| /* |
| * AC-3 tables |
| * Copyright (c) 2000, 2001, 2002 Fabrice Bellard |
| * |
| * 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 |
| */ |
| |
| #ifndef AVCODEC_AC3TAB_H |
| #define AVCODEC_AC3TAB_H |
| |
| #include <stdint.h> |
| |
| #include "ac3defs.h" |
| |
| extern const uint16_t ff_ac3_frame_size_tab[38][3]; |
| extern const uint8_t ff_ac3_channels_tab[8]; |
| extern const uint16_t ff_ac3_channel_layout_tab[8]; |
| extern const uint8_t ff_ac3_dec_channel_map[8][2][6]; |
| extern const int ff_ac3_sample_rate_tab[]; |
| extern const uint16_t ff_ac3_bitrate_tab[19]; |
| extern const uint8_t ff_ac3_rematrix_band_tab[5]; |
| extern const uint8_t ff_eac3_default_cpl_band_struct[18]; |
| extern const uint8_t ff_ac3_bap_tab[64]; |
| extern const uint8_t ff_ac3_slow_decay_tab[4]; |
| extern const uint8_t ff_ac3_fast_decay_tab[4]; |
| extern const uint16_t ff_ac3_slow_gain_tab[4]; |
| extern const uint16_t ff_ac3_db_per_bit_tab[4]; |
| extern const int16_t ff_ac3_floor_tab[8]; |
| extern const uint16_t ff_ac3_fast_gain_tab[8]; |
| extern const uint8_t ff_ac3_band_start_tab[AC3_CRITICAL_BANDS+1]; |
| extern const uint8_t ff_ac3_bin_to_band_tab[253]; |
| extern const uint64_t ff_eac3_custom_channel_map_locations[16][2]; |
| |
| |
| /** Custom channel map locations bitmask |
| * Other channels described in documentation: |
| * Lc/Rc pair, Lrs/Rrs pair, Ts, Lsd/Rsd pair, |
| * Lw/Rw pair, Lvh/Rvh pair, Cvh, Reserved, LFE2 |
| */ |
| enum CustomChannelMapLocation{ |
| AC3_CHMAP_L= 1<<(15-0), |
| AC3_CHMAP_C= 1<<(15-1), |
| AC3_CHMAP_R= 1<<(15-2), |
| AC3_CHMAP_L_SUR= 1<<(15-3), |
| AC3_CHMAP_R_SUR = 1<<(15-4), |
| AC3_CHMAP_C_SUR= 1<<(15-7), |
| AC3_CHMAP_LFE = 1<<(15-15) |
| }; |
| |
| #define COMMON_CHANNEL_MAP \ |
| { { 0, 1, }, { 0, 1, 2, } },\ |
| { { 0, }, { 0, 1, } },\ |
| { { 0, 1, }, { 0, 1, 2, } },\ |
| { { 0, 2, 1, }, { 0, 2, 1, 3, } },\ |
| { { 0, 1, 2, }, { 0, 1, 3, 2, } },\ |
| { { 0, 2, 1, 3, }, { 0, 2, 1, 4, 3, } }, |
| |
| #endif /* AVCODEC_AC3TAB_H */ |
