diff -r 56cd8111b7f7 -r 41300fa6a67c src/3rdparty/phonon/mmf/backend.cpp
--- a/src/3rdparty/phonon/mmf/backend.cpp	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/3rdparty/phonon/mmf/backend.cpp	Tue Feb 02 00:43:10 2010 +0200
@@ -24,6 +24,7 @@
 #include <apmstd.h> // for TDataType
 
 #include "abstractaudioeffect.h"
+#include "ancestormovemonitor.h"
 #include "audiooutput.h"
 #include "audioplayer.h"
 #include "backend.h"
@@ -37,15 +38,13 @@
 using namespace Phonon;
 using namespace Phonon::MMF;
 
-/*! \class MMF::VolumeObserver
-  \internal
-*/
-
 /*! \class MMF::Backend
   \internal
 */
 
-Backend::Backend(QObject *parent)   : QObject(parent)
+Backend::Backend(QObject *parent)
+    : QObject(parent)
+    , m_ancestorMoveMonitor(new AncestorMoveMonitor(this))
 {
     TRACE_CONTEXT(Backend::Backend, EBackend);
     TRACE_ENTRY_0();
@@ -87,7 +86,7 @@
         return EffectFactory::createAudioEffect(effect, parent);
     }
     case VideoWidgetClass:
-        result = new VideoWidget(qobject_cast<QWidget *>(parent));
+        result = new VideoWidget(m_ancestorMoveMonitor.data(), qobject_cast<QWidget *>(parent));
         break;
 
     default: