[LAU] Cannot set -C and -P devices using qjackctl

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To: Linux Audio User <linux-audio-user@...>
Date: Tuesday, July 10, 2012 - 7:58 pm

OK... I am having a really strange problem with qjackctl. Ubuntu 12.04, Jack 1.9.8, qjackctl 0.3.8.

I've chosen my USB audio interface for capture and playback -- .jackdrc looks like this:

/usr/bin/jackd -P70 -dalsa -r44100 -p1024 -n2 -D -Chw:1 -Phw:1,0

But, when qjackctl starts jack, it uses -Chw:0 -Phw:0.

What's even more strange is that it was working yesterday. Today, no luck. No matter what I choose for the capture and playback devices, it always uses the laptop's built-in hardware. But, if I run the jackd command in the terminal, it DOES use the right device. So it seems simply that qjackctl is issuing the wrong command.

As another test, I changed the hardware buffer size, but that is used correctly. So it's only the devices.

I've heard of other problems with qjackctl vs. jackdbus -- is qjackctl the wrong tool? What is the right tool?

Sorry if this is too basic a question. jackaudio.org is, unfortunately, no help at all: I would have thought the page about "Configuring and running a JACK server" would explain:

http://trac.jackaudio.org/wiki/WalkThrough/User/GettingStarted

... but it's empty.

Help...?
James

--
James Harkins /// dewdrop world
jamshark70@dewdrop-world.net
http://www.dewdrop-world.net

"Come said the Muse,
Sing me a song no poet has yet chanted,
Sing me the universal." -- Whitman

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Messages in current thread:
[LAU] Cannot set -C and -P devices using qjackctl, James Harkins, (Tue Jul 10, 7:58 pm)
Re: [LAU] Cannot set -C and -P devices using qjackctl, James Harkins, (Tue Jul 10, 8:05 pm)
Re: [LAU] Cannot set -C and -P devices using qjackctl, James Harkins, (Tue Jul 10, 8:23 pm)
Re: [LAU] Cannot set -C and -P devices using qjackctl, James Harkins, (Tue Jul 10, 8:39 pm)
Re: [LAU] Cannot set -C and -P devices using qjackctl, Fons Adriaensen, (Tue Jul 10, 10:45 pm)
Re: [LAU] Cannot set -C and -P devices using qjackctl, James Harkins, (Tue Jul 10, 9:37 pm)
Re: [LAU] Cannot set -C and -P devices using qjackctl, James Harkins, (Tue Jul 10, 9:54 pm)
Re: [LAU] Cannot set -C and -P devices using qjackctl, James Harkins, (Tue Jul 10, 10:12 pm)