winecoreaudio: Export function to get AudioSessionWrapper object.

dlls/winecoreaudio.drv/mmdevdrv.c

@@ -2325,3 +2325,21 @@ HRESULT WINAPI AUDDRV_GetAudioSessionManager(IMMDevice *device,
 
     return S_OK;
 }
+
+HRESULT WINAPI AUDDRV_GetAudioSessionWrapper(const GUID *guid, IMMDevice *device,
+                                             AudioSessionWrapper **out)
+{
+    AudioSession *session;
+
+    HRESULT hr = get_audio_session(guid, device, 0, &session);
+    if(FAILED(hr))
+        return hr;
+
+    *out = AudioSessionWrapper_Create(NULL);
+    if(!*out)
+        return E_OUTOFMEMORY;
+
+    (*out)->session = session;
+
+    return S_OK;
+}

dlls/winecoreaudio.drv/winecoreaudio.drv.spec

@@ -7,3 +7,4 @@
 @ stdcall -private GetEndpointIDs(long ptr ptr ptr ptr) AUDDRV_GetEndpointIDs
 @ stdcall -private GetAudioEndpoint(ptr ptr ptr) AUDDRV_GetAudioEndpoint
 @ stdcall -private GetAudioSessionManager(ptr ptr) AUDDRV_GetAudioSessionManager
+@ stdcall -private GetAudioSessionWrapper(ptr ptr ptr) AUDDRV_GetAudioSessionWrapper