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/* $Id$ */
/** @file
* Host audio driver - DSound - Implementation of the IMMNotificationClient interface to detect audio endpoint changes.
*/
/*
* Copyright (C) 2017-2020 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_DrvHostAudioDSoundMMNotifClient_h
#define VBOX_INCLUDED_SRC_Audio_DrvHostAudioDSoundMMNotifClient_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <iprt/critsect.h>
#include <iprt/win/windows.h>
#include <mmdeviceapi.h>
#include <VBox/vmm/pdmaudioifs.h>
class DrvHostAudioDSoundMMNotifClient : public IMMNotificationClient
{
public:
DrvHostAudioDSoundMMNotifClient(PPDMIHOSTAUDIOPORT pInterface, bool fDefaultIn, bool fDefaultOut);
virtual ~DrvHostAudioDSoundMMNotifClient();
HRESULT Initialize();
HRESULT Register(void);
void Unregister(void);
/** @name IUnknown interface
* @{ */
IFACEMETHODIMP_(ULONG) Release();
/** @} */
private:
bool m_fDefaultIn;
bool m_fDefaultOut;
bool m_fRegisteredClient;
IMMDeviceEnumerator *m_pEnum;
IMMDevice *m_pEndpoint;
long m_cRef;
PPDMIHOSTAUDIOPORT m_pIAudioNotifyFromHost;
/** @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; }
/** @} */
/** @name IUnknown interface
* @{ */
IFACEMETHODIMP QueryInterface(const IID& iid, void** ppUnk);
IFACEMETHODIMP_(ULONG) AddRef();
/** @} */
};
#endif /* !VBOX_INCLUDED_SRC_Audio_DrvHostAudioDSoundMMNotifClient_h */
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