//printf("VWindow::change_source %d %p\n", __LINE__, edl);
// EDLs are identical
// if(edl && mwindow->edl->vwindow_edl &&
// edl->id == mwindow->edl->vwindow_edl->id) return;
if(edl && get_edl() && edl->id == get_edl()->id) return;
//printf("VWindow::change_source %d %p\n", __LINE__, edl);
// EDLs are identical
// if(edl && mwindow->edl->vwindow_edl &&
// edl->id == mwindow->edl->vwindow_edl->id) return;
if(edl && get_edl() && edl->id == get_edl()->id) return;