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| author | Michael Niedermayer <michaelni@gmx.at> | 2010-01-30 13:40:20 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2010-01-30 13:40:20 +0000 |
| commit | 77821e11b37be42d9c10a17fb79e8e26c181b7f0 (patch) | |
| tree | 4f55ddfca38b719afd0ab58bb43e510c4a238af6 | |
| parent | 7dac0c4379984568bc471f5e68eb3941e9dbc93f (diff) | |
| download | ffmpeg-77821e11b37be42d9c10a17fb79e8e26c181b7f0.tar.gz | |
Replace ?: by branchless code.
about 0.5% faster loop filtering
Originally committed as revision 21539 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/h264_loopfilter.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/libavcodec/h264_loopfilter.c b/libavcodec/h264_loopfilter.c index 74a85095dc..5a13d14b14 100644 --- a/libavcodec/h264_loopfilter.c +++ b/libavcodec/h264_loopfilter.c @@ -374,13 +374,10 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, edges = 4; bSv[0][0] = bSv[0][2] = bSv[1][0] = bSv[1][2] = 0x0002000200020002ULL; } else { - int mask_edge1 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 : - (mb_type & MB_TYPE_16x8) ? 1 : 0; - int mask_edge0 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) - && (h->left_type[0] & (MB_TYPE_16x16 | MB_TYPE_8x16)) - ? 3 : 0; - int step = IS_8x8DCT(mb_type) ? 2 : 1; - edges = (mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4; + int mask_edge1 = (3*!!(mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16))) | (mb_type>>4); //(mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 : (mb_type & MB_TYPE_16x8) ? 1 : 0; + int mask_edge0 = 3*((mask_edge1>>1) & !!(h->left_type[0] & (MB_TYPE_16x16 | MB_TYPE_8x16))); // (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) && (h->left_type[0] & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 : 0; + int step = 1+(mb_type>>24); //IS_8x8DCT(mb_type) ? 2 : 1; + edges = 4 - 3*((mb_type>>3) & !(h->cbp & 15)); //(mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4; s->dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache, h->list_count==2, edges, step, mask_edge0, mask_edge1, FIELD_PICTURE); } |