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Drop non key frames before the first key frame.

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Originally committed as revision 11411 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-01-05 01:14:09 +00:00
parent 977cbe79d8
commit 9bd005bdbc
1 changed files with 3 additions and 1 deletions
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4
libavcodec/mpeg12.c
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@ -2329,8 +2329,10 @@ static int mpeg_decode_frame(AVCodecContext *avctx,
if(s2->last_picture_ptr==NULL){
/* Skip B-frames if we do not have reference frames. */
if(s2->pict_type==B_TYPE) break;
}
if(s2->next_picture_ptr==NULL){
/* Skip P-frames if we do not have reference frame no valid header. */
// if(s2->pict_type==P_TYPE && s2->first_field && !s2->first_slice) break;
if(s2->pict_type==P_TYPE && (s2->first_field || s2->picture_structure==PICT_FRAME)) break;
}
/* Skip B-frames if we are in a hurry. */
if(avctx->hurry_up && s2->pict_type==B_TYPE) break;