godot/drivers/pulseaudio/audio_driver_pulseaudio.h

/*************************************************************************/
/*  audio_driver_pulseaudio.h                                            */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
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/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
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/*************************************************************************/
#include "servers/audio/audio_server_sw.h"

#ifdef PULSEAUDIO_ENABLED

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

#include <pulse/simple.h>

class AudioDriverPulseAudio : public AudioDriverSW {

	Thread* thread;
	Mutex* mutex;

    pa_simple* pulse;

	int32_t* samples_in;
	int16_t* samples_out;

	static void thread_func(void* p_udata);

	unsigned int mix_rate;
	OutputFormat output_format;

    unsigned int buffer_size;
	int channels;

	bool active;
	bool thread_exited;
	mutable bool exit_thread;
	bool pcm_open;

	float latency;

public:

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

	virtual Error init();
	virtual void start();
	virtual int get_mix_rate() const;
	virtual OutputFormat get_output_format() const;
	virtual void lock();
	virtual void unlock();
	virtual void finish();

	virtual float get_latency();


    AudioDriverPulseAudio();
    ~AudioDriverPulseAudio();
};

#endif