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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * AC-3 tables |
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| 3 | * Copyright (c) 2000, 2001, 2002 Fabrice Bellard |
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| 4 | * |
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| 5 | * This file is part of FFmpeg. |
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| 6 | * |
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| 7 | * FFmpeg is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU Lesser General Public |
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| 9 | * License as published by the Free Software Foundation; either |
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| 10 | * version 2.1 of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * FFmpeg is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | * Lesser General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU Lesser General Public |
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| 18 | * License along with FFmpeg; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 20 | */ |
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| 21 | |||
| 22 | #ifndef AVCODEC_AC3TAB_H |
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| 23 | #define AVCODEC_AC3TAB_H |
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| 24 | |||
| 25 | #include "libavutil/common.h" |
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| 26 | #include "ac3.h" |
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| 27 | |||
| 28 | #if CONFIG_HARDCODED_TABLES |
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| 29 | # define HCONST const |
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| 30 | #else |
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| 31 | # define HCONST |
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| 32 | #endif |
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| 33 | |||
| 34 | extern const uint16_t ff_ac3_frame_size_tab[38][3]; |
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| 35 | extern const uint8_t ff_ac3_channels_tab[8]; |
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| 36 | extern av_export const uint16_t avpriv_ac3_channel_layout_tab[8]; |
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| 37 | extern const uint8_t ff_ac3_enc_channel_map[8][2][6]; |
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| 38 | extern const uint8_t ff_ac3_dec_channel_map[8][2][6]; |
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| 39 | extern const uint16_t ff_ac3_sample_rate_tab[3]; |
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| 40 | extern const uint16_t ff_ac3_bitrate_tab[19]; |
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| 41 | extern const uint8_t ff_ac3_rematrix_band_tab[5]; |
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| 42 | extern const uint8_t ff_eac3_default_cpl_band_struct[18]; |
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| 43 | extern const int16_t ff_ac3_window[AC3_WINDOW_SIZE/2]; |
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| 44 | extern const uint8_t ff_ac3_log_add_tab[260]; |
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| 45 | extern const uint16_t ff_ac3_hearing_threshold_tab[AC3_CRITICAL_BANDS][3]; |
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| 46 | extern const uint8_t ff_ac3_bap_tab[64]; |
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| 47 | extern const uint8_t ff_ac3_slow_decay_tab[4]; |
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| 48 | extern const uint8_t ff_ac3_fast_decay_tab[4]; |
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| 49 | extern const uint16_t ff_ac3_slow_gain_tab[4]; |
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| 50 | extern const uint16_t ff_ac3_db_per_bit_tab[4]; |
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| 51 | extern const int16_t ff_ac3_floor_tab[8]; |
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| 52 | extern const uint16_t ff_ac3_fast_gain_tab[8]; |
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| 53 | extern const uint16_t ff_eac3_default_chmap[8]; |
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| 54 | extern const uint8_t ff_ac3_band_start_tab[AC3_CRITICAL_BANDS+1]; |
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| 55 | extern HCONST uint8_t ff_ac3_bin_to_band_tab[253]; |
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| 56 | |||
| 57 | /** Custom channel map locations bitmask |
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| 58 | * Other channels described in documentation: |
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| 59 | * Lc/Rc pair, Lrs/Rrs pair, Ts, Lsd/Rsd pair, |
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| 60 | * Lw/Rw pair, Lvh/Rvh pair, Cvh, Reserved, LFE2 |
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| 61 | */ |
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| 62 | enum CustomChannelMapLocation{ |
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| 63 | AC3_CHMAP_L= 1<<(15-0), |
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| 64 | AC3_CHMAP_C= 1<<(15-1), |
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| 65 | AC3_CHMAP_R= 1<<(15-2), |
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| 66 | AC3_CHMAP_L_SUR= 1<<(15-3), |
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| 67 | AC3_CHMAP_R_SUR = 1<<(15-4), |
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| 68 | AC3_CHMAP_C_SUR= 1<<(15-7), |
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| 69 | AC3_CHMAP_LFE = 1<<(15-15) |
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| 70 | }; |
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| 71 | |||
| 72 | #endif /* AVCODEC_AC3TAB_H */ |