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Restructure check_mv() 

~20 cpu cycles faster loopfilter

Originally committed as revision 21505 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-01-28 11:12:46 +00:00
parent fabd704b37
commit 2cf0d46d4c
1 changed files with 5 additions and 6 deletions
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11
libavcodec/h264_loopfilter.c
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@ -439,14 +439,13 @@ static int check_mv(H264Context *h, long b_idx, long bn_idx, int mvy_limit){
if(v){
if(h->ref_cache[0][b_idx] != h->ref_cache[1][bn_idx] |
h->ref_cache[1][b_idx] != h->ref_cache[0][bn_idx])
return 1;
return
h->mv_cache[0][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |
FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit)
return 1;
if(h->ref_cache[1][b_idx] != h->ref_cache[0][bn_idx] |
FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit |
h->mv_cache[1][b_idx][0] - h->mv_cache[0][bn_idx][0] + 3 >= 7U |
FFABS( h->mv_cache[1][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit)
return 1;
return 0;
FFABS( h->mv_cache[1][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit;
}
}