yading@10: /* yading@10: * VC-1 and WMV3 decoder yading@10: * copyright (c) 2006 Konstantin Shishkov yading@10: * (c) 2005 anonymous, Alex Beregszaszi, Michael Niedermayer yading@10: * yading@10: * This file is part of FFmpeg. yading@10: * yading@10: * FFmpeg is free software; you can redistribute it and/or yading@10: * modify it under the terms of the GNU Lesser General Public yading@10: * License as published by the Free Software Foundation; either yading@10: * version 2.1 of the License, or (at your option) any later version. yading@10: * yading@10: * FFmpeg is distributed in the hope that it will be useful, yading@10: * but WITHOUT ANY WARRANTY; without even the implied warranty of yading@10: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU yading@10: * Lesser General Public License for more details. yading@10: * yading@10: * You should have received a copy of the GNU Lesser General Public yading@10: * License along with FFmpeg; if not, write to the Free Software yading@10: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA yading@10: */ yading@10: yading@10: /** yading@10: * @file yading@10: * VC-1 tables. yading@10: */ yading@10: yading@10: #ifndef AVCODEC_VC1DATA_H yading@10: #define AVCODEC_VC1DATA_H yading@10: yading@10: #include yading@10: #include "libavutil/rational.h" yading@10: #include "get_bits.h" yading@10: yading@10: /** Table for conversion between TTBLK and TTMB */ yading@10: extern const int ff_vc1_ttblk_to_tt[3][8]; yading@10: yading@10: extern const int ff_vc1_ttfrm_to_tt[4]; yading@10: yading@10: /** MV P mode - the 5th element is only used for mode 1 */ yading@10: extern const uint8_t ff_vc1_mv_pmode_table[2][5]; yading@10: extern const uint8_t ff_vc1_mv_pmode_table2[2][4]; yading@10: yading@10: extern const int ff_vc1_fps_nr[7], ff_vc1_fps_dr[2]; yading@10: extern const uint8_t ff_vc1_pquant_table[3][32]; yading@10: yading@10: /* MBMODE table for interlaced frame P-picture */ yading@10: extern const uint8_t ff_vc1_mbmode_intfrp[2][15][4]; yading@10: yading@10: /** @name VC-1 VLC tables and defines yading@10: * @todo TODO move this into the context yading@10: */ yading@10: //@{ yading@10: #define VC1_BFRACTION_VLC_BITS 7 yading@10: extern VLC ff_vc1_bfraction_vlc; yading@10: #define VC1_IMODE_VLC_BITS 4 yading@10: extern VLC ff_vc1_imode_vlc; yading@10: #define VC1_NORM2_VLC_BITS 3 yading@10: extern VLC ff_vc1_norm2_vlc; yading@10: #define VC1_NORM6_VLC_BITS 9 yading@10: extern VLC ff_vc1_norm6_vlc; yading@10: /* Could be optimized, one table only needs 8 bits */ yading@10: #define VC1_TTMB_VLC_BITS 9 //12 yading@10: extern VLC ff_vc1_ttmb_vlc[3]; yading@10: #define VC1_MV_DIFF_VLC_BITS 9 //15 yading@10: extern VLC ff_vc1_mv_diff_vlc[4]; yading@10: #define VC1_CBPCY_P_VLC_BITS 9 //14 yading@10: extern VLC ff_vc1_cbpcy_p_vlc[4]; yading@10: #define VC1_ICBPCY_VLC_BITS 9 yading@10: extern VLC ff_vc1_icbpcy_vlc[8]; yading@10: #define VC1_4MV_BLOCK_PATTERN_VLC_BITS 6 yading@10: extern VLC ff_vc1_4mv_block_pattern_vlc[4]; yading@10: #define VC1_2MV_BLOCK_PATTERN_VLC_BITS 3 yading@10: extern VLC ff_vc1_2mv_block_pattern_vlc[4]; yading@10: #define VC1_TTBLK_VLC_BITS 