4;
+    int32_t iPicWidthInMb  = (pCurPicture->iWidthInPixel  + 15) >> 4;
+    int32_t iPicHeightInMb = (pCurPicture->iHeightInPixel + 15) >> 4;
     memset (pVaaInfo->pVaaBackgroundMbFlag, 0, iPicWidthInMb * iPicHeightInMb);
   }
 }
@@ -713,11 +713,11 @@
 }
 
 void CWelsPreProcess::SetRefMbType (sWelsEncCtx* pCtx, uint32_t** pRefMbTypeArray, int32_t iRefPicType) {
-  const uint8_t uiTid	    = pCtx->uiTemporalId;
+  const uint8_t uiTid       = pCtx->uiTemporalId;
   const uint8_t uiDid       = pCtx->uiDependencyId;
   SRefList* pRefPicLlist    = pCtx->ppRefPicListExt[uiDid];
-  SLTRState* pLtr	    = &pCtx->pLtr[uiDid];
-  uint8_t i							= 0;
+  SLTRState* pLtr           = &pCtx->pLtr[uiDid];
+  uint8_t i = 0;
 
   if (pCtx->pSvcParam->bEnableLongTermReference && pLtr->bReceivedT0LostFlag && uiTid == 0) {
     for (i = 0; i < pRefPicLlist->uiLongRefCount; i++) {
@@ -745,8 +745,8 @@
   int32_t iComplexityAnalysisMode = 0;
 
   if (pSvcParam->iUsageType == SCREEN_CONTENT_REAL_TIME) {
-    SVAAFrameInfoExt* pVaaExt		= static_cast<SVAAFrameInfoExt*> (pCtx->pVaa);
-    SComplexityAnalysisScreenParam* sComplexityAnalysisParam	= &pVaaExt->sComplexityScreenParam;
+    SVAAFrameInfoExt* pVaaExt = static_cast<SVAAFrameInfoExt*> (pCtx->pVaa);
+    SComplexityAnalysisScreenParam* sComplexityAnalysisParam = &pVaaExt->sComplexityScreenParam;
     SWelsSvcRc* pWelsSvcRc = &pCtx->pWelsSvcRc[kiDependencyId];
 
     if (pCtx->eSliceType == P_SLICE)
@@ -797,7 +797,7 @@
       m_pInterfaceVp->Get (iMethodIdx, (void*)sComplexityAnalysisParam);
 
   } else {
-    SVAAFrameInfo* pVaaInfo	 = pCtx->pVaa;
+    SVAAFrameInfo* pVaaInfo = pCtx->pVaa;
     SComplexityAnalysisParam* sComplexityAnalysisParam = & (pVaaInfo->sComplexityAnalysisParam);
     SWelsSvcRc* SWelsSvcRc = &pCtx->pWelsSvcRc[kiDependencyId];
 
@@ -990,7 +990,7 @@
 ESceneChangeIdc CWelsPreProcess::DetectSceneChangeScreen (sWelsEncCtx* pCtx, SPicture* pCurPicture) {
 #define STATIC_SCENE_MOTION_RATIO 0.01f
   SWelsSvcCodingParam* pSvcParam = pCtx->pSvcParam;
-  SVAAFrameInfoExt* pVaaExt			= static_cast<SVAAFrameInfoExt*> (pCtx->pVaa);
+  SVAAFrameInfoExt* pVaaExt = static_cast<SVAAFrameInfoExt*> (pCtx->pVaa);
   if (NULL == pCtx || NULL == pVaaExt || NULL == pCurPicture) {
     return LARGE_CHANGED_SCENE;
   }
@@ -1140,7 +1140,7 @@
 
 int32_t CWelsPreProcess::GetRefFrameInfo (int32_t iRefIdx, bool bCurrentFrameIsSceneLtr, SPicture*& pRefOri) {
   const int32_t iTargetDid = m_pEncCtx->pSvcParam->iSpatialLayerNum - 1;
-  SVAAFrameInfoExt* pVaaExt			= static_cast<SVAAFrameInfoExt*> (m_pEncCtx->pVaa);
+  SVAAFrameInfoExt* pVaaExt = static_cast<SVAAFrameInfoExt*> (m_pEncCtx->pVaa);
   SRefInfoParam* pBestRefCandidateParam = (bCurrentFrameIsSceneLtr) ? (& (pVaaExt->sVaaLtrBestRefCandidate[iRefIdx])) :
                                           (& (pVaaExt->sVaaStrBestRefCandidate[iRefIdx]));
   pRefOri = m_pSpatialPic[iTargetDid][pBestRefCandidateParam->iSrcListIdx];
@@ -1201,7 +1201,7 @@
 * \return   none
 */
 void CWelsPreProcess::WelsExchangeSpatialPictures (SPicture** ppPic1, SPicture** ppPic2) {
-  SPicture* tmp	= *ppPic1;
+  SPicture* tmp = *ppPic1;
 
   assert (*ppPic1 != *ppPic2);
 
@@ -1292,12 +1292,12 @@
   int32_t  iSrcWidth       = kpSrc->iPicWidth;
   int32_t  iSrcHeight      = kpSrc->iPicHeight;
 
-  if (iSrcHeight > kiTargetHeight) 	iSrcHeight = kiTargetHeight;
-  if (iSrcWidth > kiTargetWidth)		iSrcWidth  = kiTargetWidth;
+  if (iSrcHeight > kiTargetHeight) iSrcHeight = kiTargetHeight;
+  if (iSrcWidth > kiTargetWidth)   iSrcWidth  = kiTargetWidth;
 
   // copy from fr26 to fix the odd uiSize failed issue
-  if (iSrcWidth & 0x1)		-- iSrcWidth;
-  if (iSrcHeight & 0x1)		-- iSrcHeight;
+  if (iSrcWidth & 0x1)  -- iSrcWidth;
+  if (iSrcHeight & 0x1) -- iSrcHeight;
 
   const int32_t kiSrcTopOffsetY = pSvcParam->SUsedPicRect.iTop;
   const int32_t kiSrcTopOffsetUV = (kiSrcTopOffsetY >> 1);
--- a/codec/encoder/plus/inc/welsEncoderExt.h
+++ b/codec/encoder/plus/inc/welsEncoderExt.h
@@ -101,24 +101,24 @@
   void TraceParamInfo(SEncParamExt *pParam);
   void UpdateStatistics(const int64_t kiCurrentFrameTs, EVideoFrameType eFrameType,  const int32_t kiCurrentFrameSize, const int64_t kiCurrentFrameMs);
 
-  sWelsEncCtx*	m_pEncContext;
+  sWelsEncCtx*      m_pEncContext;
 
-  welsCodecTrace*			m_pWelsTrace;
-  int32_t						m_iMaxPicWidth;
-  int32_t						m_iMaxPicHeight;
+  welsCodecTrace*   m_pWelsTrace;
+  int32_t           m_iMaxPicWidth;
+  int32_t           m_iMaxPicHeight;
 
-  int32_t						m_iCspInternal;
-  bool					m_bInitialFlag;
+  int32_t           m_iCspInternal;
+  bool              m_bInitialFlag;
 
 #ifdef OUTPUT_BIT_STREAM
-  FILE*				m_pFileBs;
-  FILE*               m_pFileBsSize;
-  bool				m_bSwitch;
-  int32_t					m_iSwitchTimes;
+  FILE*             m_pFileBs;
+  FILE*             m_pFileBsSize;
+  bool              m_bSwitch;
+  int32_t           m_iSwitchTimes;
 #endif//OUTPUT_BIT_STREAM
 
 #ifdef REC_FRAME_COUNT
-  int32_t		m_uiCountFrameNum;
+  int32_t           m_uiCountFrameNum;
 #endif//REC_FRAME_COUNT
 
   void    InitEncoder (void);
--- a/codec/encoder/plus/src/welsEncoderExt.cpp
+++ b/codec/encoder/plus/src/welsEncoderExt.cpp
@@ -38,7 +38,7 @@
 #include "utils.h"
 #include "macros.h"
 #include "version.h"
-#include "crt_util_safe_x.h"	// Safe CRT routines like util for cross platforms
+#include "crt_util_safe_x.h" // Safe CRT routines like util for cross platforms
 #include "ref_list_mgr_svc.h"
 #include "codec_ver.h"
 
@@ -124,8 +124,8 @@
   m_pFileBs     = WelsFopen (strStreamFileName, "wb");
   m_pFileBsSize = WelsFopen (strLenFileName, "wb");
 
-  m_bSwitch	= false;
-  m_iSwitchTimes	= 0;
+  m_bSwitch      = false;
+  m_iSwitchTimes = 0;
 #endif//OUTPUT_BIT_STREAM
 
   InitEncoder();
@@ -149,8 +149,8 @@
     WelsFclose (m_pFileBsSize);
     m_pFileBsSize = NULL;
   }
-  m_bSwitch	= false;
-  m_iSwitchTimes	= 0;
+  m_bSwitch = false;
+  m_iSwitchTimes = 0;
 #endif//OUTPUT_BIT_STREAM
 
   Uninitialize();
@@ -163,7 +163,7 @@
 
 void CWelsH264SVCEncoder::InitEncoder (void) {
 
-  m_pWelsTrace	= new welsCodecTrace();
+  m_pWelsTrace = new welsCodecTrace();
   if (m_pWelsTrace == NULL) {
     return;
   }
@@ -257,7 +257,7 @@
     return cmInitParaError;
   }
   if (pCfg->iTemporalLayerNum < 1)
-    pCfg->iTemporalLayerNum	= 1;
+    pCfg->iTemporalLayerNum = 1;
   if (pCfg->iTemporalLayerNum > MAX_TEMPORAL_LEVEL) {
     WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR,
              "CWelsH264SVCEncoder::Initialize(), invalid iTemporalLayerNum= %d, valid at range of [1, %d].",
@@ -266,7 +266,7 @@
     return cmInitParaError;
   }
 
-  //	assert( cfg.uiGopSize >= 1 && ( cfg.uiIntraPeriod && (cfg.uiIntraPeriod % cfg.uiGopSize) == 0) );
+  // assert( cfg.uiGopSize >= 1 && ( cfg.uiIntraPeriod && (cfg.uiIntraPeriod % cfg.uiGopSize) == 0) );
 
   if (pCfg->uiGopSize < 1 || pCfg->uiGopSize > MAX_GOP_SIZE) {
     WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR,
@@ -312,9 +312,9 @@
   } else {
     pCfg->iLTRRefNum = pCfg->bEnableLongTermReference ? LONG_TERM_REF_NUM : 0;
     if (pCfg->iNumRefFrame == AUTO_REF_PIC_COUNT) {
-      pCfg->iNumRefFrame		= ((pCfg->uiGopSize >> 1) > 1) ? ((pCfg->uiGopSize >> 1) + pCfg->iLTRRefNum) :
+      pCfg->iNumRefFrame = ((pCfg->uiGopSize >> 1) > 1) ? ((pCfg->uiGopSize >> 1) + pCfg->iLTRRefNum) :
                               (MIN_REF_PIC_COUNT + pCfg->iLTRRefNum);
-      pCfg->iNumRefFrame		= WELS_CLIP3 (pCfg->iNumRefFrame, MIN_REF_PIC_COUNT, MAX_REFERENCE_PICTURE_COUNT_NUM_CAMERA);
+      pCfg->iNumRefFrame = WELS_CLIP3 (pCfg->iNumRefFrame, MIN_REF_PIC_COUNT, MAX_REFERENCE_PICTURE_COUNT_NUM_CAMERA);
     }
   }
 
@@ -323,13 +323,13 @@
   }
 
   const int32_t kiDecStages = WELS_LOG2 (pCfg->uiGopSize);
-  pCfg->iTemporalLayerNum	= (int8_t) (1 + kiDecStages);
-  pCfg->iLoopFilterAlphaC0Offset	= WELS_CLIP3 (pCfg->iLoopFilterAlphaC0Offset, -6, 6);
-  pCfg->iLoopFilterBetaOffset		= WELS_CLIP3 (pCfg->iLoopFilterBetaOffset, -6, 6);
+  pCfg->iTemporalLayerNum        = (int8_t) (1 + kiDecStages);
+  pCfg->iLoopFilterAlphaC0Offset = WELS_CLIP3 (pCfg->iLoopFilterAlphaC0Offset, -6, 6);
+  pCfg->iLoopFilterBetaOffset    = WELS_CLIP3 (pCfg->iLoopFilterBetaOffset, -6, 6);
 
   // decide property list size between INIT_TYPE_PARAMETER_BASED/INIT_TYPE_CONFIG_BASED
-  m_iMaxPicWidth	= pCfg->iPicWidth;
-  m_iMaxPicHeight	= pCfg->iPicHeight;
+  m_iMaxPicWidth  = pCfg->iPicWidth;
+  m_iMaxPicHeight = pCfg->iPicHeight;
 
   TraceParamInfo (pCfg);
   if (WelsInitEncoderExt (&m_pEncContext, pCfg, &m_pWelsTrace->m_sLogCtx, NULL)) {
@@ -360,7 +360,7 @@
 
   if (NULL != m_pEncContext) {
     WelsUninitEncoderExt (&m_pEncContext);
-    m_pEncContext	= NULL;
+    m_pEncContext = NULL;
   }
 
   m_bInitialFlag = false;
@@ -654,12 +654,12 @@
   }
 
   switch (eOptionId) {
-  case ENCODER_OPTION_INTER_SPATIAL_PRED: {	// Inter spatial layer prediction flag
+  case ENCODER_OPTION_INTER_SPATIAL_PRED: { // Inter spatial layer prediction flag
     WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
              "ENCODER_OPTION_INTER_SPATIAL_PRED, this feature not supported at present.");
   }
   break;
-  case ENCODER_OPTION_DATAFORMAT: {	// Input color space
+  case ENCODER_OPTION_DATAFORMAT: { // Input color space
     int32_t iValue = * ((int32_t*)pOption);
     int32_t iColorspace = iValue;
     if (iColorspace == 0) {
@@ -671,8 +671,8 @@
              "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_DATAFORMAT, m_iCspInternal= 0x%x", m_iCspInternal);
   }
   break;
-  case ENCODER_OPTION_IDR_INTERVAL: {	// IDR Interval
-    int32_t iValue	= * ((int32_t*)pOption);
+  case ENCODER_OPTION_IDR_INTERVAL: { // IDR Interval
+    int32_t iValue = * ((int32_t*)pOption);
     WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
              "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_IDR_INTERVAL iValue= %d", iValue);
     if (iValue < -1 || iValue == 0)
@@ -680,26 +680,26 @@
     if (iValue == (int32_t)m_pEncContext->pSvcParam->uiIntraPeriod) {
       return cmResultSuccess;
     }
-    m_pEncContext->pSvcParam->uiIntraPeriod	= (uint32_t)iValue;
+    m_pEncContext->pSvcParam->uiIntraPeriod = (uint32_t)iValue;
   }
   break;
-  case ENCODER_OPTION_SVC_ENCODE_PARAM_BASE: {	// SVC Encoding Parameter
-    SEncParamBase		sEncodingParam;
-    SWelsSvcCodingParam	sConfig;
+  case ENCODER_OPTION_SVC_ENCODE_PARAM_BASE: { // SVC Encoding Parameter
+    SEncParamBase sEncodingParam;
+    SWelsSvcCodingParam sConfig;
     int32_t iTargetWidth = 0;
     int32_t iTargetHeight = 0;
 
-    memcpy (&sEncodingParam, pOption, sizeof (SEncParamBase));	// confirmed_safe_unsafe_usage
+    memcpy (&sEncodingParam, pOption, sizeof (SEncParamBase)); // confirmed_safe_unsafe_usage
     if (sConfig.ParamBaseTranscode (sEncodingParam)) {
       return cmInitParaError;
     }
     /* New configuration available here */
-    iTargetWidth	= sConfig.iPicWidth;
-    iTargetHeight	= sConfig.iPicHeight;
+    iTargetWidth        = sConfig.iPicWidth;
+    iTargetHeight       = sConfig.iPicHeight;
     if (m_iMaxPicWidth != iTargetWidth
         || m_iMaxPicHeight != iTargetHeight) {
-      m_iMaxPicWidth	= iTargetWidth;
-      m_iMaxPicHeight	= iTargetHeight;
+      m_iMaxPicWidth    = iTargetWidth;
+      m_iMaxPicHeight   = iTargetHeight;
     }
     WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
              "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_SVC_ENCODE_PARAM_BASE iUsageType = %d,iPicWidth= %d;iPicHeight= %d;iTargetBitrate= %d;fMaxFrameRate=  %.6ff;iRCMode= %d",
@@ -715,13 +715,13 @@
   }
   break;
 
-  case ENCODER_OPTION_SVC_ENCODE_PARAM_EXT: {	// SVC Encoding Parameter
-    SEncParamExt		sEncodingParam;
-    SWelsSvcCodingParam	sConfig;
+  case ENCODER_OPTION_SVC_ENCODE_PARAM_EXT: { // SVC Encoding Parameter
+    SEncParamExt sEncodingParam;
+    SWelsSvcCodingParam sConfig;
     int32_t iTargetWidth = 0;
     int32_t iTargetHeight = 0;
 
-    memcpy (&sEncodingParam, pOption, sizeof (SEncParamExt));	// confirmed_safe_unsafe_usage
+    memcpy (&sEncodingParam, pOption, sizeof (SEncParamExt)); // confirmed_safe_unsafe_usage
     TraceParamInfo (&sEncodingParam);
 #ifdef OUTPUT_BIT_STREAM
     if (sEncodingParam.sSpatialLayers[sEncodingParam.iSpatialLayerNum - 1].iVideoWidth !=
@@ -731,7 +731,7 @@
     }
 #endif//OUTPUT_BIT_STREAM
     if (sEncodingParam.iSpatialLayerNum < 1
-        || sEncodingParam.iSpatialLayerNum > MAX_SPATIAL_LAYER_NUM) {	// verify number of spatial layer
+        || sEncodingParam.iSpatialLayerNum > MAX_SPATIAL_LAYER_NUM) { // verify number of spatial layer
       WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
                "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_SVC_ENCODE_PARAM_EXT, iSpatialLayerNum(%d) failed!",
                sEncodingParam.iSpatialLayerNum);
@@ -756,12 +756,12 @@
     }
 
