ref: e70b8ccd5216871793927d216df150a13e9d1bdc
dir: /third_party/libyuv/include/libyuv/scale_row.h/
/* * Copyright 2013 The LibYuv Project Authors. All rights reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #ifndef INCLUDE_LIBYUV_SCALE_ROW_H_ #define INCLUDE_LIBYUV_SCALE_ROW_H_ #include "libyuv/basic_types.h" #include "libyuv/scale.h" #ifdef __cplusplus namespace libyuv { extern "C" { #endif #if defined(__pnacl__) || defined(__CLR_VER) || \ (defined(__native_client__) && defined(__x86_64__)) || \ (defined(__i386__) && !defined(__SSE__) && !defined(__clang__)) #define LIBYUV_DISABLE_X86 #endif #if defined(__native_client__) #define LIBYUV_DISABLE_NEON #endif // MemorySanitizer does not support assembly code yet. http://crbug.com/344505 #if defined(__has_feature) #if __has_feature(memory_sanitizer) #define LIBYUV_DISABLE_X86 #endif #endif // GCC >= 4.7.0 required for AVX2. #if defined(__GNUC__) && (defined(__x86_64__) || defined(__i386__)) #if (__GNUC__ > 4) || (__GNUC__ == 4 && (__GNUC_MINOR__ >= 7)) #define GCC_HAS_AVX2 1 #endif // GNUC >= 4.7 #endif // __GNUC__ // clang >= 3.4.0 required for AVX2. #if defined(__clang__) && (defined(__x86_64__) || defined(__i386__)) #if (__clang_major__ > 3) || (__clang_major__ == 3 && (__clang_minor__ >= 4)) #define CLANG_HAS_AVX2 1 #endif // clang >= 3.4 #endif // __clang__ // Visual C 2012 required for AVX2. #if defined(_M_IX86) && !defined(__clang__) && defined(_MSC_VER) && \ _MSC_VER >= 1700 #define VISUALC_HAS_AVX2 1 #endif // VisualStudio >= 2012 // The following are available on all x86 platforms: #if !defined(LIBYUV_DISABLE_X86) && \ (defined(_M_IX86) || defined(__x86_64__) || defined(__i386__)) #define HAS_FIXEDDIV1_X86 #define HAS_FIXEDDIV_X86 #define HAS_SCALEARGBCOLS_SSE2 #define HAS_SCALEARGBCOLSUP2_SSE2 #define HAS_SCALEARGBFILTERCOLS_SSSE3 #define HAS_SCALEARGBROWDOWN2_SSE2 #define HAS_SCALEARGBROWDOWNEVEN_SSE2 #define HAS_SCALECOLSUP2_SSE2 #define HAS_SCALEFILTERCOLS_SSSE3 #define HAS_SCALEROWDOWN2_SSSE3 #define HAS_SCALEROWDOWN34_SSSE3 #define HAS_SCALEROWDOWN38_SSSE3 #define HAS_SCALEROWDOWN4_SSSE3 #define HAS_SCALEADDROW_SSE2 #endif // The following are available on all x86 platforms, but // require VS2012, clang 3.4 or gcc 4.7. // The code supports NaCL but requires a new compiler and validator. #if !defined(LIBYUV_DISABLE_X86) && \ (defined(VISUALC_HAS_AVX2) || defined(CLANG_HAS_AVX2) || \ defined(GCC_HAS_AVX2)) #define HAS_SCALEADDROW_AVX2 #define HAS_SCALEROWDOWN2_AVX2 #define HAS_SCALEROWDOWN4_AVX2 #endif // The following are available on Neon platforms: #if !defined(LIBYUV_DISABLE_NEON) && \ (defined(__ARM_NEON__) || defined(LIBYUV_NEON) || defined(__aarch64__)) #define HAS_SCALEARGBCOLS_NEON #define HAS_SCALEARGBROWDOWN2_NEON #define HAS_SCALEARGBROWDOWNEVEN_NEON #define HAS_SCALEFILTERCOLS_NEON #define HAS_SCALEROWDOWN2_NEON #define HAS_SCALEROWDOWN34_NEON #define HAS_SCALEROWDOWN38_NEON #define HAS_SCALEROWDOWN4_NEON #define HAS_SCALEARGBFILTERCOLS_NEON #endif #if !defined(LIBYUV_DISABLE_MSA) && defined(__mips_msa) #define HAS_SCALEADDROW_MSA #define HAS_SCALEARGBCOLS_MSA #define HAS_SCALEARGBFILTERCOLS_MSA #define HAS_SCALEARGBROWDOWN2_MSA #define HAS_SCALEARGBROWDOWNEVEN_MSA #define HAS_SCALEFILTERCOLS_MSA #define HAS_SCALEROWDOWN2_MSA #define HAS_SCALEROWDOWN34_MSA #define HAS_SCALEROWDOWN38_MSA #define HAS_SCALEROWDOWN4_MSA #endif // Scale ARGB vertically with bilinear interpolation. void ScalePlaneVertical(int src_height, int dst_width, int dst_height, int src_stride, int dst_stride, const uint8_t* src_argb, uint8_t* dst_argb, int x, int y, int dy, int bpp, enum FilterMode filtering); void ScalePlaneVertical_16(int src_height, int dst_width, int dst_height, int src_stride, int dst_stride, const uint16_t* src_argb, uint16_t* dst_argb, int x, int y, int dy, int wpp, enum FilterMode filtering); // Simplify the filtering based on scale factors. enum FilterMode ScaleFilterReduce(int src_width, int src_height, int dst_width, int dst_height, enum FilterMode filtering); // Divide num by div and