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Code Issues Releases Activity

Fix add_paeth_prediction_mmx for rgb48

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-04-27 19:54:32 +02:00
parent afd2371d5c
commit 52a81cd0e4
1 changed files with 5 additions and 2 deletions
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7
libavcodec/x86/png_mmx.c
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@ -55,8 +55,11 @@ static void add_bytes_l2_mmx(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w)
#define PAETH(cpu, abs3)\
static void add_paeth_prediction_##cpu(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp)\
{\
x86_reg i = -bpp;\
x86_reg end = w-3;\
x86_reg i, end;\
if(bpp>4) add_paeth_prediction_##cpu(dst+bpp/2, src+bpp/2, top+bpp/2, w-bpp/2, -bpp);\
if(bpp<0) bpp=-bpp;\
i= -bpp;\
end = w-3;\
__asm__ volatile(\
"pxor %%mm7, %%mm7 \n"\
"movd (%1,%0), %%mm0 \n"\