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Code Issues Releases Activity

Make sure the EC code does not attempt to use inter based concealment if there

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is no reference frame available. (this can happen because the EC code will attempt
to use reference frames even for I/IDR frames)

Originally committed as revision 22732 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-03-30 20:46:46 +00:00
parent aa1de0d9ed
commit c28112fab6
1 changed files with 6 additions and 0 deletions
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6
libavcodec/error_resilience.c
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@ -629,6 +629,12 @@ static int is_intra_more_likely(MpegEncContext *s){
undamaged_count++;
}
if(s->codec_id == CODEC_ID_H264){
H264Context *h= (void*)s;
if(h->ref_count[0] <= 0 || !h->ref_list[0][0].data[0])
return 1;
}
if(undamaged_count < 5) return 0; //almost all MBs damaged -> use temporal prediction
//prevent dsp.sad() check, that requires access to the image