ref: 1fa6e2912ca6f7bd7a902e0aff46439e3e117e05
dir: /third_party/libyuv/source/convert_argb.cc/
/*
* Copyright 2011 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_argb.h"
#include "libyuv/cpu_id.h"
#ifdef HAVE_JPEG
#include "libyuv/mjpeg_decoder.h"
#endif
#include "libyuv/planar_functions.h" // For CopyPlane and ARGBShuffle.
#include "libyuv/rotate_argb.h"
#include "libyuv/row.h"
#include "libyuv/video_common.h"
#ifdef __cplusplus
namespace libyuv {
extern "C" {
#endif
// Copy ARGB with optional flipping
LIBYUV_API
int ARGBCopy(const uint8_t* src_argb,
int src_stride_argb,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
if (!src_argb || !dst_argb || 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;
}
CopyPlane(src_argb, src_stride_argb, dst_argb, dst_stride_argb, width * 4,
height);
return 0;
}
// Convert I420 to ARGB with matrix
static int I420ToARGBMatrix(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_argb,
int dst_stride_argb,
const struct YuvConstants* yuvconstants,
int width,
int height) {
int y;
void (*I422ToARGBRow)(const uint8_t* y_buf, const uint8_t* u_buf,
const uint8_t* v_buf, uint8_t* rgb_buf,
const struct YuvConstants* yuvconstants, int width) =
I422ToARGBRow_C;
if (!src_y || !src_u || !src_v || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_argb = dst_argb + (height - 1) * dst_stride_argb;
dst_stride_argb = -dst_stride_argb;
}
#if defined(HAS_I422TOARGBROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
I422ToARGBRow = I422ToARGBRow_Any_SSSE3;
if (IS_ALIGNED(width, 8)) {
I422ToARGBRow = I422ToARGBRow_SSSE3;
}
}
#endif
#if defined(HAS_I422TOARGBROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
I422ToARGBRow = I422ToARGBRow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
I422ToARGBRow = I422ToARGBRow_AVX2;
}
}
#endif
#if defined(HAS_I422TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
I422ToARGBRow = I422ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
I422ToARGBRow = I422ToARGBRow_NEON;
}
}
#endif
#if defined(HAS_I422TOARGBROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
I422ToARGBRow = I422ToARGBRow_Any_MSA;
if (IS_ALIGNED(width, 8)) {
I422ToARGBRow = I422ToARGBRow_MSA;
}
}
#endif
for (y = 0; y < height; ++y) {
I422ToARGBRow(src_y, src_u, src_v, dst_argb, yuvconstants, width);
dst_argb += dst_stride_argb;
src_y += src_stride_y;
if (y & 1) {
src_u += src_stride_u;
src_v += src_stride_v;
}
}
return 0;
}
// Convert I420 to ARGB.
LIBYUV_API
int I420ToARGB(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return I420ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_argb, dst_stride_argb,
&kYuvI601Constants, width, height);
}
// Convert I420 to ABGR.
LIBYUV_API
int I420ToABGR(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_abgr,
int dst_stride_abgr,
int width,
int height) {
return I420ToARGBMatrix(src_y, src_stride_y, src_v,
src_stride_v, // Swap U and V
src_u, src_stride_u, dst_abgr, dst_stride_abgr,
&kYvuI601Constants, // Use Yvu matrix
width, height);
}
// Convert J420 to ARGB.
LIBYUV_API
int J420ToARGB(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return I420ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_argb, dst_stride_argb,
&kYuvJPEGConstants, width, height);
}
// Convert J420 to ABGR.
LIBYUV_API
int J420ToABGR(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_abgr,
int dst_stride_abgr,
int width,
int height) {
return I420ToARGBMatrix(src_y, src_stride_y, src_v,
src_stride_v, // Swap U and V
src_u, src_stride_u, dst_abgr, dst_stride_abgr,
&kYvuJPEGConstants, // Use Yvu matrix
width, height);
}
// Convert H420 to ARGB.
LIBYUV_API
int H420ToARGB(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return I420ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_argb, dst_stride_argb,
&kYuvH709Constants, width, height);
}
// Convert H420 to ABGR.
LIBYUV_API
int H420ToABGR(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_abgr,
int dst_stride_abgr,
int width,
int height) {
return I420ToARGBMatrix(src_y, src_stride_y, src_v,
src_stride_v, // Swap U and V
src_u, src_stride_u, dst_abgr, dst_stride_abgr,
&kYvuH709Constants, // Use Yvu matrix
width, height);
}
// Convert I422 to ARGB with matrix
static int I422ToARGBMatrix(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_argb,
int dst_stride_argb,
const struct YuvConstants* yuvconstants,
int width,
int height) {
int y;
void (*I422ToARGBRow)(const uint8_t* y_buf, const uint8_t* u_buf,
const uint8_t* v_buf, uint8_t* rgb_buf,
const struct YuvConstants* yuvconstants, int width) =
I422ToARGBRow_C;
if (!src_y || !src_u || !src_v || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_argb = dst_argb + (height - 1) * dst_stride_argb;
dst_stride_argb = -dst_stride_argb;
}
// Coalesce rows.
if (src_stride_y == width && src_stride_u * 2 == width &&
src_stride_v * 2 == width && dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_y = src_stride_u = src_stride_v = dst_stride_argb = 0;
}
#if defined(HAS_I422TOARGBROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
I422ToARGBRow = I422ToARGBRow_Any_SSSE3;
if (IS_ALIGNED(width, 8)) {
I422ToARGBRow = I422ToARGBRow_SSSE3;
}
}
#endif
#if defined(HAS_I422TOARGBROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
I422ToARGBRow = I422ToARGBRow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
I422ToARGBRow = I422ToARGBRow_AVX2;
}
}
#endif
#if defined(HAS_I422TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
I422ToARGBRow = I422ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
I422ToARGBRow = I422ToARGBRow_NEON;
}
}
#endif
#if defined(HAS_I422TOARGBROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
I422ToARGBRow = I422ToARGBRow_Any_MSA;
if (IS_ALIGNED(width, 8)) {
I422ToARGBRow = I422ToARGBRow_MSA;
}
}
#endif
for (y = 0; y < height; ++y) {
I422ToARGBRow(src_y, src_u, src_v, dst_argb, yuvconstants, width);
dst_argb += dst_stride_argb;
src_y += src_stride_y;
src_u += src_stride_u;
src_v += src_stride_v;
}
return 0;
}
// Convert I422 to ARGB.
LIBYUV_API
int I422ToARGB(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return I422ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_argb, dst_stride_argb,
&kYuvI601Constants, width, height);
}
// Convert I422 to ABGR.
LIBYUV_API
int I422ToABGR(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_abgr,
int dst_stride_abgr,
int width,
int height) {
return I422ToARGBMatrix(src_y, src_stride_y, src_v,
src_stride_v, // Swap U and V
src_u, src_stride_u, dst_abgr, dst_stride_abgr,
&kYvuI601Constants, // Use Yvu matrix
width, height);
}
// Convert J422 to ARGB.
LIBYUV_API
int J422ToARGB(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return I422ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_argb, dst_stride_argb,
&kYuvJPEGConstants, width, height);
}
// Convert J422 to ABGR.
