Subversion Repositories Kolibri OS

Rev

Blame | Last modification | View Log | RSS feed

  1. /*
  2.  * E-AC-3 encoder
  3.  * Copyright (c) 2011 Justin Ruggles <justin.ruggles@gmail.com>
  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. /**
  23.  * @file
  24.  * E-AC-3 encoder
  25.  */
  26.  
  27. #ifndef AVCODEC_EAC3ENC_H
  28. #define AVCODEC_EAC3ENC_H
  29.  
  30. #include "ac3enc.h"
  31.  
  32. /**
  33.  * Initialize E-AC-3 exponent tables.
  34.  */
  35. void ff_eac3_exponent_init(void);
  36.  
  37. /**
  38.  * Determine frame exponent strategy use and indices.
  39.  */
  40. void ff_eac3_get_frame_exp_strategy(AC3EncodeContext *s);
  41.  
  42. /**
  43.  * Set coupling states.
  44.  * This determines whether certain flags must be written to the bitstream or
  45.  * whether they will be implicitly already known by the decoder.
  46.  */
  47. void ff_eac3_set_cpl_states(AC3EncodeContext *s);
  48.  
  49. /**
  50.  * Write the E-AC-3 frame header to the output bitstream.
  51.  */
  52. void ff_eac3_output_frame_header(AC3EncodeContext *s);
  53.  
  54. #endif /* AVCODEC_EAC3ENC_H */
  55.