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Diffstat (limited to 'include/libyuv/scale_row.h')
| -rw-r--r-- | include/libyuv/scale_row.h | 1894 |
1 files changed, 1894 insertions, 0 deletions
diff --git a/include/libyuv/scale_row.h b/include/libyuv/scale_row.h new file mode 100644 index 00000000..02ed61ca --- /dev/null +++ b/include/libyuv/scale_row.h @@ -0,0 +1,1894 @@ +/* + * 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) && !defined(LIBYUV_DISABLE_NEON) +#define LIBYUV_DISABLE_NEON +#endif +#if __has_feature(memory_sanitizer) && !defined(LIBYUV_DISABLE_X86) +#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_SCALEADDROW_SSE2 +#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 +#endif + +// The following are available for gcc/clang x86 platforms: +// TODO(fbarchard): Port to Visual C +#if !defined(LIBYUV_DISABLE_X86) && (defined(__x86_64__) || defined(__i386__)) +#define HAS_SCALEUVROWDOWN2BOX_SSSE3 +#define HAS_SCALEROWUP2_LINEAR_SSE2 +#define HAS_SCALEROWUP2_LINEAR_SSSE3 +#define HAS_SCALEROWUP2_BILINEAR_SSE2 +#define HAS_SCALEROWUP2_BILINEAR_SSSE3 +#define HAS_SCALEROWUP2_LINEAR_12_SSSE3 +#define HAS_SCALEROWUP2_BILINEAR_12_SSSE3 +#define HAS_SCALEROWUP2_LINEAR_16_SSE2 +#define HAS_SCALEROWUP2_BILINEAR_16_SSE2 +#define HAS_SCALEUVROWUP2_LINEAR_SSSE3 +#define HAS_SCALEUVROWUP2_BILINEAR_SSSE3 +#define HAS_SCALEUVROWUP2_LINEAR_16_SSE41 +#define HAS_SCALEUVROWUP2_BILINEAR_16_SSE41 +#endif + +// The following are available for gcc/clang x86 platforms, but +// require clang 3.4 or gcc 4.7. +// TODO(fbarchard): Port to Visual C +#if !defined(LIBYUV_DISABLE_X86) && \ + (defined(__x86_64__) || defined(__i386__)) && \ + (defined(CLANG_HAS_AVX2) || defined(GCC_HAS_AVX2)) +#define HAS_SCALEUVROWDOWN2BOX_AVX2 +#define HAS_SCALEROWUP2_LINEAR_AVX2 +#define HAS_SCALEROWUP2_BILINEAR_AVX2 +#define HAS_SCALEROWUP2_LINEAR_12_AVX2 +#define HAS_SCALEROWUP2_BILINEAR_12_AVX2 +#define HAS_SCALEROWUP2_LINEAR_16_AVX2 +#define HAS_SCALEROWUP2_BILINEAR_16_AVX2 +#define HAS_SCALEUVROWUP2_LINEAR_AVX2 +#define HAS_SCALEUVROWUP2_BILINEAR_AVX2 +#define HAS_SCALEUVROWUP2_LINEAR_16_AVX2 +#define HAS_SCALEUVROWUP2_BILINEAR_16_AVX2 +#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_SCALEADDROW_NEON +#define HAS_SCALEARGBCOLS_NEON +#define HAS_SCALEARGBFILTERCOLS_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_SCALEUVROWDOWN2_NEON +#define HAS_SCALEUVROWDOWN2LINEAR_NEON +#define HAS_SCALEUVROWDOWN2BOX_NEON +#define HAS_SCALEUVROWDOWNEVEN_NEON +#define HAS_SCALEROWUP2_LINEAR_NEON +#define HAS_SCALEROWUP2_BILINEAR_NEON +#define HAS_SCALEROWUP2_LINEAR_12_NEON +#define HAS_SCALEROWUP2_BILINEAR_12_NEON +#define HAS_SCALEROWUP2_LINEAR_16_NEON +#define HAS_SCALEROWUP2_BILINEAR_16_NEON +#define HAS_SCALEUVROWUP2_LINEAR_NEON +#define HAS_SCALEUVROWUP2_BILINEAR_NEON +#define HAS_SCALEUVROWUP2_LINEAR_16_NEON +#define HAS_SCALEUVROWUP2_BILINEAR_16_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 + +#if !defined(LIBYUV_DISABLE_LSX) && defined(__loongarch_sx) +#define HAS_SCALEARGBROWDOWN2_LSX +#define HAS_SCALEARGBROWDOWNEVEN_LSX +#define HAS_SCALEROWDOWN2_LSX +#define HAS_SCALEROWDOWN4_LSX +#define HAS_SCALEROWDOWN38_LSX +#define HAS_SCALEFILTERCOLS_LSX +#define HAS_SCALEADDROW_LSX +#define HAS_SCALEARGBCOLS_LSX +#define HAS_SCALEARGBFILTERCOLS_LSX +#define HAS_SCALEROWDOWN34_LSX +#endif + +#if !defined(LIBYUV_DISABLE_RVV) && defined(__riscv_vector) +#define HAS_SCALEADDROW_RVV +// TODO: Test ScaleARGBRowDownEven_RVV and enable it +// #define HAS_SCALEARGBROWDOWNEVEN_RVV +#define HAS_SCALEUVROWDOWN4_RVV +#define HAS_SCALEUVROWDOWNEVEN_RVV +#if __riscv_v_intrinsic == 11000 +#define HAS_SCALEARGBROWDOWN2_RVV +#define HAS_SCALEARGBROWDOWN2BOX_RVV +#define HAS_SCALEARGBROWDOWN2LINEAR_RVV +#define HAS_SCALEARGBROWDOWNEVENBOX_RVV +#define HAS_SCALEROWDOWN2_RVV +#define HAS_SCALEROWDOWN2BOX_RVV +#define HAS_SCALEROWDOWN2LINEAR_RVV +#define HAS_SCALEROWDOWN34_0_BOX_RVV +#define HAS_SCALEROWDOWN34_1_BOX_RVV +#define HAS_SCALEROWDOWN34_RVV +#define HAS_SCALEROWDOWN38_2_BOX_RVV +#define HAS_SCALEROWDOWN38_3_BOX_RVV +#define HAS_SCALEROWDOWN38_RVV +#define HAS_SCALEROWDOWN4_RVV +#define HAS_SCALEROWDOWN4BOX_RVV +#define HAS_SCALEROWUP2_BILINEAR_RVV +#define HAS_SCALEROWUP2_LINEAR_RVV +#define HAS_SCALEUVROWDOWN2_RVV +#define HAS_SCALEUVROWDOWN2BOX_RVV +#define HAS_SCALEUVROWDOWN2LINEAR_RVV +#define HAS_SCALEUVROWUP2_BILINEAR_RVV +#define HAS_SCALEUVROWUP2_LINEAR_RVV +#endif +#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); + +void