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libyuv/source/planar_functions.cc
Frank Barchard 914a9856c7 Reimplement NV21ToARGB to allow different color matrix. 
Low level for NV21ToARGB written to accept yuv matrix used by
other YUV to ARGB functions.
Previously NV21 was implemented for Windows using NV12 with a different
matrix that swapped U and V.  But the Arm version of the low level does
not allow the matrix U and V contributions to be swapped.
Using a new low level function that reads NV21 and uses the same
yuvconstants as other YUV conversion functions allows an Arm port of
this function.

TBR=harryjin@google.com
BUG=libyuv:500

Review URL: https://codereview.chromium.org/1388273002 .
2015-10-06 20:34:44 -07:00

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/*
* 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/planar_functions.h"
#include <string.h> // for memset()
#include "libyuv/cpu_id.h"
#ifdef HAVE_JPEG
#include "libyuv/mjpeg_decoder.h"
#endif
#include "libyuv/row.h"
#ifdef __cplusplus
namespace libyuv {
extern "C" {
#endif
// Copy a plane of data
LIBYUV_API
void CopyPlane(const uint8* src_y, int src_stride_y,
uint8* dst_y, int dst_stride_y,
int width, int height) {
int y;
void (*CopyRow)(const uint8* src, uint8* dst, int width) = CopyRow_C;
// Coalesce rows.
if (src_stride_y == width &&
dst_stride_y == width) {
width *= height;
height = 1;
src_stride_y = dst_stride_y = 0;
}
// Nothing to do.
if (src_y == dst_y && src_stride_y == dst_stride_y) {
return;
}
#if defined(HAS_COPYROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
CopyRow = IS_ALIGNED(width, 32) ? CopyRow_SSE2 : CopyRow_Any_SSE2;
}
#endif
#if defined(HAS_COPYROW_AVX)
if (TestCpuFlag(kCpuHasAVX)) {
CopyRow = IS_ALIGNED(width, 64) ? CopyRow_AVX : CopyRow_Any_AVX;
}
#endif
#if defined(HAS_COPYROW_ERMS)
if (TestCpuFlag(kCpuHasERMS)) {
CopyRow = CopyRow_ERMS;
}
#endif
#if defined(HAS_COPYROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
CopyRow = IS_ALIGNED(width, 32) ? CopyRow_NEON : CopyRow_Any_NEON;
}
#endif
#if defined(HAS_COPYROW_MIPS)
if (TestCpuFlag(kCpuHasMIPS)) {
CopyRow = CopyRow_MIPS;
}
#endif
// Copy plane
for (y = 0; y < height; ++y) {
CopyRow(src_y, dst_y, width);
src_y += src_stride_y;
dst_y += dst_stride_y;
}
}
LIBYUV_API
void CopyPlane_16(const uint16* src_y, int src_stride_y,
uint16* dst_y, int dst_stride_y,
int width, int height) {
int y;
void (*CopyRow)(const uint16* src, uint16* dst, int width) = CopyRow_16_C;
// Coalesce rows.
if (src_stride_y == width &&
dst_stride_y == width) {
width *= height;
height = 1;
src_stride_y = dst_stride_y = 0;
}
#if defined(HAS_COPYROW_16_SSE2)
if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 32)) {
CopyRow = CopyRow_16_SSE2;
}
#endif
#if defined(HAS_COPYROW_16_ERMS)
if (TestCpuFlag(kCpuHasERMS)) {
CopyRow = CopyRow_16_ERMS;
}
#endif
#if defined(HAS_COPYROW_16_NEON)
if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 32)) {
CopyRow = CopyRow_16_NEON;
}
#endif
#if defined(HAS_COPYROW_16_MIPS)
if (TestCpuFlag(kCpuHasMIPS)) {
CopyRow = CopyRow_16_MIPS;
}
#endif
// Copy plane
for (y = 0; y < height; ++y) {
CopyRow(src_y, dst_y, width);
src_y += src_stride_y;
dst_y += dst_stride_y;
}
}
// Copy I422.
LIBYUV_API
int I422Copy(const uint8* src_y, int src_stride_y,
const uint8* src_u, int src_stride_u,
const uint8* src_v, int src_stride_v,
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 halfwidth = (width + 1) >> 1;
if (!src_y || !src_u || !src_v ||
!dst_y || !dst_u || !dst_v ||
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_u = src_u + (height - 1) * src_stride_u;
src_v = src_v + (height - 1) * src_stride_v;
src_stride_y = -src_stride_y;
src_stride_u = -src_stride_u;
src_stride_v = -src_stride_v;
}
CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
CopyPlane(src_u, src_stride_u, dst_u, dst_stride_u, halfwidth, height);
CopyPlane(src_v, src_stride_v, dst_v, dst_stride_v, halfwidth, height);
return 0;
}
// Copy I444.
LIBYUV_API
int I444Copy(const uint8* src_y, int src_stride_y,
const uint8* src_u, int src_stride_u,
const uint8* src_v, int src_stride_v,
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) {
if (!src_y || !src_u || !src_v ||
!dst_y || !dst_u || !dst_v ||
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_u = src_u + (height - 1) * src_stride_u;
src_v = src_v + (height - 1) * src_stride_v;
src_stride_y = -src_stride_y;
src_stride_u = -src_stride_u;
src_stride_v = -src_stride_v;
}
CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
CopyPlane(src_u, src_stride_u, dst_u, dst_stride_u, width, height);
CopyPlane(src_v, src_stride_v, dst_v, dst_stride_v, width, height);
return 0;
}
// Copy I400.
LIBYUV_API
int I400ToI400(const uint8* src_y, int src_stride_y,
uint8* dst_y, int dst_stride_y,
int width, int height) {
if (!src_y || !dst_y || 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;
}
CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
return 0;
}
// Convert I420 to I400.
LIBYUV_API
int I420ToI400(const uint8* src_y, int src_stride_y,
const uint8* src_u, int src_stride_u,
const uint8* src_v, int src_stride_v,
uint8* dst_y, int dst_stride_y,
int width, int height) {
if (!src_y || !dst_y || 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;
}
CopyPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
return 0;
}
// Mirror a plane of data.
void MirrorPlane(const uint8* src_y, int src_stride_y,
uint8* dst_y, int dst_stride_y,
int width, int height) {
int y;
void (*MirrorRow)(const uint8* src, uint8* dst, int width) = MirrorRow_C;
// 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;
}
#if defined(HAS_MIRRORROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
MirrorRow = MirrorRow_Any_NEON;
if (IS_ALIGNED(width, 16)) {
MirrorRow = MirrorRow_NEON;
}
}
#endif
#if defined(HAS_MIRRORROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
MirrorRow = MirrorRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
MirrorRow = MirrorRow_SSSE3;
}
}
#endif
#if defined(HAS_MIRRORROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
MirrorRow = MirrorRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
MirrorRow = MirrorRow_AVX2;
}
}
#endif
// TODO(fbarchard): Mirror on mips handle unaligned memory.
#if defined(HAS_MIRRORROW_MIPS_DSPR2)
if (TestCpuFlag(kCpuHasMIPS_DSPR2) &&
IS_ALIGNED(src_y, 4) && IS_ALIGNED(src_stride_y, 4) &&
IS_ALIGNED(dst_y, 4) && IS_ALIGNED(dst_stride_y, 4)) {
MirrorRow = MirrorRow_MIPS_DSPR2;
}
#endif
// Mirror plane
for (y = 0; y < height; ++y) {
MirrorRow(src_y, dst_y, width);
src_y += src_stride_y;
dst_y += dst_stride_y;
}
}
// Convert YUY2 to I422.
LIBYUV_API
int YUY2ToI422(const uint8* src_yuy2, int src_stride_yuy2,
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 (*YUY2ToUV422Row)(const uint8* src_yuy2,
uint8* dst_u, uint8* dst_v, int width) =
YUY2ToUV422Row_C;
void (*YUY2ToYRow)(const uint8* src_yuy2, uint8* dst_y, int width) =
YUY2ToYRow_C;
// 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_y == width &&
dst_stride_u * 2 == width &&
dst_stride_v * 2 == width) {
width *= height;
height = 1;
src_stride_yuy2 = dst_stride_y = dst_stride_u = dst_stride_v = 0;
}
#if defined(HAS_YUY2TOYROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
YUY2ToUV422Row = YUY2ToUV422Row_Any_SSE2;
YUY2ToYRow = YUY2ToYRow_Any_SSE2;
if (IS_ALIGNED(width, 16)) {
YUY2ToUV422Row = YUY2ToUV422Row_SSE2;
YUY2ToYRow = YUY2ToYRow_SSE2;
}
}
#endif
#if defined(HAS_YUY2TOYROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
YUY2ToUV422Row = YUY2ToUV422Row_Any_AVX2;
YUY2ToYRow = YUY2ToYRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
YUY2ToUV422Row = YUY2ToUV422Row_AVX2;
YUY2ToYRow = YUY2ToYRow_AVX2;
}
}
#endif
#if defined(HAS_YUY2TOYROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
YUY2ToYRow = YUY2ToYRow_Any_NEON;
if (width >= 16) {
YUY2ToUV422Row = YUY2ToUV422Row_Any_NEON;
}
if (IS_ALIGNED(width, 16)) {
YUY2ToYRow = YUY2ToYRow_NEON;
YUY2ToUV422Row = YUY2ToUV422Row_NEON;
}
}
#endif
for (y = 0; y < height; ++y) {
YUY2ToUV422Row(src_yuy2, dst_u, dst_v, width);
YUY2ToYRow(src_yuy2, dst_y, width);
src_yuy2 += src_stride_yuy2;
dst_y += dst_stride_y;
dst_u += dst_stride_u;
dst_v += dst_stride_v;
}
return 0;
}
// Convert UYVY to I422.
