void setSceneList(QDomDocument list, int position = 0);
void setSceneList(QString playlist, int position = 0);
void setProducer(Mlt::Producer *producer, int position);
void setSceneList(QDomDocument list, int position = 0);
void setSceneList(QString playlist, int position = 0);
void setProducer(Mlt::Producer *producer, int position);