ScalePlaneVertical_16To8(int src_height, + int dst_width, + int dst_height, + int src_stride, + int dst_stride, + const uint16_t* src_argb, + uint8_t* dst_argb, + int x, + int y, + int dy, + int wpp, + int scale, + enum FilterMode filtering); + +void ScalePlaneDown2_16To8(int src_width, + int src_height, + int dst_width, + int dst_height, + int src_stride, + int dst_stride, + const uint16_t* src_ptr, + uint8_t* dst_ptr, + int scale, + 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); +int FixedDiv_MIPS(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); +int FixedDiv1_MIPS(int num, int div); +#ifdef HAS_FIXEDDIV_X86 +#define FixedDiv FixedDiv_X86 +#define FixedDiv1 FixedDiv1_X86 +#elif defined HAS_FIXEDDIV_MIPS +#define FixedDiv FixedDiv_MIPS +#define FixedDiv1 FixedDiv1_MIPS +#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 ScaleRowDown2_16To8_C(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width, + int scale); +void ScaleRowDown2_16To8_Odd_C(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width, + int scale); +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 ScaleRowDown2Linear_16To8_C(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width, + int scale); +void ScaleRowDown2Linear_16To8_Odd_C(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width, + int scale); +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 ScaleRowDown2Box_16To8_C(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width, + int scale); +void ScaleRowDown2Box_16To8_Odd_C(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width, + int scale); +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 ScaleRowUp2_Linear_C(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_C(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_16_C(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_16_C(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_Any_C(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_Any_C(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_16_Any_C(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_16_Any_C(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + 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); +void ScaleUVRowDown2_C(const uint8_t* src_uv, + ptrdiff_t src_stride, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDown2Linear_C(const uint8_t* src_uv, + ptrdiff_t src_stride, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDown2Box_C(const uint8_t* src_uv, + ptrdiff_t src_stride, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDownEven_C(const uint8_t* src_uv, + ptrdiff_t src_stride, + int src_stepx, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDownEvenBox_C(const uint8_t* src_uv, + ptrdiff_t src_stride, + int src_stepx, + uint8_t* dst_uv, + int dst_width); + +void ScaleUVRowUp2_Linear_C(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowUp2_Bilinear_C(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleUVRowUp2_Linear_Any_C(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowUp2_Bilinear_Any_C(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleUVRowUp2_Linear_16_C(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleUVRowUp2_Bilinear_16_C(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleUVRowUp2_Linear_16_Any_C(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleUVRowUp2_Bilinear_16_Any_C(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); + +void ScaleUVCols_C(uint8_t* dst_uv, + const uint8_t* src_uv, + int dst_width, + int x, + int dx); +void ScaleUVCols64_C(uint8_t* dst_uv, + const uint8_t* src_uv, + int dst_width, + int x32, + int dx); +void ScaleUVColsUp2_C(uint8_t* dst_uv, + const uint8_t* src_uv, + int dst_width, + int, + int); +void ScaleUVFilterCols_C(uint8_t* dst_uv, + const uint8_t* src_uv, + int dst_width, + int x, + int dx); +void ScaleUVFilterCols64_C(uint8_t* dst_uv, + const uint8_t* src_uv, + 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 