     /* New configuration available here */
-    iTargetWidth	= sConfig.iPicWidth;
-    iTargetHeight	= sConfig.iPicHeight;
+    iTargetWidth        = sConfig.iPicWidth;
+    iTargetHeight       = sConfig.iPicHeight;
     if (m_iMaxPicWidth != iTargetWidth
         || m_iMaxPicHeight != iTargetHeight) {
-      m_iMaxPicWidth	= iTargetWidth;
-      m_iMaxPicHeight	= iTargetHeight;
+      m_iMaxPicWidth    = iTargetWidth;
+      m_iMaxPicHeight   = iTargetHeight;
     }
     /* Check every field whether there is new request for memory block changed or else, Oct. 24, 2008 */
     if (WelsEncoderParamAdjust (&m_pEncContext, &sConfig)) {
@@ -769,8 +769,8 @@
     }
   }
   break;
-  case ENCODER_OPTION_FRAME_RATE: {	// Maximal input frame rate
-    float iValue	= * ((float*)pOption);
+  case ENCODER_OPTION_FRAME_RATE: { // Maximal input frame rate
+    float iValue = * ((float*)pOption);
     if (iValue <= 0) {
       return cmInitParaError;
     }
@@ -782,7 +782,7 @@
              m_pEncContext->pSvcParam->fMaxFrameRate);
   }
   break;
-  case ENCODER_OPTION_BITRATE: {	// Target bit-rate
+  case ENCODER_OPTION_BITRATE: { // Target bit-rate
     SBitrateInfo* pInfo = (static_cast<SBitrateInfo*> (pOption));
     int32_t iBitrate = pInfo->iBitrate;
     if (iBitrate <= 0) {
@@ -791,7 +791,7 @@
                iBitrate);
       return cmInitParaError;
     }
-    iBitrate	= WELS_CLIP3 (iBitrate, MIN_BIT_RATE, MAX_BIT_RATE);
+    iBitrate = WELS_CLIP3 (iBitrate, MIN_BIT_RATE, MAX_BIT_RATE);
     switch (pInfo->iLayer) {
     case SPATIAL_LAYER_ALL:
       m_pEncContext->pSvcParam->iTargetBitrate = iBitrate;
@@ -828,7 +828,7 @@
 
   }
   break;
-  case ENCODER_OPTION_MAX_BITRATE: {	// Target bit-rate
+  case ENCODER_OPTION_MAX_BITRATE: { // Target bit-rate
     SBitrateInfo* pInfo = (static_cast<SBitrateInfo*> (pOption));
     int32_t iBitrate = pInfo->iBitrate;
     if (iBitrate <= 0) {
@@ -837,7 +837,7 @@
                iBitrate);
       return cmInitParaError;
     }
-    iBitrate	= WELS_CLIP3 (iBitrate, MIN_BIT_RATE, MAX_BIT_RATE);
+    iBitrate = WELS_CLIP3 (iBitrate, MIN_BIT_RATE, MAX_BIT_RATE);
     switch (pInfo->iLayer) {
     case SPATIAL_LAYER_ALL:
       m_pEncContext->pSvcParam->iMaxBitrate = iBitrate;
@@ -873,17 +873,17 @@
     }
   }
   break;
-  case ENCODER_OPTION_RC_MODE: {	// 0:quality mode;1:bit-rate mode;2:bitrate limited mode
+  case ENCODER_OPTION_RC_MODE: { // 0:quality mode;1:bit-rate mode;2:bitrate limited mode
     int32_t iValue = * ((int32_t*)pOption);
-    m_pEncContext->pSvcParam->iRCMode	= (RC_MODES) iValue;
+    m_pEncContext->pSvcParam->iRCMode = (RC_MODES) iValue;
     WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
              "CWelsH264SVCEncoder::SetOption():ENCODER_OPTION_RC_MODE iRCMode= %d ",
              iValue);
   }
   break;
-  case ENCODER_PADDING_PADDING: {	// 0:disable padding;1:padding
+  case ENCODER_PADDING_PADDING: { // 0:disable padding;1:padding
     int32_t iValue = * ((int32_t*)pOption);
-    m_pEncContext->pSvcParam->iPaddingFlag	= iValue;
+    m_pEncContext->pSvcParam->iPaddingFlag = iValue;
     WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
              "CWelsH264SVCEncoder::SetOption():ENCODER_PADDING_PADDING iPaddingFlag= %d ",
              iValue);
@@ -1106,18 +1106,18 @@
   }
 
   switch (eOptionId) {
-  case ENCODER_OPTION_INTER_SPATIAL_PRED: {	// Inter spatial layer prediction flag
+  case ENCODER_OPTION_INTER_SPATIAL_PRED: { // Inter spatial layer prediction flag
     WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
              "ENCODER_OPTION_INTER_SPATIAL_PRED, this feature not supported at present.");
   }
   break;
-  case ENCODER_OPTION_DATAFORMAT: {	// Input color space
+  case ENCODER_OPTION_DATAFORMAT: { // Input color space
     WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
              "CWelsH264SVCEncoder::GetOption():ENCODER_OPTION_DATAFORMAT, m_iCspInternal= 0x%x", m_iCspInternal);
-    * ((int32_t*)pOption)	= m_iCspInternal;
+    * ((int32_t*)pOption) = m_iCspInternal;
   }
   break;
-  case ENCODER_OPTION_IDR_INTERVAL: {	// IDR Interval
+  case ENCODER_OPTION_IDR_INTERVAL: { // IDR Interval
     WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
              "CWelsH264SVCEncoder::GetOption():ENCODER_OPTION_IDR_INTERVAL, uiIntraPeriod= %d",
              m_pEncContext->pSvcParam->uiIntraPeriod);
@@ -1124,13 +1124,13 @@
     * ((int32_t*)pOption) = m_pEncContext->pSvcParam->uiIntraPeriod;
   }
   break;
-  case ENCODER_OPTION_SVC_ENCODE_PARAM_EXT: {	// SVC Encoding Parameter
+  case ENCODER_OPTION_SVC_ENCODE_PARAM_EXT: { // SVC Encoding Parameter
     WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
              "CWelsH264SVCEncoder::GetOption():ENCODER_OPTION_SVC_ENCODE_PARAM_EXT");
-    memcpy (pOption, m_pEncContext->pSvcParam, sizeof (SEncParamExt));	// confirmed_safe_unsafe_usage
+    memcpy (pOption, m_pEncContext->pSvcParam, sizeof (SEncParamExt)); // confirmed_safe_unsafe_usage
   }
   break;
-  case ENCODER_OPTION_SVC_ENCODE_PARAM_BASE: {	// SVC Encoding Parameter
+  case ENCODER_OPTION_SVC_ENCODE_PARAM_BASE: { // SVC Encoding Parameter
     WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
              "CWelsH264SVCEncoder::GetOption():ENCODER_OPTION_SVC_ENCODE_PARAM_BASE");
     m_pEncContext->pSvcParam->GetBaseParams ((SEncParamBase*) pOption);
@@ -1137,14 +1137,14 @@
   }
   break;
 
-  case ENCODER_OPTION_FRAME_RATE: {	// Maximal input frame rate
+  case ENCODER_OPTION_FRAME_RATE: { // Maximal input frame rate
     WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
              "CWelsH264SVCEncoder::GetOption():ENCODER_OPTION_FRAME_RATE, fMaxFrameRate = %.6ff",
              m_pEncContext->pSvcParam->fMaxFrameRate);
-    * ((float*)pOption)	= m_pEncContext->pSvcParam->fMaxFrameRate;
+    * ((float*)pOption) = m_pEncContext->pSvcParam->fMaxFrameRate;
   }
   break;
-  case ENCODER_OPTION_BITRATE: {	// Target bit-rate
+  case ENCODER_OPTION_BITRATE: { // Target bit-rate
 
     SBitrateInfo* pInfo = (static_cast<SBitrateInfo*> (pOption));
     if ((pInfo->iLayer != SPATIAL_LAYER_ALL) && (pInfo->iLayer != SPATIAL_LAYER_0) && (pInfo->iLayer != SPATIAL_LAYER_1)
@@ -1160,7 +1160,7 @@
              pInfo->iLayer, pInfo->iBitrate);
   }
   break;
-  case ENCODER_OPTION_MAX_BITRATE: {	// Target bit-rate
+  case ENCODER_OPTION_MAX_BITRATE: { // Target bit-rate
     SBitrateInfo* pInfo = (static_cast<SBitrateInfo*> (pOption));
     if ((pInfo->iLayer != SPATIAL_LAYER_ALL) && (pInfo->iLayer != SPATIAL_LAYER_0) && (pInfo->iLayer != SPATIAL_LAYER_1)
         && (pInfo->iLayer != SPATIAL_LAYER_2) && (pInfo->iLayer != SPATIAL_LAYER_3))
@@ -1196,7 +1196,7 @@
   }
   break;
   case ENCODER_OPTION_STATISTICS_LOG_INTERVAL: {
-    * ((int32_t*)pOption)	= m_pEncContext->iStatisticsLogInterval;
+    * ((int32_t*)pOption) = m_pEncContext->iStatisticsLogInterval;
   }
   break;
   case ENCODER_OPTION_COMPLEXITY: {
@@ -1216,22 +1216,22 @@
   char strFileName[256] = {0};
   const int32_t iDataLength = m_iMaxPicWidth * m_iMaxPicHeight;
 
-  WelsStrncpy (strFileName, 256, "pic_in_");	// confirmed_safe_unsafe_usage
+  WelsStrncpy (strFileName, 256, "pic_in_"); // confirmed_safe_unsafe_usage
 
   if (m_iMaxPicWidth == 640) {
-    WelsStrcat (strFileName, 256, "360p.");	// confirmed_safe_unsafe_usage
+    WelsStrcat (strFileName, 256, "360p."); // confirmed_safe_unsafe_usage
   } else if (m_iMaxPicWidth == 320) {
-    WelsStrcat (strFileName, 256, "180p.");	// confirmed_safe_unsafe_usage
+    WelsStrcat (strFileName, 256, "180p."); // confirmed_safe_unsafe_usage
   } else if (m_iMaxPicWidth == 160) {
-    WelsStrcat (strFileName, 256, "90p.");	// confirmed_safe_unsafe_usage
+    WelsStrcat (strFileName, 256, "90p."); // confirmed_safe_unsafe_usage
   }
 
   switch (m_iCspInternal) {
   case videoFormatI420:
   case videoFormatYV12:
-    WelsStrcat (strFileName, 256, "yuv");	// confirmed_safe_unsafe_usage
+    WelsStrcat (strFileName, 256, "yuv"); // confirmed_safe_unsafe_usage
     pFile = WelsFopen (strFileName, "ab+");
-    //				WelsLog( &m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "WELS_CSP_I420, m_iCspInternal= 0x%x", m_iCspInternal);
+    // WelsLog( &m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "WELS_CSP_I420, m_iCspInternal= 0x%x", m_iCspInternal);
     if (NULL != pFile) {
       fwrite (pSrc, sizeof (uint8_t), (iDataLength * 3) >> 1, pFile);
       fflush (pFile);
@@ -1239,7 +1239,7 @@
     }
     break;
   case videoFormatRGB:
-    WelsStrcat (strFileName, 256, "rgb");	// confirmed_safe_unsafe_usage
+    WelsStrcat (strFileName, 256, "rgb"); // confirmed_safe_unsafe_usage
     pFile = WelsFopen (strFileName, "ab+");
     if (NULL != pFile) {
       fwrite (pSrc, sizeof (uint8_t), iDataLength * 3, pFile);
@@ -1247,9 +1247,9 @@
       fclose (pFile);
     }
   case videoFormatBGR:
-    WelsStrcat (strFileName, 256, "bgr");	// confirmed_safe_unsafe_usage
+    WelsStrcat (strFileName, 256, "bgr"); // confirmed_safe_unsafe_usage
     pFile = WelsFopen (strFileName, "ab+");
-    //				WelsLog( &m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "WELS_CSP_BGR, m_iCspInternal= 0x%x", m_iCspInternal);
+    // WelsLog( &m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "WELS_CSP_BGR, m_iCspInternal= 0x%x", m_iCspInternal);
     if (NULL != pFile) {
       fwrite (pSrc, sizeof (uint8_t), iDataLength * 3, pFile);
       fflush (pFile);
@@ -1257,7 +1257,7 @@
     }
     break;
   case videoFormatYUY2:
-    WelsStrcat (strFileName, 256, "yuy2");	// confirmed_safe_unsafe_usage
+    WelsStrcat (strFileName, 256, "yuy2"); // confirmed_safe_unsafe_usage
     pFile = WelsFopen (strFileName, "ab+");
     if (NULL != pFile) {
       fwrite (pSrc, sizeof (uint8_t), (CALC_BI_STRIDE (m_iMaxPicWidth,  16)) * m_iMaxPicHeight, pFile);
--- a/codec/processing/interface/IWelsVP.h
+++ b/codec/processing/interface/IWelsVP.h
@@ -169,15 +169,15 @@
 } SSceneChangeResult;
 
 typedef struct {
-  unsigned char* pCurY;					// Y data of current frame
-  unsigned char* pRefY;					// Y data of pRef frame for diff calc
-  int (*pSad8x8)[4];				// sad of 8x8, every 4 in the same 16x16 get together
-  int* pSsd16x16;					// sum of square difference of 16x16
-  int* pSum16x16;					// sum of 16x16
-  int* pSumOfSquare16x16;					// sum of square of 16x16
-  int	(*pSumOfDiff8x8)[4];
+  unsigned char* pCurY;             // Y data of current frame
+  unsigned char* pRefY;             // Y data of pRef frame for diff calc
+  int (*pSad8x8)[4];                // sad of 8x8, every 4 in the same 16x16 get together
+  int* pSsd16x16;                   // sum of square difference of 16x16
+  int* pSum16x16;                   // sum of 16x16
+  int* pSumOfSquare16x16;           // sum of square of 16x16
+  int   (*pSumOfDiff8x8)[4];
   unsigned char (*pMad8x8)[4];
-  int iFrameSad;					// sad of frame
+  int iFrameSad;                    // sad of frame
 } SVAACalcResult;
 
 typedef struct {
@@ -185,11 +185,11 @@
   int iCalcBgd;
   int iCalcSsd;
   int iReserved;
-  SVAACalcResult*	pCalcResult;
+  SVAACalcResult*  pCalcResult;
 } SVAACalcParam;
 
 typedef struct {
-  signed char*		pBackgroundMbFlag;
+  signed char*     pBackgroundMbFlag;
   SVAACalcResult*  pCalcRes;
 } SBGDInterface;
 
@@ -204,12 +204,12 @@
 } SMotionTextureUnit;
 
 typedef struct {
-  int					iAdaptiveQuantMode; // 0:quality mode, 1:bitrates mode
-  SVAACalcResult*		pCalcResult;
+  int                  iAdaptiveQuantMode; // 0:quality mode, 1:bitrates mode
+  SVAACalcResult*      pCalcResult;
   SMotionTextureUnit*  pMotionTextureUnit;
 
-  signed char*			pMotionTextureIndexToDeltaQp;
-  int				iAverMotionTextureIndexToDeltaQp; // *AQ_STEP_INT_MULTIPLY
+  signed char*      pMotionTextureIndexToDeltaQp;
+  int               iAverMotionTextureIndexToDeltaQp; // *AQ_STEP_INT_MULTIPLY
 } SAdaptiveQuantizationParam;
 
 typedef enum {
--- a/codec/processing/src/adaptivequantization/AdaptiveQuantization.cpp
+++ b/codec/processing/src/adaptivequantization/AdaptiveQuantization.cpp
@@ -66,8 +66,8 @@
   SMotionTextureUnit* pMotionTexture = NULL;
   SVAACalcResult*     pVaaCalcResults = NULL;
   int32_t   iMotionTextureIndexToDeltaQp = 0;
-  int32_t	 iAverMotionTextureIndexToDeltaQp = 0;	// double to uint32
-  int64_t iAverageMotionIndex = 0;	// double to float
+  int32_t iAverMotionTextureIndexToDeltaQp = 0;  // double to uint32
+  int64_t iAverageMotionIndex = 0;      // double to float
   int64_t iAverageTextureIndex = 0;
 
   int64_t iQStep = 0;
--- a/codec/processing/src/adaptivequantization/AdaptiveQuantization.h
+++ b/codec/processing/src/adaptivequantization/AdaptiveQuantization.h
@@ -87,8 +87,8 @@
   void WelsInitVarFunc (PVarFunc& pfVar, int32_t iCpuFlag);
 
  private:
-  PVarFunc			                   m_pfVar;
-  int32_t                                  m_CPUFlag;
+  PVarFunc                      m_pfVar;
+  int32_t                       m_CPUFlag;
   SAdaptiveQuantizationParam    m_sAdaptiveQuantParam;
 };
 
--- a/codec/processing/src/backgrounddetection/BackgroundDetection.cpp
+++ b/codec/processing/src/backgrounddetection/BackgroundDetection.cpp
@@ -107,16 +107,16 @@
 }
 
 inline SBackgroundOU* CBackgroundDetection::AllocateOUArrayMemory (int32_t iWidth, int32_t iHeight) {
-  int32_t	iMaxOUWidth	= (BGD_OU_SIZE - 1 + iWidth) >> LOG2_BGD_OU_SIZE;
-  int32_t	iMaxOUHeight	= (BGD_OU_SIZE - 1 + iHeight) >> LOG2_BGD_OU_SIZE;
+  int32_t       iMaxOUWidth     = (BGD_OU_SIZE - 1 + iWidth) >> LOG2_BGD_OU_SIZE;
+  int32_t       iMaxOUHeight    = (BGD_OU_SIZE - 1 + iHeight) >> LOG2_BGD_OU_SIZE;
   return (SBackgroundOU*)WelsMalloc (iMaxOUWidth * iMaxOUHeight * sizeof (SBackgroundOU));
 }
 
 void CBackgroundDetection::GetOUParameters (SVAACalcResult* sVaaCalcInfo, int32_t iMbIndex, int32_t iMbWidth,
     SBackgroundOU* pBgdOU) {
-  int32_t	iSubSD[4];
-  uint8_t	iSubMAD[4];
-  int32_t	iSubSAD[4];
+  int32_t       iSubSD[4];
+  uint8_t       iSubMAD[4];
+  int32_t       iSubSAD[4];
 
   uint8_t (*pMad8x8)[4];
   int32_t (*pSad8x8)[4];
@@ -141,9 +141,9 @@
   iSubMAD[2] = pMad8x8[iMbIndex][2];
   iSubMAD[3] = pMad8x8[iMbIndex][3];
 
-  pBgdOU->iSD	= iSubSD[0] + iSubSD[1] + iSubSD[2] + iSubSD[3];
-  pBgdOU->iSAD	= iSubSAD[0] + iSubSAD[1] + iSubSAD[2] + iSubSAD[3];
-  pBgdOU->iSD	= WELS_ABS (pBgdOU->iSD);
+  pBgdOU->iSD   = iSubSD[0] + iSubSD[1] + iSubSD[2] + iSubSD[3];
+  pBgdOU->iSAD  = iSubSAD[0] + iSubSAD[1] + iSubSAD[2] + iSubSAD[3];
+  pBgdOU->iSD   = WELS_ABS (pBgdOU->iSD);
 
