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YUY2 directly to ARGB.

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BUG=31
TEST=none
Review URL: https://webrtc-codereview.appspot.com/537003

git-svn-id: http://libyuv.googlecode.com/svn/trunk@253 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2012-04-27 20:14:09 +00:00
parent 5566302866
commit 87e2390fd8
4 changed files with 73 additions and 3 deletions
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2
README.chromium
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@ -1,6 +1,6 @@
Name: libyuv
URL: http://code.google.com/p/libyuv/
Version: 252
Version: 253
License: BSD
License File: LICENSE

5
include/libyuv/planar_functions.h
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@ -52,6 +52,11 @@ int NV12ToRGB565(const uint8* src_y, int src_stride_y,
uint8* dst_frame, int dst_stride_frame,
int width, int height);
// Convert YUY2 to ARGB.
int YUY2ToARGB(const uint8* src_yuy2, int src_stride_yuy2,
uint8* dst_argb, int dst_stride_argb,
int width, int height);
// Convert I422 to ARGB.
int I422ToARGB(const uint8* src_y, int src_stride_y,
const uint8* src_u, int src_stride_u,

2
include/libyuv/version.h
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@ -11,7 +11,7 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 252
#define LIBYUV_VERSION 253
#endif // INCLUDE_LIBYUV_VERSION_H_

67
source/planar_functions.cc
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@ -571,7 +571,6 @@ int NV12ToARGB(const uint8* src_y, int src_stride_y,
}
}
#endif
int halfwidth = (width + 1) >> 1;
void (*SplitUV)(const uint8* src_uv, uint8* dst_u, uint8* dst_v, int pix) =
SplitUV_C;
@ -600,6 +599,72 @@ int NV12ToARGB(const uint8* src_y, int src_stride_y,
return 0;
}
// Convert YUY2 to ARGB.
int YUY2ToARGB(const uint8* src_yuy2, int src_stride_yuy2,
uint8* dst_argb, int dst_stride_argb,
int width, int height) {
// 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;
}
void (*YUY2ToUVRow)(const uint8* src_yuy2, int src_stride_yuy2,
uint8* dst_u, uint8* dst_v, int pix) = YUY2ToUVRow_C;
void (*YUY2ToYRow)(const uint8* src_yuy2,
uint8* dst_y, int pix) = YUY2ToYRow_C;
#if defined(HAS_YUY2TOYROW_SSE2)
if (TestCpuFlag(kCpuHasSSE2)) {
if (width > 16) {
YUY2ToUVRow = YUY2ToUVRow_Any_SSE2;
YUY2ToYRow = YUY2ToYRow_Any_SSE2;
}
if (IS_ALIGNED(width, 16)) {
YUY2ToUVRow = YUY2ToUVRow_Unaligned_SSE2;
YUY2ToYRow = YUY2ToYRow_Unaligned_SSE2;
if (IS_ALIGNED(src_yuy2, 16) && IS_ALIGNED(src_stride_yuy2, 16)) {
YUY2ToUVRow = YUY2ToUVRow_SSE2;
YUY2ToYRow = YUY2ToYRow_SSE2;
}
}
}
#endif
void (*I420ToARGBRow)(const uint8* y_buf,
const uint8* u_buf,
const uint8* v_buf,
uint8* argb_buf,
int width) = I420ToARGBRow_C;
#if defined(HAS_I420TOARGBROW_NEON)
if (TestCpuFlag(kCpuHasNEON)) {
I420ToARGBRow = I420ToARGBRow_Any_NEON;
if (IS_ALIGNED(width, 16)) {
I420ToARGBRow = I420ToARGBRow_NEON;
}
}
#elif defined(HAS_I420TOARGBROW_SSSE3)
if (TestCpuFlag(kCpuHasSSSE3) && width >= 8) {
I420ToARGBRow = I420ToARGBRow_Any_SSSE3;
if (IS_ALIGNED(width, 8) &&
IS_ALIGNED(dst_argb, 16) && IS_ALIGNED(dst_stride_argb, 16)) {
I420ToARGBRow = I420ToARGBRow_SSSE3;
}
}
#endif
SIMD_ALIGNED(uint8 rowy[kMaxStride]);
SIMD_ALIGNED(uint8 rowu[kMaxStride]);
SIMD_ALIGNED(uint8 rowv[kMaxStride]);
for (int y = 0; y < height; ++y) {
YUY2ToUVRow(src_yuy2, src_stride_yuy2, rowu, rowv, width);
YUY2ToYRow(src_yuy2, rowy, width);
I420ToARGBRow(rowy, rowu, rowv, dst_argb, width);
src_yuy2 += src_stride_yuy2;
dst_argb += dst_stride_argb;
}
return 0;
}
// Convert NV12 to RGB565.
int NV12ToRGB565(const uint8* src_y, int src_stride_y,
const uint8* src_uv, int src_stride_uv,