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

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To: Fons Adriaensen <fons@...>
Cc: linux-audio-dev@lists.linuxaudio.org <linux-audio-dev@...>
Date: Tuesday, February 25, 2014 - 4:00 pm

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On Tue, Feb 25, 2014 at 10:52 AM, Fons Adriaensen wrote:

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

clearly i have losted a RAM card or something. I could have sworn it worked
as i described because otherwise i could never have tested it on an RME
card without avoiding hw:N

i should run the memory checker on myself these days.

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On Tue, Feb 25, 2014 at 10:52 AM, Fons Adriaensen <fons@linuxaudio.org> wrote:
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.clearly i have losted a RAM card or something. I could have sworn it worked as i described because otherwise i could never have tested it on an RME card without avoiding hw:N
i should run the memory checker on myself these days.

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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..., Paul Davis, (Tue Feb 25, 4:00 pm)