| 1 | /* $Id: VBoxMMNotificationClient.h 88230 2021-03-22 09:55:26Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * VBoxMMNotificationClient.h - Implementation of the IMMNotificationClient interface
|
|---|
| 4 | * to detect audio endpoint changes.
|
|---|
| 5 | */
|
|---|
| 6 |
|
|---|
| 7 | /*
|
|---|
| 8 | * Copyright (C) 2017-2020 Oracle Corporation
|
|---|
| 9 | *
|
|---|
| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 11 | * available from http://www.alldomusa.eu.org. This file is free software;
|
|---|
| 12 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 13 | * General Public License (GPL) as published by the Free Software
|
|---|
| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 17 | */
|
|---|
| 18 |
|
|---|
| 19 | #ifndef VBOX_INCLUDED_SRC_Audio_VBoxMMNotificationClient_h
|
|---|
| 20 | #define VBOX_INCLUDED_SRC_Audio_VBoxMMNotificationClient_h
|
|---|
| 21 | #ifndef RT_WITHOUT_PRAGMA_ONCE
|
|---|
| 22 | # pragma once
|
|---|
| 23 | #endif
|
|---|
| 24 |
|
|---|
| 25 | #include <iprt/critsect.h>
|
|---|
| 26 | #include <iprt/win/windows.h>
|
|---|
| 27 |
|
|---|
| 28 | /* Should fix warning in include\ks.h. */
|
|---|
| 29 | #ifndef _WIN64
|
|---|
| 30 | # ifdef RT_ARCH_X86
|
|---|
| 31 | # define _WIN64 1
|
|---|
| 32 | # else
|
|---|
| 33 | # define _WIN64 0
|
|---|
| 34 | # endif
|
|---|
| 35 | #endif
|
|---|
| 36 |
|
|---|
| 37 | #include <Mmdeviceapi.h>
|
|---|
| 38 |
|
|---|
| 39 |
|
|---|
| 40 | class VBoxMMNotificationClient : IMMNotificationClient
|
|---|
| 41 | {
|
|---|
| 42 | public:
|
|---|
| 43 |
|
|---|
| 44 | VBoxMMNotificationClient();
|
|---|
| 45 | virtual ~VBoxMMNotificationClient();
|
|---|
| 46 |
|
|---|
| 47 | HRESULT Initialize();
|
|---|
| 48 |
|
|---|
| 49 | HRESULT Register(void);
|
|---|
| 50 | void Unregister(void);
|
|---|
| 51 |
|
|---|
| 52 | int RegisterCallback(PPDMDRVINS pDrvIns, PFNPDMHOSTAUDIOCALLBACK pfnCallback);
|
|---|
| 53 | void UnregisterCallback(void);
|
|---|
| 54 |
|
|---|
| 55 | /** @name IUnknown interface
|
|---|
| 56 | * @{ */
|
|---|
| 57 | IFACEMETHODIMP_(ULONG) Release();
|
|---|
| 58 | /** @} */
|
|---|
| 59 |
|
|---|
| 60 | private:
|
|---|
| 61 |
|
|---|
| 62 | bool m_fRegisteredClient;
|
|---|
| 63 | IMMDeviceEnumerator *m_pEnum;
|
|---|
| 64 | IMMDevice *m_pEndpoint;
|
|---|
| 65 |
|
|---|
| 66 | long m_cRef;
|
|---|
| 67 |
|
|---|
| 68 | PPDMDRVINS m_pDrvIns;
|
|---|
| 69 | PFNPDMHOSTAUDIOCALLBACK m_pfnCallback;
|
|---|
| 70 |
|
|---|
| 71 | HRESULT AttachToDefaultEndpoint();
|
|---|
| 72 | void DetachFromEndpoint();
|
|---|
| 73 |
|
|---|
| 74 | void doCallback(void);
|
|---|
| 75 |
|
|---|
| 76 | /** @name IMMNotificationClient interface
|
|---|
| 77 | * @{ */
|
|---|
| 78 | IFACEMETHODIMP OnDeviceStateChanged(LPCWSTR pwstrDeviceId, DWORD dwNewState);
|
|---|
| 79 | IFACEMETHODIMP OnDeviceAdded(LPCWSTR pwstrDeviceId);
|
|---|
| 80 | IFACEMETHODIMP OnDeviceRemoved(LPCWSTR pwstrDeviceId);
|
|---|
| 81 | IFACEMETHODIMP OnDefaultDeviceChanged(EDataFlow flow, ERole role, LPCWSTR pwstrDefaultDeviceId);
|
|---|
| 82 | IFACEMETHODIMP OnPropertyValueChanged(LPCWSTR /*pwstrDeviceId*/, const PROPERTYKEY /*key*/) { return S_OK; }
|
|---|
| 83 | IFACEMETHODIMP OnDeviceQueryRemove() { return S_OK; }
|
|---|
| 84 | IFACEMETHODIMP OnDeviceQueryRemoveFailed() { return S_OK; }
|
|---|
| 85 | IFACEMETHODIMP OnDeviceRemovePending() { return S_OK; }
|
|---|
| 86 | /** @} */
|
|---|
| 87 |
|
|---|
| 88 | /** @name IUnknown interface
|
|---|
| 89 | * @{ */
|
|---|
| 90 | IFACEMETHODIMP QueryInterface(const IID& iid, void** ppUnk);
|
|---|
| 91 | IFACEMETHODIMP_(ULONG) AddRef();
|
|---|
| 92 | /** @} */
|
|---|
| 93 | };
|
|---|
| 94 | #endif /* !VBOX_INCLUDED_SRC_Audio_VBoxMMNotificationClient_h */
|
|---|
| 95 |
|
|---|
