void parseDocument(QDomDocument doc);
int slotAddProjectTrack(int ix, QDomElement xml, bool locked, QDomNodeList producers);
DocClipBase *getMissingProducer(const QString id) const;
void parseDocument(QDomDocument doc);
int slotAddProjectTrack(int ix, QDomElement xml, bool locked, QDomNodeList producers);
DocClipBase *getMissingProducer(const QString id) const;