[FFmpeg-cvslog] H264: fix prefetch

Michael Niedermayer git at videolan.org
Sun Apr 10 22:42:37 CEST 2011


ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Apr 10 16:12:18 2011 +0200| [436c4523ed447b88759900b3e6647c5b9d03a63b] | committer: Michael Niedermayer

H264: fix prefetch
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=436c4523ed447b88759900b3e6647c5b9d03a63b
---

 libavcodec/h264.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index ccde0cb..eee8c4b 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -639,7 +639,7 @@ static inline void prefetch_motion(H264Context *h, int list){
         uint8_t **src= h->ref_list[list][refn].data;
         int off= mx*h->pixel_size + (my + (s->mb_x&3)*4)*h->mb_linesize + 64*h->pixel_size;
         s->dsp.prefetch(src[0]+off, s->linesize, 4);
-        off= (mx>>1)*h->pixel_size + ((my>>1)*h->pixel_size + (s->mb_x&7))*s->uvlinesize + 64*h->pixel_size;
+        off= (mx>>1)*h->pixel_size + ((my>>1) + (s->mb_x&7))*s->uvlinesize + 64*h->pixel_size;
         s->dsp.prefetch(src[1]+off, src[2]-src[1], 2);
     }
 }



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