LIBYUV_API
int J422ToABGR(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_abgr,
int dst_stride_abgr,
int width,
int height) {
return I422ToARGBMatrix(src_y, src_stride_y, src_v,
src_stride_v, // Swap U and V
src_u, src_stride_u, dst_abgr, dst_stride_abgr,
&kYvuJPEGConstants, // Use Yvu matrix
width, height);
}
// Convert H422 to ARGB.
LIBYUV_API
int H422ToARGB(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return I422ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_argb, dst_stride_argb,
&kYuvH709Constants, width, height);
}
// Convert H422 to ABGR.
LIBYUV_API
int H422ToABGR(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_abgr,
int dst_stride_abgr,
int width,
int height) {
return I422ToARGBMatrix(src_y, src_stride_y, src_v,
src_stride_v, // Swap U and V
src_u, src_stride_u, dst_abgr, dst_stride_abgr,
&kYvuH709Constants, // Use Yvu matrix
width, height);
}
// Convert 10 bit YUV to ARGB with matrix
// TODO(fbarchard): Consider passing scale multiplier to I210ToARGB to
// multiply 10 bit yuv into high bits to allow any number of bits.
static int I010ToAR30Matrix(const uint16_t* src_y,
int src_stride_y,
const uint16_t* src_u,
int src_stride_u,
const uint16_t* src_v,
int src_stride_v,
uint8_t* dst_ar30,
int dst_stride_ar30,
const struct YuvConstants* yuvconstants,
int width,
int height) {
int y;
void (*I210ToAR30Row)(const uint16_t* y_buf, const uint16_t* u_buf,
const uint16_t* v_buf, uint8_t* rgb_buf,
const struct YuvConstants* yuvconstants, int width) =
I210ToAR30Row_C;
if (!src_y || !src_u || !src_v || !dst_ar30 || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_ar30 = dst_ar30 + (height - 1) * dst_stride_ar30;
dst_stride_ar30 = -dst_stride_ar30;
}
#if defined(HAS_I210TOAR30ROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
I210ToAR30Row = I210ToAR30Row_Any_SSSE3;
if (IS_ALIGNED(width, 8)) {
I210ToAR30Row = I210ToAR30Row_SSSE3;
}
}
#endif
#if defined(HAS_I210TOAR30ROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
I210ToAR30Row = I210ToAR30Row_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
I210ToAR30Row = I210ToAR30Row_AVX2;
}
}
#endif
for (y = 0; y < height; ++y) {
I210ToAR30Row(src_y, src_u, src_v, dst_ar30, yuvconstants, width);
dst_ar30 += dst_stride_ar30;
src_y += src_stride_y;
if (y & 1) {
src_u += src_stride_u;
src_v += src_stride_v;
}
}
return 0;
}
// Convert I010 to AR30.
LIBYUV_API
int I010ToAR30(const uint16_t* src_y,
int src_stride_y,
const uint16_t* src_u,
int src_stride_u,
const uint16_t* src_v,
int src_stride_v,
uint8_t* dst_ar30,
int dst_stride_ar30,
int width,
int height) {
return I010ToAR30Matrix(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_ar30, dst_stride_ar30,
&kYuvI601Constants, width, height);
}
// Convert H010 to AR30.
LIBYUV_API
int H010ToAR30(const uint16_t* src_y,
int src_stride_y,
const uint16_t* src_u,
int src_stride_u,
const uint16_t* src_v,
int src_stride_v,
uint8_t* dst_ar30,
int dst_stride_ar30,
int width,
int height) {
return I010ToAR30Matrix(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_ar30, dst_stride_ar30,
&kYuvH709Constants, width, height);
}
// Convert I010 to AB30.
LIBYUV_API
int I010ToAB30(const uint16_t* src_y,
int src_stride_y,
const uint16_t* src_u,
int src_stride_u,
const uint16_t* src_v,
int src_stride_v,
uint8_t* dst_ab30,
int dst_stride_ab30,
int width,
int height) {
return I010ToAR30Matrix(src_y, src_stride_y, src_v, src_stride_v, src_u,
src_stride_u, dst_ab30, dst_stride_ab30,
&kYvuI601Constants, width, height);
}
// Convert H010 to AB30.
LIBYUV_API
int H010ToAB30(const uint16_t* src_y,
int src_stride_y,
const uint16_t* src_u,
int src_stride_u,
const uint16_t* src_v,
int src_stride_v,
uint8_t* dst_ab30,
int dst_stride_ab30,
int width,
int height) {
return I010ToAR30Matrix(src_y, src_stride_y, src_v, src_stride_v, src_u,
src_stride_u, dst_ab30, dst_stride_ab30,
&kYvuH709Constants, width, height);
}
// Convert 10 bit YUV to ARGB with matrix
static int I010ToARGBMatrix(const uint16_t* src_y,
int src_stride_y,
const uint16_t* src_u,
int src_stride_u,
const uint16_t* src_v,
int src_stride_v,
uint8_t* dst_argb,
int dst_stride_argb,
const struct YuvConstants* yuvconstants,
int width,
int height) {
int y;
void (*I210ToARGBRow)(const uint16_t* y_buf, const uint16_t* u_buf,
const uint16_t* v_buf, uint8_t* rgb_buf,
const struct YuvConstants* yuvconstants, int width) =
I210ToARGBRow_C;
if (!src_y || !src_u || !src_v || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_argb = dst_argb + (height - 1) * dst_stride_argb;
dst_stride_argb = -dst_stride_argb;
}
#if defined(HAS_I210TOARGBROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
I210ToARGBRow = I210ToARGBRow_Any_SSSE3;
if (IS_ALIGNED(width, 8)) {
I210ToARGBRow = I210ToARGBRow_SSSE3;
}
}
#endif
#if defined(HAS_I210TOARGBROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
I210ToARGBRow = I210ToARGBRow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
I210ToARGBRow = I210ToARGBRow_AVX2;
}
}
#endif
for (y = 0; y < height; ++y) {
I210ToARGBRow(src_y, src_u, src_v, dst_argb, yuvconstants, width);
dst_argb += dst_stride_argb;
src_y += src_stride_y;
if (y & 1) {
src_u += src_stride_u;
src_v += src_stride_v;
}
}
return 0;
}
// Convert I010 to ARGB.
LIBYUV_API
int I010ToARGB(const uint16_t* src_y,
int src_stride_y,
const uint16_t* src_u,
int src_stride_u,
const uint16_t* src_v,
int src_stride_v,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return I010ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_argb, dst_stride_argb,
&kYuvI601Constants, width, height);
}
// Convert I010 to ABGR.
LIBYUV_API
int I010ToABGR(const uint16_t* src_y,
int src_stride_y,
const uint16_t* src_u,
int src_stride_u,
const uint16_t* src_v,
int src_stride_v,
uint8_t* dst_abgr,
int dst_stride_abgr,
int width,
int height) {
return I010ToARGBMatrix(src_y, src_stride_y, src_v,
src_stride_v, // Swap U and V
src_u, src_stride_u, dst_abgr, dst_stride_abgr,
&kYvuI601Constants, // Use Yvu matrix
width, height);
}
// Convert H010 to ARGB.