ScaleRowUp2_Linear_SSE2(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_SSE2(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_12_SSSE3(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_12_SSSE3(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_16_SSE2(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_16_SSE2(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_SSSE3(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_SSSE3(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_AVX2(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_AVX2(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_12_AVX2(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_12_AVX2(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_16_AVX2(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_16_AVX2(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_Any_SSE2(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_Any_SSE2(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_12_Any_SSSE3(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_12_Any_SSSE3(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_16_Any_SSE2(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_16_Any_SSE2(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_Any_SSSE3(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_Any_SSSE3(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_Any_AVX2(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_Any_AVX2(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_12_Any_AVX2(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_12_Any_AVX2(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_16_Any_AVX2(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_16_Any_AVX2(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + 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_RVV(const uint8_t* src_argb, + ptrdiff_t src_stride, + uint8_t* dst_argb, + int dst_width); +void ScaleARGBRowDown2Linear_RVV(const uint8_t* src_argb, + ptrdiff_t src_stride, + uint8_t* dst_argb, + int dst_width); +void ScaleARGBRowDown2Box_RVV(const uint8_t* src_argb, + ptrdiff_t src_stride, + uint8_t* dst_argb, + 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_LSX(const uint8_t* src_argb, + ptrdiff_t src_stride, + uint8_t* dst_argb, + int dst_width); +void ScaleARGBRowDown2Linear_LSX(const uint8_t* src_argb, + ptrdiff_t src_stride, + uint8_t* dst_argb, + int dst_width); +void ScaleARGBRowDown2Box_LSX(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 ScaleARGBRowDown2_Any_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleARGBRowDown2Linear_Any_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleARGBRowDown2Box_Any_LSX(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_LSX(const uint8_t* src_argb, + ptrdiff_t src_stride, + int32_t src_stepx, + uint8_t* dst_argb, + int dst_width); +void ScaleARGBRowDownEvenBox_LSX(const uint8_t* src_argb, + ptrdiff_t src_stride, + int src_stepx, + uint8_t* dst_argb, + int dst_width); +void ScaleARGBRowDownEven_RVV(const uint8_t* src_argb, + ptrdiff_t src_stride, + int32_t src_stepx, + uint8_t* dst_argb, + int dst_width); +void ScaleARGBRowDownEvenBox_RVV(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); +void ScaleARGBRowDownEven_Any_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + int32_t src_stepx, + uint8_t* dst_ptr, + int dst_width); +void ScaleARGBRowDownEvenBox_Any_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + int src_stepx, + uint8_t* dst_ptr, + int dst_width); + +// UV Row functions +void ScaleUVRowDown2_SSSE3(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDown2Linear_SSSE3(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDown2Box_SSSE3(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDown2Box_AVX2(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDown2_NEON(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width); +void ScaleUVRowDown2Linear_NEON(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDown2Box_NEON(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width); +void ScaleUVRowDown2_MSA(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDown2Linear_MSA(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDown2Box_MSA(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDown2_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDown2Linear_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDown2Box_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width); +void ScaleUVRowDown2_Any_SSSE3(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowDown2Linear_Any_SSSE3(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowDown2Box_Any_SSSE3(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowDown2Box_Any_AVX2(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowDown2_Any_NEON(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowDown2Linear_Any_NEON(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowDown2Box_Any_NEON(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowDown2_Any_MSA(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowDown2Linear_Any_MSA(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowDown2Box_Any_MSA(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowDownEven_SSSE3(const