From c31a25e79c1fa034a1a528d93796e2fc98a6adda Mon Sep 17 00:00:00 2001 From: Jason Garrett-Glaser Date: Tue, 22 Jun 2010 21:12:42 +0000 Subject: [PATCH] Use right-shift instead of division by two. Patch by Dark Shikari Originally committed as revision 23723 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/mpegvideo_common.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/libavcodec/mpegvideo_common.h b/libavcodec/mpegvideo_common.h index 73106664f9..24cfa78849 100644 --- a/libavcodec/mpegvideo_common.h +++ b/libavcodec/mpegvideo_common.h @@ -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;