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/* $Id: DrvHostAudioDSoundMMNotifClient.h $ */
/** @file
* Host audio driver - DSound - Implementation of the IMMNotificationClient interface to detect audio endpoint changes.
*/
/*
* Copyright (C) 2017-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#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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