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I400 invert support which fixes a valgrind bug

Browse Source 
BUG=117
TEST=I400ToI400Invert_OptVsC
Review URL: https://webrtc-codereview.appspot.com/859010

git-svn-id: http://libyuv.googlecode.com/svn/trunk@398 16f28f9a-4ce2-e073-06de-1de4eb20be90
This commit is contained in:
fbarchard@google.com 2012-10-09 02:49:59 +00:00
parent f6e4e14713
commit 6b5a8efff7
4 changed files with 25 additions and 4 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: 397
Version: 398
License: BSD
License File: LICENSE

7
include/libyuv/planar_functions.h
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@ -27,8 +27,11 @@ void SetPlane(uint8* dst_y, int dst_stride_y,
int width, int height,
uint32 value);
// Alias.
#define I400ToI400 CopyPlane
// Copy I400. Supports inverting.
LIBYUV_API
int I400ToI400(const uint8* src_y, int src_stride_y,
uint8* dst_y, int dst_stride_y,
int width, int height);
// Copy a plane of data (I420 to I400).
LIBYUV_API

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 397
#define LIBYUV_VERSION 398
#endif // INCLUDE_LIBYUV_VERSION_H_ NOLINT

18
source/planar_functions.cc
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@ -55,6 +55,24 @@ void CopyPlane(const uint8* src_y, int src_stride_y,
}
}
// 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,