diff options
Diffstat (limited to 'ext/atom.lv2/atom.ttl')
| -rw-r--r-- | ext/atom.lv2/atom.ttl | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/ext/atom.lv2/atom.ttl b/ext/atom.lv2/atom.ttl index 0173d51..e6ed6b9 100644 --- a/ext/atom.lv2/atom.ttl +++ b/ext/atom.lv2/atom.ttl @@ -1,3 +1,4 @@ + # LV2 Atom Extension # Copyright (C) 2007-2010 David Robillard <d@drobilla.net> # @@ -122,23 +123,6 @@ always 4. """ . -atom:Message a atom:AtomType ; - rdfs:label "Message" ; - rdfs:comment """ -A message is a communication from one component to another. Messages -consist of a selector URI, and a set of RDF triples. The selector URI -dictates how the triples are to be interpreted (e.g. the selector can -be used as a "verb" to build commands). - -The payload of a message is always an atom:Triples so hosts and plugins can -always work with message data (e.g. to serialise for saved state or an undo -stack), even if they do not specifically understand a particular message. - -In memory, a Message is simply a uint32_t selector (a URI mapped integer) -followed by an atom:Triples. -""" . - - atom:Vector a atom:AtomType ; rdfs:label "Vector" ; rdfs:comment """ @@ -171,14 +155,28 @@ int32_t contents[42] = ... """ . +atom:Property a atom:AtomType ; + rdfs:label "RDF property of some object" ; + rdfs:comment """ +A description in RDF of a single property for some object (i.e. an RDF +statement with only predicate and object defined). +<pre> +uint32_t predicate; +LV2_Atom object; +</pre> +""" . + + atom:Triple a atom:AtomType ; rdfs:label "RDF triple" ; rdfs:comment """ A single RDF triple. -The subject and predicate of an RDF triple are implicitly URIs, thus in an -atom:Triple they are stored as URI mapped integers with type tags and sizes -omitted. +The subject and predicate of a Triple are implicitly URIs, thus they are stored +as URI mapped integers with type and size ommitted (i.e. a single uint32_t). + +An atom:Triple is memory is a uint32_t subject immediately followed by the +body of an atom:Property. An atom:Triple in memory is two uint32_t's followed by an LV2_Atom: <pre> @@ -247,6 +245,7 @@ atom:Float64 a atom:AtomType ; rdfs:label "64-bit Floating Point Number" . atom:blobSupport a lv2:Feature ; rdfs:label "Blob support" ; rdfs:comment """ + Support for dynamically allocated blobs. If a host supports this feature, it MUST pass an LV2_Feature with URI http://lv2plug.in/ns/ext/atom#blobSupport and a pointer to LV2_Blob_Support as data to the plugin's instantiate method. |