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Override a few values read so as to ensure that things are not inconsistent.

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Originally committed as revision 20654 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-11-29 03:32:30 +00:00
parent d9b99556bf
commit 87f6806069
1 changed files with 7 additions and 0 deletions
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7
libavcodec/mpeg12.c
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@ -1545,6 +1545,13 @@ 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)
s->progressive_frame= 1;
if(s->progressive_frame){
s->picture_structure= PICT_FRAME;
s->frame_pred_frame_dct= 1;
}
if(s->picture_structure == PICT_FRAME){
s->first_field=0;
s->v_edge_pos= 16*s->mb_height;