diff options
Diffstat (limited to 'ext/atom.lv2/atom.ttl')
| -rw-r--r-- | ext/atom.lv2/atom.ttl | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/ext/atom.lv2/atom.ttl b/ext/atom.lv2/atom.ttl index 9158328..6e08359 100644 --- a/ext/atom.lv2/atom.ttl +++ b/ext/atom.lv2/atom.ttl @@ -142,11 +142,16 @@ vector, e.g. <pre> uint16_t elem_size = (vector.size - (2 * sizeof(uint16_t))) / vector.count); </pre> -Note that it is possible to construct a valid Atom for each element of the -vector, even by an implementation which does not understand <code>type</code>. +Note that it is possible to construct a valid Atom for each element +of the vector, even by an implementation which does not understand +<code>elem_type</code>. + +Note that an Atom is 32-bit aligned by definition, and both the Atom and +Vector headers are 32-bits each, therefore the first element of a Vector is +64-bit aligned. For example, an atom:Vector containing 42 elements of type atom:Int32 looks -like this in memory: +like this in memory (including the Atom header): <pre> uint16_t atom_type = uri_map(atom:Vector) uint16_t atom_size = (2 * sizeof(uint16_t)) + (42 * sizeof(int32_t)) @@ -157,12 +162,12 @@ int32_t contents[42] = ... """ . -atom:Array a atom:AtomType ; - rdfs:label "Array" ; +atom:Tuple a atom:AtomType ; + rdfs:label "Tuple" ; rdfs:comment """ A POD sequence of atoms with varying types and sizes. -The body of an array is simply a series of complete atoms, aligned to +The body of a tuple is simply a series of complete atoms, aligned to 32 bits. """ . |