[LV2] lv2:relation

[Paul Giblock]

How would a host query a plugin for available parameters?
On Feb 28, 2012 6:54 PM, "David Robillard" <d at drobilla.net> wrote:

> On Tue, 2012-02-28 at 19:12 +0100, Stefan Kersten wrote:
> > On 28.02.12 03:47, David Robillard wrote:
> > > On Mon, 2012-02-27 at 17:12 -0500, David Robillard wrote:
> > >> Since we've unfortunately overloaded "property", I'm calling this the
> > >> port's "relation".
> > >
> > > Actually, on second though, is this a "parameter"?
> >
> > .sounds much more accessible than "relation".
>
> Yeah, the idea hadn't quite fully formed in my head yet.  It's really
> "property" but that's too overloaded.  I think people will guess what
> "parameter" meann pretty accurately.
>
> > > "Parameter" =
> > >  * Identified by URI, has a "value" of any type (one per URI per
> plugin)
> > >  * Is a property the plugin "understands"
> > >  * Likely to be saved in plugin state
> > >  * Can get/set by sending a message
> > >  * Can be expressed in a control port
> >
> > so this would not necessarily be tied to a port?
>
> Right.  Mainly, you could set/get one via messages (via an event port)
> as well.  Among other things, this means you could create them
> dynamically.  I like that this is tied in with ports so the abstract
> concept of a "parameter" is not tied to the logistics of ports or
> whatever else.
>
> -dr
>
>
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