5 yading@10: extern VLC ff_vc1_ttblk_vlc[3]; yading@10: #define VC1_SUBBLKPAT_VLC_BITS 6 yading@10: extern VLC ff_vc1_subblkpat_vlc[3]; yading@10: #define VC1_INTFR_4MV_MBMODE_VLC_BITS 9 yading@10: extern VLC ff_vc1_intfr_4mv_mbmode_vlc[4]; yading@10: #define VC1_INTFR_NON4MV_MBMODE_VLC_BITS 6 yading@10: extern VLC ff_vc1_intfr_non4mv_mbmode_vlc[4]; yading@10: #define VC1_IF_MMV_MBMODE_VLC_BITS 5 yading@10: extern VLC ff_vc1_if_mmv_mbmode_vlc[8]; yading@10: #define VC1_IF_1MV_MBMODE_VLC_BITS 5 yading@10: extern VLC ff_vc1_if_1mv_mbmode_vlc[8]; yading@10: #define VC1_1REF_MVDATA_VLC_BITS 9 yading@10: extern VLC ff_vc1_1ref_mvdata_vlc[4]; yading@10: #define VC1_2REF_MVDATA_VLC_BITS 9 yading@10: extern VLC ff_vc1_2ref_mvdata_vlc[8]; yading@10: yading@10: extern VLC ff_vc1_ac_coeff_table[8]; yading@10: yading@10: #define VC1_IF_MBMODE_VLC_BITS 5 yading@10: //@} yading@10: yading@10: yading@10: /* Denominator used for ff_vc1_bfraction_lut */ yading@10: #define B_FRACTION_DEN 256 yading@10: yading@10: /* pre-computed scales for all bfractions and base=256 */ yading@10: extern const int16_t ff_vc1_bfraction_lut[23]; yading@10: extern const uint8_t ff_vc1_bfraction_bits[23]; yading@10: extern const uint8_t ff_vc1_bfraction_codes[23]; yading@10: yading@10: //Same as H.264 yading@10: extern const AVRational ff_vc1_pixel_aspect[16]; yading@10: yading@10: /* BitPlane IMODE - such a small table... */ yading@10: extern const uint8_t ff_vc1_imode_codes[7]; yading@10: extern const uint8_t ff_vc1_imode_bits[7]; yading@10: yading@10: /* Normal-2 imode */ yading@10: extern const uint8_t ff_vc1_norm2_codes[4]; yading@10: extern const uint8_t ff_vc1_norm2_bits[4]; yading@10: extern const uint16_t ff_vc1_norm6_codes[64]; yading@10: extern const uint8_t ff_vc1_norm6_bits[64]; yading@10: /* Normal-6 imode */ yading@10: extern const uint8_t ff_vc1_norm6_spec[64][5]; yading@10: yading@10: /* 4MV Block pattern VLC tables */ yading@10: extern const uint8_t ff_vc1_4mv_block_pattern_codes[4][16]; yading@10: extern const uint8_t ff_vc1_4mv_block_pattern_bits[4][16]; yading@10: yading@10: /* 2MV Block pattern VLC tables */ yading@10: extern const uint8_t ff_vc1_2mv_block_pattern_codes[4][4]; yading@10: extern const uint8_t ff_vc1_2mv_block_pattern_bits[4][4]; yading@10: yading@10: extern const uint8_t ff_wmv3_dc_scale_table[32]; yading@10: yading@10: /* P-Picture CBPCY VLC tables */ yading@10: extern const uint16_t ff_vc1_cbpcy_p_codes[4][64]; yading@10: extern const uint8_t ff_vc1_cbpcy_p_bits[4][64]; yading@10: yading@10: /* Interlaced CBPCY VLC tables (Table 124 - Table 131) */ yading@10: extern const uint16_t ff_vc1_icbpcy_p_codes[8][63]; yading@10: extern const uint8_t ff_vc1_icbpcy_p_bits[8][63]; yading@10: yading@10: /* MacroBlock Transform Type: 7.1.3.11, p89 yading@10: * 8x8:B yading@10: * 8x4:B:btm 8x4:B:top 8x4:B:both, yading@10: * 4x8:B:right 4x8:B:left 4x8:B:both yading@10: * 4x4:B 8x8:MB yading@10: * 8x4:MB:btm 8x4:MB:top 8x4,MB,both yading@10: * 4x8,MB,right 4x8,MB,left yading@10: * 4x4,MB */ yading@10: extern const uint16_t ff_vc1_ttmb_codes[3][16]; yading@10: yading@10: extern const uint8_t