ref: 4014cdb1015967cfe4ff61a30fbd10c365924c78
dir: /codec/decoder/plus/src/welsDecoderExt.cpp/
/*!
* \copy
* Copyright (c) 2009-2013, Cisco Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*
* welsDecoderExt.cpp
*
* Abstract
* Cisco OpenH264 decoder extension utilization
*
* History
* 3/12/2009 Created
*
*
************************************************************************/
//#include <assert.h>
#include "welsDecoderExt.h"
#include "welsCodecTrace.h"
#include "codec_def.h"
#include "typedefs.h"
#include "memory_align.h"
#include "utils.h"
#include "version.h"
//#include "macros.h"
#include "decoder.h"
#include "decoder_core.h"
#include "error_concealment.h"
#include "measure_time.h"
extern "C" {
#include "decoder_core.h"
#include "manage_dec_ref.h"
}
#include "error_code.h"
#include "crt_util_safe_x.h" // Safe CRT routines like util for cross platforms
#include <time.h>
#if defined(_WIN32) /*&& defined(_DEBUG)*/
#include <windows.h>
#include <stdio.h>
#include <stdarg.h>
#include <sys/types.h>
#else
#include <sys/time.h>
#endif
#define _PICTURE_REORDERING_ 1
static int32_t sIMinInt32 = -0x7FFFFFFF;
namespace WelsDec {
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
/***************************************************************************
* Description:
* class CWelsDecoder constructor function, do initialization and
* alloc memory required
*
* Input parameters: none
*
* return: none
***************************************************************************/
CWelsDecoder::CWelsDecoder (void)
: m_pDecContext (NULL),
m_pWelsTrace (NULL),
m_iPictInfoIndex (0),
m_iMinPOC (sIMinInt32),
m_iNumOfPicts (0),
m_iLastGOPRemainPicts (0),
m_LastWrittenPOC (sIMinInt32),
m_iLargestBufferedPicIndex (0) {
#ifdef OUTPUT_BIT_STREAM
char chFileName[1024] = { 0 }; //for .264
int iBufUsed = 0;
int iBufLeft = 1023;
int iCurUsed;
char chFileNameSize[1024] = { 0 }; //for .len
int iBufUsedSize = 0;
int iBufLeftSize = 1023;
int iCurUsedSize;
#endif//OUTPUT_BIT_STREAM
m_pWelsTrace = new welsCodecTrace();
if (m_pWelsTrace != NULL) {
m_pWelsTrace->SetCodecInstance (this);
m_pWelsTrace->SetTraceLevel (WELS_LOG_ERROR);
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "CWelsDecoder::CWelsDecoder() entry");
}
for (int32_t i = 0; i < 16; ++i) {
m_sPictInfoList[i].bLastGOP = false;
m_sPictInfoList[i].iPOC = sIMinInt32;
}
#ifdef OUTPUT_BIT_STREAM
SWelsTime sCurTime;
WelsGetTimeOfDay (&sCurTime);
iCurUsed = WelsSnprintf (chFileName, iBufLeft, "bs_0x%p_", (void*)this);
iCurUsedSize = WelsSnprintf (chFileNameSize, iBufLeftSize, "size_0x%p_", (void*)this);
iBufUsed += iCurUsed;
iBufLeft -= iCurUsed;
if (iBufLeft > 0) {
iCurUsed = WelsStrftime (&chFileName[iBufUsed], iBufLeft, "%y%m%d%H%M%S", &sCurTime);
iBufUsed += iCurUsed;
iBufLeft -= iCurUsed;
}
iBufUsedSize += iCurUsedSize;
iBufLeftSize -= iCurUsedSize;
if (iBufLeftSize > 0) {
iCurUsedSize = WelsStrftime (&chFileNameSize[iBufUsedSize], iBufLeftSize, "%y%m%d%H%M%S", &sCurTime);
iBufUsedSize += iCurUsedSize;
iBufLeftSize -= iCurUsedSize;
}
if (iBufLeft > 0) {
iCurUsed = WelsSnprintf (&chFileName[iBufUsed], iBufLeft, ".%03.3u.264", WelsGetMillisecond (&sCurTime));
iBufUsed += iCurUsed;
iBufLeft -= iCurUsed;
}
if (iBufLeftSize > 0) {
iCurUsedSize = WelsSnprintf (&chFileNameSize[iBufUsedSize], iBufLeftSize, ".%03.3u.len",
WelsGetMillisecond (&sCurTime));
iBufUsedSize += iCurUsedSize;
iBufLeftSize -= iCurUsedSize;
}
m_pFBS = WelsFopen (chFileName, "wb");
m_pFBSSize = WelsFopen (chFileNameSize, "wb");
#endif//OUTPUT_BIT_STREAM
}
/***************************************************************************
* Description:
* class CWelsDecoder destructor function, destroy allocced memory
*
* Input parameters: none
*
* return: none
***************************************************************************/
CWelsDecoder::~CWelsDecoder() {
if (m_pWelsTrace != NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "CWelsDecoder::~CWelsDecoder()");
}
UninitDecoder();
#ifdef OUTPUT_BIT_STREAM
if (m_pFBS) {
WelsFclose (m_pFBS);
m_pFBS = NULL;
}
if (m_pFBSSize) {
WelsFclose (m_pFBSSize);
m_pFBSSize = NULL;
}
#endif//OUTPUT_BIT_STREAM
if (m_pWelsTrace != NULL) {
delete m_pWelsTrace;
m_pWelsTrace = NULL;
}
}
long CWelsDecoder::Initialize (const SDecodingParam* pParam) {
int iRet = ERR_NONE;
if (m_pWelsTrace == NULL) {
return cmMallocMemeError;
}
if (pParam == NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR, "CWelsDecoder::Initialize(), invalid input argument.");
return cmInitParaError;
}
// H.264 decoder initialization,including memory allocation,then open it ready to decode
iRet = InitDecoder (pParam);
if (iRet)
return iRet;
return cmResultSuccess;
}
long CWelsDecoder::Uninitialize() {
UninitDecoder();
return ERR_NONE;
}
void CWelsDecoder::UninitDecoder (void) {
if (NULL == m_pDecContext)
return;
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "CWelsDecoder::UninitDecoder(), openh264 codec version = %s.",
VERSION_NUMBER);
WelsEndDecoder (m_pDecContext);
if (m_pDecContext->pMemAlign != NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
"CWelsDecoder::UninitDecoder(), verify memory usage (%d bytes) after free..",
m_pDecContext->pMemAlign->WelsGetMemoryUsage());
delete m_pDecContext->pMemAlign;
m_pDecContext->pMemAlign = NULL;
}
if (NULL != m_pDecContext) {
WelsFree (m_pDecContext, "m_pDecContext");
m_pDecContext = NULL;
}
}
// the return value of this function is not suitable, it need report failure info to upper layer.
