ref: 36b610d8c13da6a008c344ded6b7c524bfbfc91b
dir: /third_party/libyuv/source/convert_from_argb.cc/
/*
* Copyright 2012 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.
*/
#include "libyuv/convert_from_argb.h"
#include "libyuv/basic_types.h"
#include "libyuv/cpu_id.h"
#include "libyuv/planar_functions.h"
#include "libyuv/row.h"
#ifdef __cplusplus
namespace libyuv {
extern "C" {
#endif
// ARGB little endian (bgra in memory) to I444
LIBYUV_API
int ARGBToI444(const uint8* src_argb, int src_stride_argb,
uint8* dst_y, int dst_stride_y,
uint8* dst_u, int dst_stride_u,
uint8* dst_v, int dst_stride_v,
int width, int height) {
int y;
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
ARGBToYRow_C;
void (*ARGBToUV444Row)(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
int pix) = ARGBToUV444Row_C;
if (!src_argb || !dst_y || !dst_u || !dst_v || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
// Coalesce rows.
if (src_stride_argb == width * 4 &&
dst_stride_y == width &&
dst_stride_u == width &&
dst_stride_v == width) {
width *= height;
height = 1;
src_stride_argb = dst_stride_y = dst_stride_u = dst_stride_v = 0;
}
#if defined(HAS_ARGBTOUV444ROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToUV444Row = ARGBToUV444Row_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToUV444Row = ARGBToUV444Row_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTOUV444ROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToUV444Row = ARGBToUV444Row_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToUV444Row = ARGBToUV444Row_NEON;
}
}
#endif
#if defined(HAS_ARGBTOYROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToYRow = ARGBToYRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToYRow = ARGBToYRow_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTOYROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBToYRow = ARGBToYRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
ARGBToYRow = ARGBToYRow_AVX2;
}
}
#endif
#if defined(HAS_ARGBTOYROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToYRow = ARGBToYRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToYRow = ARGBToYRow_NEON;
}
}
#endif
for (y = 0; y < height; ++y) {
ARGBToUV444Row(src_argb, dst_u, dst_v, width);
ARGBToYRow(src_argb, dst_y, width);
src_argb += src_stride_argb;
dst_y += dst_stride_y;
dst_u += dst_stride_u;
dst_v += dst_stride_v;
}
return 0;
}
// ARGB little endian (bgra in memory) to I422
LIBYUV_API
int ARGBToI422(const uint8* src_argb, int src_stride_argb,
uint8* dst_y, int dst_stride_y,
uint8* dst_u, int dst_stride_u,
uint8* dst_v, int dst_stride_v,
int width, int height) {
int y;
void (*ARGBToUV422Row)(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
int pix) = ARGBToUV422Row_C;
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
ARGBToYRow_C;
if (!src_argb || !dst_y || !dst_u || !dst_v || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
// Coalesce rows.
if (src_stride_argb == width * 4 &&
dst_stride_y == width &&
dst_stride_u * 2 == width &&
dst_stride_v * 2 == width) {
width *= height;
height = 1;
src_stride_argb = dst_stride_y = dst_stride_u = dst_stride_v = 0;
}
#if defined(HAS_ARGBTOUV422ROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToUV422Row = ARGBToUV422Row_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToUV422Row = ARGBToUV422Row_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTOUV422ROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToUV422Row = ARGBToUV422Row_Any_NEON;
if (IS_ALIGNED(width, 16)) {
ARGBToUV422Row = ARGBToUV422Row_NEON;
}
}
#endif
#if defined(HAS_ARGBTOYROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToYRow = ARGBToYRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToYRow = ARGBToYRow_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTOYROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBToYRow = ARGBToYRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
ARGBToYRow = ARGBToYRow_AVX2;
}
}
#endif
#if defined(HAS_ARGBTOYROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToYRow = ARGBToYRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToYRow = ARGBToYRow_NEON;
}
}
#endif
for (y = 0; y < height; ++y) {
ARGBToUV422Row(src_argb, dst_u, dst_v, width);
ARGBToYRow(src_argb, dst_y, width);
src_argb += src_stride_argb;
dst_y += dst_stride_y;
dst_u += dst_stride_u;
dst_v += dst_stride_v;
}
return 0;
}
// ARGB little endian (bgra in memory) to I411
LIBYUV_API
int ARGBToI411(const uint8* src_argb, int src_stride_argb,
uint8* dst_y, int dst_stride_y,
uint8* dst_u, int dst_stride_u,
uint8* dst_v, int dst_stride_v,
int width, int height) {
int y;
void (*ARGBToUV411Row)(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
int pix) = ARGBToUV411Row_C;
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
ARGBToYRow_C;
if (!src_argb || !dst_y || !dst_u || !dst_v || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
// Coalesce rows.