LIBYUV_API
int UYVYToI422(const uint8* src_uyvy, int src_stride_uyvy,
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 (*UYVYToUV422Row)(const uint8* src_uyvy,
uint8* dst_u, uint8* dst_v, int width) =
UYVYToUV422Row_C;
void (*UYVYToYRow)(const uint8* src_uyvy,
uint8* dst_y, int width) = UYVYToYRow_C;
// 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_y == width &&
dst_stride_u * 2 == width &&
dst_stride_v * 2 == width) {
width *= height;
height = 1;
src_stride_uyvy = dst_stride_y = dst_stride_u = dst_stride_v = 0;
}
#if defined(HAS_UYVYTOYROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
UYVYToUV422Row = UYVYToUV422Row_Any_SSE2;
UYVYToYRow = UYVYToYRow_Any_SSE2;
if (IS_ALIGNED(width, 16)) {
UYVYToUV422Row = UYVYToUV422Row_SSE2;
UYVYToYRow = UYVYToYRow_SSE2;
}
}
#endif
#if defined(HAS_UYVYTOYROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
UYVYToUV422Row = UYVYToUV422Row_Any_AVX2;
UYVYToYRow = UYVYToYRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
UYVYToUV422Row = UYVYToUV422Row_AVX2;
UYVYToYRow = UYVYToYRow_AVX2;
}
}
#endif
#if defined(HAS_UYVYTOYROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
UYVYToYRow = UYVYToYRow_Any_NEON;
if (width >= 16) {
UYVYToUV422Row = UYVYToUV422Row_Any_NEON;
}
if (IS_ALIGNED(width, 16)) {
UYVYToYRow = UYVYToYRow_NEON;
UYVYToUV422Row = UYVYToUV422Row_NEON;
}
}
#endif
for (y = 0; y < height; ++y) {
UYVYToUV422Row(src_uyvy, dst_u, dst_v, width);
UYVYToYRow(src_uyvy, dst_y, width);
src_uyvy += src_stride_uyvy;
dst_y += dst_stride_y;
dst_u += dst_stride_u;
dst_v += dst_stride_v;
}
return 0;
}
// Mirror I400 with optional flipping
LIBYUV_API
int I400Mirror(const uint8* src_y, int src_stride_y,
uint8* dst_y, int dst_stride_y,
int width, int height) {
if (!src_y || !dst_y ||
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;
}
MirrorPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
return 0;
}
// Mirror I420 with optional flipping
LIBYUV_API
int I420Mirror(const uint8* src_y, int src_stride_y,
const uint8* src_u, int src_stride_u,
const uint8* src_v, int src_stride_v,
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 halfwidth = (width + 1) >> 1;
int halfheight = (height + 1) >> 1;
if (!src_y || !src_u || !src_v || !dst_y || !dst_u || !dst_v ||
width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
halfheight = (height + 1) >> 1;
src_y = src_y + (height - 1) * src_stride_y;
src_u = src_u + (halfheight - 1) * src_stride_u;
src_v = src_v + (halfheight - 1) * src_stride_v;
src_stride_y = -src_stride_y;
src_stride_u = -src_stride_u;
src_stride_v = -src_stride_v;
}
if (dst_y) {
MirrorPlane(src_y, src_stride_y, dst_y, dst_stride_y, width, height);
}
MirrorPlane(src_u, src_stride_u, dst_u, dst_stride_u, halfwidth, halfheight);
MirrorPlane(src_v, src_stride_v, dst_v, dst_stride_v, halfwidth, halfheight);
return 0;
}
// ARGB mirror.
LIBYUV_API
int ARGBMirror(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb, int dst_stride_argb,
int width, int height) {
int y;
void (*ARGBMirrorRow)(const uint8* src, uint8* dst, int width) =
ARGBMirrorRow_C;
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;
}
#if defined(HAS_ARGBMIRRORROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBMirrorRow = ARGBMirrorRow_Any_NEON;
if (IS_ALIGNED(width, 4)) {
ARGBMirrorRow = ARGBMirrorRow_NEON;
}
}
#endif
#if defined(HAS_ARGBMIRRORROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
ARGBMirrorRow = ARGBMirrorRow_Any_SSE2;
if (IS_ALIGNED(width, 4)) {
ARGBMirrorRow = ARGBMirrorRow_SSE2;
}
}
#endif
#if defined(HAS_ARGBMIRRORROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBMirrorRow = ARGBMirrorRow_Any_AVX2;
if (IS_ALIGNED(width, 8)) {
ARGBMirrorRow = ARGBMirrorRow_AVX2;
}
}
#endif
// Mirror plane
for (y = 0; y < height; ++y) {
ARGBMirrorRow(src_argb, dst_argb, width);
src_argb += src_stride_argb;
dst_argb += dst_stride_argb;
}
return 0;
}
// Get a blender that optimized for the CPU and pixel count.
// As there are 6 blenders to choose from, the caller should try to use
// the same blend function for all pixels if possible.
LIBYUV_API
ARGBBlendRow GetARGBBlend() {
void (*ARGBBlendRow)(const uint8* src_argb, const uint8* src_argb1,
uint8* dst_argb, int width) = ARGBBlendRow_C;
#if defined(HAS_ARGBBLENDROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBBlendRow = ARGBBlendRow_SSSE3;
return ARGBBlendRow;
}
#endif
#if defined(HAS_ARGBBLENDROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBBlendRow = ARGBBlendRow_NEON;
}
#endif
return ARGBBlendRow;
}
// Alpha Blend 2 ARGB images and store to destination.
LIBYUV_API
int ARGBBlend(const uint8* src_argb0, int src_stride_argb0,
const uint8* src_argb1, int src_stride_argb1,
uint8* dst_argb, int dst_stride_argb,
int width, int height) {
int y;
void (*ARGBBlendRow)(const uint8* src_argb, const uint8* src_argb1,
uint8* dst_argb, int width) = GetARGBBlend();
if (!src_argb0 || !src_argb1 || !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_argb0 == width * 4 &&
src_stride_argb1 == width * 4 &&
dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_argb0 = src_stride_argb1 = dst_stride_argb = 0;
}
for (y = 0; y < height; ++y) {
ARGBBlendRow(src_argb0, src_argb1, dst_argb, width);
src_argb0 += src_stride_argb0;
src_argb1 += src_stride_argb1;
dst_argb += dst_stride_argb;
}
return 0;
}
// Multiply 2 ARGB images and store to destination.
LIBYUV_API
int ARGBMultiply(const uint8* src_argb0, int src_stride_argb0,
const uint8* src_argb1, int src_stride_argb1,
uint8* dst_argb, int dst_stride_argb,
int width, int height) {
int y;
void (*ARGBMultiplyRow)(const uint8* src0, const uint8* src1, uint8* dst,
int width) = ARGBMultiplyRow_C;
if (!src_argb0 || !src_argb1 || !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_argb0 == width * 4 &&
src_stride_argb1 == width * 4 &&
dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_argb0 = src_stride_argb1 = dst_stride_argb = 0;
}
#if defined(HAS_ARGBMULTIPLYROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
ARGBMultiplyRow = ARGBMultiplyRow_Any_SSE2;
if (IS_ALIGNED(width, 4)) {
ARGBMultiplyRow = ARGBMultiplyRow_SSE2;
}
}
#endif
#if defined(HAS_ARGBMULTIPLYROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBMultiplyRow = ARGBMultiplyRow_Any_AVX2;
if (IS_ALIGNED(width, 8)) {
ARGBMultiplyRow = ARGBMultiplyRow_AVX2;
}
}
#endif
#if defined(HAS_ARGBMULTIPLYROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBMultiplyRow = ARGBMultiplyRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBMultiplyRow = ARGBMultiplyRow_NEON;
}
}
#endif
// Multiply plane
for (y = 0; y < height; ++y) {
ARGBMultiplyRow(src_argb0, src_argb1, dst_argb, width);
src_argb0 += src_stride_argb0;
src_argb1 += src_stride_argb1;
dst_argb += dst_stride_argb;
}
return 0;
}
// Add 2 ARGB images and store to destination.
