amstream: Implement IAudioMediaStream::GetMultiMediaStream.

dlls/amstream/mediastream.c

@@ -686,13 +686,19 @@ static ULONG WINAPI AudioMediaStreamImpl_IAudioMediaStream_Release(IAudioMediaSt
 
 /*** IMediaStream methods ***/
 static HRESULT WINAPI AudioMediaStreamImpl_IAudioMediaStream_GetMultiMediaStream(IAudioMediaStream *iface,
-        IMultiMediaStream** multimedia_stream)
+        IMultiMediaStream **multi_media_stream)
 {
     AudioMediaStreamImpl *This = impl_from_IAudioMediaStream(iface);
 
-    FIXME("(%p/%p)->(%p) stub!\n", iface, This, multimedia_stream);
+    TRACE("(%p/%p)->(%p)\n", iface, This, multi_media_stream);
 
-    return S_FALSE;
+    if (!multi_media_stream)
+        return E_POINTER;
+
+    IMultiMediaStream_AddRef(This->parent);
+    *multi_media_stream = This->parent;
+
+    return S_OK;
 }
 
 static HRESULT WINAPI AudioMediaStreamImpl_IAudioMediaStream_GetInformation(IAudioMediaStream *iface,

dlls/amstream/tests/amstream.c

@@ -408,16 +408,13 @@ static void test_media_streams(void)
             ok(hr == S_OK, "IAudioMediaStream_CreateSample returned: %x\n", hr);
 
             hr = IAudioMediaStream_GetMultiMediaStream(audio_media_stream, NULL);
-            todo_wine ok(hr == E_POINTER, "Expected E_POINTER, got %x\n", hr);
+            ok(hr == E_POINTER, "Expected E_POINTER, got %x\n", hr);
 
             multi_media_stream = (void *)0xdeadbeef;
             hr = IAudioMediaStream_GetMultiMediaStream(audio_media_stream, &multi_media_stream);
-            todo_wine ok(hr == S_OK, "IAudioMediaStream_GetMultiMediaStream returned: %x\n", hr);
-            if (hr == S_OK)
-            {
+            ok(hr == S_OK, "IAudioMediaStream_GetMultiMediaStream returned: %x\n", hr);
             ok((void *)multi_media_stream == (void *)pams, "Expected %p, got %p\n", pams, multi_media_stream);
             IMultiMediaStream_Release(multi_media_stream);
-            }
 
             if (audio_data)
                 IAudioData_Release(audio_data);