VirtualBox

source: vbox/trunk/src/VBox/Devices/Audio/DrvHostAudioDSoundMMNotifClient.h@ 103914

Last change on this file since 103914 was 98103, checked in by vboxsync, 21 months ago

Copyright year updates by scm.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 2.7 KB
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1/* $Id: DrvHostAudioDSoundMMNotifClient.h 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * Host audio driver - DSound - Implementation of the IMMNotificationClient interface to detect audio endpoint changes.
4 */
5
6/*
7 * Copyright (C) 2017-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28#ifndef VBOX_INCLUDED_SRC_Audio_DrvHostAudioDSoundMMNotifClient_h
29#define VBOX_INCLUDED_SRC_Audio_DrvHostAudioDSoundMMNotifClient_h
30#ifndef RT_WITHOUT_PRAGMA_ONCE
31# pragma once
32#endif
33
34#include <iprt/critsect.h>
35#include <iprt/win/windows.h>
36#include <mmdeviceapi.h>
37
38#include <VBox/vmm/pdmaudioifs.h>
39
40
41class DrvHostAudioDSoundMMNotifClient : public IMMNotificationClient
42{
43public:
44
45 DrvHostAudioDSoundMMNotifClient(PPDMIHOSTAUDIOPORT pInterface, bool fDefaultIn, bool fDefaultOut);
46 virtual ~DrvHostAudioDSoundMMNotifClient();
47
48 HRESULT Initialize();
49
50 HRESULT Register(void);
51 void Unregister(void);
52
53 /** @name IUnknown interface
54 * @{ */
55 IFACEMETHODIMP_(ULONG) Release();
56 /** @} */
57
58private:
59
60 bool m_fDefaultIn;
61 bool m_fDefaultOut;
62 bool m_fRegisteredClient;
63 IMMDeviceEnumerator *m_pEnum;
64 IMMDevice *m_pEndpoint;
65
66 long m_cRef;
67
68 PPDMIHOSTAUDIOPORT m_pIAudioNotifyFromHost;
69
70 /** @name IMMNotificationClient interface
71 * @{ */
72 IFACEMETHODIMP OnDeviceStateChanged(LPCWSTR pwstrDeviceId, DWORD dwNewState);
73 IFACEMETHODIMP OnDeviceAdded(LPCWSTR pwstrDeviceId);
74 IFACEMETHODIMP OnDeviceRemoved(LPCWSTR pwstrDeviceId);
75 IFACEMETHODIMP OnDefaultDeviceChanged(EDataFlow flow, ERole role, LPCWSTR pwstrDefaultDeviceId);
76 IFACEMETHODIMP OnPropertyValueChanged(LPCWSTR /*pwstrDeviceId*/, const PROPERTYKEY /*key*/) { return S_OK; }
77 /** @} */
78
79 /** @name IUnknown interface
80 * @{ */
81 IFACEMETHODIMP QueryInterface(const IID& iid, void** ppUnk);
82 IFACEMETHODIMP_(ULONG) AddRef();
83 /** @} */
84};
85
86#endif /* !VBOX_INCLUDED_SRC_Audio_DrvHostAudioDSoundMMNotifClient_h */
87
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