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# LV2 Time Extension
# Copyright 2011 David Robillard <d@drobilla.net>
#
# 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 time: <http://lv2plug.in/ns/ext/time#> .
@prefix doap: <http://usefulinc.com/ns/doap#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix lv2:  <http://lv2plug.in/ns/lv2core#> .
@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/time>
	a lv2:Specification ;
	doap:name "LV2 Time" ;
	doap:shortdesc "A data type for transport speed and position." ;
	doap:maintainer [
		a foaf:Person ;
		foaf:name "David Robillard" ;
		foaf:homepage <http://drobilla.net/> ;
		rdfs:seeAlso <http://drobilla.net/drobilla.rdf>
	] ;
	lv2:documentation """
<p>This extension defines a structure type, LV2_Time_Position, which
describes a tempo and position along a timeline.  This can be used as
an event payload by the host to notify plugins about the current
tempo and position.</p>
""" .

time:Position
	a rdfs:Class ;
	rdfs:label "LV2 time position" ;
	lv2:documentation """
Type for an LV2_Time_Position struct.  This can be mapped to an integer and
used as the type field of an event to indicate that the event payload is an
LV2_Time_Positon struct.  Plugins SHOULD indicate that a port supports time
information using the ev:supports predicate, e.g.:
<pre class="turtle-code">
<plugin> lv2:port [
    a lv2:InputPort , ev:EventPort ;
    lv2:name "control" ;
    lv2:index 0 ;
    ev:supportsEvent time:Position
] .
</pre>
""" .