LIBYUV_API
int H010ToARGB(const uint16_t* src_y,
int src_stride_y,
const uint16_t* src_u,
int src_stride_u,
const uint16_t* src_v,
int src_stride_v,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return I010ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_argb, dst_stride_argb,
&kYuvH709Constants, width, height);
}
// Convert H010 to ABGR.
LIBYUV_API
int H010ToABGR(const uint16_t* src_y,
int src_stride_y,
const uint16_t* src_u,
int src_stride_u,
const uint16_t* src_v,
int src_stride_v,
uint8_t* dst_abgr,
int dst_stride_abgr,
int width,
int height) {
return I010ToARGBMatrix(src_y, src_stride_y, src_v,
src_stride_v, // Swap U and V
src_u, src_stride_u, dst_abgr, dst_stride_abgr,
&kYvuH709Constants, // Use Yvu matrix
width, height);
}
// Convert I444 to ARGB with matrix
static int I444ToARGBMatrix(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_argb,
int dst_stride_argb,
const struct YuvConstants* yuvconstants,
int width,
int height) {
int y;
void (*I444ToARGBRow)(const uint8_t* y_buf, const uint8_t* u_buf,
const uint8_t* v_buf, uint8_t* rgb_buf,
const struct YuvConstants* yuvconstants, int width) =
I444ToARGBRow_C;
if (!src_y || !src_u || !src_v || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_argb = dst_argb + (height - 1) * dst_stride_argb;
dst_stride_argb = -dst_stride_argb;
}
// Coalesce rows.
if (src_stride_y == width && src_stride_u == width && src_stride_v == width &&
dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_y = src_stride_u = src_stride_v = dst_stride_argb = 0;
}
#if defined(HAS_I444TOARGBROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
I444ToARGBRow = I444ToARGBRow_Any_SSSE3;
if (IS_ALIGNED(width, 8)) {
I444ToARGBRow = I444ToARGBRow_SSSE3;
}
}
#endif
#if defined(HAS_I444TOARGBROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
I444ToARGBRow = I444ToARGBRow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
I444ToARGBRow = I444ToARGBRow_AVX2;
}
}
#endif
#if defined(HAS_I444TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
I444ToARGBRow = I444ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
I444ToARGBRow = I444ToARGBRow_NEON;
}
}
#endif
#if defined(HAS_I444TOARGBROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
I444ToARGBRow = I444ToARGBRow_Any_MSA;
if (IS_ALIGNED(width, 8)) {
I444ToARGBRow = I444ToARGBRow_MSA;
}
}
#endif
for (y = 0; y < height; ++y) {
I444ToARGBRow(src_y, src_u, src_v, dst_argb, yuvconstants, width);
dst_argb += dst_stride_argb;
src_y += src_stride_y;
src_u += src_stride_u;
src_v += src_stride_v;
}
return 0;
}
// Convert I444 to ARGB.
LIBYUV_API
int I444ToARGB(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return I444ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_argb, dst_stride_argb,
&kYuvI601Constants, width, height);
}
// Convert I444 to ABGR.
LIBYUV_API
int I444ToABGR(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_abgr,
int dst_stride_abgr,
int width,
int height) {
return I444ToARGBMatrix(src_y, src_stride_y, src_v,
src_stride_v, // Swap U and V
src_u, src_stride_u, dst_abgr, dst_stride_abgr,
&kYvuI601Constants, // Use Yvu matrix
width, height);
}
// Convert J444 to ARGB.
LIBYUV_API
int J444ToARGB(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return I444ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_argb, dst_stride_argb,
&kYuvJPEGConstants, width, height);
}
// Convert I420 with Alpha to preattenuated ARGB.
static int I420AlphaToARGBMatrix(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
const uint8_t* src_a,
int src_stride_a,
uint8_t* dst_argb,
int dst_stride_argb,
const struct YuvConstants* yuvconstants,
int width,
int height,
int attenuate) {
int y;
void (*I422AlphaToARGBRow)(const uint8_t* y_buf, const uint8_t* u_buf,
const uint8_t* v_buf, const uint8_t* a_buf,
uint8_t* dst_argb,
const struct YuvConstants* yuvconstants,
int width) = I422AlphaToARGBRow_C;
void (*ARGBAttenuateRow)(const uint8_t* src_argb, uint8_t* dst_argb,
int width) = ARGBAttenuateRow_C;
if (!src_y || !src_u || !src_v || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_argb = dst_argb + (height - 1) * dst_stride_argb;
dst_stride_argb = -dst_stride_argb;
}
#if defined(HAS_I422ALPHATOARGBROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
I422AlphaToARGBRow = I422AlphaToARGBRow_Any_SSSE3;
if (IS_ALIGNED(width, 8)) {
I422AlphaToARGBRow = I422AlphaToARGBRow_SSSE3;
}
}
#endif
#if defined(HAS_I422ALPHATOARGBROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
I422AlphaToARGBRow = I422AlphaToARGBRow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
I422AlphaToARGBRow = I422AlphaToARGBRow_AVX2;
}
}
#endif
#if defined(HAS_I422ALPHATOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
I422AlphaToARGBRow = I422AlphaToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
I422AlphaToARGBRow = I422AlphaToARGBRow_NEON;
}
}
#endif
#if defined(HAS_I422ALPHATOARGBROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
I422AlphaToARGBRow = I422AlphaToARGBRow_Any_MSA;
if (IS_ALIGNED(width, 8)) {
I422AlphaToARGBRow = I422AlphaToARGBRow_MSA;
}
}
#endif
#if defined(HAS_ARGBATTENUATEROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBAttenuateRow = ARGBAttenuateRow_Any_SSSE3;
if (IS_ALIGNED(width, 4)) {
ARGBAttenuateRow = ARGBAttenuateRow_SSSE3;
}
}
#endif
#if defined(HAS_ARGBATTENUATEROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBAttenuateRow = ARGBAttenuateRow_Any_AVX2;
if (IS_ALIGNED(width, 8)) {
ARGBAttenuateRow = ARGBAttenuateRow_AVX2;
}
}
#endif
#if defined(HAS_ARGBATTENUATEROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBAttenuateRow = ARGBAttenuateRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBAttenuateRow = ARGBAttenuateRow_NEON;
}
}
#endif
#if defined(HAS_ARGBATTENUATEROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
ARGBAttenuateRow = ARGBAttenuateRow_Any_MSA;
if (IS_ALIGNED(width, 8)) {
ARGBAttenuateRow = ARGBAttenuateRow_MSA;
}
}
#endif
for (y = 0; y < height; ++y) {
I422AlphaToARGBRow(src_y, src_u, src_v, src_a, dst_argb, yuvconstants,
width);
if (attenuate) {
ARGBAttenuateRow(dst_argb, dst_argb, width);
}
dst_argb += dst_stride_argb;
src_a += src_stride_a;
src_y += src_stride_y;
if (y & 1) {
src_u += src_stride_u;
src_v += src_stride_v;
}
}
return 0;
}
// Convert I420 with Alpha to ARGB.
LIBYUV_API
int I420AlphaToARGB(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
const uint8_t* src_a,
int src_stride_a,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height,
int attenuate) {
return I420AlphaToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, src_a, src_stride_a, dst_argb,
dst_stride_argb, &kYuvI601Constants, width,
height, attenuate);
}
// Convert I420 with Alpha to ABGR.