int32_t CWelsDecoder::InitDecoder (const SDecodingParam* pParam) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
"CWelsDecoder::init_decoder(), openh264 codec version = %s, ParseOnly = %d",
VERSION_NUMBER, (int32_t)pParam->bParseOnly);
//reset decoder context
if (m_pDecContext) //free
UninitDecoder();
m_pDecContext = (PWelsDecoderContext)WelsMallocz (sizeof (SWelsDecoderContext), "m_pDecContext");
if (NULL == m_pDecContext)
return cmMallocMemeError;
int32_t iCacheLineSize = 16; // on chip cache line size in byte
m_pDecContext->pMemAlign = new CMemoryAlign (iCacheLineSize);
WELS_VERIFY_RETURN_PROC_IF (cmMallocMemeError, (NULL == m_pDecContext->pMemAlign), UninitDecoder())
//fill in default value into context
WelsDecoderDefaults (m_pDecContext, &m_pWelsTrace->m_sLogCtx);
//check param and update decoder context
m_pDecContext->pParam = (SDecodingParam*)m_pDecContext->pMemAlign->WelsMallocz (sizeof (SDecodingParam),
"SDecodingParam");
WELS_VERIFY_RETURN_PROC_IF (cmMallocMemeError, (NULL == m_pDecContext->pParam), UninitDecoder());
int32_t iRet = DecoderConfigParam (m_pDecContext, pParam);
WELS_VERIFY_RETURN_IFNEQ (iRet, cmResultSuccess);
//init decoder
WELS_VERIFY_RETURN_PROC_IF (cmMallocMemeError, WelsInitDecoder (m_pDecContext, &m_pWelsTrace->m_sLogCtx),
UninitDecoder())
return cmResultSuccess;
}
int32_t CWelsDecoder::ResetDecoder() {
// TBC: need to be modified when context and trace point are null
if (m_pDecContext != NULL && m_pWelsTrace != NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "ResetDecoder(), context error code is %d",
m_pDecContext->iErrorCode);
SDecodingParam sPrevParam;
memcpy (&sPrevParam, m_pDecContext->pParam, sizeof (SDecodingParam));
WELS_VERIFY_RETURN_PROC_IF (cmInitParaError, InitDecoder (&sPrevParam), UninitDecoder());
} else if (m_pWelsTrace != NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR, "ResetDecoder() failed as decoder context null");
}
#ifdef _PICTURE_REORDERING_
ResetReorderingPictureBuffers();
#endif
return ERR_INFO_UNINIT;
}
/*
* Set Option
*/
long CWelsDecoder::SetOption (DECODER_OPTION eOptID, void* pOption) {
int iVal = 0;
if (m_pDecContext == NULL && eOptID != DECODER_OPTION_TRACE_LEVEL &&
eOptID != DECODER_OPTION_TRACE_CALLBACK && eOptID != DECODER_OPTION_TRACE_CALLBACK_CONTEXT)
return dsInitialOptExpected;
if (eOptID == DECODER_OPTION_END_OF_STREAM) { // Indicate bit-stream of the final frame to be decoded
if (pOption == NULL)
return cmInitParaError;
iVal = * ((int*)pOption); // boolean value for whether enabled End Of Stream flag
m_pDecContext->bEndOfStreamFlag = iVal ? true : false;
return cmResultSuccess;
} else if (eOptID == DECODER_OPTION_ERROR_CON_IDC) { // Indicate error concealment status
if (pOption == NULL)
return cmInitParaError;
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);
if ((m_pDecContext->pParam->bParseOnly) && (iVal != (int32_t)ERROR_CON_DISABLE)) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
"CWelsDecoder::SetOption for ERROR_CON_IDC = %d not allowd for parse only!.", iVal);
return cmInitParaError;
}
m_pDecContext->pParam->eEcActiveIdc = (ERROR_CON_IDC)iVal;
InitErrorCon (m_pDecContext);
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
"CWelsDecoder::SetOption for ERROR_CON_IDC = %d.", iVal);
return cmResultSuccess;
} else if (eOptID == DECODER_OPTION_TRACE_LEVEL) {
if (m_pWelsTrace) {
uint32_t level = * ((uint32_t*)pOption);
m_pWelsTrace->SetTraceLevel (level);
}
return cmResultSuccess;
} else if (eOptID == DECODER_OPTION_TRACE_CALLBACK) {
if (m_pWelsTrace) {
WelsTraceCallback callback = * ((WelsTraceCallback*)pOption);
m_pWelsTrace->SetTraceCallback (callback);
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
"CWelsDecoder::SetOption():DECODER_OPTION_TRACE_CALLBACK callback = %p.",
callback);
}
return cmResultSuccess;
} else if (eOptID == DECODER_OPTION_TRACE_CALLBACK_CONTEXT) {
if (m_pWelsTrace) {
void* ctx = * ((void**)pOption);
m_pWelsTrace->SetTraceCallbackContext (ctx);
}
return cmResultSuccess;
} else if (eOptID == DECODER_OPTION_GET_STATISTICS) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_WARNING,
"CWelsDecoder::SetOption():DECODER_OPTION_GET_STATISTICS: this option is get-only!");
return cmInitParaError;
} else if (eOptID == DECODER_OPTION_STATISTICS_LOG_INTERVAL) {
if (pOption) {
m_pDecContext->sDecoderStatistics.iStatisticsLogInterval = (* ((unsigned int*)pOption));
return cmResultSuccess;
}
} else if (eOptID == DECODER_OPTION_GET_SAR_INFO) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_WARNING,
