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Code Issues Releases Activity

Allocate 1 line more in the chroma plane for H.264, this avoids some

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out of array reads with mmx/sse2 code.
Fixes issue327.

Originally committed as revision 15467 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-09-30 01:45:53 +00:00
parent 503bc4026d
commit ae4ffe9f64
1 changed files with 2 additions and 0 deletions
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libavcodec/utils.c
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@ -170,6 +170,8 @@ void avcodec_align_dimensions(AVCodecContext *s, int *width, int *height){
*width = ALIGN(*width , w_align);
*height= ALIGN(*height, h_align);
if(s->codec_id == CODEC_ID_H264)
*height+=2; // some of the optimized chroma MC reads one line too much
}
int avcodec_check_dimensions(void *av_log_ctx, unsigned int w, unsigned int h){