   // get the max absolute difference (MAD) of OU and min value of the MAD of sub-blocks of OU
   pBgdOU->iMAD = WELS_MAX (WELS_MAX (iSubMAD[0], iSubMAD[1]), WELS_MAX (iSubMAD[2], iSubMAD[3]));
@@ -155,9 +155,9 @@
 }
 
 void CBackgroundDetection::ForegroundBackgroundDivision (vBGDParam* pBgdParam) {
-  int32_t iPicWidthInOU	= pBgdParam->iBgdWidth  >> LOG2_BGD_OU_SIZE;
-  int32_t iPicHeightInOU	= pBgdParam->iBgdHeight >> LOG2_BGD_OU_SIZE;
-  int32_t iPicWidthInMb	= (15 + pBgdParam->iBgdWidth) >> 4;
+  int32_t iPicWidthInOU         = pBgdParam->iBgdWidth  >> LOG2_BGD_OU_SIZE;
+  int32_t iPicHeightInOU        = pBgdParam->iBgdHeight >> LOG2_BGD_OU_SIZE;
+  int32_t iPicWidthInMb         = (15 + pBgdParam->iBgdWidth) >> 4;
 
   SBackgroundOU* pBackgroundOU = pBgdParam->pOU_array;
 
@@ -187,8 +187,8 @@
   }
 }
 inline int32_t CBackgroundDetection::CalculateAsdChromaEdge (uint8_t* pOriRef, uint8_t* pOriCur, int32_t iStride) {
-  int32_t	ASD = 0;
-  int32_t	idx;
+  int32_t ASD = 0;
+  int32_t idx;
   for (idx = 0; idx < BGD_OU_SIZE_UV; idx++) {
     ASD += *pOriCur - *pOriRef;
     pOriRef += iStride;
@@ -199,16 +199,16 @@
 
 inline bool CBackgroundDetection::ForegroundDilation23Luma (SBackgroundOU* pBackgroundOU,
     SBackgroundOU* pOUNeighbours[]) {
-  SBackgroundOU* pOU_L	= pOUNeighbours[0];
-  SBackgroundOU* pOU_R	= pOUNeighbours[1];
-  SBackgroundOU* pOU_U	= pOUNeighbours[2];
-  SBackgroundOU* pOU_D	= pOUNeighbours[3];
+  SBackgroundOU* pOU_L = pOUNeighbours[0];
+  SBackgroundOU* pOU_R = pOUNeighbours[1];
+  SBackgroundOU* pOU_U = pOUNeighbours[2];
+  SBackgroundOU* pOU_D = pOUNeighbours[3];
 
   if (pBackgroundOU->iMAD > pBackgroundOU->iMinSubMad << 1) {
     int32_t iMaxNbrForegroundMad;
     int32_t iMaxNbrBackgroundMad;
-    int32_t	aBackgroundMad[4];
-    int32_t	aForegroundMad[4];
+    int32_t aBackgroundMad[4];
+    int32_t aForegroundMad[4];
 
     aForegroundMad[0] = (pOU_L->iBackgroundFlag - 1) & pOU_L->iMAD;
     aForegroundMad[1] = (pOU_R->iBackgroundFlag - 1) & pOU_R->iMAD;
@@ -232,9 +232,9 @@
 
 inline bool CBackgroundDetection::ForegroundDilation23Chroma (int8_t iNeighbourForegroundFlags,
     int32_t iStartSamplePos, int32_t iPicStrideUV, vBGDParam* pBgdParam) {
-  static const int8_t kaOUPos[4]	= {OU_LEFT, OU_RIGHT, OU_TOP, OU_BOTTOM};
-  int32_t	aEdgeOffset[4]	= {0, BGD_OU_SIZE_UV - 1, 0, iPicStrideUV* (BGD_OU_SIZE_UV - 1)};
-  int32_t	iStride[4]		= {iPicStrideUV, iPicStrideUV, 1, 1};
+  static const int8_t kaOUPos[4]        = {OU_LEFT, OU_RIGHT, OU_TOP, OU_BOTTOM};
+  int32_t       aEdgeOffset[4]          = {0, BGD_OU_SIZE_UV - 1, 0, iPicStrideUV* (BGD_OU_SIZE_UV - 1)};
+  int32_t       iStride[4]              = {iPicStrideUV, iPicStrideUV, 1, 1};
 
   // V component first, high probability because V stands for red color and human skin colors have more weight on this component
   for (int32_t i = 0; i < 4; i++) {
@@ -262,8 +262,8 @@
 
 inline void CBackgroundDetection::ForegroundDilation (SBackgroundOU* pBackgroundOU, SBackgroundOU* pOUNeighbours[],
     vBGDParam* pBgdParam, int32_t iChromaSampleStartPos) {
-  int32_t iPicStrideUV	= pBgdParam->iStride[1];
-  int32_t iSumNeighBackgroundFlags	= pOUNeighbours[0]->iBackgroundFlag + pOUNeighbours[1]->iBackgroundFlag +
+  int32_t iPicStrideUV = pBgdParam->iStride[1];
+  int32_t iSumNeighBackgroundFlags = pOUNeighbours[0]->iBackgroundFlag + pOUNeighbours[1]->iBackgroundFlag +
                                       pOUNeighbours[2]->iBackgroundFlag + pOUNeighbours[3]->iBackgroundFlag;
 
   if (pBackgroundOU->iSAD > BGD_OU_SIZE * Q_FACTOR) {
@@ -278,7 +278,7 @@
 
       // chroma component check
       if (pBackgroundOU->iBackgroundFlag == 1) {
-        int8_t	iNeighbourForegroundFlags = !pOUNeighbours[0]->iBackgroundFlag | ((!pOUNeighbours[1]->iBackgroundFlag) << 1)
+        int8_t iNeighbourForegroundFlags = !pOUNeighbours[0]->iBackgroundFlag | ((!pOUNeighbours[1]->iBackgroundFlag) << 1)
                                             | ((!pOUNeighbours[2]->iBackgroundFlag) << 2) | ((!pOUNeighbours[3]->iBackgroundFlag) << 3);
         pBackgroundOU->iBackgroundFlag = !ForegroundDilation23Chroma (iNeighbourForegroundFlags, iChromaSampleStartPos,
                                          iPicStrideUV, pBgdParam);
@@ -291,9 +291,9 @@
 }
 inline void CBackgroundDetection::BackgroundErosion (SBackgroundOU* pBackgroundOU, SBackgroundOU* pOUNeighbours[]) {
   if (pBackgroundOU->iMaxDiffSubSd <= (BGD_OU_SIZE * Q_FACTOR)) { //BGD_OU_SIZE*BGD_OU_SIZE>>2
-    int32_t	iSumNeighBackgroundFlags = pOUNeighbours[0]->iBackgroundFlag + pOUNeighbours[1]->iBackgroundFlag +
+    int32_t iSumNeighBackgroundFlags = pOUNeighbours[0]->iBackgroundFlag + pOUNeighbours[1]->iBackgroundFlag +
                                        pOUNeighbours[2]->iBackgroundFlag + pOUNeighbours[3]->iBackgroundFlag;
-    int32_t	sumNbrBGsad = (pOUNeighbours[0]->iSAD & (-pOUNeighbours[0]->iBackgroundFlag)) + (pOUNeighbours[2]->iSAD &
+    int32_t sumNbrBGsad = (pOUNeighbours[0]->iSAD & (-pOUNeighbours[0]->iBackgroundFlag)) + (pOUNeighbours[2]->iSAD &
                           (-pOUNeighbours[2]->iBackgroundFlag))
                           + (pOUNeighbours[1]->iSAD & (-pOUNeighbours[1]->iBackgroundFlag)) + (pOUNeighbours[3]->iSAD &
                               (-pOUNeighbours[3]->iBackgroundFlag));
@@ -318,10 +318,10 @@
 inline void CBackgroundDetection::UpperOUForegroundCheck (SBackgroundOU* pCurOU, int8_t* pBackgroundMbFlag,
     int32_t iPicWidthInOU, int32_t iPicWidthInMb) {
   if (pCurOU->iSAD > BGD_OU_SIZE * Q_FACTOR) {
-    SBackgroundOU*	pOU_L = pCurOU - 1;
-    SBackgroundOU*	pOU_R = pCurOU + 1;
-    SBackgroundOU*	pOU_U = pCurOU - iPicWidthInOU;
-    SBackgroundOU*	pOU_D = pCurOU + iPicWidthInOU;
+    SBackgroundOU* pOU_L = pCurOU - 1;
+    SBackgroundOU* pOU_R = pCurOU + 1;
+    SBackgroundOU* pOU_U = pCurOU - iPicWidthInOU;
+    SBackgroundOU* pOU_D = pCurOU + iPicWidthInOU;
     if (pOU_L->iBackgroundFlag + pOU_R->iBackgroundFlag + pOU_U->iBackgroundFlag + pOU_D->iBackgroundFlag <= 1) {
       SetBackgroundMbFlag (pBackgroundMbFlag, iPicWidthInMb, 0);
       pCurOU->iBackgroundFlag = 0;
@@ -330,21 +330,21 @@
 }
 
 void CBackgroundDetection::ForegroundDilationAndBackgroundErosion (vBGDParam* pBgdParam) {
-  int32_t iPicStrideUV		= pBgdParam->iStride[1];
-  int32_t iPicWidthInOU	= pBgdParam->iBgdWidth  >> LOG2_BGD_OU_SIZE;
-  int32_t iPicHeightInOU	= pBgdParam->iBgdHeight >> LOG2_BGD_OU_SIZE;
-  int32_t iOUStrideUV		= iPicStrideUV << (LOG2_BGD_OU_SIZE - 1);
-  int32_t iPicWidthInMb	= (15 + pBgdParam->iBgdWidth) >> 4;
+  int32_t iPicStrideUV          = pBgdParam->iStride[1];
+  int32_t iPicWidthInOU         = pBgdParam->iBgdWidth  >> LOG2_BGD_OU_SIZE;
+  int32_t iPicHeightInOU        = pBgdParam->iBgdHeight >> LOG2_BGD_OU_SIZE;
+  int32_t iOUStrideUV           = iPicStrideUV << (LOG2_BGD_OU_SIZE - 1);
+  int32_t iPicWidthInMb         = (15 + pBgdParam->iBgdWidth) >> 4;
 
   SBackgroundOU* pBackgroundOU = pBgdParam->pOU_array;
-  int8_t*	pVaaBackgroundMbFlag   = (int8_t*)pBgdParam->pBackgroundMbFlag;
-  SBackgroundOU*	pOUNeighbours[4];//0: left; 1: right; 2: top; 3: bottom
+  int8_t*        pVaaBackgroundMbFlag = (int8_t*)pBgdParam->pBackgroundMbFlag;
+  SBackgroundOU* pOUNeighbours[4];//0: left; 1: right; 2: top; 3: bottom
 
-  pOUNeighbours[2]	= pBackgroundOU;//top OU
+  pOUNeighbours[2]      = pBackgroundOU;//top OU
   for (int32_t j = 0; j < iPicHeightInOU; j ++) {
     int8_t* pRowSkipFlag = pVaaBackgroundMbFlag;
-    pOUNeighbours[0]	= pBackgroundOU;//left OU
-    pOUNeighbours[3]	= pBackgroundOU + (iPicWidthInOU & ((j == iPicHeightInOU - 1) - 1)); //bottom OU
+    pOUNeighbours[0]    = pBackgroundOU;//left OU
+    pOUNeighbours[3]    = pBackgroundOU + (iPicWidthInOU & ((j == iPicHeightInOU - 1) - 1)); //bottom OU
     for (int32_t i = 0; i < iPicWidthInOU; i++) {
       pOUNeighbours[1] = pBackgroundOU + (i < iPicWidthInOU - 1); //right OU
 
@@ -367,7 +367,7 @@
       pOUNeighbours[3]++;
       pBackgroundOU++;
     }
-    pOUNeighbours[2]	= pBackgroundOU - iPicWidthInOU;
+    pOUNeighbours[2]      = pBackgroundOU - iPicWidthInOU;
     pVaaBackgroundMbFlag += OU_SIZE_IN_MB * iPicWidthInMb;
   }
 }
--- a/codec/processing/src/backgrounddetection/BackgroundDetection.h
+++ b/codec/processing/src/backgrounddetection/BackgroundDetection.h
@@ -49,12 +49,12 @@
 WELSVP_NAMESPACE_BEGIN
 
 typedef struct {
-  int32_t	iBackgroundFlag;
-  int32_t	iSAD;
-  int32_t	iSD;
-  int32_t	iMAD;
-  int32_t	iMinSubMad;
-  int32_t	iMaxDiffSubSd;
+  int32_t       iBackgroundFlag;
+  int32_t       iSAD;
+  int32_t       iSD;
+  int32_t       iMAD;
+  int32_t       iMinSubMad;
+  int32_t       iMaxDiffSubSd;
 } SBackgroundOU;
 
 class CBackgroundDetection : public IStrategy {
@@ -69,11 +69,11 @@
   struct vBGDParam {
     uint8_t*   pCur[3];
     uint8_t*   pRef[3];
-    int32_t	   iBgdWidth;
-    int32_t	   iBgdHeight;
+    int32_t    iBgdWidth;
+    int32_t    iBgdHeight;
     int32_t    iStride[3];
-    SBackgroundOU*  	pOU_array;
-    int8_t*  	pBackgroundMbFlag;
+    SBackgroundOU*   pOU_array;
+    int8_t*    pBackgroundMbFlag;
     SVAACalcResult*  pCalcRes;
   } m_BgdParam;
 
--- a/codec/processing/src/common/memory.cpp
+++ b/codec/processing/src/common/memory.cpp
@@ -36,11 +36,11 @@
 /////////////////////////////////////////////////////////////////////////////////
 
 void* WelsMalloc (const uint32_t kuiSize, char* pTag) {
-  const int32_t kiSizeVoidPointer	= sizeof (void**);
-  const int32_t kiSizeInt32		= sizeof (int32_t);
-  const int32_t kiAlignedBytes	= ALIGNBYTES - 1;
+  const int32_t kiSizeVoidPointer       = sizeof (void**);
+  const int32_t kiSizeInt32             = sizeof (int32_t);
+  const int32_t kiAlignedBytes          = ALIGNBYTES - 1;
 
-  uint8_t* pBuf		= (uint8_t*) ::malloc (kuiSize + kiAlignedBytes + kiSizeVoidPointer + kiSizeInt32);
+  uint8_t* pBuf         = (uint8_t*) ::malloc (kuiSize + kiAlignedBytes + kiSizeVoidPointer + kiSizeInt32);
   uint8_t* pAlignedBuf = NULL;
 
   if (NULL == pBuf)
@@ -95,7 +95,7 @@
   const uint32_t kuiOldSize = *pRealSize;
   uint32_t kuiNewSize = 0;
   void* pLocalPointer = NULL;
-  if (kuiOldSize >= kuiSize)	// large enough of original block, so do nothing
+  if (kuiOldSize >= kuiSize) // large enough of original block, so do nothing
     return (pPointer);
 
   // new request
@@ -105,13 +105,13 @@
 
   pLocalPointer = InternalReallocate (pPointer, kuiNewSize, pTag);
   if (NULL != pLocalPointer) {
-    *pRealSize	= kuiNewSize;
+    *pRealSize = kuiNewSize;
     return (pLocalPointer);
   } else {
     return NULL;
   }
 
-  return NULL;	// something wrong
+  return NULL; // something wrong
 }
 
 WELSVP_NAMESPACE_END
--- a/codec/processing/src/common/util.h
+++ b/codec/processing/src/common/util.h
@@ -70,15 +70,15 @@
 #define MB_TYPE_INTRA                     (MB_TYPE_INTRA4x4 | MB_TYPE_INTRA16x16 | MB_TYPE_INTRA_PCM)
 #define IS_INTRA(type) ((type)&MB_TYPE_INTRA)
 
-#define WELS_MAX(x, y)	((x) > (y) ? (x) : (y))
-#define WELS_MIN(x, y)	((x) < (y) ? (x) : (y))
+#define WELS_MAX(x, y) ((x) > (y) ? (x) : (y))
+#define WELS_MIN(x, y) ((x) < (y) ? (x) : (y))
 
 #ifndef WELS_SIGN
-#define WELS_SIGN(a)	((int32_t)(a) >> 31)
+#define WELS_SIGN(a) ((int32_t)(a) >> 31)
 #endif
 
 #ifndef WELS_ABS
-#define WELS_ABS(a)		((WELS_SIGN(a) ^ (int32_t)(a)) - WELS_SIGN(a))
+#define WELS_ABS(a) ((WELS_SIGN(a) ^ (int32_t)(a)) - WELS_SIGN(a))
 #endif
 
 #define WELS_CLAMP(x, minv, maxv)  WELS_MIN(WELS_MAX(x, minv), maxv)
--- a/codec/processing/src/complexityanalysis/ComplexityAnalysis.cpp
+++ b/codec/processing/src/complexityanalysis/ComplexityAnalysis.cpp
@@ -350,8 +350,8 @@
 void CComplexityAnalysisScreen::GomComplexityAnalysisIntra (SPixMap* pSrc) {
   int32_t iWidth                  = pSrc->sRect.iRectWidth;
   int32_t iHeight                 = pSrc->sRect.iRectHeight;
-  int32_t iBlockWidth            = iWidth  >> 4;
-  int32_t iBlockHeight	       = iHeight >> 4;
+  int32_t iBlockWidth             = iWidth  >> 4;
+  int32_t iBlockHeight            = iHeight >> 4;
 
   int32_t iBlockSadH, iBlockSadV, iGomSad = 0;
   int32_t iIdx = 0;
@@ -375,7 +375,7 @@
     pTmpCur = pPtrY;
 
     for (int32_t i = 0; i < iBlockWidth; i++) {
-      iBlockSadH = iBlockSadV = 0x7fffffff;	// INT_MAX
+      iBlockSadH = iBlockSadV = 0x7fffffff; // INT_MAX
       if (j > 0) {
         m_pIntraFunc[0] (iMemPredMb, pTmpCur, iStrideY);
         iBlockSadH = m_pSadFunc (pTmpCur, iStrideY, iMemPredMb, 16);
@@ -406,8 +406,8 @@
 void CComplexityAnalysisScreen::GomComplexityAnalysisInter (SPixMap* pSrc, SPixMap* pRef, bool bScrollFlag) {
   int32_t iWidth                  = pSrc->sRect.iRectWidth;
   int32_t iHeight                 = pSrc->sRect.iRectHeight;
-  int32_t iBlockWidth            = iWidth  >> 4;
-  int32_t iBlockHeight	       = iHeight >> 4;
+  int32_t iBlockWidth             = iWidth  >> 4;
+  int32_t iBlockHeight            = iHeight >> 4;
 
   int32_t iInterSad, iScrollSad, iBlockSadH, iBlockSadV, iGomSad = 0;
   int32_t iIdx = 0;
@@ -457,7 +457,7 @@
 
