1775 lines
56 KiB
C
1775 lines
56 KiB
C
/*
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* VC-9 and WMV3 decoder
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* Copyright (c) 2005 Anonymous
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* Copyright (c) 2005 Alex Beregszaszi
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/**
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* @file vc9.c
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* VC-9 and WMV3 decoder
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*
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* TODO: Norm-6 bitplane imode, most AP stuff, optimize, all of MB layer :)
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* TODO: use MPV_ !!
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*/
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#include "common.h"
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#include "dsputil.h"
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#include "avcodec.h"
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#include "mpegvideo.h"
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#include "vc9data.h"
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/* Some inhibiting stuff */
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#define HAS_ADVANCED_PROFILE 1
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#define TRACE 1
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#if TRACE
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# define INIT_VLC(vlc, nb_bits, nb_codes, bits, bits_wrap, bits_size, \
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codes, codes_wrap, codes_size, use_static) \
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if (init_vlc(vlc, nb_bits, nb_codes, bits, bits_wrap, bits_size, \
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codes, codes_wrap, codes_size, use_static) < 0) \
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{ \
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av_log(v->avctx, AV_LOG_ERROR, "Error for " # vlc " (%i)\n", i); \
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return -1; \
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}
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#else
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# define INIT_VLC(vlc, nb_bits, nb_codes, bits, bits_wrap, bits_size, \
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codes, codes_wrap, codes_size, use_static) \
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init_vlc(vlc, nb_bits, nb_codes, bits, bits_wrap, bits_size, \
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codes, codes_wrap, codes_size, use_static)
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#endif
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#define PROFILE_SIMPLE 0
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#define PROFILE_MAIN 1
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#define PROFILE_ADVANCED 3
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#define QUANT_FRAME_IMPLICIT 0
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#define QUANT_FRAME_EXPLICIT 1
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#define QUANT_NON_UNIFORM 2
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#define QUANT_UNIFORM 3
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/* Where quant can be changed */
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#define DQPROFILE_FOUR_EDGES 0
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#define DQPROFILE_DOUBLE_EDGES 1
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#define DQPROFILE_SINGLE_EDGE 2
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#define DQPROFILE_ALL_MBS 3
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/* Which edge is quantized with ALTPQUANT */
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#define DQSINGLE_BEDGE_LEFT 0
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#define DQSINGLE_BEDGE_TOP 1
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#define DQSINGLE_BEDGE_RIGHT 2
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#define DQSINGLE_BEDGE_BOTTOM 3
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/* Which pair of edges is quantized with ALTPQUANT */
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#define DQDOUBLE_BEDGE_TOPLEFT 0
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#define DQDOUBLE_BEDGE_TOPRIGHT 1
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#define DQDOUBLE_BEDGE_BOTTOMRIGHT 2
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#define DQDOUBLE_BEDGE_BOTTOMLEFT 3
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/* Start Codes */
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#define SEQ_SC 0x00000010F /* Sequence Start Code */
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#define SEQ_EC 0x00000000A /* Sequence End code */
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#define SEQ_HDR /* Sequence Header */
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#define ENTRY_SC 0x00000010E /* Entry Point Start Code */
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#define ENTRY_HDR /* Entry Point Header */
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#define FRM_SC 0x00000010D /* Frame Start Code */
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#define FRM_DAT /* Frame Data (includes a Frame Header) */
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#define FLD_SC 0x00000010C /* Field Start Code */
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#define FLD1_DAT /* Field 1 Data (includes a Frame Header) */
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#define FLD2_DAT /* Field 2 Data (includes a Field Header) */
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#define SLC_SC 0x00000010B /* Slice Start Code */
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#define SLC_HDR /* Slice Header */
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#define SLC_DAT /* Slice Data (FrH or FiH possible) */
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/* MV P modes */
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#define MV_PMODE_1MV_HPEL_BILIN 0
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#define MV_PMODE_1MV 1
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#define MV_PMODE_1MV_HPEL 2
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#define MV_PMODE_MIXED_MV 3
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#define MV_PMODE_INTENSITY_COMP 4
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/* MV P mode - the 5th element is only used for mode 1 */
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static const uint8_t mv_pmode_table[2][5] = {
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{ MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_MIXED_MV, MV_PMODE_INTENSITY_COMP },
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{ MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_INTENSITY_COMP }
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};
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/* One more frame type */
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#define BI_TYPE 7
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/* FIXME Worse than ugly */
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static const int fps_nr[5] = { 24, 25, 30, 50, 60 },
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fps_dr[2] = { 1000, 1001 };
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static const uint8_t pquant_table[3][32] = {
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{ /* Implicit quantizer */
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0, 1, 2, 3, 4, 5, 6, 7, 8, 6, 7, 8, 9, 10, 11, 12,
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13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 29, 31
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},
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{ /* Explicit quantizer, pquantizer uniform */
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
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16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
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},
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{ /* Explicit quantizer, pquantizer non-uniform */
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0, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13,
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14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 29, 31
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}
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};
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// FIXME move this into the context
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#define VC9_BFRACTION_VLC_BITS 7
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static VLC vc9_bfraction_vlc;
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#define VC9_IMODE_VLC_BITS 4
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static VLC vc9_imode_vlc;
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#define VC9_NORM2_VLC_BITS 3
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static VLC vc9_norm2_vlc;
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#define VC9_NORM6_VLC_BITS 9
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static VLC vc9_norm6_vlc;
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/* Could be optimized, one table only needs 8 bits */
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#define VC9_TTMB_VLC_BITS 12
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static VLC vc9_ttmb_vlc[3];
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#define VC9_MV_DIFF_VLC_BITS 15
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static VLC vc9_mv_diff_vlc[4];
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#define VC9_CBPCY_I_VLC_BITS 13
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static VLC vc9_cbpcy_i_vlc;
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#define VC9_CBPCY_P_VLC_BITS 14
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static VLC vc9_cbpcy_p_vlc[4];
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#define VC9_4MV_BLOCK_PATTERN_VLC_BITS 6
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static VLC vc9_4mv_block_pattern_vlc[4];
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#define VC9_LUMA_DC_VLC_BITS 9
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static VLC vc9_luma_dc_vlc[2];
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typedef struct VC9Context{
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/* No MpegEnc context, might be good to use it */
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GetBitContext gb;
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AVCodecContext *avctx;
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/***************************/
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/* Sequence Header */
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/***************************/
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/* Simple/Main Profile */
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int res_sm; //reserved, 2b
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int res_x8; //reserved
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int multires; //frame-level RESPIC syntax element present
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int res_fasttx; //always 1
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int res_transtab; //always 0
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int syncmarker; //Sync markers presents
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int rangered; //RANGEREDFRM (range reduction) syntax element present
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int res_rtm_flag; //reserved, set to 1
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int reserved; //duh
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#if HAS_ADVANCED_PROFILE
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/* Advanced Profile */
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int level; //3
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int chromaformat; //2
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int postprocflag; //frame-based processing use
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int broadcast; //TFF/RFF present
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int interlace; //Progressive/interlaced (RPTFTM syntax element)
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int tfcntrflag; //TFCNTR present
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int panscanflag; //NUMPANSCANWIN, TOPLEFT{X,Y}, BOTRIGHT{X,Y} presents
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int extended_dmv;
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int color_prim; //8
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int transfer_char; //8
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int matrix_coef; //8
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int hrd_param_flag;
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#endif
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/* All Profiles */
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/* TODO: move all int to flags */
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int profile; //2
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int frmrtq_postproc; //3
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int bitrtq_postproc; //5
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int loopfilter;
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int fastuvmc; //Rounding of qpel vector to hpel ? (not in Simple)
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int extended_mv; //Ext MV in P/B (not in Simple)
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int dquant; //Q varies with MBs, 2bits (not in Simple)
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int vstransform; //variable-size transform46
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int overlap; //overlapped transforms in use
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int quantizer_mode; //2, quantizer mode used for sequence, see QUANT_*
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int finterpflag; //INTERPFRM present
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/*****************************/
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/* Frame decoding */
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/*****************************/
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/* All profiles */
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uint8_t mv_mode, mv_mode2; /* MV coding mode */
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uint8_t pict_type; /* Picture type, mapped on MPEG types */
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uint8_t pq, altpq; /* Quantizers */
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uint8_t dquantfrm, dqprofile, dqsbedge, dqbilevel; /* pquant parameters */
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int width_mb, height_mb;
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int tile; /* 3x2 if (width_mb%3) else 2x3 */
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int transacfrm2, transacfrm, transacdctab; //1bit elements
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uint8_t ttmbf, ttfrm; /* Transform type */
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uint8_t lumscale, lumshift; /* Luma compensation parameters */
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int16_t bfraction; /* Relative position % anchors=> how to scale MVs */
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uint8_t halfpq; /* Uniform quant over image and qp+.5 */
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uint8_t respic;
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/* Ranges:
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* 0 -> [-64n 63.f] x [-32, 31.f]
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* 1 -> [-128, 127.f] x [-64, 63.f]