"CWelsDecoder::SetOption():DECODER_OPTION_GET_SAR_INFO: this option is get-only!");
return cmInitParaError;
}
return cmInitParaError;
}
/*
* Get Option
*/
long CWelsDecoder::GetOption (DECODER_OPTION eOptID, void* pOption) {
int iVal = 0;
if (m_pDecContext == NULL)
return cmInitExpected;
if (pOption == NULL)
return cmInitParaError;
if (DECODER_OPTION_END_OF_STREAM == eOptID) {
iVal = m_pDecContext->bEndOfStreamFlag;
* ((int*)pOption) = iVal;
return cmResultSuccess;
}
#ifdef LONG_TERM_REF
else if (DECODER_OPTION_IDR_PIC_ID == eOptID) {
iVal = m_pDecContext->uiCurIdrPicId;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_FRAME_NUM == eOptID) {
iVal = m_pDecContext->iFrameNum;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_LTR_MARKING_FLAG == eOptID) {
iVal = m_pDecContext->bCurAuContainLtrMarkSeFlag;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_LTR_MARKED_FRAME_NUM == eOptID) {
iVal = m_pDecContext->iFrameNumOfAuMarkedLtr;
* ((int*)pOption) = iVal;
return cmResultSuccess;
}
#endif
else if (DECODER_OPTION_VCL_NAL == eOptID) { //feedback whether or not have VCL NAL in current AU
iVal = m_pDecContext->iFeedbackVclNalInAu;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_TEMPORAL_ID == eOptID) { //if have VCL NAL in current AU, then feedback the temporal ID
iVal = m_pDecContext->iFeedbackTidInAu;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_IS_REF_PIC == eOptID) {
iVal = m_pDecContext->iFeedbackNalRefIdc;
if (iVal > 0)
iVal = 1;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_ERROR_CON_IDC == eOptID) {
iVal = (int)m_pDecContext->pParam->eEcActiveIdc;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_GET_STATISTICS == eOptID) { // get decoder statistics info for real time debugging
SDecoderStatistics* pDecoderStatistics = (static_cast<SDecoderStatistics*> (pOption));
memcpy (pDecoderStatistics, &m_pDecContext->sDecoderStatistics, sizeof (SDecoderStatistics));
if (m_pDecContext->sDecoderStatistics.uiDecodedFrameCount != 0) { //not original status
pDecoderStatistics->fAverageFrameSpeedInMs = (float) (m_pDecContext->dDecTime) /
(m_pDecContext->sDecoderStatistics.uiDecodedFrameCount);
pDecoderStatistics->fActualAverageFrameSpeedInMs = (float) (m_pDecContext->dDecTime) /
(m_pDecContext->sDecoderStatistics.uiDecodedFrameCount + m_pDecContext->sDecoderStatistics.uiFreezingIDRNum +
m_pDecContext->sDecoderStatistics.uiFreezingNonIDRNum);
}
return cmResultSuccess;
} else if (eOptID == DECODER_OPTION_STATISTICS_LOG_INTERVAL) {
if (pOption) {
iVal = m_pDecContext->sDecoderStatistics.iStatisticsLogInterval;
* ((unsigned int*)pOption) = iVal;
return cmResultSuccess;
}
} else if (DECODER_OPTION_GET_SAR_INFO == eOptID) { //get decoder SAR info in VUI
PVuiSarInfo pVuiSarInfo = (static_cast<PVuiSarInfo> (pOption));
memset (pVuiSarInfo, 0, sizeof (SVuiSarInfo));
if (!m_pDecContext->pSps) {
return cmInitExpected;
} else {
pVuiSarInfo->uiSarWidth = m_pDecContext->pSps->sVui.uiSarWidth;
pVuiSarInfo->uiSarHeight = m_pDecContext->pSps->sVui.uiSarHeight;
pVuiSarInfo->bOverscanAppropriateFlag = m_pDecContext->pSps->sVui.bOverscanAppropriateFlag;
return cmResultSuccess;
}
} else if (DECODER_OPTION_PROFILE == eOptID) {
if (!m_pDecContext->pSps) {
return cmInitExpected;
}
iVal = (int)m_pDecContext->pSps->uiProfileIdc;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_LEVEL == eOptID) {
if (!m_pDecContext->pSps) {
return cmInitExpected;
}
iVal = (int)m_pDecContext->pSps->uiLevelIdc;
* ((int*)pOption) = iVal;
return cmResultSuccess;
} else if (DECODER_OPTION_NUM_OF_FRAMES_REMAINING_IN_BUFFER == eOptID) {
if (m_pDecContext->pSps && m_pDecContext->pSps->uiProfileIdc != 66) {
* ((int*)pOption) = m_iNumOfPicts > 0 ? m_iNumOfPicts : 0;
} else {
* ((int*)pOption) = 0;
}
return cmResultSuccess;
}
return cmInitParaError;
}
DECODING_STATE CWelsDecoder::DecodeFrameNoDelay (const unsigned char* kpSrc,
const int kiSrcLen,
unsigned char** ppDst,
SBufferInfo* pDstInfo) {
int iRet;
//SBufferInfo sTmpBufferInfo;
//unsigned char* ppTmpDst[3] = {NULL, NULL, NULL};
iRet = (int)DecodeFrame2 (kpSrc, kiSrcLen, ppDst, pDstInfo);
//memcpy (&sTmpBufferInfo, pDstInfo, sizeof (SBufferInfo));
//ppTmpDst[0] = ppDst[0];
//ppTmpDst[1] = ppDst[1];
//ppTmpDst[2] = ppDst[2];
iRet |= DecodeFrame2 (NULL, 0, ppDst, pDstInfo);
//if ((pDstInfo->iBufferStatus == 0) && (sTmpBufferInfo.iBufferStatus == 1)) {
//memcpy (pDstInfo, &sTmpBufferInfo, sizeof (SBufferInfo));
//ppDst[0] = ppTmpDst[0];
//ppDst[1] = ppTmpDst[1];
