void showComments(bool show);
void startFilterJob(const ItemInfo &info, const QString &clipId, const QString &filterName, const QString &filterParams, const QString &consumer, const QString &consumerParams, const QMap<QString, QString> &extraParams);
void addEffect(ClipItem*,const QDomElement &);
void showComments(bool show);
void startFilterJob(const ItemInfo &info, const QString &clipId, const QString &filterName, const QString &filterParams, const QString &consumer, const QString &consumerParams, const QMap<QString, QString> &extraParams);
void addEffect(ClipItem*,const QDomElement &);