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Optimize suffix_length computation, 1 cpu cycle speedup.

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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
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4
libavcodec/h264_cavlc.c
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@@ -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;
if(suffix_limit[suffix_length] + level_code > 2U*suffix_limit[suffix_length])
suffix_length++;
suffix_length+= suffix_limit[suffix_length] + level_code > 2U*suffix_limit[suffix_length];
}
}