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libswscale/x86/swscale: Only call ff_yuv2yuvX functions if the input size is > 0 

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Alan Kelly 2021-04-01 12:00:16 +02:00 committed by Michael Niedermayer
parent e1484bc455
commit dc57762cb4
1 changed files with 4 additions and 2 deletions
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6
libswscale/x86/swscale.c
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@ -197,7 +197,8 @@ static void yuv2yuvX_ ##opt(const int16_t *filter, int filterSize, \
const int16_t **src, uint8_t *dest, int dstW, \
const uint8_t *dither, int offset) \
{ \
ff_yuv2yuvX_ ##opt(filter, filterSize - 1, 0, dest - offset, dstW + offset, dither, offset); \
if(dstW > 0) \
ff_yuv2yuvX_ ##opt(filter, filterSize - 1, 0, dest - offset, dstW + offset, dither, offset); \
return; \
}
@ -215,7 +216,8 @@ static void yuv2yuvX_ ##opt(const int16_t *filter, int filterSize, \
yuv2yuvX_mmx(filter, filterSize, src, dest, dstW, dither, offset); \
return; \
} \
ff_yuv2yuvX_ ##opt(filter, filterSize - 1, 0, dest - offset, pixelsProcessed + offset, dither, offset); \
if(pixelsProcessed > 0) \
ff_yuv2yuvX_ ##opt(filter, filterSize - 1, 0, dest - offset, pixelsProcessed + offset, dither, offset); \
if(remainder > 0){ \
ff_yuv2yuvX_mmx(filter, filterSize - 1, pixelsProcessed, dest - offset, pixelsProcessed + remainder + offset, dither, offset); \
} \