generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Optimize suffix_length computation, 1 cpu cycle speedup.

Browse Source 
Originally committed as revision 21431 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2010-01-24 18:23:46 +00:00
parent eeb1e92feb
commit 7abc860323
1 changed files with 1 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
libavcodec/h264_cavlc.c
View File

@@ -470,9 +470,7 @@ static int decode_residual(H264Context *h, GetBitContext *gb, DCTELEM *block, in
level_code= (((2+level_code)>>1) ^ mask) - mask; level_code= (((2+level_code)>>1) ^ mask) - mask;
} }
level[i]= level_code; 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++;
} }
} }