| /* | |
| * VC-1 and WMV3 decoder | |
| * copyright (c) 2006 Konstantin Shishkov | |
| * (c) 2005 anonymous, Alex Beregszaszi, Michael Niedermayer | |
| * | |
| * This file is part of FFmpeg. | |
| * | |
| * FFmpeg is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU Lesser General Public | |
| * License as published by the Free Software Foundation; either | |
| * version 2.1 of the License, or (at your option) any later version. | |
| * | |
| * FFmpeg is distributed in the hope that it will be useful, | |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| * Lesser General Public License for more details. | |
| * | |
| * You should have received a copy of the GNU Lesser General Public | |
| * License along with FFmpeg; if not, write to the Free Software | |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| */ | |
| /** | |
| * @file | |
| * VC-1 tables. | |
| */ | |
| #ifndef AVCODEC_VC1DATA_H | |
| #define AVCODEC_VC1DATA_H | |
| #include <stdint.h> | |
| #include "libavutil/attributes_internal.h" | |
| #include "libavutil/rational.h" | |
| #include "vlc.h" | |
| FF_VISIBILITY_PUSH_HIDDEN | |
| /** Table for conversion between TTBLK and TTMB */ | |
| extern const int ff_vc1_ttblk_to_tt[3][8]; | |
| extern const int ff_vc1_ttfrm_to_tt[4]; | |
| /** MV P mode - the 5th element is only used for mode 1 */ | |
| extern const uint8_t ff_vc1_mv_pmode_table[2][5]; | |
| extern const uint8_t ff_vc1_mv_pmode_table2[2][4]; | |
| extern const int ff_vc1_fps_nr[7], ff_vc1_fps_dr[2]; | |
| extern const uint8_t ff_vc1_pquant_table[3][32]; | |
| /* MBMODE table for interlaced frame P-picture */ | |
| extern const uint8_t ff_vc1_mbmode_intfrp[2][15][4]; | |
| /** @name VC-1 VLC tables and defines | |
| * @todo TODO move this into the context | |
| */ | |
| //@{ | |
| #define VC1_IMODE_VLC_BITS 4 | |
| extern VLCElem ff_vc1_imode_vlc[1 << VC1_IMODE_VLC_BITS]; | |
| #define VC1_NORM2_VLC_BITS 3 | |
| extern VLCElem ff_vc1_norm2_vlc[1 << VC1_NORM2_VLC_BITS]; | |
| #define VC1_NORM6_VLC_BITS 9 | |
| extern VLCElem ff_vc1_norm6_vlc[556]; | |
| /* Could be optimized, one table only needs 8 bits */ | |
| #define VC1_TTMB_VLC_BITS 9 //12 | |
| extern const VLCElem *ff_vc1_ttmb_vlc[3]; | |
| #define VC1_MV_DIFF_VLC_BITS 9 //15 | |
| extern const VLCElem *ff_vc1_mv_diff_vlc[4]; | |
| #define VC1_CBPCY_P_VLC_BITS 9 //14 | |
| extern const VLCElem *ff_vc1_cbpcy_p_vlc[4]; | |
| #define VC1_ICBPCY_VLC_BITS 9 | |
| extern const VLCElem *ff_vc1_icbpcy_vlc[8]; | |
| #define VC1_4MV_BLOCK_PATTERN_VLC_BITS 6 | |
| extern const VLCElem *ff_vc1_4mv_block_pattern_vlc[4]; | |
| #define VC1_2MV_BLOCK_PATTERN_VLC_BITS 3 | |
| extern const VLCElem *ff_vc1_2mv_block_pattern_vlc[4]; | |
| #define VC1_TTBLK_VLC_BITS 5 | |
| extern const VLCElem *ff_vc1_ttblk_vlc[3]; | |
| #define VC1_SUBBLKPAT_VLC_BITS 6 | |
| extern const VLCElem *ff_vc1_subblkpat_vlc[3]; | |
| #define VC1_INTFR_4MV_MBMODE_VLC_BITS 9 | |
| extern const VLCElem *ff_vc1_intfr_4mv_mbmode_vlc[4]; | |
| #define VC1_INTFR_NON4MV_MBMODE_VLC_BITS 6 | |
| extern const VLCElem *ff_vc1_intfr_non4mv_mbmode_vlc[4]; | |
| #define VC1_IF_MMV_MBMODE_VLC_BITS 5 | |
| extern const VLCElem *ff_vc1_if_mmv_mbmode_vlc[8]; | |
| #define VC1_IF_1MV_MBMODE_VLC_BITS 5 | |
| extern const VLCElem *ff_vc1_if_1mv_mbmode_vlc[8]; | |
| #define VC1_1REF_MVDATA_VLC_BITS 9 | |
| extern const VLCElem *ff_vc1_1ref_mvdata_vlc[4]; | |
| #define VC1_2REF_MVDATA_VLC_BITS 9 | |
| extern const VLCElem *ff_vc1_2ref_mvdata_vlc[8]; | |
| extern const VLCElem *ff_vc1_ac_coeff_table[8]; | |
| #define VC1_IF_MBMODE_VLC_BITS 5 // as a placeholder for VC1_IF_MMV_MBMODE_VLC_BITS | |
| // or VC1_IF_1MV_MBMODE_VLC_BITS since they are the same | |
| //@} | |
| #define B_FRACTION_DEN 256 | |
| /* pre-computed scales for all bfractions and base=256 */ | |
| extern const int16_t ff_vc1_bfraction_lut[23]; | |
| //Same as H.264 | |
| extern const AVRational ff_vc1_pixel_aspect[16]; | |
| extern const uint8_t ff_wmv3_dc_scale_table[32]; | |
| /* DC differentials low+hi-mo, p217 are the same as in msmpeg4data .h */ | |
| /* Scantables/ZZ scan are at 11.9 (p262) and 8.1.1.12 (p10) */ | |
| extern const uint8_t ff_vc1_simple_progressive_4x4_zz [16]; | |
| extern const uint8_t ff_vc1_adv_progressive_8x4_zz [32]; | |
| extern const uint8_t ff_vc1_adv_progressive_4x8_zz [32]; | |
| extern const uint8_t ff_vc1_adv_interlaced_8x8_zz [64]; | |
| extern const uint8_t ff_vc1_adv_interlaced_8x4_zz [32]; | |
| extern const uint8_t ff_vc1_adv_interlaced_4x8_zz [32]; | |
| extern const uint8_t ff_vc1_adv_interlaced_4x4_zz [16]; | |
| /* DQScale as specified in 8.1.3.9 - almost identical to 0x40000/i */ | |
| extern const int32_t ff_vc1_dqscale[63]; | |
| /* P Interlaced field picture MV predictor scaling values (Table 114) */ | |
| extern const uint16_t ff_vc1_field_mvpred_scales[2][7][4]; | |
| /* B Interlaced field picture backward MV predictor scaling values for first field (Table 115) */ | |
| extern const uint16_t ff_vc1_b_field_mvpred_scales[7][4]; | |
| #define AC_MODES 8 | |
| extern const int ff_vc1_ac_sizes[AC_MODES]; | |
| FF_VISIBILITY_POP_HIDDEN | |
| #endif /* AVCODEC_VC1DATA_H */ |