[LAD] How to develop guis for LV2?

[David Robillard]

On Sun, 2009-11-08 at 20:59 +0000, Chris Cannam wrote:
> On Sun, Nov 8, 2009 at 8:53 PM, Chris Cannam
> <cannam at all-day-breakfast.com> wrote:
> > On Sun, Nov 8, 2009 at 8:43 PM, Paul Davis <paul at linuxaudiosystems.com> wrote:
> >>  [X] This plugin was discovered but can't be used without hacking this
> >> host and recompiling because its uses an extension that isn't
> >> currently supported.
> >>
> >> That kind of PITA? :)
> >
> > That kind of PITA, for every new plugin that is installed, but perhaps
> > the bigger problem is what to do about optional extensions.  The
> > plugin may run without them, but for all you know, it may run in a way
> > that is not really satisfactory for most real users of it.  Warn them
> > at install time and they'll certainly have forgotten by the time the
> > plugin actually gets used, or at least will be unable to recognise the
> > symptom.
> 
> Also -- are you, like me, bored with LADSPA plugins crashing your host
> in tedious, obvious ways?  How about an LV2 plugin that expects a
> particular extension but doesn't really need it so marks it as
> optional, then turns out not to have been tested without it -- and,
> wouldn't you know, every host except yours happens to support that
> extension?  Wouldn't you love to be the first host to run the untested
> code path in production?
> 
> (I freely admit that this is a sort of FUD, but it happens to be a FUD
> that is playing on my own mind at the moment.  Reassure me.)

Can't really do anything about plugins that crash(*), for whatever
reason.   I don't think extensions increase this likelihood.

We just need tools to aggressively test plugins and find this stuff.

-dr

(* at least in realtime...)