if (src_stride_argb == width * 4 &&
dst_stride_y == width &&
dst_stride_u * 4 == width &&
dst_stride_v * 4 == width) {
width *= height;
height = 1;
src_stride_argb = dst_stride_y = dst_stride_u = dst_stride_v = 0;
}
#if defined(HAS_ARGBTOYROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToYRow = ARGBToYRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToYRow = ARGBToYRow_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTOYROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBToYRow = ARGBToYRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
ARGBToYRow = ARGBToYRow_AVX2;
}
}
#endif
#if defined(HAS_ARGBTOYROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToYRow = ARGBToYRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToYRow = ARGBToYRow_NEON;
}
}
#endif
#if defined(HAS_ARGBTOUV411ROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToUV411Row = ARGBToUV411Row_Any_NEON;
if (IS_ALIGNED(width, 32)) {
ARGBToUV411Row = ARGBToUV411Row_NEON;
}
}
#endif
for (y = 0; y < height; ++y) {
ARGBToUV411Row(src_argb, dst_u, dst_v, width);
ARGBToYRow(src_argb, dst_y, width);
src_argb += src_stride_argb;
dst_y += dst_stride_y;
dst_u += dst_stride_u;
dst_v += dst_stride_v;
}
return 0;
}
LIBYUV_API
int ARGBToNV12(const uint8* src_argb, int src_stride_argb,
uint8* dst_y, int dst_stride_y,
uint8* dst_uv, int dst_stride_uv,
int width, int height) {
int y;
int halfwidth = (width + 1) >> 1;
void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
ARGBToYRow_C;
void (*MergeUVRow_)(const uint8* src_u, const uint8* src_v, uint8* dst_uv,
int width) = MergeUVRow_C;
if (!src_argb ||
!dst_y || !dst_uv ||
width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
#if defined(HAS_ARGBTOYROW_SSSE3) && defined(HAS_ARGBTOUVROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
ARGBToYRow = ARGBToYRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToUVRow = ARGBToUVRow_SSSE3;
ARGBToYRow = ARGBToYRow_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTOYROW_AVX2) && defined(HAS_ARGBTOUVROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBToUVRow = ARGBToUVRow_Any_AVX2;
ARGBToYRow = ARGBToYRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
ARGBToUVRow = ARGBToUVRow_AVX2;
ARGBToYRow = ARGBToYRow_AVX2;
}
}
#endif
#if defined(HAS_ARGBTOYROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToYRow = ARGBToYRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToYRow = ARGBToYRow_NEON;
}
}
#endif
#if defined(HAS_ARGBTOUVROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToUVRow = ARGBToUVRow_Any_NEON;
if (IS_ALIGNED(width, 16)) {
ARGBToUVRow = ARGBToUVRow_NEON;
}
}
#endif
#if defined(HAS_MERGEUVROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
MergeUVRow_ = MergeUVRow_Any_SSE2;
if (IS_ALIGNED(halfwidth, 16)) {
MergeUVRow_ = MergeUVRow_SSE2;
}
}
#endif
#if defined(HAS_MERGEUVROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
MergeUVRow_ = MergeUVRow_Any_AVX2;
if (IS_ALIGNED(halfwidth, 32)) {
MergeUVRow_ = MergeUVRow_AVX2;
}
}
#endif
#if defined(HAS_MERGEUVROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
MergeUVRow_ = MergeUVRow_Any_NEON;
if (IS_ALIGNED(halfwidth, 16)) {
MergeUVRow_ = MergeUVRow_NEON;
}
}
#endif
{
// Allocate a rows of uv.
align_buffer_64(row_u, ((halfwidth + 31) & ~31) * 2);
uint8* row_v = row_u + ((halfwidth + 31) & ~31);
for (y = 0; y < height - 1; y += 2) {
ARGBToUVRow(src_argb, src_stride_argb, row_u, row_v, width);
MergeUVRow_(row_u, row_v, dst_uv, halfwidth);
ARGBToYRow(src_argb, dst_y, width);
ARGBToYRow(src_argb + src_stride_argb, dst_y + dst_stride_y, width);
src_argb += src_stride_argb * 2;
dst_y += dst_stride_y * 2;
dst_uv += dst_stride_uv;
}
if (height & 1) {
ARGBToUVRow(src_argb, 0, row_u, row_v, width);
MergeUVRow_(row_u, row_v, dst_uv, halfwidth);
ARGBToYRow(src_argb, dst_y, width);
}
free_aligned_buffer_64(row_u);
}
return 0;
}
// Same as NV12 but U and V swapped.