ff_vc1_ttmb_bits[3][16]; yading@10: yading@10: /* TTBLK (Transform Type per Block) tables */ yading@10: extern const uint8_t ff_vc1_ttblk_codes[3][8]; yading@10: extern const uint8_t ff_vc1_ttblk_bits[3][8]; yading@10: yading@10: /* SUBBLKPAT tables, p93-94, reordered */ yading@10: extern const uint8_t ff_vc1_subblkpat_codes[3][15]; yading@10: extern const uint8_t ff_vc1_subblkpat_bits[3][15]; yading@10: yading@10: /* MV differential tables, p265 */ yading@10: extern const uint16_t ff_vc1_mv_diff_codes[4][73]; yading@10: extern const uint8_t ff_vc1_mv_diff_bits[4][73]; yading@10: yading@10: /* Interlaced frame picture MBMODE VLC tables (p. 246, p. 360) */ yading@10: extern const uint16_t ff_vc1_intfr_4mv_mbmode_codes[4][15]; yading@10: extern const uint8_t ff_vc1_intfr_4mv_mbmode_bits[4][15]; yading@10: extern const uint8_t ff_vc1_intfr_non4mv_mbmode_codes[4][9]; yading@10: extern const uint8_t ff_vc1_intfr_non4mv_mbmode_bits[4][9]; yading@10: yading@10: /* Interlaced field picture MBMODE VLC tables (p. 356 - 11.4.1, 11.4.2) */ yading@10: extern const uint8_t ff_vc1_if_mmv_mbmode_codes[8][8]; yading@10: extern const uint8_t ff_vc1_if_mmv_mbmode_bits[8][8]; yading@10: extern const uint8_t ff_vc1_if_1mv_mbmode_codes[8][6]; yading@10: extern const uint8_t ff_vc1_if_1mv_mbmode_bits[8][6]; yading@10: yading@10: /* Interlaced frame/field picture MVDATA VLC tables */ yading@10: /* 1-reference tables */ yading@10: extern const uint32_t ff_vc1_1ref_mvdata_codes[4][72]; yading@10: extern const uint8_t ff_vc1_1ref_mvdata_bits[4][72]; yading@10: /* 2-reference tables */ yading@10: extern const uint32_t ff_vc1_2ref_mvdata_codes[8][126]; yading@10: extern const uint8_t ff_vc1_2ref_mvdata_bits[8][126]; yading@10: yading@10: /* DC differentials low+hi-mo, p217 are the same as in msmpeg4data .h */ yading@10: yading@10: /* Scantables/ZZ scan are at 11.9 (p262) and 8.1.1.12 (p10) */ yading@10: extern const uint8_t ff_vc1_simple_progressive_4x4_zz [16]; yading@10: extern const uint8_t ff_vc1_adv_progressive_8x4_zz [32]; yading@10: extern const uint8_t ff_vc1_adv_progressive_4x8_zz [32]; yading@10: extern const uint8_t ff_vc1_adv_interlaced_8x8_zz [64]; yading@10: extern const uint8_t ff_vc1_adv_interlaced_8x4_zz [32]; yading@10: extern const uint8_t ff_vc1_adv_interlaced_4x8_zz [32]; yading@10: extern const uint8_t ff_vc1_adv_interlaced_4x4_zz [16]; yading@10: extern const uint8_t ff_vc1_intra_horz_8x8_zz [64]; yading@10: extern const uint8_t ff_vc1_intra_vert_8x8_zz [64]; yading@10: yading@10: /* DQScale as specified in 8.1.3.9 - almost identical to 0x40000/i */ yading@10: extern const int32_t ff_vc1_dqscale[63]; yading@10: yading@10: /* P Interlaced field picture MV predictor scaling values (Table 114) */ yading@10: extern const uint16_t ff_vc1_field_mvpred_scales[2][7][4]; yading@10: /* B Interlaced field picture backward MV predictor scaling values for first field (Table 115) */ yading@10: extern const uint16_t ff_vc1_b_field_mvpred_scales[7][4]; yading@10: yading@10: #define AC_MODES 8 yading@10: yading@10: extern const int ff_vc1_ac_sizes[AC_MODES]; yading@10: yading@10: #endif /* AVCODEC_VC1DATA_H */