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/* $Id: VBoxMMNotificationClient.h $ */
/** @file
* VBoxMMNotificationClient.h - Implementation of the IMMNotificationClient interface
* to detect audio endpoint changes.
*/
/*
* Copyright (C) 2017-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#ifndef VBOX_INCLUDED_SRC_Audio_VBoxMMNotificationClient_h
#define VBOX_INCLUDED_SRC_Audio_VBoxMMNotificationClient_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <iprt/critsect.h>
#include <iprt/win/windows.h>
/* Should fix warning in include\ks.h. */
#ifndef _WIN64
# ifdef RT_ARCH_X86
# define _WIN64 1
# else
# define _WIN64 0
# endif
#endif
#include <Mmdeviceapi.h>
#include "DrvAudio.h"
class VBoxMMNotificationClient : IMMNotificationClient
{
public:
VBoxMMNotificationClient();
virtual ~VBoxMMNotificationClient();
HRESULT Initialize();
int RegisterCallback(PPDMDRVINS pDrvIns, PFNPDMHOSTAUDIOCALLBACK pfnCallback);
void UnregisterCallback(void);
void Dispose();
/** @name IUnknown interface
* @{ */
IFACEMETHODIMP_(ULONG) Release();
/** @} */
private:
bool m_fRegisteredClient;
IMMDeviceEnumerator *m_pEnum;
IMMDevice *m_pEndpoint;
long m_cRef;
PPDMDRVINS m_pDrvIns;
PFNPDMHOSTAUDIOCALLBACK m_pfnCallback;
HRESULT AttachToDefaultEndpoint();
void DetachFromEndpoint();
/** @name IMMNotificationClient interface
* @{ */
IFACEMETHODIMP OnDeviceStateChanged(LPCWSTR pwstrDeviceId, DWORD dwNewState);
IFACEMETHODIMP OnDeviceAdded(LPCWSTR pwstrDeviceId);
IFACEMETHODIMP OnDeviceRemoved(LPCWSTR pwstrDeviceId);
IFACEMETHODIMP OnDefaultDeviceChanged(EDataFlow flow, ERole role, LPCWSTR pwstrDefaultDeviceId);
IFACEMETHODIMP OnPropertyValueChanged(LPCWSTR /*pwstrDeviceId*/, const PROPERTYKEY /*key*/) { return S_OK; }
IFACEMETHODIMP OnDeviceQueryRemove() { return S_OK; }
IFACEMETHODIMP OnDeviceQueryRemoveFailed() { return S_OK; }
IFACEMETHODIMP OnDeviceRemovePending() { return S_OK; }
/** @} */
/** @name IUnknown interface
* @{ */
IFACEMETHODIMP QueryInterface(const IID& iid, void** ppUnk);
IFACEMETHODIMP_(ULONG) AddRef();
/** @} */
};
#endif /* !VBOX_INCLUDED_SRC_Audio_VBoxMMNotificationClient_h */
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