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avoid 2 additions (1 cpu cycle) per MB 

Originally committed as revision 9843 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-07-31 20:52:49 +00:00
parent 5bfbf0a54f
commit 7ceab4af35
1 changed files with 2 additions and 2 deletions
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4
libavcodec/mpeg12.c
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@ -1776,8 +1776,8 @@ static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y,
}
s->dest[0] += 16 >> lowres;
s->dest[1] += 16 >> (s->chroma_x_shift + lowres);
s->dest[2] += 16 >> (s->chroma_x_shift + lowres);
s->dest[1] +=(16 >> lowres) >> s->chroma_x_shift;
s->dest[2] +=(16 >> lowres) >> s->chroma_x_shift;
MPV_decode_mb(s, s->block);