snapcast/client/controller.h
2016-01-02 12:52:20 +01:00

77 lines
2.2 KiB
C++

/***
This file is part of snapcast
Copyright (C) 2015 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 <thread>
#include <atomic>
#include "decoder/decoder.h"
#include "message/message.h"
#include "player/pcmDevice.h"
#ifdef ANDROID
#include "player/openslPlayer.h"
#else
#include "player/alsaPlayer.h"
#endif
#include "clientConnection.h"
#include "stream.h"
/// 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 feeds PCM to the audio stream buffer
* Does timesync with the server
*/
class Controller : public MessageReceiver
{
public:
Controller();
void start(const PcmDevice& pcmDevice, const std::string& host, size_t port, size_t latency);
void stop();
/// Implementation of MessageReceiver.
/// ClientConnection passes messages from the server through these callbacks
virtual void onMessageReceived(ClientConnection* connection, const msg::BaseMessage& baseMessage, char* buffer);
/// Implementation of MessageReceiver.
/// Used for async exception reporting
virtual void onException(ClientConnection* connection, const std::exception& exception);
private:
void worker();
bool sendTimeSyncMessage(long after = 1000);
std::atomic<bool> active_;
std::thread* controllerThread_;
ClientConnection* clientConnection_;
Stream* stream_;
std::string ip_;
std::shared_ptr<msg::SampleFormat> sampleFormat_;
Decoder* decoder_;
PcmDevice pcmDevice_;
size_t latency_;
std::unique_ptr<Player> player_;
std::exception exception_;
bool asyncException_;
};
#endif