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* 2 -> [-512, 511.f] x [-128, 127.f]
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* 3 -> [-1024, 1023.f] x [-256, 255.f]
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*/
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uint8_t mvrange;
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uint8_t pquantizer;
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VLC *cbpcy_vlc /* Current CBPCY VLC table */,
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*mv_diff_vlc /* Current MV Diff VLC table */,
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*ttmb_vlc /* Current MB Transform Type VLC table */;
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uint8_t *mv_type_mb_plane; /* bitplane for mv_type == "raw" */
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uint8_t *skip_mb_plane, /* bitplane for skipped MBs */
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*direct_mb_plane; /* bitplane for "direct" MBs */
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/* S/M only ? */
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uint8_t rangeredfrm, interpfrm;
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#if HAS_ADVANCED_PROFILE
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/* Advanced */
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uint8_t fcm; //0->Progressive, 2->Frame-Interlace, 3->Field-Interlace
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uint8_t numpanscanwin;
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uint8_t tfcntr;
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uint8_t rptfrm, tff, rff;
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uint8_t topleftx;
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uint8_t toplefty;
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uint8_t bottomrightx;
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uint8_t bottomrighty;
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uint8_t rndctrl;
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uint8_t uvsamp;
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uint8_t postproc;
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int hrd_num_leaky_buckets;
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uint8_t bit_rate_exponent;
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uint8_t buffer_size_exponent;
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uint8_t *ac_pred_plane;
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uint8_t *over_flags_plane;
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uint16_t *hrd_rate, *hrd_buffer;
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#endif
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} VC9Context;
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/* FIXME Slow and ugly */
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static int get_prefix(GetBitContext *gb, int stop, int len)
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{
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int i = 0, tmp = !stop;
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while (i != len && tmp != stop)
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{
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tmp = get_bits(gb, 1);
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i++;
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}
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return i;
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}
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static int init_common(VC9Context *v)
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{
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static int done = 0;
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int i;
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v->mv_type_mb_plane = v->direct_mb_plane = v->skip_mb_plane = NULL;
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v->pq = -1;
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#if HAS_ADVANCED_PROFILE
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v->ac_pred_plane = v->over_flags_plane = NULL;
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v->hrd_rate = v->hrd_buffer = NULL;
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#endif
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#if 0 // spec -> actual tables converter
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for(i=0; i<64; i++){
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int code= (vc9_norm6_spec[i][1] << vc9_norm6_spec[i][4]) + vc9_norm6_spec[i][3];
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av_log(NULL, AV_LOG_DEBUG, "0x%03X, ", code);
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if(i%16==15) av_log(NULL, AV_LOG_DEBUG, "\n");
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}
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for(i=0; i<64; i++){
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int code= vc9_norm6_spec[i][2] + vc9_norm6_spec[i][4];
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av_log(NULL, AV_LOG_DEBUG, "%2d, ", code);
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if(i%16==15) av_log(NULL, AV_LOG_DEBUG, "\n");
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}
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#endif
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if(!done)
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{
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done = 1;
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INIT_VLC(&vc9_bfraction_vlc, VC9_BFRACTION_VLC_BITS, 23,
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vc9_bfraction_bits, 1, 1,
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vc9_bfraction_codes, 1, 1, 1);
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INIT_VLC(&vc9_norm2_vlc, VC9_NORM2_VLC_BITS, 4,
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vc9_norm2_bits, 1, 1,
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vc9_norm2_codes, 1, 1, 1);
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INIT_VLC(&vc9_norm6_vlc, VC9_NORM6_VLC_BITS, 64,
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vc9_norm6_bits, 1, 1,
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vc9_norm6_codes, 2, 2, 1);
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INIT_VLC(&vc9_cbpcy_i_vlc, VC9_CBPCY_I_VLC_BITS, 64,
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vc9_cbpcy_i_bits, 1, 1,
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vc9_cbpcy_i_codes, 2, 2, 1);
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INIT_VLC(&vc9_imode_vlc, VC9_IMODE_VLC_BITS, 7,
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vc9_imode_bits, 1, 1,
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vc9_imode_codes, 1, 1, 1);
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for(i=0; i<3; i++)
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{
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INIT_VLC(&vc9_4mv_block_pattern_vlc[i], VC9_4MV_BLOCK_PATTERN_VLC_BITS, 16,
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vc9_4mv_block_pattern_bits[i], 1, 1,
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vc9_4mv_block_pattern_codes[i], 1, 1, 1);
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INIT_VLC(&vc9_cbpcy_p_vlc[i], VC9_CBPCY_P_VLC_BITS, 64,
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vc9_cbpcy_p_bits[i], 1, 1,
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vc9_cbpcy_p_codes[i], 2, 2, 1);
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}
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for (i=0; i<2; i++)
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{
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INIT_VLC(&vc9_mv_diff_vlc[i], VC9_MV_DIFF_VLC_BITS, 73,
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vc9_mv_diff_bits[i], 1, 1,
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vc9_mv_diff_codes[i], 2, 2, 1);
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INIT_VLC(&vc9_luma_dc_vlc[i], VC9_LUMA_DC_VLC_BITS, 120,
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vc9_luma_dc_bits[i], 1, 1,
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vc9_luma_dc_codes[i], 4, 4, 1);
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INIT_VLC(&vc9_ttmb_vlc[i], VC9_TTMB_VLC_BITS, 16,
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vc9_ttmb_bits[i], 1, 1,
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vc9_ttmb_codes[i], 2, 2, 1);
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}
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}
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return 0;
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}
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#if HAS_ADVANCED_PROFILE
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static int decode_hrd(VC9Context *v, GetBitContext *gb)
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{
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int i, num;
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num = get_bits(gb, 5);
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if (v->hrd_rate || num != v->hrd_num_leaky_buckets)
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{
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av_freep(&v->hrd_rate);
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}
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if (!v->hrd_rate) v->hrd_rate = av_malloc(num);
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if (!v->hrd_rate) return -1;
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if (v->hrd_buffer || num != v->hrd_num_leaky_buckets)
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{
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av_freep(&v->hrd_buffer);
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}
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if (!v->hrd_buffer) v->hrd_buffer = av_malloc(num);
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if (!v->hrd_buffer) return -1;
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v->hrd_num_leaky_buckets = num;
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//exponent in base-2 for rate
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v->bit_rate_exponent = get_bits(gb, 4);
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//exponent in base-2 for buffer_size
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v->buffer_size_exponent = get_bits(gb, 4);
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for (i=0; i<num; i++)
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{
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//mantissae, ordered (if not, use a function ?
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v->hrd_rate[i] = get_bits(gb, 16);
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if (i && v->hrd_rate[i-1]>=v->hrd_rate[i])
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{
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av_log(v, AV_LOG_ERROR, "HDR Rates aren't strictly increasing:"
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"%i vs %i\n", v->hrd_rate[i-1], v->hrd_rate[i]);
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return -1;
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}
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v->hrd_buffer[i] = get_bits(gb, 16);
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if (i && v->hrd_buffer[i-1]<v->hrd_buffer[i])
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{
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av_log(v, AV_LOG_ERROR, "HDR Buffers aren't decreasing:"
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"%i vs %i\n", v->hrd_buffer[i-1], v->hrd_buffer[i]);
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return -1;
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}
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}
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return 0;
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}
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static int decode_advanced_sequence_header(AVCodecContext *avctx, GetBitContext *gb)
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{
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VC9Context *v = avctx->priv_data;
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int nr, dr, aspect_ratio;
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v->postprocflag = get_bits(gb, 1);
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v->broadcast = get_bits(gb, 1);
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v->interlace = get_bits(gb, 1);
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v->tfcntrflag = get_bits(gb, 1);
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v->finterpflag = get_bits(gb, 1); //common
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v->panscanflag = get_bits(gb, 1);
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v->reserved = get_bits(gb, 1);
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if (v->reserved)
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{
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av_log(avctx, AV_LOG_ERROR, "RESERVED should be 0 (is %i)\n",
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v->reserved);
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return -1;
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}
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if (v->extended_mv)
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v->extended_dmv = get_bits(gb, 1);
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if (get_bits(gb, 1) /* pic_size_flag */)
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{
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avctx->coded_width = get_bits(gb, 12);
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avctx->coded_height = get_bits(gb, 12);
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if ( get_bits(gb, 1) /* disp_size_flag */)
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{
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avctx->width = get_bits(gb, 14);
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avctx->height = get_bits(gb, 14);
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}
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if ( get_bits(gb, 1) /* aspect_ratio_flag */)
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{
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aspect_ratio = get_bits(gb, 4); //SAR
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if (aspect_ratio == 0x0F) //FF_ASPECT_EXTENDED
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{
|
|
avctx->sample_aspect_ratio.num = get_bits(gb, 8);
|
|
avctx->sample_aspect_ratio.den = get_bits(gb, 8);
|
|
}
|
|
else if (aspect_ratio == 0x0E)
|
|
{
|
|
av_log(avctx, AV_LOG_DEBUG, "Reserved AR found\n");
|
|
}
|
|
else
|
|
{
|
|
avctx->sample_aspect_ratio = vc9_pixel_aspect[aspect_ratio];
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
avctx->coded_width = avctx->width;
|
|
avctx->coded_height = avctx->height;
|
|
}
|
|
|
|
if ( get_bits(gb, 1) /* framerateflag */)
|
|
{
|
|
if ( get_bits(gb, 1) /* framerateind */)
|
|
{
|
|
nr = get_bits(gb, 8);
|
|
dr = get_bits(gb, 4);
|
|
if (nr<1)
|
|
{
|
|
av_log(avctx, AV_LOG_ERROR, "0 is forbidden for FRAMERATENR\n");
|
|
return -1;
|
|
}
|
|
if (nr>5)
|
|
{
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Reserved FRAMERATENR %i not handled\n", nr);
|
|
}
|
|
if (dr<1)
|
|
{
|
|
av_log(avctx, AV_LOG_ERROR, "0 is forbidden for FRAMERATEDR\n");
|
|
}
|
|
if (dr>2)
|
|
{
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Reserved FRAMERATEDR %i not handled\n", dr);
|
|
}
|
|
avctx->frame_rate_base = fps_nr[dr];
|
|
avctx->frame_rate = fps_nr[nr];
|
|
}
|
|
else
|
|
{
|
|
nr = get_bits(gb, 16);
|
|
// 0.03125->2048Hz / 0.03125Hz
|
|
avctx->frame_rate = 1000000;
|
|
avctx->frame_rate_base = 31250*(1+nr);
|
|
}
|
|
}
|
|
|
|
if ( get_bits(gb, 1) /* color_format_flag */)
|
|
{
|
|
//Chromacity coordinates of color primaries
|
|
//like ITU-R BT.709-2, BT.470-2, ...