return as 16.16 fixed point result. int FixedDiv_C(int num, int div); int FixedDiv_X86(int num, int div); // Divide num - 1 by div - 1 and return as 16.16 fixed point result. int FixedDiv1_C(int num, int div); int FixedDiv1_X86(int num, int div); #ifdef HAS_FIXEDDIV_X86 #define FixedDiv FixedDiv_X86 #define FixedDiv1 FixedDiv1_X86 #else #define FixedDiv FixedDiv_C #define FixedDiv1 FixedDiv1_C #endif // Compute slope values for stepping. void ScaleSlope(int src_width, int src_height, int dst_width, int dst_height, enum FilterMode filtering, int* x, int* y, int* dx, int* dy); void ScaleRowDown2_C(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown2_16_C(const uint16_t* src_ptr, ptrdiff_t src_stride, uint16_t* dst, int dst_width); void ScaleRowDown2Linear_C(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown2Linear_16_C(const uint16_t* src_ptr, ptrdiff_t src_stride, uint16_t* dst, int dst_width); void ScaleRowDown2Box_C(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown2Box_Odd_C(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown2Box_16_C(const uint16_t* src_ptr, ptrdiff_t src_stride, uint16_t* dst, int dst_width); void ScaleRowDown4_C(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown4_16_C(const uint16_t* src_ptr, ptrdiff_t src_stride, uint16_t* dst, int dst_width); void ScaleRowDown4Box_C(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown4Box_16_C(const uint16_t* src_ptr, ptrdiff_t src_stride, uint16_t* dst, int dst_width); void ScaleRowDown34_C(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown34_16_C(const uint16_t* src_ptr, ptrdiff_t src_stride, uint16_t* dst, int dst_width); void ScaleRowDown34_0_Box_C(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* d, int dst_width); void ScaleRowDown34_0_Box_16_C(const uint16_t* src_ptr, ptrdiff_t src_stride, uint16_t* d, int dst_width); void ScaleRowDown34_1_Box_C(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* d, int dst_width); void ScaleRowDown34_1_Box_16_C(const uint16_t* src_ptr, ptrdiff_t src_stride, uint16_t* d, int dst_width); void ScaleCols_C(uint8_t* dst_ptr, const uint8_t* src_ptr, int dst_width, int x, int dx); void ScaleCols_16_C(uint16_t* dst_ptr, const uint16_t* src_ptr, int dst_width, int x, int dx); void ScaleColsUp2_C(uint8_t* dst_ptr, const uint8_t* src_ptr, int dst_width, int, int); void ScaleColsUp2_16_C(uint16_t* dst_ptr, const uint16_t* src_ptr, int dst_width, int, int); void ScaleFilterCols_C(uint8_t* dst_ptr, const uint8_t* src_ptr, int dst_width, int x, int dx); void ScaleFilterCols_16_C(uint16_t* dst_ptr, const uint16_t* src_ptr, int dst_width, int x, int dx); void ScaleFilterCols64_C(uint8_t* dst_ptr, const uint8_t* src_ptr, int dst_width, int x32, int dx); void ScaleFilterCols64_16_C(uint16_t* dst_ptr, const uint16_t* src_ptr, int dst_width, int x32, int dx); void ScaleRowDown38_C(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown38_16_C(const uint16_t* src_ptr, ptrdiff_t src_stride, uint16_t* dst, int dst_width); void ScaleRowDown38_3_Box_C(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown38_3_Box_16_C(const uint16_t* src_ptr, ptrdiff_t src_stride, uint16_t* dst_ptr, int dst_width); void ScaleRowDown38_2_Box_C(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown38_2_Box_16_C(const uint16_t* src_ptr, ptrdiff_t src_stride, uint16_t* dst_ptr, int dst_width); void ScaleAddRow_C(const uint8_t* src_ptr, uint16_t* dst_ptr, int src_width); void ScaleAddRow_16_C(const uint16_t* src_ptr, uint32_t* dst_ptr, int src_width); void ScaleARGBRowDown2_C(const uint8_t* src_argb, ptrdiff_t src_stride, uint8_t* dst_argb, int dst_width); void ScaleARGBRowDown2Linear_C(const uint8_t* src_argb, ptrdiff_t src_stride, uint8_t* dst_argb, int dst_width); void ScaleARGBRowDown2Box_C(const uint8_t* src_argb, ptrdiff_t src_stride, uint8_t* dst_argb, int dst_width); void ScaleARGBRowDownEven_C(const uint8_t* src_argb, ptrdiff_t src_stride, int src_stepx, uint8_t* dst_argb, int dst_width); void ScaleARGBRowDownEvenBox_C(const uint8_t* src_argb, ptrdiff_t