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C++

/*
* MPD DVD-Audio Decoder plugin
* Copyright (c) 2014-2025 Maxim V.Anisiutkin <maxim.anisiutkin@gmail.com>
*
* DVD-Audio Decoder 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.
*
* DVD-Audio Decoder 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
*/
#pragma once
#include "audio_track.h"
#include "audio_stream.h"
#include "stream_buffer.h"
#include "dvda_reader.h"
#include "dvda_filesystem.h"
#include "dvda_zone.h"
#include <memory>
class dvda_disc_t : public dvda_reader_t {
private:
dvda_media_t* dvda_media;
std::unique_ptr<dvda_filesystem_t> dvda_filesystem;
std::unique_ptr<dvda_zone_t> dvda_zone;
track_list_t track_list;
stream_buffer_t<uint8_t, int> track_stream;
std::vector<uint8_t> ps1_data;
std::unique_ptr<audio_stream_t> audio_stream;
audio_track_t audio_track;
uint64_t stream_size;
double stream_duration;
sub_header_t stream_ps1_info;
uint32_t stream_block_current;
bool stream_downmix;
bool stream_needs_reinit;
bool major_sync_0;
unsigned stream_channel_map;
int stream_channels;
int stream_bits;
int stream_samplerate;
int sel_titleset_index;
int sel_track_index;
size_t sel_track_offset;
uint32_t sel_track_length_lsn;
public:
dvda_disc_t();
~dvda_disc_t();
dvda_filesystem_t* get_filesystem();
audio_track_t get_track(uint32_t track_index);
uint32_t get_tracks() override;
uint32_t get_channels() override;
uint32_t get_loudspeaker_config() override;
uint32_t get_samplerate() override;
double get_duration() override;
double get_duration(uint32_t track_index) override;
bool can_downmix() override;
void get_info(uint32_t track_index, bool downmix, TagHandler& handler) override;
uint32_t get_track_length_lsn();
bool open(dvda_media_t* dvda_media) override;
bool close() override;
bool select_track(uint32_t track_index, size_t offset = 0) override;
bool get_downmix() override;
bool set_downmix(bool downmix) override;
bool read_frame(uint8_t* frame_data, size_t* frame_size) override;
bool seek(double seconds) override;
private:
bool create_audio_stream(sub_header_t& p_ps1_info, uint8_t* p_buf, int p_buf_size, bool p_downmix);
void stream_buffer_read();
};