Re: [LAU] Jack from CLI [Was: mplayer no go with snd-hdsp]

From: Giso Grimm <gg3137@email-addr-hidden>
Date: Mon Sep 29 2014 - 09:35:10 EEST

On 09/28/2014 01:27 PM, Fons Adriaensen wrote:
> On Sat, Sep 27, 2014 at 02:31:06PM -0400, Janina Sajka wrote:
>
>>> After having started Jack, in another terminal, run
>>>
>>> jack_lsp
>>>
>>> which should produce a list of Jack ports for your Multiface.
>>
>>
>> Unfortunately it doesn't. It produces no output, and doesn't return. I have to
>> Ctrl-C to get the prompt back.
>
> That's not normal. If Jack isn't running it should detect
> that and just terminate with an error.
>
> This may have to do with the 'port names patch' which seems
> to be applied to your version of Jack. AFAIK it allows you
> to change the names of the soundcard ports by creating a
> file in ~/.config/jack. Maybe the file *must* be there, I
> don't know, this is the first time I hear of this patch.
>
> Could you try to get an unmodified version of Jack, if at
> all possible jack1 (because I know that one better). You
> currently have jack2.

May this be related with dbus support of jack2? If yes, then using jack1
or recompiling jack without dbus support might help. If dbus support is
needed without having X11 then there was a post on the topic by Len
Ovens ('Headless jackdbus (no X11)' on July 22nd 2013).

- Giso

>
> Note: before installing any new version of Jack ensure that
> any others are completely removed. Having more than one
> version installed or even parts of another version always
> creates strange problems.
>
> Ciao,
>

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Received on Mon Sep 29 12:15:03 2014

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