/*
  * MLP parser prototypes
  * Copyright (c) 2007 Ian Caulfield
  *
  * 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
  */
 
 /**

  * @file

  * MLP parser prototypes
  */
 

 #ifndef AVCODEC_MLP_PARSER_H
 #define AVCODEC_MLP_PARSER_H

 #include "get_bits.h"

 typedef struct MLPHeaderInfo
 {

     int stream_type;                        ///< 0xBB for MLP, 0xBA for TrueHD

     int group1_bits;                        ///< The bit depth of the first substream
     int group2_bits;                        ///< Bit depth of the second substream (MLP only)

     int group1_samplerate;                  ///< Sample rate of first substream
     int group2_samplerate;                  ///< Sample rate of second substream (MLP only)

     int channel_arrangement;

     int channel_modifier_thd_stream0;       ///< Channel modifier for substream 0 of TrueHD sreams ("2-channel presentation")
     int channel_modifier_thd_stream1;       ///< Channel modifier for substream 1 of TrueHD sreams ("6-channel presentation")
     int channel_modifier_thd_stream2;       ///< Channel modifier for substream 2 of TrueHD sreams ("8-channel presentation")
 

     int channels_mlp;                       ///< Channel count for MLP streams
     int channels_thd_stream1;               ///< Channel count for substream 1 of TrueHD streams ("6-channel presentation")
     int channels_thd_stream2;               ///< Channel count for substream 2 of TrueHD streams ("8-channel presentation")
     uint64_t channel_layout_mlp;            ///< Channel layout for MLP streams
     uint64_t channel_layout_thd_stream1;    ///< Channel layout for substream 1 of TrueHD streams ("6-channel presentation")
     uint64_t channel_layout_thd_stream2;    ///< Channel layout for substream 2 of TrueHD streams ("8-channel presentation")

     int access_unit_size;                   ///< Number of samples per coded frame
     int access_unit_size_pow2;              ///< Next power of two above number of samples per frame

     int is_vbr;                             ///< Stream is VBR instead of CBR
     int peak_bitrate;                       ///< Peak bitrate for VBR, actual bitrate (==peak) for CBR

     int num_substreams;                     ///< Number of substreams within stream

 } MLPHeaderInfo;
 
 

 int ff_mlp_read_major_sync(void *log, MLPHeaderInfo *mh, GetBitContext *gb);

 uint64_t ff_truehd_layout(int chanmap);

 
 extern const uint64_t ff_mlp_layout[32];

 #endif /* AVCODEC_MLP_PARSER_H */