diff options
| author | Gwenole Beauchesne <gbeauchesne@splitted-desktop.com> | 2009-01-30 17:15:08 +0000 |
|---|---|---|
| committer | Kostya Shishkov <kostya.shishkov@gmail.com> | 2009-01-30 17:15:08 +0000 |
| commit | f92a6c66ed2dfb4c421934984b1869b21cb961dc (patch) | |
| tree | 1d199362fa9462d33d901bd686d435ede24c106d | |
| parent | 3021a8a70b44096aef84cc4656ff804028c57973 (diff) | |
| download | ffmpeg-f92a6c66ed2dfb4c421934984b1869b21cb961dc.tar.gz | |
Record B-fraction index from frame header and two fields from entry point structure
into VC-1 context.
Patch by Gwenole Beauchesne
(gbeauchesne <whirlpool> splitted <dash> desktop <dit> com)
Thread [PATCH][VC-1] Record extra syntax elements for VA API support
Originally committed as revision 16859 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/vc1.c | 16 | ||||
| -rw-r--r-- | libavcodec/vc1.h | 3 |
2 files changed, 11 insertions, 8 deletions
diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c index c2ccf1171c..6977e3eeb9 100644 --- a/libavcodec/vc1.c +++ b/libavcodec/vc1.c @@ -1075,11 +1075,11 @@ static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb) static int decode_entry_point(AVCodecContext *avctx, GetBitContext *gb) { VC1Context *v = avctx->priv_data; - int i, blink, clentry; + int i; av_log(avctx, AV_LOG_DEBUG, "Entry point: %08X\n", show_bits_long(gb, 32)); - blink = get_bits1(gb); // broken link - clentry = get_bits1(gb); // closed entry + v->broken_link = get_bits1(gb); + v->closed_entry = get_bits1(gb); v->panscanflag = get_bits1(gb); v->refdist_flag = get_bits1(gb); v->s.loop_filter = get_bits1(gb); @@ -1115,7 +1115,7 @@ static int decode_entry_point(AVCodecContext *avctx, GetBitContext *gb) "BrokenLink=%i, ClosedEntry=%i, PanscanFlag=%i\n" "RefDist=%i, Postproc=%i, FastUVMC=%i, ExtMV=%i\n" "DQuant=%i, VSTransform=%i, Overlap=%i, Qmode=%i\n", - blink, clentry, v->panscanflag, v->refdist_flag, v->s.loop_filter, + v->broken_link, v->closed_entry, v->panscanflag, v->refdist_flag, v->s.loop_filter, v->fastuvmc, v->extended_mv, v->dquant, v->vstransform, v->overlap, v->quantizer_mode); return 0; @@ -1139,8 +1139,8 @@ static int vc1_parse_frame_header(VC1Context *v, GetBitContext* gb) v->bi_type = 0; if(v->s.pict_type == FF_B_TYPE) { - v->bfraction = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1); - v->bfraction = ff_vc1_bfraction_lut[v->bfraction]; + 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 = FF_BI_TYPE; } @@ -1381,8 +1381,8 @@ static int vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) v->uvsamp = get_bits1(gb); if(v->finterpflag) v->interpfrm = get_bits1(gb); if(v->s.pict_type == FF_B_TYPE) { - v->bfraction = get_vlc2(gb, ff_vc1_bfraction_vlc.table, VC1_BFRACTION_VLC_BITS, 1); - v->bfraction = ff_vc1_bfraction_lut[v->bfraction]; + 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 = FF_BI_TYPE; /* XXX: should not happen here */ } diff --git a/libavcodec/vc1.h b/libavcodec/vc1.h index 212842a06f..67cdc7ae64 100644 --- a/libavcodec/vc1.h +++ b/libavcodec/vc1.h @@ -307,6 +307,9 @@ typedef struct VC1Context{ int x8_type; uint32_t *cbp_base, *cbp; + uint8_t bfraction_lut_index;///< Index for BFRACTION value (see Table 40, reproduced into ff_vc1_bfraction_lut[]) + uint8_t broken_link; ///< Broken link flag (BROKEN_LINK syntax element) + uint8_t closed_entry; ///< Closed entry point flag (CLOSED_ENTRY syntax element) } VC1Context; #endif /* AVCODEC_VC1_H */ |