[linux-audio-dev] Freeverb and default control parameters

Dave Robillard drobilla at connect.carleton.ca
Tue Nov 23 07:58:55 UTC 2004


On Sun, 2004-21-11 at 19:50 +0100, Mathias Lundgren wrote:
> sön 2004-11-21 klockan 17.26 skrev Dave Robillard:
> > On Sun, 2004-21-11 at 15:21 +0100, Mathias Lundgren wrote:
> > > Hi!
> > > 
> > > I've been trying to implement LADSPA send effects in my latest playtoy.
> > > I've had some problems with freeverb though. It simple doesn't produce
> > > any output (execution seems to be veeery demanding) until I specifically
> > > set some of the parameters to non-default values. I thought the default
> > > port parameters would take care of this, initializing the plugin with
> > > sane values to avoid things like these, but perhaps I'm doing something
> > > wrong... Has anyone else noticed anything similar with freeverb?
> > > 
> > > /Mathias
> > > 
> > 
> > Are you specifically setting the default values?  They're just hints,
> > the host still has to set them.  Plugins don't initialize ports to
> > default values IIRC, they will be garbage until you set them to
> > something.
> > 
> > 
> > -DR-
> 
> Yes, I'm specifically setting them, with the values provided by the
> hinst. Using the hint-values, nothing comes out of it and execution is
> really slow, when using some "personal" values, things mysteriously
> begin to work.
> 
> /Mathias
> 
> 

Looks like the default values for freeverb have both dry and wet gain at
0.  That would explain it, eh? :)

-DR-





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