Changeset 83239 in vbox

Timestamp:

Mar 10, 2020 10:13:59 AM (5 years ago)

Author:

vboxsync

Message:

Audio/Win: Added ability to register/unregister the IMMNotificationClient interface at runtime.

Location:

trunk/src/VBox/Devices/Audio

Files:

• VBoxMMNotificationClient.cpp (modified) (2 diffs)
• VBoxMMNotificationClient.h (modified) (1 diff)

trunk/src/VBox/Devices/Audio/VBoxMMNotificationClient.cpp

@@ -44 +44 @@
 
 /**
- * Uninitializes the mulitmedia notification client implementation.
- */
-void VBoxMMNotificationClient::Dispose(void)
+ * Registers the mulitmedia notification client implementation.
+ */
+HRESULT VBoxMMNotificationClient::Register(void)
+{
+    HRESULT hr = m_pEnum->RegisterEndpointNotificationCallback(this);
+    if (SUCCEEDED(hr))
+    {
+        m_fRegisteredClient = true;
+
+        hr = AttachToDefaultEndpoint();
+    }
+
+    return hr;
+}
+
+/**
+ * Unregisters the mulitmedia notification client implementation.
+ */
+void VBoxMMNotificationClient::Unregister(void)
 {
     DetachFromEndpoint();
@@ -67 +83 @@
     HRESULT hr = CoCreateInstance(__uuidof(MMDeviceEnumerator), 0, CLSCTX_ALL, __uuidof(IMMDeviceEnumerator),
                                   (void **)&m_pEnum);
-    if (SUCCEEDED(hr))
-    {
-        hr = m_pEnum->RegisterEndpointNotificationCallback(this);
-        if (SUCCEEDED(hr))
-        {
-            m_fRegisteredClient = true;
-
-            hr = AttachToDefaultEndpoint();
-        }
-    }
 
     LogFunc(("Returning %Rhrc\n",  hr));

trunk/src/VBox/Devices/Audio/VBoxMMNotificationClient.h

@@ -47 +47 @@
 
     HRESULT Initialize();
+
+    HRESULT Register(void);
+    void    Unregister(void);
+
     int     RegisterCallback(PPDMDRVINS pDrvIns, PFNPDMHOSTAUDIOCALLBACK pfnCallback);
     void    UnregisterCallback(void);
-    void    Dispose();
 
     /** @name IUnknown interface