/* * 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 <stdint.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