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swscale: exchange src & dst chroma pos 

Found-by: wm4
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-07-24 22:43:50 +02:00
parent 24a4367ae9
commit 436616fd42
1 changed files with 3 additions and 3 deletions
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6
libswscale/utils.c
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@ -299,7 +299,7 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos,
FF_ALLOC_OR_GOTO(NULL, filter,
dstW * sizeof(*filter) * filterSize, fail);
xDstInSrc = ((srcPos*xInc)>>8) - ((dstPos*0x8000)>>7);
xDstInSrc = ((dstPos*xInc)>>8) - ((srcPos*0x8000)>>7);
for (i = 0; i < dstW; i++) {
int xx = (xDstInSrc - ((filterSize - 1) << 15) + (1 << 15)) >> 16;
@ -315,7 +315,7 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos,
FF_ALLOC_OR_GOTO(NULL, filter,
dstW * sizeof(*filter) * filterSize, fail);
xDstInSrc = ((srcPos*xInc)>>8) - ((dstPos*0x8000)>>7);
xDstInSrc = ((dstPos*xInc)>>8) - ((srcPos*0x8000)>>7);
for (i = 0; i < dstW; i++) {
int xx = (xDstInSrc - ((filterSize - 1) << 15) + (1 << 15)) >> 16;
int j;
@ -366,7 +366,7 @@ static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos,
FF_ALLOC_OR_GOTO(NULL, filter,
dstW * sizeof(*filter) * filterSize, fail);
xDstInSrc = ((srcPos*xInc)>>7) - ((dstPos*0x10000)>>7);
xDstInSrc = ((dstPos*xInc)>>7) - ((srcPos*0x10000)>>7);
for (i = 0; i < dstW; i++) {
int xx = (xDstInSrc - ((filterSize - 2) << 16)) / (1 << 17);
int j;