[PD] alsa and jack on ARM/Wandbaord

dreamer dreamer at puikheid.nl
Mon Sep 23 09:36:01 CEST 2013

I have found that jack on ARM has some issues that are only fixed in
current jack2, not jack1.
So see if you can get jack2 running and report.

Hopefully this helps or is another clue.

On Mon, Sep 23, 2013 at 8:25 AM, IOhannes m zmölnig <zmoelnig at iem.at> wrote:

> On 09/22/13 21:00, Chris Clepper wrote:
> > I've got a Wandboard* here for some testing and I can't get Alsa to work
> in
> > duplex.  Testing with arecord produces a soundfile and aplay plays it
> back.
> >  But starting Pd with Alsa or jack gives the dreaded errors about the
> > resource being in use.
> i did some tests with the wandboard and an external USB soundcard, and i
> *never* managed to get jackd running stable for "longer" (the project
> required that audio would work for days and weeks without restart).
> so i ended up using a complicated (compared to jack) plugin system based
> on ALSA.
> it turned out that the timing on the wandboard is much too imprecise for
> jack (and the connected cheapo USB-soundcard did not help)
> obviously this is not the problem you are facing here (as i did get full
> duplex sound), but maybe this info is of some other use...
> fgmasdr
> IOhannes
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