//ppDst[2] = ppTmpDst[2];
//}
return (DECODING_STATE)iRet;
}
DECODING_STATE CWelsDecoder::DecodeFrame2 (const unsigned char* kpSrc,
const int kiSrcLen,
unsigned char** ppDst,
SBufferInfo* pDstInfo) {
if (m_pDecContext == NULL || m_pDecContext->pParam == NULL) {
if (m_pWelsTrace != NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR, "Call DecodeFrame2 without Initialize.\n");
}
return dsInitialOptExpected;
}
if (m_pDecContext->pParam->bParseOnly) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR, "bParseOnly should be false for this API calling! \n");
m_pDecContext->iErrorCode |= dsInvalidArgument;
return dsInvalidArgument;
}
if (CheckBsBuffer (m_pDecContext, kiSrcLen)) {
if (ResetDecoder())
return dsOutOfMemory;
return dsErrorFree;
}
if (kiSrcLen > 0 && kpSrc != NULL) {
#ifdef OUTPUT_BIT_STREAM
if (m_pFBS) {
WelsFwrite (kpSrc, sizeof (unsigned char), kiSrcLen, m_pFBS);
WelsFflush (m_pFBS);
}
if (m_pFBSSize) {
WelsFwrite (&kiSrcLen, sizeof (int), 1, m_pFBSSize);
WelsFflush (m_pFBSSize);
}
#endif//OUTPUT_BIT_STREAM
m_pDecContext->bEndOfStreamFlag = false;
} else {
//For application MODE, the error detection should be added for safe.
//But for CONSOLE MODE, when decoding LAST AU, kiSrcLen==0 && kpSrc==NULL.
m_pDecContext->bEndOfStreamFlag = true;
m_pDecContext->bInstantDecFlag = true;
}
int64_t iStart, iEnd;
iStart = WelsTime();
ppDst[0] = ppDst[1] = ppDst[2] = NULL;
m_pDecContext->iErrorCode = dsErrorFree; //initialize at the starting of AU decoding.
m_pDecContext->iFeedbackVclNalInAu = FEEDBACK_UNKNOWN_NAL; //initialize
unsigned long long uiInBsTimeStamp = pDstInfo->uiInBsTimeStamp;
memset (pDstInfo, 0, sizeof (SBufferInfo));
pDstInfo->uiInBsTimeStamp = uiInBsTimeStamp;
#ifdef LONG_TERM_REF
m_pDecContext->bReferenceLostAtT0Flag = false; //initialize for LTR
m_pDecContext->bCurAuContainLtrMarkSeFlag = false;
m_pDecContext->iFrameNumOfAuMarkedLtr = 0;
m_pDecContext->iFrameNum = -1; //initialize
#endif
m_pDecContext->iFeedbackTidInAu = -1; //initialize
m_pDecContext->iFeedbackNalRefIdc = -1; //initialize
if (pDstInfo) {
pDstInfo->uiOutYuvTimeStamp = 0;
m_pDecContext->uiTimeStamp = pDstInfo->uiInBsTimeStamp;
} else {
m_pDecContext->uiTimeStamp = 0;
}
WelsDecodeBs (m_pDecContext, kpSrc, kiSrcLen, ppDst,
pDstInfo, NULL); //iErrorCode has been modified in this function
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
eNalType = m_pDecContext->sCurNalHead.eNalUnitType;
if (m_pDecContext->iErrorCode & dsOutOfMemory) {
if (ResetDecoder()) {
return dsOutOfMemory;
}
return dsErrorFree;
}
if (m_pDecContext->iErrorCode & dsRefListNullPtrs) {
if (ResetDecoder()) {
return dsRefListNullPtrs;
}
return dsErrorFree;
}
if ((m_pDecContext->iErrorCode & (dsBitstreamError | dsDataErrorConcealed)) && m_pDecContext->eSliceType == B_SLICE) {
if (ResetDecoder()) {
pDstInfo->iBufferStatus = 0;
return (DECODING_STATE)m_pDecContext->iErrorCode;
}
return dsErrorFree;
}
//for AVC bitstream (excluding AVC with temporal scalability, including TP), as long as error occur, SHOULD notify upper layer key frame loss.
if ((IS_PARAM_SETS_NALS (eNalType) || NAL_UNIT_CODED_SLICE_IDR == eNalType) ||
(VIDEO_BITSTREAM_AVC == m_pDecContext->eVideoType)) {
if (m_pDecContext->pParam->eEcActiveIdc == ERROR_CON_DISABLE) {
#ifdef LONG_TERM_REF
m_pDecContext->bParamSetsLostFlag = true;
#else
m_pDecContext->bReferenceLostAtT0Flag = true;
#endif
}
}
if (m_pDecContext->bPrintFrameErrorTraceFlag) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "decode failed, failure type:%d \n",
m_pDecContext->iErrorCode);
m_pDecContext->bPrintFrameErrorTraceFlag = false;
} else {
m_pDecContext->iIgnoredErrorInfoPacketCount++;
if (m_pDecContext->iIgnoredErrorInfoPacketCount == INT_MAX) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_WARNING, "continuous error reached INT_MAX! Restart as 0.");
m_pDecContext->iIgnoredErrorInfoPacketCount = 0;
}
}
if ((m_pDecContext->pParam->eEcActiveIdc != ERROR_CON_DISABLE) && (pDstInfo->iBufferStatus == 1)) {
//TODO after dec status updated
m_pDecContext->iErrorCode |= dsDataErrorConcealed;
m_pDecContext->sDecoderStatistics.uiDecodedFrameCount++;
if (m_pDecContext->sDecoderStatistics.uiDecodedFrameCount == 0) { //exceed max value of uint32_t
ResetDecStatNums (&m_pDecContext->sDecoderStatistics);
m_pDecContext->sDecoderStatistics.uiDecodedFrameCount++;
}
int32_t iMbConcealedNum = m_pDecContext->iMbEcedNum + m_pDecContext->iMbEcedPropNum;
m_pDecContext->sDecoderStatistics.uiAvgEcRatio = m_pDecContext->iMbNum == 0 ?
