diff options
Diffstat (limited to 'libavcodec/vc1.c')
| -rw-r--r-- | libavcodec/vc1.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c index d728f9beb4..0a70062893 100644 --- a/libavcodec/vc1.c +++ b/libavcodec/vc1.c @@ -911,13 +911,15 @@ int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) } goto parse_common_info; } - if (v->finterpflag) - v->interpfrm = get_bits1(gb); - if (v->s.pict_type == AV_PICTURE_TYPE_B) { - v->bfraction_lut_index = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1); - v->bfraction = ff_vc1_bfraction_lut[v->bfraction_lut_index]; - if (v->bfraction == 0) { - v->s.pict_type = AV_PICTURE_TYPE_BI; /* XXX: should not happen here */ + if (v->fcm == PROGRESSIVE) { + if (v->finterpflag) + v->interpfrm = get_bits1(gb); + if (v->s.pict_type == AV_PICTURE_TYPE_B) { + v->bfraction_lut_index = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1); + v->bfraction = ff_vc1_bfraction_lut[v->bfraction_lut_index]; + if (v->bfraction == 0) { + v->s.pict_type = AV_PICTURE_TYPE_BI; /* XXX: should not happen here */ + } } } |