myvtm/Other/libaudiomgr/linux/audiodevicepulse.h

#pragma once

#include <pulse/pulseaudio.h>

enum InitStatus {
	OK = 0,
	PLAYOUT_ERROR = 1,
	RECORDING_ERROR = 2,
	OTHER_ERROR = 3,
	NUM_STATUSES = 4
};

class AudioDevicePulse {
public:
	AudioDevicePulse();
	virtual ~AudioDevicePulse();

	// Main initializaton and termination
	InitStatus Init();
	int32_t Terminate();
	bool Initialized() const;
	

private:
	int32_t InitPulseAudio();
	int32_t TerminatePulseAudio();
	int32_t CheckPulseAudioVersion();
	int32_t InitSamplingFrequency();

	void PaLock();
	void PaUnLock();
	void WaitForOperationCompletion(pa_operation* paOperation) const;

	static void PaServerInfoCallback(pa_context* c, const pa_server_info* i, void* pthis);
	static void PaContextStateCallback(pa_context* c, void* pthis);

	void PaServerInfoCallbackHandler(const pa_server_info* i);
	void PaContextStateCallbackHandler(pa_context* c);

private:
	bool m_initialized;
	pa_threaded_mainloop* m_paMainloop;
	pa_mainloop_api* m_paMainloopApi;
	pa_context* m_paContext;
	bool m_paStateChanged;
	char m_paServerVersion[32];
	int m_sample_rate_hz;
};