mf/session: Shutdown and release presentation clock on session shutdown.

dlls/mf/session.c

@@ -1792,6 +1792,9 @@ static HRESULT WINAPI mfsession_Shutdown(IMFMediaSession *iface)
         IMFMediaEventQueue_Shutdown(session->event_queue);
         if (session->quality_manager)
             IMFQualityManager_Shutdown(session->quality_manager);
+        MFShutdownObject((IUnknown *)session->clock);
+        IMFPresentationClock_Release(session->clock);
+        session->clock = NULL;
     }
     LeaveCriticalSection(&session->cs);
 

dlls/mf/tests/mf.c

@@ -1188,13 +1188,14 @@ static void test_media_session(void)
     IMFAttributes *attributes;
     IMFMediaSession *session;
     IMFTopology *topology;
+    IMFShutdown *shutdown;
     PROPVARIANT propvar;
+    DWORD status, caps;
     IMFGetService *gs;
     IMFClock *clock;
     IUnknown *unk;
     HRESULT hr;
     float rate;
-    DWORD caps;
     BOOL thin;
 
     hr = MFStartup(MF_VERSION, MFSTARTUP_FULL);
@@ -1275,9 +1276,24 @@ todo_wine
     hr = MFCreateMediaSession(NULL, &session);
     ok(hr == S_OK, "Failed to create media session, hr %#x.\n", hr);
 
+    hr = IMFMediaSession_GetClock(session, &clock);
+    ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+
+    hr = IMFClock_QueryInterface(clock, &IID_IMFShutdown, (void **)&shutdown);
+    ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+
+    hr = IMFShutdown_GetShutdownStatus(shutdown, &status);
+    ok(hr == MF_E_INVALIDREQUEST, "Unexpected hr %#x.\n", hr);
+
     hr = IMFMediaSession_Shutdown(session);
     ok(hr == S_OK, "Failed to shut down, hr %#x.\n", hr);
 
+    hr = IMFShutdown_GetShutdownStatus(shutdown, &status);
+    ok(hr == S_OK, "Unexpected hr %#x.\n", hr);
+    ok(status == MFSHUTDOWN_COMPLETED, "Unexpected shutdown status %u.\n", status);
+
+    IMFShutdown_Release(shutdown);
+
     hr = IMFMediaSession_ClearTopologies(session);
     ok(hr == MF_E_SHUTDOWN, "Unexpected hr %#x.\n", hr);