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| author | Michael Niedermayer <michaelni@gmx.at> | 2008-12-19 02:28:51 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2008-12-19 02:28:51 +0000 |
| commit | a5b807a6c181090b65b06ddc714f74cc1605c5bd (patch) | |
| tree | 6a83ffe2618003835caae8801e56eee60f7d558d /libavcodec/h264.c | |
| parent | 1aea5d35e5e70d788526856c2683471ddb48e1fb (diff) | |
| download | ffmpeg-a5b807a6c181090b65b06ddc714f74cc1605c5bd.tar.gz | |
Replace /2 by >>1 in decode_cabac_mb_dqp()
3 cpu cycles speed up on pentium dual.
Originally committed as revision 16233 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/h264.c')
| -rw-r--r-- | libavcodec/h264.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c index 54c66a177a..4879e67b1d 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -4966,9 +4966,9 @@ static int decode_cabac_mb_dqp( H264Context *h) { } if( val&0x01 ) - return (val + 1)/2; + return (val + 1)>>1 ; else - return -(val + 1)/2; + return -((val + 1)>>1); } static int decode_cabac_p_mb_sub_type( H264Context *h ) { if( get_cabac( &h->cabac, &h->cabac_state[21] ) ) |