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/***
This file is part of snapcast
Copyright (C) 2014-2025 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/>.
***/
#pragma once
// local headers
#include "client_connection.hpp"
#include "client_settings.hpp"
#include "common/message/server_settings.hpp"
#include "decoder/decoder.hpp"
#include "player/player.hpp"
#include "stream.hpp"
// 3rd party headers
// standard headers
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:
/// c'tor
Controller(boost::asio::io_context& io_context, const ClientSettings& settings);
/// Start thw work
void start();
// void stop();
/// @return list of supported audio backends
static std::vector<std::string> getSupportedPlayerNames();
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::Player> createPlayer(ClientSettings::Player& settings, const std::string& player_name);
void getNextMessage();
void sendTimeSyncMessage(int quick_syncs);
boost::asio::io_context& io_context_;
#ifdef HAS_OPENSSL
boost::asio::ssl::context ssl_context_;
#endif
boost::asio::steady_timer timer_;
ClientSettings settings_;
SampleFormat sampleFormat_;
std::unique_ptr<ClientConnection> clientConnection_;
std::shared_ptr<Stream> stream_;
std::unique_ptr<decoder::Decoder> decoder_;
std::unique_ptr<player::Player> player_;
std::unique_ptr<msg::ServerSettings> serverSettings_;
std::unique_ptr<msg::CodecHeader> headerChunk_;
};
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