[linux-audio-user] Audacity will not work if JACK is running.

Eric Dantan Rzewnicki rzewnickie at rfa.org
Fri Mar 3 16:10:33 EST 2006

On Fri, Mar 03, 2006 at 11:27:16AM -0800, Kevin Cosgrove wrote:
> On 3 March 2006 at 20:20, Christoph Eckert <ce at christeck.de> wrote:
> > > Audacity is not JACK-enabled: you need to stop JACK running to be
> > > able to use Audacity. Audacity looks to access the soundcard but
> > > can't because JACK is using it when it is running.
> > 
> > AFIR there have been rumors that Audacity CVS has JACK support?
> Or is it that Audacity uses PortAudio and JACK *can* have PortAudio 
> support, depending on whether or not it's configured to be compiled 
> in when JACK is built.

I may be mistaken, but I think it's the other way around: portaudio-v19
can talk to jack. I can't think of a reason you would want to run jack
on top of portaudio, even if it were possible.

portaudio-v18 does not have jack support, so audacity must be configured
with --with-portaudio=v19 if you want to use it with jack. Some fixes to
portaudio-v19's jack support don't appear to be in the copy distributed
with the audacity source code, so it's best to replace that dir with the
latest snapshot before building.

Eric Dantan Rzewnicki  |  Linux Audio Developer and Sysadmin
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