       }
 
-      iBlockSadH = iBlockSadV = 0x7fffffff;	// INT_MAX
+      iBlockSadH = iBlockSadV = 0x7fffffff; // INT_MAX
 
       if (j > 0) {
         m_pIntraFunc[0] (iMemPredMb, pTmpCur, iStrideY);
--- a/codec/processing/src/denoise/denoise.cpp
+++ b/codec/processing/src/denoise/denoise.cpp
@@ -46,7 +46,7 @@
 
   m_uiSpaceRadius = DENOISE_GRAY_RADIUS;
   m_fSigmaGrey  = DENOISE_GRAY_SIGMA;
-  m_uiType		 = DENOISE_ALL_COMPONENT;
+  m_uiType      = DENOISE_ALL_COMPONENT;
   InitDenoiseFunc (m_pfDenoise, m_CPUFlag);
 }
 
--- a/codec/processing/src/denoise/denoise.h
+++ b/codec/processing/src/denoise/denoise.h
@@ -79,8 +79,8 @@
 #endif
 
 typedef  struct TagDenoiseFuncs {
-  DenoiseFilterFuncPtr	pfBilateralLumaFilter8;//on 8 samples
-  DenoiseFilterFuncPtr	pfWaverageChromaFilter8;//on 8 samples
+  DenoiseFilterFuncPtr pfBilateralLumaFilter8;//on 8 samples
+  DenoiseFilterFuncPtr pfWaverageChromaFilter8;//on 8 samples
 } SDenoiseFuncs;
 
 class CDenoiser : public IStrategy {
@@ -96,9 +96,9 @@
   void WaverageDenoiseChroma (uint8_t* pSrcUV, int32_t width, int32_t height, int32_t stride);
 
  private:
-  float		 m_fSigmaGrey;			//sigma for grey scale similarity, suggestion 2.5-3
-  uint16_t	 m_uiSpaceRadius;			//filter windows radius: 1-3x3, 2-5x5,3-7x7. Larger size, slower speed
-  uint16_t	 m_uiType;					//do denoising on which component 1-Y, 2-U, 4-V; 7-YUV, 3-YU, 5-YV, 6-UV
+  float          m_fSigmaGrey;                  //sigma for grey scale similarity, suggestion 2.5-3
+  uint16_t       m_uiSpaceRadius;               //filter windows radius: 1-3x3, 2-5x5,3-7x7. Larger size, slower speed
+  uint16_t       m_uiType;                      //do denoising on which component 1-Y, 2-U, 4-V; 7-YUV, 3-YU, 5-YV, 6-UV
 
   SDenoiseFuncs m_pfDenoise;
   int32_t      m_CPUFlag;
--- a/codec/processing/src/denoise/denoise_filter.cpp
+++ b/codec/processing/src/denoise/denoise_filter.cpp
@@ -55,7 +55,7 @@
     pCurLine = pSample - iStride - DENOISE_GRAY_RADIUS;
     for (y = 0; y < 3; y++) {
       for (x = 0; x < 3; x++) {
-        if (x == 1 && y == 1) continue;			// except center point
+        if (x == 1 && y == 1) continue; // except center point
         iCurSample = pCurLine[x];
         iCurWeight = WELS_ABS (iCurSample - iCenterSample);
         iGreyDiff = 32 - iCurWeight;
@@ -83,9 +83,9 @@
 1   2   4   2   1
 1   1   2   1   1
 ***************************************************************************/
-#define SUM_LINE1(pSample)	(pSample[0] +(pSample[1]) +(pSample[2]<<1)  + pSample[3] + pSample[4])
-#define SUM_LINE2(pSample)	(pSample[0] +(pSample[1]<<1) +(pSample[2]<<2)  +(pSample[3]<<1) +pSample[4])
-#define SUM_LINE3(pSample)	((pSample[0]<<1) +(pSample[1]<<2) +(pSample[2]*20)  +(pSample[3]<<2) +(pSample[4]<<1))
+#define SUM_LINE1(pSample)       (pSample[0]     +(pSample[1])    +(pSample[2]<<1)  + pSample[3]     + pSample[4])
+#define SUM_LINE2(pSample)       (pSample[0]     +(pSample[1]<<1) +(pSample[2]<<2)  +(pSample[3]<<1) + pSample[4])
+#define SUM_LINE3(pSample)      ((pSample[0]<<1) +(pSample[1]<<2) +(pSample[2]*20)  +(pSample[3]<<2) +(pSample[4]<<1))
 void WaverageChromaFilter8_c (uint8_t* pSample, int32_t iStride) {
   int32_t sum;
   uint8_t* pStartPixels = pSample - UV_WINDOWS_RADIUS * iStride - UV_WINDOWS_RADIUS;
--- a/codec/processing/src/downsample/downsample.cpp
+++ b/codec/processing/src/downsample/downsample.cpp
@@ -139,14 +139,14 @@
 
 int32_t CDownsampling::GetAlignedIndex (const int32_t kiSrcWidth) {
   int32_t iAlignIndex;
-  if ((kiSrcWidth & 0x1f) == 0)	// x32
-    iAlignIndex	= 0;
-  else if ((kiSrcWidth & 0x0f) == 0)	// x16
-    iAlignIndex	= 1;
-  else if ((kiSrcWidth & 0x07) == 0)	// x8
-    iAlignIndex	= 2;
+  if ((kiSrcWidth & 0x1f) == 0)         // x32
+    iAlignIndex = 0;
+  else if ((kiSrcWidth & 0x0f) == 0)    // x16
+    iAlignIndex = 1;
+  else if ((kiSrcWidth & 0x07) == 0)    // x8
+    iAlignIndex = 2;
   else
-    iAlignIndex	= 3;
+    iAlignIndex = 3;
   return iAlignIndex;
 }
 
--- a/codec/processing/src/downsample/downsample.h
+++ b/codec/processing/src/downsample/downsample.h
@@ -58,8 +58,8 @@
                                       const int32_t kiDstHeight,
                                       uint8_t* pSrc, const int32_t kiSrcStride, const int32_t kiSrcWidth, const int32_t kiSrcHeight);
 
-typedef HalveDownsampleFunc*		PHalveDownsampleFunc;
-typedef GeneralDownsampleFunc*	PGeneralDownsampleFunc;
+typedef HalveDownsampleFunc*    PHalveDownsampleFunc;
+typedef GeneralDownsampleFunc*  PGeneralDownsampleFunc;
 
 HalveDownsampleFunc   DyadicBilinearDownsampler_c;
 GeneralDownsampleFunc GeneralBilinearFastDownsampler_c;
@@ -67,9 +67,9 @@
 
 typedef struct {
   // align_index: 0 = x32; 1 = x16; 2 = x8; 3 = common case left;
-  PHalveDownsampleFunc			pfHalfAverage[4];
-  PGeneralDownsampleFunc		pfGeneralRatioLuma;
-  PGeneralDownsampleFunc		pfGeneralRatioChroma;
+  PHalveDownsampleFunc          pfHalfAverage[4];
+  PGeneralDownsampleFunc        pfGeneralRatioLuma;
+  PGeneralDownsampleFunc        pfGeneralRatioChroma;
 } SDownsampleFuncs;
 
 
@@ -76,19 +76,19 @@
 #ifdef X86_ASM
 WELSVP_EXTERN_C_BEGIN
 // used for scr width is multipler of 8 pixels
-HalveDownsampleFunc		DyadicBilinearDownsamplerWidthx8_sse;
+HalveDownsampleFunc     DyadicBilinearDownsamplerWidthx8_sse;
 // iSrcWidth= x16 pixels
-HalveDownsampleFunc		DyadicBilinearDownsamplerWidthx16_sse;
+HalveDownsampleFunc     DyadicBilinearDownsamplerWidthx16_sse;
 // iSrcWidth= x32 pixels
-HalveDownsampleFunc		DyadicBilinearDownsamplerWidthx32_sse;
+HalveDownsampleFunc     DyadicBilinearDownsamplerWidthx32_sse;
 // used for scr width is multipler of 16 pixels
-HalveDownsampleFunc		DyadicBilinearDownsamplerWidthx16_ssse3;
+HalveDownsampleFunc     DyadicBilinearDownsamplerWidthx16_ssse3;
 // iSrcWidth= x32 pixels
-HalveDownsampleFunc		DyadicBilinearDownsamplerWidthx32_ssse3;
+HalveDownsampleFunc     DyadicBilinearDownsamplerWidthx32_ssse3;
 // iSrcWidth= x16 pixels
-HalveDownsampleFunc		DyadicBilinearDownsamplerWidthx16_sse4;
+HalveDownsampleFunc     DyadicBilinearDownsamplerWidthx16_sse4;
 // iSrcWidth= x32 pixels
-HalveDownsampleFunc		DyadicBilinearDownsamplerWidthx32_sse4;
+HalveDownsampleFunc     DyadicBilinearDownsamplerWidthx32_sse4;
 
 GeneralDownsampleFunc GeneralBilinearFastDownsamplerWrap_sse2;
 GeneralDownsampleFunc GeneralBilinearAccurateDownsamplerWrap_sse2;
@@ -103,9 +103,9 @@
 #ifdef HAVE_NEON
 WELSVP_EXTERN_C_BEGIN
 // iSrcWidth no limitation
-HalveDownsampleFunc		DyadicBilinearDownsampler_neon;
+HalveDownsampleFunc     DyadicBilinearDownsampler_neon;
 // iSrcWidth = x32 pixels
-HalveDownsampleFunc		DyadicBilinearDownsamplerWidthx32_neon;
+HalveDownsampleFunc     DyadicBilinearDownsamplerWidthx32_neon;
 
 GeneralDownsampleFunc   GeneralBilinearAccurateDownsamplerWrap_neon;
 
@@ -119,9 +119,9 @@
 #ifdef HAVE_NEON_AARCH64
 WELSVP_EXTERN_C_BEGIN
 // iSrcWidth no limitation
-HalveDownsampleFunc		DyadicBilinearDownsampler_AArch64_neon;
+HalveDownsampleFunc     DyadicBilinearDownsampler_AArch64_neon;
 // iSrcWidth = x32 pixels
-HalveDownsampleFunc		DyadicBilinearDownsamplerWidthx32_AArch64_neon;
+HalveDownsampleFunc     DyadicBilinearDownsamplerWidthx32_AArch64_neon;
 
 GeneralDownsampleFunc   GeneralBilinearAccurateDownsamplerWrap_AArch64_neon;
 
--- a/codec/processing/src/downsample/downsamplefuncs.cpp
+++ b/codec/processing/src/downsample/downsamplefuncs.cpp
@@ -49,11 +49,11 @@
                                   const int32_t kiSrcWidth, const int32_t kiSrcHeight)
 
 {
-  uint8_t* pDstLine	= pDst;
-  uint8_t* pSrcLine	= pSrc;
-  const int32_t kiSrcStridex2	= kiSrcStride << 1;
-  const int32_t kiDstWidth		= kiSrcWidth >> 1;
-  const int32_t kiDstHeight	= kiSrcHeight >> 1;
+  uint8_t* pDstLine     = pDst;
+  uint8_t* pSrcLine     = pSrc;
+  const int32_t kiSrcStridex2   = kiSrcStride << 1;
+  const int32_t kiDstWidth      = kiSrcWidth  >> 1;
+  const int32_t kiDstHeight     = kiSrcHeight >> 1;
 
   for (int32_t j = 0; j < kiDstHeight; j ++) {
     for (int32_t i = 0; i < kiDstWidth; i ++) {
@@ -63,8 +63,8 @@
 
       pDstLine[i] = (uint8_t) ((kiTempRow1 + kiTempRow2 + 1) >> 1);
     }
-    pDstLine	+= kiDstStride;
-    pSrcLine	+= kiSrcStridex2;
+    pDstLine    += kiDstStride;
+    pSrcLine    += kiSrcStridex2;
   }
 }
 
@@ -110,7 +110,7 @@
       x += 1;
       x >>= 1;
       //x = (((__int64)(SCALE_BIG - 1 - iFu))*(SCALE_BIG - 1 - fv)*a + ((__int64)iFu)*(SCALE_BIG - 1 -fv)*b + ((__int64)(SCALE_BIG - 1 -iFu))*fv*c +
-      //		 ((__int64)iFu)*fv*d + (1 << (2*SCALE_BIT_BIG-1)) ) >> (2*SCALE_BIT_BIG);
+      // ((__int64)iFu)*fv*d + (1 << (2*SCALE_BIT_BIG-1)) ) >> (2*SCALE_BIT_BIG);
       x = WELS_CLAMP (x, 0, 255);
       *pByDst++ = (uint8_t)x;
 
--- a/codec/processing/src/imagerotate/imagerotate.h
+++ b/codec/processing/src/imagerotate/imagerotate.h
@@ -58,9 +58,9 @@
 ImageRotateFunc   ImageRotate270D_c;
 
 typedef struct {
-  ImageRotateFuncPtr		pfImageRotate90D;
-  ImageRotateFuncPtr		pfImageRotate180D;
-  ImageRotateFuncPtr		pfImageRotate270D;
+  ImageRotateFuncPtr    pfImageRotate90D;
+  ImageRotateFuncPtr    pfImageRotate180D;
+  ImageRotateFuncPtr    pfImageRotate270D;
 } SImageRotateFuncs;
 
 class CImageRotating : public IStrategy {
--- a/codec/processing/src/scenechangedetection/SceneChangeDetection.h
+++ b/codec/processing/src/scenechangedetection/SceneChangeDetection.h
@@ -104,7 +104,7 @@
     iCurRowStride  = sLocalParam.iCurStride << 3;
 
     for (int32_t j = 0; j < sLocalParam.iBlock8x8Height; j++) {
-      pRefTmp	= pRefY;
+      pRefTmp = pRefY;
       pCurTmp = pCurY;
       for (int32_t i = 0; i < sLocalParam.iBlock8x8Width; i++) {
         int32_t iSad = m_pfSad (pCurTmp, sLocalParam.iCurStride, pRefTmp, sLocalParam.iRefStride);
@@ -154,7 +154,7 @@
     iCurRowStride  = sLocalParam.iCurStride << 3;
 
     for (int32_t j = 0; j < sLocalParam.iBlock8x8Height; j++) {
-      pRefTmp	= pRefY;
+      pRefTmp = pRefY;
       pCurTmp = pCurY;
       for (int32_t i = 0; i < sLocalParam.iBlock8x8Width; i++) {
         int32_t iBlockPointX = i << 3;
@@ -216,7 +216,7 @@
     int32_t iBlock8x8Num = m_sLocalParam.iBlock8x8Width * m_sLocalParam.iBlock8x8Height;
     int32_t iSceneChangeThresholdLarge = WelsStaticCast (int32_t,
                                          m_cDetector.GetSceneChangeMotionRatioLarge() * iBlock8x8Num + 0.5f + PESN);
-    int32_t iSceneChangeThresholdMedium	= WelsStaticCast (int32_t,
+    int32_t iSceneChangeThresholdMedium = WelsStaticCast (int32_t,
                                           m_cDetector.GetSceneChangeMotionRatioMedium() * iBlock8x8Num + 0.5f + PESN);
 
     m_sSceneChangeParam.iMotionBlockNum = 0;
--- a/codec/processing/src/scrolldetection/ScrollDetectionFuncs.cpp
+++ b/codec/processing/src/scrolldetection/ScrollDetectionFuncs.cpp
@@ -69,9 +69,9 @@
 
 int32_t SelectTestLine (uint8_t* pY, int32_t iWidth, int32_t iHeight, int32_t iPicHeight,
                         int32_t iStride, int32_t iOffsetX, int32_t iOffsetY) {
-  const int32_t kiHalfHeight	= iHeight >> 1;
-  const int32_t kiMidPos		= iOffsetY + kiHalfHeight;
-  int32_t TestPos			= kiMidPos;
+  const int32_t kiHalfHeight    = iHeight >> 1;
+  const int32_t kiMidPos        = iOffsetY + kiHalfHeight;
+  int32_t TestPos               = kiMidPos;
   int32_t iOffsetAbs;
   uint8_t* pTmp;
 
--- a/codec/processing/src/vaacalc/vaacalculation.cpp
+++ b/codec/processing/src/vaacalc/vaacalculation.cpp
@@ -87,11 +87,11 @@
 }
 
 EResult CVAACalculation::Process (int32_t iType, SPixMap* pSrcPixMap, SPixMap* pRefPixMap) {
-  uint8_t* pCurData	= (uint8_t*)pSrcPixMap->pPixel[0];
-  uint8_t* pRefData	= (uint8_t*)pRefPixMap->pPixel[0];
-  int32_t iPicWidth	= pSrcPixMap->sRect.iRectWidth;
-  int32_t iPicHeight	= pSrcPixMap->sRect.iRectHeight;
-  int32_t iPicStride	= pSrcPixMap->iStride[0];
+  uint8_t* pCurData     = (uint8_t*)pSrcPixMap->pPixel[0];
+  uint8_t* pRefData     = (uint8_t*)pRefPixMap->pPixel[0];
+  int32_t iPicWidth     = pSrcPixMap->sRect.iRectWidth;
+  int32_t iPicHeight    = pSrcPixMap->sRect.iRectHeight;
+  int32_t iPicStride    = pSrcPixMap->iStride[0];
 
   SVAACalcResult* pResult = m_sCalcParam.pCalcResult;
 
--- a/codec/processing/src/vaacalc/vaacalculation.h
+++ b/codec/processing/src/vaacalc/vaacalculation.h
@@ -75,55 +75,55 @@
                                   int32_t* pFrameSad, int32_t* pSad8x8, int32_t* pSum16x16, int32_t* pSumSquare16x16, int32_t* pSsd16x16);
 