|
|
v->color_prim = get_bits(gb, 8);
|
|
if (v->color_prim<1)
|
|
{
|
|
av_log(avctx, AV_LOG_ERROR, "0 for COLOR_PRIM is reserved\n");
|
|
return -1;
|
|
}
|
|
if (v->color_prim == 3 || v->color_prim>6)
|
|
{
|
|
av_log(avctx, AV_LOG_DEBUG, "Reserved COLOR_PRIM %i found\n",
|
|
v->color_prim);
|
|
return -1;
|
|
}
|
|
|
|
//Opto-electronic transfer characteristics
|
|
v->transfer_char = get_bits(gb, 8);
|
|
if (v->transfer_char == 3 || v->transfer_char>8)
|
|
{
|
|
av_log(avctx, AV_LOG_DEBUG, "Reserved TRANSFERT_CHAR %i found\n",
|
|
v->color_prim);
|
|
return -1;
|
|
}
|
|
|
|
//Matrix coefficient for primariev->YCbCr
|
|
v->matrix_coef = get_bits(gb, 8);
|
|
if (v->matrix_coef < 1) return -1; //forbidden
|
|
if ((v->matrix_coef>3 && v->matrix_coef<6) || v->matrix_coef>7)
|
|
{
|
|
av_log(avctx, AV_LOG_DEBUG, "Reserved MATRIX_COEF %i found\n",
|
|
v->color_prim);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
//Hypothetical reference decoder indicator flag
|
|
v->hrd_param_flag = get_bits(gb, 1);
|
|
if (v->hrd_param_flag)
|
|
{
|
|
if (decode_hrd(v, gb) < 0) return -1;
|
|
}
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, "Advanced profile not supported yet\n");
|
|
return -1;
|
|
}
|
|
#endif
|
|
|
|
static int decode_sequence_header(AVCodecContext *avctx, GetBitContext *gb)
|
|
{
|
|
VC9Context *v = avctx->priv_data;
|
|
|
|
v->profile = get_bits(gb, 2);
|
|
av_log(avctx, AV_LOG_DEBUG, "Profile: %i\n", v->profile);
|
|
|
|
#if HAS_ADVANCED_PROFILE
|
|
if (v->profile > PROFILE_MAIN)
|
|
{
|
|
v->level = get_bits(gb, 3);
|
|
v->chromaformat = get_bits(gb, 2);
|
|
if (v->chromaformat != 1)
|
|
{
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Only 4:2:0 chroma format supported\n");
|
|
return -1;
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
v->res_sm = get_bits(gb, 2); //reserved
|
|
if (v->res_sm)
|
|
{
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Reserved RES_SM=%i is forbidden\n", v->res_sm);
|
|
//return -1;
|
|
}
|
|
}
|
|
|
|
// (fps-2)/4 (->30)
|
|
v->frmrtq_postproc = get_bits(gb, 3); //common
|
|
// (bitrate-32kbps)/64kbps
|
|
v->bitrtq_postproc = get_bits(gb, 5); //common
|
|
v->loopfilter = get_bits(gb, 1); //common
|
|
|
|
#if HAS_ADVANCED_PROFILE
|
|
if (v->profile <= PROFILE_MAIN)
|
|
#endif
|
|
{
|
|
v->res_x8 = get_bits(gb, 1); //reserved
|
|
if (v->res_x8)
|
|
{
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"1 for reserved RES_X8 is forbidden\n");
|
|
return -1;
|
|
}
|
|
v->multires = get_bits(gb, 1);
|
|
v->res_fasttx = get_bits(gb, 1);
|
|
if (!v->res_fasttx)
|
|
{
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"0 for reserved RES_FASTTX is forbidden\n");
|
|
//return -1;
|
|
}
|
|
}
|
|
|
|
v->fastuvmc = get_bits(gb, 1); //common
|
|
if (!v->profile && !v->fastuvmc)
|
|
{
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"FASTUVMC unavailable in Simple Profile\n");
|
|
return -1;
|
|
}
|
|
v->extended_mv = get_bits(gb, 1); //common
|
|
if (!v->profile && v->extended_mv)
|
|
{
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Extended MVs unavailable in Simple Profile\n");
|
|
return -1;
|
|
}
|
|
v->dquant = get_bits(gb, 2); //common
|
|
v->vstransform = get_bits(gb, 1); //common
|
|
|
|
#if HAS_ADVANCED_PROFILE
|
|
if (v->profile <= PROFILE_MAIN)
|
|
#endif
|
|
{
|
|
v->res_transtab = get_bits(gb, 1);
|
|
if (v->res_transtab)
|
|
{
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"1 for reserved RES_TRANSTAB is forbidden\n");
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
v->overlap = get_bits(gb, 1); //common
|
|
|
|
#if HAS_ADVANCED_PROFILE
|
|
if (v->profile <= PROFILE_MAIN)
|
|
#endif
|
|
{
|
|
v->syncmarker = get_bits(gb, 1);
|
|
v->rangered = get_bits(gb, 1);
|
|
}
|
|
|
|
avctx->max_b_frames = get_bits(gb, 3); //common
|
|
v->quantizer_mode = get_bits(gb, 2); //common
|
|
|
|
#if HAS_ADVANCED_PROFILE
|
|
if (v->profile <= PROFILE_MAIN)
|
|
#endif
|
|
{
|
|
v->finterpflag = get_bits(gb, 1); //common
|
|
v->res_rtm_flag = get_bits(gb, 1); //reserved
|
|
if (!v->res_rtm_flag)
|
|
{
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"0 for reserved RES_RTM_FLAG is forbidden\n");
|
|
//return -1;
|
|
}
|
|
#if TRACE
|
|
av_log(avctx, AV_LOG_INFO,
|
|
"Profile %i:\nfrmrtq_postproc=%i, bitrtq_postproc=%i\n"
|
|
"LoopFilter=%i, MultiRes=%i, FastUVMV=%i, Extended MV=%i\n"
|
|
"Rangered=%i, VSTransform=%i, Overlap=%i, SyncMarker=%i\n"
|
|
"DQuant=%i, Quantizer mode=%i, Max B frames=%i\n",
|
|
v->profile, v->frmrtq_postproc, v->bitrtq_postproc,
|
|
v->loopfilter, v->multires, v->fastuvmc, v->extended_mv,
|
|
v->rangered, v->vstransform, v->overlap, v->syncmarker,
|
|
v->dquant, v->quantizer_mode, avctx->max_b_frames
|
|
);
|
|
#endif
|
|
}
|
|
#if HAS_ADVANCED_PROFILE
|
|
else decode_advanced_sequence_header(avctx, gb);
|
|
#endif
|
|
}
|
|
|
|
|
|
#if HAS_ADVANCED_PROFILE
|
|
/*****************************************************************************/
|
|
/* Entry point decoding (Advanced Profile) */
|
|
/*****************************************************************************/
|
|
static int advanced_entry_point_process(AVCodecContext *avctx, GetBitContext *gb)
|
|
{
|
|
VC9Context *v = avctx->priv_data;
|
|
int range_mapy_flag, range_mapuv_flag, i;
|
|
if (v->profile != PROFILE_ADVANCED)
|
|
{
|
|
av_log(avctx, AV_LOG_ERROR,
|
|
"Entry point are only defined in Advanced Profile!\n");
|
|
return -1; //Only for advanced profile!
