@prefix doap: <http://usefulinc.com/ns/doap#> .
@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
@prefix mda: <http://drobilla.net/plugins/mda/> .
@prefix pg: <http://lv2plug.in/ns/ext/port-groups#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

mda:Shepard
	a lv2:Plugin ,
		lv2:GeneratorPlugin ;
	lv2:project mda: ;
	lv2:symbol "Shepard" ;
	doap:name "MDA Shepard" ;
	doap:shortdesc "Continuously rising/falling tone generator" ;
	doap:license <http://usefulinc.com/doap/licenses/gpl> ;
	lv2:optionalFeature lv2:hardRTCapable ;
	pg:mainInput mda:mainIn ;
	pg:mainOutput mda:mainOut ;
    rdfs:comment """This plug-in actually generates "Risset tones". Discrete stepping "Shepard tones" will hopefully be included in a future version.""" ;
	lv2:port [
		a lv2:InputPort ,
			lv2:ControlPort ;
		lv2:index 0 ;
		lv2:name "Mode" ;
		lv2:symbol "mode" ;
		lv2:default 0.0 ;
		lv2:minimum 0.0 ;
		lv2:maximum 1.0 ;
		lv2:portProperty lv2:enumeration ;
		lv2:scalePoint [
			rdfs:label "Tones only" ;
			rdf:value 0.0
		] , [
			rdfs:label "Input ring modulated by tones" ;
			rdf:value 0.5
		] , [
			rdfs:label "Tones mixed with input" ;
			rdf:value 1.0
		]
	] , [
		a lv2:InputPort ,
			lv2:ControlPort ;
		lv2:index 1 ;
		lv2:name "Rate" ;
		lv2:symbol "rate" ;
		lv2:default 0.7 ;
		lv2:minimum 0.0 ;
		lv2:maximum 1.0 ;
		rdfs:comment "Speed of rising (right) or falling (left)"
	] , [
		a lv2:InputPort ,
			lv2:ControlPort ;
		lv2:index 2 ;
		lv2:name "Output" ;
		lv2:symbol "output" ;
		lv2:default 0.5 ;
		lv2:minimum 0.0 ;
		lv2:maximum 1.0 ;
		rdfs:comment "Level trim"
	] , [
		a lv2:InputPort ,
			lv2:AudioPort ;
		lv2:index 3 ;
		lv2:symbol "left_in" ;
		lv2:name "Left In" ;
		lv2:designation pg:left ;
		pg:group mda:mainIn
	] , [
		a lv2:InputPort ,
			lv2:AudioPort ;
		lv2:index 4 ;
		lv2:symbol "right_in" ;
		lv2:name "Right In" ;
		lv2:designation pg:right ;
		pg:group mda:mainIn
	] , [
		a lv2:OutputPort ,
			lv2:AudioPort ;
		lv2:index 5 ;
		lv2:symbol "left_out" ;
		lv2:name "Left Out" ;
		lv2:designation pg:left ;
		pg:group mda:mainOut
	] , [
		a lv2:OutputPort ,
			lv2:AudioPort ;
		lv2:index 6 ;
		lv2:symbol "right_out" ;
		lv2:name "Right Out" ;
		lv2:designation pg:right ;
		pg:group mda:mainOut
	] ;
	rdfs:comment "Continuously rising/falling tone generator." .