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set v_edge_pos correctly for field picture mpeg2
author
Michael Niedermayer
<michaelni@gmx.at>
Tue, 24 Oct 2006 07:33:39 +0000
(07:33 +0000)
committer
Michael Niedermayer
<michaelni@gmx.at>
Tue, 24 Oct 2006 07:33:39 +0000
(07:33 +0000)
Originally committed as revision 6782 to svn://svn.ffmpeg.org/ffmpeg/trunk
libavcodec/mpeg12.c
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diff --git
a/libavcodec/mpeg12.c
b/libavcodec/mpeg12.c
index
5095bfb
..
99732ac
100644
(file)
--- a/
libavcodec/mpeg12.c
+++ b/
libavcodec/mpeg12.c
@@
-2390,10
+2390,12
@@
static void mpeg_decode_picture_coding_extension(MpegEncContext *s)
s->chroma_420_type = get_bits1(&s->gb);
s->progressive_frame = get_bits1(&s->gb);
- if(s->picture_structure == PICT_FRAME)
+ if(s->picture_structure == PICT_FRAME)
{
s->first_field=0;
- else{
+ s->v_edge_pos= 16*s->mb_height;
+ }else{
s->first_field ^= 1;
+ s->v_edge_pos= 8*s->mb_height;
memset(s->mbskip_table, 0, s->mb_stride*s->mb_height);
}