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Use right-shift instead of division by two. 

Patch by Dark Shikari

Originally committed as revision 23723 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Jason Garrett-Glaser 2010-06-22 21:12:42 +00:00 committed by Carl Eugen Hoyos
parent 2b6a950361
commit c31a25e79c
1 changed files with 4 additions and 4 deletions
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8
libavcodec/mpegvideo_common.h
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@ -580,11 +580,11 @@ static inline void chroma_4mv_motion(MpegEncContext *s,
src_x = s->mb_x * 8 + mx;
src_y = s->mb_y * 8 + my;
src_x = av_clip(src_x, -8, s->width/2);
if (src_x == s->width/2)
src_x = av_clip(src_x, -8, (s->width >> 1));
if (src_x == (s->width >> 1))
dxy &= ~1;
src_y = av_clip(src_y, -8, s->height/2);
if (src_y == s->height/2)
src_y = av_clip(src_y, -8, (s->height >> 1));
if (src_y == (s->height >> 1))
dxy &= ~2;
offset = (src_y * (s->uvlinesize)) + src_x;