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Code Issues Releases Wiki Activity

support for negative strides (fixes -vf spp,flip crash)

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@15070 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
henry 2005-04-08 10:31:18 +00:00
parent f5fd8bb72a
commit 47f90af3ba
1 changed files with 20 additions and 2 deletions
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22
libvo/fastmemcpy.h
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@ -25,7 +25,16 @@ static inline void * mem2agpcpy_pic(void * dst, void * src, int bytesPerLine, in
int i; int i;
void *retval=dst; void *retval=dst;
if(dstStride == srcStride) mem2agpcpy(dst, src, srcStride*height); if(dstStride == srcStride)
{
if (srcStride < 0) {
src += (height-1)*srcStride;
dst += (height-1)*dstStride;
srcStride = -srcStride;
}
mem2agpcpy(dst, src, srcStride*height);
}
else else
{ {
for(i=0; i<height; i++) for(i=0; i<height; i++)
@ -44,7 +53,16 @@ static inline void * memcpy_pic(void * dst, void * src, int bytesPerLine, int he
int i; int i;
void *retval=dst; void *retval=dst;
if(dstStride == srcStride) memcpy(dst, src, srcStride*height); if(dstStride == srcStride)
{
if (srcStride < 0) {
src += (height-1)*srcStride;
dst += (height-1)*dstStride;
srcStride = -srcStride;
}
memcpy(dst, src, srcStride*height);
}
else else
{ {
for(i=0; i<height; i++) for(i=0; i<height; i++)