Restructure check_mv()

~20 cpu cycles faster loopfilter Originally committed as revision 21505 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago · 2cf0d46d4c
parent fabd704b37
commit 2cf0d46d4c
1 changed files with 5 additions and 6 deletions
--- a/libavcodec/h264_loopfilter.c
+++ b/libavcodec/h264_loopfilter.c
@ -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->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)
+           h->ref_cache[1][b_idx] != h->ref_cache[0][bn_idx])
            return 1;
-        if(h->ref_cache[1][b_idx] != h->ref_cache[0][bn_idx] |
+        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 |
           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;
    }
    }