LIBYUV_API
int ARGBToNV21(const uint8* src_argb, int src_stride_argb,
uint8* dst_y, int dst_stride_y,
uint8* dst_uv, int dst_stride_uv,
int width, int height) {
int y;
int halfwidth = (width + 1) >> 1;
void (*ARGBToUVRow)(const uint8* src_argb0, int src_stride_argb,
uint8* dst_u, uint8* dst_v, int width) = ARGBToUVRow_C;
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
ARGBToYRow_C;
void (*MergeUVRow_)(const uint8* src_u, const uint8* src_v, uint8* dst_uv,
int width) = MergeUVRow_C;
if (!src_argb ||
!dst_y || !dst_uv ||
width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
#if defined(HAS_ARGBTOYROW_SSSE3) && defined(HAS_ARGBTOUVROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToUVRow = ARGBToUVRow_Any_SSSE3;
ARGBToYRow = ARGBToYRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToUVRow = ARGBToUVRow_SSSE3;
ARGBToYRow = ARGBToYRow_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTOYROW_AVX2) && defined(HAS_ARGBTOUVROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBToUVRow = ARGBToUVRow_Any_AVX2;
ARGBToYRow = ARGBToYRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
ARGBToUVRow = ARGBToUVRow_AVX2;
ARGBToYRow = ARGBToYRow_AVX2;
}
}
#endif
#if defined(HAS_ARGBTOYROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToYRow = ARGBToYRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToYRow = ARGBToYRow_NEON;
}
}
#endif
#if defined(HAS_ARGBTOUVROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToUVRow = ARGBToUVRow_Any_NEON;
if (IS_ALIGNED(width, 16)) {
ARGBToUVRow = ARGBToUVRow_NEON;
}
}
#endif
#if defined(HAS_MERGEUVROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
MergeUVRow_ = MergeUVRow_Any_SSE2;
if (IS_ALIGNED(halfwidth, 16)) {
MergeUVRow_ = MergeUVRow_SSE2;
}
}
#endif
#if defined(HAS_MERGEUVROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
MergeUVRow_ = MergeUVRow_Any_AVX2;
if (IS_ALIGNED(halfwidth, 32)) {
MergeUVRow_ = MergeUVRow_AVX2;
}
}
#endif
#if defined(HAS_MERGEUVROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
MergeUVRow_ = MergeUVRow_Any_NEON;
if (IS_ALIGNED(halfwidth, 16)) {
MergeUVRow_ = MergeUVRow_NEON;
}
}
#endif
{
// Allocate a rows of uv.
align_buffer_64(row_u, ((halfwidth + 31) & ~31) * 2);
uint8* row_v = row_u + ((halfwidth + 31) & ~31);
for (y = 0; y < height - 1; y += 2) {
ARGBToUVRow(src_argb, src_stride_argb, row_u, row_v, width);
MergeUVRow_(row_v, row_u, dst_uv, halfwidth);
ARGBToYRow(src_argb, dst_y, width);
ARGBToYRow(src_argb + src_stride_argb, dst_y + dst_stride_y, width);
src_argb += src_stride_argb * 2;
dst_y += dst_stride_y * 2;
dst_uv += dst_stride_uv;
}
if (height & 1) {
ARGBToUVRow(src_argb, 0, row_u, row_v, width);
MergeUVRow_(row_v, row_u, dst_uv, halfwidth);
ARGBToYRow(src_argb, dst_y, width);
}
free_aligned_buffer_64(row_u);
}
return 0;
}
// Convert ARGB to YUY2.
