myvtm/Other/libaudiomgr/win/libaudiomgr_win.h

#pragma once

#include "../iaudiomgrinterface.h"
#include <stdint.h>
#include <assert.h>
#include <stdio.h>
#include <errno.h>
#include <mediaobj.h>     // IMediaObject
#include <wmcodecdsp.h>   // CLSID_CWMAudioAEC
// (must be before audioclient.h)
#include <audioclient.h>
#include <MMDeviceApi.h>
#include <AudioEngineEndPoint.h>
#include <DeviceTopology.h>
#include <functiondiscoverykeys.h>
#include <EndpointVolume.h>


class AudioMgrImpl : public IAudioMgr
{
public:
	AudioMgrImpl(audiomgr_callback_t* pCallback);
	~AudioMgrImpl();

	int audio_mgr_initialize();
	int audio_mgr_terminate();
	int audio_get_device_count(bool binput);
	int audio_get_device_name(char* pstrbuf, size_t ulen, bool binput,  unsigned int uindex);
	int audio_get_device_id(const char* pstrname, bool binput);
	rvc_audio_device_t* audio_get_device_infos(bool binput, int index);

	int audio_get_device_volume(int* ivolume, const char* pstrname, bool binput);
	int audio_set_device_volume(int ivolume, const char* pstrname, bool binput);

	int set_audio_capture_params(audiocap_param_t* param);
	int start_audio_capture();
	int stop_audio_capture();
	int audio_mgr_destroy();
	void audiolog(const char* fmt, ...);
	
private:
	int32_t getlistdevice(EDataFlow dir, int index, IMMDevice** ppDevice);
	int32_t getdevicename(IMMDevice* pDevice, LPWSTR pszBuffer, int bufferLen);

private:
	audiomgr_callback_t  m_callback;
	IMMDeviceEnumerator* m_pEnumerator;
	IMMDeviceCollection* m_ptrCaptureCollection;
	IMMDevice* m_ptrDeviceIn;
	bool m_builtInAecEnabled;
	IMediaObject* m_dmo;
	bool m_usingInputDeviceIndex;
	uint16_t m_inputDeviceIndex;
};