[FFmpeg-cvslog] mpeg12dec: reset first_field with picture_structure changes.

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Wed Dec 21 18:19:06 2011 +0100| [a40f6a5c698e314ab8c2770c1230ae0d0bd23a33] | committer: Michael Niedermayer

mpeg12dec: reset first_field with picture_structure changes.
Fixes Ticket809
Bug found by: Oana Stratulat

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a40f6a5c698e314ab8c2770c1230ae0d0bd23a33
---

 libavcodec/mpeg12.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/libavcodec/mpeg12.c b/libavcodec/mpeg12.c
index 73630b9..990b6d6 100644
--- a/libavcodec/mpeg12.c
+++ b/libavcodec/mpeg12.c
@@ -2033,6 +2033,7 @@ static int mpeg1_decode_sequence(AVCodecContext *avctx,
     s->progressive_sequence = 1;
     s->progressive_frame    = 1;
     s->picture_structure    = PICT_FRAME;
+    s->first_field          = 0;
     s->frame_pred_frame_dct = 1;
     s->chroma_format        = 1;
     s->codec_id             = s->avctx->codec_id = CODEC_ID_MPEG1VIDEO;
@@ -2092,6 +2093,7 @@ static int vcr2_init_sequence(AVCodecContext *avctx)
     s->progressive_sequence  = 1;
     s->progressive_frame     = 1;
     s->picture_structure     = PICT_FRAME;
+    s->first_field           = 0;
     s->frame_pred_frame_dct  = 1;
     s->chroma_format         = 1;
     s->codec_id              = s->avctx->codec_id = CODEC_ID_MPEG2VIDEO;