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Print errors instead of just ignoring contradictionary values in mpeg2 silently.

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Originally committed as revision 20656 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-11-29 14:31:40 +00:00
parent bd2837387c
commit aeaef4ed63
1 changed files with 10 additions and 2 deletions
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12
libavcodec/mpeg12.c
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@ -1545,10 +1545,18 @@ static void mpeg_decode_picture_coding_extension(Mpeg1Context *s1)
s->chroma_420_type = get_bits1(&s->gb);
s->progressive_frame = get_bits1(&s->gb);
if(s->progressive_sequence)
if(s->progressive_sequence && !s->progressive_frame){
s->progressive_frame= 1;
if(s->progressive_frame){
av_log(s->avctx, AV_LOG_ERROR, "interlaced frame in progressive sequence, ignoring\n");
}
if(s->picture_structure==0 || (s->progressive_frame && s->picture_structure!=PICT_FRAME)){
av_log(s->avctx, AV_LOG_ERROR, "picture_structure %d invalid, ignoring\n", s->picture_structure);
s->picture_structure= PICT_FRAME;
}
if(s->progressive_frame && !s->frame_pred_frame_dct){
av_log(s->avctx, AV_LOG_ERROR, "invalid frame_pred_frame_dct\n");
s->frame_pred_frame_dct= 1;
}