|
|
}
|
|
if (v->hrd_param_flag)
|
|
{
|
|
//Update buffer fullness
|
|
av_log(avctx, AV_LOG_DEBUG, "Buffer fullness update\n");
|
|
for (i=0; i<v->hrd_num_leaky_buckets; i++)
|
|
skip_bits(gb, 8);
|
|
}
|
|
if ((range_mapy_flag = get_bits(gb, 1)))
|
|
{
|
|
//RANGE_MAPY
|
|
av_log(avctx, AV_LOG_DEBUG, "RANGE_MAPY\n");
|
|
skip_bits(gb, 3);
|
|
}
|
|
if ((range_mapuv_flag = get_bits(gb, 1)))
|
|
{
|
|
//RANGE_MAPUV
|
|
av_log(avctx, AV_LOG_DEBUG, "RANGE_MAPUV\n");
|
|
skip_bits(gb, 3);
|
|
}
|
|
if (v->panscanflag)
|
|
{
|
|
//NUMPANSCANWIN
|
|
v->numpanscanwin = get_bits(gb, 3);
|
|
av_log(avctx, AV_LOG_DEBUG, "NUMPANSCANWIN: %u\n", v->numpanscanwin);
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/******************************************************************************/
|
|
/* Bitplane decoding */
|
|
/******************************************************************************/
|
|
#define IMODE_RAW 0
|
|
#define IMODE_NORM2 1
|
|
#define IMODE_DIFF2 2
|
|
#define IMODE_NORM6 3
|
|
#define IMODE_DIFF6 4
|
|
#define IMODE_ROWSKIP 5
|
|
#define IMODE_COLSKIP 6
|
|
|
|
static void decode_rowskip(uint8_t* plane, int width, int height, int stride, VC9Context *v){
|
|
int x, y;
|
|
|
|
for (y=0; y<height; y++){
|
|
if (!get_bits(&v->gb, 1)) //rowskip
|
|
memset(plane, 0, width);
|
|
else
|
|
for (x=0; x<width; x++)
|
|
plane[x] = get_bits(&v->gb, 1);
|
|
plane += stride;
|
|
}
|
|
}
|
|
|
|
//FIXME optimize
|
|
static void decode_colskip(uint8_t* plane, int width, int height, int stride, VC9Context *v){
|
|
int x, y;
|
|
|
|
for (x=0; x<width; x++){
|
|
if (!get_bits(&v->gb, 1)) //colskip
|
|
for (y=0; y<height; y++)
|
|
plane[y*stride] = 0;
|
|
else
|
|
for (y=0; y<height; y++)
|
|
plane[y*stride] = get_bits(&v->gb, 1);
|
|
plane ++;
|
|
}
|
|
}
|
|
|
|
//FIXME optimize
|
|
//FIXME is this supposed to set elements to 0/FF or 0/1?
|
|
static int bitplane_decoding(uint8_t* plane, int width, int height, VC9Context *v)
|
|
{
|
|
int imode, x, y, i, code, use_vertical_tile, tile_w, tile_h;
|
|
uint8_t invert, *planep = plane;
|
|
int stride= width;
|
|
|
|
invert = get_bits(&v->gb, 1);
|
|
imode = get_vlc2(&v->gb, vc9_imode_vlc.table, VC9_IMODE_VLC_BITS, 2);
|
|
av_log(v->avctx, AV_LOG_DEBUG, "Bitplane: imode=%i, invert=%i\n",
|
|
imode, invert);
|
|
|
|
switch (imode)
|
|
{
|
|
case IMODE_RAW:
|
|
for (y=0; y<height; y++)
|
|
{
|
|
for (x=0; x<width; x++)
|
|
planep[x] = (-get_bits(&v->gb, 1)); //-1=0xFF
|
|
planep += stride;
|
|
}
|
|
invert=0; //spec says ignore invert if raw
|
|
break;
|
|
case IMODE_DIFF2:
|
|
case IMODE_NORM2:
|
|
if ((height*width) & 1) *(++planep) = get_bits(&v->gb, 1);
|
|
for(i=0; i<(height*width)>>1; i++){
|
|
code = get_vlc2(&v->gb, vc9_norm2_vlc.table, VC9_NORM2_VLC_BITS, 2);
|
|
*(++planep) = code&1; //lsb => left
|
|
*(++planep) = code&2; //msb => right - this is a bitplane, so only !0 matters
|
|
//FIXME width->stride
|
|
}
|
|
break;
|
|
case IMODE_DIFF6:
|
|
case IMODE_NORM6:
|
|
use_vertical_tile= height%3==0 && width%3!=0;
|
|
tile_w= use_vertical_tile ? 2 : 3;
|
|
tile_h= use_vertical_tile ? 3 : 2;
|
|
|
|
for(y= height%tile_h; y<height; y+=tile_h){
|
|
for(x= width%tile_w; x<width; x+=tile_w){
|
|
code = get_vlc2(&v->gb, vc9_norm6_vlc.table, VC9_NORM6_VLC_BITS, 2);
|
|
//FIXME following is a pure guess and probably wrong
|
|
planep[x + 0*stride]= (code>>0)&1;
|
|
planep[x + 1 + 0*stride]= (code>>1)&1;
|
|
if(use_vertical_tile){
|
|
planep[x + 0 + 1*stride]= (code>>2)&1;
|
|
planep[x + 1 + 1*stride]= (code>>3)&1;
|
|
planep[x + 0 + 2*stride]= (code>>4)&1;
|
|
planep[x + 1 + 2*stride]= (code>>5)&1;
|
|
}else{
|
|
planep[x + 2 + 0*stride]= (code>>2)&1;
|
|
planep[x + 0 + 1*stride]= (code>>3)&1;
|
|
planep[x + 1 + 1*stride]= (code>>4)&1;
|
|
planep[x + 2 + 1*stride]= (code>>5)&1;
|
|
}
|
|
}
|
|
}
|
|
|
|
x= width % tile_w;
|
|
decode_colskip(plane , x, height , stride, v);
|
|
decode_rowskip(plane+x, width - x, height % tile_h, stride, v);
|
|
|
|
break;
|
|
case IMODE_ROWSKIP:
|
|
decode_rowskip(plane, width, height, stride, v);
|
|
break;
|
|
case IMODE_COLSKIP: //Teh ugly
|
|
decode_colskip(plane, width, height, stride, v);
|
|
break;
|
|
default: break;
|
|
}
|
|
|
|
/* Applying diff operator */
|
|
if (imode == IMODE_DIFF2 || imode == IMODE_DIFF6)
|
|
{
|
|
planep = plane;
|
|
planep[0] ^= invert;
|
|
for (x=1; x<width; x++)
|
|
planep[x] ^= planep[x-1];
|
|
for (y=1; y<height; y++)
|
|
{
|
|
planep += stride;
|
|
planep[0] ^= planep[-stride];
|
|
for (x=1; x<width; x++)
|
|
{
|
|
if (planep[x-1] != planep[x-stride]) planep[x] ^= invert;
|
|
else planep[x] ^= planep[x-1];
|
|
}
|
|
}
|
|
}
|
|
else if (invert)
|
|
{
|
|
planep = plane;
|
|
for (x=0; x<width*height; x++) planep[x] = !planep[x]; //FIXME stride
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* VOP Dquant decoding */
|
|
/*****************************************************************************/
|
|
static int vop_dquant_decoding(VC9Context *v)
|
|
{
|
|
int pqdiff;
|
|
|
|
//variable size
|
|
if (v->dquant == 2)
|
|
{
|
|
pqdiff = get_bits(&v->gb, 3);
|
|
if (pqdiff == 7) v->altpq = get_bits(&v->gb, 5);
|
|
else v->altpq = v->pq + pqdiff + 1;
|
|
}
|
|
else
|
|
{
|
|
v->dquantfrm = get_bits(&v->gb, 1);
|
|
if ( v->dquantfrm )
|
|
{
|
|
v->dqprofile = get_bits(&v->gb, 2);
|
|
switch (v->dqprofile)
|
|
{
|
|
case DQPROFILE_SINGLE_EDGE:
|
|
case DQPROFILE_DOUBLE_EDGES:
|
|
v->dqsbedge = get_bits(&v->gb, 2);
|
|
break;
|
|
case DQPROFILE_ALL_MBS:
|
|
v->dqbilevel = get_bits(&v->gb, 1);
|
|
default: break; //Forbidden ?
