diff options
Diffstat (limited to 'core.lv2')
| -rw-r--r-- | core.lv2/lv2.ttl | 73 |
1 files changed, 47 insertions, 26 deletions
diff --git a/core.lv2/lv2.ttl b/core.lv2/lv2.ttl index a34a300..b2fe6e4 100644 --- a/core.lv2/lv2.ttl +++ b/core.lv2/lv2.ttl @@ -112,7 +112,7 @@ those in <a href="http://www.ladspa.org/">LADSPA</a>: <em>control</em> and <em>audio</em>. Audio data is communicated using arrays with one <code>float</code> element per sample, allowing a block of audio to be processed by the plugin in a single call to <code>run()</code>. Control data is -communicated using single <code>float</code> values, which are considered valid +communicated using single <code>float</code> values, which are fixed and valid for the duration of the call to <code>run()</code>. Thus the "control rate" is determined by the block size, which is controlled by the host (and not necessarily constant).</p> @@ -161,7 +161,6 @@ allowed. For example, a host may call run() for two different plugin instances simultaneously.</p>""" . - ############################# ## Template/Plugin Classes ## ############################# @@ -202,7 +201,6 @@ detailed descriptions. """ . - ################## ## Port Classes ## ################## @@ -231,11 +229,13 @@ and another to describe the specific data type, e.g. lv2:AudioPort). """ ] , [ a owl:Restriction ; owl:onProperty lv2:index ; - owl:someValuesFrom xsd:decimal ; + owl:someValuesFrom xsd:nonNegativeInteger ; owl:cardinality 1 ; rdfs:comment """ -A port MUST have a single lv2:index which is of type xsd:decimal (e.g. a -literal integer in Turtle). +A port MUST have a single lv2:index which is of type xsd:nonNegativeInteger +(e.g. a non-negative integer literal in Turtle). The actual RDF datatype +of the index MAY be xsd:integer (which is what a generic Turtle parser +will do), but the value itself MUST be non-negative. """ ] , [ a owl:Restriction ; owl:onProperty lv2:symbol ; @@ -253,9 +253,9 @@ A port MUST have at least one lv2:name which is of type xsd:string. lv2:documentation """ <p>The class which represents an LV2 port.</p> -<p>All LV2 port descriptions MUST have a rdf:type that is one of one of -lv2:Port lv2:InputPort or lv2:OutputPort. Additionally there MUST be at least -one other rdf:type which more specifically describes type of the port +<p>All LV2 port descriptions MUST have a rdf:type that is one of lv2:Port +lv2:InputPort or lv2:OutputPort. Additionally there MUST be at least one other +rdf:type which more precisely describes type of the port (e.g. lv2:AudioPort).</p> <p>Hosts that do not support a specific port class MUST NOT instantiate the @@ -414,15 +414,40 @@ lv2:binary a rdf:Property ; rdfs:range rdfs:Resource ; rdfs:label "binary" ; lv2:documentation """ -The binary of an LV2 resource. The value of this property must be a URI that -resolves to a shared library object (the actual type of this library is system -specific). -This is a required property of a Plugin which MUST be included in the bundle's -<tt>manifest.ttl</tt> file. The lv2:binary of an lv2:Plugin is the shared -object containing the <code>lv2_descriptor()</code> function which can be used -to access the descriptor for that plugin. This property may be used similarly -by extensions to relate other resources to their implementations.""" . +<p>The binary of an LV2 resource. The value of this property must be a URI that +resolves to a shared library object (the actual type of this library is system +specific).</p> + +<p>This is a required property of a Plugin which MUST be included in the +bundle's <tt>manifest.ttl</tt> file. The lv2:binary of an lv2:Plugin is the +shared object containing the <code>lv2_descriptor()</code> function which can +be used to access the descriptor for that plugin. This property may be used +similarly by extensions to relate other resources to their implementations.</p> +""" . + +lv2:appliesTo a rdf:Property ; + rdfs:domain rdfs:Resource ; + rdfs:range lv2:Plugin ; + rdfs:label "Applies to" ; + lv2:documentation """ +<p>Specifies that a resource is related to a plugin. This is primarily intended +for discovery purposes: bundles that describe resources that work with +particular plugins (e.g. presets or user interfaces) SHOULD use this predicate +in <tt>manifest.ttl</tt> to relate the resource to the applicable +plugin(s), e.g.:</p> +<pre> +<thing> + a ext:Thing ; + lv2:appliesTo <plugin> ; + rdfs:seeAlso <thing.ttl> . +</pre> + +<p>Particularly for large amounts of data, this is preferable to +extending the plugin description with rdfs:seeAlso since the host may choose +if/when to load the data, knowing that it describes an additional resource and +not the plugin itself.</p> +""" . #################################### @@ -486,7 +511,6 @@ property without changing the Plugin URI. """ . - ################################## ## Optional Port RDF Properties ## ################################## @@ -538,7 +562,6 @@ values in the range of a port's data type. """ . - ############## ## Features ## ############## @@ -614,13 +637,11 @@ This property is not related to "hard real-time" execution requirements lv2:inPlaceBroken a lv2:Feature ; rdfs:label "in-place broken" ; rdfs:comment """ -Indicates that the plugin may cease to work correctly if the host elects -to use the same data location for both audio input and audio output. -Plugins that will fail to work correctly if ANY input buffer for a port of -the class lv2:AudioPort is set to the same location as ANY output buffer for -a port of the same class (with connect_port()) MUST require this Feature. -Doing so should be avoided as it makes it impossible for hosts to use the -plugin to process audio "in-place". +Indicates that the plugin may cease to work correctly if the host elects to use +the same data location for both input and output. Plugins that will fail to +work correctly if ANY input port is connected to the same location as ANY +output port MUST require this Feature. Doing so should be avoided as it makes +it impossible for hosts to use the plugin to process data "in-place". """ . lv2:hardRTCapable a lv2:Feature ; |