[LAD] [A plugin scanner:] Cache text file formats: rdf, ttl, custom xml?

Hermann Meyer brummer- at web.de
Mon Oct 29 05:40:17 CET 2018

Hi Tim

On guitarix we wrap the LADSPA/LV2 plugins to our own internal plugin 
format and save instructions in json format.

Downside of cached information is, that it could clash on plugin load 
when the plugin have changed it's ports (updated).

So when you save plugin information on your own, you need to check 
before you at least load the plugin, if the cached information is still 



Am 28.10.18 um 06:29 schrieb Tim:
> Hi list, I'm working on version 2 of MusE's safe plugin
>  scanner which now creates cached text lists of all plugins
>  found on the system, seven formats: ladspa, dssi, dssi-vst,
>  LinuxVst, vst, lv2, and our own MESS).
> Currently each cache file is a custom xml template describing all
>  the various features of each plugin found, in one common format.
> For six of the formats listed above it went smoothly but when
>  I made the LV2 section I kept thinking - I'm re-inventing the wheel.
> LV2 already uses Turtle text description files, so it was a bit odd
>  making a converter from/to my xml format to/from lilv ttl scans.
> Question: Can rdf, or ladspa rdf, or Turtle files be used to
>  generally specify ANY type of plugin, so that the various
>  tools and libraries associated with rdf, lrdf, or ttl or lv2
>  can read them in a common way?
> This would also allow me to introduce lrdf (or something rdf-based)
>  into MusE and really take advantage of features like enumerated
>  value strings and so on.
> It'd be great if some rdf tool or library function could scan all
>  my existing ladspa and dssi (and other) plugins for me and present
>  me with an rdf file so I don't have to do all the work.
> Even if the file might lack the ability to fill in those ladspa
>  enumeration value strings when scanning an unidentifiable plugin.
> Thanks.
> Tim.
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