|
|
}
|
|
if (!v->dqbilevel || v->dqprofile != DQPROFILE_ALL_MBS)
|
|
{
|
|
pqdiff = get_bits(&v->gb, 3);
|
|
if (pqdiff == 7) v->altpq = get_bits(&v->gb, 5);
|
|
else v->altpq = v->pq + pqdiff + 1;
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* All Profiles picture header decoding specific functions */
|
|
/* Only pro/epilog differs between Simple/Main and Advanced => check caller */
|
|
/*****************************************************************************/
|
|
static int decode_bi_picture_header(VC9Context *v)
|
|
{
|
|
/* Very particular case:
|
|
- for S/M Profiles, decode_b_picture_header reads BF,
|
|
bfraction then determine if this is a BI frame, calling
|
|
this function afterwards
|
|
- for A Profile, PTYPE already tells so and we can go
|
|
directly there
|
|
*/
|
|
int pqindex;
|
|
|
|
/* Read the quantization stuff */
|
|
pqindex = get_bits(&v->gb, 5);
|
|
if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)
|
|
v->pq = pquant_table[0][pqindex];
|
|
else
|
|
{
|
|
v->pq = pquant_table[v->quantizer_mode-1][pqindex];
|
|
}
|
|
if (pqindex < 9) v->halfpq = get_bits(&v->gb, 1);
|
|
if (v->quantizer_mode == QUANT_FRAME_EXPLICIT)
|
|
v->pquantizer = get_bits(&v->gb, 1);
|
|
|
|
/* Read the MV type/mode */
|
|
if (v->extended_mv == 1)
|
|
v->mvrange = get_prefix(&v->gb, 0, 3);
|
|
|
|
/* FIXME: what table are used in that case ? */
|
|
v->mv_diff_vlc = &vc9_mv_diff_vlc[0];
|
|
v->cbpcy_vlc = &vc9_cbpcy_i_vlc;
|
|
|
|
av_log(v->avctx, AV_LOG_DEBUG, "B frame, QP=%i\n", v->pq);
|
|
av_log(v->avctx, AV_LOG_ERROR, "BI_TYPE not supported yet\n");
|
|
/* Epilog should be done in caller */
|
|
return -1;
|
|
}
|
|
|
|
static int decode_b_picture_header(VC9Context *v)
|
|
{
|
|
int pqindex;
|
|
|
|
/* Prolog common to all frametypes should be done in caller */
|
|
if (v->profile == PROFILE_SIMPLE)
|
|
{
|
|
av_log(v, AV_LOG_ERROR, "Found a B frame while in Simple Profile!\n");
|
|
return FRAME_SKIPED;
|
|
}
|
|
|
|
v->bfraction = vc9_bfraction_lut[get_vlc2(&v->gb, vc9_bfraction_vlc.table,
|
|
VC9_BFRACTION_VLC_BITS, 2)];
|
|
if (v->bfraction < -1)
|
|
{
|
|
av_log(v, AV_LOG_ERROR, "Invalid BFRaction\n");
|
|
return FRAME_SKIPED;
|
|
}
|
|
else if (!v->bfraction)
|
|
{
|
|
/* We actually have a BI frame */
|
|
return decode_bi_picture_header(v);
|
|
}
|
|
|
|
/* Read the quantization stuff */
|
|
pqindex = get_bits(&v->gb, 5);
|
|
if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)
|
|
v->pq = pquant_table[0][pqindex];
|
|
else
|
|
{
|
|
v->pq = pquant_table[v->quantizer_mode-1][pqindex];
|
|
}
|
|
if (pqindex < 9) v->halfpq = get_bits(&v->gb, 1);
|
|
if (v->quantizer_mode == QUANT_FRAME_EXPLICIT)
|
|
v->pquantizer = get_bits(&v->gb, 1);
|
|
|
|
/* Read the MV type/mode */
|
|
if (v->extended_mv == 1)
|
|
v->mvrange = get_prefix(&v->gb, 0, 3);
|
|
v->mv_mode = get_bits(&v->gb, 1);
|
|
if (v->pq < 13)
|
|
{
|
|
if (!v->mv_mode)
|
|
{
|
|
v->mv_mode = get_bits(&v->gb, 2);
|
|
if (v->mv_mode)
|
|
av_log(v, AV_LOG_ERROR,
|
|
"mv_mode for lowquant B frame was %i\n", v->mv_mode);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (!v->mv_mode)
|
|
{
|
|
if (get_bits(&v->gb, 1))
|
|
av_log(v, AV_LOG_ERROR,
|
|
"mv_mode for highquant B frame was %i\n", v->mv_mode);
|
|
}
|
|
v->mv_mode = 1-v->mv_mode; //To match (pq < 13) mapping
|
|
}
|
|
|
|
if (v->mv_mode == MV_PMODE_MIXED_MV)
|
|
{
|
|
if (bitplane_decoding( v->mv_type_mb_plane, v->width_mb,
|
|
v->height_mb, v)<0)
|
|
return -1;
|
|
}
|
|
|
|
//bitplane
|
|
bitplane_decoding(v->direct_mb_plane, v->width_mb, v->height_mb, v);
|
|
bitplane_decoding(v->skip_mb_plane, v->width_mb, v->height_mb, v);
|
|
|
|
/* FIXME: what is actually chosen for B frames ? */
|
|
v->mv_diff_vlc = &vc9_mv_diff_vlc[get_bits(&v->gb, 2)];
|
|
v->cbpcy_vlc = &vc9_cbpcy_p_vlc[get_bits(&v->gb, 2)];
|
|
if (v->dquant)
|
|
{
|
|
vop_dquant_decoding(v);
|
|
}
|
|
|
|
if (v->vstransform)
|
|
{
|
|
v->ttmbf = get_bits(&v->gb, 1);
|
|
if (v->ttmbf)
|
|
{
|
|
v->ttfrm = get_bits(&v->gb, 2);
|
|
av_log(v, AV_LOG_INFO, "Transform used: %ix%i\n",
|
|
(v->ttfrm & 2) ? 4 : 8, (v->ttfrm & 1) ? 4 : 8);
|
|
}
|
|
}
|
|
/* Epilog should be done in caller */
|
|
return 0;
|
|
}
|
|
|
|
static int decode_i_picture_header(VC9Context *v)
|
|
{
|
|
int pqindex, status = 0, ac_pred, condover;
|
|
|
|
/* Prolog common to all frametypes should be done in caller */
|
|
//BF = Buffer Fullness
|
|
if (v->profile <= PROFILE_MAIN && get_bits(&v->gb, 7))
|
|
{
|
|
av_log(v, AV_LOG_DEBUG, "I BufferFullness not 0\n");
|
|
}
|
|
|
|
/* Quantizer stuff */
|
|
pqindex = get_bits(&v->gb, 5);
|
|
if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)
|
|
v->pq = pquant_table[0][pqindex];
|
|
else
|
|
{
|
|
v->pq = pquant_table[v->quantizer_mode-1][pqindex];
|
|
}
|
|
if (pqindex < 9) v->halfpq = get_bits(&v->gb, 1);
|
|
if (v->quantizer_mode == QUANT_FRAME_EXPLICIT)
|
|
v->pquantizer = get_bits(&v->gb, 1);
|
|
av_log(v->avctx, AV_LOG_DEBUG, "I frame: QP=%i (+%i/2)\n",
|
|
v->pq, v->halfpq);
|
|
#if HAS_ADVANCED_PROFILE
|
|
if (v->profile <= PROFILE_MAIN)
|
|
#endif
|
|
{
|
|
if (v->extended_mv) v->mvrange = get_prefix(&v->gb, 0, 3);
|
|
if (v->multires) v->respic = get_bits(&v->gb, 2);
|
|
}
|
|
#if HAS_ADVANCED_PROFILE
|
|
else
|
|
{
|
|
ac_pred = get_bits(&v->gb, 1);
|
|
if (v->postprocflag) v->postproc = get_bits(&v->gb, 1);
|
|
/* 7.1.1.34 + 8.5.2 */
|
|
if (v->overlap && v->pq<9)
|
|
{
|
|
condover = get_bits(&v->gb, 1);
|
|
if (condover)
|
|
{
|
|
condover = 2+get_bits(&v->gb, 1);
|
|
if (condover == 3)
|
|
status = bitplane_decoding(v->over_flags_plane,
|
|
v->width_mb, v->height_mb, v);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* Epilog should be done in caller */
|
|
return status;
|
|
}
|
|
|
|
static int decode_p_picture_header(VC9Context *v)
|
|
{
|
|
/* INTERFRM, FRMCNT, RANGEREDFRM read in caller */
|
|
int lowquant, pqindex;
|
|
|
|
pqindex = get_bits(&v->gb, 5);
|
|
if (v->quantizer_mode == QUANT_FRAME_IMPLICIT)
|
|
v->pq = pquant_table[0][pqindex];
|
|
else
|
|
{
|
|
v->pq = pquant_table[v->quantizer_mode-1][pqindex];
|
|
}
|
|
if (pqindex < 9) v->halfpq = get_bits(&v->gb, 1);
