Restructure if() in check_mv()

quite a bit faster

Originally committed as revision 21504 to svn://svn.ffmpeg.org/ffmpeg/trunk
release/0.6
Michael Niedermayer 15 years ago
parent ca7c784fdf
commit fabd704b37
  1. 7
      libavcodec/h264_loopfilter.c

@ -430,12 +430,14 @@ static int check_mv(H264Context *h, long b_idx, long bn_idx, int mvy_limit){
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;
if(h->list_count==2 && !v)
if(h->list_count==2){
if(!v)
v = h->ref_cache[1][b_idx] != h->ref_cache[1][bn_idx] |
h->mv_cache[1][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |
FFABS( h->mv_cache[1][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit;
if(h->list_count==2 && v){
if(v){
if(h->ref_cache[0][b_idx] != h->ref_cache[1][bn_idx] |
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)
@ -446,6 +448,7 @@ static int check_mv(H264Context *h, long b_idx, long bn_idx, int mvy_limit){
return 1;
return 0;
}
}
return v;
}

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