mf: Always queue set topologies.

dlls/mf/session.c

@@ -1240,6 +1240,7 @@ static HRESULT session_set_current_topology(struct media_session *session, IMFTo
 
 static void session_set_topology(struct media_session *session, DWORD flags, IMFTopology *topology)
 {
+    IMFTopology *resolved_topology = NULL;
     HRESULT hr = S_OK;
 
     /* Resolve unless claimed to be full. */
@@ -1247,8 +1248,6 @@ static void session_set_topology(struct media_session *session, DWORD flags, IMF
     {
         if (!(flags & MFSESSION_SETTOPOLOGY_NORESOLUTION))
         {
-            IMFTopology *resolved_topology = NULL;
-
             hr = session_bind_output_nodes(topology);
 
             if (SUCCEEDED(hr))
@@ -1286,27 +1285,27 @@ static void session_set_topology(struct media_session *session, DWORD flags, IMF
     /* With no current topology set it right away, otherwise queue. */
     if (topology)
     {
-        if (session->presentation.topo_status == MF_TOPOSTATUS_INVALID)
-        {
-            hr = session_set_current_topology(session, topology);
-        }
-        else
+        struct queued_topology *queued_topology;
+
+        if ((queued_topology = heap_alloc_zero(sizeof(*queued_topology))))
         {
-            struct queued_topology *queued_topology;
+            queued_topology->topology = topology;
+            IMFTopology_AddRef(queued_topology->topology);
 
-            if ((queued_topology = heap_alloc_zero(sizeof(*queued_topology))))
-            {
-                queued_topology->topology = topology;
-                IMFTopology_AddRef(queued_topology->topology);
+            list_add_tail(&session->topologies, &queued_topology->entry);
+        }
 
-                list_add_tail(&session->topologies, &queued_topology->entry);
-            }
+        if (session->presentation.topo_status == MF_TOPOSTATUS_INVALID)
+        {
+            hr = session_set_current_topology(session, topology);
+            session_set_topo_status(session, hr, MF_TOPOSTATUS_READY);
         }
     }
 
-    session_set_topo_status(session, hr, MF_TOPOSTATUS_READY);
-
     LeaveCriticalSection(&session->cs);
+
+    if (resolved_topology)
+        IMFTopology_Release(resolved_topology);
 }
 
 static HRESULT WINAPI mfsession_QueryInterface(IMFMediaSession *iface, REFIID riid, void **out)