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fixing files where the first frame isn a keyframe

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Originally committed as revision 1309 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2002-12-04 22:16:24 +00:00
parent 140cb66321
commit aa388dba30
1 changed files with 11 additions and 5 deletions
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16
libavcodec/mpegvideo.c
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@ -801,8 +801,8 @@ int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
}
}
}
if(!s->encoding){
alloc:
if(!s->encoding){
/* find unused Picture */
for(i=0; i<MAX_PICTURE_COUNT; i++){
if(s->picture[i].data[0]==NULL) break;
@ -829,14 +829,20 @@ int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
s->current_picture= s->picture[i];
}
s->hurry_up= s->avctx->hurry_up;
s->error_resilience= avctx->error_resilience;
if (s->pict_type != B_TYPE) {
s->last_picture= s->next_picture;
s->next_picture= s->current_picture;
}
if(s->pict_type != I_TYPE && s->last_picture.data[0]==NULL){
fprintf(stderr, "warning: first frame is no keyframe\n");
assert(s->pict_type != B_TYPE); //these should have been dropped if we dont have a reference
goto alloc;
}
s->hurry_up= s->avctx->hurry_up;
s->error_resilience= avctx->error_resilience;
/* set dequantizer, we cant do it during init as it might change for mpeg4
and we cant do it in the header decode as init isnt called for mpeg4 there yet */
if(s->out_format == FMT_H263){