[linux-audio-user] Re: [linux-audio-dev] Edirol FA-101

Mark Knecht markknecht at gmail.com
Fri Oct 21 22:23:28 EDT 2005

> >
> > Look at his command line:
> >
> > jackd -d iec61883 -o osc.udp://localhost:31000
> >
> > If I run this I get:
> >
> > rlrevell at mindpipe:~/kernel-source/linux-2.6.13$ jackd -d iec61883
> > jackd: unknown driver 'iec61883'
> >
> > So he must be using a third party patch to jackd from the Freebob people
> > that implements the 'iec61883' backend.
> >
> > Lee
> I'm probably whacked. I just assumed that was the name available when
> the amdtp driver was modprobed. Most likely you are right and they
> have developed an iec61883 Alsa driver which they have Jack talking
> to.
> For kicks I've just built all the 61883 stuff for this kernel I'm
> working on. I'll modprobe it sometime after rebooting and convince
> myself that you are correct.
> Cheers,
> Mark

I downloaded but didn't yet build the Freebob package. They are
distributing their driver with a version of Jack - I think 100.1. They
have added their stuff under the jackd/drivers directory.

I didn't want to build it as it would probably start over wirting my
version of JAck. It looks like it would be good to get them integrated
into the mail Jack distribution.

I wonder if they have changed Jack to suit their needs. or is this
just easier for them than trying to embed their freebob driver into
the existing Jack direcories? Not sure it matters. It's just what they
are doing.

On a side note, I did a little bit of Wine testing with Jack. It seems
that Wine will produce audio using Jack 0.99 but will doesn't work
with 100.5.

It seems to be getting a bt messy:

Wine -> 0.99
Freebob -> 100.1
Ardour -> 100.5 (or something like that to get latency adjustments...)
My system -> 100.5

Maybe it's time for some sort of consolidation? It would be great to
get all of these things working on the same version.

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