Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 91 insertions, 0 deletions

diff --git a/src/VBox/Devices/Audio/VBoxMMNotificationClient.h b/src/VBox/Devices/Audio/VBoxMMNotificationClient.h
new file mode 100644
index 00000000..6d63174c
--- /dev/null
+++ b/src/VBox/Devices/Audio/VBoxMMNotificationClient.h
@@ -0,0 +1,91 @@
+/* $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 */
+