src_stride, int src_stepx, uint8_t* dst_argb, int dst_width); void ScaleARGBCols_C(uint8_t* dst_argb, const uint8_t* src_argb, int dst_width, int x, int dx); void ScaleARGBCols64_C(uint8_t* dst_argb, const uint8_t* src_argb, int dst_width, int x32, int dx); void ScaleARGBColsUp2_C(uint8_t* dst_argb, const uint8_t* src_argb, int dst_width, int, int); void ScaleARGBFilterCols_C(uint8_t* dst_argb, const uint8_t* src_argb, int dst_width, int x, int dx); void ScaleARGBFilterCols64_C(uint8_t* dst_argb, const uint8_t* src_argb, int dst_width, int x32, int dx); // Specialized scalers for x86. void ScaleRowDown2_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2Linear_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2Box_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2_AVX2(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2Linear_AVX2(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2Box_AVX2(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown4_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown4Box_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown4_AVX2(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown4Box_AVX2(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown34_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown34_1_Box_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown34_0_Box_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown38_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown38_3_Box_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown38_2_Box_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2_Any_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2Linear_Any_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2Box_Any_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2Box_Odd_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2_Any_AVX2(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2Linear_Any_AVX2(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2Box_Any_AVX2(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2Box_Odd_AVX2(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown4_Any_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown4Box_Any_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown4_Any_AVX2(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown4Box_Any_AVX2(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown34_Any_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown34_1_Box_Any_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown34_0_Box_Any_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown38_Any_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown38_3_Box_Any_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown38_2_Box_Any_SSSE3(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleAddRow_SSE2(const uint8_t* src_ptr, uint16_t* dst_ptr, int src_width); void ScaleAddRow_AVX2(const uint8_t* src_ptr, uint16_t* dst_ptr, int src_width); void ScaleAddRow_Any_SSE2(const uint8_t* src_ptr, uint16_t* dst_ptr, int src_width); void ScaleAddRow_Any_AVX2(const uint8_t* src_ptr, uint16_t* dst_ptr, int src_width); void ScaleFilterCols_SSSE3(uint8_t* dst_ptr, const uint8_t* src_ptr, int dst_width, int x, int dx); void ScaleColsUp2_SSE2(uint8_t* dst_ptr, const uint8_t* src_ptr, int dst_width, int x, int dx); // ARGB Column functions void ScaleARGBCols_SSE2(uint8_t* dst_argb, const uint8_t* src_argb, int dst_width, int x, int dx); void ScaleARGBFilterCols_SSSE3(uint8_t* dst_argb, const uint8_t* src_argb, int dst_width, int x, int dx); void ScaleARGBColsUp2_SSE2(uint8_t* dst_argb, const uint8_t* src_argb, int dst_width, int x, int dx); void ScaleARGBFilterCols_NEON(uint8_t* dst_argb, const uint8_t* src_argb, int dst_width, int x, int dx); void ScaleARGBCols_NEON(uint8_t* dst_argb, const uint8_t* src_argb, int dst_width, int x, int dx); void ScaleARGBFilterCols_Any_NEON(uint8_t* dst_ptr, const uint8_t* src_ptr, int dst_width, int x, int dx); void ScaleARGBCols_Any_NEON(uint8_t* dst_ptr, const uint8_t* src_ptr, int dst_width, int