LIBYUV_API
int ARGBAdd(const uint8* src_argb0, int src_stride_argb0,
const uint8* src_argb1, int src_stride_argb1,
uint8* dst_argb, int dst_stride_argb,
int width, int height) {
int y;
void (*ARGBAddRow)(const uint8* src0, const uint8* src1, uint8* dst,
int width) = ARGBAddRow_C;
if (!src_argb0 || !src_argb1 || !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_argb0 == width * 4 &&
src_stride_argb1 == width * 4 &&
dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_argb0 = src_stride_argb1 = dst_stride_argb = 0;
}
#if defined(HAS_ARGBADDROW_SSE2) && (defined(_MSC_VER) && !defined(__clang__))
if (TestCpuFlag(kCpuHasSSE2)) {
ARGBAddRow = ARGBAddRow_SSE2;
}
#endif
#if defined(HAS_ARGBADDROW_SSE2) && !(defined(_MSC_VER) && !defined(__clang__))
if (TestCpuFlag(kCpuHasSSE2)) {
ARGBAddRow = ARGBAddRow_Any_SSE2;
if (IS_ALIGNED(width, 4)) {
ARGBAddRow = ARGBAddRow_SSE2;
}
}
#endif
#if defined(HAS_ARGBADDROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBAddRow = ARGBAddRow_Any_AVX2;
if (IS_ALIGNED(width, 8)) {
ARGBAddRow = ARGBAddRow_AVX2;
}
}
#endif
#if defined(HAS_ARGBADDROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBAddRow = ARGBAddRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBAddRow = ARGBAddRow_NEON;
}
}
#endif
// Add plane
for (y = 0; y < height; ++y) {
ARGBAddRow(src_argb0, src_argb1, dst_argb, width);
src_argb0 += src_stride_argb0;
src_argb1 += src_stride_argb1;
dst_argb += dst_stride_argb;
}
return 0;
}
// Subtract 2 ARGB images and store to destination.
LIBYUV_API
int ARGBSubtract(const uint8* src_argb0, int src_stride_argb0,
const uint8* src_argb1, int src_stride_argb1,
uint8* dst_argb, int dst_stride_argb,
int width, int height) {
int y;
void (*ARGBSubtractRow)(const uint8* src0, const uint8* src1, uint8* dst,
int width) = ARGBSubtractRow_C;
if (!src_argb0 || !src_argb1 || !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_argb0 == width * 4 &&
src_stride_argb1 == width * 4 &&
dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_argb0 = src_stride_argb1 = dst_stride_argb = 0;
}
#if defined(HAS_ARGBSUBTRACTROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
ARGBSubtractRow = ARGBSubtractRow_Any_SSE2;
if (IS_ALIGNED(width, 4)) {
ARGBSubtractRow = ARGBSubtractRow_SSE2;
}
}
#endif
#if defined(HAS_ARGBSUBTRACTROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBSubtractRow = ARGBSubtractRow_Any_AVX2;
if (IS_ALIGNED(width, 8)) {
ARGBSubtractRow = ARGBSubtractRow_AVX2;
}
}
#endif
#if defined(HAS_ARGBSUBTRACTROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBSubtractRow = ARGBSubtractRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
ARGBSubtractRow = ARGBSubtractRow_NEON;
}
}
#endif
// Subtract plane
for (y = 0; y < height; ++y) {
ARGBSubtractRow(src_argb0, src_argb1, dst_argb, width);
src_argb0 += src_stride_argb0;
src_argb1 += src_stride_argb1;
dst_argb += dst_stride_argb;
}
return 0;
}
// Convert I422 to BGRA.
LIBYUV_API
int I422ToBGRA(const uint8* src_y, int src_stride_y,
const uint8* src_u, int src_stride_u,
const uint8* src_v, int src_stride_v,
uint8* dst_bgra, int dst_stride_bgra,
int width, int height) {
int y;
void (*I422ToBGRARow)(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
struct YuvConstants* yuvconstants,
int width) = I422ToBGRARow_C;
if (!src_y || !src_u || !src_v ||
!dst_bgra ||
width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_bgra = dst_bgra + (height - 1) * dst_stride_bgra;
dst_stride_bgra = -dst_stride_bgra;
}
// Coalesce rows.
if (src_stride_y == width &&
src_stride_u * 2 == width &&
src_stride_v * 2 == width &&
dst_stride_bgra == width * 4) {
width *= height;
height = 1;
src_stride_y = src_stride_u = src_stride_v = dst_stride_bgra = 0;
}
#if defined(HAS_I422TOBGRAROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
I422ToBGRARow = I422ToBGRARow_Any_SSSE3;
if (IS_ALIGNED(width, 8)) {
I422ToBGRARow = I422ToBGRARow_SSSE3;
}
}
#endif
#if defined(HAS_I422TOBGRAROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
I422ToBGRARow = I422ToBGRARow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
I422ToBGRARow = I422ToBGRARow_AVX2;
}
}
#endif
#if defined(HAS_I422TOBGRAROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
I422ToBGRARow = I422ToBGRARow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
I422ToBGRARow = I422ToBGRARow_NEON;
}
}
#endif
#if defined(HAS_I422TOBGRAROW_MIPS_DSPR2)
if (TestCpuFlag(kCpuHasMIPS_DSPR2) && IS_ALIGNED(width, 4) &&
IS_ALIGNED(src_y, 4) && IS_ALIGNED(src_stride_y, 4) &&
IS_ALIGNED(src_u, 2) && IS_ALIGNED(src_stride_u, 2) &&
IS_ALIGNED(src_v, 2) && IS_ALIGNED(src_stride_v, 2) &&
IS_ALIGNED(dst_bgra, 4) && IS_ALIGNED(dst_stride_bgra, 4)) {
I422ToBGRARow = I422ToBGRARow_MIPS_DSPR2;
}
#endif
for (y = 0; y < height; ++y) {
I422ToBGRARow(src_y, src_u, src_v, dst_bgra, &kYuvConstants, width);
dst_bgra += dst_stride_bgra;
src_y += src_stride_y;
src_u += src_stride_u;
src_v += src_stride_v;
}
return 0;
}
// Convert I422 to ABGR.
LIBYUV_API
int I422ToABGR(const uint8* src_y, int src_stride_y,
const uint8* src_u, int src_stride_u,
const uint8* src_v, int src_stride_v,
uint8* dst_abgr, int dst_stride_abgr,
int width, int height) {
int y;
void (*I422ToABGRRow)(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
struct YuvConstants* yuvconstants,
int width) = I422ToABGRRow_C;
if (!src_y || !src_u || !src_v ||
!dst_abgr ||
width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_abgr = dst_abgr + (height - 1) * dst_stride_abgr;
dst_stride_abgr = -dst_stride_abgr;
}
// Coalesce rows.
if (src_stride_y == width &&
src_stride_u * 2 == width &&
src_stride_v * 2 == width &&
dst_stride_abgr == width * 4) {
width *= height;
height = 1;
src_stride_y = src_stride_u = src_stride_v = dst_stride_abgr = 0;
}
#if defined(HAS_I422TOABGRROW_NEON)
if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
I422ToABGRRow = I422ToABGRRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
I422ToABGRRow = I422ToABGRRow_NEON;
}
}
#endif
#if defined(HAS_I422TOABGRROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
I422ToABGRRow = I422ToABGRRow_Any_SSSE3;
if (IS_ALIGNED(width, 8)) {
I422ToABGRRow = I422ToABGRRow_SSSE3;
}
}
#endif
#if defined(HAS_I422TOABGRROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
I422ToABGRRow = I422ToABGRRow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
I422ToABGRRow = I422ToABGRRow_AVX2;
}
}
#endif
for (y = 0; y < height; ++y) {
I422ToABGRRow(src_y, src_u, src_v, dst_abgr, &kYuvConstants, width);
dst_abgr += dst_stride_abgr;
src_y += src_stride_y;
src_u += src_stride_u;
src_v += src_stride_v;
}
return 0;
}
// Convert I422 to RGBA.
LIBYUV_API
int I422ToRGBA(const uint8* src_y, int src_stride_y,
const uint8* src_u, int src_stride_u,
const uint8* src_v, int src_stride_v,
uint8* dst_rgba, int dst_stride_rgba,
int width, int height) {
int y;
void (*I422ToRGBARow)(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* rgb_buf,
struct YuvConstants* yuvconstants,
int width) = I422ToRGBARow_C;
if (!src_y || !src_u || !src_v ||
!dst_rgba ||
width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_rgba = dst_rgba + (height - 1) * dst_stride_rgba;
dst_stride_rgba = -dst_stride_rgba;
}
// Coalesce rows.
if (src_stride_y == width &&
src_stride_u * 2 == width &&
src_stride_v * 2 == width &&
dst_stride_rgba == width * 4) {
width *= height;
height = 1;
src_stride_y = src_stride_u = src_stride_v = dst_stride_rgba = 0;
}
#if defined(HAS_I422TORGBAROW_NEON)
if (TestCpuFlag(kCpuHasNEON) && width >= 8) {
I422ToRGBARow = I422ToRGBARow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
I422ToRGBARow = I422ToRGBARow_NEON;
}
}
#endif
#if defined(HAS_I422TORGBAROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
I422ToRGBARow = I422ToRGBARow_Any_SSSE3;
if (IS_ALIGNED(width, 8)) {
I422ToRGBARow = I422ToRGBARow_SSSE3;
}
}
#endif
#if defined(HAS_I422TORGBAROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
I422ToRGBARow = I422ToRGBARow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
I422ToRGBARow = I422ToRGBARow_AVX2;
}
}
#endif
for (y = 0; y < height; ++y) {
I422ToRGBARow(src_y, src_u, src_v, dst_rgba, &kYuvConstants, width);
dst_rgba += dst_stride_rgba;
src_y += src_stride_y;
src_u += src_stride_u;
src_v += src_stride_v;
}
return 0;
}
// Convert NV12 to RGB565.
