Re: [LAD] JACK on Gigaport HD+ at 4800kHz (reduced channel count)

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To: Paul Davis <paul@...>
Cc: linux-audio-dev@lists.linuxaudio.org <linux-audio-dev@...>
Date: Tuesday, February 25, 2014 - 3:52 pm

On Tue, Feb 25, 2014 at 10:09:16AM -0500, Paul Davis wrote:

> the option doesn't alter what the JACK backend sees from ALSA (or

Wrong. If things were as you claim, this should just work:
(on a 64-ch card)

fons@hypatia:~> jackd -P70 -p256 -t2000 -u -dalsa -dhw:0,0 -r48000 -p256 -n2 -i16 -o16
...
ALSA: cannot set channel count to 16 for capture
ALSA: cannot configure capture channel
cannot load driver module alsa

The -i and -o values ARE used as parameters to ALSA, and
not just to determine how many of the available channels
are mapped to Jack ports. You can also verify this in the
sources.

Ciao,

--
FA

A world of exhaustive, reliable metadata would be an utopia.
It's also a pipe-dream, founded on self-delusion, nerd hubris
and hysterically inflated market opportunities. (Cory Doctorow)

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Messages in current thread:
[LAD] JACK on Gigaport HD+ at 4800kHz (reduced channel count), Jörn Nettingsmeier, (Mon Feb 24, 10:35 pm)
Re: [LAD] JACK on Gigaport HD+ at 4800kHz (reduced channel c..., Jörn Nettingsmeier, (Tue Feb 25, 10:08 pm)
Re: [LAD] JACK on Gigaport HD+ at 4800kHz (reduced channel c..., Jörn Nettingsmeier, (Tue Feb 25, 1:25 pm)
Re: [LAD] JACK on Gigaport HD+ at 4800kHz (reduced channel c..., Fons Adriaensen, (Tue Feb 25, 3:52 pm)