LIBYUV_API
int I420AlphaToABGR(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
const uint8_t* src_a,
int src_stride_a,
uint8_t* dst_abgr,
int dst_stride_abgr,
int width,
int height,
int attenuate) {
return I420AlphaToARGBMatrix(
src_y, src_stride_y, src_v, src_stride_v, // Swap U and V
src_u, src_stride_u, src_a, src_stride_a, dst_abgr, dst_stride_abgr,
&kYvuI601Constants, // Use Yvu matrix
width, height, attenuate);
}
// Convert I400 to ARGB.
LIBYUV_API
int I400ToARGB(const uint8_t* src_y,
int src_stride_y,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
int y;
void (*I400ToARGBRow)(const uint8_t* y_buf, uint8_t* rgb_buf, int width) =
I400ToARGBRow_C;
if (!src_y || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_argb = dst_argb + (height - 1) * dst_stride_argb;
dst_stride_argb = -dst_stride_argb;
}
// Coalesce rows.
if (src_stride_y == width && dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_y = dst_stride_argb = 0;
}
#if defined(HAS_I400TOARGBROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
I400ToARGBRow = I400ToARGBRow_Any_SSE2;
if (IS_ALIGNED(width, 8)) {
I400ToARGBRow = I400ToARGBRow_SSE2;
}
}
#endif
#if defined(HAS_I400TOARGBROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
I400ToARGBRow = I400ToARGBRow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
I400ToARGBRow = I400ToARGBRow_AVX2;
}
}
#endif
#if defined(HAS_I400TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
I400ToARGBRow = I400ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
I400ToARGBRow = I400ToARGBRow_NEON;
}
}
#endif
#if defined(HAS_I400TOARGBROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
I400ToARGBRow = I400ToARGBRow_Any_MSA;
if (IS_ALIGNED(width, 16)) {
I400ToARGBRow = I400ToARGBRow_MSA;
}
}
#endif
for (y = 0; y < height; ++y) {
I400ToARGBRow(src_y, dst_argb, width);
dst_argb += dst_stride_argb;
src_y += src_stride_y;
}
return 0;
}
// Convert J400 to ARGB.
LIBYUV_API
int J400ToARGB(const uint8_t* src_y,
int src_stride_y,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
int y;
void (*J400ToARGBRow)(const uint8_t* src_y, uint8_t* dst_argb, int width) =
J400ToARGBRow_C;
if (!src_y || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
src_y = src_y + (height - 1) * src_stride_y;
src_stride_y = -src_stride_y;
}
// Coalesce rows.
if (src_stride_y == width && dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_y = dst_stride_argb = 0;
}
#if defined(HAS_J400TOARGBROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
J400ToARGBRow = J400ToARGBRow_Any_SSE2;
if (IS_ALIGNED(width, 8)) {
J400ToARGBRow = J400ToARGBRow_SSE2;
}
}
#endif
#if defined(HAS_J400TOARGBROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
J400ToARGBRow = J400ToARGBRow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
J400ToARGBRow = J400ToARGBRow_AVX2;
}
}
#endif
#if defined(HAS_J400TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
J400ToARGBRow = J400ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
J400ToARGBRow = J400ToARGBRow_NEON;
}
}
#endif
#if defined(HAS_J400TOARGBROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
J400ToARGBRow = J400ToARGBRow_Any_MSA;
if (IS_ALIGNED(width, 16)) {
J400ToARGBRow = J400ToARGBRow_MSA;
}
}
#endif
for (y = 0; y < height; ++y) {
J400ToARGBRow(src_y, dst_argb, width);
src_y += src_stride_y;
dst_argb += dst_stride_argb;
}
return 0;
}
// Shuffle table for converting BGRA to ARGB.
static const uvec8 kShuffleMaskBGRAToARGB = {
3u, 2u, 1u, 0u, 7u, 6u, 5u, 4u, 11u, 10u, 9u, 8u, 15u, 14u, 13u, 12u};
// Shuffle table for converting ABGR to ARGB.
static const uvec8 kShuffleMaskABGRToARGB = {
2u, 1u, 0u, 3u, 6u, 5u, 4u, 7u, 10u, 9u, 8u, 11u, 14u, 13u, 12u, 15u};
// Shuffle table for converting RGBA to ARGB.
static const uvec8 kShuffleMaskRGBAToARGB = {
1u, 2u, 3u, 0u, 5u, 6u, 7u, 4u, 9u, 10u, 11u, 8u, 13u, 14u, 15u, 12u};
// Convert BGRA to ARGB.
LIBYUV_API
int BGRAToARGB(const uint8_t* src_bgra,
int src_stride_bgra,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return ARGBShuffle(src_bgra, src_stride_bgra, dst_argb, dst_stride_argb,
(const uint8_t*)(&kShuffleMaskBGRAToARGB), width, height);
}
// Convert ARGB to BGRA (same as BGRAToARGB).
LIBYUV_API
int ARGBToBGRA(const uint8_t* src_bgra,
int src_stride_bgra,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return ARGBShuffle(src_bgra, src_stride_bgra, dst_argb, dst_stride_argb,
(const uint8_t*)(&kShuffleMaskBGRAToARGB), width, height);
}
// Convert ABGR to ARGB.
LIBYUV_API
int ABGRToARGB(const uint8_t* src_abgr,
int src_stride_abgr,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return ARGBShuffle(src_abgr, src_stride_abgr, dst_argb, dst_stride_argb,
(const uint8_t*)(&kShuffleMaskABGRToARGB), width, height);
}
// Convert ARGB to ABGR to (same as ABGRToARGB).
LIBYUV_API
int ARGBToABGR(const uint8_t* src_abgr,
int src_stride_abgr,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return ARGBShuffle(src_abgr, src_stride_abgr, dst_argb, dst_stride_argb,
(const uint8_t*)(&kShuffleMaskABGRToARGB), width, height);
}
// Convert RGBA to ARGB.
LIBYUV_API
int RGBAToARGB(const uint8_t* src_rgba,
int src_stride_rgba,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return ARGBShuffle(src_rgba, src_stride_rgba, dst_argb, dst_stride_argb,
(const uint8_t*)(&kShuffleMaskRGBAToARGB), width, height);
}
// Convert RGB24 to ARGB.
LIBYUV_API
int RGB24ToARGB(const uint8_t* src_rgb24,
int src_stride_rgb24,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
int y;
void (*RGB24ToARGBRow)(const uint8_t* src_rgb, uint8_t* dst_argb, int width) =
RGB24ToARGBRow_C;
if (!src_rgb24 || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
src_rgb24 = src_rgb24 + (height - 1) * src_stride_rgb24;
src_stride_rgb24 = -src_stride_rgb24;
}
// Coalesce rows.
if (src_stride_rgb24 == width * 3 && dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_rgb24 = dst_stride_argb = 0;
}
#if defined(HAS_RGB24TOARGBROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
RGB24ToARGBRow = RGB24ToARGBRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
RGB24ToARGBRow = RGB24ToARGBRow_SSSE3;
}
}
#endif
#if defined(HAS_RGB24TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
RGB24ToARGBRow = RGB24ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
RGB24ToARGBRow = RGB24ToARGBRow_NEON;
}
}
#endif
#if defined(HAS_RGB24TOARGBROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
RGB24ToARGBRow = RGB24ToARGBRow_Any_MSA;
if (IS_ALIGNED(width, 16)) {
RGB24ToARGBRow = RGB24ToARGBRow_MSA;
}
}
#endif
for (y = 0; y < height; ++y) {
RGB24ToARGBRow(src_rgb24, dst_argb, width);
src_rgb24 += src_stride_rgb24;
dst_argb += dst_stride_argb;
}
return 0;
}
// Convert RAW to ARGB.
