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@prefix atom: <http://lv2plug.in/ns/ext/atom#> .
@prefix ev: <http://lv2plug.in/ns/ext/event#> .
@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
@prefix midi: <http://lv2plug.in/ns/ext/midi#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<http://lv2plug.in/ns/ext/midi>
	a owl:Ontology ;
	rdfs:label "LV2 MIDI" ;
	rdfs:comment "A normalised definition of raw MIDI." ;
	rdfs:seeAlso <midi.h> ,
		<midi.meta.ttl> .

midi:ActiveSense
	a rdfs:Class ;
	rdfs:subClassOf midi:SystemRealtime ;
	rdfs:label "Active Sense" ;
	rdfs:comment "MIDI active sense message." ;
	midi:status "FE"^^xsd:hexBinary .

midi:Aftertouch
	a rdfs:Class ;
	rdfs:subClassOf midi:VoiceMessage ;
	rdfs:label "Aftertouch" ;
	rdfs:comment "MIDI aftertouch message." ;
	midi:statusMask "A0"^^xsd:hexBinary ;
	midi:chunk [
		midi:byteNumber 0 ;
		midi:property midi:noteNumber
	] , [
		midi:byteNumber 1 ;
		midi:property midi:pressure
	] .

midi:Bender
	a rdfs:Class ;
	rdfs:subClassOf midi:VoiceMessage ;
	rdfs:label "Bender" ;
	rdfs:comment "MIDI bender message." ;
	midi:statusMask "E0"^^xsd:hexBinary ;
	midi:chunk [
		midi:byteNumber 0 ,
			1 ;
		midi:property midi:benderValue
	] .

midi:ChannelPressure
	a rdfs:Class ;
	rdfs:subClassOf midi:VoiceMessage ;
	rdfs:label "Channel Pressure" ;
	rdfs:comment "MIDI channel pressure message." ;
	midi:statusMask "D0"^^xsd:hexBinary ;
	midi:chunk [
		midi:byteNumber 0 ;
		midi:property midi:pressure
	] .

midi:Chunk
	a rdfs:Class ;
	rdfs:label "Chunk" ;
	rdfs:comment "A sequence of contiguous bytes in a MIDI message." .

midi:Clock
	a rdfs:Class ;
	rdfs:subClassOf midi:SystemRealtime ;
	rdfs:label "Clock" ;
	rdfs:comment "MIDI clock message." ;
	midi:status "F8"^^xsd:hexBinary .

midi:Continue
	a rdfs:Class ;
	rdfs:subClassOf midi:SystemRealtime ;
	rdfs:label "Continue" ;
	rdfs:comment "MIDI continue message." ;
	midi:status "FB"^^xsd:hexBinary .

midi:Controller
	a rdfs:Class ;
	rdfs:subClassOf midi:VoiceMessage ;
	rdfs:label "Controller" ;
	rdfs:comment "MIDI controller change message." ;
	midi:statusMask "B0"^^xsd:hexBinary ;
	midi:chunk [
		midi:byteNumber 0 ;
		midi:property midi:controllerNumber
	] , [
		midi:byteNumber 1 ;
		midi:property midi:controllerValue
	] .

midi:HexByte
	a rdfs:Datatype ;
	owl:onDatatype xsd:hexBinary ;
	owl:withRestrictions (
		[
			xsd:maxInclusive "FF"
		]
	) ;
	rdfs:label "Hex Byte" ;
	rdfs:comment "A hexadecimal byte, which has a value <= FF." .

midi:MidiEvent
	a rdfs:Class ,
		rdfs:Datatype ;
	rdfs:subClassOf ev:Event ,
		atom:Atom ;
	owl:onDatatype xsd:hexBinary ;
	rdfs:label "MIDI Message" ;
	rdfs:comment "A single raw MIDI message." .

midi:NoteOff
	a rdfs:Class ;
	rdfs:subClassOf midi:VoiceMessage ;
	rdfs:label "Note Off" ;
	rdfs:comment "MIDI note off message." ;
	midi:statusMask "80"^^xsd:hexBinary ;
	midi:chunk [
		midi:byteNumber 0 ;
		midi:property midi:noteNumber
	] , [
		midi:byteNumber 1 ;
		midi:property midi:velocity
	] .

midi:NoteOn
	a rdfs:Class ;
	rdfs:subClassOf midi:VoiceMessage ;
	rdfs:label "Note On" ;
	rdfs:comment "MIDI note on message." ;
	midi:statusMask "90"^^xsd:hexBinary ;
	midi:chunk [
		midi:byteNumber 0 ;
		midi:property midi:noteNumber
	] , [
		midi:byteNumber 1 ;
		midi:property midi:velocity
	] .

midi:ProgramChange
	a rdfs:Class ;
	rdfs:subClassOf midi:VoiceMessage ;
	rdfs:label "Program Change" ;
	rdfs:comment "MIDI program change message." ;
	midi:statusMask "C0"^^xsd:hexBinary ;
	midi:chunk [
		midi:byteNumber 0 ;
		midi:property midi:programNumber
	] .

midi:QuarterFrame
	a rdfs:Class ;
	rdfs:subClassOf midi:SystemCommon ;
	rdfs:label "Quarter Frame" ;
	rdfs:comment "MIDI quarter frame message." ;
	midi:status "F1"^^xsd:hexBinary .

midi:Reset
	a rdfs:Class ;
	rdfs:subClassOf midi:SystemRealtime ;
	rdfs:label "Reset" ;
	rdfs:comment "MIDI reset message." ;
	midi:status "FF"^^xsd:hexBinary .

