godot/drivers/pulseaudio/audio_driver_pulseaudio.h

/*************************************************************************/
/*  audio_driver_pulseaudio.h                                            */
/*************************************************************************/
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/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
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#ifdef PULSEAUDIO_ENABLED

#ifndef AUDIO_DRIVER_PULSEAUDIO_H
#define AUDIO_DRIVER_PULSEAUDIO_H

#include "core/os/mutex.h"
#include "core/os/thread.h"
#include "servers/audio_server.h"

#include <pulse/simple.h>

class AudioDriverPulseAudio : public AudioDriver {

	Thread *thread;
	Mutex *mutex;

	pa_simple *pulse;

	Vector<int32_t> samples_in;
	Vector<int16_t> samples_out;

	unsigned int mix_rate;
	unsigned int buffer_frames;
	unsigned int buffer_size;
	int channels;

	bool active;
	bool thread_exited;
	mutable bool exit_thread;

	float latency;

	static void thread_func(void *p_udata);

public:
	const char *get_name() const {
		return "PulseAudio";
	};

	virtual Error init();
	virtual void start();
	virtual int get_mix_rate() const;
	virtual SpeakerMode get_speaker_mode() const;
	virtual void lock();
	virtual void unlock();
	virtual void finish();

	virtual float get_latency();

	AudioDriverPulseAudio();
	~AudioDriverPulseAudio();
};

#endif // AUDIO_DRIVER_PULSEAUDIO_H

#endif // PULSEAUDIO_ENABLED