mirror of https://git.ffmpeg.org/ffmpeg.git
Fix h264_loop_filter_strength_mmx2() so it works with b frames.
Originally committed as revision 21327 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -850,6 +850,40 @@ static void h264_loop_filter_strength_mmx2( int16_t bS[2][4][4], uint8_t nnz[40]
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"m"(mv[l][b_idx+d_idx+2][0])
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);
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}
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if(bidir==1){
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__asm__ volatile("pxor %%mm3, %%mm3 \n\t":);
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for( l = bidir; l >= 0; l-- ) {
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__asm__ volatile(
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"movd %0, %%mm1 \n\t"
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"punpckldq %1, %%mm1 \n\t"
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"punpckldq %%mm1, %%mm2 \n\t"
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"pcmpeqb %%mm2, %%mm1 \n\t"
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"paddb %%mm6, %%mm1 \n\t"
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"punpckhbw %%mm7, %%mm1 \n\t" // ref[b] != ref[bn]
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"por %%mm1, %%mm3 \n\t"
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"movq %2, %%mm1 \n\t"
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"movq %3, %%mm2 \n\t"
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"psubw %4, %%mm1 \n\t"
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"psubw %5, %%mm2 \n\t"
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"packsswb %%mm2, %%mm1 \n\t"
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"paddb %%mm5, %%mm1 \n\t"
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"pminub %%mm4, %%mm1 \n\t"
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"pcmpeqb %%mm4, %%mm1 \n\t" // abs(mv[b] - mv[bn]) >= limit
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"por %%mm1, %%mm3 \n\t"
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::"m"(ref[l][b_idx]),
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"m"(ref[1-l][b_idx+d_idx]),
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"m"(mv[l][b_idx][0]),
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"m"(mv[l][b_idx+2][0]),
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"m"(mv[1-l][b_idx+d_idx][0]),
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"m"(mv[1-l][b_idx+d_idx+2][0])
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);
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}
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__asm__ volatile(
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"pcmpeqw %%mm7, %%mm3 \n\t"
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"psubusw %%mm3, %%mm0 \n\t"
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:);
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}
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}
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__asm__ volatile(
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"movd %0, %%mm1 \n\t"
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