yading@10: /*
yading@10:  * AC-3 tables
yading@10:  * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: #ifndef AVCODEC_AC3TAB_H
yading@10: #define AVCODEC_AC3TAB_H
yading@10: 
yading@10: #include "libavutil/common.h"
yading@10: #include "ac3.h"
yading@10: 
yading@10: #if CONFIG_HARDCODED_TABLES
yading@10: #   define HCONST const
yading@10: #else
yading@10: #   define HCONST
yading@10: #endif
yading@10: 
yading@10: extern const uint16_t ff_ac3_frame_size_tab[38][3];
yading@10: extern const uint8_t  ff_ac3_channels_tab[8];
yading@10: extern av_export const uint16_t avpriv_ac3_channel_layout_tab[8];
yading@10: extern const uint8_t  ff_ac3_enc_channel_map[8][2][6];
yading@10: extern const uint8_t  ff_ac3_dec_channel_map[8][2][6];
yading@10: extern const uint16_t ff_ac3_sample_rate_tab[3];
yading@10: extern const uint16_t ff_ac3_bitrate_tab[19];
yading@10: extern const uint8_t  ff_ac3_rematrix_band_tab[5];
yading@10: extern const uint8_t  ff_eac3_default_cpl_band_struct[18];
yading@10: extern const int16_t  ff_ac3_window[AC3_WINDOW_SIZE/2];
yading@10: extern const uint8_t  ff_ac3_log_add_tab[260];
yading@10: extern const uint16_t ff_ac3_hearing_threshold_tab[AC3_CRITICAL_BANDS][3];
yading@10: extern const uint8_t  ff_ac3_bap_tab[64];
yading@10: extern const uint8_t  ff_ac3_slow_decay_tab[4];
yading@10: extern const uint8_t  ff_ac3_fast_decay_tab[4];
yading@10: extern const uint16_t ff_ac3_slow_gain_tab[4];
yading@10: extern const uint16_t ff_ac3_db_per_bit_tab[4];
yading@10: extern const int16_t  ff_ac3_floor_tab[8];
yading@10: extern const uint16_t ff_ac3_fast_gain_tab[8];
yading@10: extern const uint16_t ff_eac3_default_chmap[8];
yading@10: extern const uint8_t  ff_ac3_band_start_tab[AC3_CRITICAL_BANDS+1];
yading@10: extern HCONST uint8_t ff_ac3_bin_to_band_tab[253];
yading@10: 
yading@10: /** Custom channel map locations bitmask
yading@10:  *  Other channels described in documentation:
yading@10:  *      Lc/Rc pair, Lrs/Rrs pair, Ts, Lsd/Rsd pair,
yading@10:  *      Lw/Rw pair, Lvh/Rvh pair, Cvh, Reserved, LFE2
yading@10:  */
yading@10: enum CustomChannelMapLocation{
yading@10:     AC3_CHMAP_L=        1<<(15-0),
yading@10:     AC3_CHMAP_C=        1<<(15-1),
yading@10:     AC3_CHMAP_R=        1<<(15-2),
yading@10:     AC3_CHMAP_L_SUR=    1<<(15-3),
yading@10:     AC3_CHMAP_R_SUR =   1<<(15-4),
yading@10:     AC3_CHMAP_C_SUR=    1<<(15-7),
yading@10:     AC3_CHMAP_LFE =     1<<(15-15)
yading@10: };
yading@10: 
yading@10: #endif /* AVCODEC_AC3TAB_H */