EDL *edl = new EDL; edl->create_objects();
edl->load_xml(&file, LOAD_ALL);
double pos = edl->equivalent_output(mwindow->edl);
EDL *edl = new EDL; edl->create_objects();
edl->load_xml(&file, LOAD_ALL);
double pos = edl->equivalent_output(mwindow->edl);