|
|
if (v->quantizer_mode == QUANT_FRAME_EXPLICIT)
|
|
v->pquantizer = get_bits(&v->gb, 1);
|
|
av_log(v->avctx, AV_LOG_DEBUG, "P Frame: QP=%i (+%i/2)\n",
|
|
v->pq, v->halfpq);
|
|
if (v->extended_mv == 1) v->mvrange = get_prefix(&v->gb, 0, 3);
|
|
#if HAS_ADVANCED_PROFILE
|
|
if (v->profile > PROFILE_MAIN)
|
|
{
|
|
if (v->postprocflag) v->postproc = get_bits(&v->gb, 1);
|
|
}
|
|
else
|
|
#endif
|
|
if (v->multires) v->respic = get_bits(&v->gb, 2);
|
|
lowquant = (v->pquantizer>12) ? 0 : 1;
|
|
v->mv_mode = mv_pmode_table[lowquant][get_prefix(&v->gb, 1, 4)];
|
|
if (v->mv_mode == MV_PMODE_INTENSITY_COMP)
|
|
{
|
|
v->mv_mode2 = mv_pmode_table[lowquant][get_prefix(&v->gb, 1, 3)];
|
|
v->lumscale = get_bits(&v->gb, 6);
|
|
v->lumshift = get_bits(&v->gb, 6);
|
|
}
|
|
|
|
if ((v->mv_mode == MV_PMODE_INTENSITY_COMP &&
|
|
v->mv_mode2 == MV_PMODE_MIXED_MV)
|
|
|| v->mv_mode == MV_PMODE_MIXED_MV)
|
|
{
|
|
if (bitplane_decoding(v->mv_type_mb_plane, v->width_mb,
|
|
v->height_mb, v) < 0)
|
|
return -1;
|
|
}
|
|
|
|
if (bitplane_decoding(v->skip_mb_plane, v->width_mb,
|
|
v->height_mb, v) < 0)
|
|
return -1;
|
|
|
|
/* Hopefully this is correct for P frames */
|
|
v->mv_diff_vlc = &vc9_mv_diff_vlc[get_bits(&v->gb, 2)];
|
|
v->cbpcy_vlc = &vc9_cbpcy_p_vlc[get_bits(&v->gb, 2)];
|
|
|
|
if (v->dquant)
|
|
{
|
|
av_log(v->avctx, AV_LOG_INFO, "VOP DQuant info\n");
|
|
vop_dquant_decoding(v);
|
|
}
|
|
|
|
if (v->vstransform)
|
|
{
|
|
v->ttmbf = get_bits(&v->gb, 1);
|
|
if (v->ttmbf)
|
|
{
|
|
v->ttfrm = get_bits(&v->gb, 2);
|
|
av_log(v->avctx, AV_LOG_INFO, "Transform used: %ix%i\n",
|
|
(v->ttfrm & 2) ? 4 : 8, (v->ttfrm & 1) ? 4 : 8);
|
|
}
|
|
}
|
|
/* Epilog should be done in caller */
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int standard_decode_picture_header(VC9Context *v)
|
|
{
|
|
int status = 0;
|
|
|
|
if (v->finterpflag) v->interpfrm = get_bits(&v->gb, 1);
|
|
skip_bits(&v->gb, 2); //framecnt unused
|
|
if (v->rangered) v->rangeredfrm = get_bits(&v->gb, 1);
|
|
v->pict_type = get_bits(&v->gb, 1);
|
|
if (v->avctx->max_b_frames && !v->pict_type)
|
|
{
|
|
if (get_bits(&v->gb, 1)) v->pict_type = I_TYPE;
|
|
else v->pict_type = P_TYPE;
|
|
}
|
|
else v->pict_type++; //P_TYPE
|
|
|
|
switch (v->pict_type)
|
|
{
|
|
case I_TYPE: status = decode_i_picture_header(v); break;
|
|
case BI_TYPE: status = decode_b_picture_header(v); break;
|
|
case P_TYPE: status = decode_p_picture_header(v); break;
|
|
case B_TYPE: status = decode_b_picture_header(v); break;
|
|
}
|
|
|
|
if (status == FRAME_SKIPED)
|
|
{
|
|
av_log(v, AV_LOG_INFO, "Skipping frame...\n");
|
|
return status;
|
|
}
|
|
|
|
/* AC/DC Syntax */
|
|
v->transacfrm = get_bits(&v->gb, 1);
|
|
if (v->transacfrm) v->transacfrm += get_bits(&v->gb, 1);
|
|
if (v->pict_type == I_TYPE || v->pict_type == BI_TYPE)
|
|
{
|
|
v->transacfrm2 = get_bits(&v->gb, 1);
|
|
if (v->transacfrm2) v->transacfrm2 += get_bits(&v->gb, 1);
|
|
}
|
|
v->transacdctab = get_bits(&v->gb, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
#if HAS_ADVANCED_PROFILE
|
|
/******************************************************************************/
|
|
/* Advanced Profile picture header decoding specific functions */
|
|
/******************************************************************************/
|
|
static int advanced_decode_picture_header(VC9Context *v)
|
|
{
|
|
static const int type_table[4] = { P_TYPE, B_TYPE, I_TYPE, BI_TYPE };
|
|
int type, i, ret;
|
|
|
|
if (v->interlace)
|
|
{
|
|
v->fcm = get_bits(&v->gb, 1);
|
|
if (v->fcm) v->fcm = 2+get_bits(&v->gb, 1);
|
|
}
|
|
|
|
type = get_prefix(&v->gb, 0, 4);
|
|
if (type > 4 || type < 0) return FRAME_SKIPED;
|
|
v->pict_type = type_table[type];
|
|
av_log(v->avctx, AV_LOG_INFO, "AP Frame Type: %i\n", v->pict_type);
|
|
|
|
if (v->tfcntrflag) v->tfcntr = get_bits(&v->gb, 8);
|
|
if (v->broadcast)
|
|
{
|
|
if (!v->interlace) v->rptfrm = get_bits(&v->gb, 2);
|
|
else
|
|
{
|
|
v->tff = get_bits(&v->gb, 1);
|
|
v->rff = get_bits(&v->gb, 1);
|
|
}
|
|
}
|
|
|
|
if (v->panscanflag)
|
|
{
|
|
#if 0
|
|
for (i=0; i<v->numpanscanwin; i++)
|
|
{
|
|
v->topleftx[i] = get_bits(&v->gb, 16);
|
|
v->toplefty[i] = get_bits(&v->gb, 16);
|
|
v->bottomrightx[i] = get_bits(&v->gb, 16);
|
|
v->bottomrighty[i] = get_bits(&v->gb, 16);
|
|
}
|
|
#else
|
|
skip_bits(&v->gb, 16*4*v->numpanscanwin);
|
|
#endif
|
|
}
|
|
v->rndctrl = get_bits(&v->gb, 1);
|
|
v->uvsamp = get_bits(&v->gb, 1);
|
|
if (v->finterpflag == 1) v->interpfrm = get_bits(&v->gb, 1);
|
|
|
|
switch(v->pict_type)
|
|
{
|
|
case I_TYPE: if (decode_i_picture_header(v) < 0) return -1;
|
|
case P_TYPE: if (decode_p_picture_header(v) < 0) return -1;
|
|
case BI_TYPE:
|
|
case B_TYPE: if (decode_b_picture_header(v) < 0) return FRAME_SKIPED;
|
|
default: break;
|
|
}
|
|
|
|
/* AC/DC Syntax */
|
|
v->transacfrm = get_bits(&v->gb, 1);
|
|
if (v->transacfrm) v->transacfrm += get_bits(&v->gb, 1);
|
|
if (v->pict_type == I_TYPE || v->pict_type == BI_TYPE)
|
|
{
|
|
v->transacfrm2 = get_bits(&v->gb, 1);
|
|
if (v->transacfrm2) v->transacfrm2 += get_bits(&v->gb, 1);
|
|
}
|
|
v->transacdctab = get_bits(&v->gb, 1);
|
|
if (v->pict_type == I_TYPE) vop_dquant_decoding(v);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/******************************************************************************/
|
|
/* MacroBlock decoding functions */
|
|
/******************************************************************************/
|
|
static int standard_decode_i_mbs(VC9Context *v)
|
|
{
|
|
int x, y, ac_pred, cbpcy;
|
|
|
|
/* Select ttmb table depending on pq */
|
|
if (v->pq < 5) v->ttmb_vlc = &vc9_ttmb_vlc[0];
|
|
else if (v->pq < 13) v->ttmb_vlc = &vc9_ttmb_vlc[1];
|
|
else v->ttmb_vlc = &vc9_ttmb_vlc[2];
|
|
|
|
for (y=0; y<v->height_mb; y++)
|
|
{
|
|
for (x=0; x<v->width_mb; x++)
|
|
{
|
|
cbpcy = get_vlc2(&v->gb, vc9_cbpcy_i_vlc.table,
|
|
VC9_CBPCY_I_VLC_BITS, 2);
|
|
ac_pred = get_bits(&v->gb, 1);
|
|
//Decode blocks from that mb wrt cbpcy
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#define GET_MQUANT() \
|
|
if (v->dquantfrm) \
|
|
{ \
