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lv2
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presets.lv2
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presets.meta.ttl
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@prefix dcs: <http://ontologi.es/doap-changeset#> . @prefix doap: <http://usefulinc.com/ns/doap#> . @prefix foaf: <http://xmlns.com/foaf/0.1/> . @prefix lv2: <http://lv2plug.in/ns/lv2core#> . @prefix pset: <http://lv2plug.in/ns/ext/presets#> . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . <http://lv2plug.in/ns/ext/presets> a doap:Project ; doap:license <http://opensource.org/licenses/isc> ; doap:name "LV2 Presets" ; doap:shortdesc "Presets for LV2 plugins." ; doap:created "2009-00-00" ; doap:developer <http://drobilla.net/drobilla#me> ; doap:release [ doap:revision "2.8" ; doap:created "2012-10-14" ; doap:file-release <http://lv2plug.in/spec/lv2-1.2.0.tar.bz2> ; dcs:blame <http://drobilla.net/drobilla#me> ; dcs:changeset [ dcs:item [ rdfs:label "Use consistent label style." ] , [ rdfs:label "Add preset banks." ] ] ] , [ doap:revision "2.6" ; doap:created "2012-04-17" ; doap:file-release <http://lv2plug.in/spec/lv2-1.0.0.tar.bz2> ; dcs:blame <http://drobilla.net/drobilla#me> ; dcs:changeset [ dcs:item [ rdfs:label "Initial unified release." ] ] ] ; lv2:documentation """ This is a vocabulary for LV2 plugin presets, that is, named sets of control values and possibly other state. 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. 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 them like so: :::turtle eg:mypreset a pset:Preset ; lv2:appliesTo eg:myplugin ; rdfs:seeAlso <mypreset.ttl> . """^^lv2:Markdown . pset:Preset lv2:documentation """ 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: :::turtle @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 ] . 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. Hosts SHOULD save user presets to a bundle in the user-local LV2 directory (for example `~/.lv2`) with a name like `<Plugin_Name>_<Preset_Name>.preset.lv2` (for example `LV2_Amp_At_Eleven.preset.lv2`), where names are transformed to be valid LV2 symbols for maximum compatibility. """^^lv2:Markdown . pset:value lv2:documentation """ This property is used in a similar way to lv2:default. """^^lv2:Markdown . pset:preset lv2:documentation """ 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. """^^lv2:Markdown .