+ float abs = dB_to_coefficient (dB);
+ float top = s->gain_control()->upper();
+ if (abs > top) {
+ abs = top;
+ }
+ s->gain_control()->set_value (abs, PBD::Controllable::NoGroup);
+ }
+ }
+ return 0;
+}
+
+int
+OSC::monitor_delta_gain (float delta)
+{
+ if (!session) return -1;
+ boost::shared_ptr<Stripable> s = session->monitor_out();
+ if (s) {
+ float dB = accurate_coefficient_to_dB (s->gain_control()->get_value()) + delta;
+ if (dB < -192) {
+ s->gain_control()->set_value (0.0, PBD::Controllable::NoGroup);
+ } else {
+ float abs = dB_to_coefficient (dB);
+ float top = s->gain_control()->upper();
+ if (abs > top) {
+ abs = top;
+ }
+ s->gain_control()->set_value (abs, PBD::Controllable::NoGroup);