From 150c9823e71a161e97003849cf8b2f55b21520bd Mon Sep 17 00:00:00 2001 From: Tim Redfern Date: Mon, 26 Aug 2013 15:10:18 +0100 Subject: adding ffmpeg specific version --- ffmpeg1/libavcodec/ac3tab.h | 72 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 ffmpeg1/libavcodec/ac3tab.h (limited to 'ffmpeg1/libavcodec/ac3tab.h') diff --git a/ffmpeg1/libavcodec/ac3tab.h b/ffmpeg1/libavcodec/ac3tab.h new file mode 100644 index 0000000..c41a93e --- /dev/null +++ b/ffmpeg1/libavcodec/ac3tab.h @@ -0,0 +1,72 @@ +/* + * 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 "libavutil/common.h" +#include "ac3.h" + +#if CONFIG_HARDCODED_TABLES +# define HCONST const +#else +# define HCONST +#endif + +extern const uint16_t ff_ac3_frame_size_tab[38][3]; +extern const uint8_t ff_ac3_channels_tab[8]; +extern av_export const uint16_t avpriv_ac3_channel_layout_tab[8]; +extern const uint8_t ff_ac3_enc_channel_map[8][2][6]; +extern const uint8_t ff_ac3_dec_channel_map[8][2][6]; +extern const uint16_t ff_ac3_sample_rate_tab[3]; +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 int16_t ff_ac3_window[AC3_WINDOW_SIZE/2]; +extern const uint8_t ff_ac3_log_add_tab[260]; +extern const uint16_t ff_ac3_hearing_threshold_tab[AC3_CRITICAL_BANDS][3]; +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 uint16_t ff_eac3_default_chmap[8]; +extern const uint8_t ff_ac3_band_start_tab[AC3_CRITICAL_BANDS+1]; +extern HCONST uint8_t ff_ac3_bin_to_band_tab[253]; + +/** 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) +}; + +#endif /* AVCODEC_AC3TAB_H */ -- cgit v1.2.3