LIBYUV_API
int RAWToARGB(const uint8_t* src_raw,
int src_stride_raw,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
int y;
void (*RAWToARGBRow)(const uint8_t* src_rgb, uint8_t* dst_argb, int width) =
RAWToARGBRow_C;
if (!src_raw || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
src_raw = src_raw + (height - 1) * src_stride_raw;
src_stride_raw = -src_stride_raw;
}
// Coalesce rows.
if (src_stride_raw == width * 3 && dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_raw = dst_stride_argb = 0;
}
#if defined(HAS_RAWTOARGBROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
RAWToARGBRow = RAWToARGBRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
RAWToARGBRow = RAWToARGBRow_SSSE3;
}
}
#endif
#if defined(HAS_RAWTOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
RAWToARGBRow = RAWToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
RAWToARGBRow = RAWToARGBRow_NEON;
}
}
#endif
#if defined(HAS_RAWTOARGBROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
RAWToARGBRow = RAWToARGBRow_Any_MSA;
if (IS_ALIGNED(width, 16)) {
RAWToARGBRow = RAWToARGBRow_MSA;
}
}
#endif
for (y = 0; y < height; ++y) {
RAWToARGBRow(src_raw, dst_argb, width);
src_raw += src_stride_raw;
dst_argb += dst_stride_argb;
}
return 0;
}
// Convert RGB565 to ARGB.
LIBYUV_API
int RGB565ToARGB(const uint8_t* src_rgb565,
int src_stride_rgb565,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
int y;
void (*RGB565ToARGBRow)(const uint8_t* src_rgb565, uint8_t* dst_argb,
int width) = RGB565ToARGBRow_C;
if (!src_rgb565 || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
src_rgb565 = src_rgb565 + (height - 1) * src_stride_rgb565;
src_stride_rgb565 = -src_stride_rgb565;
}
// Coalesce rows.
if (src_stride_rgb565 == width * 2 && dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_rgb565 = dst_stride_argb = 0;
}
#if defined(HAS_RGB565TOARGBROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
RGB565ToARGBRow = RGB565ToARGBRow_Any_SSE2;
if (IS_ALIGNED(width, 8)) {
RGB565ToARGBRow = RGB565ToARGBRow_SSE2;
}
}
#endif
#if defined(HAS_RGB565TOARGBROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
RGB565ToARGBRow = RGB565ToARGBRow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
RGB565ToARGBRow = RGB565ToARGBRow_AVX2;
}
}
#endif
#if defined(HAS_RGB565TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
RGB565ToARGBRow = RGB565ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
RGB565ToARGBRow = RGB565ToARGBRow_NEON;
}
}
#endif
#if defined(HAS_RGB565TOARGBROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
RGB565ToARGBRow = RGB565ToARGBRow_Any_MSA;
if (IS_ALIGNED(width, 16)) {
RGB565ToARGBRow = RGB565ToARGBRow_MSA;
}
}
#endif
for (y = 0; y < height; ++y) {
RGB565ToARGBRow(src_rgb565, dst_argb, width);
src_rgb565 += src_stride_rgb565;
dst_argb += dst_stride_argb;
}
return 0;
}
// Convert ARGB1555 to ARGB.
LIBYUV_API
int ARGB1555ToARGB(const uint8_t* src_argb1555,
int src_stride_argb1555,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
int y;
void (*ARGB1555ToARGBRow)(const uint8_t* src_argb1555, uint8_t* dst_argb,
int width) = ARGB1555ToARGBRow_C;
if (!src_argb1555 || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
src_argb1555 = src_argb1555 + (height - 1) * src_stride_argb1555;
src_stride_argb1555 = -src_stride_argb1555;
}
// Coalesce rows.
if (src_stride_argb1555 == width * 2 && dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_argb1555 = dst_stride_argb = 0;
}
#if defined(HAS_ARGB1555TOARGBROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
ARGB1555ToARGBRow = ARGB1555ToARGBRow_Any_SSE2;
if (IS_ALIGNED(width, 8)) {
ARGB1555ToARGBRow = ARGB1555ToARGBRow_SSE2;
}
}
#endif
#if defined(HAS_ARGB1555TOARGBROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGB1555ToARGBRow = ARGB1555ToARGBRow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
ARGB1555ToARGBRow = ARGB1555ToARGBRow_AVX2;
}
}
#endif
#if defined(HAS_ARGB1555TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGB1555ToARGBRow = ARGB1555ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGB1555ToARGBRow = ARGB1555ToARGBRow_NEON;
}
}
#endif
#if defined(HAS_ARGB1555TOARGBROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
ARGB1555ToARGBRow = ARGB1555ToARGBRow_Any_MSA;
if (IS_ALIGNED(width, 16)) {
ARGB1555ToARGBRow = ARGB1555ToARGBRow_MSA;
}
}
#endif
for (y = 0; y < height; ++y) {
ARGB1555ToARGBRow(src_argb1555, dst_argb, width);
src_argb1555 += src_stride_argb1555;
dst_argb += dst_stride_argb;
}
return 0;
}
// Convert ARGB4444 to ARGB.
LIBYUV_API
int ARGB4444ToARGB(const uint8_t* src_argb4444,
int src_stride_argb4444,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
int y;
void (*ARGB4444ToARGBRow)(const uint8_t* src_argb4444, uint8_t* dst_argb,
int width) = ARGB4444ToARGBRow_C;
if (!src_argb4444 || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
src_argb4444 = src_argb4444 + (height - 1) * src_stride_argb4444;
src_stride_argb4444 = -src_stride_argb4444;
}
// Coalesce rows.
if (src_stride_argb4444 == width * 2 && dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_argb4444 = dst_stride_argb = 0;
}
#if defined(HAS_ARGB4444TOARGBROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
ARGB4444ToARGBRow = ARGB4444ToARGBRow_Any_SSE2;
if (IS_ALIGNED(width, 8)) {
ARGB4444ToARGBRow = ARGB4444ToARGBRow_SSE2;
}
}
#endif
#if defined(HAS_ARGB4444TOARGBROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGB4444ToARGBRow = ARGB4444ToARGBRow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
ARGB4444ToARGBRow = ARGB4444ToARGBRow_AVX2;
}
}
#endif
#if defined(HAS_ARGB4444TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGB4444ToARGBRow = ARGB4444ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGB4444ToARGBRow = ARGB4444ToARGBRow_NEON;
}
}
#endif
#if defined(HAS_ARGB4444TOARGBROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
ARGB4444ToARGBRow = ARGB4444ToARGBRow_Any_MSA;
if (IS_ALIGNED(width, 16)) {
ARGB4444ToARGBRow = ARGB4444ToARGBRow_MSA;
}
}
#endif
for (y = 0; y < height; ++y) {
ARGB4444ToARGBRow(src_argb4444, dst_argb, width);
src_argb4444 += src_stride_argb4444;
dst_argb += dst_stride_argb;
}
return 0;
}
// Convert AR30 to ARGB.
