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| author | Michael Niedermayer <michaelni@gmx.at> | 2011-04-27 19:54:32 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-04-27 20:08:37 +0200 |
| commit | 52a81cd0e413eb54f8d96a79d84f588fe01cc0cc (patch) | |
| tree | 6beaa94bc0a88fed79c09349a8fb8f3267807a55 | |
| parent | afd2371d5c53e197128719196e7586d653ce931b (diff) | |
| download | ffmpeg-52a81cd0e413eb54f8d96a79d84f588fe01cc0cc.tar.gz | |
Fix add_paeth_prediction_mmx for rgb48
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/x86/png_mmx.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libavcodec/x86/png_mmx.c b/libavcodec/x86/png_mmx.c index 6e4c06cced..3b284122ff 100644 --- a/libavcodec/x86/png_mmx.c +++ b/libavcodec/x86/png_mmx.c @@ -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"\ |