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| author | Kostya Shishkov <kostya.shishkov@gmail.com> | 2006-09-09 11:32:36 +0000 |
|---|---|---|
| committer | Kostya Shishkov <kostya.shishkov@gmail.com> | 2006-09-09 11:32:36 +0000 |
| commit | 767516533df0f68fe2906990b6cf0d7d3061495d (patch) | |
| tree | 432e557f71a9be650506acad3c8f4c67e92fe1e9 /libavcodec/vc1.c | |
| parent | d429c9820875ec6d4e5f4c73af1a9d5123363b2f (diff) | |
| download | ffmpeg-767516533df0f68fe2906990b6cf0d7d3061495d.tar.gz | |
Support for BI-frames in Advanced Profile
Originally committed as revision 6211 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/vc1.c')
| -rw-r--r-- | libavcodec/vc1.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c index 5c6d5f6f87..79c1d2e62e 100644 --- a/libavcodec/vc1.c +++ b/libavcodec/vc1.c @@ -1326,7 +1326,7 @@ static int decode_entry_point(AVCodecContext *avctx, GetBitContext *gb) av_log(avctx, AV_LOG_DEBUG, "Entry point: %08X\n", show_bits_long(gb, 32)); get_bits1(gb); // broken link - get_bits1(gb); // closed entry + avctx->max_b_frames = 1 - get_bits1(gb); // 'closed entry' also signalize possible B-frames v->panscanflag = get_bits1(gb); get_bits1(gb); // refdist flag v->s.loop_filter = get_bits1(gb); @@ -1592,8 +1592,7 @@ static int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) break; case 3: v->s.pict_type = BI_TYPE; - return -1; -// break; + break; case 4: v->s.pict_type = P_TYPE; // skipped pic v->p_frame_skipped = 1; @@ -1636,6 +1635,7 @@ static int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) switch(v->s.pict_type) { case I_TYPE: + case BI_TYPE: status = bitplane_decoding(v->acpred_plane, &v->acpred_is_raw, v); if (status < 0) return -1; av_log(v->s.avctx, AV_LOG_DEBUG, "ACPRED plane encoding: " @@ -1756,6 +1756,11 @@ static int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) vop_dquant_decoding(v); } + v->bi_type = 0; + if(v->s.pict_type == BI_TYPE) { + v->s.pict_type = B_TYPE; + v->bi_type = 1; + } return 0; } |