|
|
if (v->dqprofile == DQPROFILE_ALL_MBS) \
|
|
{ \
|
|
if (v->dqbilevel) \
|
|
{ \
|
|
mquant = (get_bits(&v->gb, 1)) ? v->pq : v->altpq; \
|
|
} \
|
|
else \
|
|
{ \
|
|
mqdiff = get_bits(&v->gb, 3); \
|
|
if (mqdiff != 7) mquant = v->pq + mqdiff; \
|
|
else mquant = get_bits(&v->gb, 5); \
|
|
} \
|
|
} \
|
|
}
|
|
|
|
/* MVDATA decoding from 8.3.5.2 */
|
|
#define GET_MVDATA() \
|
|
index = 1 + get_vlc2(&v->gb, v->mv_diff_vlc->table, \
|
|
VC9_MV_DIFF_VLC_BITS, 2); \
|
|
if (index > 36) \
|
|
{ \
|
|
mb_has_coeffs = 1; \
|
|
index -= 37; \
|
|
} \
|
|
else mb_has_coeffs = 0; \
|
|
mb_is_intra = 0; \
|
|
if (!index) { dmv_x = dmv_y = 0; } \
|
|
else if (index == 35) \
|
|
{ \
|
|
dmv_x = get_bits(&v->gb, k_x); \
|
|
dmv_y = get_bits(&v->gb, k_y); \
|
|
mb_is_intra = 1; \
|
|
} \
|
|
else \
|
|
{ \
|
|
index1 = index%6; \
|
|
if (hpel_flag && index1 == 5) val = 1; \
|
|
else val = 0; \
|
|
val = get_bits(&v->gb, size_table[index1] - val); \
|
|
sign = 0 - (val&1); \
|
|
dmv_x = (sign ^ ((val>>1) + offset_table[index1])) - sign; \
|
|
\
|
|
index1 = index/6; \
|
|
if (hpel_flag && index1 == 5) val = 1; \
|
|
else val = 0; \
|
|
val = get_bits(&v->gb, size_table[index1] - val); \
|
|
sign = 0 - (val&1); \
|
|
dmv_y = (sign ^ ((val>>1) + offset_table[index1])) - sign; \
|
|
}
|
|
|
|
static int decode_p_mbs(VC9Context *v)
|
|
{
|
|
int x, y, current_mb = 0, i; /* MB/Block Position info */
|
|
int skip_mb_bit = 0, cbpcy; /* MB/B skip */
|
|
int hybrid_pred, ac_pred; /* Prediction types */
|
|
int mb_has_coeffs = 1 /* last_flag */, mb_is_intra;
|
|
int dmv_x, dmv_y; /* Differential MV components */
|
|
int mv_mode_bit = 0; /* mv_mode_bit: 1MV=0, 4MV=0 */
|
|
int mqdiff, mquant; /* MB quantization */
|
|
int tt_block; /* MB Transform type */
|
|
static const int size_table[6] = { 0, 2, 3, 4, 5, 8 },
|
|
offset_table[6] = { 0, 1, 3, 7, 15, 31 };
|
|
int k_x, k_y; /* Long MV fixed bitlength */
|
|
int hpel_flag, intra_flag; /* Some MB properties */
|
|
int index, index1; /* LUT indices */
|
|
int val, sign;
|
|
|
|
/* Select ttmb table depending on pq */
|
|
if (v->pq < 5) v->ttmb_vlc = &vc9_ttmb_vlc[0];
|
|
else if (v->pq < 13) v->ttmb_vlc = &vc9_ttmb_vlc[1];
|
|
else v->ttmb_vlc = &vc9_ttmb_vlc[2];
|
|
|
|
/* Select proper long MV range */
|
|
switch (v->mvrange)
|
|
{
|
|
case 1: k_x = 10; k_y = 9; break;
|
|
case 2: k_x = 12; k_y = 10; break;
|
|
case 3: k_x = 13; k_y = 11; break;
|
|
default: /*case 0 too */ k_x = 9; k_y = 8; break;
|
|
}
|
|
|
|
hpel_flag = v->mv_mode & 1; //MV_PMODE is HPEL
|
|
k_x -= hpel_flag;
|
|
k_y -= hpel_flag;
|
|
|
|
for (y=0; y<v->height_mb; y++)
|
|
{
|
|
for (x=0; x<v->width_mb; x++)
|
|
{
|
|
if (v->mv_type_mb_plane[current_mb])
|
|
mv_mode_bit = get_bits(&v->gb, 1);
|
|
if (0) //skipmb is rawmode
|
|
skip_mb_bit = get_bits(&v->gb, 1);
|
|
if (!mv_mode_bit) /* 1MV mode */
|
|
{
|
|
if (!v->skip_mb_plane[current_mb])
|
|
{
|
|
GET_MVDATA();
|
|
|
|
/* hybrid mv pred, 8.3.5.3.4 */
|
|
if (v->mv_mode == MV_PMODE_1MV ||
|
|
v->mv_mode == MV_PMODE_MIXED_MV)
|
|
hybrid_pred = get_bits(&v->gb, 1);
|
|
if (mb_is_intra && !mb_has_coeffs)
|
|
{
|
|
GET_MQUANT();
|
|
ac_pred = get_bits(&v->gb, 1);
|
|
}
|
|
else if (mb_has_coeffs)
|
|
{
|
|
if (mb_is_intra) ac_pred = get_bits(&v->gb, 1);
|
|
cbpcy = get_vlc2(&v->gb, v->cbpcy_vlc->table,
|
|
VC9_CBPCY_P_VLC_BITS, 2);
|
|
GET_MQUANT();
|
|
}
|
|
if (!v->ttmbf)
|
|
v->ttfrm = get_vlc2(&v->gb, v->ttmb_vlc->table,
|
|
VC9_TTMB_VLC_BITS, 12);
|
|
//Decode blocks from that mb wrt cbpcy
|
|
}
|
|
else //Skipped
|
|
{
|
|
/* hybrid mv pred, 8.3.5.3.4 */
|
|
if (v->mv_mode == MV_PMODE_1MV ||
|
|
v->mv_mode == MV_PMODE_MIXED_MV)
|
|
hybrid_pred = get_bits(&v->gb, 1);
|
|
}
|
|
} //1MV mode
|
|
else //4MV mode
|
|
{
|
|
if (!v->skip_mb_plane[current_mb] /* unskipped MB */)
|
|
{
|
|
cbpcy = get_vlc2(&v->gb, v->cbpcy_vlc->table,
|
|
VC9_CBPCY_P_VLC_BITS, 2);
|
|
for (i=0; i<4; i++) //For all 4 Y blocks
|
|
{
|
|
if (cbpcy & (1<<6) /* cbpcy set for this block */)
|
|
{
|
|
GET_MVDATA();
|
|
}
|
|
if (v->mv_mode == MV_PMODE_MIXED_MV /* Hybrid pred */)
|
|
hybrid_pred = get_bits(&v->gb, 1);
|
|
GET_MQUANT();
|
|
if (mb_is_intra /* One of the 4 blocks is intra */ &&
|
|
index /* non-zero pred for that block */)
|
|
ac_pred = get_bits(&v->gb, 1);
|
|
if (!v->ttmbf)
|
|
tt_block = get_vlc2(&v->gb, v->ttmb_vlc->table,
|
|
VC9_TTMB_VLC_BITS, 12);
|
|
|
|
/* TODO: Process blocks wrt cbpcy */
|
|
|
|
/* Prepare cbpcy for next block */
|
|
cbpcy <<= 1;
|
|
}
|
|
}
|
|
else //Skipped MB
|
|
{
|
|
for (i=0; i<4; i++) //All 4 Y blocks
|
|
{
|
|
if (v->mv_mode == MV_PMODE_MIXED_MV /* Hybrid pred */)
|
|
hybrid_pred = get_bits(&v->gb, 1);
|
|
|
|
/* FIXME: do something */
|
|
}
|
|
}
|
|
}
|
|
}
|
|
current_mb++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int decode_b_mbs(VC9Context *v)
|
|
{
|
|
int x, y, current_mb = 0 , last_mb = v->height_mb*v->width_mb,
|
|
i /* MB / B postion information */;
|
|
int direct_b_bit = 0, skip_mb_bit = 0;
|
|
int ac_pred;
|
|
int b_mv1 = 0, b_mv2 = 0, b_mv_type = 0;
|
|
int mquant, mqdiff; /* MB quant stuff */
|
|
int tt_block; /* Block transform type */
|
|
|
|
for (y=0; y<v->height_mb; y++)
|
|
{
|
|
for (x=0; x<v->width_mb; x++)
|
|
{
|
|
if (v->direct_mb_plane[current_mb])
|
|
direct_b_bit = get_bits(&v->gb, 1);
|
|
if (1 /* Skip mode is raw */)
|
|
{
|
|
/* FIXME getting tired commenting */
|
|
#if 0
|
|
skip_mb_bit = get_bits(&v->gb, n); //vlc
|
|
#endif
|
|
}
|
|
if (!direct_b_bit)
|
|
{
|
|
if (skip_mb_bit)
|
|
{
|
|
/* FIXME getting tired commenting */
|
|
#if 0
|
|
b_mv_type = get_bits(&v->gb, n); //vlc
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
/* FIXME getting tired commenting */
|
|
#if 0
|
|
b_mv1 = get_bits(&v->gb, n); //VLC
|
|
#endif
|
|
if (1 /* b_mv1 isn't intra */)
|
|
{
|
|
/* FIXME: actually read it */
|
|
b_mv_type = 0; //vlc
|
|
}
|
|
}
|
|
}
|
|
if (!skip_mb_bit)
|
|
{
|
|
if (b_mv1 != last_mb)
|
|
{
|
|
GET_MQUANT();
|
|
if (1 /* intra mb */)
|
|
ac_pred = get_bits(&v->gb, 1);
|
|
}
|
|
else
|
|
{
|
|
if (1 /* forward_mb is interpolate */)
|
|
{
|
|
/* FIXME: actually read it */