LIBYUV_API
int AR30ToARGB(const uint8_t* src_ar30,
int src_stride_ar30,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
int y;
if (!src_ar30 || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
src_ar30 = src_ar30 + (height - 1) * src_stride_ar30;
src_stride_ar30 = -src_stride_ar30;
}
// Coalesce rows.
if (src_stride_ar30 == width * 4 && dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_ar30 = dst_stride_argb = 0;
}
for (y = 0; y < height; ++y) {
AR30ToARGBRow_C(src_ar30, dst_argb, width);
src_ar30 += src_stride_ar30;
dst_argb += dst_stride_argb;
}
return 0;
}
// Convert AR30 to ABGR.
LIBYUV_API
int AR30ToABGR(const uint8_t* src_ar30,
int src_stride_ar30,
uint8_t* dst_abgr,
int dst_stride_abgr,
int width,
int height) {
int y;
if (!src_ar30 || !dst_abgr || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
src_ar30 = src_ar30 + (height - 1) * src_stride_ar30;
src_stride_ar30 = -src_stride_ar30;
}
// Coalesce rows.
if (src_stride_ar30 == width * 4 && dst_stride_abgr == width * 4) {
width *= height;
height = 1;
src_stride_ar30 = dst_stride_abgr = 0;
}
for (y = 0; y < height; ++y) {
AR30ToABGRRow_C(src_ar30, dst_abgr, width);
src_ar30 += src_stride_ar30;
dst_abgr += dst_stride_abgr;
}
return 0;
}
// Convert AR30 to AB30.
LIBYUV_API
int AR30ToAB30(const uint8_t* src_ar30,
int src_stride_ar30,
uint8_t* dst_ab30,
int dst_stride_ab30,
int width,
int height) {
int y;
if (!src_ar30 || !dst_ab30 || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
src_ar30 = src_ar30 + (height - 1) * src_stride_ar30;
src_stride_ar30 = -src_stride_ar30;
}
// Coalesce rows.
if (src_stride_ar30 == width * 4 && dst_stride_ab30 == width * 4) {
width *= height;
height = 1;
src_stride_ar30 = dst_stride_ab30 = 0;
}
for (y = 0; y < height; ++y) {
AR30ToAB30Row_C(src_ar30, dst_ab30, width);
src_ar30 += src_stride_ar30;
dst_ab30 += dst_stride_ab30;
}
return 0;
}
// Convert NV12 to ARGB with matrix
static int NV12ToARGBMatrix(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_uv,
int src_stride_uv,
uint8_t* dst_argb,
int dst_stride_argb,
const struct YuvConstants* yuvconstants,
int width,
int height) {
int y;
void (*NV12ToARGBRow)(
const uint8_t* y_buf, const uint8_t* uv_buf, uint8_t* rgb_buf,
const struct YuvConstants* yuvconstants, int width) = NV12ToARGBRow_C;
if (!src_y || !src_uv || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_argb = dst_argb + (height - 1) * dst_stride_argb;
dst_stride_argb = -dst_stride_argb;
}
#if defined(HAS_NV12TOARGBROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
NV12ToARGBRow = NV12ToARGBRow_Any_SSSE3;
if (IS_ALIGNED(width, 8)) {
NV12ToARGBRow = NV12ToARGBRow_SSSE3;
}
}
#endif
#if defined(HAS_NV12TOARGBROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
NV12ToARGBRow = NV12ToARGBRow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
NV12ToARGBRow = NV12ToARGBRow_AVX2;
}
}
#endif
#if defined(HAS_NV12TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
NV12ToARGBRow = NV12ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
NV12ToARGBRow = NV12ToARGBRow_NEON;
}
}
#endif
#if defined(HAS_NV12TOARGBROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
NV12ToARGBRow = NV12ToARGBRow_Any_MSA;
if (IS_ALIGNED(width, 8)) {
NV12ToARGBRow = NV12ToARGBRow_MSA;
}
}
#endif
for (y = 0; y < height; ++y) {
NV12ToARGBRow(src_y, src_uv, dst_argb, yuvconstants, width);
dst_argb += dst_stride_argb;
src_y += src_stride_y;
if (y & 1) {
src_uv += src_stride_uv;
}
}
return 0;
}
// Convert NV21 to ARGB with matrix
static int NV21ToARGBMatrix(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_vu,
int src_stride_vu,
uint8_t* dst_argb,
int dst_stride_argb,
const struct YuvConstants* yuvconstants,
int width,
int height) {
int y;
void (*NV21ToARGBRow)(
const uint8_t* y_buf, const uint8_t* uv_buf, uint8_t* rgb_buf,
const struct YuvConstants* yuvconstants, int width) = NV21ToARGBRow_C;
if (!src_y || !src_vu || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_argb = dst_argb + (height - 1) * dst_stride_argb;
dst_stride_argb = -dst_stride_argb;
}
#if defined(HAS_NV21TOARGBROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
NV21ToARGBRow = NV21ToARGBRow_Any_SSSE3;
if (IS_ALIGNED(width, 8)) {
NV21ToARGBRow = NV21ToARGBRow_SSSE3;
}
}
#endif
#if defined(HAS_NV21TOARGBROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
NV21ToARGBRow = NV21ToARGBRow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
NV21ToARGBRow = NV21ToARGBRow_AVX2;
}
}
#endif
#if defined(HAS_NV21TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
NV21ToARGBRow = NV21ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
NV21ToARGBRow = NV21ToARGBRow_NEON;
}
}
#endif
#if defined(HAS_NV21TOARGBROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
NV21ToARGBRow = NV21ToARGBRow_Any_MSA;
if (IS_ALIGNED(width, 8)) {
NV21ToARGBRow = NV21ToARGBRow_MSA;
}
}
#endif
for (y = 0; y < height; ++y) {
NV21ToARGBRow(src_y, src_vu, dst_argb, yuvconstants, width);
dst_argb += dst_stride_argb;
src_y += src_stride_y;
if (y & 1) {
src_vu += src_stride_vu;
}
}
return 0;
}
// Convert NV12 to ARGB.
LIBYUV_API
int NV12ToARGB(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_uv,
int src_stride_uv,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return NV12ToARGBMatrix(src_y, src_stride_y, src_uv, src_stride_uv, dst_argb,
dst_stride_argb, &kYuvI601Constants, width, height);
}
// Convert NV21 to ARGB.
LIBYUV_API
int NV21ToARGB(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_vu,
int src_stride_vu,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return NV21ToARGBMatrix(src_y, src_stride_y, src_vu, src_stride_vu, dst_argb,
dst_stride_argb, &kYuvI601Constants, width, height);
}
// Convert NV12 to ABGR.
// To output ABGR instead of ARGB swap the UV and use a mirrrored yuc matrix.
