if (s) {
if (s->rec_enable_control()) {
s->rec_enable_control()->set_value (yn ? 1.0 : 0.0, PBD::Controllable::NoGroup);
if (s) {
if (s->rec_enable_control()) {
s->rec_enable_control()->set_value (yn ? 1.0 : 0.0, PBD::Controllable::NoGroup);
if (s) {
if (s->rec_safe_control()) {
s->rec_safe_control()->set_value (yn ? 1.0 : 0.0, PBD::Controllable::NoGroup);
if (s) {
if (s->rec_safe_control()) {
s->rec_safe_control()->set_value (yn ? 1.0 : 0.0, PBD::Controllable::NoGroup);