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author | David Robillard <d@drobilla.net> | 2018-09-22 20:38:01 +0200 |
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committer | David Robillard <d@drobilla.net> | 2018-09-22 20:38:58 +0200 |
commit | 4db67120efca2d4c200d2e1ba5cf3d7b97cab97e (patch) | |
tree | 793630dd2a17b78d805dc4bc5cd50fbdd0ace3bd /lv2/presets/presets.ttl | |
parent | 160ecb9601c9687a1093e124e936dcbd78aef43c (diff) | |
download | lv2-4db67120efca2d4c200d2e1ba5cf3d7b97cab97e.tar.xz |
Install standard headers to simpler include paths
Diffstat (limited to 'lv2/presets/presets.ttl')
-rw-r--r-- | lv2/presets/presets.ttl | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/lv2/presets/presets.ttl b/lv2/presets/presets.ttl new file mode 100644 index 0000000..da7e9bb --- /dev/null +++ b/lv2/presets/presets.ttl @@ -0,0 +1,105 @@ +@prefix lv2: <http://lv2plug.in/ns/lv2core#> . +@prefix owl: <http://www.w3.org/2002/07/owl#> . +@prefix pset: <http://lv2plug.in/ns/ext/presets#> . +@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/presets> + a owl:Ontology ; + rdfs:seeAlso <lv2-presets.doap.ttl> ; + lv2:documentation """ +<p>This vocabulary describes a format for presets (i.e. named sets of control +values and possibly other state) for LV2 plugins. The structure of a +pset:Preset is deliberately identical to that of an lv2:Plugin, and can be +thought of as a plugin template or overlay.</p> + +<p>Presets may be defined in any bundle, including the plugin's bundle, +separate third party preset bundles, or user preset bundles saved by hosts. +Since preset data tends to be large, it is recommended that plugins describe +presets in a separate file(s) to avoid slowing down hosts. The manifest.ttl of +a bundle containing presets should list the presets like so:</p> + +<pre class="turtle-code"> +eg:mypreset + a pset:Preset ; + lv2:appliesTo eg:myplugin ; + rdfs:seeAlso <mypreset.ttl> . +</pre> +""" . + +pset:Bank + a rdfs:Class ; + rdfs:label "Bank" ; + rdfs:subClassOf [ + a owl:Restriction ; + owl:onProperty rdfs:label ; + owl:someValuesFrom xsd:string ; + rdfs:comment "A Bank MUST have at least one string rdfs:label." + ] ; + rdfs:comment "A bank of presets." . + +pset:Preset + a rdfs:Class ; + rdfs:subClassOf lv2:PluginBase ; + rdfs:label "Preset" ; + rdfs:subClassOf [ + a owl:Restriction ; + owl:onProperty rdfs:label ; + owl:someValuesFrom xsd:string ; + rdfs:comment "A Preset MUST have at least one string rdfs:label." + ] ; + lv2:documentation """ +<p>A Preset for an LV2 Plugin. The structure of a Preset deliberately mirrors that +of a plugin, so existing predicates can be used to describe any data associated with +the preset. For example:</p> + +<pre class="turtle-code"> +@prefix eg: <http://example.org/> . + +eg:mypreset + a pset:Preset ; + rdfs:label "One louder" ; + lv2:appliesTo eg:myplugin ; + lv2:port [ + lv2:symbol "volume1" ; + pset:value 11.0 + ] , [ + lv2:symbol "volume2" ; + pset:value 11.0 + ] . +</pre> + +<p>A Preset SHOULD have at least one lv2:appliesTo property. Each Port on a +Preset MUST have at least a lv2:symbol property and a pset:value property.</p> + +<p>Hosts SHOULD save user presets to a bundle in the user-local LV2 directory +(e.g. ~/.lv2) with a name like +<code><Plugin_Name>_<Preset_Name>.preset.lv2</code> +(e.g. <code>LV2_Amp_At_Eleven.preset.lv2</code>), where names are transformed +to be valid LV2 symbols for maximum compatibility.</p> +""" . + +pset:bank + a rdf:Property ; + rdfs:domain pset:Preset ; + rdfs:range pset:Bank ; + rdfs:label "bank" ; + rdfs:comment "The bank this preset belongs to." . + +pset:value + a rdf:Property ; + rdfs:domain lv2:Port ; + rdfs:label "value" ; + rdfs:comment """Specifies the value of a Port on some Preset. This property is used in a similar way to e.g. lv2:default.""" . + +pset:preset + a rdf:Property ; + rdfs:domain lv2:PluginBase ; + rdfs:range pset:Preset ; + rdfs:label "preset" ; + lv2:documentation """ +<p>Specifies the preset currently applied to a plugin instance. This property +may be useful for saving state, or notifying a plugin instance at run-time +about a preset change.</p> +""" . |