|
|
b_mv2 = 0; //vlc
|
|
}
|
|
if (1 /* b_mv2 isn't the last */)
|
|
{
|
|
if (1 /* intra_mb */)
|
|
ac_pred = get_bits(&v->gb, 1);
|
|
GET_MQUANT();
|
|
}
|
|
}
|
|
}
|
|
//End1
|
|
/* FIXME getting tired, commenting */
|
|
#if 0
|
|
if (v->ttmbf)
|
|
v->ttmb = get_bits(&v->gb, n); //vlc
|
|
#endif
|
|
}
|
|
//End2
|
|
for (i=0; i<6; i++)
|
|
{
|
|
/* FIXME: process the block */
|
|
}
|
|
|
|
current_mb++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#if HAS_ADVANCED_PROFILE
|
|
static int advanced_decode_i_mbs(VC9Context *v)
|
|
{
|
|
int i, x, y, cbpcy, mqdiff, absmq, mquant, ac_pred, condover,
|
|
current_mb = 0, over_flags_mb = 0;
|
|
|
|
for (y=0; y<v->height_mb; y++)
|
|
{
|
|
for (x=0; x<v->width_mb; x++)
|
|
{
|
|
if (v->ac_pred_plane[i])
|
|
ac_pred = get_bits(&v->gb, 1);
|
|
if (condover == 3 && v->over_flags_plane)
|
|
over_flags_mb = get_bits(&v->gb, 1);
|
|
GET_MQUANT();
|
|
}
|
|
current_mb++;
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int vc9_decode_init(AVCodecContext *avctx)
|
|
{
|
|
VC9Context *v = avctx->priv_data;
|
|
GetBitContext gb;
|
|
|
|
if (!avctx->extradata_size || !avctx->extradata) return -1;
|
|
avctx->pix_fmt = PIX_FMT_YUV420P;
|
|
v->avctx = avctx;
|
|
|
|
if (init_common(v) < 0) return -1;
|
|
|
|
if (avctx->codec_id == CODEC_ID_WMV3)
|
|
{
|
|
int count = 0;
|
|
|
|
// looks like WMV3 has a sequence header stored in the extradata
|
|
// advanced sequence header may be before the first frame
|
|
// the last byte of the extradata is a version number, 1 for the
|
|
// samples we can decode
|
|
|
|
init_get_bits(&gb, avctx->extradata, avctx->extradata_size);
|
|
|
|
decode_sequence_header(avctx, &gb);
|
|
|
|
count = avctx->extradata_size*8 - get_bits_count(&gb);
|
|
if (count>0)
|
|
{
|
|
av_log(avctx, AV_LOG_INFO, "Extra data: %i bits left, value: %X\n",
|
|
count, get_bits(&gb, count));
|
|
}
|
|
else
|
|
{
|
|
av_log(avctx, AV_LOG_INFO, "Read %i bits in overflow\n", -count);
|
|
}
|
|
}
|
|
|
|
/* Done with header parsing */
|
|
//FIXME I feel like this is wrong
|
|
v->width_mb = (avctx->coded_width+15)>>4;
|
|
v->height_mb = (avctx->coded_height+15)>>4;
|
|
|
|
/* Allocate mb bitplanes */
|
|
v->mv_type_mb_plane = (uint8_t *)av_malloc(v->width_mb*v->height_mb);
|
|
if (!v->mv_type_mb_plane) return -1;
|
|
v->skip_mb_plane = (uint8_t *)av_malloc(v->width_mb*v->height_mb);
|
|
if (!v->skip_mb_plane) return -1;
|
|
v->direct_mb_plane = (uint8_t *)av_malloc(v->width_mb*v->height_mb);
|
|
if (!v->direct_mb_plane) return -1;
|
|
|
|
#if HAS_ADVANCED_PROFILE
|
|
if (v->profile > PROFILE_MAIN)
|
|
{
|
|
v->over_flags_plane = (uint8_t *)av_malloc(v->width_mb*v->height_mb);
|
|
if (!v->over_flags_plane) return -1;
|
|
v->ac_pred_plane = (uint8_t *)av_malloc(v->width_mb*v->height_mb);
|
|
if (!v->ac_pred_plane) return -1;
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int vc9_decode_frame(AVCodecContext *avctx,
|
|
void *data, int *data_size,
|
|
uint8_t *buf, int buf_size)
|
|
{
|
|
VC9Context *v = avctx->priv_data;
|
|
int ret = FRAME_SKIPED, len, start_code;
|
|
AVFrame *pict = data;
|
|
uint8_t *tmp_buf;
|
|
v->avctx = avctx;
|
|
|
|
//buf_size = 0 -> last frame
|
|
if (!buf_size) return 0;
|
|
|
|
len = avpicture_get_size(avctx->pix_fmt, avctx->width,
|
|
avctx->height);
|
|
tmp_buf = (uint8_t *)av_mallocz(len);
|
|
avpicture_fill((AVPicture *)pict, tmp_buf, avctx->pix_fmt,
|
|
avctx->width, avctx->height);
|
|
|
|
if (avctx->codec_id == CODEC_ID_WMV3)
|
|
{
|
|
init_get_bits(&v->gb, buf, buf_size*8);
|
|
av_log(avctx, AV_LOG_INFO, "Frame: %i bits to decode\n", buf_size*8);
|
|
|
|
#if HAS_ADVANCED_PROFILE
|
|
if (v->profile > PROFILE_MAIN)
|
|
{
|
|
if (advanced_decode_picture_header(v) == FRAME_SKIPED) return buf_size;
|
|
switch(v->pict_type)
|
|
{
|
|
case I_TYPE: ret = advanced_decode_i_mbs(v); break;
|
|
case P_TYPE: ret = decode_p_mbs(v); break;
|
|
case B_TYPE:
|
|
case BI_TYPE: ret = decode_b_mbs(v); break;
|
|
default: ret = FRAME_SKIPED;
|
|
}
|
|
if (ret == FRAME_SKIPED) return buf_size; //We ignore for now failures
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
if (standard_decode_picture_header(v) == FRAME_SKIPED) return buf_size;
|
|
switch(v->pict_type)
|
|
{
|
|
case I_TYPE: ret = standard_decode_i_mbs(v); break;
|
|
case P_TYPE: ret = decode_p_mbs(v); break;
|
|
case B_TYPE:
|
|
case BI_TYPE: ret = decode_b_mbs(v); break;
|
|
default: ret = FRAME_SKIPED;
|
|
}
|
|
if (ret == FRAME_SKIPED) return buf_size;
|
|
}
|
|
|
|
/* Size of the output data = image */
|
|
av_log(avctx, AV_LOG_DEBUG, "Consumed %i/%i bits\n",
|
|
get_bits_count(&v->gb), buf_size*8);
|
|
}
|
|
else
|
|
{
|
|
#if 0
|
|
// search for IDU's
|
|
// FIXME
|
|
uint32_t scp = 0;
|
|
int scs = 0, i = 0;
|
|
|
|
while (i < buf_size)
|
|
{
|
|
for (; i < buf_size && scp != 0x000001; i++)
|
|
scp = ((scp<<8)|buf[i])&0xffffff;
|
|
|
|
if (scp != 0x000001)
|
|
break; // eof ?
|
|
|
|
scs = buf[i++];
|
|
|
|
init_get_bits(&v->gb, buf+i, (buf_size-i)*8);
|
|
|
|
switch(scs)
|
|
{
|
|
case 0xf:
|
|
decode_sequence_header(avctx, &v->gb);
|
|
break;
|
|
// to be finished
|
|
}
|
|
|
|
i += get_bits_count(&v->gb)*8;
|
|
}
|
|
#else
|
|
av_abort();
|
|
#endif
|
|
}
|
|
|
|
*data_size = len;
|
|
|
|
/* Fake consumption of all data */
|
|
return buf_size; //Number of bytes consumed
|
|
}
|
|
|
|
static int vc9_decode_end(AVCodecContext *avctx)
|
|
{
|
|
VC9Context *v = avctx->priv_data;
|
|
|
|
#if HAS_ADVANCED_PROFILE
|
|
av_freep(&v->hrd_rate);
|
|
av_freep(&v->hrd_buffer);
|
|
#endif
|
|
av_freep(&v->mv_type_mb_plane);
|
|
av_freep(&v->skip_mb_plane);
|
|
av_freep(&v->direct_mb_plane);
|
|
return 0;
|
|
}
|
|
|
|
AVCodec vc9_decoder = {
|
|
"vc9",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_VC9,
|
|
sizeof(VC9Context),
|
|
vc9_decode_init,
|
|
NULL,
|
|
vc9_decode_end,
|
|
vc9_decode_frame,
|
|
CODEC_CAP_DELAY,
|
|
NULL
|
|
};
|
|
|
|
AVCodec wmv3_decoder = {
|
|
"wmv3",
|
|
CODEC_TYPE_VIDEO,
|
|
CODEC_ID_WMV3,
|
|
sizeof(VC9Context),
|
|
vc9_decode_init,
|
|
NULL,
|
|
vc9_decode_end,
|
|
vc9_decode_frame,
|
|
CODEC_CAP_DELAY,
|
|
NULL
|
|
};
|