(m_pDecContext->sDecoderStatistics.uiAvgEcRatio * m_pDecContext->sDecoderStatistics.uiEcFrameNum) : ((
m_pDecContext->sDecoderStatistics.uiAvgEcRatio * m_pDecContext->sDecoderStatistics.uiEcFrameNum) + ((
iMbConcealedNum * 100) / m_pDecContext->iMbNum));
m_pDecContext->sDecoderStatistics.uiAvgEcPropRatio = m_pDecContext->iMbNum == 0 ?
(m_pDecContext->sDecoderStatistics.uiAvgEcPropRatio * m_pDecContext->sDecoderStatistics.uiEcFrameNum) : ((
m_pDecContext->sDecoderStatistics.uiAvgEcPropRatio * m_pDecContext->sDecoderStatistics.uiEcFrameNum) + ((
m_pDecContext->iMbEcedPropNum * 100) / m_pDecContext->iMbNum));
m_pDecContext->sDecoderStatistics.uiEcFrameNum += (iMbConcealedNum == 0 ? 0 : 1);
m_pDecContext->sDecoderStatistics.uiAvgEcRatio = m_pDecContext->sDecoderStatistics.uiEcFrameNum == 0 ? 0 :
m_pDecContext->sDecoderStatistics.uiAvgEcRatio / m_pDecContext->sDecoderStatistics.uiEcFrameNum;
m_pDecContext->sDecoderStatistics.uiAvgEcPropRatio = m_pDecContext->sDecoderStatistics.uiEcFrameNum == 0 ? 0 :
m_pDecContext->sDecoderStatistics.uiAvgEcPropRatio / m_pDecContext->sDecoderStatistics.uiEcFrameNum;
}
iEnd = WelsTime();
m_pDecContext->dDecTime += (iEnd - iStart) / 1e3;
OutputStatisticsLog (m_pDecContext->sDecoderStatistics);
#ifdef _PICTURE_REORDERING_
ReorderPicturesInDisplay (ppDst, pDstInfo);
#endif
return (DECODING_STATE)m_pDecContext->iErrorCode;
}
// else Error free, the current codec works well
if (pDstInfo->iBufferStatus == 1) {
m_pDecContext->sDecoderStatistics.uiDecodedFrameCount++;
if (m_pDecContext->sDecoderStatistics.uiDecodedFrameCount == 0) { //exceed max value of uint32_t
ResetDecStatNums (&m_pDecContext->sDecoderStatistics);
m_pDecContext->sDecoderStatistics.uiDecodedFrameCount++;
}
OutputStatisticsLog (m_pDecContext->sDecoderStatistics);
}
iEnd = WelsTime();
m_pDecContext->dDecTime += (iEnd - iStart) / 1e3;
#ifdef _PICTURE_REORDERING_
ReorderPicturesInDisplay (ppDst, pDstInfo);
#endif
return dsErrorFree;
}
DECODING_STATE CWelsDecoder::FlushFrame (unsigned char** ppDst,
SBufferInfo* pDstInfo) {
if (m_pDecContext->bEndOfStreamFlag && m_iNumOfPicts > 0) {
m_iMinPOC = sIMinInt32;
for (int32_t i = 0; i <= m_iLargestBufferedPicIndex; ++i) {
if (m_iMinPOC == sIMinInt32 && m_sPictInfoList[i].iPOC > sIMinInt32) {
m_iMinPOC = m_sPictInfoList[i].iPOC;
m_iPictInfoIndex = i;
}
if (m_sPictInfoList[i].iPOC > sIMinInt32 && m_sPictInfoList[i].iPOC < m_iMinPOC) {
m_iMinPOC = m_sPictInfoList[i].iPOC;
m_iPictInfoIndex = i;
}
}
}
if (m_iMinPOC > sIMinInt32) {
m_LastWrittenPOC = m_iMinPOC;
#if defined (_DEBUG)
#ifdef _MOTION_VECTOR_DUMP_
fprintf (stderr, "Output POC: #%d\n", m_LastWrittenPOC);
#endif
#endif
memcpy (pDstInfo, &m_sPictInfoList[m_iPictInfoIndex].sBufferInfo, sizeof (SBufferInfo));
ppDst[0] = m_sPictInfoList[m_iPictInfoIndex].pData[0];
ppDst[1] = m_sPictInfoList[m_iPictInfoIndex].pData[1];
ppDst[2] = m_sPictInfoList[m_iPictInfoIndex].pData[2];
m_sPictInfoList[m_iPictInfoIndex].iPOC = sIMinInt32;
if (m_sPictInfoList[m_iPictInfoIndex].iPicBuffIdx < m_pDecContext->pPicBuff->iCapacity)
m_pDecContext->pPicBuff->ppPic[m_sPictInfoList[m_iPictInfoIndex].iPicBuffIdx]->bAvailableFlag = true;
m_sPictInfoList[m_iPictInfoIndex].bLastGOP = false;
m_iMinPOC = sIMinInt32;
--m_iNumOfPicts;
}
return dsErrorFree;
}
void CWelsDecoder::OutputStatisticsLog (SDecoderStatistics& sDecoderStatistics) {
if ((sDecoderStatistics.uiDecodedFrameCount > 0) && (sDecoderStatistics.iStatisticsLogInterval > 0)
&& ((sDecoderStatistics.uiDecodedFrameCount % sDecoderStatistics.iStatisticsLogInterval) == 0)) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO,