LIBYUV_API
int NV12ToRGB565(const uint8* src_y, int src_stride_y,
const uint8* src_uv, int src_stride_uv,
uint8* dst_rgb565, int dst_stride_rgb565,
int width, int height) {
int y;
void (*NV12ToRGB565Row)(const uint8* y_buf,
const uint8* uv_buf,
uint8* rgb_buf,
struct YuvConstants* yuvconstants,
int width) = NV12ToRGB565Row_C;
if (!src_y || !src_uv || !dst_rgb565 ||
width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
dst_rgb565 = dst_rgb565 + (height - 1) * dst_stride_rgb565;
dst_stride_rgb565 = -dst_stride_rgb565;
}
#if defined(HAS_NV12TORGB565ROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
NV12ToRGB565Row = NV12ToRGB565Row_Any_SSSE3;
if (IS_ALIGNED(width, 8)) {
NV12ToRGB565Row = NV12ToRGB565Row_SSSE3;
}
}
#endif
#if defined(HAS_NV12TORGB565ROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
NV12ToRGB565Row = NV12ToRGB565Row_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
NV12ToRGB565Row = NV12ToRGB565Row_AVX2;
}
}
#endif
#if defined(HAS_NV12TORGB565ROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
NV12ToRGB565Row = NV12ToRGB565Row_Any_NEON;
if (IS_ALIGNED(width, 8)) {
NV12ToRGB565Row = NV12ToRGB565Row_NEON;
}
}
#endif
for (y = 0; y < height; ++y) {
NV12ToRGB565Row(src_y, src_uv, dst_rgb565, &kYuvConstants, width);
dst_rgb565 += dst_stride_rgb565;
src_y += src_stride_y;
if (y & 1) {
src_uv += src_stride_uv;
}
}
return 0;
}
LIBYUV_API
void SetPlane(uint8* dst_y, int dst_stride_y,
int width, int height,
uint32 value) {
int y;
void (*SetRow)(uint8* dst, uint8 value, int width) = SetRow_C;
if (height < 0) {
height = -height;
dst_y = dst_y + (height - 1) * dst_stride_y;
dst_stride_y = -dst_stride_y;
}
// Coalesce rows.
if (dst_stride_y == width) {
width *= height;
height = 1;
dst_stride_y = 0;
}
#if defined(HAS_SETROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
SetRow = SetRow_Any_NEON;
if (IS_ALIGNED(width, 16)) {
SetRow = SetRow_NEON;
}
}
#endif
#if defined(HAS_SETROW_X86)
if (TestCpuFlag(kCpuHasX86)) {
SetRow = SetRow_Any_X86;
if (IS_ALIGNED(width, 4)) {
SetRow = SetRow_X86;
}
}
#endif
#if defined(HAS_SETROW_ERMS)
if (TestCpuFlag(kCpuHasERMS)) {
SetRow = SetRow_ERMS;
}
#endif
// Set plane
for (y = 0; y < height; ++y) {
SetRow(dst_y, value, width);
dst_y += dst_stride_y;
}
}
// Draw a rectangle into I420
LIBYUV_API
int I420Rect(uint8* dst_y, int dst_stride_y,
uint8* dst_u, int dst_stride_u,
uint8* dst_v, int dst_stride_v,
int x, int y,
int width, int height,
int value_y, int value_u, int value_v) {
int halfwidth = (width + 1) >> 1;
int halfheight = (height + 1) >> 1;
uint8* start_y = dst_y + y * dst_stride_y + x;
uint8* start_u = dst_u + (y / 2) * dst_stride_u + (x / 2);
uint8* start_v = dst_v + (y / 2) * dst_stride_v + (x / 2);
if (!dst_y || !dst_u || !dst_v ||
width <= 0 || height == 0 ||
x < 0 || y < 0 ||
value_y < 0 || value_y > 255 ||
value_u < 0 || value_u > 255 ||
value_v < 0 || value_v > 255) {
return -1;
}
SetPlane(start_y, dst_stride_y, width, height, value_y);
SetPlane(start_u, dst_stride_u, halfwidth, halfheight, value_u);
SetPlane(start_v, dst_stride_v, halfwidth, halfheight, value_v);
return 0;
}
// Draw a rectangle into ARGB
LIBYUV_API
int ARGBRect(uint8* dst_argb, int dst_stride_argb,
int dst_x, int dst_y,
int width, int height,
uint32 value) {
int y;
void (*ARGBSetRow)(uint8* dst_argb, uint32 value, int width) = ARGBSetRow_C;
if (!dst_argb ||
width <= 0 || height == 0 ||
dst_x < 0 || dst_y < 0) {
return -1;
}
if (height < 0) {
height = -height;
dst_argb = dst_argb + (height - 1) * dst_stride_argb;
dst_stride_argb = -dst_stride_argb;
}
dst_argb += dst_y * dst_stride_argb + dst_x * 4;
// Coalesce rows.
if (dst_stride_argb == width * 4) {
width *= height;
height = 1;
dst_stride_argb = 0;
}
#if defined(HAS_ARGBSETROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBSetRow = ARGBSetRow_Any_NEON;
if (IS_ALIGNED(width, 4)) {
ARGBSetRow = ARGBSetRow_NEON;
}
}
#endif
#if defined(HAS_ARGBSETROW_X86)
if (TestCpuFlag(kCpuHasX86)) {
ARGBSetRow = ARGBSetRow_X86;
}
#endif
// Set plane
for (y = 0; y < height; ++y) {
ARGBSetRow(dst_argb, value, width);
dst_argb += dst_stride_argb;
}
return 0;
}
// Convert unattentuated ARGB to preattenuated ARGB.
// An unattenutated ARGB alpha blend uses the formula
// p = a * f + (1 - a) * b
// where
// p is output pixel
// f is foreground pixel
// b is background pixel
// a is alpha value from foreground pixel
// An preattenutated ARGB alpha blend uses the formula
// p = f + (1 - a) * b
// where
// f is foreground pixel premultiplied by alpha
LIBYUV_API
int ARGBAttenuate(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb, int dst_stride_argb,
int width, int height) {
int y;
void (*ARGBAttenuateRow)(const uint8* src_argb, uint8* dst_argb,
int width) = ARGBAttenuateRow_C;
if (!src_argb || !dst_argb || 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_argb == width * 4) {
width *= height;
height = 1;
src_stride_argb = dst_stride_argb = 0;
}
#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
for (y = 0; y < height; ++y) {
ARGBAttenuateRow(src_argb, dst_argb, width);
src_argb += src_stride_argb;
dst_argb += dst_stride_argb;
}
return 0;
}
// Convert preattentuated ARGB to unattenuated ARGB.
LIBYUV_API
int ARGBUnattenuate(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb, int dst_stride_argb,
int width, int height) {
int y;
void (*ARGBUnattenuateRow)(const uint8* src_argb, uint8* dst_argb,
int width) = ARGBUnattenuateRow_C;
if (!src_argb || !dst_argb || 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_argb == width * 4) {
width *= height;
height = 1;
src_stride_argb = dst_stride_argb = 0;
}
#if defined(HAS_ARGBUNATTENUATEROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
ARGBUnattenuateRow = ARGBUnattenuateRow_Any_SSE2;
if (IS_ALIGNED(width, 4)) {
ARGBUnattenuateRow = ARGBUnattenuateRow_SSE2;
}
}
#endif
#if defined(HAS_ARGBUNATTENUATEROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBUnattenuateRow = ARGBUnattenuateRow_Any_AVX2;
if (IS_ALIGNED(width, 8)) {
ARGBUnattenuateRow = ARGBUnattenuateRow_AVX2;
}
}
#endif
// TODO(fbarchard): Neon version.
for (y = 0; y < height; ++y) {
ARGBUnattenuateRow(src_argb, dst_argb, width);
src_argb += src_stride_argb;
dst_argb += dst_stride_argb;
}
return 0;
}
// Convert ARGB to Grayed ARGB.
LIBYUV_API
int ARGBGrayTo(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb, int dst_stride_argb,
int width, int height) {
int y;
void (*ARGBGrayRow)(const uint8* src_argb, uint8* dst_argb,
int width) = ARGBGrayRow_C;
if (!src_argb || !dst_argb || 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_argb == width * 4) {
width *= height;
height = 1;
src_stride_argb = dst_stride_argb = 0;
}
#if defined(HAS_ARGBGRAYROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 8)) {
ARGBGrayRow = ARGBGrayRow_SSSE3;
}
#endif
#if defined(HAS_ARGBGRAYROW_NEON)
if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 8)) {
ARGBGrayRow = ARGBGrayRow_NEON;
}
#endif
for (y = 0; y < height; ++y) {
ARGBGrayRow(src_argb, dst_argb, width);
src_argb += src_stride_argb;
dst_argb += dst_stride_argb;
}
return 0;
}
// Make a rectangle of ARGB gray scale.
