QUuid MainWindow::timelineClipUuid(int trackIndex, int clipIndex)
{
    QScopedPointer<Mlt::ClipInfo> info(m_timelineDock->getClipInfo(trackIndex, clipIndex));
    if (info && info->cut && info->cut->is_valid())
        return MLT.ensureHasUuid(*info->cut);
    return QUuid();
}
QUuid MainWindow::timelineClipUuid(int trackIndex, int clipIndex)
{
    QScopedPointer<Mlt::ClipInfo> info(m_timelineDock->getClipInfo(trackIndex, clipIndex));
    if (info && info->cut && info->cut->is_valid())
        return MLT.ensureHasUuid(*info->cut);
    return QUuid();
}