--- a/mmsharing/mmshui/inc/musuiclipsharingobserver.h	Tue May 11 16:10:30 2010 +0300
+++ b/mmsharing/mmshui/inc/musuiclipsharingobserver.h	Tue May 25 12:38:39 2010 +0300
@@ -46,6 +46,8 @@
     virtual void SetPositionValueL( TInt aPositionValue ) = 0;
 
     virtual void SetDurationVisible() = 0;
+        
+    virtual void InvalidVideoFrame( TBool aInvalid = EFalse ) = 0;
 
     };