// To swap the UV use NV12 instead of NV21.LIBYUV_API
int NV12ToABGR(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_uv,
int src_stride_uv,
uint8_t* dst_abgr,
int dst_stride_abgr,
int width,
int height) {
return NV21ToARGBMatrix(src_y, src_stride_y, src_uv, src_stride_uv, dst_abgr,
dst_stride_abgr, &kYvuI601Constants, width, height);
}
// Convert NV21 to ABGR.
LIBYUV_API
int NV21ToABGR(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_vu,
int src_stride_vu,
uint8_t* dst_abgr,
int dst_stride_abgr,
int width,
int height) {
return NV12ToARGBMatrix(src_y, src_stride_y, src_vu, src_stride_vu, dst_abgr,
dst_stride_abgr, &kYvuI601Constants, width, height);
}
// TODO(fbarchard): Consider SSSE3 2 step conversion.
// Convert NV12 to RGB24 with matrix
static int NV12ToRGB24Matrix(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_uv,
int src_stride_uv,
uint8_t* dst_rgb24,
int dst_stride_rgb24,
const struct YuvConstants* yuvconstants,
int width,
int height) {
int y;
void (*NV12ToRGB24Row)(
const uint8_t* y_buf, const uint8_t* uv_buf, uint8_t* rgb_buf,
const struct YuvConstants* yuvconstants, int width) = NV12ToRGB24Row_C;
if (!src_y || !src_uv || !dst_rgb24 || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_rgb24 = dst_rgb24 + (height - 1) * dst_stride_rgb24;
dst_stride_rgb24 = -dst_stride_rgb24;
}
#if defined(HAS_NV12TORGB24ROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
NV12ToRGB24Row = NV12ToRGB24Row_Any_NEON;
if (IS_ALIGNED(width, 8)) {
NV12ToRGB24Row = NV12ToRGB24Row_NEON;
}
}
#endif
#if defined(HAS_NV12TORGB24ROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
NV12ToRGB24Row = NV12ToRGB24Row_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
NV12ToRGB24Row = NV12ToRGB24Row_SSSE3;
}
}
#endif
#if defined(HAS_NV12TORGB24ROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
NV12ToRGB24Row = NV12ToRGB24Row_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
NV12ToRGB24Row = NV12ToRGB24Row_AVX2;
}
}
#endif
for (y = 0; y < height; ++y) {
NV12ToRGB24Row(src_y, src_uv, dst_rgb24, yuvconstants, width);
dst_rgb24 += dst_stride_rgb24;
src_y += src_stride_y;
if (y & 1) {
src_uv += src_stride_uv;
}
}
return 0;
}
// Convert NV21 to RGB24 with matrix
static int NV21ToRGB24Matrix(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_vu,
int src_stride_vu,
uint8_t* dst_rgb24,
int dst_stride_rgb24,
const struct YuvConstants* yuvconstants,
int width,
int height) {
int y;
void (*NV21ToRGB24Row)(
const uint8_t* y_buf, const uint8_t* uv_buf, uint8_t* rgb_buf,
const struct YuvConstants* yuvconstants, int width) = NV21ToRGB24Row_C;
if (!src_y || !src_vu || !dst_rgb24 || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_rgb24 = dst_rgb24 + (height - 1) * dst_stride_rgb24;
dst_stride_rgb24 = -dst_stride_rgb24;
}
#if defined(HAS_NV21TORGB24ROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
NV21ToRGB24Row = NV21ToRGB24Row_Any_NEON;
if (IS_ALIGNED(width, 8)) {
NV21ToRGB24Row = NV21ToRGB24Row_NEON;
}
}
#endif
#if defined(HAS_NV21TORGB24ROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
NV21ToRGB24Row = NV21ToRGB24Row_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
NV21ToRGB24Row = NV21ToRGB24Row_SSSE3;
}
}
#endif
#if defined(HAS_NV21TORGB24ROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
NV21ToRGB24Row = NV21ToRGB24Row_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
NV21ToRGB24Row = NV21ToRGB24Row_AVX2;
}
}
#endif
for (y = 0; y < height; ++y) {
NV21ToRGB24Row(src_y, src_vu, dst_rgb24, yuvconstants, width);
dst_rgb24 += dst_stride_rgb24;
src_y += src_stride_y;
if (y & 1) {
src_vu += src_stride_vu;
}
}
return 0;
}
// TODO(fbarchard): NV12ToRAW can be implemented by mirrored matrix.
// Convert NV12 to RGB24.
LIBYUV_API
int NV12ToRGB24(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_uv,
int src_stride_uv,
uint8_t* dst_rgb24,
int dst_stride_rgb24,
int width,
int height) {
return NV12ToRGB24Matrix(src_y, src_stride_y, src_uv, src_stride_uv,
dst_rgb24, dst_stride_rgb24, &kYuvI601Constants,
width, height);
}
// Convert NV21 to RGB24.
LIBYUV_API
int NV21ToRGB24(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_vu,
int src_stride_vu,
uint8_t* dst_rgb24,
int dst_stride_rgb24,
int width,
int height) {
return NV21ToRGB24Matrix(src_y, src_stride_y, src_vu, src_stride_vu,
dst_rgb24, dst_stride_rgb24, &kYuvI601Constants,
width, height);
}
// Convert M420 to ARGB.
LIBYUV_API
int M420ToARGB(const uint8_t* src_m420,
int src_stride_m420,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
int y;
void (*NV12ToARGBRow)(
const uint8_t* y_buf, const uint8_t* uv_buf, uint8_t* rgb_buf,
const struct YuvConstants* yuvconstants, int width) = NV12ToARGBRow_C;
if (!src_m420 || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_argb = dst_argb + (height - 1) * dst_stride_argb;
dst_stride_argb = -dst_stride_argb;
}
#if defined(HAS_NV12TOARGBROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
NV12ToARGBRow = NV12ToARGBRow_Any_SSSE3;
if (IS_ALIGNED(width, 8)) {
NV12ToARGBRow = NV12ToARGBRow_SSSE3;
}
}
#endif
#if defined(HAS_NV12TOARGBROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
NV12ToARGBRow = NV12ToARGBRow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
NV12ToARGBRow = NV12ToARGBRow_AVX2;
}
}
#endif
#if defined(HAS_NV12TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
NV12ToARGBRow = NV12ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
NV12ToARGBRow = NV12ToARGBRow_NEON;
}
}
#endif
#if defined(HAS_NV12TOARGBROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
NV12ToARGBRow = NV12ToARGBRow_Any_MSA;
if (IS_ALIGNED(width, 8)) {
NV12ToARGBRow = NV12ToARGBRow_MSA;
}
}
#endif
for (y = 0; y < height - 1; y += 2) {
NV12ToARGBRow(src_m420, src_m420 + src_stride_m420 * 2, dst_argb,
&kYuvI601Constants, width);
NV12ToARGBRow(src_m420 + src_stride_m420, src_m420 + src_stride_m420 * 2,
dst_argb + dst_stride_argb, &kYuvI601Constants, width);
dst_argb += dst_stride_argb * 2;
src_m420 += src_stride_m420 * 3;
}
if (height & 1) {
NV12ToARGBRow(src_m420, src_m420 + src_stride_m420 * 2, dst_argb,
&kYuvI601Constants, width);
}
return 0;
}
// Convert YUY2 to ARGB.