uint8_t* src_ptr, + ptrdiff_t src_stride, + int src_stepx, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDownEvenBox_SSSE3(const uint8_t* src_ptr, + ptrdiff_t src_stride, + int src_stepx, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDownEven_NEON(const uint8_t* src_ptr, + ptrdiff_t src_stride, + int src_stepx, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDownEvenBox_NEON(const uint8_t* src_ptr, + ptrdiff_t src_stride, + int src_stepx, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDown4_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + int32_t src_stepx, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDownEven_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + int32_t src_stepx, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDownEven_MSA(const uint8_t* src_ptr, + ptrdiff_t src_stride, + int32_t src_stepx, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDownEvenBox_MSA(const uint8_t* src_ptr, + ptrdiff_t src_stride, + int src_stepx, + uint8_t* dst_uv, + int dst_width); +void ScaleUVRowDownEven_Any_SSSE3(const uint8_t* src_ptr, + ptrdiff_t src_stride, + int src_stepx, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowDownEvenBox_Any_SSSE3(const uint8_t* src_ptr, + ptrdiff_t src_stride, + int src_stepx, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowDownEven_Any_NEON(const uint8_t* src_ptr, + ptrdiff_t src_stride, + int src_stepx, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowDownEvenBox_Any_NEON(const uint8_t* src_ptr, + ptrdiff_t src_stride, + int src_stepx, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowDownEven_Any_MSA(const uint8_t* src_ptr, + ptrdiff_t src_stride, + int32_t src_stepx, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowDownEvenBox_Any_MSA(const uint8_t* src_ptr, + ptrdiff_t src_stride, + int src_stepx, + uint8_t* dst_ptr, + int dst_width); + +void ScaleUVRowUp2_Linear_SSSE3(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowUp2_Bilinear_SSSE3(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleUVRowUp2_Linear_Any_SSSE3(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowUp2_Bilinear_Any_SSSE3(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleUVRowUp2_Linear_AVX2(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowUp2_Bilinear_AVX2(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleUVRowUp2_Linear_Any_AVX2(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowUp2_Bilinear_Any_AVX2(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleUVRowUp2_Linear_NEON(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowUp2_Bilinear_NEON(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleUVRowUp2_Linear_Any_NEON(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowUp2_Bilinear_Any_NEON(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleUVRowUp2_Linear_RVV(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleUVRowUp2_Bilinear_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleUVRowUp2_Linear_16_SSE41(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleUVRowUp2_Bilinear_16_SSE41(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleUVRowUp2_Linear_16_Any_SSE41(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleUVRowUp2_Bilinear_16_Any_SSE41(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleUVRowUp2_Linear_16_AVX2(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleUVRowUp2_Bilinear_16_AVX2(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleUVRowUp2_Linear_16_Any_AVX2(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleUVRowUp2_Bilinear_16_Any_AVX2(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleUVRowUp2_Linear_16_NEON(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleUVRowUp2_Bilinear_16_NEON(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleUVRowUp2_Linear_16_Any_NEON(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleUVRowUp2_Bilinear_16_Any_NEON(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + 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 