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YPixel subtract bias to match C code

Browse Source 
BUG=392
TESTED=TestGreyYUV
R=harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/37799004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1253 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2015-01-26 23:58:20 +00:00
parent f0845348fe
commit 4848b06016
4 changed files with 7 additions and 6 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: 1252
Version: 1253
License: BSD
License File: LICENSE

2
include/libyuv/version.h
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@ -11,6 +11,6 @@
#ifndef INCLUDE_LIBYUV_VERSION_H_ // NOLINT
#define INCLUDE_LIBYUV_VERSION_H_
#define LIBYUV_VERSION 1252
#define LIBYUV_VERSION 1253
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

6
source/row_common.cc
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@ -988,9 +988,9 @@ static __inline void YuvPixel(uint8 y, uint8 u, uint8 v,
// C reference code that mimics the YUV assembly.
static __inline void YPixel(uint8 y, uint8* b, uint8* g, uint8* r) {
uint32 y1 = (uint32)(y * 0x0101 * YG) >> 16;
*b = Clamp((int32)(-YGB + y1) >> 6);
*g = Clamp((int32)(-YGB + y1) >> 6);
*r = Clamp((int32)(-YGB + y1) >> 6);
*b = Clamp((int32)(y1 - YGB) >> 6);
*g = Clamp((int32)(y1 - YGB) >> 6);
*r = Clamp((int32)(y1 - YGB) >> 6);
}
#undef YG

3
unit_test/color_test.cc
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@ -21,7 +21,8 @@
namespace libyuv {
#ifdef _MSC_VER
#if defined (_M_X64) || defined(_M_IX86) || \
defined(__x86_64__) || defined(__i386__))
#define HIGH_ACCURACY 1
#endif