 
-typedef VAACalcSadBgdFunc*		 PVAACalcSadBgdFunc;
-typedef VAACalcSadSsdBgdFunc*	 PVAACalcSadSsdBgdFunc;
-typedef VAACalcSadFunc*			 PVAACalcSadFunc;
-typedef VAACalcSadVarFunc*		 PVAACalcSadVarFunc;
-typedef VAACalcSadSsdFunc*		 PVAACalcSadSsdFunc;
+typedef VAACalcSadBgdFunc*       PVAACalcSadBgdFunc;
+typedef VAACalcSadSsdBgdFunc*    PVAACalcSadSsdBgdFunc;
+typedef VAACalcSadFunc*          PVAACalcSadFunc;
+typedef VAACalcSadVarFunc*       PVAACalcSadVarFunc;
+typedef VAACalcSadSsdFunc*       PVAACalcSadSsdFunc;
 
 typedef  struct TagVaaFuncs {
-  PVAACalcSadBgdFunc		pfVAACalcSadBgd;
-  PVAACalcSadSsdBgdFunc	pfVAACalcSadSsdBgd;
-  PVAACalcSadFunc			pfVAACalcSad;
-  PVAACalcSadVarFunc		pfVAACalcSadVar;
-  PVAACalcSadSsdFunc		pfVAACalcSadSsd;
+  PVAACalcSadBgdFunc    pfVAACalcSadBgd;
+  PVAACalcSadSsdBgdFunc pfVAACalcSadSsdBgd;
+  PVAACalcSadFunc       pfVAACalcSad;
+  PVAACalcSadVarFunc    pfVAACalcSadVar;
+  PVAACalcSadSsdFunc    pfVAACalcSadSsd;
 } SVaaFuncs;
 
 
-VAACalcSadBgdFunc		VAACalcSadBgd_c;
-VAACalcSadSsdBgdFunc	VAACalcSadSsdBgd_c;
-VAACalcSadFunc			    VAACalcSad_c;
-VAACalcSadVarFunc		VAACalcSadVar_c;
-VAACalcSadSsdFunc		VAACalcSadSsd_c;
+VAACalcSadBgdFunc       VAACalcSadBgd_c;
+VAACalcSadSsdBgdFunc    VAACalcSadSsdBgd_c;
+VAACalcSadFunc          VAACalcSad_c;
+VAACalcSadVarFunc       VAACalcSadVar_c;
+VAACalcSadSsdFunc       VAACalcSadSsd_c;
 
 
 #ifdef X86_ASM
 WELSVP_EXTERN_C_BEGIN
-VAACalcSadBgdFunc		VAACalcSadBgd_sse2;
-VAACalcSadSsdBgdFunc	VAACalcSadSsdBgd_sse2;
-VAACalcSadFunc			    VAACalcSad_sse2;
-VAACalcSadVarFunc		VAACalcSadVar_sse2;
-VAACalcSadSsdFunc		VAACalcSadSsd_sse2;
+VAACalcSadBgdFunc       VAACalcSadBgd_sse2;
+VAACalcSadSsdBgdFunc    VAACalcSadSsdBgd_sse2;
+VAACalcSadFunc          VAACalcSad_sse2;
+VAACalcSadVarFunc       VAACalcSadVar_sse2;
+VAACalcSadSsdFunc       VAACalcSadSsd_sse2;
 WELSVP_EXTERN_C_END
 #endif
 
 #ifdef HAVE_NEON
 WELSVP_EXTERN_C_BEGIN
-VAACalcSadBgdFunc		VAACalcSadBgd_neon;
-VAACalcSadSsdBgdFunc	VAACalcSadSsdBgd_neon;
-VAACalcSadFunc			    VAACalcSad_neon;
-VAACalcSadVarFunc		VAACalcSadVar_neon;
-VAACalcSadSsdFunc		VAACalcSadSsd_neon;
+VAACalcSadBgdFunc       VAACalcSadBgd_neon;
+VAACalcSadSsdBgdFunc    VAACalcSadSsdBgd_neon;
+VAACalcSadFunc          VAACalcSad_neon;
+VAACalcSadVarFunc       VAACalcSadVar_neon;
+VAACalcSadSsdFunc       VAACalcSadSsd_neon;
 WELSVP_EXTERN_C_END
 #endif
 
 #ifdef HAVE_NEON_AARCH64
 WELSVP_EXTERN_C_BEGIN
-VAACalcSadBgdFunc		VAACalcSadBgd_AArch64_neon;
-VAACalcSadSsdBgdFunc	VAACalcSadSsdBgd_AArch64_neon;
-VAACalcSadFunc			    VAACalcSad_AArch64_neon;
-VAACalcSadVarFunc		VAACalcSadVar_AArch64_neon;
-VAACalcSadSsdFunc		VAACalcSadSsd_AArch64_neon;
+VAACalcSadBgdFunc       VAACalcSadBgd_AArch64_neon;
+VAACalcSadSsdBgdFunc    VAACalcSadSsdBgd_AArch64_neon;
+VAACalcSadFunc          VAACalcSad_AArch64_neon;
+VAACalcSadVarFunc       VAACalcSadVar_AArch64_neon;
+VAACalcSadSsdFunc       VAACalcSadSsd_AArch64_neon;
 WELSVP_EXTERN_C_END
 #endif
 
--- a/test/api/encode_decode_api_test.cpp
+++ b/test/api/encode_decode_api_test.cpp
@@ -543,15 +543,15 @@
   unsigned int uiSliceIdx         = 0;
   unsigned int uiActualSliceCount = 0;
 
-  uiMbWidth	     = (param_.iPicWidth + 15) >> 4;
-  uiMbHeight	 = (param_.iPicHeight + 15) >> 4;
+  uiMbWidth      = (param_.iPicWidth  + 15) >> 4;
+  uiMbHeight     = (param_.iPicHeight + 15) >> 4;
   uiMbNumInFrame = uiMbWidth * uiMbHeight;
 
   uiSliceIdx = 0;
   while (uiSliceIdx < MAX_SLICES_NUM) {
     param_.sSpatialLayers[iSpatialIdx].sSliceCfg.sSliceArgument.uiSliceMbNum[uiSliceIdx] = rand() % uiMbNumInFrame;
-    uiCountMb			+= param_.sSpatialLayers[iSpatialIdx].sSliceCfg.sSliceArgument.uiSliceMbNum[uiSliceIdx];
-    uiActualSliceCount	 =  uiSliceIdx + 1;
+    uiCountMb           += param_.sSpatialLayers[iSpatialIdx].sSliceCfg.sSliceArgument.uiSliceMbNum[uiSliceIdx];
+    uiActualSliceCount   =  uiSliceIdx + 1;
 
     if (uiCountMb >= uiMbNumInFrame) {
       break;
@@ -575,7 +575,7 @@
 
   unsigned int uiMbHeight         = 0;
 
-  uiMbHeight	 = (param_.iPicHeight + 15) >> 4;
+  uiMbHeight = (param_.iPicHeight + 15) >> 4;
 
   //change slice mode to SM_SINGLE_SLICE
   if (uiMbHeight >  MAX_SLICES_NUM) {
@@ -819,7 +819,7 @@
       } else {
         iPrefix = 0;
       }
-      tmpSLostSim.eNalType = (EWelsNalUnitType) ((* (pSrcPtr + iPrefix)) & 0x1f);	// eNalUnitType
+      tmpSLostSim.eNalType = (EWelsNalUnitType) ((* (pSrcPtr + iPrefix)) & 0x1f); // eNalUnitType
       bLost = (ToRemainDidNal ((pSrcPtr + iPrefix + 2), tmpSLostSim.eNalType, iTarDid)) ? false : true;
       tmpSLostSim.isLost = bLost;
       p_SLostSim->push_back (tmpSLostSim);
@@ -852,7 +852,7 @@
   for (i = 0; i < iSrcLen;) {
     if (pSrc[i] == 0 && pSrc[i + 1] == 0 && pSrc[i + 2] == 0 && pSrc[i + 3] == 1) {
       if (i - iBufPos) {
-        tmpSLostSim.eNalType = (EWelsNalUnitType) ((* (pSrc + iBufPos + ilastprefixlen)) & 0x1f);	// eNalUnitType
+        tmpSLostSim.eNalType = (EWelsNalUnitType) ((* (pSrc + iBufPos + ilastprefixlen)) & 0x1f); // eNalUnitType
         bLost = iLossIdx < iLossCharLen ? (pLossChars[iLossIdx] == '1') : (rand() % 2 == 1);
         bLost = (!bLossPara) && (IS_PARAM_SETS_NALS (tmpSLostSim.eNalType)) ? false : bLost;
         iLossIdx++;
@@ -871,7 +871,7 @@
       i = i + 4;
     } else if (pSrc[i] == 0 && pSrc[i + 1] == 0 && pSrc[i + 2] == 1) {
       if (i - iBufPos) {
-        tmpSLostSim.eNalType = (EWelsNalUnitType) ((* (pSrc + iBufPos + ilastprefixlen)) & 0x1f);	// eNalUnitType
+        tmpSLostSim.eNalType = (EWelsNalUnitType) ((* (pSrc + iBufPos + ilastprefixlen)) & 0x1f); // eNalUnitType
         bLost = iLossIdx < iLossCharLen ? (pLossChars[iLossIdx] == '1') : (rand() % 2 == 1);
         bLost = (!bLossPara) && (IS_PARAM_SETS_NALS (tmpSLostSim.eNalType)) ? false : bLost;
         iLossIdx++;
@@ -893,7 +893,7 @@
     }
   }
   if (i - iBufPos) {
-    tmpSLostSim.eNalType = (EWelsNalUnitType) ((* (pSrc + iBufPos + ilastprefixlen)) & 0x1f);	// eNalUnitType
+    tmpSLostSim.eNalType = (EWelsNalUnitType) ((* (pSrc + iBufPos + ilastprefixlen)) & 0x1f); // eNalUnitType
     bLost = iLossIdx < iLossCharLen ? (pLossChars[iLossIdx] == '1') : (rand() % 2 == 1);
     bLost = (!bLossPara) && (IS_PARAM_SETS_NALS (tmpSLostSim.eNalType)) ? false : bLost;
     iLossIdx++;
--- a/test/build/ios/codec_unittest/codec_unittest/ViewController.m
+++ b/test/build/ios/codec_unittest/codec_unittest/ViewController.m
@@ -17,7 +17,7 @@
 - (void)viewDidLoad
 {
     [super viewDidLoad];
-	// Do any additional setup after loading the view, typically from a nib.
+    // Do any additional setup after loading the view, typically from a nib.
 }
 
 - (void)didReceiveMemoryWarning
--- a/test/common/ExpandPicture.cpp
+++ b/test/common/ExpandPicture.cpp
@@ -218,23 +218,23 @@
       if (uiCpuFlag & WELS_CPU_SSE2) {
         iPicWidth = WELS_ALIGN (iPicWidth, 32);
       }
-      iStride[0]	= WELS_ALIGN (iPicWidth, MB_WIDTH_LUMA) + (PADDING_LENGTH << 1);	// with width of horizon
-      int32_t iPicHeightExt	= WELS_ALIGN (iPicHeight, MB_HEIGHT_LUMA) + (PADDING_LENGTH << 1);	// with height of vertical
-      iStride[1]	= iStride[0] >> 1;
-      int32_t iPicChromaHeightExt	= iPicHeightExt >> 1;
-      iStride[2]    = iStride[1];
-      int32_t iLumaSize	= iStride[0] * iPicHeightExt;
-      int32_t iChromaSize	= iStride[1] * iPicChromaHeightExt;
+      iStride[0]                  = WELS_ALIGN (iPicWidth, MB_WIDTH_LUMA)   + (PADDING_LENGTH << 1);      // with width of horizon
+      int32_t iPicHeightExt       = WELS_ALIGN (iPicHeight, MB_HEIGHT_LUMA) + (PADDING_LENGTH << 1);      // with height of vertical
+      iStride[1]                  = iStride[0] >> 1;
+      int32_t iPicChromaHeightExt = iPicHeightExt >> 1;
+      iStride[2]                  = iStride[1];
+      int32_t iLumaSize           = iStride[0] * iPicHeightExt;
+      int32_t iChromaSize         = iStride[1] * iPicChromaHeightExt;
 
       pPicAnchorBuffer = static_cast<uint8_t*> (WelsMallocz (iLumaSize + (iChromaSize << 1), "pPicAnchor"));
-      pPicAnchor[0]	= pPicAnchorBuffer + (1 + iStride[0]) * PADDING_LENGTH;
-      pPicAnchor[1]	= pPicAnchorBuffer + iLumaSize + (((1 + iStride[1]) * PADDING_LENGTH) >> 1);
-      pPicAnchor[2]	= pPicAnchorBuffer + iLumaSize + iChromaSize + (((1 + iStride[2]) * PADDING_LENGTH) >> 1);
+      pPicAnchor[0]     = pPicAnchorBuffer + (1 + iStride[0]) * PADDING_LENGTH;
+      pPicAnchor[1]     = pPicAnchorBuffer + iLumaSize + (((1 + iStride[1]) * PADDING_LENGTH) >> 1);
+      pPicAnchor[2]     = pPicAnchorBuffer + iLumaSize + iChromaSize + (((1 + iStride[2]) * PADDING_LENGTH) >> 1);
 
       pPicTestBuffer = static_cast<uint8_t*> (WelsMallocz (iLumaSize + (iChromaSize << 1), "pPicTest"));
-      pPicTest[0]	= pPicTestBuffer + (1 + iStride[0]) * PADDING_LENGTH;
-      pPicTest[1]	= pPicTestBuffer + iLumaSize + (((1 + iStride[1]) * PADDING_LENGTH) >> 1);
-      pPicTest[2]	= pPicTestBuffer + iLumaSize + iChromaSize + (((1 + iStride[2]) * PADDING_LENGTH) >> 1);
+      pPicTest[0]       = pPicTestBuffer + (1 + iStride[0]) * PADDING_LENGTH;
+      pPicTest[1]       = pPicTestBuffer + iLumaSize + (((1 + iStride[1]) * PADDING_LENGTH) >> 1);
+      pPicTest[2]       = pPicTestBuffer + iLumaSize + iChromaSize + (((1 + iStride[2]) * PADDING_LENGTH) >> 1);
 
 
       // Generate Src
--- a/test/decoder/DecUT_IdctResAddPred.cpp
+++ b/test/decoder/DecUT_IdctResAddPred.cpp
@@ -7,9 +7,9 @@
 void IdctResAddPred_ref (uint8_t* pPred, const int32_t kiStride, int16_t* pRs) {
   int16_t iSrc[16];
 
-  uint8_t* pDst			= pPred;
-  const int32_t kiStride2	= kiStride << 1;
-  const int32_t kiStride3	= kiStride + kiStride2;
+  uint8_t* pDst             = pPred;
+  const int32_t kiStride2   = kiStride << 1;
+  const int32_t kiStride3   = kiStride + kiStride2;
   int32_t i;
 
   for (i = 0; i < 4; i++) {
@@ -26,16 +26,16 @@
   }
 
   for (i = 0; i < 4; i++) {
-    int32_t kT1	= iSrc[i]	+ iSrc[i + 8];
-    int32_t kT2	= iSrc[i + 4] + (iSrc[i + 12] >> 1);
-    int32_t kT3	= (32 + kT1 + kT2) >> 6;
-    int32_t kT4	= (32 + kT1 - kT2) >> 6;
+    int32_t kT1 = iSrc[i]     +  iSrc[i + 8];
+    int32_t kT2 = iSrc[i + 4] + (iSrc[i + 12] >> 1);
+    int32_t kT3 = (32 + kT1 + kT2) >> 6;
+    int32_t kT4 = (32 + kT1 - kT2) >> 6;
 
     pDst[i] = WelsClip1 (kT3 + pPred[i]);
     pDst[i + kiStride3] = WelsClip1 (kT4 + pPred[i + kiStride3]);
 
-    kT1	= iSrc[i] - iSrc[i + 8];
-    kT2	= (iSrc[i + 4] >> 1) - iSrc[i + 12];
+    kT1 =  iSrc[i]           - iSrc[i + 8];
+    kT2 = (iSrc[i + 4] >> 1) - iSrc[i + 12];
     pDst[i + kiStride] = WelsClip1 (((32 + kT1 + kT2) >> 6) + pDst[i + kiStride]);
     pDst[i + kiStride2] = WelsClip1 (((32 + kT1 - kT2) >> 6) + pDst[i + kiStride2]);
   }
--- a/test/decoder/DecUT_IntraPrediction.cpp
+++ b/test/decoder/DecUT_IntraPrediction.cpp
@@ -93,25 +93,25 @@
 
 /*down pLeft*/
 void WelsI4x4LumaPredDDL_ref (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2	= kiStride << 1;
-  const int32_t kiStride3	= kiStride + kiStride2;
+  const int32_t kiStride2 = kiStride << 1;
+  const int32_t kiStride3 = kiStride + kiStride2;
   /*get pTop*/
-  uint8_t* ptop			= &pPred[-kiStride];
-  const uint8_t kuiT0		= *ptop;
-  const uint8_t kuiT1		= * (ptop + 1);
-  const uint8_t kuiT2		= * (ptop + 2);
-  const uint8_t kuiT3		= * (ptop + 3);
-  const uint8_t kuiT4		= * (ptop + 4);
-  const uint8_t kuiT5		= * (ptop + 5);
-  const uint8_t kuiT6		= * (ptop + 6);
-  const uint8_t kuiT7		= * (ptop + 7);
-  const uint8_t kuiDDL0	= (2 + kuiT0 + kuiT2 + (kuiT1 << 1)) >> 2;	// kDDL0
-  const uint8_t kuiDDL1	= (2 + kuiT1 + kuiT3 + (kuiT2 << 1)) >> 2;	// kDDL1
-  const uint8_t kuiDDL2	= (2 + kuiT2 + kuiT4 + (kuiT3 << 1)) >> 2;	// kDDL2
-  const uint8_t kuiDDL3	= (2 + kuiT3 + kuiT5 + (kuiT4 << 1)) >> 2;	// kDDL3
-  const uint8_t kuiDDL4	= (2 + kuiT4 + kuiT6 + (kuiT5 << 1)) >> 2;	// kDDL4
-  const uint8_t kuiDDL5	= (2 + kuiT5 + kuiT7 + (kuiT6 << 1)) >> 2;	// kDDL5
-  const uint8_t kuiDDL6	= (2 + kuiT6 + kuiT7 + (kuiT7 << 1)) >> 2;	// kDDL6
+  uint8_t* ptop          = &pPred[-kiStride];
+  const uint8_t kuiT0    = *ptop;
+  const uint8_t kuiT1    = * (ptop + 1);
+  const uint8_t kuiT2    = * (ptop + 2);
+  const uint8_t kuiT3    = * (ptop + 3);
+  const uint8_t kuiT4    = * (ptop + 4);
+  const uint8_t kuiT5    = * (ptop + 5);
+  const uint8_t kuiT6    = * (ptop + 6);
+  const uint8_t kuiT7    = * (ptop + 7);
+  const uint8_t kuiDDL0 = (2 + kuiT0 + kuiT2 + (kuiT1 << 1)) >> 2;  // kDDL0
+  const uint8_t kuiDDL1 = (2 + kuiT1 + kuiT3 + (kuiT2 << 1)) >> 2;  // kDDL1
+  const uint8_t kuiDDL2 = (2 + kuiT2 + kuiT4 + (kuiT3 << 1)) >> 2;  // kDDL2
+  const uint8_t kuiDDL3 = (2 + kuiT3 + kuiT5 + (kuiT4 << 1)) >> 2;  // kDDL3
+  const uint8_t kuiDDL4 = (2 + kuiT4 + kuiT6 + (kuiT5 << 1)) >> 2;  // kDDL4
+  const uint8_t kuiDDL5 = (2 + kuiT5 + kuiT7 + (kuiT6 << 1)) >> 2;  // kDDL5
+  const uint8_t kuiDDL6 = (2 + kuiT6 + kuiT7 + (kuiT7 << 1)) >> 2;  // kDDL6
   const uint8_t kuiList[8] = { kuiDDL0, kuiDDL1, kuiDDL2, kuiDDL3, kuiDDL4, kuiDDL5, kuiDDL6, 0 };
 
