DocClipBase *getMissingProducer(const QString &id) const;
void adjustTrackHeaders();
/** @brief Add effects from the xml. Returns true if some effect was upgraded, false if everything went fine.*/
DocClipBase *getMissingProducer(const QString &id) const;
void adjustTrackHeaders();
/** @brief Add effects from the xml. Returns true if some effect was upgraded, false if everything went fine.*/