[PlanetCCRMA] Virtual Alsa->Jack devices

Mark Knecht Mark Knecht <markknecht@gmail.com>
Mon Mar 7 20:45:01 2005


:-( 

Well, spoke a little too soon. Now the connections can be made and
everythign is hooked up but I actually don't get any sound.

Bummer.

:-(


On Mon, 7 Mar 2005 20:38:35 -0800, Mark Knecht <markknecht@gmail.com> wrote:
> Hey! It works. thanks!
> 
> cheers,
> Mark
> 
> On 07 Mar 2005 19:21:53 -0800, Fernando Lopez-Lezcano
> <nando@ccrma.stanford.edu> wrote:
> > On Mon, 2005-03-07 at 18:55, Mark Knecht wrote:
> > > Hi,
> > >    Aaron & I were looking at a problem today. I ran across this code
> > > stub on the Alsa site which is supposed to create a virtual Alsa
> > > device which allow an Alsa app to tie into the Jack hierarchy:
> > >
> > > http://www.alsa-project.org/alsa-doc/doc-php/asoundrc.php?company=Generic&card=Generic&chip=Generic&module=Generic
> > >
> > > and in .asoudrc"
> > >
> > >         pcm.jackplug {
> > >                type plug
> > >                slave { pcm "jack" }
> > >        }
> > >
> > >        pcm.jack {
> > >                type jack
> > >                playback_ports {
> > >                       0 alsa_pcm:playback_1
> > >                       1 alsa_pcm:playback_2
> > >               }
> > >                capture_ports {
> > >                       0 alsa_pcm:capture_1
> > >                        1 alsa_pcm:capture_2
> > >                }
> > >        }
> > >
> > > I tried it but it doesn't work for me. Is this due to my use of an RME
> > > card or is this example on the Alsa site bogus?
> > >
> > > Thanks for any responses to this sort of OT question.
> >
> > Never used this but it seems it uses the alsa jack plugin, that's in a
> > package not installed by default, so try:
> >   apt-get install alsa-lib-jack-plugin
> >
> > -- Fernando
> >
> >
>