1cabdff1aSopenharmony_ci/* 2cabdff1aSopenharmony_ci * AC-3 tables 3cabdff1aSopenharmony_ci * Copyright (c) 2000, 2001, 2002 Fabrice Bellard 4cabdff1aSopenharmony_ci * 5cabdff1aSopenharmony_ci * This file is part of FFmpeg. 6cabdff1aSopenharmony_ci * 7cabdff1aSopenharmony_ci * FFmpeg is free software; you can redistribute it and/or 8cabdff1aSopenharmony_ci * modify it under the terms of the GNU Lesser General Public 9cabdff1aSopenharmony_ci * License as published by the Free Software Foundation; either 10cabdff1aSopenharmony_ci * version 2.1 of the License, or (at your option) any later version. 11cabdff1aSopenharmony_ci * 12cabdff1aSopenharmony_ci * FFmpeg is distributed in the hope that it will be useful, 13cabdff1aSopenharmony_ci * but WITHOUT ANY WARRANTY; without even the implied warranty of 14cabdff1aSopenharmony_ci * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15cabdff1aSopenharmony_ci * Lesser General Public License for more details. 16cabdff1aSopenharmony_ci * 17cabdff1aSopenharmony_ci * You should have received a copy of the GNU Lesser General Public 18cabdff1aSopenharmony_ci * License along with FFmpeg; if not, write to the Free Software 19cabdff1aSopenharmony_ci * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20cabdff1aSopenharmony_ci */ 21cabdff1aSopenharmony_ci 22cabdff1aSopenharmony_ci#ifndef AVCODEC_AC3TAB_H 23cabdff1aSopenharmony_ci#define AVCODEC_AC3TAB_H 24cabdff1aSopenharmony_ci 25cabdff1aSopenharmony_ci#include <stdint.h> 26cabdff1aSopenharmony_ci 27cabdff1aSopenharmony_ci#include "ac3defs.h" 28cabdff1aSopenharmony_ci 29cabdff1aSopenharmony_ciextern const uint16_t ff_ac3_frame_size_tab[38][3]; 30cabdff1aSopenharmony_ciextern const uint8_t ff_ac3_channels_tab[8]; 31cabdff1aSopenharmony_ciextern const uint16_t ff_ac3_channel_layout_tab[8]; 32cabdff1aSopenharmony_ciextern const uint8_t ff_ac3_dec_channel_map[8][2][6]; 33cabdff1aSopenharmony_ciextern const int ff_ac3_sample_rate_tab[]; 34cabdff1aSopenharmony_ciextern const uint16_t ff_ac3_bitrate_tab[19]; 35cabdff1aSopenharmony_ciextern const uint8_t ff_ac3_rematrix_band_tab[5]; 36cabdff1aSopenharmony_ciextern const uint8_t ff_eac3_default_cpl_band_struct[18]; 37cabdff1aSopenharmony_ciextern const uint8_t ff_ac3_bap_tab[64]; 38cabdff1aSopenharmony_ciextern const uint8_t ff_ac3_slow_decay_tab[4]; 39cabdff1aSopenharmony_ciextern const uint8_t ff_ac3_fast_decay_tab[4]; 40cabdff1aSopenharmony_ciextern const uint16_t ff_ac3_slow_gain_tab[4]; 41cabdff1aSopenharmony_ciextern const uint16_t ff_ac3_db_per_bit_tab[4]; 42cabdff1aSopenharmony_ciextern const int16_t ff_ac3_floor_tab[8]; 43cabdff1aSopenharmony_ciextern const uint16_t ff_ac3_fast_gain_tab[8]; 44cabdff1aSopenharmony_ciextern const uint8_t ff_ac3_band_start_tab[AC3_CRITICAL_BANDS+1]; 45cabdff1aSopenharmony_ciextern const uint8_t ff_ac3_bin_to_band_tab[253]; 46cabdff1aSopenharmony_ciextern const uint64_t ff_eac3_custom_channel_map_locations[16][2]; 47cabdff1aSopenharmony_ci 48cabdff1aSopenharmony_ci 49cabdff1aSopenharmony_ci/** Custom channel map locations bitmask 50cabdff1aSopenharmony_ci * Other channels described in documentation: 51cabdff1aSopenharmony_ci * Lc/Rc pair, Lrs/Rrs pair, Ts, Lsd/Rsd pair, 52cabdff1aSopenharmony_ci * Lw/Rw pair, Lvh/Rvh pair, Cvh, Reserved, LFE2 53cabdff1aSopenharmony_ci */ 54cabdff1aSopenharmony_cienum CustomChannelMapLocation{ 55cabdff1aSopenharmony_ci AC3_CHMAP_L= 1<<(15-0), 56cabdff1aSopenharmony_ci AC3_CHMAP_C= 1<<(15-1), 57cabdff1aSopenharmony_ci AC3_CHMAP_R= 1<<(15-2), 58cabdff1aSopenharmony_ci AC3_CHMAP_L_SUR= 1<<(15-3), 59cabdff1aSopenharmony_ci AC3_CHMAP_R_SUR = 1<<(15-4), 60cabdff1aSopenharmony_ci AC3_CHMAP_C_SUR= 1<<(15-7), 61cabdff1aSopenharmony_ci AC3_CHMAP_LFE = 1<<(15-15) 62cabdff1aSopenharmony_ci}; 63cabdff1aSopenharmony_ci 64cabdff1aSopenharmony_ci#define COMMON_CHANNEL_MAP \ 65cabdff1aSopenharmony_ci { { 0, 1, }, { 0, 1, 2, } },\ 66cabdff1aSopenharmony_ci { { 0, }, { 0, 1, } },\ 67cabdff1aSopenharmony_ci { { 0, 1, }, { 0, 1, 2, } },\ 68cabdff1aSopenharmony_ci { { 0, 2, 1, }, { 0, 2, 1, 3, } },\ 69cabdff1aSopenharmony_ci { { 0, 1, 2, }, { 0, 1, 3, 2, } },\ 70cabdff1aSopenharmony_ci { { 0, 2, 1, 3, }, { 0, 2, 1, 4, 3, } }, 71cabdff1aSopenharmony_ci 72cabdff1aSopenharmony_ci#endif /* AVCODEC_AC3TAB_H */ 73