x, int dx); void ScaleARGBFilterCols_MSA(uint8_t* dst_argb, const uint8_t* src_argb, int dst_width, int x, int dx); void ScaleARGBCols_MSA(uint8_t* dst_argb, const uint8_t* src_argb, int dst_width, int x, int dx); void ScaleARGBFilterCols_Any_MSA(uint8_t* dst_ptr, const uint8_t* src_ptr, int dst_width, int x, int dx); void ScaleARGBCols_Any_MSA(uint8_t* dst_ptr, const uint8_t* src_ptr, int dst_width, int x, int dx); // ARGB Row functions void ScaleARGBRowDown2_SSE2(const uint8_t* src_argb, ptrdiff_t src_stride, uint8_t* dst_argb, int dst_width); void ScaleARGBRowDown2Linear_SSE2(const uint8_t* src_argb, ptrdiff_t src_stride, uint8_t* dst_argb, int dst_width); void ScaleARGBRowDown2Box_SSE2(const uint8_t* src_argb, ptrdiff_t src_stride, uint8_t* dst_argb, int dst_width); void ScaleARGBRowDown2_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleARGBRowDown2Linear_NEON(const uint8_t* src_argb, ptrdiff_t src_stride, uint8_t* dst_argb, int dst_width); void ScaleARGBRowDown2Box_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleARGBRowDown2_MSA(const uint8_t* src_argb, ptrdiff_t src_stride, uint8_t* dst_argb, int dst_width); void ScaleARGBRowDown2Linear_MSA(const uint8_t* src_argb, ptrdiff_t src_stride, uint8_t* dst_argb, int dst_width); void ScaleARGBRowDown2Box_MSA(const uint8_t* src_argb, ptrdiff_t src_stride, uint8_t* dst_argb, int dst_width); void ScaleARGBRowDown2_Any_SSE2(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleARGBRowDown2Linear_Any_SSE2(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleARGBRowDown2Box_Any_SSE2(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleARGBRowDown2_Any_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleARGBRowDown2Linear_Any_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleARGBRowDown2Box_Any_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleARGBRowDown2_Any_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleARGBRowDown2Linear_Any_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleARGBRowDown2Box_Any_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleARGBRowDownEven_SSE2(const uint8_t* src_argb, ptrdiff_t src_stride, int src_stepx, uint8_t* dst_argb, int dst_width); void ScaleARGBRowDownEvenBox_SSE2(const uint8_t* src_argb, ptrdiff_t src_stride, int src_stepx, uint8_t* dst_argb, int dst_width); void ScaleARGBRowDownEven_NEON(const uint8_t* src_argb, ptrdiff_t src_stride, int src_stepx, uint8_t* dst_argb, int dst_width); void ScaleARGBRowDownEvenBox_NEON(const uint8_t* src_argb, ptrdiff_t src_stride, int src_stepx, uint8_t* dst_argb, int dst_width); void ScaleARGBRowDownEven_MSA(const uint8_t* src_argb, ptrdiff_t src_stride, int32_t src_stepx, uint8_t* dst_argb, int dst_width); void ScaleARGBRowDownEvenBox_MSA(const uint8_t* src_argb, ptrdiff_t src_stride, int src_stepx, uint8_t* dst_argb, int dst_width); void ScaleARGBRowDownEven_Any_SSE2(const uint8_t* src_ptr, ptrdiff_t src_stride, int src_stepx, uint8_t* dst_ptr, int dst_width); void ScaleARGBRowDownEvenBox_Any_SSE2(const uint8_t* src_ptr, ptrdiff_t src_stride, int src_stepx, uint8_t* dst_ptr, int dst_width); void ScaleARGBRowDownEven_Any_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, int src_stepx, uint8_t* dst_ptr, int dst_width); void ScaleARGBRowDownEvenBox_Any_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, int src_stepx, uint8_t* dst_ptr, int dst_width); void ScaleARGBRowDownEven_Any_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, int32_t src_stepx, uint8_t* dst_ptr, int dst_width); void ScaleARGBRowDownEvenBox_Any_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, int src_stepx, uint8_t* dst_ptr, int dst_width); // ScaleRowDown2Box also used by planar functions // NEON downscalers with interpolation. // Note - not static due to reuse in convert for 444 to 420. void ScaleRowDown2_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown2Linear_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown2Box_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown4_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown4Box_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); // Down