LIBYUV_API
int ARGBGray(uint8* dst_argb, int dst_stride_argb,
int dst_x, int dst_y,
int width, int height) {
int y;
void (*ARGBGrayRow)(const uint8* src_argb, uint8* dst_argb,
int width) = ARGBGrayRow_C;
uint8* dst = dst_argb + dst_y * dst_stride_argb + dst_x * 4;
if (!dst_argb || width <= 0 || height <= 0 || dst_x < 0 || dst_y < 0) {
return -1;
}
// Coalesce rows.
if (dst_stride_argb == width * 4) {
width *= height;
height = 1;
dst_stride_argb = 0;
}
#if defined(HAS_ARGBGRAYROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 8)) {
ARGBGrayRow = ARGBGrayRow_SSSE3;
}
#endif
#if defined(HAS_ARGBGRAYROW_NEON)
if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 8)) {
ARGBGrayRow = ARGBGrayRow_NEON;
}
#endif
for (y = 0; y < height; ++y) {
ARGBGrayRow(dst, dst, width);
dst += dst_stride_argb;
}
return 0;
}
// Make a rectangle of ARGB Sepia tone.
LIBYUV_API
int ARGBSepia(uint8* dst_argb, int dst_stride_argb,
int dst_x, int dst_y, int width, int height) {
int y;
void (*ARGBSepiaRow)(uint8* dst_argb, int width) = ARGBSepiaRow_C;
uint8* dst = dst_argb + dst_y * dst_stride_argb + dst_x * 4;
if (!dst_argb || width <= 0 || height <= 0 || dst_x < 0 || dst_y < 0) {
return -1;
}
// Coalesce rows.
if (dst_stride_argb == width * 4) {
width *= height;
height = 1;
dst_stride_argb = 0;
}
#if defined(HAS_ARGBSEPIAROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 8)) {
ARGBSepiaRow = ARGBSepiaRow_SSSE3;
}
#endif
#if defined(HAS_ARGBSEPIAROW_NEON)
if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 8)) {
ARGBSepiaRow = ARGBSepiaRow_NEON;
}
#endif
for (y = 0; y < height; ++y) {
ARGBSepiaRow(dst, width);
dst += dst_stride_argb;
}
return 0;
}
// Apply a 4x4 matrix to each ARGB pixel.
// Note: Normally for shading, but can be used to swizzle or invert.
LIBYUV_API
int ARGBColorMatrix(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb, int dst_stride_argb,
const int8* matrix_argb,
int width, int height) {
int y;
void (*ARGBColorMatrixRow)(const uint8* src_argb, uint8* dst_argb,
const int8* matrix_argb, int width) = ARGBColorMatrixRow_C;
if (!src_argb || !dst_argb || !matrix_argb || 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_argb == width * 4) {
width *= height;
height = 1;
src_stride_argb = dst_stride_argb = 0;
}
#if defined(HAS_ARGBCOLORMATRIXROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 8)) {
ARGBColorMatrixRow = ARGBColorMatrixRow_SSSE3;
}
#endif
#if defined(HAS_ARGBCOLORMATRIXROW_NEON)
if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 8)) {
ARGBColorMatrixRow = ARGBColorMatrixRow_NEON;
}
#endif
for (y = 0; y < height; ++y) {
ARGBColorMatrixRow(src_argb, dst_argb, matrix_argb, width);
src_argb += src_stride_argb;
dst_argb += dst_stride_argb;
}
return 0;
}
// Apply a 4x3 matrix to each ARGB pixel.
// Deprecated.
LIBYUV_API
int RGBColorMatrix(uint8* dst_argb, int dst_stride_argb,
const int8* matrix_rgb,
int dst_x, int dst_y, int width, int height) {
SIMD_ALIGNED(int8 matrix_argb[16]);
uint8* dst = dst_argb + dst_y * dst_stride_argb + dst_x * 4;
if (!dst_argb || !matrix_rgb || width <= 0 || height <= 0 ||
dst_x < 0 || dst_y < 0) {
return -1;
}
// Convert 4x3 7 bit matrix to 4x4 6 bit matrix.
matrix_argb[0] = matrix_rgb[0] / 2;
matrix_argb[1] = matrix_rgb[1] / 2;
matrix_argb[2] = matrix_rgb[2] / 2;
matrix_argb[3] = matrix_rgb[3] / 2;
matrix_argb[4] = matrix_rgb[4] / 2;
matrix_argb[5] = matrix_rgb[5] / 2;
matrix_argb[6] = matrix_rgb[6] / 2;
matrix_argb[7] = matrix_rgb[7] / 2;
matrix_argb[8] = matrix_rgb[8] / 2;
matrix_argb[9] = matrix_rgb[9] / 2;
matrix_argb[10] = matrix_rgb[10] / 2;
matrix_argb[11] = matrix_rgb[11] / 2;
matrix_argb[14] = matrix_argb[13] = matrix_argb[12] = 0;
matrix_argb[15] = 64; // 1.0
return ARGBColorMatrix((const uint8*)(dst), dst_stride_argb,
dst, dst_stride_argb,
&matrix_argb[0], width, height);
}
// Apply a color table each ARGB pixel.
// Table contains 256 ARGB values.
LIBYUV_API
int ARGBColorTable(uint8* dst_argb, int dst_stride_argb,
const uint8* table_argb,
int dst_x, int dst_y, int width, int height) {
int y;
void (*ARGBColorTableRow)(uint8* dst_argb, const uint8* table_argb,
int width) = ARGBColorTableRow_C;
uint8* dst = dst_argb + dst_y * dst_stride_argb + dst_x * 4;
if (!dst_argb || !table_argb || width <= 0 || height <= 0 ||
dst_x < 0 || dst_y < 0) {
return -1;
}
// Coalesce rows.
if (dst_stride_argb == width * 4) {
width *= height;
height = 1;
dst_stride_argb = 0;
}
#if defined(HAS_ARGBCOLORTABLEROW_X86)
if (TestCpuFlag(kCpuHasX86)) {
ARGBColorTableRow = ARGBColorTableRow_X86;
}
#endif
for (y = 0; y < height; ++y) {
ARGBColorTableRow(dst, table_argb, width);
dst += dst_stride_argb;
}
return 0;
}
// Apply a color table each ARGB pixel but preserve destination alpha.
// Table contains 256 ARGB values.
LIBYUV_API
int RGBColorTable(uint8* dst_argb, int dst_stride_argb,
const uint8* table_argb,
int dst_x, int dst_y, int width, int height) {
int y;
void (*RGBColorTableRow)(uint8* dst_argb, const uint8* table_argb,
int width) = RGBColorTableRow_C;
uint8* dst = dst_argb + dst_y * dst_stride_argb + dst_x * 4;
if (!dst_argb || !table_argb || width <= 0 || height <= 0 ||
dst_x < 0 || dst_y < 0) {
return -1;
}
// Coalesce rows.
if (dst_stride_argb == width * 4) {
width *= height;
height = 1;
dst_stride_argb = 0;
}
#if defined(HAS_RGBCOLORTABLEROW_X86)
if (TestCpuFlag(kCpuHasX86)) {
RGBColorTableRow = RGBColorTableRow_X86;
}
#endif
for (y = 0; y < height; ++y) {
RGBColorTableRow(dst, table_argb, width);
dst += dst_stride_argb;
}
return 0;
}
// ARGBQuantize is used to posterize art.
// e.g. rgb / qvalue * qvalue + qvalue / 2
// But the low levels implement efficiently with 3 parameters, and could be
// used for other high level operations.
// dst_argb[0] = (b * scale >> 16) * interval_size + interval_offset;
// where scale is 1 / interval_size as a fixed point value.
// The divide is replaces with a multiply by reciprocal fixed point multiply.
// Caveat - although SSE2 saturates, the C function does not and should be used
// with care if doing anything but quantization.
LIBYUV_API
int ARGBQuantize(uint8* dst_argb, int dst_stride_argb,
int scale, int interval_size, int interval_offset,
int dst_x, int dst_y, int width, int height) {
int y;
void (*ARGBQuantizeRow)(uint8* dst_argb, int scale, int interval_size,
int interval_offset, int width) = ARGBQuantizeRow_C;
uint8* dst = dst_argb + dst_y * dst_stride_argb + dst_x * 4;
if (!dst_argb || width <= 0 || height <= 0 || dst_x < 0 || dst_y < 0 ||
interval_size < 1 || interval_size > 255) {
return -1;
}
// Coalesce rows.
if (dst_stride_argb == width * 4) {
width *= height;
height = 1;
dst_stride_argb = 0;
}
#if defined(HAS_ARGBQUANTIZEROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 4)) {
ARGBQuantizeRow = ARGBQuantizeRow_SSE2;
}
#endif
#if defined(HAS_ARGBQUANTIZEROW_NEON)
if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 8)) {
ARGBQuantizeRow = ARGBQuantizeRow_NEON;
}
#endif
for (y = 0; y < height; ++y) {
ARGBQuantizeRow(dst, scale, interval_size, interval_offset, width);
dst += dst_stride_argb;
}
return 0;
}
// Computes table of cumulative sum for image where the value is the sum
// of all values above and to the left of the entry. Used by ARGBBlur.