LIBYUV_API
int ARGBToYUY2(const uint8* src_argb, int src_stride_argb,
uint8* dst_yuy2, int dst_stride_yuy2,
int width, int height) {
int y;
void (*ARGBToUV422Row)(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
int pix) = ARGBToUV422Row_C;
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
ARGBToYRow_C;
void (*I422ToYUY2Row)(const uint8* src_y, const uint8* src_u,
const uint8* src_v, uint8* dst_yuy2, int width) = I422ToYUY2Row_C;
if (!src_argb || !dst_yuy2 ||
width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_yuy2 = dst_yuy2 + (height - 1) * dst_stride_yuy2;
dst_stride_yuy2 = -dst_stride_yuy2;
}
// Coalesce rows.
if (src_stride_argb == width * 4 &&
dst_stride_yuy2 == width * 2) {
width *= height;
height = 1;
src_stride_argb = dst_stride_yuy2 = 0;
}
#if defined(HAS_ARGBTOUV422ROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToUV422Row = ARGBToUV422Row_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToUV422Row = ARGBToUV422Row_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTOUV422ROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToUV422Row = ARGBToUV422Row_Any_NEON;
if (IS_ALIGNED(width, 16)) {
ARGBToUV422Row = ARGBToUV422Row_NEON;
}
}
#endif
#if defined(HAS_ARGBTOYROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToYRow = ARGBToYRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToYRow = ARGBToYRow_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTOYROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBToYRow = ARGBToYRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
ARGBToYRow = ARGBToYRow_AVX2;
}
}
#endif
#if defined(HAS_ARGBTOYROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToYRow = ARGBToYRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToYRow = ARGBToYRow_NEON;
}
}
#endif
#if defined(HAS_I422TOYUY2ROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
I422ToYUY2Row = I422ToYUY2Row_Any_SSE2;
if (IS_ALIGNED(width, 16)) {
I422ToYUY2Row = I422ToYUY2Row_SSE2;
}
}
#endif
#if defined(HAS_I422TOYUY2ROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
I422ToYUY2Row = I422ToYUY2Row_Any_NEON;
if (IS_ALIGNED(width, 16)) {
I422ToYUY2Row = I422ToYUY2Row_NEON;
}
}
#endif
{
// Allocate a rows of yuv.
align_buffer_64(row_y, ((width + 63) & ~63) * 2);
uint8* row_u = row_y + ((width + 63) & ~63);
uint8* row_v = row_u + ((width + 63) & ~63) / 2;
for (y = 0; y < height; ++y) {
ARGBToUV422Row(src_argb, row_u, row_v, width);
ARGBToYRow(src_argb, row_y, width);
I422ToYUY2Row(row_y, row_u, row_v, dst_yuy2, width);
src_argb += src_stride_argb;
dst_yuy2 += dst_stride_yuy2;
}
free_aligned_buffer_64(row_y);
}
return 0;
}
// Convert ARGB to UYVY.
LIBYUV_API
int ARGBToUYVY(const uint8* src_argb, int src_stride_argb,
uint8* dst_uyvy, int dst_stride_uyvy,
int width, int height) {
int y;
void (*ARGBToUV422Row)(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
int pix) = ARGBToUV422Row_C;
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
ARGBToYRow_C;
void (*I422ToUYVYRow)(const uint8* src_y, const uint8* src_u,
const uint8* src_v, uint8* dst_uyvy, int width) = I422ToUYVYRow_C;
if (!src_argb || !dst_uyvy ||
width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_uyvy = dst_uyvy + (height - 1) * dst_stride_uyvy;
dst_stride_uyvy = -dst_stride_uyvy;
}
// Coalesce rows.
if (src_stride_argb == width * 4 &&
dst_stride_uyvy == width * 2) {
width *= height;
height = 1;
src_stride_argb = dst_stride_uyvy = 0;
}
#if defined(HAS_ARGBTOUV422ROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToUV422Row = ARGBToUV422Row_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToUV422Row = ARGBToUV422Row_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTOUV422ROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToUV422Row = ARGBToUV422Row_Any_NEON;
if (IS_ALIGNED(width, 16)) {
ARGBToUV422Row = ARGBToUV422Row_NEON;
}
}
#endif
#if defined(HAS_ARGBTOYROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToYRow = ARGBToYRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToYRow = ARGBToYRow_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTOYROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBToYRow = ARGBToYRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
ARGBToYRow = ARGBToYRow_AVX2;
}
}
#endif
#if defined(HAS_ARGBTOYROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToYRow = ARGBToYRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToYRow = ARGBToYRow_NEON;
}
}
#endif
#if defined(HAS_I422TOUYVYROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
I422ToUYVYRow = I422ToUYVYRow_Any_SSE2;
if (IS_ALIGNED(width, 16)) {
I422ToUYVYRow = I422ToUYVYRow_SSE2;
}
}
#endif
#if defined(HAS_I422TOUYVYROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
I422ToUYVYRow = I422ToUYVYRow_Any_NEON;
if (IS_ALIGNED(width, 16)) {
I422ToUYVYRow = I422ToUYVYRow_NEON;
}
}
#endif
{
// Allocate a rows of yuv.
