liblrdf is a library for handling RDF (http://www.w3.org/RDF/)
descriptions of LADSPA (and potentially other format) plugins.
It allows grouping of plugins into trees for user slection and finer
description of plugins and ports than the .so format allows (for example
to indicatate textual equivalents of integer port values). It also
provides named and described defaults and presets, metadata and general