Optimize suffix_length computation, 1 cpu cycle speedup.

Originally committed as revision 21431 to svn://svn.ffmpeg.org/ffmpeg/trunk
15 years ago · 7abc860323
parent eeb1e92feb
commit 7abc860323
1 changed files with 1 additions and 3 deletions
--- a/libavcodec/h264_cavlc.c
+++ b/libavcodec/h264_cavlc.c
@ -470,9 +470,7 @@ static int decode_residual(H264Context *h, GetBitContext *gb, DCTELEM *block, in
                level_code= (((2+level_code)>>1) ^ mask) - mask;
            }
            level[i]= level_code;
-
+            suffix_length+= suffix_limit[suffix_length] + level_code > 2U*suffix_limit[suffix_length];
            if(suffix_limit[suffix_length] + level_code > 2U*suffix_limit[suffix_length])
                suffix_length++;
        }
    }