LIBYUV_API
int ARGBComputeCumulativeSum(const uint8* src_argb, int src_stride_argb,
int32* dst_cumsum, int dst_stride32_cumsum,
int width, int height) {
int y;
void (*ComputeCumulativeSumRow)(const uint8* row, int32* cumsum,
const int32* previous_cumsum, int width) = ComputeCumulativeSumRow_C;
int32* previous_cumsum = dst_cumsum;
if (!dst_cumsum || !src_argb || width <= 0 || height <= 0) {
return -1;
}
#if defined(HAS_CUMULATIVESUMTOAVERAGEROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
ComputeCumulativeSumRow = ComputeCumulativeSumRow_SSE2;
}
#endif
memset(dst_cumsum, 0, width * sizeof(dst_cumsum[0]) * 4); // 4 int per pixel.
for (y = 0; y < height; ++y) {
ComputeCumulativeSumRow(src_argb, dst_cumsum, previous_cumsum, width);
previous_cumsum = dst_cumsum;
dst_cumsum += dst_stride32_cumsum;
src_argb += src_stride_argb;
}
return 0;
}
// Blur ARGB image.
// Caller should allocate CumulativeSum table of width * height * 16 bytes
// aligned to 16 byte boundary. height can be radius * 2 + 2 to save memory
// as the buffer is treated as circular.
LIBYUV_API
int ARGBBlur(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb, int dst_stride_argb,
int32* dst_cumsum, int dst_stride32_cumsum,
int width, int height, int radius) {
int y;
void (*ComputeCumulativeSumRow)(const uint8 *row, int32 *cumsum,
const int32* previous_cumsum, int width) = ComputeCumulativeSumRow_C;
void (*CumulativeSumToAverageRow)(const int32* topleft, const int32* botleft,
int width, int area, uint8* dst, int count) = CumulativeSumToAverageRow_C;
int32* cumsum_bot_row;
int32* max_cumsum_bot_row;
int32* cumsum_top_row;
if (!src_argb || !dst_argb || 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 (radius > height) {
radius = height;
}
if (radius > (width / 2 - 1)) {
radius = width / 2 - 1;
}
if (radius <= 0) {
return -1;
}
#if defined(HAS_CUMULATIVESUMTOAVERAGEROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
ComputeCumulativeSumRow = ComputeCumulativeSumRow_SSE2;
CumulativeSumToAverageRow = CumulativeSumToAverageRow_SSE2;
}
#endif
// Compute enough CumulativeSum for first row to be blurred. After this
// one row of CumulativeSum is updated at a time.
ARGBComputeCumulativeSum(src_argb, src_stride_argb,
dst_cumsum, dst_stride32_cumsum,
width, radius);
src_argb = src_argb + radius * src_stride_argb;
cumsum_bot_row = &dst_cumsum[(radius - 1) * dst_stride32_cumsum];
max_cumsum_bot_row = &dst_cumsum[(radius * 2 + 2) * dst_stride32_cumsum];
cumsum_top_row = &dst_cumsum[0];
for (y = 0; y < height; ++y) {
int top_y = ((y - radius - 1) >= 0) ? (y - radius - 1) : 0;
int bot_y = ((y + radius) < height) ? (y + radius) : (height - 1);
int area = radius * (bot_y - top_y);
int boxwidth = radius * 4;
int x;
int n;
// Increment cumsum_top_row pointer with circular buffer wrap around.
if (top_y) {
cumsum_top_row += dst_stride32_cumsum;
if (cumsum_top_row >= max_cumsum_bot_row) {
cumsum_top_row = dst_cumsum;
}
}
// Increment cumsum_bot_row pointer with circular buffer wrap around and
// then fill in a row of CumulativeSum.
if ((y + radius) < height) {
const int32* prev_cumsum_bot_row = cumsum_bot_row;
cumsum_bot_row += dst_stride32_cumsum;
if (cumsum_bot_row >= max_cumsum_bot_row) {
cumsum_bot_row = dst_cumsum;
}
ComputeCumulativeSumRow(src_argb, cumsum_bot_row, prev_cumsum_bot_row,
width);
src_argb += src_stride_argb;
}
// Left clipped.
for (x = 0; x < radius + 1; ++x) {
CumulativeSumToAverageRow(cumsum_top_row, cumsum_bot_row,
boxwidth, area, &dst_argb[x * 4], 1);
area += (bot_y - top_y);
boxwidth += 4;
}
// Middle unclipped.
n = (width - 1) - radius - x + 1;
CumulativeSumToAverageRow(cumsum_top_row, cumsum_bot_row,
boxwidth, area, &dst_argb[x * 4], n);
// Right clipped.
for (x += n; x <= width - 1; ++x) {
area -= (bot_y - top_y);
boxwidth -= 4;
CumulativeSumToAverageRow(cumsum_top_row + (x - radius - 1) * 4,
cumsum_bot_row + (x - radius - 1) * 4,
boxwidth, area, &dst_argb[x * 4], 1);
}
dst_argb += dst_stride_argb;
}
return 0;
}
// Multiply ARGB image by a specified ARGB value.
LIBYUV_API
int ARGBShade(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb, int dst_stride_argb,
int width, int height, uint32 value) {
int y;
void (*ARGBShadeRow)(const uint8* src_argb, uint8* dst_argb,
int width, uint32 value) = ARGBShadeRow_C;
if (!src_argb || !dst_argb || width <= 0 || height == 0 || value == 0u) {
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_argb == width * 4) {
width *= height;
height = 1;
src_stride_argb = dst_stride_argb = 0;
}
#if defined(HAS_ARGBSHADEROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 4)) {
ARGBShadeRow = ARGBShadeRow_SSE2;
}
#endif
#if defined(HAS_ARGBSHADEROW_NEON)
if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 8)) {
ARGBShadeRow = ARGBShadeRow_NEON;
}
#endif
for (y = 0; y < height; ++y) {
ARGBShadeRow(src_argb, dst_argb, width, value);
src_argb += src_stride_argb;
dst_argb += dst_stride_argb;
}
return 0;
}
// Interpolate 2 ARGB images by specified amount (0 to 255).
LIBYUV_API
int ARGBInterpolate(const uint8* src_argb0, int src_stride_argb0,
const uint8* src_argb1, int src_stride_argb1,
uint8* dst_argb, int dst_stride_argb,
int width, int height, int interpolation) {
int y;
void (*InterpolateRow)(uint8* dst_ptr, const uint8* src_ptr,
ptrdiff_t src_stride, int dst_width,
int source_y_fraction) = InterpolateRow_C;
if (!src_argb0 || !src_argb1 || !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_argb0 == width * 4 &&
src_stride_argb1 == width * 4 &&
dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_argb0 = src_stride_argb1 = dst_stride_argb = 0;
}
#if defined(HAS_INTERPOLATEROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
InterpolateRow = InterpolateRow_Any_SSE2;
if (IS_ALIGNED(width, 4)) {
InterpolateRow = InterpolateRow_SSE2;
}
}
#endif
#if defined(HAS_INTERPOLATEROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
InterpolateRow = InterpolateRow_Any_SSSE3;
if (IS_ALIGNED(width, 4)) {
InterpolateRow = InterpolateRow_SSSE3;
}
}
#endif
#if defined(HAS_INTERPOLATEROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
InterpolateRow = InterpolateRow_Any_AVX2;
if (IS_ALIGNED(width, 8)) {
InterpolateRow = InterpolateRow_AVX2;
}
}
#endif
#if defined(HAS_INTERPOLATEROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
InterpolateRow = InterpolateRow_Any_NEON;
if (IS_ALIGNED(width, 4)) {
InterpolateRow = InterpolateRow_NEON;
}
}
#endif
#if defined(HAS_INTERPOLATEROW_MIPS_DSPR2)
if (TestCpuFlag(kCpuHasMIPS_DSPR2) &&
IS_ALIGNED(src_argb0, 4) && IS_ALIGNED(src_stride_argb0, 4) &&
IS_ALIGNED(src_argb1, 4) && IS_ALIGNED(src_stride_argb1, 4) &&
IS_ALIGNED(dst_argb, 4) && IS_ALIGNED(dst_stride_argb, 4)) {
InterpolateRow = InterpolateRow_MIPS_DSPR2;
}
#endif
for (y = 0; y < height; ++y) {
InterpolateRow(dst_argb, src_argb0, src_argb1 - src_argb0,
width * 4, interpolation);
src_argb0 += src_stride_argb0;
src_argb1 += src_stride_argb1;
dst_argb += dst_stride_argb;
}
return 0;
}
// Shuffle ARGB channel order. e.g. BGRA to ARGB.
