[LAU] Alsa to jack bridge and asoundrc

[S. Massy]

On Wed, Oct 19, 2011 at 01:27:22AM +0200, Robin Gareus wrote:
> Hi Fons, *
> 
> On 10/19/2011 12:43 AM, Fons Adriaensen wrote:
> > On Tue, Oct 18, 2011 at 05:46:12PM -0400, S. Massy wrote:
> > 
> >> http://alsa.opensrc.org/Jack_and_Loopback_device_as_Alsa-to-Jack_bridge
> > 
> > Interesting page !
> >  
> >> I compiled the aloop module and it works fine, but when I try setting up
> >> the asoundrc as described, and use the device, I get.
> >> ALSA lib pcm_dmix.c:1018:(snd_pcm_dmix_open) unable to open slave
> >> aplay: main:654: audio open error: Invalid argument
> >>
> >> Does anyone know what this uninformative error mean? 
> I don't.
> 
> >> Has anybody ever
> >> had luck with a similar setup?
> 
> yes, aloop + alsa_in/alsa_out work just fine here since over a year.
> 
> I only use the snd-aloop module from the alsa-drivers. All other alsa
> kernel stuff is from the original kernel.
Would you mind sharing your asoundrc just to make sure? Here, I'm stuck
with the "invalid argument" error message, which is singularly
unhelpful.

Cheers,
S.M.