"DecoderStatistics: uiWidth=%d, uiHeight=%d, fAverageFrameSpeedInMs=%.1f, fActualAverageFrameSpeedInMs=%.1f, \
uiDecodedFrameCount=%d, uiResolutionChangeTimes=%d, uiIDRCorrectNum=%d, \
uiAvgEcRatio=%d, uiAvgEcPropRatio=%d, uiEcIDRNum=%d, uiEcFrameNum=%d, \
uiIDRLostNum=%d, uiFreezingIDRNum=%d, uiFreezingNonIDRNum=%d, iAvgLumaQp=%d, \
iSpsReportErrorNum=%d, iSubSpsReportErrorNum=%d, iPpsReportErrorNum=%d, iSpsNoExistNalNum=%d, iSubSpsNoExistNalNum=%d, iPpsNoExistNalNum=%d, \
uiProfile=%d, uiLevel=%d, \
iCurrentActiveSpsId=%d, iCurrentActivePpsId=%d,",
sDecoderStatistics.uiWidth,
sDecoderStatistics.uiHeight,
sDecoderStatistics.fAverageFrameSpeedInMs,
sDecoderStatistics.fActualAverageFrameSpeedInMs,
sDecoderStatistics.uiDecodedFrameCount,
sDecoderStatistics.uiResolutionChangeTimes,
sDecoderStatistics.uiIDRCorrectNum,
sDecoderStatistics.uiAvgEcRatio,
sDecoderStatistics.uiAvgEcPropRatio,
sDecoderStatistics.uiEcIDRNum,
sDecoderStatistics.uiEcFrameNum,
sDecoderStatistics.uiIDRLostNum,
sDecoderStatistics.uiFreezingIDRNum,
sDecoderStatistics.uiFreezingNonIDRNum,
sDecoderStatistics.iAvgLumaQp,
sDecoderStatistics.iSpsReportErrorNum,
sDecoderStatistics.iSubSpsReportErrorNum,
sDecoderStatistics.iPpsReportErrorNum,
sDecoderStatistics.iSpsNoExistNalNum,
sDecoderStatistics.iSubSpsNoExistNalNum,
sDecoderStatistics.iPpsNoExistNalNum,
sDecoderStatistics.uiProfile,
sDecoderStatistics.uiLevel,
sDecoderStatistics.iCurrentActiveSpsId,
sDecoderStatistics.iCurrentActivePpsId);
}
}
DECODING_STATE CWelsDecoder::ReorderPicturesInDisplay (unsigned char** ppDst, SBufferInfo* pDstInfo) {
DECODING_STATE iRet = dsErrorFree;
if (pDstInfo->iBufferStatus == 1 && m_pDecContext->pSps->uiProfileIdc != 66
&& m_pDecContext->pSps->uiProfileIdc != 83) {
/*if (m_pDecContext->pSliceHeader->iPicOrderCntLsb == 0) {
m_LastWrittenPOC = 0;
return dsErrorFree;
}
if (m_iNumOfPicts == 0 && m_pDecContext->pPreviousDecodedPictureInDpb->bNewSeqBegin
&& m_pDecContext->eSliceType != I_SLICE) {
m_LastWrittenPOC = m_pDecContext->pSliceHeader->iPicOrderCntLsb;
return dsErrorFree;
}*/
if (m_iNumOfPicts && m_pDecContext->pPreviousDecodedPictureInDpb
&& m_pDecContext->pPreviousDecodedPictureInDpb->bNewSeqBegin) {
m_iLastGOPRemainPicts = m_iNumOfPicts;
for (int32_t i = 0; i <= m_iLargestBufferedPicIndex; ++i) {
if (m_sPictInfoList[i].iPOC > sIMinInt32) {
m_sPictInfoList[i].bLastGOP = true;
}
}
} else {
if (m_iNumOfPicts > 0) {
//This can happen when decoder moves to next GOP without being able to decoder first picture PicOrderCntLsb = 0
bool hasGOPChanged = false;
for (int32_t i = 0; i <= m_iLargestBufferedPicIndex; ++i) {
if (m_sPictInfoList[i].iPOC == m_pDecContext->pSliceHeader->iPicOrderCntLsb) {
hasGOPChanged = true;
break;
}
}
if (hasGOPChanged) {
m_iLastGOPRemainPicts = m_iNumOfPicts;
for (int32_t i = 0; i <= m_iLargestBufferedPicIndex; ++i) {
if (m_sPictInfoList[i].iPOC > sIMinInt32) {
m_sPictInfoList[i].bLastGOP = true;
}
}
}
}
}
for (int32_t i = 0; i < 16; ++i) {
if (m_sPictInfoList[i].iPOC == sIMinInt32) {
memcpy (&m_sPictInfoList[i].sBufferInfo, pDstInfo, sizeof (SBufferInfo));
m_sPictInfoList[i].pData[0] = ppDst[0];
m_sPictInfoList[i].pData[1] = ppDst[1];
m_sPictInfoList[i].pData[2] = ppDst[2];
m_sPictInfoList[i].iPOC = m_pDecContext->pSliceHeader->iPicOrderCntLsb;
m_sPictInfoList[i].iPicBuffIdx = m_pDecContext->pPicBuff->iCurrentIdx;
m_pDecContext->pPicBuff->ppPic[m_sPictInfoList[i].iPicBuffIdx]->bAvailableFlag = false;
m_sPictInfoList[i].bLastGOP = false;
pDstInfo->iBufferStatus = 0;
++m_iNumOfPicts;
if (i > m_iLargestBufferedPicIndex) {
m_iLargestBufferedPicIndex = i;
}
break;
}
}
if (m_iLastGOPRemainPicts > 0) {