ScaleRowUp2_Linear_NEON(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_NEON(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_12_NEON(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_12_NEON(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_16_NEON(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_16_NEON(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_Any_NEON(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_Any_NEON(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_12_Any_NEON(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_12_Any_NEON(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +void ScaleRowUp2_Linear_16_Any_NEON(const uint16_t* src_ptr, + uint16_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_16_Any_NEON(const uint16_t* src_ptr, + ptrdiff_t src_stride, + uint16_t* dst_ptr, + ptrdiff_t dst_stride, + 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); + +void ScaleRowDown2_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width); +void ScaleRowDown2Linear_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width); +void ScaleRowDown2Box_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width); +void ScaleRowDown4_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width); +void ScaleRowDown4Box_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width); +void ScaleRowDown38_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width); +void ScaleRowDown38_2_Box_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowDown38_3_Box_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleAddRow_LSX(const uint8_t* src_ptr, uint16_t* dst_ptr, int src_width); +void ScaleFilterCols_LSX(uint8_t* dst_ptr, + const uint8_t* src_ptr, + int dst_width, + int x, + int dx); +void ScaleARGBFilterCols_LSX(uint8_t* dst_argb, + const uint8_t* src_argb, + int dst_width, + int x, + int dx); +void ScaleARGBCols_LSX(uint8_t* dst_argb, + const uint8_t* src_argb, + int dst_width, + int x, + int dx); +void ScaleRowDown34_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width); +void ScaleRowDown34_0_Box_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* d, + int dst_width); +void ScaleRowDown34_1_Box_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* d, + int dst_width); +void ScaleRowDown2_Any_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowDown2Linear_Any_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowDown2Box_Any_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowDown4_Any_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowDown4Box_Any_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowDown38_Any_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowDown38_2_Box_Any_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowDown38_3_Box_Any_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleAddRow_Any_LSX(const uint8_t* src_ptr, + uint16_t* dst_ptr, + int src_width); +void ScaleFilterCols_Any_LSX(uint8_t* dst_ptr, + const uint8_t* src_ptr, + int dst_width, + int x, + int dx); +void ScaleARGBCols_Any_LSX(uint8_t* dst_ptr, + const uint8_t* src_ptr, + int dst_width, + int x, + int dx); +void ScaleARGBFilterCols_Any_LSX(uint8_t* dst_ptr, + const uint8_t* src_ptr, + int dst_width, + int x, + int dx); +void ScaleRowDown34_Any_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowDown34_0_Box_Any_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowDown34_1_Box_Any_LSX(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); + +void ScaleAddRow_RVV(const uint8_t* src_ptr, uint16_t* dst_ptr, int src_width); +void ScaleRowDown2_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width); +void ScaleRowDown2Linear_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width); +void ScaleRowDown2Box_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width); + +void ScaleRowDown4_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowDown4Box_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowDown34_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowDown34_0_Box_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowDown34_1_Box_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowDown38_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst, + int dst_width); +void ScaleRowDown38_3_Box_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowDown38_2_Box_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + int dst_width); + +void ScaleRowUp2_Linear_RVV(const uint8_t* src_ptr, + uint8_t* dst_ptr, + int dst_width); +void ScaleRowUp2_Bilinear_RVV(const uint8_t* src_ptr, + ptrdiff_t src_stride, + uint8_t* dst_ptr, + ptrdiff_t dst_stride, + int dst_width); +#ifdef __cplusplus +} // extern "C" +} // namespace libyuv +#endif + +#endif // INCLUDE_LIBYUV_SCALE_ROW_H_ |