midi:SongPosition
	a rdfs:Class ;
	rdfs:subClassOf midi:SystemCommon ;
	rdfs:label "Song Position" ;
	rdfs:comment "MIDI song position pointer message." ;
	midi:status "F2"^^xsd:hexBinary ;
	midi:chunk [
		midi:byteNumber 0 ,
			1 ;
		midi:property midi:songPosition
	] .

midi:SongSelect
	a rdfs:Class ;
	rdfs:subClassOf midi:SystemCommon ;
	rdfs:label "Song Select" ;
	rdfs:comment "MIDI song select message." ;
	midi:status "F3"^^xsd:hexBinary .

midi:Start
	a rdfs:Class ;
	rdfs:subClassOf midi:SystemRealtime ;
	rdfs:label "Start" ;
	rdfs:comment "MIDI start message." ;
	midi:status "FA"^^xsd:hexBinary .

midi:Stop
	a rdfs:Class ;
	rdfs:subClassOf midi:SystemRealtime ;
	rdfs:label "Stop" ;
	rdfs:comment "MIDI stop message." ;
	midi:status "FC"^^xsd:hexBinary .

midi:SystemCommon
	a rdfs:Class ;
	rdfs:subClassOf midi:SystemMessage ;
	rdfs:label "System Common" ;
	rdfs:comment "MIDI system common message." .

midi:SystemExclusive
	a rdfs:Class ;
	rdfs:subClassOf midi:SystemMessage ;
	rdfs:label "System Exclusive" ;
	rdfs:comment "MIDI system exclusive message." ;
	midi:status "F0"^^xsd:hexBinary .

midi:SystemMessage
	a rdfs:Class ;
	rdfs:subClassOf midi:MidiEvent ;
	rdfs:label "System Message" ;
	rdfs:comment "MIDI system message." ;
	midi:statusMask "F0"^^xsd:hexBinary .

midi:SystemRealtime
	a rdfs:Class ;
	rdfs:subClassOf midi:SystemMessage ;
	rdfs:label "System Realtime" ;
	rdfs:comment "MIDI system realtime message." .

midi:TuneRequest
	a rdfs:Class ;
	rdfs:subClassOf midi:SystemCommon ;
	rdfs:label "Tune Request" ;
	rdfs:comment "MIDI tune request message." ;
	midi:status "F6"^^xsd:hexBinary .

midi:VoiceMessage
	a rdfs:Class ;
	rdfs:subClassOf midi:MidiEvent ;
	rdfs:label "Voice Message" ;
	rdfs:comment "MIDI voice message." ;
	midi:statusMask "F0"^^xsd:hexBinary .

midi:benderValue
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:label "bender value" ;
	rdfs:range xsd:short ;
	rdfs:comment "MIDI pitch bender message (-8192 to 8192)." .

midi:binding
	a rdf:Property ,
		owl:ObjectProperty ;
	rdfs:range midi:MidiEvent ;
	rdfs:label "binding" ;
	rdfs:comment "The MIDI event to bind a parameter to." .

midi:byteNumber
	a rdf:Property ,
		owl:DatatypeProperty ;
	rdfs:label "byte number" ;
	rdfs:domain midi:Chunk ;
	rdfs:range xsd:unsignedByte ;
	rdfs:comment "The 0-based index of a byte which is part of this chunk." .

midi:channel
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:label "MIDI channel" ;
	rdfs:range xsd:unsignedByte ;
	rdfs:comment "The channel number of a MIDI message." .

midi:chunk
	a rdf:Property ,
		owl:ObjectProperty ;
	rdfs:range midi:Chunk ;
	rdfs:label "MIDI chunk" ;
	rdfs:comment "A chunk of a MIDI message." .

midi:controllerNumber
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:label "MIDI controller number" ;
	rdfs:range xsd:byte ;
	rdfs:comment "The numeric ID of a controller (0 to 127)." .

midi:controllerValue
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:label "MIDI controller value" ;
	rdfs:range xsd:byte ;
	rdfs:comment "The value of a controller (0 to 127)." .

midi:noteNumber
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:label "note number" ;
	rdfs:range xsd:byte ;
	rdfs:comment "The numeric ID of a note (0 to 127)." .

midi:pressure
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:label "key pressure" ;
	rdfs:range xsd:byte ;
	rdfs:comment "Key pressure (0 to 127)." .

midi:programNumber
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:label "program number" ;
	rdfs:range xsd:byte ;
	rdfs:comment "The numeric ID of a program (0 to 127)." .

midi:property
	a rdf:Property ,
		owl:ObjectProperty ,
		owl:FunctionalProperty ;
	rdfs:label "property" ;
	rdfs:domain midi:Chunk ;
	rdfs:range rdf:Property ;
	rdfs:comment "The property this chunk represents." .

midi:songNumber
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:label "song number" ;
	rdfs:range xsd:byte ;
	rdfs:comment "The numeric ID of a song (0 to 127)." .

midi:songPosition
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:label "song position" ;
	rdfs:range xsd:short ;
	rdfs:comment "Song position in MIDI beats (16th notes) (-8192 to 8192)." .

midi:status
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:label "status byte" ;
	rdfs:range midi:HexByte ;
	rdfs:comment "The exact status byte for a message of this type." .

midi:statusMask
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:label "status mask" ;
	rdfs:range midi:HexByte ;
	rdfs:comment "The status byte for a message of this type on channel 1." .

midi:velocity
	a rdf:Property ,
		owl:DatatypeProperty ,
		owl:FunctionalProperty ;
	rdfs:label "velocity" ;
	rdfs:range midi:HexByte ;
	rdfs:comment "The velocity of a note message (0 to 127)." .