-ResizeClipCommand::ResizeClipCommand(CustomTrackView *view, const ItemInfo start, const ItemInfo end, bool doIt, bool dontWorry, QUndoCommand * parent) :
+ResizeClipCommand::ResizeClipCommand(CustomTrackView *view, const ItemInfo &start, const ItemInfo &end, bool doIt, bool dontWorry, QUndoCommand * parent) :