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Split first reference list comparission from mv comparission.

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about 0.5% faster MBAFF loop filtering

Originally committed as revision 21552 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2010-01-30 20:07:37 +00:00
parent 3d05c1fbec
commit 2646814897
1 changed files with 4 additions and 3 deletions
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7
libavcodec/h264_loopfilter.c
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@@ -418,9 +418,10 @@ void ff_h264_filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y,
static int check_mv(H264Context *h, long b_idx, long bn_idx, int mvy_limit){
int v;
v = h->ref_cache[0][b_idx] != h->ref_cache[0][bn_idx] |
h->mv_cache[0][b_idx][0] - h->mv_cache[0][bn_idx][0] + 3 >= 7U |
FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit;
v= h->ref_cache[0][b_idx] != h->ref_cache[0][bn_idx];
if(!v && h->ref_cache[0][b_idx]!=-1)
v= h->mv_cache[0][b_idx][0] - h->mv_cache[0][bn_idx][0] + 3 >= 7U |
FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit;
if(h->list_count==2){
if(!v)