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FFmpeg/libavcodec/ac3tab.h

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  1. /*

  2.  * AC3 tables

  3.  * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.

  4.  *

  5.  * This file is part of FFmpeg.

  6.  *

  7.  * FFmpeg is free software; you can redistribute it and/or

  8.  * modify it under the terms of the GNU Lesser General Public

  9.  * License as published by the Free Software Foundation; either

  10.  * version 2.1 of the License, or (at your option) any later version.

  11.  *

  12.  * FFmpeg is distributed in the hope that it will be useful,

  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  15.  * Lesser General Public License for more details.

  16.  *

  17.  * You should have received a copy of the GNU Lesser General Public

  18.  * License along with FFmpeg; if not, write to the Free Software

  19.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  20.  */

  21. 

  22. #ifndef FFMPEG_AC3TAB_H

  23. #define FFMPEG_AC3TAB_H

  24. 

  25. #include "common.h"

  26. 

  27. extern const uint16_t ff_ac3_frame_size_tab[38][3];

  28. extern const uint8_t  ff_ac3_channels_tab[8];

  29. extern const uint16_t ff_ac3_sample_rate_tab[3];

  30. extern const uint16_t ff_ac3_bitrate_tab[19];

  31. extern const int16_t  ff_ac3_window[256];

  32. extern const uint8_t  ff_ac3_log_add_tab[260];

  33. extern const uint16_t ff_ac3_hearing_threshold_tab[50][3];

  34. extern const uint8_t  ff_ac3_bap_tab[64];

  35. extern const uint8_t  ff_ac3_slow_decay_tab[4];

  36. extern const uint8_t  ff_ac3_fast_decay_tab[4];

  37. extern const uint16_t ff_ac3_slow_gain_tab[4];

  38. extern const uint16_t ff_ac3_db_per_bit_tab[4];

  39. extern const int16_t  ff_ac3_floor_tab[8];

  40. extern const uint16_t ff_ac3_fast_gain_tab[8];

  41. extern const uint8_t  ff_ac3_critical_band_size_tab[50];

  42. 

  43. #endif /* FFMPEG_AC3TAB_H */