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-@prefix bufsz: <http://lv2plug.in/ns/ext/buf-size#> .
-@prefix lv2: <http://lv2plug.in/ns/lv2core#> .
-@prefix opts: <http://lv2plug.in/ns/ext/options#> .
-@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/buf-size>
- a lv2:Specification ;
- rdfs:seeAlso <buf-size.h> ,
- <lv2-buf-size.doap.ttl> ;
- lv2:documentation """
-<p>This extension defines a facility for plugins to get information about the
-block length (the sample_count parameter of LV2_Descriptor::run) and
-port buffer sizes, as well as several features which can be used to restrict
-the block length.</p>
-
-<p>This extension defines features and properties but has no special purpose
-API of its own. The host provides all the relevant information to the plugin
-as <a href="../options/options.html#options">options</a>.</p>
-
-<p>To require restrictions on the block length, plugins can require additional
-features: bufsz:boundedBlockLength, bufsz:powerOf2BlockLength, and
-bufsz:fixedBlockLength. These features are data-only, that is they merely
-indicate a restriction and do not carry any data or API.</p>
-""" .
-
-bufsz:boundedBlockLength
- a lv2:Feature ;
- lv2:documentation """
-<p>A feature that indicates the host will provide both the bufsz:minBlockLength
-and bufsz:maxBlockLength options to the plugin. Plugins that copy data from
-audio inputs can require this feature to ensure they know how much space is
-required for auxiliary buffers. Note the minimum may be zero, this feature is
-mainly useful to ensure a maximum is available.</p>
-
-<p>All hosts SHOULD support this feature, since it is simple to support and
-necessary for any plugins that may need to copy the input.</p>
-""" .
-
-bufsz:fixedBlockLength
- a lv2:Feature ;
- lv2:documentation """
-<p>A feature that indicates the host will always call LV2_Descriptor::run()
-with the same value for sample_count. This length MUST be provided as the
-value of both the bufsz:minBlockLength and bufsz:maxBlockLength options.</p>
-
-<p>Note that requiring this feature may severely limit the number of hosts
-capable of running the plugin.</p>
-""" .
-
-bufsz:powerOf2BlockLength
- a lv2:Feature ;
- lv2:documentation """
-<p>A feature that indicates the host will always call LV2_Descriptor::run()
-with a power of two sample_count. Note that this feature does not guarantee
-the value is the same each call, to guarantee a fixed power of two block length
-plugins must require both this feature and bufsz:fixedBlockLength.</p>
-
-<p>Note that requiring this feature may severely limit the number of hosts
-capable of running the plugin.</p>
-""" .
-
-bufsz:coarseBlockLength
- a lv2:Feature ;
- rdfs:label "coarse block length" ;
- lv2:documentation """
-<p>A feature that indicates the plugin prefers coarse, regular block lengths.
-For example, plugins that do not implement sample-accurate control use this
-feature to indicate that the host should not split the run cycle because
-controls have changed.</p>
-
-<p>Note that this feature is merely a hint, and does not guarantee a fixed
-block length. The run cycle may be split for other reasons, and the blocksize
-itself may change anytime.</p>
-""" .
-
-bufsz:maxBlockLength
- a rdf:Property ,
- owl:DatatypeProperty ,
- opts:Option ;
- rdfs:label "maximum block length" ;
- rdfs:range xsd:nonNegativeInteger ;
- lv2:documentation """
-<p>The maximum block length the host will ever request the plugin to process at
-once, that is, the maximum <code>sample_count</code> parameter that will ever
-be passed to LV2_Descriptor::run().</p>
-""" .
-
-bufsz:minBlockLength
- a rdf:Property ,
- owl:DatatypeProperty ,
- opts:Option ;
- rdfs:label "minimum block length" ;
- rdfs:range xsd:nonNegativeInteger ;
- lv2:documentation """
-<p>The minimum block length the host will ever request the plugin to process at
-once, that is, the minimum <code>sample_count</code> parameter that will ever
-be passed to LV2_Descriptor::run().</p>
-""" .
-
-bufsz:nominalBlockLength
- a rdf:Property ,
- owl:DatatypeProperty ,
- opts:Option ;
- rdfs:label "nominal block length" ;
- rdfs:range xsd:nonNegativeInteger ;
- lv2:documentation """
-<p>The typical block length the host will request the plugin to process at
-once, that is, the typical <code>sample_count</code> parameter that will
-be passed to LV2_Descriptor::run(). This will usually be equivalent, or close
-to, the maximum block length, but there are no strong guarantees about this
-value whatsoever. Plugins may use this length for optimization purposes, but
-MUST NOT assume the host will always process blocks of this length. In
-particular, the host MAY process longer blocks.</p>
-""" .
-
-bufsz:sequenceSize
- a rdf:Property ,
- owl:DatatypeProperty ,
- opts:Option ;
- rdfs:label "sequence size" ;
- rdfs:range xsd:nonNegativeInteger ;
- lv2:documentation """
-<p>The maximum size of a sequence, in bytes. This should be provided as an
-option by hosts that support event ports (including but not limited to MIDI),
-so plugins have the ability to allocate auxiliary buffers large enough to copy
-the input.</p> """ .