/*** This file is part of snapcast Copyright (C) 2014-2020 Johannes Pohl This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. ***/ #ifndef CONTROLLER_H #define CONTROLLER_H #include "client_connection.hpp" #include "client_settings.hpp" #include "decoder/decoder.hpp" #include "message/message.hpp" #include "message/server_settings.hpp" #include "message/stream_tags.hpp" #include "metadata.hpp" #include "player/player.hpp" #include "stream.hpp" #include <atomic> #include <thread> using namespace std::chrono_literals; /// Forwards PCM data to the audio player /** * Sets up a connection to the server (using ClientConnection) * Sets up the audio decoder and player. * Decodes audio (message_type::kWireChunk) and feeds PCM to the audio stream buffer * Does timesync with the server */ class Controller { public: Controller(boost::asio::io_context& io_context, const ClientSettings& settings, std::unique_ptr<MetadataAdapter> meta); void start(); // void stop(); private: using MdnsHandler = std::function<void(const boost::system::error_code& ec, const std::string& host, uint16_t port)>; void worker(); void reconnect(); void browseMdns(const MdnsHandler& handler); template <typename PlayerType> std::unique_ptr<Player> createPlayer(ClientSettings::Player& settings, const std::string& player_name); void getNextMessage(); void sendTimeSyncMessage(int quick_syncs); boost::asio::io_context& io_context_; boost::asio::steady_timer timer_; ClientSettings settings_; std::string meta_callback_; SampleFormat sampleFormat_; std::unique_ptr<ClientConnection> clientConnection_; std::shared_ptr<Stream> stream_; std::unique_ptr<decoder::Decoder> decoder_; std::unique_ptr<Player> player_; std::unique_ptr<MetadataAdapter> meta_; std::unique_ptr<msg::ServerSettings> serverSettings_; std::unique_ptr<msg::CodecHeader> headerChunk_; }; #endif