align_buffer_64(row_y, ((width + 63) & ~63) * 2);
uint8* row_u = row_y + ((width + 63) & ~63);
uint8* row_v = row_u + ((width + 63) & ~63) / 2;
for (y = 0; y < height; ++y) {
ARGBToUV422Row(src_argb, row_u, row_v, width);
ARGBToYRow(src_argb, row_y, width);
I422ToUYVYRow(row_y, row_u, row_v, dst_uyvy, width);
src_argb += src_stride_argb;
dst_uyvy += dst_stride_uyvy;
}
free_aligned_buffer_64(row_y);
}
return 0;
}
// Convert ARGB to I400.
LIBYUV_API
int ARGBToI400(const uint8* src_argb, int src_stride_argb,
uint8* dst_y, int dst_stride_y,
int width, int height) {
int y;
void (*ARGBToYRow)(const uint8* src_argb, uint8* dst_y, int pix) =
ARGBToYRow_C;
if (!src_argb || !dst_y || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
// Coalesce rows.
if (src_stride_argb == width * 4 &&
dst_stride_y == width) {
width *= height;
height = 1;
src_stride_argb = dst_stride_y = 0;
}
#if defined(HAS_ARGBTOYROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToYRow = ARGBToYRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToYRow = ARGBToYRow_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTOYROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBToYRow = ARGBToYRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
ARGBToYRow = ARGBToYRow_AVX2;
}
}
#endif
#if defined(HAS_ARGBTOYROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToYRow = ARGBToYRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToYRow = ARGBToYRow_NEON;
}
}
#endif
for (y = 0; y < height; ++y) {
ARGBToYRow(src_argb, dst_y, width);
src_argb += src_stride_argb;
dst_y += dst_stride_y;
}
return 0;
}
// Shuffle table for converting ARGB to RGBA.
static uvec8 kShuffleMaskARGBToRGBA = {
3u, 0u, 1u, 2u, 7u, 4u, 5u, 6u, 11u, 8u, 9u, 10u, 15u, 12u, 13u, 14u
};
// Convert ARGB to RGBA.
LIBYUV_API
int ARGBToRGBA(const uint8* src_argb, int src_stride_argb,
uint8* dst_rgba, int dst_stride_rgba,
int width, int height) {
return ARGBShuffle(src_argb, src_stride_argb,
dst_rgba, dst_stride_rgba,
(const uint8*)(&kShuffleMaskARGBToRGBA),
width, height);
}
// Convert ARGB To RGB24.
LIBYUV_API
int ARGBToRGB24(const uint8* src_argb, int src_stride_argb,
uint8* dst_rgb24, int dst_stride_rgb24,
int width, int height) {
int y;
void (*ARGBToRGB24Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
ARGBToRGB24Row_C;
if (!src_argb || !dst_rgb24 || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
// Coalesce rows.
if (src_stride_argb == width * 4 &&
dst_stride_rgb24 == width * 3) {
width *= height;
height = 1;
src_stride_argb = dst_stride_rgb24 = 0;
}
#if defined(HAS_ARGBTORGB24ROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToRGB24Row = ARGBToRGB24Row_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToRGB24Row = ARGBToRGB24Row_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTORGB24ROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToRGB24Row = ARGBToRGB24Row_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToRGB24Row = ARGBToRGB24Row_NEON;
}
}
#endif
for (y = 0; y < height; ++y) {
ARGBToRGB24Row(src_argb, dst_rgb24, width);
src_argb += src_stride_argb;
dst_rgb24 += dst_stride_rgb24;
}
return 0;
}
// Convert ARGB To RAW.
