[LAU] Jack fallback to alsa when firefire device off?

[Mike Cookson]

Wed, 16 Feb 2011 11:27:42 -1000 письмо от Joel Roth <joelz at pobox.com>:

> On Wed, Feb 16, 2011 at 11:14:21PM +0300, Mike Cookson wrote:
> > Is there such thing? It is not my question, it saw it on irc. And really
> could not find nothing.
> 
> Not sure I understand the question fully. 
> 
> If you are using JACK-based apps, you will always want
> JACK running, whichever audio device is available.
> If your apps don't require JACK, then why bother to use it?
> 
> It sounds like you want some facility to run
> JACK under certain conditions. I believe there
> are some hooks in udev that will let you
> run a script, for example when a firewire device
> is plugged in. That script could start jackd.
> 
> You don't mention the type of app; if it's a
> recorder/player/mixer thing, Nama (based on Ecasound)
> automatically *detects* JACK, falling back to ALSA if
> necessary.
> 
> cheers,
> 
> 
> -- 
> Joel Roth
> _______________________________________________
> Linux-audio-user mailing list
> Linux-audio-user at lists.linuxaudio.org
> http://lists.linuxaudio.org/listinfo/linux-audio-user
I mean feature, that if firewire device is off, jack should switch to alsa - like it switches to dummy on suspend.