mirror of https://git.ffmpeg.org/ffmpeg.git
Restructure if() in check_mv()
quite a bit faster Originally committed as revision 21504 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -430,12 +430,14 @@ static int check_mv(H264Context *h, long b_idx, long bn_idx, int mvy_limit){
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v = h->ref_cache[0][b_idx] != h->ref_cache[0][bn_idx] |
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v = h->ref_cache[0][b_idx] != h->ref_cache[0][bn_idx] |
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h->mv_cache[0][b_idx][0] - h->mv_cache[0][bn_idx][0] + 3 >= 7U |
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h->mv_cache[0][b_idx][0] - h->mv_cache[0][bn_idx][0] + 3 >= 7U |
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FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit;
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FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[0][bn_idx][1] ) >= mvy_limit;
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if(h->list_count==2 && !v)
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if(h->list_count==2){
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if(!v)
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v = h->ref_cache[1][b_idx] != h->ref_cache[1][bn_idx] |
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v = h->ref_cache[1][b_idx] != h->ref_cache[1][bn_idx] |
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h->mv_cache[1][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |
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h->mv_cache[1][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |
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FFABS( h->mv_cache[1][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit;
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FFABS( h->mv_cache[1][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit;
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if(h->list_count==2 && v){
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if(v){
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if(h->ref_cache[0][b_idx] != h->ref_cache[1][bn_idx] |
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if(h->ref_cache[0][b_idx] != h->ref_cache[1][bn_idx] |
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h->mv_cache[0][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |
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h->mv_cache[0][b_idx][0] - h->mv_cache[1][bn_idx][0] + 3 >= 7U |
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FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit)
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FFABS( h->mv_cache[0][b_idx][1] - h->mv_cache[1][bn_idx][1] ) >= mvy_limit)
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@ -446,6 +448,7 @@ static int check_mv(H264Context *h, long b_idx, long bn_idx, int mvy_limit){
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return 1;
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return 1;
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return 0;
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return 0;
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}
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}
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}
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return v;
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return v;
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}
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}
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