LIBYUV_API
int ARGBShuffle(const uint8* src_bgra, int src_stride_bgra,
uint8* dst_argb, int dst_stride_argb,
const uint8* shuffler, int width, int height) {
int y;
void (*ARGBShuffleRow)(const uint8* src_bgra, uint8* dst_argb,
const uint8* shuffler, int width) = ARGBShuffleRow_C;
if (!src_bgra || !dst_argb ||
width <= 0 || height == 0) {
return -1;
}
// Negative height means invert the image.
if (height < 0) {
height = -height;
src_bgra = src_bgra + (height - 1) * src_stride_bgra;
src_stride_bgra = -src_stride_bgra;
}
// Coalesce rows.
if (src_stride_bgra == width * 4 &&
dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_bgra = dst_stride_argb = 0;
}
#if defined(HAS_ARGBSHUFFLEROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
ARGBShuffleRow = ARGBShuffleRow_Any_SSE2;
if (IS_ALIGNED(width, 4)) {
ARGBShuffleRow = ARGBShuffleRow_SSE2;
}
}
#endif
#if defined(HAS_ARGBSHUFFLEROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
ARGBShuffleRow = ARGBShuffleRow_Any_SSSE3;
if (IS_ALIGNED(width, 8)) {
ARGBShuffleRow = ARGBShuffleRow_SSSE3;
}
}
#endif
#if defined(HAS_ARGBSHUFFLEROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBShuffleRow = ARGBShuffleRow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
ARGBShuffleRow = ARGBShuffleRow_AVX2;
}
}
#endif
#if defined(HAS_ARGBSHUFFLEROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
ARGBShuffleRow = ARGBShuffleRow_Any_NEON;
if (IS_ALIGNED(width, 4)) {
ARGBShuffleRow = ARGBShuffleRow_NEON;
}
}
#endif
for (y = 0; y < height; ++y) {
ARGBShuffleRow(src_bgra, dst_argb, shuffler, width);
src_bgra += src_stride_bgra;
dst_argb += dst_stride_argb;
}
return 0;
}
// Sobel ARGB effect.
static int ARGBSobelize(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb, int dst_stride_argb,
int width, int height,
void (*SobelRow)(const uint8* src_sobelx,
const uint8* src_sobely,
uint8* dst, int width)) {
int y;
void (*ARGBToYJRow)(const uint8* src_argb, uint8* dst_g, int width) =
ARGBToYJRow_C;
void (*SobelYRow)(const uint8* src_y0, const uint8* src_y1,
uint8* dst_sobely, int width) = SobelYRow_C;
void (*SobelXRow)(const uint8* src_y0, const uint8* src_y1,
const uint8* src_y2, uint8* dst_sobely, int width) =
SobelXRow_C;
const int kEdge = 16; // Extra pixels at start of row for extrude/align.
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;
}
#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
#if defined(HAS_SOBELYROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
SobelYRow = SobelYRow_SSE2;
}
#endif
#if defined(HAS_SOBELYROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
SobelYRow = SobelYRow_NEON;
}
#endif
#if defined(HAS_SOBELXROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
SobelXRow = SobelXRow_SSE2;
}
#endif
#if defined(HAS_SOBELXROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
SobelXRow = SobelXRow_NEON;
}
#endif
{
// 3 rows with edges before/after.
const int kRowSize = (width + kEdge + 31) & ~31;
align_buffer_64(rows, kRowSize * 2 + (kEdge + kRowSize * 3 + kEdge));
uint8* row_sobelx = rows;
uint8* row_sobely = rows + kRowSize;
uint8* row_y = rows + kRowSize * 2;
// Convert first row.
uint8* row_y0 = row_y + kEdge;
uint8* row_y1 = row_y0 + kRowSize;
uint8* row_y2 = row_y1 + kRowSize;
ARGBToYJRow(src_argb, row_y0, width);
row_y0[-1] = row_y0[0];
memset(row_y0 + width, row_y0[width - 1], 16); // Extrude 16 for valgrind.
ARGBToYJRow(src_argb, row_y1, width);
row_y1[-1] = row_y1[0];
memset(row_y1 + width, row_y1[width - 1], 16);
memset(row_y2 + width, 0, 16);
for (y = 0; y < height; ++y) {
// Convert next row of ARGB to G.
if (y < (height - 1)) {
src_argb += src_stride_argb;
}
ARGBToYJRow(src_argb, row_y2, width);
row_y2[-1] = row_y2[0];
row_y2[width] = row_y2[width - 1];
SobelXRow(row_y0 - 1, row_y1 - 1, row_y2 - 1, row_sobelx, width);
SobelYRow(row_y0 - 1, row_y2 - 1, row_sobely, width);
SobelRow(row_sobelx, row_sobely, dst_argb, width);
// Cycle thru circular queue of 3 row_y buffers.
{
uint8* row_yt = row_y0;
row_y0 = row_y1;
row_y1 = row_y2;
row_y2 = row_yt;
}
dst_argb += dst_stride_argb;
}
free_aligned_buffer_64(rows);
}
return 0;
}
// Sobel ARGB effect.
LIBYUV_API
int ARGBSobel(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb, int dst_stride_argb,
int width, int height) {
void (*SobelRow)(const uint8* src_sobelx, const uint8* src_sobely,
uint8* dst_argb, int width) = SobelRow_C;
#if defined(HAS_SOBELROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
SobelRow = SobelRow_Any_SSE2;
if (IS_ALIGNED(width, 16)) {
SobelRow = SobelRow_SSE2;
}
}
#endif
#if defined(HAS_SOBELROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
SobelRow = SobelRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
SobelRow = SobelRow_NEON;
}
}
#endif
return ARGBSobelize(src_argb, src_stride_argb, dst_argb, dst_stride_argb,
width, height, SobelRow);
}
// Sobel ARGB effect with planar output.
LIBYUV_API
int ARGBSobelToPlane(const uint8* src_argb, int src_stride_argb,
uint8* dst_y, int dst_stride_y,
int width, int height) {
void (*SobelToPlaneRow)(const uint8* src_sobelx, const uint8* src_sobely,
uint8* dst_, int width) = SobelToPlaneRow_C;
#if defined(HAS_SOBELTOPLANEROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
SobelToPlaneRow = SobelToPlaneRow_Any_SSE2;
if (IS_ALIGNED(width, 16)) {
SobelToPlaneRow = SobelToPlaneRow_SSE2;
}
}
#endif
#if defined(HAS_SOBELTOPLANEROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
SobelToPlaneRow = SobelToPlaneRow_Any_NEON;
if (IS_ALIGNED(width, 16)) {
SobelToPlaneRow = SobelToPlaneRow_NEON;
}
}
#endif
return ARGBSobelize(src_argb, src_stride_argb, dst_y, dst_stride_y,
width, height, SobelToPlaneRow);
}
// SobelXY ARGB effect.
// Similar to Sobel, but also stores Sobel X in R and Sobel Y in B. G = Sobel.
LIBYUV_API
int ARGBSobelXY(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb, int dst_stride_argb,
int width, int height) {
void (*SobelXYRow)(const uint8* src_sobelx, const uint8* src_sobely,
uint8* dst_argb, int width) = SobelXYRow_C;
#if defined(HAS_SOBELXYROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
SobelXYRow = SobelXYRow_Any_SSE2;
if (IS_ALIGNED(width, 16)) {
SobelXYRow = SobelXYRow_SSE2;
}
}
#endif
#if defined(HAS_SOBELXYROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
SobelXYRow = SobelXYRow_Any_NEON;
if (IS_ALIGNED(width, 8)) {
SobelXYRow = SobelXYRow_NEON;
}
}
#endif
return ARGBSobelize(src_argb, src_stride_argb, dst_argb, dst_stride_argb,
width, height, SobelXYRow);
}
// Apply a 4x4 polynomial to each ARGB pixel.
LIBYUV_API
int ARGBPolynomial(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb, int dst_stride_argb,
const float* poly,
int width, int height) {
int y;
void (*ARGBPolynomialRow)(const uint8* src_argb,
uint8* dst_argb, const float* poly,
int width) = ARGBPolynomialRow_C;
if (!src_argb || !dst_argb || !poly || 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;
}
// Coalesce rows.
if (src_stride_argb == width * 4 &&
dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_argb = dst_stride_argb = 0;
}
#if defined(HAS_ARGBPOLYNOMIALROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 2)) {
ARGBPolynomialRow = ARGBPolynomialRow_SSE2;
}
#endif
#if defined(HAS_ARGBPOLYNOMIALROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2) && TestCpuFlag(kCpuHasFMA3) &&
IS_ALIGNED(width, 2)) {
ARGBPolynomialRow = ARGBPolynomialRow_AVX2;
}
#endif
for (y = 0; y < height; ++y) {
ARGBPolynomialRow(src_argb, dst_argb, poly, width);
src_argb += src_stride_argb;
dst_argb += dst_stride_argb;
}
return 0;
}
// Apply a lumacolortable to each ARGB pixel.
