[LAU] plugins

Paul Davis paul at linuxaudiosystems.com
Fri Aug 10 18:47:54 EDT 2007


On Sat, 2007-08-11 at 00:14 +0200, Tom Szilagyi wrote:
> On 8/10/07, Kevin Cosgrove <kevinc at doink.com> wrote:
> >
> > On 10 August 2007 at 0:55, Ken Restivo <ken at restivo.org> wrote:
> >
> > > On Fri, Aug 10, 2007 at 12:06:53AM -0700, Kevin Cosgrove wrote:
> > > > When I use Audacity, why does every plugin show up twice in the
> > > > effects list?  Looking on my hard drive it looks like the plugins are
> > > > only installed in one place, /usr/lib/ladspa, and they all come from
> > > > either swh-plugins-0.4.14-1mdk or tap-plugins-0.7.0-2mdk.
> 
> Just a hunch (I have developed both LADSPA plugins and a host):
> The problem may be due to the fact that some hosts have hard-wired
> defaults for plugin locations. This makes them work for the default
> case (plugins in /usr/lib/ladspa) even with no LADSPA_PATH set.
> However, if it is set, the host may iterate over its hard-wired path
> *and* the paths found in LADSPA_PATH, thus resulting in visiting
> each plugin more than once. If this is indeed the cause, the fix is
> to amend the host to drop duplicate paths from the merged list
> of paths (from hard-wired paths and paths from LADSPA_PATH).
> Or not use its hard-wired path at all if it finds LADSPA_PATH set.

i differ. the fix is for the host to notice duplicate plugin IDs and
ignore them.

> 
> Tom
> _______________________________________________
> Linux-audio-user mailing list
> Linux-audio-user at lists.linuxaudio.org
> http://lists.linuxaudio.org/mailman/listinfo.cgi/linux-audio-user




More information about the Linux-audio-user mailing list