From: Michael Niedermayer <[email protected]> Fixes an issue where the B-frame coding mode switches from interlaced fields to interlaced frames, causing incorrect decisions in the motion compensation code and resulting in visual artifacts.
CC: [email protected] Signed-off-by: Tim Walker <[email protected]> --- libavcodec/vc1.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c index acefce6..a7f2aab 100644 --- a/libavcodec/vc1.c +++ b/libavcodec/vc1.c @@ -842,6 +842,7 @@ int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) int mbmodetab, imvtab, icbptab, twomvbptab, fourmvbptab; /* useful only for debugging */ int field_mode, fcm; + v->numref = 0; v->p_frame_skipped = 0; if (v->second_field) { v->s.pict_type = (v->fptype & 1) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I; @@ -1011,8 +1012,6 @@ int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) v->reffield = get_bits1(gb); v->ref_field_type[0] = v->reffield ^ !v->cur_field_type; } - } else { - v->numref = 0; } if (v->extended_mv) v->mvrange = get_unary(gb, 0, 3); -- 1.8.3.4 (Apple Git-47) _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