LIBYUV_API
int YUY2ToARGB(const uint8_t* src_yuy2,
int src_stride_yuy2,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
int y;
void (*YUY2ToARGBRow)(const uint8_t* src_yuy2, uint8_t* dst_argb,
const struct YuvConstants* yuvconstants, int width) =
YUY2ToARGBRow_C;
if (!src_yuy2 || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
src_yuy2 = src_yuy2 + (height - 1) * src_stride_yuy2;
src_stride_yuy2 = -src_stride_yuy2;
}
// Coalesce rows.
if (src_stride_yuy2 == width * 2 && dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_yuy2 = dst_stride_argb = 0;
}
#if defined(HAS_YUY2TOARGBROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
YUY2ToARGBRow = YUY2ToARGBRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
YUY2ToARGBRow = YUY2ToARGBRow_SSSE3;
}
}
#endif
#if defined(HAS_YUY2TOARGBROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
YUY2ToARGBRow = YUY2ToARGBRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
YUY2ToARGBRow = YUY2ToARGBRow_AVX2;
}
}
#endif
#if defined(HAS_YUY2TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
YUY2ToARGBRow = YUY2ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
YUY2ToARGBRow = YUY2ToARGBRow_NEON;
}
}
#endif
#if defined(HAS_YUY2TOARGBROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
YUY2ToARGBRow = YUY2ToARGBRow_Any_MSA;
if (IS_ALIGNED(width, 8)) {
YUY2ToARGBRow = YUY2ToARGBRow_MSA;
}
}
#endif
for (y = 0; y < height; ++y) {
YUY2ToARGBRow(src_yuy2, dst_argb, &kYuvI601Constants, width);
src_yuy2 += src_stride_yuy2;
dst_argb += dst_stride_argb;
}
return 0;
}
// Convert UYVY to ARGB.
LIBYUV_API
int UYVYToARGB(const uint8_t* src_uyvy,
int src_stride_uyvy,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
int y;
void (*UYVYToARGBRow)(const uint8_t* src_uyvy, uint8_t* dst_argb,
const struct YuvConstants* yuvconstants, int width) =
UYVYToARGBRow_C;
if (!src_uyvy || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
src_uyvy = src_uyvy + (height - 1) * src_stride_uyvy;
src_stride_uyvy = -src_stride_uyvy;
}
// Coalesce rows.
if (src_stride_uyvy == width * 2 && dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_uyvy = dst_stride_argb = 0;
}
#if defined(HAS_UYVYTOARGBROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
UYVYToARGBRow = UYVYToARGBRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
UYVYToARGBRow = UYVYToARGBRow_SSSE3;
}
}
#endif
#if defined(HAS_UYVYTOARGBROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
UYVYToARGBRow = UYVYToARGBRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
UYVYToARGBRow = UYVYToARGBRow_AVX2;
}
}
#endif
#if defined(HAS_UYVYTOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
UYVYToARGBRow = UYVYToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
UYVYToARGBRow = UYVYToARGBRow_NEON;
}
}
#endif
#if defined(HAS_UYVYTOARGBROW_MSA)
if (TestCpuFlag(kCpuHasMSA)) {
UYVYToARGBRow = UYVYToARGBRow_Any_MSA;
if (IS_ALIGNED(width, 8)) {
UYVYToARGBRow = UYVYToARGBRow_MSA;
}
}
#endif
for (y = 0; y < height; ++y) {
UYVYToARGBRow(src_uyvy, dst_argb, &kYuvI601Constants, width);
src_uyvy += src_stride_uyvy;
dst_argb += dst_stride_argb;
}
return 0;
}
static void WeavePixels(const uint8_t* src_u,
const uint8_t* src_v,
int src_pixel_stride_uv,
uint8_t* dst_uv,
int width) {
int i;
for (i = 0; i < width; ++i) {
dst_uv[0] = *src_u;
dst_uv[1] = *src_v;
dst_uv += 2;
src_u += src_pixel_stride_uv;
src_v += src_pixel_stride_uv;
}
}
// Convert Android420 to ARGB.
LIBYUV_API
int Android420ToARGBMatrix(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
int src_pixel_stride_uv,
uint8_t* dst_argb,
int dst_stride_argb,
const struct YuvConstants* yuvconstants,
int width,
int height) {
int y;
uint8_t* dst_uv;
const ptrdiff_t vu_off = src_v - src_u;
int halfwidth = (width + 1) >> 1;
int halfheight = (height + 1) >> 1;
if (!src_y || !src_u || !src_v || !dst_argb || width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
halfheight = (height + 1) >> 1;
dst_argb = dst_argb + (height - 1) * dst_stride_argb;
dst_stride_argb = -dst_stride_argb;
}
// I420
if (src_pixel_stride_uv == 1) {
return I420ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, dst_argb, dst_stride_argb,
yuvconstants, width, height);
// NV21
}
if (src_pixel_stride_uv == 2 && vu_off == -1 &&
src_stride_u == src_stride_v) {
return NV21ToARGBMatrix(src_y, src_stride_y, src_v, src_stride_v, dst_argb,
dst_stride_argb, yuvconstants, width, height);
// NV12
}
if (src_pixel_stride_uv == 2 && vu_off == 1 && src_stride_u == src_stride_v) {
return NV12ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, dst_argb,
dst_stride_argb, yuvconstants, width, height);
}
// General case fallback creates NV12
align_buffer_64(plane_uv, halfwidth * 2 * halfheight);
dst_uv = plane_uv;
for (y = 0; y < halfheight; ++y) {
WeavePixels(src_u, src_v, src_pixel_stride_uv, dst_uv, halfwidth);
src_u += src_stride_u;
src_v += src_stride_v;
dst_uv += halfwidth * 2;
}
NV12ToARGBMatrix(src_y, src_stride_y, plane_uv, halfwidth * 2, dst_argb,
dst_stride_argb, yuvconstants, width, height);
free_aligned_buffer_64(plane_uv);
return 0;
}
// Convert Android420 to ARGB.
LIBYUV_API
int Android420ToARGB(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
int src_pixel_stride_uv,
uint8_t* dst_argb,
int dst_stride_argb,
int width,
int height) {
return Android420ToARGBMatrix(src_y, src_stride_y, src_u, src_stride_u, src_v,
src_stride_v, src_pixel_stride_uv, dst_argb,
dst_stride_argb, &kYuvI601Constants, width,
height);
}
// Convert Android420 to ABGR.
LIBYUV_API
int Android420ToABGR(const uint8_t* src_y,
int src_stride_y,
const uint8_t* src_u,
int src_stride_u,
const uint8_t* src_v,
int src_stride_v,
int src_pixel_stride_uv,
uint8_t* dst_abgr,
int dst_stride_abgr,
int width,
int height) {
return Android420ToARGBMatrix(src_y, src_stride_y, src_v, src_stride_v, src_u,
src_stride_u, src_pixel_stride_uv, dst_abgr,
dst_stride_abgr, &kYvuI601Constants, width,
height);
}
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
#endif