   ST32 (pPred            , LD32 (kuiList));
@@ -122,22 +122,22 @@
 
 /*down pLeft*/
 void WelsI4x4LumaPredDDLTop_ref (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2	= kiStride << 1;
-  const int32_t kiStride3	= kiStride + kiStride2;
+  const int32_t kiStride2 = kiStride << 1;
+  const int32_t kiStride3 = kiStride + kiStride2;
   /*get pTop*/
-  uint8_t* ptop			= &pPred[-kiStride];
-  const uint8_t kuiT0		= *ptop;
-  const uint8_t kuiT1		= * (ptop + 1);
-  const uint8_t kuiT2		= * (ptop + 2);
-  const uint8_t kuiT3		= * (ptop + 3);
-  const uint16_t kuiT01	= 1 + kuiT0 + kuiT1;
-  const uint16_t kuiT12	= 1 + kuiT1 + kuiT2;
-  const uint16_t kuiT23	= 1 + kuiT2 + kuiT3;
-  const uint16_t kuiT33	= 1 + (kuiT3 << 1);
-  const uint8_t kuiDLT0	= (kuiT01 + kuiT12) >> 2;	// kDLT0
-  const uint8_t kuiDLT1	= (kuiT12 + kuiT23) >> 2;	// kDLT1
-  const uint8_t kuiDLT2	= (kuiT23 + kuiT33) >> 2;	// kDLT2
-  const uint8_t kuiDLT3	= kuiT33 >> 1;			// kDLT3
+  uint8_t* ptop         = &pPred[-kiStride];
+  const uint8_t kuiT0   = *ptop;
+  const uint8_t kuiT1   = * (ptop + 1);
+  const uint8_t kuiT2   = * (ptop + 2);
+  const uint8_t kuiT3   = * (ptop + 3);
+  const uint16_t kuiT01 = 1 + kuiT0 + kuiT1;
+  const uint16_t kuiT12 = 1 + kuiT1 + kuiT2;
+  const uint16_t kuiT23 = 1 + kuiT2 + kuiT3;
+  const uint16_t kuiT33 = 1 + (kuiT3 << 1);
+  const uint8_t kuiDLT0 = (kuiT01 + kuiT12) >> 2;   // kDLT0
+  const uint8_t kuiDLT1 = (kuiT12 + kuiT23) >> 2;   // kDLT1
+  const uint8_t kuiDLT2 = (kuiT23 + kuiT33) >> 2;   // kDLT2
+  const uint8_t kuiDLT3 = kuiT33 >> 1;          // kDLT3
   const uint8_t kuiList[8] = { kuiDLT0, kuiDLT1, kuiDLT2, kuiDLT3, kuiDLT3, kuiDLT3, kuiDLT3 , kuiDLT3 };
 
   ST32 (pPred,             LD32 (kuiList));
@@ -149,36 +149,36 @@
 
 /*down right*/
 void WelsI4x4LumaPredDDR_ref (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2	= kiStride << 1;
-  const int32_t kiStride3	= kiStride + kiStride2;
-  uint8_t* ptopleft		= &pPred[- (kiStride + 1)];
-  uint8_t* pleft			= &pPred[-1];
-  const uint8_t kuiLT		= *ptopleft;
+  const int32_t kiStride2 = kiStride << 1;
+  const int32_t kiStride3 = kiStride + kiStride2;
+  uint8_t* ptopleft       = &pPred[- (kiStride + 1)];
+  uint8_t* pleft          = &pPred[-1];
+  const uint8_t kuiLT     = *ptopleft;
   /*get pLeft and pTop*/
-  const uint8_t kuiL0		= *pleft;
-  const uint8_t kuiL1		= * (pleft + kiStride);
-  const uint8_t kuiL2		= * (pleft + kiStride2);
-  const uint8_t kuiL3		= * (pleft + kiStride3);
-  const uint8_t kuiT0		= * (ptopleft + 1);
-  const uint8_t kuiT1		= * (ptopleft + 2);
-  const uint8_t kuiT2		= * (ptopleft + 3);
-  const uint8_t kuiT3		= * (ptopleft + 4);
-  const uint16_t kuiTL0	= 1 + kuiLT + kuiL0;
-  const uint16_t kuiLT0	= 1 + kuiLT + kuiT0;
-  const uint16_t kuiT01	= 1 + kuiT0 + kuiT1;
-  const uint16_t kuiT12	= 1 + kuiT1 + kuiT2;
-  const uint16_t kuiT23	= 1 + kuiT2 + kuiT3;
-  const uint16_t kuiL01	= 1 + kuiL0 + kuiL1;
-  const uint16_t kuiL12	= 1 + kuiL1 + kuiL2;
-  const uint16_t kuiL23	= 1 + kuiL2 + kuiL3;
-  const uint8_t kuiDDR0	= (kuiTL0 + kuiLT0) >> 2;	// kuiDDR0
-  const uint8_t kuiDDR1	= (kuiLT0 + kuiT01) >> 2;	// kuiDDR1
-  const uint8_t kuiDDR2	= (kuiT01 + kuiT12) >> 2;	// kuiDDR2
-  const uint8_t kuiDDR3	= (kuiT12 + kuiT23) >> 2;	// kuiDDR3
-  const uint8_t kuiDDR4	= (kuiTL0 + kuiL01) >> 2;	// kuiDDR4
-  const uint8_t kuiDDR5	= (kuiL01 + kuiL12) >> 2;	// kuiDDR5
-  const uint8_t kuiDDR6	= (kuiL12 + kuiL23) >> 2;	// kuiDDR6
-  const uint8_t kuiList[8] = { kuiDDR6, kuiDDR5, kuiDDR4, kuiDDR0, kuiDDR1, kuiDDR2, kuiDDR3, 0	};
+  const uint8_t kuiL0   = *pleft;
+  const uint8_t kuiL1   = * (pleft + kiStride);
+  const uint8_t kuiL2   = * (pleft + kiStride2);
+  const uint8_t kuiL3   = * (pleft + kiStride3);
+  const uint8_t kuiT0   = * (ptopleft + 1);
+  const uint8_t kuiT1   = * (ptopleft + 2);
+  const uint8_t kuiT2   = * (ptopleft + 3);
+  const uint8_t kuiT3   = * (ptopleft + 4);
+  const uint16_t kuiTL0 = 1 + kuiLT + kuiL0;
+  const uint16_t kuiLT0 = 1 + kuiLT + kuiT0;
+  const uint16_t kuiT01 = 1 + kuiT0 + kuiT1;
+  const uint16_t kuiT12 = 1 + kuiT1 + kuiT2;
+  const uint16_t kuiT23 = 1 + kuiT2 + kuiT3;
+  const uint16_t kuiL01 = 1 + kuiL0 + kuiL1;
+  const uint16_t kuiL12 = 1 + kuiL1 + kuiL2;
+  const uint16_t kuiL23 = 1 + kuiL2 + kuiL3;
+  const uint8_t kuiDDR0 = (kuiTL0 + kuiLT0) >> 2;   // kuiDDR0
+  const uint8_t kuiDDR1 = (kuiLT0 + kuiT01) >> 2;   // kuiDDR1
+  const uint8_t kuiDDR2 = (kuiT01 + kuiT12) >> 2;   // kuiDDR2
+  const uint8_t kuiDDR3 = (kuiT12 + kuiT23) >> 2;   // kuiDDR3
+  const uint8_t kuiDDR4 = (kuiTL0 + kuiL01) >> 2;   // kuiDDR4
+  const uint8_t kuiDDR5 = (kuiL01 + kuiL12) >> 2;   // kuiDDR5
+  const uint8_t kuiDDR6 = (kuiL12 + kuiL23) >> 2;   // kuiDDR6
+  const uint8_t kuiList[8] = { kuiDDR6, kuiDDR5, kuiDDR4, kuiDDR0, kuiDDR1, kuiDDR2, kuiDDR3, 0 };
 
   ST32 (pPred            , LD32 (kuiList + 3));
   ST32 (pPred + kiStride , LD32 (kuiList + 2));
@@ -189,34 +189,34 @@
 
 /*vertical pLeft*/
 void WelsI4x4LumaPredVL_ref (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2	= kiStride << 1;
-  const int32_t kiStride3	= kiStride + kiStride2;
-  uint8_t* ptopleft		= &pPred[- (kiStride + 1)];
+  const int32_t kiStride2   = kiStride << 1;
+  const int32_t kiStride3   = kiStride + kiStride2;
+  uint8_t* ptopleft         = &pPred[- (kiStride + 1)];
   /*get pTop*/
-  const uint8_t kuiT0		    = * (ptopleft + 1);
-  const uint8_t kuiT1		    = * (ptopleft + 2);
-  const uint8_t kuiT2		    = * (ptopleft + 3);
-  const uint8_t kuiT3		    = * (ptopleft + 4);
-  const uint8_t kuiT4		    = * (ptopleft + 5);
-  const uint8_t kuiT5		    = * (ptopleft + 6);
-  const uint8_t kuiT6		    = * (ptopleft + 7);
-  const uint16_t kuiT01		= 1 + kuiT0 + kuiT1;
-  const uint16_t kuiT12		= 1 + kuiT1 + kuiT2;
-  const uint16_t kuiT23		= 1 + kuiT2 + kuiT3;
-  const uint16_t kuiT34		= 1 + kuiT3 + kuiT4;
-  const uint16_t kuiT45		= 1 + kuiT4 + kuiT5;
-  const uint16_t kuiT56		= 1 + kuiT5 + kuiT6;
-  const uint8_t kuiVL0		= kuiT01 >> 1;			// kuiVL0
-  const uint8_t kuiVL1		= kuiT12 >> 1;			// kuiVL1
-  const uint8_t kuiVL2		= kuiT23 >> 1;			// kuiVL2
-  const uint8_t kuiVL3		= kuiT34 >> 1;			// kuiVL3
-  const uint8_t kuiVL4		= kuiT45 >> 1;			// kuiVL4
-  const uint8_t kuiVL5		= (kuiT01 + kuiT12) >> 2;	// kuiVL5
-  const uint8_t kuiVL6		= (kuiT12 + kuiT23) >> 2;	// kuiVL6
-  const uint8_t kuiVL7		= (kuiT23 + kuiT34) >> 2;	// kuiVL7
-  const uint8_t kuiVL8		= (kuiT34 + kuiT45) >> 2;	// kuiVL8
-  const uint8_t kuiVL9		= (kuiT45 + kuiT56) >> 2;	// kuiVL9
-  const uint8_t kuiList[10]	= { kuiVL0, kuiVL1, kuiVL2, kuiVL3, kuiVL4, kuiVL5, kuiVL6, kuiVL7, kuiVL8, kuiVL9 };
+  const uint8_t kuiT0       = * (ptopleft + 1);
+  const uint8_t kuiT1       = * (ptopleft + 2);
+  const uint8_t kuiT2       = * (ptopleft + 3);
+  const uint8_t kuiT3       = * (ptopleft + 4);
+  const uint8_t kuiT4       = * (ptopleft + 5);
+  const uint8_t kuiT5       = * (ptopleft + 6);
+  const uint8_t kuiT6       = * (ptopleft + 7);
+  const uint16_t kuiT01     = 1 + kuiT0 + kuiT1;
+  const uint16_t kuiT12     = 1 + kuiT1 + kuiT2;
+  const uint16_t kuiT23     = 1 + kuiT2 + kuiT3;
+  const uint16_t kuiT34     = 1 + kuiT3 + kuiT4;
+  const uint16_t kuiT45     = 1 + kuiT4 + kuiT5;
+  const uint16_t kuiT56     = 1 + kuiT5 + kuiT6;
+  const uint8_t kuiVL0      = kuiT01 >> 1;              // kuiVL0
+  const uint8_t kuiVL1      = kuiT12 >> 1;              // kuiVL1
+  const uint8_t kuiVL2      = kuiT23 >> 1;              // kuiVL2
+  const uint8_t kuiVL3      = kuiT34 >> 1;              // kuiVL3
+  const uint8_t kuiVL4      = kuiT45 >> 1;              // kuiVL4
+  const uint8_t kuiVL5      = (kuiT01 + kuiT12) >> 2;   // kuiVL5
+  const uint8_t kuiVL6      = (kuiT12 + kuiT23) >> 2;   // kuiVL6
+  const uint8_t kuiVL7      = (kuiT23 + kuiT34) >> 2;   // kuiVL7
+  const uint8_t kuiVL8      = (kuiT34 + kuiT45) >> 2;   // kuiVL8
+  const uint8_t kuiVL9      = (kuiT45 + kuiT56) >> 2;   // kuiVL9
+  const uint8_t kuiList[10] = { kuiVL0, kuiVL1, kuiVL2, kuiVL3, kuiVL4, kuiVL5, kuiVL6, kuiVL7, kuiVL8, kuiVL9 };
 
   ST32 (pPred,             LD32 (kuiList));
   ST32 (pPred + kiStride,  LD32 (kuiList + 5));
@@ -226,27 +226,27 @@
 
 /*vertical pLeft*/
 void WelsI4x4LumaPredVLTop_ref (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2	    = kiStride << 1;
-  const int32_t kiStride3	    = kiStride + kiStride2;
-  uint8_t* ptopleft		    = &pPred[- (kiStride + 1)];
+  const int32_t kiStride2   = kiStride << 1;
+  const int32_t kiStride3   = kiStride + kiStride2;
+  uint8_t* ptopleft         = &pPred[- (kiStride + 1)];
   /*get pTop*/
-  const uint8_t kuiT0		    = * (ptopleft + 1);
-  const uint8_t kuiT1		    = * (ptopleft + 2);
-  const uint8_t kuiT2		    = * (ptopleft + 3);
-  const uint8_t kuiT3		    = * (ptopleft + 4);
-  const uint16_t kuiT01		= 1 + kuiT0 + kuiT1;
-  const uint16_t kuiT12		= 1 + kuiT1 + kuiT2;
-  const uint16_t kuiT23		= 1 + kuiT2 + kuiT3;
-  const uint16_t kuiT33		= 1 + (kuiT3 << 1);
-  const uint8_t kuiVL0		= kuiT01 >> 1;
-  const uint8_t kuiVL1		= kuiT12 >> 1;
-  const uint8_t kuiVL2		= kuiT23 >> 1;
-  const uint8_t kuiVL3		= kuiT33 >> 1;
-  const uint8_t kuiVL4		= (kuiT01 + kuiT12) >> 2;
-  const uint8_t kuiVL5		= (kuiT12 + kuiT23) >> 2;
-  const uint8_t kuiVL6		= (kuiT23 + kuiT33) >> 2;
-  const uint8_t kuiVL7		= kuiVL3;
-  const uint8_t kuiList[10]	= { kuiVL0, kuiVL1, kuiVL2, kuiVL3, kuiVL3, kuiVL4, kuiVL5, kuiVL6, kuiVL7, kuiVL7 };
+  const uint8_t kuiT0       = * (ptopleft + 1);
+  const uint8_t kuiT1       = * (ptopleft + 2);
+  const uint8_t kuiT2       = * (ptopleft + 3);
+  const uint8_t kuiT3       = * (ptopleft + 4);
+  const uint16_t kuiT01     = 1 + kuiT0 + kuiT1;
+  const uint16_t kuiT12     = 1 + kuiT1 + kuiT2;
+  const uint16_t kuiT23     = 1 + kuiT2 + kuiT3;
+  const uint16_t kuiT33     = 1 + (kuiT3 << 1);
+  const uint8_t kuiVL0      = kuiT01 >> 1;
+  const uint8_t kuiVL1      = kuiT12 >> 1;
+  const uint8_t kuiVL2      = kuiT23 >> 1;
+  const uint8_t kuiVL3      = kuiT33 >> 1;
+  const uint8_t kuiVL4      = (kuiT01 + kuiT12) >> 2;
+  const uint8_t kuiVL5      = (kuiT12 + kuiT23) >> 2;
+  const uint8_t kuiVL6      = (kuiT23 + kuiT33) >> 2;
+  const uint8_t kuiVL7      = kuiVL3;
+  const uint8_t kuiList[10] = { kuiVL0, kuiVL1, kuiVL2, kuiVL3, kuiVL3, kuiVL4, kuiVL5, kuiVL6, kuiVL7, kuiVL7 };
 
   ST32 (pPred            , LD32 (kuiList));
   ST32 (pPred + kiStride , LD32 (kuiList + 5));
@@ -257,28 +257,28 @@
 
