mf/evr: Return sink flags.

dlls/mf/evr.c

@@ -91,9 +91,11 @@ static ULONG WINAPI video_renderer_sink_Release(IMFMediaSink *iface)
 
 static HRESULT WINAPI video_renderer_sink_GetCharacteristics(IMFMediaSink *iface, DWORD *flags)
 {
-    FIXME("%p, %p.\n", iface, flags);
+    TRACE("%p, %p.\n", iface, flags);
 
-    return E_NOTIMPL;
+    *flags = MEDIASINK_CLOCK_REQUIRED | MEDIASINK_CAN_PREROLL;
+
+    return S_OK;
 }
 
 static HRESULT WINAPI video_renderer_sink_AddStreamSink(IMFMediaSink *iface, DWORD stream_sink_id,

dlls/mf/tests/mf.c

@@ -3253,12 +3253,10 @@ static void test_evr(void)
     hr = IMFActivate_ActivateObject(activate, &IID_IMFMediaSink, (void **)&sink);
     ok(hr == S_OK, "Failed to activate, hr %#x.\n", hr);
 
-    flags = 0;
     hr = IMFMediaSink_GetCharacteristics(sink, &flags);
-todo_wine {
     ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
     ok(flags == (MEDIASINK_CAN_PREROLL | MEDIASINK_CLOCK_REQUIRED), "Unexpected flags %#x.\n", flags);
-}
+
     hr = IMFMediaSink_QueryInterface(sink, &IID_IMFMediaSinkPreroll, (void **)&preroll);
     ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
     IMFMediaSinkPreroll_Release(preroll);