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fix AudioUnit parameter listening to work with new ParameterChangedExternally semantics

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This commit is contained in:
Paul Davis
2015-10-20 10:24:39 -04:00
parent ac008dac02
commit 6ec32a70c1
1 changed files with 6 additions and 7 deletions
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13
libs/ardour/audio_unit.cc
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@@ -924,7 +924,8 @@ AUPlugin::set_parameter (uint32_t which, float val)
theEvent.mArgument.mParameter.mElement = d.element;
DEBUG_TRACE (DEBUG::AudioUnits, "notify about parameter change\n");
AUEventListenerNotify (NULL, this, &theEvent);
/* Note the 1st argument, which means "Don't notify us about a change we made ourselves" */
AUEventListenerNotify (_parameter_listener, NULL, &theEvent);
Plugin::set_parameter (which, val);
}
@@ -3094,12 +3095,10 @@ AUPlugin::parameter_change_listener (void* /*arg*/, void* src, const AudioUnitEv
EndTouch (i->second);
break;
case kAudioUnitEvent_ParameterValueChange:
if (src != this) {
std::cerr << "something changed " << i->second << " to " << new_value << std::endl;
ParameterChangedExternally (i->second, new_value);
} else {
std::cerr << "plugin changed " << i->second << " ignore it\n";
}
/* whenever we change a parameter, we request that we are NOT notified of the change, so anytime we arrive here, it
means that something else (i.e. the plugin GUI) made the change.
*/
ParameterChangedExternally (i->second, new_value);
break;
default:
break;