mirror of
https://github.com/badaix/snapcast
synced 2025-04-25 22:01:07 +02:00
92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
/***
|
|
This file is part of snapcast
|
|
Copyright (C) 2014-2024 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 "player.hpp"
|
|
|
|
// 3rd party headers
|
|
#include <pulse/pulseaudio.h>
|
|
|
|
// standard headers
|
|
#include <atomic>
|
|
#include <cstdio>
|
|
#include <memory>
|
|
#include <optional>
|
|
|
|
|
|
namespace player
|
|
{
|
|
|
|
static constexpr auto PULSE = "pulse";
|
|
|
|
/// File Player
|
|
/// Used for testing and doesn't even write the received audio to file at the moment,
|
|
/// but just discards it
|
|
class PulsePlayer : public Player
|
|
{
|
|
public:
|
|
PulsePlayer(boost::asio::io_context& io_context, const ClientSettings::Player& settings, std::shared_ptr<Stream> stream);
|
|
virtual ~PulsePlayer();
|
|
|
|
void start() override;
|
|
void stop() override;
|
|
|
|
/// List the system's audio output devices
|
|
static std::vector<PcmDevice> pcm_list(const std::string& parameter);
|
|
|
|
protected:
|
|
bool needsThread() const override;
|
|
void worker() override;
|
|
|
|
void connect();
|
|
void disconnect();
|
|
|
|
bool getHardwareVolume(Volume& volume) override;
|
|
void setHardwareVolume(const Volume& volume) override;
|
|
|
|
void triggerVolumeUpdate();
|
|
|
|
void underflowCallback(pa_stream* stream);
|
|
void stateCallback(pa_context* ctx);
|
|
void writeCallback(pa_stream* stream, size_t nbytes);
|
|
void subscribeCallback(pa_context* ctx, pa_subscription_event_type_t event_type, uint32_t idx);
|
|
|
|
std::vector<char> buffer_;
|
|
|
|
std::chrono::microseconds latency_;
|
|
int underflows_ = 0;
|
|
std::atomic<int> pa_ready_;
|
|
|
|
long last_chunk_tick_;
|
|
|
|
pa_buffer_attr bufattr_;
|
|
pa_sample_spec pa_ss_;
|
|
pa_mainloop* pa_ml_;
|
|
pa_context* pa_ctx_;
|
|
pa_stream* playstream_;
|
|
pa_proplist* proplist_;
|
|
std::optional<std::string> server_;
|
|
std::map<std::string, std::string> properties_;
|
|
|
|
// cache of the last volume change
|
|
std::chrono::time_point<std::chrono::steady_clock> last_change_;
|
|
};
|
|
|
|
} // namespace player
|