m_iMinPOC = sIMinInt32;
for (int32_t i = 0; i <= m_iLargestBufferedPicIndex; ++i) {
if (m_iMinPOC == sIMinInt32 && m_sPictInfoList[i].iPOC > sIMinInt32 && m_sPictInfoList[i].bLastGOP) {
m_iMinPOC = m_sPictInfoList[i].iPOC;
m_iPictInfoIndex = i;
}
if (m_sPictInfoList[i].iPOC > sIMinInt32 && m_sPictInfoList[i].iPOC < m_iMinPOC && m_sPictInfoList[i].bLastGOP) {
m_iMinPOC = m_sPictInfoList[i].iPOC;
m_iPictInfoIndex = i;
}
}
m_LastWrittenPOC = m_iMinPOC;
#if defined (_DEBUG)
#ifdef _MOTION_VECTOR_DUMP_
fprintf (stderr, "Output POC: #%d\n", m_LastWrittenPOC);
#endif
#endif
memcpy (pDstInfo, &m_sPictInfoList[m_iPictInfoIndex].sBufferInfo, sizeof (SBufferInfo));
ppDst[0] = m_sPictInfoList[m_iPictInfoIndex].pData[0];
ppDst[1] = m_sPictInfoList[m_iPictInfoIndex].pData[1];
ppDst[2] = m_sPictInfoList[m_iPictInfoIndex].pData[2];
m_sPictInfoList[m_iPictInfoIndex].iPOC = sIMinInt32;
if (m_sPictInfoList[m_iPictInfoIndex].iPicBuffIdx < m_pDecContext->pPicBuff->iCapacity)
m_pDecContext->pPicBuff->ppPic[m_sPictInfoList[m_iPictInfoIndex].iPicBuffIdx]->bAvailableFlag = true;
m_sPictInfoList[m_iPictInfoIndex].bLastGOP = false;
m_iMinPOC = sIMinInt32;
--m_iNumOfPicts;
--m_iLastGOPRemainPicts;
if (m_iLastGOPRemainPicts == 0) {
m_LastWrittenPOC = sIMinInt32;
}
return iRet;
}
if (m_iNumOfPicts > 0) {
m_iMinPOC = sIMinInt32;
for (int32_t i = 0; i <= m_iLargestBufferedPicIndex; ++i) {
if (m_iMinPOC == sIMinInt32 && m_sPictInfoList[i].iPOC > sIMinInt32) {
m_iMinPOC = m_sPictInfoList[i].iPOC;
m_iPictInfoIndex = i;
}
if (m_sPictInfoList[i].iPOC > sIMinInt32 && m_sPictInfoList[i].iPOC < m_iMinPOC) {
m_iMinPOC = m_sPictInfoList[i].iPOC;
m_iPictInfoIndex = i;
}
}
}
if (m_iMinPOC > sIMinInt32) {
if ((m_LastWrittenPOC > sIMinInt32 && m_iMinPOC - m_LastWrittenPOC <= 1)
|| m_iMinPOC < m_pDecContext->pSliceHeader->iPicOrderCntLsb) {
m_LastWrittenPOC = m_iMinPOC;
#if defined (_DEBUG)
#ifdef _MOTION_VECTOR_DUMP_
fprintf (stderr, "Output POC: #%d\n", m_LastWrittenPOC);
#endif
#endif
memcpy (pDstInfo, &m_sPictInfoList[m_iPictInfoIndex].sBufferInfo, sizeof (SBufferInfo));
ppDst[0] = m_sPictInfoList[m_iPictInfoIndex].pData[0];
ppDst[1] = m_sPictInfoList[m_iPictInfoIndex].pData[1];
ppDst[2] = m_sPictInfoList[m_iPictInfoIndex].pData[2];
m_sPictInfoList[m_iPictInfoIndex].iPOC = sIMinInt32;
if (m_sPictInfoList[m_iPictInfoIndex].iPicBuffIdx < m_pDecContext->pPicBuff->iCapacity)
m_pDecContext->pPicBuff->ppPic[m_sPictInfoList[m_iPictInfoIndex].iPicBuffIdx]->bAvailableFlag = true;
m_sPictInfoList[m_iPictInfoIndex].bLastGOP = false;
m_iMinPOC = sIMinInt32;
--m_iNumOfPicts;
return iRet;
}
}
}
return iRet;
}
DECODING_STATE CWelsDecoder::DecodeParser (const unsigned char* kpSrc,
const int kiSrcLen,
SParserBsInfo* pDstInfo) {
if (m_pDecContext == NULL || m_pDecContext->pParam == NULL) {
if (m_pWelsTrace != NULL) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR, "Call DecodeParser without Initialize.\n");
}
return dsInitialOptExpected;
}
if (!m_pDecContext->pParam->bParseOnly) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_ERROR, "bParseOnly should be true for this API calling! \n");
m_pDecContext->iErrorCode |= dsInvalidArgument;
return dsInvalidArgument;
}
int64_t iEnd, iStart = WelsTime();
if (CheckBsBuffer (m_pDecContext, kiSrcLen)) {
if (ResetDecoder())
return dsOutOfMemory;
return dsErrorFree;
}
if (kiSrcLen > 0 && kpSrc != NULL) {
#ifdef OUTPUT_BITSTREAM
if (m_pFBS) {
WelsFwrite (kpSrc, sizeof (unsigned char), kiSrcLen, m_pFBS);
WelsFflush (m_pFBS);
}
#endif//OUTPUT_BIT_STREAM
m_pDecContext->bEndOfStreamFlag = false;
} else {
//For application MODE, the error detection should be added for safe.