 /*vertical right*/
 void WelsI4x4LumaPredVR_ref (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2	    = kiStride << 1;
-  const int32_t kiStride3	    = kiStride + kiStride2;
-  const uint8_t kuiLT		    = pPred[-kiStride - 1];
+  const int32_t kiStride2   = kiStride << 1;
+  const int32_t kiStride3   = kiStride + kiStride2;
+  const uint8_t kuiLT       = pPred[-kiStride - 1];
   /*get pLeft and pTop*/
-  const uint8_t kuiL0		    = pPred[         -1];
-  const uint8_t kuiL1		    = pPred[kiStride - 1];
-  const uint8_t kuiL2		    = pPred[kiStride2 - 1];
-  const uint8_t kuiT0		    = pPred[ -kiStride];
-  const uint8_t kuiT1		    = pPred[1 - kiStride];
-  const uint8_t kuiT2		    = pPred[2 - kiStride];
-  const uint8_t kuiT3		    = pPred[3 - kiStride];
-  const uint8_t kuiVR0		= (1 + kuiLT + kuiT0) >> 1;	// kuiVR0
-  const uint8_t kuiVR1		= (1 + kuiT0 + kuiT1) >> 1;	// kuiVR1
-  const uint8_t kuiVR2		= (1 + kuiT1 + kuiT2) >> 1;	// kuiVR2
-  const uint8_t kuiVR3		= (1 + kuiT2 + kuiT3) >> 1;	// kuiVR3
-  const uint8_t kuiVR4		= (2 + kuiL0 + (kuiLT << 1) + kuiT0) >> 2;	// kuiVR4
-  const uint8_t kuiVR5		= (2 + kuiLT + (kuiT0 << 1) + kuiT1) >> 2;	// kuiVR5
-  const uint8_t kuiVR6		= (2 + kuiT0 + (kuiT1 << 1) + kuiT2) >> 2;	// kuiVR6
-  const uint8_t kuiVR7		= (2 + kuiT1 + (kuiT2 << 1) + kuiT3) >> 2;	// kuiVR7
-  const uint8_t kuiVR8		= (2 + kuiLT + (kuiL0 << 1) + kuiL1) >> 2;	// kuiVR8
-  const uint8_t kuiVR9		= (2 + kuiL0 + (kuiL1 << 1) + kuiL2) >> 2;	// kuiVR9
-  const uint8_t kuiList[10]	= { kuiVR8, kuiVR0, kuiVR1, kuiVR2, kuiVR3, kuiVR9, kuiVR4, kuiVR5, kuiVR6, kuiVR7 };
+  const uint8_t kuiL0       = pPred[          - 1];
+  const uint8_t kuiL1       = pPred[kiStride  - 1];
+  const uint8_t kuiL2       = pPred[kiStride2 - 1];
+  const uint8_t kuiT0       = pPred[ -kiStride];
+  const uint8_t kuiT1       = pPred[1 - kiStride];
+  const uint8_t kuiT2       = pPred[2 - kiStride];
+  const uint8_t kuiT3       = pPred[3 - kiStride];
+  const uint8_t kuiVR0      = (1 + kuiLT + kuiT0) >> 1;                 // kuiVR0
+  const uint8_t kuiVR1      = (1 + kuiT0 + kuiT1) >> 1;                 // kuiVR1
+  const uint8_t kuiVR2      = (1 + kuiT1 + kuiT2) >> 1;                 // kuiVR2
+  const uint8_t kuiVR3      = (1 + kuiT2 + kuiT3) >> 1;                 // kuiVR3
+  const uint8_t kuiVR4      = (2 + kuiL0 + (kuiLT << 1) + kuiT0) >> 2;  // kuiVR4
+  const uint8_t kuiVR5      = (2 + kuiLT + (kuiT0 << 1) + kuiT1) >> 2;  // kuiVR5
+  const uint8_t kuiVR6      = (2 + kuiT0 + (kuiT1 << 1) + kuiT2) >> 2;  // kuiVR6
+  const uint8_t kuiVR7      = (2 + kuiT1 + (kuiT2 << 1) + kuiT3) >> 2;  // kuiVR7
+  const uint8_t kuiVR8      = (2 + kuiLT + (kuiL0 << 1) + kuiL1) >> 2;  // kuiVR8
+  const uint8_t kuiVR9      = (2 + kuiL0 + (kuiL1 << 1) + kuiL2) >> 2;  // kuiVR9
+  const uint8_t kuiList[10] = { kuiVR8, kuiVR0, kuiVR1, kuiVR2, kuiVR3, kuiVR9, kuiVR4, kuiVR5, kuiVR6, kuiVR7 };
 
   ST32 (pPred            , LD32 (kuiList + 1));
   ST32 (pPred + kiStride , LD32 (kuiList + 6));
@@ -288,23 +288,23 @@
 
 /*horizontal up*/
 void WelsI4x4LumaPredHU_ref (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2	    = kiStride << 1;
-  const int32_t kiStride3	    = kiStride + kiStride2;
+  const int32_t kiStride2   = kiStride << 1;
+  const int32_t kiStride3   = kiStride + kiStride2;
   /*get pLeft*/
-  const uint8_t kuiL0		    = pPred[         -1];
-  const uint8_t kuiL1		    = pPred[kiStride - 1];
-  const uint8_t kuiL2		    = pPred[kiStride2 - 1];
-  const uint8_t kuiL3		    = pPred[kiStride3 - 1];
-  const uint16_t kuiL01		= 1 + kuiL0 + kuiL1;
-  const uint16_t kuiL12		= 1 + kuiL1 + kuiL2;
-  const uint16_t kuiL23		= 1 + kuiL2 + kuiL3;
-  const uint8_t kuiHU0		= kuiL01 >> 1;
-  const uint8_t kuiHU1		= (kuiL01 + kuiL12) >> 2;
-  const uint8_t kuiHU2		= kuiL12 >> 1;
-  const uint8_t kuiHU3		= (kuiL12 + kuiL23) >> 2;
-  const uint8_t kuiHU4		= kuiL23 >> 1;
-  const uint8_t kuiHU5		= (1 + kuiL23 + (kuiL3 << 1)) >> 2;
-  const uint8_t kuiList[10]	= { kuiHU0, kuiHU1, kuiHU2, kuiHU3, kuiHU4, kuiHU5, kuiL3, kuiL3, kuiL3, kuiL3 };
+  const uint8_t kuiL0       = pPred[          - 1];
+  const uint8_t kuiL1       = pPred[kiStride  - 1];
+  const uint8_t kuiL2       = pPred[kiStride2 - 1];
+  const uint8_t kuiL3       = pPred[kiStride3 - 1];
+  const uint16_t kuiL01     = 1 + kuiL0 + kuiL1;
+  const uint16_t kuiL12     = 1 + kuiL1 + kuiL2;
+  const uint16_t kuiL23     = 1 + kuiL2 + kuiL3;
+  const uint8_t kuiHU0      = kuiL01 >> 1;
+  const uint8_t kuiHU1      = (kuiL01 + kuiL12) >> 2;
+  const uint8_t kuiHU2      = kuiL12 >> 1;
+  const uint8_t kuiHU3      = (kuiL12 + kuiL23) >> 2;
+  const uint8_t kuiHU4      = kuiL23 >> 1;
+  const uint8_t kuiHU5      = (1 + kuiL23 + (kuiL3 << 1)) >> 2;
+  const uint8_t kuiList[10] = { kuiHU0, kuiHU1, kuiHU2, kuiHU3, kuiHU4, kuiHU5, kuiL3, kuiL3, kuiL3, kuiL3 };
 
   ST32 (pPred            , LD32 (kuiList));
   ST32 (pPred + kiStride , LD32 (kuiList + 2));
@@ -314,35 +314,35 @@
 
 /*horizontal down*/
 void WelsI4x4LumaPredHD_ref (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiStride2 	= kiStride << 1;
-  const int32_t kiStride3	    = kiStride + kiStride2;
-  const uint8_t kuiLT		    = pPred[- (kiStride + 1)];
+  const int32_t kiStride2   = kiStride << 1;
+  const int32_t kiStride3   = kiStride + kiStride2;
+  const uint8_t kuiLT       = pPred[- (kiStride + 1)];
   /*get pLeft and pTop*/
-  const uint8_t kuiL0		    = pPred[-1          ];
-  const uint8_t kuiL1		    = pPred[-1 + kiStride ];
-  const uint8_t kuiL2		    = pPred[-1 + kiStride2];
-  const uint8_t kuiL3		    = pPred[-1 + kiStride3];
-  const uint8_t kuiT0		    = pPred[-kiStride   ];
-  const uint8_t kuiT1		    = pPred[-kiStride + 1 ];
-  const uint8_t kuiT2		    = pPred[-kiStride + 2 ];
-  const uint16_t kuiTL0		= 1 + kuiLT + kuiL0;
-  const uint16_t kuiLT0		= 1 + kuiLT + kuiT0;
-  const uint16_t kuiT01		= 1 + kuiT0 + kuiT1;
-  const uint16_t kuiT12		= 1 + kuiT1 + kuiT2;
-  const uint16_t kuiL01		= 1 + kuiL0 + kuiL1;
-  const uint16_t kuiL12		= 1 + kuiL1 + kuiL2;
-  const uint16_t kuiL23		= 1 + kuiL2 + kuiL3;
-  const uint8_t kuiHD0		= kuiTL0 >> 1;
-  const uint8_t kuiHD1		= (kuiTL0 + kuiLT0) >> 2;
-  const uint8_t kuiHD2		= (kuiLT0 + kuiT01) >> 2;
-  const uint8_t kuiHD3		= (kuiT01 + kuiT12) >> 2;
-  const uint8_t kuiHD4		= kuiL01 >> 1;
-  const uint8_t kuiHD5		= (kuiTL0 + kuiL01) >> 2;
-  const uint8_t kuiHD6		= kuiL12 >> 1;
-  const uint8_t kuiHD7		= (kuiL01 + kuiL12) >> 2;
-  const uint8_t kuiHD8		= kuiL23 >> 1;
-  const uint8_t kuiHD9	    = (kuiL12 + kuiL23) >> 2;
-  const uint8_t kuiList[10]	= { kuiHD8, kuiHD9, kuiHD6, kuiHD7, kuiHD4, kuiHD5, kuiHD0, kuiHD1, kuiHD2, kuiHD3 };
+  const uint8_t kuiL0       = pPred[-1            ];
+  const uint8_t kuiL1       = pPred[-1 + kiStride ];
+  const uint8_t kuiL2       = pPred[-1 + kiStride2];
+  const uint8_t kuiL3       = pPred[-1 + kiStride3];
+  const uint8_t kuiT0       = pPred[-kiStride     ];
+  const uint8_t kuiT1       = pPred[-kiStride + 1 ];
+  const uint8_t kuiT2       = pPred[-kiStride + 2 ];
+  const uint16_t kuiTL0     = 1 + kuiLT + kuiL0;
+  const uint16_t kuiLT0     = 1 + kuiLT + kuiT0;
+  const uint16_t kuiT01     = 1 + kuiT0 + kuiT1;
+  const uint16_t kuiT12     = 1 + kuiT1 + kuiT2;
+  const uint16_t kuiL01     = 1 + kuiL0 + kuiL1;
+  const uint16_t kuiL12     = 1 + kuiL1 + kuiL2;
+  const uint16_t kuiL23     = 1 + kuiL2 + kuiL3;
+  const uint8_t kuiHD0      = kuiTL0 >> 1;
+  const uint8_t kuiHD1      = (kuiTL0 + kuiLT0) >> 2;
+  const uint8_t kuiHD2      = (kuiLT0 + kuiT01) >> 2;
+  const uint8_t kuiHD3      = (kuiT01 + kuiT12) >> 2;
+  const uint8_t kuiHD4      = kuiL01 >> 1;
+  const uint8_t kuiHD5      = (kuiTL0 + kuiL01) >> 2;
+  const uint8_t kuiHD6      = kuiL12 >> 1;
+  const uint8_t kuiHD7      = (kuiL01 + kuiL12) >> 2;
+  const uint8_t kuiHD8      = kuiL23 >> 1;
+  const uint8_t kuiHD9      = (kuiL12 + kuiL23) >> 2;
+  const uint8_t kuiList[10] = { kuiHD8, kuiHD9, kuiHD6, kuiHD7, kuiHD4, kuiHD5, kuiHD0, kuiHD1, kuiHD2, kuiHD3 };
 
   ST32 (pPred            , LD32 (kuiList + 6));
   ST32 (pPred + kiStride , LD32 (kuiList + 4));
@@ -433,27 +433,27 @@
 
 
 void WelsIChromaPredDc_ref (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiL1		= kiStride - 1;
-  const int32_t kiL2		= kiL1 + kiStride;
-  const int32_t kiL3		= kiL2 + kiStride;
-  const int32_t kiL4		= kiL3 + kiStride;
-  const int32_t kiL5		= kiL4 + kiStride;
-  const int32_t kiL6		= kiL5 + kiStride;
-  const int32_t kiL7		= kiL6 + kiStride;
+  const int32_t kiL1        = kiStride - 1;
+  const int32_t kiL2        = kiL1 + kiStride;
+  const int32_t kiL3        = kiL2 + kiStride;
+  const int32_t kiL4        = kiL3 + kiStride;
+  const int32_t kiL5        = kiL4 + kiStride;
+  const int32_t kiL6        = kiL5 + kiStride;
+  const int32_t kiL7        = kiL6 + kiStride;
   /*caculate the kMean value*/
-  const uint8_t kuiM1		= (pPred[-kiStride] + pPred[1 - kiStride] + pPred[2 - kiStride] + pPred[3 - kiStride] +
+  const uint8_t kuiM1       = (pPred[-kiStride] + pPred[1 - kiStride] + pPred[2 - kiStride] + pPred[3 - kiStride] +
                            pPred[-1] + pPred[kiL1] + pPred[kiL2] + pPred[kiL3] + 4) >> 3 ;
-  const uint32_t kuiSum2	= pPred[4 - kiStride] + pPred[5 - kiStride] + pPred[6 - kiStride] + pPred[7 - kiStride];
-  const uint32_t kuiSum3	= pPred[kiL4] + pPred[kiL5] + pPred[kiL6] + pPred[kiL7];
-  const uint8_t kuiM2		= (kuiSum2 + 2) >> 2;
-  const uint8_t kuiM3		= (kuiSum3 + 2) >> 2;
-  const uint8_t kuiM4		= (kuiSum2 + kuiSum3 + 4) >> 3;
-  const uint8_t kuiMUP[8]	= {kuiM1, kuiM1, kuiM1, kuiM1, kuiM2, kuiM2, kuiM2, kuiM2};
-  const uint8_t kuiMDown[8]	= {kuiM3, kuiM3, kuiM3, kuiM3, kuiM4, kuiM4, kuiM4, kuiM4};
-  const uint64_t kuiUP64		= LD64 (kuiMUP);
-  const uint64_t kuiDN64		= LD64 (kuiMDown);
+  const uint32_t kuiSum2    = pPred[4 - kiStride] + pPred[5 - kiStride] + pPred[6 - kiStride] + pPred[7 - kiStride];
+  const uint32_t kuiSum3    = pPred[kiL4] + pPred[kiL5] + pPred[kiL6] + pPred[kiL7];
+  const uint8_t kuiM2       = (kuiSum2 + 2) >> 2;
+  const uint8_t kuiM3       = (kuiSum3 + 2) >> 2;
+  const uint8_t kuiM4       = (kuiSum2 + kuiSum3 + 4) >> 3;
+  const uint8_t kuiMUP[8]   = {kuiM1, kuiM1, kuiM1, kuiM1, kuiM2, kuiM2, kuiM2, kuiM2};
+  const uint8_t kuiMDown[8] = {kuiM3, kuiM3, kuiM3, kuiM3, kuiM4, kuiM4, kuiM4, kuiM4};
+  const uint64_t kuiUP64    = LD64 (kuiMUP);
+  const uint64_t kuiDN64    = LD64 (kuiMDown);
 
-  ST64 (pPred       , kuiUP64);
+  ST64 (pPred           , kuiUP64);
   ST64 (pPred + kiL1 + 1, kuiUP64);
   ST64 (pPred + kiL2 + 1, kuiUP64);
   ST64 (pPred + kiL3 + 1, kuiUP64);
@@ -464,13 +464,13 @@
 }
 
 void WelsIChromaPredDcLeft_ref (uint8_t* pPred, const int32_t kiStride) {
-  const int32_t kiL1	=   -1 + kiStride;
-  const int32_t kiL2	= kiL1 + kiStride;
-  const int32_t kiL3	= kiL2 + kiStride;
-  const int32_t kiL4	= kiL3 + kiStride;
-  const int32_t kiL5	= kiL4 + kiStride;
-  const int32_t kiL6	= kiL5 + kiStride;
-  const int32_t kiL7	= kiL6 + kiStride;
+  const int32_t kiL1    =   -1 + kiStride;
+  const int32_t kiL2    = kiL1 + kiStride;
+  const int32_t kiL3    = kiL2 + kiStride;
+  const int32_t kiL4    = kiL3 + kiStride;
+  const int32_t kiL5    = kiL4 + kiStride;
+  const int32_t kiL6    = kiL5 + kiStride;
+  const int32_t kiL7    = kiL6 + kiStride;
   /*caculate the kMean value*/
   const uint8_t kuiMUP   = (pPred[-1] + pPred[kiL1] + pPred[kiL2] + pPred[kiL3] + 2) >> 2 ;
   const uint8_t kuiMDown = (pPred[kiL4] + pPred[kiL5] + pPred[kiL6] + pPred[kiL7] + 2) >> 2;
@@ -477,7 +477,7 @@
   const uint64_t kuiUP64 = 0x0101010101010101ULL * kuiMUP;
   const uint64_t kuiDN64 = 0x0101010101010101ULL * kuiMDown;
 
-  ST64 (pPred       , kuiUP64);
+  ST64 (pPred           , kuiUP64);
   ST64 (pPred + kiL1 + 1, kuiUP64);
   ST64 (pPred + kiL2 + 1, kuiUP64);
   ST64 (pPred + kiL3 + 1, kuiUP64);
@@ -488,12 +488,11 @@
 }
 
 void WelsIChromaPredDcTop_ref (uint8_t* pPred, const int32_t kiStride) {
-  int32_t iTmp			= (kiStride << 3) - kiStride;
+  int32_t iTmp = (kiStride << 3) - kiStride;
   /*caculate the kMean value*/
-  const uint8_t kuiM1	    = (pPred[-kiStride] + pPred[1 - kiStride] + pPred[2 - kiStride] + pPred[3 - kiStride] + 2) >> 2;
-  const uint8_t kuiM2	    = (pPred[4 - kiStride] + pPred[5 - kiStride] + pPred[6 - kiStride] + pPred[7 - kiStride] + 2) >>
-                            2;
-  const uint8_t kuiM[8]	= {kuiM1, kuiM1, kuiM1, kuiM1, kuiM2, kuiM2, kuiM2, kuiM2};
+  const uint8_t kuiM1 = (pPred[-kiStride] + pPred[1 - kiStride] + pPred[2 - kiStride] + pPred[3 - kiStride] + 2) >> 2;
+  const uint8_t kuiM2 = (pPred[4 - kiStride] + pPred[5 - kiStride] + pPred[6 - kiStride] + pPred[7 - kiStride] + 2) >> 2;
+  const uint8_t kuiM[8] = {kuiM1, kuiM1, kuiM1, kuiM1, kuiM2, kuiM2, kuiM2, kuiM2};
 
   uint8_t i = 7;
 
--- a/test/decoder/DecUT_ParseSyntax.cpp
+++ b/test/decoder/DecUT_ParseSyntax.cpp
@@ -94,7 +94,7 @@
   WelsEndDecoder (pCtx);
   if (NULL != pCtx) {
     free (pCtx);
-    pCtx	= NULL;
+    pCtx = NULL;
   }
 
 }
@@ -135,7 +135,7 @@
   unsigned char m_szBuffer[BUF_SIZE]; //for mocking packet
   int m_iBufLength; //record the valid data in m_szBuffer
   PWelsDecoderContext m_pCtx;
-  welsCodecTrace*	m_pWelsTrace;
+  welsCodecTrace* m_pWelsTrace;
 
 };
 
