1 /*************************************************************************/
2 /*  audio_driver_pulseaudio.h                                            */
3 /*************************************************************************/
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30 #include "servers/audio/audio_server_sw.h"
31 
32 #ifdef PULSEAUDIO_ENABLED
33 
34 #include "core/os/mutex.h"
35 #include "core/os/thread.h"
36 
37 #include <pulse/simple.h>
38 
39 class AudioDriverPulseAudio : public AudioDriverSW {
40 
41 	Thread *thread;
42 	Mutex *mutex;
43 
44 	pa_simple *pulse;
45 
46 	int32_t *samples_in;
47 	int16_t *samples_out;
48 
49 	static void thread_func(void *p_udata);
50 
51 	unsigned int mix_rate;
52 	OutputFormat output_format;
53 
54 	unsigned int buffer_size;
55 	int channels;
56 
57 	bool active;
58 	bool thread_exited;
59 	mutable bool exit_thread;
60 	bool pcm_open;
61 
62 	float latency;
63 
64 public:
get_name()65 	const char *get_name() const {
66 		return "PulseAudio";
67 	};
68 
69 	virtual Error init();
70 	virtual void start();
71 	virtual int get_mix_rate() const;
72 	virtual OutputFormat get_output_format() const;
73 	virtual void lock();
74 	virtual void unlock();
75 	virtual void finish();
76 
77 	virtual float get_latency();
78 
79 	AudioDriverPulseAudio();
80 	~AudioDriverPulseAudio();
81 };
82 
83 #endif
84