//But for CONSOLE MODE, when decoding LAST AU, kiSrcLen==0 && kpSrc==NULL.
m_pDecContext->bEndOfStreamFlag = true;
m_pDecContext->bInstantDecFlag = true;
}
m_pDecContext->iErrorCode = dsErrorFree; //initialize at the starting of AU decoding.
m_pDecContext->pParam->eEcActiveIdc = ERROR_CON_DISABLE; //add protection to disable EC here.
m_pDecContext->iFeedbackNalRefIdc = -1; //initialize
if (!m_pDecContext->bFramePending) { //frame complete
m_pDecContext->pParserBsInfo->iNalNum = 0;
memset (m_pDecContext->pParserBsInfo->pNalLenInByte, 0, MAX_NAL_UNITS_IN_LAYER);
}
pDstInfo->iNalNum = 0;
pDstInfo->iSpsWidthInPixel = pDstInfo->iSpsHeightInPixel = 0;
if (pDstInfo) {
m_pDecContext->uiTimeStamp = pDstInfo->uiInBsTimeStamp;
pDstInfo->uiOutBsTimeStamp = 0;
} else {
m_pDecContext->uiTimeStamp = 0;
}
WelsDecodeBs (m_pDecContext, kpSrc, kiSrcLen, NULL, NULL, pDstInfo);
if (m_pDecContext->iErrorCode & dsOutOfMemory) {
if (ResetDecoder())
return dsOutOfMemory;
return dsErrorFree;
}
if (!m_pDecContext->bFramePending && m_pDecContext->pParserBsInfo->iNalNum) {
memcpy (pDstInfo, m_pDecContext->pParserBsInfo, sizeof (SParserBsInfo));
if (m_pDecContext->iErrorCode == ERR_NONE) { //update statistics: decoding frame count
m_pDecContext->sDecoderStatistics.uiDecodedFrameCount++;
if (m_pDecContext->sDecoderStatistics.uiDecodedFrameCount == 0) { //exceed max value of uint32_t
ResetDecStatNums (&m_pDecContext->sDecoderStatistics);
m_pDecContext->sDecoderStatistics.uiDecodedFrameCount++;
}
}
}
m_pDecContext->bInstantDecFlag = false; //reset no-delay flag
if (m_pDecContext->iErrorCode && m_pDecContext->bPrintFrameErrorTraceFlag) {
WelsLog (&m_pWelsTrace->m_sLogCtx, WELS_LOG_INFO, "decode failed, failure type:%d \n", m_pDecContext->iErrorCode);
m_pDecContext->bPrintFrameErrorTraceFlag = false;
}
iEnd = WelsTime();
m_pDecContext->dDecTime += (iEnd - iStart) / 1e3;
return (DECODING_STATE) m_pDecContext->iErrorCode;
}
DECODING_STATE CWelsDecoder::DecodeFrame (const unsigned char* kpSrc,
const int kiSrcLen,
unsigned char** ppDst,
int* pStride,
int& iWidth,
int& iHeight) {
DECODING_STATE eDecState = dsErrorFree;
SBufferInfo DstInfo;
memset (&DstInfo, 0, sizeof (SBufferInfo));
DstInfo.UsrData.sSystemBuffer.iStride[0] = pStride[0];
DstInfo.UsrData.sSystemBuffer.iStride[1] = pStride[1];
DstInfo.UsrData.sSystemBuffer.iWidth = iWidth;
DstInfo.UsrData.sSystemBuffer.iHeight = iHeight;
eDecState = DecodeFrame2 (kpSrc, kiSrcLen, ppDst, &DstInfo);
if (eDecState == dsErrorFree) {
pStride[0] = DstInfo.UsrData.sSystemBuffer.iStride[0];
pStride[1] = DstInfo.UsrData.sSystemBuffer.iStride[1];
iWidth = DstInfo.UsrData.sSystemBuffer.iWidth;
iHeight = DstInfo.UsrData.sSystemBuffer.iHeight;
}
return eDecState;
}
DECODING_STATE CWelsDecoder::DecodeFrameEx (const unsigned char* kpSrc,
const int kiSrcLen,
unsigned char* pDst,
int iDstStride,
int& iDstLen,
int& iWidth,
int& iHeight,
int& iColorFormat) {
DECODING_STATE state = dsErrorFree;
return state;
}
void CWelsDecoder::ResetReorderingPictureBuffers() {
m_iPictInfoIndex = 0;
m_iMinPOC = sIMinInt32;
m_iNumOfPicts = 0;
m_iLastGOPRemainPicts = 0;
m_LastWrittenPOC = sIMinInt32;
m_iLargestBufferedPicIndex = 0;
for (int32_t i = 0; i < 16; ++i) {
m_sPictInfoList[i].bLastGOP = false;
m_sPictInfoList[i].iPOC = sIMinInt32;
}
}
} // namespace WelsDec
using namespace WelsDec;
/*
* WelsGetDecoderCapability
* @return: DecCapability information
*/
int WelsGetDecoderCapability (SDecoderCapability* pDecCapability) {
memset (pDecCapability, 0, sizeof (SDecoderCapability));
pDecCapability->iProfileIdc = 66; //Baseline
pDecCapability->iProfileIop = 0xE0; //11100000b
pDecCapability->iLevelIdc = 32; //level_idc = 3.2
pDecCapability->iMaxMbps = 216000; //from level_idc = 3.2
pDecCapability->iMaxFs = 5120; //from level_idc = 3.2
pDecCapability->iMaxCpb = 20000; //from level_idc = 3.2
pDecCapability->iMaxDpb = 20480; //from level_idc = 3.2
pDecCapability->iMaxBr = 20000; //from level_idc = 3.2
pDecCapability->bRedPicCap = 0; //not support redundant pic
return ERR_NONE;
}
/* WINAPI is indeed in prefix due to sync to application layer callings!! */
/*
* WelsCreateDecoder
* @return: success in return 0, otherwise failed.
*/
long WelsCreateDecoder (ISVCDecoder** ppDecoder) {
if (NULL == ppDecoder) {
return ERR_INVALID_PARAMETERS;
}
*ppDecoder = new CWelsDecoder();
if (NULL == *ppDecoder) {
return ERR_MALLOC_FAILED;
}
return ERR_NONE;
}
/*
* WelsDestroyDecoder
*/
void WelsDestroyDecoder (ISVCDecoder* pDecoder) {
if (NULL != pDecoder) {
delete (CWelsDecoder*)pDecoder;
}
}