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vc1: Fix pic_header_flag=0 (SA10143.vc1)

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Bug introduced in:
commit 4509be3d2f46a52ada8e2ecb476faed93e19abf3
Author: Michael Niedermayer <michaelni@gmx.at>
Date:   Tue Oct 11 11:56:42 2011 +0200

    vc1: reset interlaced variables, prevent another bunch of crashes.

    Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-11-26 21:59:56 +01:00
parent c1ae524e2b
commit 4fd5e7639b
1 changed files with 2 additions and 2 deletions
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4
libavcodec/vc1.c
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@ -825,10 +825,10 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb)
int scale, shift, i; /* for initializing LUT for intensity compensation */
v->numref=0;
v->fcm=0;
v->field_mode=0;
v->p_frame_skipped = 0;
if (v->second_field) {
if(v->fcm!=2 || v->field_mode!=1)
return -1;
v->s.pict_type = (v->fptype & 1) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
if (v->fptype & 4)
v->s.pict_type = (v->fptype & 1) ? AV_PICTURE_TYPE_BI : AV_PICTURE_TYPE_B;