[LV2] Pd LV2 external?

David Robillard d at drobilla.net
Wed Feb 19 08:11:49 PST 2014

On Sat, 2014-02-15 at 00:45 +0100, Albert Graef wrote:
> On Fri, Feb 7, 2014 at 2:21 AM, David Robillard <d at drobilla.net> wrote:
> > Jalv is a relatively simple example, though it's getting a bit, er,
> > featureful these days, and quite a bit of it is Jack specific, basically
> > everything you need to do is in jalv.c which is pretty digestible.
> >
> > The lilv utilities lv2ls and lv2info might also be useful since they're
> > very simple and get at plugins, but they don't actually do any
> > instantiation or running.
> Thanks, digging through the code was indeed helpful. :) As an
> exercise, I wrote some Lilv bindings for my Pure programming language.
> Writing Pd externals in Pure is much easier than in C, so I
> implemented an lv2plugin~ Pd external using the Pure Lilv bindings
> which seems to work pretty well. MIDI, audio and control data are all
> supported. There's still some stuff missing, most notably preset
> support, but it shouldn't be too hard to add this now that the basic
> infrastructure is there. Also, I want to port the external to plain C
> eventually, but for the time being the Pure implementation should give
> Pd users something to play with.
> In case anyone wants to give it a go, you can find Pure as well as the
> pd-pure and pure-lilv modules including some examples at
> https://bitbucket.org/purelang/pure-lang. The lv2plugin external is in
> its own git repo at Bitbucket, https://bitbucket.org/agraef/lv2plugin.
> I'll also make some packages for this stuff available in the Arch User
> Repositories asap.

Cool stuff!  I added links on the projects page of lv2plug.in


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