mf: Return sink flags for SAR.

dlls/mf/sar.c

@@ -99,9 +99,16 @@ static ULONG WINAPI audio_renderer_sink_Release(IMFMediaSink *iface)
 
 static HRESULT WINAPI audio_renderer_sink_GetCharacteristics(IMFMediaSink *iface, DWORD *flags)
 {
-    FIXME("%p, %p.\n", iface, flags);
+    struct audio_renderer *renderer = impl_from_IMFMediaSink(iface);
 
-    return E_NOTIMPL;
+    TRACE("%p, %p.\n", iface, flags);
+
+    if (renderer->is_shut_down)
+        return MF_E_SHUTDOWN;
+
+    *flags = MEDIASINK_FIXED_STREAMS | MEDIASINK_CAN_PREROLL;
+
+    return S_OK;
 }
 
 static HRESULT WINAPI audio_renderer_sink_AddStreamSink(IMFMediaSink *iface, DWORD stream_sink_id,

dlls/mf/tests/mf.c

@@ -2639,6 +2639,7 @@ static void test_sar(void)
     MFCLOCK_STATE state;
     DWORD flags, count;
     IMFClock *clock;
+    IUnknown *unk;
     HRESULT hr;
 
     hr = CoInitialize(NULL);
@@ -2693,6 +2694,14 @@ if (SUCCEEDED(hr))
     ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
     ok(count == 1, "Unexpected count %u.\n", count);
 
+    hr = IMFMediaSink_GetCharacteristics(sink, &flags);
+    ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+    ok(flags == (MEDIASINK_FIXED_STREAMS | MEDIASINK_CAN_PREROLL), "Unexpected flags %#x.\n", flags);
+
+    hr = IMFMediaSink_QueryInterface(sink, &IID_IMFMediaSinkPreroll, (void **)&unk);
+    ok(hr == S_OK, "Failed to get interface, hr %#x.\n", hr);
+    IUnknown_Release(unk);
+
     /* Shutdown */
     hr = IMFMediaSink_Shutdown(sink);
     ok(hr == S_OK, "Failed to shut down, hr %#x.\n", hr);
@@ -2712,6 +2721,9 @@ if (SUCCEEDED(hr))
     hr = IMFMediaSink_GetStreamSinkCount(sink, &count);
     ok(hr == MF_E_SHUTDOWN, "Unexpected hr %#x.\n", hr);
 
+    hr = IMFMediaSink_GetCharacteristics(sink, &flags);
+    ok(hr == MF_E_SHUTDOWN, "Unexpected hr %#x.\n", hr);
+
     IMFMediaSink_Release(sink);
 
     /* Activation */
@@ -2727,7 +2739,6 @@ if (SUCCEEDED(hr))
     IMFMediaSink_Release(sink2);
 
     hr = IMFMediaSink_GetCharacteristics(sink, &flags);
-todo_wine
     ok(hr == S_OK, "Failed to get sink flags, hr %#x.\n", hr);
 
     hr = IMFActivate_ShutdownObject(activate);