LIBYUV_API
int ARGBToRAW(const uint8* src_argb, int src_stride_argb,
uint8* dst_raw, int dst_stride_raw,
int width, int height) {
int y;
void (*ARGBToRAWRow)(const uint8* src_argb, uint8* dst_rgb, int pix) =
ARGBToRAWRow_C;
if (!src_argb || !dst_raw || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
// Coalesce rows.
if (src_stride_argb == width * 4 &&
dst_stride_raw == width * 3) {
width *= height;
height = 1;
src_stride_argb = dst_stride_raw = 0;
}
#if defined(HAS_ARGBTORAWROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToRAWRow = ARGBToRAWRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToRAWRow = ARGBToRAWRow_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTORAWROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToRAWRow = ARGBToRAWRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToRAWRow = ARGBToRAWRow_NEON;
}
}
#endif
for (y = 0; y < height; ++y) {
ARGBToRAWRow(src_argb, dst_raw, width);
src_argb += src_stride_argb;
dst_raw += dst_stride_raw;
}
return 0;
}
// Ordered 8x8 dither for 888 to 565. Values from 0 to 7.
static const uint8 kDither565_4x4[16] = {
0, 4, 1, 5,
6, 2, 7, 3,
1, 5, 0, 4,
7, 3, 6, 2,
};
// Convert ARGB To RGB565 with 4x4 dither matrix (16 bytes).
LIBYUV_API
int ARGBToRGB565Dither(const uint8* src_argb, int src_stride_argb,
uint8* dst_rgb565, int dst_stride_rgb565,
const uint8* dither4x4, int width, int height) {
int y;
void (*ARGBToRGB565DitherRow)(const uint8* src_argb, uint8* dst_rgb,
const uint32 dither4, int pix) = ARGBToRGB565DitherRow_C;
if (!src_argb || !dst_rgb565 || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
if (!dither4x4) {
dither4x4 = kDither565_4x4;
}
#if defined(HAS_ARGBTORGB565DITHERROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_Any_SSE2;
if (IS_ALIGNED(width, 4)) {
ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_SSE2;
}
}
#endif
#if defined(HAS_ARGBTORGB565DITHERROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_Any_AVX2;
if (IS_ALIGNED(width, 8)) {
ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_AVX2;
}
}
#endif
#if defined(HAS_ARGBTORGB565DITHERROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_NEON;
}
}
#endif
for (y = 0; y < height; ++y) {
ARGBToRGB565DitherRow(src_argb, dst_rgb565,
*(uint32*)(dither4x4 + ((y & 3) << 2)), width);
src_argb += src_stride_argb;
dst_rgb565 += dst_stride_rgb565;
}
return 0;
}
// Convert ARGB To RGB565.
// TODO(fbarchard): Consider using dither function low level with zeros.
LIBYUV_API
int ARGBToRGB565(const uint8* src_argb, int src_stride_argb,
uint8* dst_rgb565, int dst_stride_rgb565,
int width, int height) {
int y;
void (*ARGBToRGB565Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
ARGBToRGB565Row_C;
if (!src_argb || !dst_rgb565 || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
// Coalesce rows.
if (src_stride_argb == width * 4 &&
dst_stride_rgb565 == width * 2) {
width *= height;
height = 1;
src_stride_argb = dst_stride_rgb565 = 0;
}
#if defined(HAS_ARGBTORGB565ROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
ARGBToRGB565Row = ARGBToRGB565Row_Any_SSE2;
if (IS_ALIGNED(width, 4)) {
ARGBToRGB565Row = ARGBToRGB565Row_SSE2;
}
}
#endif
#if defined(HAS_ARGBTORGB565ROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBToRGB565Row = ARGBToRGB565Row_Any_AVX2;
if (IS_ALIGNED(width, 8)) {
ARGBToRGB565Row = ARGBToRGB565Row_AVX2;
}
}
#endif
#if defined(HAS_ARGBTORGB565ROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToRGB565Row = ARGBToRGB565Row_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToRGB565Row = ARGBToRGB565Row_NEON;
}
}
#endif
for (y = 0; y < height; ++y) {
ARGBToRGB565Row(src_argb, dst_rgb565, width);
src_argb += src_stride_argb;
dst_rgb565 += dst_stride_rgb565;
}
return 0;
}
// Convert ARGB To ARGB1555.
