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+# LV2 MIDI Extension
+# Copyright 2008-2011 David Robillard <d@drobilla.net>
+# Copyright 2006 Lars Luthman <lars.luthman@gmail.com>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+@prefix dcs: <http://ontologi.es/doap-changeset#> .
+@prefix atom: <http://lv2plug.in/ns/ext/atom#> .
+@prefix doap: <http://usefulinc.com/ns/doap#> .
+@prefix ev: <http://lv2plug.in/ns/ext/event#> .
+@prefix foaf: <http://xmlns.com/foaf/0.1/> .
+@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
+@prefix midi: <http://lv2plug.in/ns/ext/midi#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+
+<http://drobilla.net/drobilla#me>
+ a foaf:Person ;
+ foaf:name "David Robillard" ;
+ foaf:homepage <http://drobilla.net/> ;
+ foaf:mbox <mailto:d@drobilla.net> ;
+ rdfs:seeAlso <http://drobilla.net/drobilla> .
+
+_:larsl
+ a foaf:Person ;
+ foaf:name "Lars Luthman" ;
+ foaf:mbox <mailto:lars.luthman@gmail.com> .
+
+<http://lv2plug.in/ns/ext/midi>
+ a lv2:Specification ;
+ doap:license <http://opensource.org/licenses/isc> ;
+ doap:name "LV2 MIDI" ;
+ doap:shortdesc "A data type for raw MIDI." ;
+ doap:maintainer <http://drobilla.net/drobilla#me> ;
+ doap:developer _:larsl ;
+ doap:release [
+ doap:revision "1.4" ;
+ doap:created "2011-11-21" ;
+ doap:file-release <http://lv2plug.in/spec/lv2-midi-1.4.tar.bz2> ;
+ dcs:blame <http://drobilla.net/drobilla#me> ;
+ dcs:changeset [
+ dcs:item [
+ rdfs:label "Update packaging."
+ ] , [
+ rdfs:label "Improve documentation."
+ ]
+ ]
+ ] , [
+ doap:revision "1.2" ;
+ doap:created "2011-05-26" ;
+ doap:file-release <http://lv2plug.in/spec/lv2-midi-1.2.tar.bz2> ;
+ dcs:blame <http://drobilla.net/drobilla#me> ;
+ dcs:changeset [
+ dcs:item [
+ rdfs:label "Add build system for installation."
+ ] , [
+ rdfs:label "Switch to ISC license."
+ ]
+ ]
+ ] , [
+ doap:revision "1.0" ;
+ doap:created "2010-10-04" ;
+ doap:file-release <http://lv2plug.in/spec/lv2-midi-1.0.tar.gz> ;
+ dcs:blame <http://drobilla.net/drobilla#me> ;
+ dcs:changeset [
+ dcs:item [
+ rdfs:label "Initial release."
+ ]
+ ]
+ ] ;
+ lv2:documentation """
+<p>This extension defines a data type for a MIDI message, midi:MidiEvent, which
+is normalized for fast and convenient processing by plugins. It is
+particularly useful as the payload of an <a
+href="http://lv2plug.in/ns/ext/atom#Atom">Atom</a> or <a
+href="http://lv2plug.in/ns/ext/event#Event">Event</a>.</p>
+""" .
+
+midi:MidiEvent
+ a rdfs:Class ;
+ rdfs:label "LV2 MIDI message." ;
+ rdfs:subClassOf ev:Event ,
+ atom:Atom ;
+ lv2:documentation """
+<p>A single raw MIDI message (i.e. a sequence of bytes).</p>
+
+<p>This is equivalent to a standard MIDI messages, except with the following
+restrictions to simplify handling:</p>
+<ul>
+ <li>Running status is not allowed, every message must have its own status
+ byte.</li>
+
+ <li>Note On messages with velocity 0 are not allowed. These messages are
+ equivalent to Note Off in standard MIDI streams, but here only proper Note
+ Off messages are allowed.</li>
+
+ <li>"Realtime messages" (status bytes 0xF8 to 0xFF) are allowed, but may
+ not occur inside other messages like they can in standard MIDI streams.</li>
+
+ <li>All messages are complete valid MIDI messages. This means, for example,
+ that only the first byte in each event (the status byte) may have the eighth
+ bit set, that Note On and Note Off events are always 3 bytes long, etc.
+ Where messages are communicated, the writer is responsible for writing valid
+ messages, and the reader may assume that all events are valid.</li>
+</ul>
+""" .