scale from 4 to 3 pixels. Use the neon multilane read/write // to load up the every 4th pixel into a 4 different registers. // Point samples 32 pixels to 24 pixels. void ScaleRowDown34_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown34_0_Box_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown34_1_Box_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); // 32 -> 12 void ScaleRowDown38_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); // 32x3 -> 12x1 void ScaleRowDown38_3_Box_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); // 32x2 -> 12x1 void ScaleRowDown38_2_Box_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2_Any_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2Linear_Any_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2Box_Any_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2Box_Odd_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown4_Any_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown4Box_Any_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown34_Any_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown34_0_Box_Any_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown34_1_Box_Any_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); // 32 -> 12 void ScaleRowDown38_Any_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); // 32x3 -> 12x1 void ScaleRowDown38_3_Box_Any_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); // 32x2 -> 12x1 void ScaleRowDown38_2_Box_Any_NEON(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleAddRow_NEON(const uint8_t* src_ptr, uint16_t* dst_ptr, int src_width); void ScaleAddRow_Any_NEON(const uint8_t* src_ptr, uint16_t* dst_ptr, int src_width); void ScaleFilterCols_NEON(uint8_t* dst_ptr, const uint8_t* src_ptr, int dst_width, int x, int dx); void ScaleFilterCols_Any_NEON(uint8_t* dst_ptr, const uint8_t* src_ptr, int dst_width, int x, int dx); void ScaleRowDown2_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown2Linear_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown2Box_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown4_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown4Box_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown38_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown38_2_Box_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown38_3_Box_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleAddRow_MSA(const uint8_t* src_ptr, uint16_t* dst_ptr, int src_width); void ScaleFilterCols_MSA(uint8_t* dst_ptr, const uint8_t* src_ptr, int dst_width, int x, int dx); void ScaleRowDown34_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst, int dst_width); void ScaleRowDown34_0_Box_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* d, int dst_width); void ScaleRowDown34_1_Box_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* d, int dst_width); void ScaleRowDown2_Any_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2Linear_Any_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown2Box_Any_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown4_Any_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown4Box_Any_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown38_Any_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown38_2_Box_Any_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown38_3_Box_Any_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleAddRow_Any_MSA(const uint8_t* src_ptr, uint16_t* dst_ptr, int src_width); void ScaleFilterCols_Any_MSA(uint8_t* dst_ptr, const uint8_t* src_ptr, int dst_width, int x, int dx); void ScaleRowDown34_Any_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown34_0_Box_Any_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); void ScaleRowDown34_1_Box_Any_MSA(const uint8_t* src_ptr, ptrdiff_t src_stride, uint8_t* dst_ptr, int dst_width); #ifdef __cplusplus } // extern "C" } // namespace libyuv #endif #endif // INCLUDE_LIBYUV_SCALE_ROW_H_