LIBYUV_API
int ARGBToARGB1555(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb1555, int dst_stride_argb1555,
int width, int height) {
int y;
void (*ARGBToARGB1555Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
ARGBToARGB1555Row_C;
if (!src_argb || !dst_argb1555 || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
// Coalesce rows.
if (src_stride_argb == width * 4 &&
dst_stride_argb1555 == width * 2) {
width *= height;
height = 1;
src_stride_argb = dst_stride_argb1555 = 0;
}
#if defined(HAS_ARGBTOARGB1555ROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
ARGBToARGB1555Row = ARGBToARGB1555Row_Any_SSE2;
if (IS_ALIGNED(width, 4)) {
ARGBToARGB1555Row = ARGBToARGB1555Row_SSE2;
}
}
#endif
#if defined(HAS_ARGBTOARGB1555ROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBToARGB1555Row = ARGBToARGB1555Row_Any_AVX2;
if (IS_ALIGNED(width, 8)) {
ARGBToARGB1555Row = ARGBToARGB1555Row_AVX2;
}
}
#endif
#if defined(HAS_ARGBTOARGB1555ROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToARGB1555Row = ARGBToARGB1555Row_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToARGB1555Row = ARGBToARGB1555Row_NEON;
}
}
#endif
for (y = 0; y < height; ++y) {
ARGBToARGB1555Row(src_argb, dst_argb1555, width);
src_argb += src_stride_argb;
dst_argb1555 += dst_stride_argb1555;
}
return 0;
}
// Convert ARGB To ARGB4444.
LIBYUV_API
int ARGBToARGB4444(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb4444, int dst_stride_argb4444,
int width, int height) {
int y;
void (*ARGBToARGB4444Row)(const uint8* src_argb, uint8* dst_rgb, int pix) =
ARGBToARGB4444Row_C;
if (!src_argb || !dst_argb4444 || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
// Coalesce rows.
if (src_stride_argb == width * 4 &&
dst_stride_argb4444 == width * 2) {
width *= height;
height = 1;
src_stride_argb = dst_stride_argb4444 = 0;
}
#if defined(HAS_ARGBTOARGB4444ROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
ARGBToARGB4444Row = ARGBToARGB4444Row_Any_SSE2;
if (IS_ALIGNED(width, 4)) {
ARGBToARGB4444Row = ARGBToARGB4444Row_SSE2;
}
}
#endif
#if defined(HAS_ARGBTOARGB4444ROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBToARGB4444Row = ARGBToARGB4444Row_Any_AVX2;
if (IS_ALIGNED(width, 8)) {
ARGBToARGB4444Row = ARGBToARGB4444Row_AVX2;
}
}
#endif
#if defined(HAS_ARGBTOARGB4444ROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToARGB4444Row = ARGBToARGB4444Row_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToARGB4444Row = ARGBToARGB4444Row_NEON;
}
}
#endif
for (y = 0; y < height; ++y) {
ARGBToARGB4444Row(src_argb, dst_argb4444, width);
src_argb += src_stride_argb;
dst_argb4444 += dst_stride_argb4444;
}
return 0;
}
// Convert ARGB to J420. (JPeg full range I420).
LIBYUV_API
int ARGBToJ420(const uint8* src_argb, int src_stride_argb,
uint8* dst_yj, int dst_stride_yj,
uint8* dst_u, int dst_stride_u,
uint8* dst_v, int dst_stride_v,
int width, int height) {
int y;
void (*ARGBToUVJRow)(const uint8* src_argb0, int src_stride_argb,
uint8* dst_u, uint8* dst_v, int width) = ARGBToUVJRow_C;
void (*ARGBToYJRow)(const uint8* src_argb, uint8* dst_yj, int pix) =
ARGBToYJRow_C;
if (!src_argb ||
!dst_yj || !dst_u || !dst_v ||
width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
#if defined(HAS_ARGBTOYJROW_SSSE3) && defined(HAS_ARGBTOUVJROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToUVJRow = ARGBToUVJRow_Any_SSSE3;
ARGBToYJRow = ARGBToYJRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToUVJRow = ARGBToUVJRow_SSSE3;
ARGBToYJRow = ARGBToYJRow_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTOYJROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBToYJRow = ARGBToYJRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
ARGBToYJRow = ARGBToYJRow_AVX2;
}
}
#endif
#if defined(HAS_ARGBTOYJROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToYJRow = ARGBToYJRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToYJRow = ARGBToYJRow_NEON;
}
}
#endif