LIBYUV_API
int ARGBLumaColorTable(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb, int dst_stride_argb,
const uint8* luma,
int width, int height) {
int y;
void (*ARGBLumaColorTableRow)(const uint8* src_argb, uint8* dst_argb,
int width, const uint8* luma, const uint32 lumacoeff) =
ARGBLumaColorTableRow_C;
if (!src_argb || !dst_argb || !luma || 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;
}
// Coalesce rows.
if (src_stride_argb == width * 4 &&
dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_argb = dst_stride_argb = 0;
}
#if defined(HAS_ARGBLUMACOLORTABLEROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 4)) {
ARGBLumaColorTableRow = ARGBLumaColorTableRow_SSSE3;
}
#endif
for (y = 0; y < height; ++y) {
ARGBLumaColorTableRow(src_argb, dst_argb, width, luma, 0x00264b0f);
src_argb += src_stride_argb;
dst_argb += dst_stride_argb;
}
return 0;
}
// Copy Alpha from one ARGB image to another.
LIBYUV_API
int ARGBCopyAlpha(const uint8* src_argb, int src_stride_argb,
uint8* dst_argb, int dst_stride_argb,
int width, int height) {
int y;
void (*ARGBCopyAlphaRow)(const uint8* src_argb, uint8* dst_argb, int width) =
ARGBCopyAlphaRow_C;
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;
}
// Coalesce rows.
if (src_stride_argb == width * 4 &&
dst_stride_argb == width * 4) {
width *= height;
height = 1;
src_stride_argb = dst_stride_argb = 0;
}
#if defined(HAS_ARGBCOPYALPHAROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
ARGBCopyAlphaRow = ARGBCopyAlphaRow_Any_SSE2;
if (IS_ALIGNED(width, 8)) {
ARGBCopyAlphaRow = ARGBCopyAlphaRow_SSE2;
}
}
#endif
#if defined(HAS_ARGBCOPYALPHAROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBCopyAlphaRow = ARGBCopyAlphaRow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
ARGBCopyAlphaRow = ARGBCopyAlphaRow_AVX2;
}
}
#endif
for (y = 0; y < height; ++y) {
ARGBCopyAlphaRow(src_argb, dst_argb, width);
src_argb += src_stride_argb;
dst_argb += dst_stride_argb;
}
return 0;
}
// Copy a planar Y channel to the alpha channel of a destination ARGB image.
LIBYUV_API
int ARGBCopyYToAlpha(const uint8* src_y, int src_stride_y,
uint8* dst_argb, int dst_stride_argb,
int width, int height) {
int y;
void (*ARGBCopyYToAlphaRow)(const uint8* src_y, uint8* dst_argb, int width) =
ARGBCopyYToAlphaRow_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_ARGBCOPYYTOALPHAROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
ARGBCopyYToAlphaRow = ARGBCopyYToAlphaRow_Any_SSE2;
if (IS_ALIGNED(width, 8)) {
ARGBCopyYToAlphaRow = ARGBCopyYToAlphaRow_SSE2;
}
}
#endif
#if defined(HAS_ARGBCOPYYTOALPHAROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
ARGBCopyYToAlphaRow = ARGBCopyYToAlphaRow_Any_AVX2;
if (IS_ALIGNED(width, 16)) {
ARGBCopyYToAlphaRow = ARGBCopyYToAlphaRow_AVX2;
}
}
#endif
for (y = 0; y < height; ++y) {
ARGBCopyYToAlphaRow(src_y, dst_argb, width);
src_y += src_stride_y;
dst_argb += dst_stride_argb;
}
return 0;
}
LIBYUV_API
int YUY2ToNV12(const uint8* src_yuy2, int src_stride_yuy2,
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 (*SplitUVRow)(const uint8* src_uv, uint8* dst_u, uint8* dst_v,
int width) = SplitUVRow_C;
void (*InterpolateRow)(uint8* dst_ptr, const uint8* src_ptr,
ptrdiff_t src_stride, int dst_width,
int source_y_fraction) = InterpolateRow_C;
if (!src_yuy2 ||
!dst_y || !dst_uv ||
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;
}
#if defined(HAS_SPLITUVROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
SplitUVRow = SplitUVRow_Any_SSE2;
if (IS_ALIGNED(width, 16)) {
SplitUVRow = SplitUVRow_SSE2;
}
}
#endif
#if defined(HAS_SPLITUVROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
SplitUVRow = SplitUVRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
SplitUVRow = SplitUVRow_AVX2;
}
}
#endif
#if defined(HAS_SPLITUVROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
SplitUVRow = SplitUVRow_Any_NEON;
if (IS_ALIGNED(width, 16)) {
SplitUVRow = SplitUVRow_NEON;
}
}
#endif
#if defined(HAS_INTERPOLATEROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
InterpolateRow = InterpolateRow_Any_SSE2;
if (IS_ALIGNED(width, 16)) {
InterpolateRow = InterpolateRow_SSE2;
}
}
#endif
#if defined(HAS_INTERPOLATEROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
InterpolateRow = InterpolateRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
InterpolateRow = InterpolateRow_SSSE3;
}
}
#endif
#if defined(HAS_INTERPOLATEROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
InterpolateRow = InterpolateRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
InterpolateRow = InterpolateRow_AVX2;
}
}
#endif
#if defined(HAS_INTERPOLATEROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
InterpolateRow = InterpolateRow_Any_NEON;
if (IS_ALIGNED(width, 16)) {
InterpolateRow = InterpolateRow_NEON;
}
}
#endif
{
int awidth = halfwidth * 2;
// 2 rows of uv
align_buffer_64(rows, awidth * 2);
for (y = 0; y < height - 1; y += 2) {
// Split Y from UV.
SplitUVRow(src_yuy2, dst_y, rows, awidth);
SplitUVRow(src_yuy2 + src_stride_yuy2, dst_y + dst_stride_y,
rows + awidth, awidth);
InterpolateRow(dst_uv, rows, awidth, awidth, 128);
src_yuy2 += src_stride_yuy2 * 2;
dst_y += dst_stride_y * 2;
dst_uv += dst_stride_uv;
}
if (height & 1) {
// Split Y from UV.
SplitUVRow(src_yuy2, dst_y, dst_uv, width);
}
free_aligned_buffer_64(rows);
}
return 0;
}
LIBYUV_API
int UYVYToNV12(const uint8* src_uyvy, int src_stride_uyvy,
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 (*SplitUVRow)(const uint8* src_uv, uint8* dst_u, uint8* dst_v,
int width) = SplitUVRow_C;
void (*InterpolateRow)(uint8* dst_ptr, const uint8* src_ptr,
ptrdiff_t src_stride, int dst_width,
int source_y_fraction) = InterpolateRow_C;
if (!src_uyvy ||
!dst_y || !dst_uv ||
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;
}
#if defined(HAS_SPLITUVROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
SplitUVRow = SplitUVRow_Any_SSE2;
if (IS_ALIGNED(width, 16)) {
SplitUVRow = SplitUVRow_SSE2;
}
}
#endif
#if defined(HAS_SPLITUVROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
SplitUVRow = SplitUVRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
SplitUVRow = SplitUVRow_AVX2;
}
}
#endif
#if defined(HAS_SPLITUVROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
SplitUVRow = SplitUVRow_Any_NEON;
if (IS_ALIGNED(width, 16)) {
SplitUVRow = SplitUVRow_NEON;
}
}
#endif
#if defined(HAS_INTERPOLATEROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
InterpolateRow = InterpolateRow_Any_SSE2;
if (IS_ALIGNED(width, 16)) {
InterpolateRow = InterpolateRow_SSE2;
}
}
#endif
#if defined(HAS_INTERPOLATEROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3)) {
InterpolateRow = InterpolateRow_Any_SSSE3;
if (IS_ALIGNED(width, 16)) {
InterpolateRow = InterpolateRow_SSSE3;
}
}
#endif
#if defined(HAS_INTERPOLATEROW_AVX2)
if (TestCpuFlag(kCpuHasAVX2)) {
InterpolateRow = InterpolateRow_Any_AVX2;
if (IS_ALIGNED(width, 32)) {
InterpolateRow = InterpolateRow_AVX2;
}
}
#endif
#if defined(HAS_INTERPOLATEROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
InterpolateRow = InterpolateRow_Any_NEON;
if (IS_ALIGNED(width, 16)) {
InterpolateRow = InterpolateRow_NEON;
}
}
#endif
{
int awidth = halfwidth * 2;
// 2 rows of uv
align_buffer_64(rows, awidth * 2);
for (y = 0; y < height - 1; y += 2) {
// Split Y from UV.
SplitUVRow(src_uyvy, rows, dst_y, awidth);
SplitUVRow(src_uyvy + src_stride_uyvy, rows + awidth,
dst_y + dst_stride_y, awidth);
InterpolateRow(dst_uv, rows, awidth, awidth, 128);
src_uyvy += src_stride_uyvy * 2;
dst_y += dst_stride_y * 2;
dst_uv += dst_stride_uv;
}
if (height & 1) {
// Split Y from UV.
SplitUVRow(src_uyvy, dst_y, dst_uv, width);
}
free_aligned_buffer_64(rows);
}
return 0;
}
#ifdef __cplusplus
} // extern "C"
} // namespace libyuv
#endif
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