@@ -160,7 +160,7 @@
   //
   m_pCtx = (PWelsDecoderContext)malloc (sizeof (SWelsDecoderContext));
 
-  m_pWelsTrace	= new welsCodecTrace();
+  m_pWelsTrace = new welsCodecTrace();
   if (m_pWelsTrace != NULL) {
     m_pWelsTrace->SetTraceLevel (WELS_LOG_ERROR);
   }
--- a/test/encoder/EncUT_EncoderMbAux.cpp
+++ b/test/encoder/EncUT_EncoderMbAux.cpp
@@ -277,7 +277,7 @@
 #endif
 #define WELS_ABS_LC(a) ((sign ^ (int32_t)(a)) - sign)
 #define NEW_QUANT(pDct, ff, mf) (((ff)+ WELS_ABS_LC(pDct))*(mf)) >>16
-#define WELS_NEW_QUANT(pDct,ff,mf)	WELS_ABS_LC(NEW_QUANT(pDct, ff, mf))
+#define WELS_NEW_QUANT(pDct,ff,mf) WELS_ABS_LC(NEW_QUANT(pDct, ff, mf))
 void WelsQuantFour4x4MaxAnchor (int16_t* pDct, int16_t* ff,  int16_t* mf, int16_t* max) {
   int32_t i, j, k, sign;
   int16_t max_abs;
@@ -421,8 +421,8 @@
   int32_t i, iIdx;
   for (i = 0 ; i < 16 ; i += 4) {
     iIdx = ((i & 0x08) << 4) + ((i & 0x04) << 3);
-    s[0] = pDct[iIdx ]	 + pDct[iIdx + 80];
-    s[3] = pDct[iIdx ]	 - pDct[iIdx + 80];
+    s[0] = pDct[iIdx ]     + pDct[iIdx + 80];
+    s[3] = pDct[iIdx ]     - pDct[iIdx + 80];
     s[1] = pDct[iIdx + 16] + pDct[iIdx + 64];
     s[2] = pDct[iIdx + 16] - pDct[iIdx + 64];
     p[i  ] = s[0] + s[1];
--- a/test/encoder/EncUT_GetIntraPredictor.cpp
+++ b/test/encoder/EncUT_GetIntraPredictor.cpp
@@ -9,7 +9,7 @@
 
 TEST (GetIntraPredictorTest, TestGetI4x4LumaPredV) {
   uint8_t* pPred = new uint8_t[64];
-  uint8_t*	pRef  = new uint8_t[64];
+  uint8_t* pRef  = new uint8_t[64];
   for (int i = 0; i < 64; i++)
     pRef[i] = rand() % 256;
 
@@ -85,7 +85,7 @@
   const uint8_t kuiDDL4 = (2 + kuiT4 + kuiT6 + (kuiT5 << 1)) >> 2;
   const uint8_t kuiDDL5 = (2 + kuiT5 + kuiT7 + (kuiT6 << 1)) >> 2;
   const uint8_t kuiDDL6 = (2 + kuiT6 + kuiT7 + (kuiT7 << 1)) >> 2;
-  ENFORCE_STACK_ALIGN_1D (uint8_t, uiV, 16, 16)	// TobeCont'd about assign opt as follows
+  ENFORCE_STACK_ALIGN_1D (uint8_t, uiV, 16, 16) // TobeCont'd about assign opt as follows
   uiV[0] = kuiDDL0;
   uiV[1] = uiV[4] = kuiDDL1;
   uiV[2] = uiV[5] = uiV[8] = kuiDDL2;
@@ -137,8 +137,8 @@
 
 TEST (GetIntraPredictorTest, TestGetI4x4LumaPredDDR) {
   const int32_t kiStride = rand() % 256 + 16;
-  const int32_t kiStride2	= kiStride << 1;
-  const int32_t kiStride3	= kiStride + kiStride2;
+  const int32_t kiStride2 = kiStride << 1;
+  const int32_t kiStride3 = kiStride + kiStride2;
 
   uint8_t* pPred = new uint8_t[64];
   uint8_t* pRef  = new uint8_t[kiStride3 + kiStride + 1];
@@ -248,7 +248,7 @@
 
   pRef++;
 
-  uint8_t* pTopLeft = &pRef[-kiStride - 1];	// top-left
+  uint8_t* pTopLeft = &pRef[-kiStride - 1]; // top-left
 
   const uint8_t kuiT0   = * (pTopLeft + 1);
   const uint8_t kuiT1   = * (pTopLeft + 2);
@@ -295,7 +295,7 @@
 
   pRef += kiStride + 1;
 
-  const uint8_t kuiLT  = pRef[-kiStride - 1];	// top-left
+  const uint8_t kuiLT  = pRef[-kiStride - 1]; // top-left
   const uint8_t kuiL0  = pRef[-1];
   const uint8_t kuiL1  = pRef[kiStride - 1];
   const uint8_t kuiL2  = pRef[kiStride2 - 1];
@@ -313,7 +313,7 @@
   const uint8_t kuiVR7 = (2 + kuiT1 + (kuiT2 << 1) + kuiT3) >> 2;
   const uint8_t kuiVR8 = (2 + kuiLT + (kuiL0 << 1) + kuiL1) >> 2;
   const uint8_t kuiVR9 = (2 + kuiL0 + (kuiL1 << 1) + kuiL2) >> 2;
-  ENFORCE_STACK_ALIGN_1D (uint8_t, uiV, 16, 16)	// TobeCont'd about assign opt as follows
+  ENFORCE_STACK_ALIGN_1D (uint8_t, uiV, 16, 16) // TobeCont'd about assign opt as follows
   uiV[0] = uiV[9] = kuiVR0;
   uiV[1] = uiV[10] = kuiVR1;
   uiV[2] = uiV[11] = kuiVR2;
@@ -362,7 +362,7 @@
   const uint8_t kuiHU3  = (kuiL12 + kuiL23) >> 2;
   const uint8_t kuiHU4  = kuiL23 >> 1;
   const uint8_t kuiHU5  = (1 + kuiL23 + (kuiL3 << 1)) >> 2;
-  ENFORCE_STACK_ALIGN_1D (uint8_t, uiV, 16, 16)	// TobeCont'd about assign opt as follows
+  ENFORCE_STACK_ALIGN_1D (uint8_t, uiV, 16, 16) // TobeCont'd about assign opt as follows
   uiV[0] = kuiHU0;
   uiV[1] = kuiHU1;
   uiV[2] = uiV[4] = kuiHU2;
@@ -395,7 +395,7 @@
 
   pRef += kiStride + 1;
 
-  const uint8_t kuiLT  = pRef[-kiStride - 1];	// top-left
+  const uint8_t kuiLT  = pRef[-kiStride - 1]; // top-left
   const uint8_t kuiL0  = pRef[-1];
   const uint8_t kuiL1  = pRef[kiStride - 1];
   const uint8_t kuiL2  = pRef[kiStride2 - 1];
@@ -413,7 +413,7 @@
   const uint8_t kuiHD7 = (2 + kuiL0 + (kuiL1 << 1) + kuiL2) >> 2;
   const uint8_t kuiHD8 = (1 + kuiL2 + kuiL3) >> 1;
   const uint8_t kuiHD9 = (2 + kuiL1 + (kuiL2 << 1) + kuiL3) >> 2;
-  ENFORCE_STACK_ALIGN_1D (uint8_t, uiV, 16, 16)	// TobeCont'd about assign opt as follows
+  ENFORCE_STACK_ALIGN_1D (uint8_t, uiV, 16, 16) // TobeCont'd about assign opt as follows
   uiV[0] = uiV[6] = kuiHD0;
   uiV[1] = uiV[7] = kuiHD1;
   uiV[2] = kuiHD2;
--- a/test/encoder/EncUT_MemoryAlloc.cpp
+++ b/test/encoder/EncUT_MemoryAlloc.cpp
@@ -30,16 +30,16 @@
   const uint32_t kuiTargetAlignSize[4] = {32, 16, 64, 8};
   const uint32_t kuiZero = 0;
   for (int i = 0; i < 4; i++) {
-    const uint32_t kuiTestAlignSize	= kuiTargetAlignSize[i];
-    const uint32_t kuiTestDataSize		= abs (rand());
+    const uint32_t kuiTestAlignSize = kuiTargetAlignSize[i];
+    const uint32_t kuiTestDataSize  = abs (rand());
 
     CMemoryAlign cTestMa (kuiTestAlignSize);
     const uint32_t uiSize = kuiTestDataSize;
     const char strUnitTestTag[100] = "pUnitTestData";
-    const uint32_t kuiUsedCacheLineSize	= ((kuiTestAlignSize == 0)
+    const uint32_t kuiUsedCacheLineSize = ((kuiTestAlignSize == 0)
                                            || (kuiTestAlignSize & 0x0F)) ? (16) : (kuiTestAlignSize);
-    const uint32_t kuiExtraAlignSize	= kuiUsedCacheLineSize - 1;
-    const uint32_t kuiExpectedSize	= sizeof (void**) + sizeof (int32_t) + kuiExtraAlignSize + uiSize;
+    const uint32_t kuiExtraAlignSize    = kuiUsedCacheLineSize - 1;
+    const uint32_t kuiExpectedSize      = sizeof (void**) + sizeof (int32_t) + kuiExtraAlignSize + uiSize;
     uint8_t* pUnitTestData = static_cast<uint8_t*> (cTestMa.WelsMalloc (uiSize, strUnitTestTag));
     if (pUnitTestData != NULL) {
       ASSERT_TRUE ((((uintptr_t) (pUnitTestData)) & kuiExtraAlignSize) == 0);
--- a/test/encoder/EncUT_MotionEstimate.cpp
+++ b/test/encoder/EncUT_MotionEstimate.cpp
@@ -41,7 +41,7 @@
     m_iWidth = 64;//size of search window
     m_iHeight = 64;//size of search window
     m_iMaxSearchBlock = 16;
-    m_uiMvdTableSize	= (1 + (648 << 1));
+    m_uiMvdTableSize = (1 + (648 << 1));
 
     pMa = new CMemoryAlign (0);
     m_pRefData = static_cast<uint8_t*>
@@ -142,9 +142,9 @@
     m_iMvRange = m_iUsageType ? EXPANDED_MV_RANGE : CAMERA_STARTMV_RANGE;
     m_iMvdRange = (m_iUsageType ? EXPANDED_MVD_RANGE : ((m_iNumDependencyLayers == 1) ? CAMERA_MVD_RANGE :
                    CAMERA_HIGHLAYER_MVD_RANGE));
-    m_uiMvdInterTableSize	= (m_iMvdRange << 2); //intepel*4=qpel
-    m_uiMvdInterTableStride	=  1 + (m_uiMvdInterTableSize << 1);//qpel_mv_range*2=(+/-);
-    m_uiMvdCacheAlignedSize	= m_uiMvdInterTableStride * sizeof (uint16_t);
+    m_uiMvdInterTableSize       = (m_iMvdRange << 2); //intepel*4=qpel
+    m_uiMvdInterTableStride     =  1 + (m_uiMvdInterTableSize << 1);//qpel_mv_range*2=(+/-);
+    m_uiMvdCacheAlignedSize     = m_uiMvdInterTableStride * sizeof (uint16_t);
 
     m_pMa = new CMemoryAlign (16);
     ASSERT_TRUE (NULL != m_pMa);
@@ -338,7 +338,7 @@
     const int32_t iCurMeBlockQpelPixX = ((iCurMeBlockPixX) << 2);
     const int32_t iCurMeBlockPixY = sMe.iCurMeBlockPixY;
     const int32_t iCurMeBlockQpelPixY = ((iCurMeBlockPixY) << 2);
-    uint16_t* pMvdCostX = sMe.pMvdCost - iCurMeBlockQpelPixX - sMe.sMvp.iMvX;	//do the offset here
+    uint16_t* pMvdCostX = sMe.pMvdCost - iCurMeBlockQpelPixX - sMe.sMvp.iMvX; //do the offset here
     uint16_t* pMvdCostY = sMe.pMvdCost - iCurMeBlockQpelPixY - sMe.sMvp.iMvY;
     uint16_t* pMvdCost = vertical ? pMvdCostY : pMvdCostX;
     int iSize = vertical ? m_iHeight : m_iWidth;
@@ -405,7 +405,7 @@
     m_iWidth = 64;//size of search window
     m_iHeight = 64;//size of search window
     m_iMaxSearchBlock = 8;
-    m_uiMvdTableSize	= (1 + (648 << 1));
+    m_uiMvdTableSize = (1 + (648 << 1));
 
     m_pMa = new CMemoryAlign (16);
     ASSERT_TRUE (NULL != m_pMa);
--- a/test/encoder/EncUT_ParameterSetStrategy.cpp
+++ b/test/encoder/EncUT_ParameterSetStrategy.cpp
@@ -16,9 +16,9 @@
     m_pSubsetArray = NULL;
 
     pMa = new CMemoryAlign (0);
-    m_pSpsArray	= (SWelsSPS*)pMa->WelsMalloc (MAX_SPS_COUNT * sizeof (SWelsSPS), "m_pSpsArray");
+    m_pSpsArray = (SWelsSPS*)pMa->WelsMalloc (MAX_SPS_COUNT * sizeof (SWelsSPS), "m_pSpsArray");
     ASSERT_TRUE (NULL != m_pSpsArray);
-    m_pSubsetArray	= (SSubsetSps*)pMa->WelsMalloc (MAX_SPS_COUNT * sizeof (SSubsetSps), "m_pSubsetArray");
+    m_pSubsetArray = (SSubsetSps*)pMa->WelsMalloc (MAX_SPS_COUNT * sizeof (SSubsetSps), "m_pSubsetArray");
     ASSERT_TRUE (NULL != m_pSubsetArray);
 
     m_pSpsArrayPointer = &m_pSpsArray[0];
@@ -33,11 +33,11 @@
   void GenerateParam (SWelsSvcCodingParam* pParam);
  public:
   CMemoryAlign* pMa;
-  SWelsSPS*						m_pSpsArray;
-  SSubsetSps*					m_pSubsetArray;
+  SWelsSPS*     m_pSpsArray;
+  SSubsetSps*   m_pSubsetArray;
 
-  SWelsSPS*						m_pSpsArrayPointer;
-  SSubsetSps*					m_pSubsetArrayPointer;
+  SWelsSPS*     m_pSpsArrayPointer;
+  SSubsetSps*   m_pSubsetArrayPointer;
 
 };
 
@@ -70,7 +70,7 @@
   int iCurSpsInUse = 1;
   m_pSpsArrayPointer = &m_pSpsArray[iCurSpsId];
 
-  pDlayerParam	= & (sParam1.sSpatialLayers[iDlayerIndex]);
+  pDlayerParam = & (sParam1.sSpatialLayers[iDlayerIndex]);
   iRet = WelsInitSps (m_pSpsArrayPointer, pDlayerParam, &sParam1.sDependencyLayers[iDlayerIndex], sParam1.uiIntraPeriod,
                       sParam1.iMaxNumRefFrame,
                       iCurSpsId, sParam1.bEnableFrameCroppingFlag, sParam1.iRCMode != RC_OFF_MODE, iDlayerCount, false);
@@ -90,7 +90,7 @@
   // add new sps
   iCurSpsId = 1;
   m_pSpsArrayPointer = &m_pSpsArray[iCurSpsId];
-  pDlayerParam	= & (sParam2.sSpatialLayers[iDlayerIndex]);
+  pDlayerParam = & (sParam2.sSpatialLayers[iDlayerIndex]);
   iRet = WelsInitSps (m_pSpsArrayPointer, pDlayerParam, &sParam2.sDependencyLayers[iDlayerIndex], sParam2.uiIntraPeriod,
                       sParam2.iMaxNumRefFrame,
                       iCurSpsId, sParam2.bEnableFrameCroppingFlag, sParam2.iRCMode != RC_OFF_MODE, iDlayerCount, false);
--- a/test/encoder/EncUT_Sample.cpp
+++ b/test/encoder/EncUT_Sample.cpp
@@ -42,7 +42,7 @@
   const int32_t iLineSizeEnc = 32; \
   int32_t tmpa, tmpb; \
   int32_t iBestMode_c, iBestMode_a, iLambda = 50; \
-  int32_t lambda[2]						= {iLambda << 2, iLambda}; \
+  int32_t lambda[2] = {iLambda << 2, iLambda}; \
   int32_t iPredMode = rand() % 3; \
   if (ASM) {\
     int32_t iCpuCores = 0; \
--- a/test/processing/ProcessUT_DownSample.cpp
+++ b/test/processing/ProcessUT_DownSample.cpp
@@ -11,11 +11,11 @@
 void DyadicBilinearDownsampler_ref (uint8_t* pDst, const int32_t kiDstStride,
                                     uint8_t* pSrc, const int32_t kiSrcStride,
                                     const int32_t kiSrcWidth, const int32_t kiSrcHeight) {
-  uint8_t* pDstLine	= pDst;
-  uint8_t* pSrcLine	= pSrc;
-  const int32_t kiSrcStridex2	= kiSrcStride << 1;
-  const int32_t kiDstWidth		= kiSrcWidth >> 1;
-  const int32_t kiDstHeight	= kiSrcHeight >> 1;
+  uint8_t* pDstLine = pDst;
+  uint8_t* pSrcLine = pSrc;
+  const int32_t kiSrcStridex2 = kiSrcStride << 1;
+  const int32_t kiDstWidth    = kiSrcWidth  >> 1;
+  const int32_t kiDstHeight   = kiSrcHeight >> 1;
 
   for (int32_t j = 0; j < kiDstHeight; j ++) {
     for (int32_t i = 0; i < kiDstWidth; i ++) {
@@ -25,8 +25,8 @@
 
       pDstLine[i] = (uint8_t) ((kiTempRow1 + kiTempRow2 + 1) >> 1);
     }
-    pDstLine	+= kiDstStride;
-    pSrcLine	+= kiSrcStridex2;
+    pDstLine += kiDstStride;
+    pSrcLine += kiSrcStridex2;
   }
 }
 
@@ -72,7 +72,7 @@
       x += 1;
       x >>= 1;
       //x = (((__int64)(SCALE_BIG - 1 - iFu))*(SCALE_BIG - 1 - fv)*a + ((__int64)iFu)*(SCALE_BIG - 1 -fv)*b + ((__int64)(SCALE_BIG - 1 -iFu))*fv*c +
-      //		 ((__int64)iFu)*fv*d + (1 << (2*SCALE_BIT_BIG-1)) ) >> (2*SCALE_BIT_BIG);
+      // ((__int64)iFu)*fv*d + (1 << (2*SCALE_BIT_BIG-1)) ) >> (2*SCALE_BIT_BIG);
       x = WELS_CLAMP (x, 0, 255);
       *pByDst++ = (uint8_t)x;