#if defined(HAS_ARGBTOUVJROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToUVJRow = ARGBToUVJRow_Any_NEON;
if (IS_ALIGNED(width, 16)) {
ARGBToUVJRow = ARGBToUVJRow_NEON;
}
}
#endif
for (y = 0; y < height - 1; y += 2) {
ARGBToUVJRow(src_argb, src_stride_argb, dst_u, dst_v, width);
ARGBToYJRow(src_argb, dst_yj, width);
ARGBToYJRow(src_argb + src_stride_argb, dst_yj + dst_stride_yj, width);
src_argb += src_stride_argb * 2;
dst_yj += dst_stride_yj * 2;
dst_u += dst_stride_u;
dst_v += dst_stride_v;
}
if (height & 1) {
ARGBToUVJRow(src_argb, 0, dst_u, dst_v, width);
ARGBToYJRow(src_argb, dst_yj, width);
}
return 0;
}
// ARGB little endian (bgra in memory) to J422
LIBYUV_API
int ARGBToJ422(const uint8* src_argb, int src_stride_argb,
uint8* dst_y, int dst_stride_y,
uint8* dst_u, int dst_stride_u,
uint8* dst_v, int dst_stride_v,
int width, int height) {
int y;
void (*ARGBToUVJ422Row)(const uint8* src_argb, uint8* dst_u, uint8* dst_v,
int pix) = ARGBToUVJ422Row_C;
void (*ARGBToYJRow)(const uint8* src_argb, uint8* dst_y, int pix) =
ARGBToYJRow_C;
if (!src_argb || !dst_y || !dst_u || !dst_v || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
// Coalesce rows.
if (src_stride_argb == width * 4 &&
dst_stride_y == width &&
dst_stride_u * 2 == width &&
dst_stride_v * 2 == width) {
width *= height;
height = 1;
src_stride_argb = dst_stride_y = dst_stride_u = dst_stride_v = 0;
}
#if defined(HAS_ARGBTOUVJ422ROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToUVJ422Row = ARGBToUVJ422Row_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToUVJ422Row = ARGBToUVJ422Row_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTOUVJ422ROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToUVJ422Row = ARGBToUVJ422Row_Any_NEON;
if (IS_ALIGNED(width, 16)) {
ARGBToUVJ422Row = ARGBToUVJ422Row_NEON;
}
}
#endif
#if defined(HAS_ARGBTOYJROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToYJRow = ARGBToYJRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToYJRow = ARGBToYJRow_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTOYJROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBToYJRow = ARGBToYJRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
ARGBToYJRow = ARGBToYJRow_AVX2;
}
}
#endif
#if defined(HAS_ARGBTOYJROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToYJRow = ARGBToYJRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToYJRow = ARGBToYJRow_NEON;
}
}
#endif
for (y = 0; y < height; ++y) {
ARGBToUVJ422Row(src_argb, dst_u, dst_v, width);
ARGBToYJRow(src_argb, dst_y, width);
src_argb += src_stride_argb;
dst_y += dst_stride_y;
dst_u += dst_stride_u;
dst_v += dst_stride_v;
}
return 0;
}
// Convert ARGB to J400.
LIBYUV_API
int ARGBToJ400(const uint8* src_argb, int src_stride_argb,
uint8* dst_yj, int dst_stride_yj,
int width, int height) {
int y;
void (*ARGBToYJRow)(const uint8* src_argb, uint8* dst_yj, int pix) =
ARGBToYJRow_C;
if (!src_argb || !dst_yj || width <= 0 || height == 0) {
return -1;
}
if (height < 0) {
height = -height;
src_argb = src_argb + (height - 1) * src_stride_argb;
src_stride_argb = -src_stride_argb;
}
// Coalesce rows.
if (src_stride_argb == width * 4 &&
dst_stride_yj == width) {
width *= height;
height = 1;
src_stride_argb = dst_stride_yj = 0;
}
#if defined(HAS_ARGBTOYJROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBToYJRow = ARGBToYJRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
ARGBToYJRow = ARGBToYJRow_SSSE3;
}
}
#endif
#if defined(HAS_ARGBTOYJROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBToYJRow = ARGBToYJRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
ARGBToYJRow = ARGBToYJRow_AVX2;
}
}
#endif
#if defined(HAS_ARGBTOYJROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBToYJRow = ARGBToYJRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBToYJRow = ARGBToYJRow_NEON;
}
}
#endif
for (y = 0; y < height; ++y) {
ARGBToYJRow(src_argb, dst_yj, width);
src_argb += src_stride_argb;
dst_yj += dst_stride_yj;
}
return 0;
}
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
#endif