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70 lines
2.6 KiB
70 lines
2.6 KiB
/* |
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* AC-3 tables |
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* Copyright (c) 2000, 2001, 2002 Fabrice Bellard |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg 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 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg 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 FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVCODEC_AC3TAB_H |
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#define AVCODEC_AC3TAB_H |
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#include <stdint.h> |
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#include "libavutil/internal.h" |
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#include "ac3.h" |
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#include "internal.h" |
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extern const uint16_t ff_ac3_frame_size_tab[38][3]; |
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extern const uint8_t ff_ac3_channels_tab[8]; |
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extern av_export_avcodec const uint16_t avpriv_ac3_channel_layout_tab[8]; |
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extern const uint8_t ff_ac3_enc_channel_map[8][2][6]; |
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extern const uint8_t ff_ac3_dec_channel_map[8][2][6]; |
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extern const int ff_ac3_sample_rate_tab[]; |
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extern const uint16_t ff_ac3_bitrate_tab[19]; |
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extern const uint8_t ff_ac3_rematrix_band_tab[5]; |
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extern const uint8_t ff_eac3_default_cpl_band_struct[18]; |
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extern const uint8_t ff_ac3_log_add_tab[260]; |
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extern const uint16_t ff_ac3_hearing_threshold_tab[AC3_CRITICAL_BANDS][3]; |
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extern const uint8_t ff_ac3_bap_tab[64]; |
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extern const uint8_t ff_ac3_slow_decay_tab[4]; |
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extern const uint8_t ff_ac3_fast_decay_tab[4]; |
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extern const uint16_t ff_ac3_slow_gain_tab[4]; |
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extern const uint16_t ff_ac3_db_per_bit_tab[4]; |
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extern const int16_t ff_ac3_floor_tab[8]; |
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extern const uint16_t ff_ac3_fast_gain_tab[8]; |
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extern const uint16_t ff_eac3_default_chmap[8]; |
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extern const uint8_t ff_ac3_band_start_tab[AC3_CRITICAL_BANDS+1]; |
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extern const uint8_t ff_ac3_bin_to_band_tab[253]; |
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extern const uint64_t ff_eac3_custom_channel_map_locations[16][2]; |
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/** Custom channel map locations bitmask |
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* Other channels described in documentation: |
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* Lc/Rc pair, Lrs/Rrs pair, Ts, Lsd/Rsd pair, |
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* Lw/Rw pair, Lvh/Rvh pair, Cvh, Reserved, LFE2 |
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*/ |
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enum CustomChannelMapLocation{ |
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AC3_CHMAP_L= 1<<(15-0), |
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AC3_CHMAP_C= 1<<(15-1), |
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AC3_CHMAP_R= 1<<(15-2), |
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AC3_CHMAP_L_SUR= 1<<(15-3), |
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AC3_CHMAP_R_SUR = 1<<(15-4), |
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AC3_CHMAP_C_SUR= 1<<(15-7), |
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AC3_CHMAP_LFE = 1<<(15-15) |
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}; |
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#endif /* AVCODEC_AC3TAB_H */
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