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Support fancy controls for some AU units.

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This commit is contained in:
David Robillard
2014-12-23 18:45:21 -05:00
parent 2e7cfe081f
commit b0f1c16e20
2 changed files with 15 additions and 5 deletions
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3
libs/ardour/ardour/audio_unit.h
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@@ -53,9 +53,8 @@ struct LIBARDOUR_API AUParameterDescriptor : public ParameterDescriptor {
AudioUnitParameterID id;
AudioUnitScope scope;
AudioUnitElement element;
float default_value;
bool automatable;
AudioUnitParameterUnit unit;
AudioUnitParameterUnit au_unit;
};
class LIBARDOUR_API AUPlugin : public ARDOUR::Plugin

17
libs/ardour/audio_unit.cc
View File

@@ -606,7 +606,7 @@ AUPlugin::discover_parameters ()
d.lower = info.minValue;
d.upper = info.maxValue;
d.default_value = info.defaultValue;
d.normal = info.defaultValue;
d.integer_step = (info.unit == kAudioUnitParameterUnit_Indexed);
d.toggled = (info.unit == kAudioUnitParameterUnit_Boolean) ||
@@ -617,7 +617,18 @@ AUPlugin::discover_parameters ()
(info.flags & kAudioUnitParameterFlag_IsWritable);
d.logarithmic = (info.flags & kAudioUnitParameterFlag_DisplayLogarithmic);
d.unit = info.unit;
d.au_unit = info.unit;
switch (info.unit) {
case kAudioUnitParameterUnit_Decibels:
d.unit = ParameterDescriptor::DB;
break;
case kAudioUnitParameterUnit_MIDINoteNumber:
d.unit = ParameterDescriptor::MIDI_NOTE;
break;
case kAudioUnitParameterUnit_Hertz:
d.unit = ParameterDescriptor::HZ;
break;
}
d.min_unbound = 0; // lower is bound
d.max_unbound = 0; // upper is bound
@@ -759,7 +770,7 @@ float
AUPlugin::default_value (uint32_t port)
{
if (port < descriptors.size()) {
return descriptors[port].default_value;
return descriptors[port].normal;
}
return 0;