/*
  * Copyright (C) 2016 foo86
  *
  * 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_DCA_EXSS_H
 #define AVCODEC_DCA_EXSS_H
 
 #include "libavutil/common.h"
 
 #include "avcodec.h"
 #include "get_bits.h"
 
 typedef struct DCAExssAsset {
     int     asset_offset;   ///< Offset to asset data from start of substream
     int     asset_size;     ///< Size of encoded asset data
     int     asset_index;    ///< Audio asset identifier
 
     int     pcm_bit_res;                ///< PCM bit resolution
     int     max_sample_rate;            ///< Maximum sample rate
     int     nchannels_total;            ///< Total number of channels
     int     one_to_one_map_ch_to_spkr;  ///< One to one channel to speaker mapping flag
     int     embedded_stereo;            ///< Embedded stereo flag
     int     embedded_6ch;               ///< Embedded 6 channels flag
     int     spkr_mask_enabled;          ///< Speaker mask enabled flag
     int     spkr_mask;                  ///< Loudspeaker activity mask
     int     representation_type;        ///< Representation type
 
     int     coding_mode;        ///< Coding mode for the asset
     int     extension_mask;     ///< Coding components used in asset
 
     int     core_offset;    ///< Offset to core component from start of substream
     int     core_size;      ///< Size of core component in extension substream
 
     int     xbr_offset;     ///< Offset to XBR extension from start of substream
     int     xbr_size;       ///< Size of XBR extension in extension substream
 
     int     xxch_offset;    ///< Offset to XXCH extension from start of substream
     int     xxch_size;      ///< Size of XXCH extension in extension substream
 
     int     x96_offset;     ///< Offset to X96 extension from start of substream
     int     x96_size;       ///< Size of X96 extension in extension substream
 
     int     lbr_offset;     ///< Offset to LBR component from start of substream
     int     lbr_size;       ///< Size of LBR component in extension substream
 
     int     xll_offset;         ///< Offset to XLL data from start of substream
     int     xll_size;           ///< Size of XLL data in extension substream
     int     xll_sync_present;   ///< XLL sync word present flag
     int     xll_delay_nframes;  ///< Initial XLL decoding delay in frames
     int     xll_sync_offset;    ///< Number of bytes offset to XLL sync
 
     int     hd_stream_id;   ///< DTS-HD stream ID
 } DCAExssAsset;
 
 typedef struct DCAExssParser {
     AVCodecContext  *avctx;
     GetBitContext   gb;
 
     int     exss_index;         ///< Extension substream index
     int     exss_size_nbits;    ///< Number of bits for extension substream size
     int     exss_size;          ///< Number of bytes of extension substream
 
     int     static_fields_present;  ///< Per stream static fields presence flag
     int     npresents;  ///< Number of defined audio presentations
     int     nassets;    ///< Number of audio assets in extension substream
 
     int     mix_metadata_enabled;   ///< Mixing metadata enable flag
     int     nmixoutconfigs;         ///< Number of mixing configurations
     int     nmixoutchs[4];          ///< Speaker layout mask for mixer output channels
 
     DCAExssAsset   assets[1];    ///< Audio asset descriptors
 } DCAExssParser;
 

 int ff_dca_exss_parse(DCAExssParser *s, const uint8_t *data, int size);

 
 #endif