mfmediaengine: Implement GetResourceCharacteristics().

dlls/mfmediaengine/main.c

@@ -2453,9 +2453,19 @@ static HRESULT WINAPI media_engine_FrameStep(IMFMediaEngineEx *iface, BOOL forwa
 
 static HRESULT WINAPI media_engine_GetResourceCharacteristics(IMFMediaEngineEx *iface, DWORD *flags)
 {
-    FIXME("%p, %p stub.\n", iface, flags);
+    struct media_engine *engine = impl_from_IMFMediaEngineEx(iface);
+    HRESULT hr = E_FAIL;
 
-    return E_NOTIMPL;
+    TRACE("%p, %p.\n", iface, flags);
+
+    EnterCriticalSection(&engine->cs);
+    if (engine->flags & FLAGS_ENGINE_SHUT_DOWN)
+        hr = MF_E_SHUTDOWN;
+    else if (engine->presentation.source)
+        hr = IMFMediaSource_GetCharacteristics(engine->presentation.source, flags);
+    LeaveCriticalSection(&engine->cs);
+
+    return hr;
 }
 
 static HRESULT WINAPI media_engine_GetPresentationAttribute(IMFMediaEngineEx *iface, REFGUID attribute,

dlls/mfmediaengine/tests/mfmediaengine.c

@@ -295,9 +295,9 @@ static void test_Shutdown(void)
     IMFMediaEngineEx *media_engine_ex;
     IMFMediaTimeRange *time_range;
     IMFMediaEngine *media_engine;
+    DWORD flags, cx, cy;
     unsigned int state;
     UINT32 value;
-    DWORD cx, cy;
     double val;
     HRESULT hr;
     BSTR str;
@@ -451,6 +451,12 @@ static void test_Shutdown(void)
         hr = IMFMediaEngineEx_SetAudioEndpointRole(media_engine_ex, eConsole);
         ok(hr == MF_E_SHUTDOWN, "Unexpected hr %#lx.\n", hr);
 
+        hr = IMFMediaEngineEx_GetResourceCharacteristics(media_engine_ex, NULL);
+        ok(hr == MF_E_SHUTDOWN, "Unexpected hr %#lx.\n", hr);
+
+        hr = IMFMediaEngineEx_GetResourceCharacteristics(media_engine_ex, &flags);
+        ok(hr == MF_E_SHUTDOWN, "Unexpected hr %#lx.\n", hr);
+
         IMFMediaEngineEx_Release(media_engine_ex);
     }
 
@@ -863,6 +869,7 @@ static void test_SetSourceFromByteStream(void)
 {
     struct media_engine_notify *notify;
     IMFMediaEngineEx *media_engine;
+    DWORD flags;
     HRESULT hr;
 
     notify = create_callback();
@@ -878,6 +885,12 @@ static void test_SetSourceFromByteStream(void)
     hr = IMFMediaEngineEx_SetSourceFromByteStream(media_engine, NULL, NULL);
     ok(hr == E_POINTER, "Unexpected hr %#lx.\n", hr);
 
+    hr = IMFMediaEngineEx_GetResourceCharacteristics(media_engine, NULL);
+    ok(hr == E_FAIL, "Unexpected hr %#lx.\n", hr);
+
+    hr = IMFMediaEngineEx_GetResourceCharacteristics(media_engine, &flags);
+    ok(hr == E_FAIL, "Unexpected hr %#lx.\n", hr);
+
     IMFMediaEngineEx_Release(media_engine);
     IMFMediaEngineNotify_Release(&notify->IMFMediaEngineNotify_iface);
 }