linuxaudio.org

Hi Fons,
On Sun, 13 Jun 2010, fons@kokkinizita.net wrote:
> So I have a simple question:

quoted text
>

> What is the absolute minimum required to define an LV2

> plugin (in other words, which files, and what do they

> need to contain) assuming the following:

Minimum to define an LV2 plugin is here:
     http://lv2plug.in/docs/index.php?title=Writing_Plugins

     http://lv2plug.in/plugins/Amp-example.lv2
> - The plugin requires one 'extension'.

quoted text
>

> - This extension defines everything except whatever is

>  required to enable a host to discover the existence

>  of the plugin on a system.

>

> - In other words the extension defines how the host is

>  supposed to instantiate and call the plugin, the way

>  ports and parameter are described, etc. etc.

When you start adding extension requirements, this

documentation is currently buried in the bowls of lv2.ttl

(http://lv2plug.in/spec/lv2.ttl).  You declare it in your

plugin's .ttl file.  Here's an example from zynadd, with the

lv2:optionalFeature and lv2:requiredFeature lines:
==========================================================
   a lv2:Plugin;

   doap:maintainer [

     foaf:name "Nedko Arnaudov";

     foaf:homepage ;

     foaf:mbox ;

   ];

   doap:name "zynadd";

   doap:homepage ;

   doap:license ;

   lv2:optionalFeature ;

   lv2:requiredFeature ;
   lv2:port [

....

=============================================================
-gabriel
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