-AddTransitionCommand::AddTransitionCommand(CustomTrackView *view, ItemInfo info, int transitiontrack, const QDomElement ¶ms, bool remove, bool doIt, QUndoCommand * parent) :
+AddTransitionCommand::AddTransitionCommand(CustomTrackView *view, const ItemInfo &info, int transitiontrack, const QDomElement ¶ms, bool remove, bool doIt, QUndoCommand * parent) :