Hi,

Jack and Rivendell's daemons all need to be running as the same user or
else they won't see each other.

If you are running the appliance CD / CentOS you can use the option in
rdadmin to have Rivendell start Jack with rdadmin --> Manage Hosts -->
Jack settings.  Doing this it'll start both caed and jack as the same
user (root) and it'll all see each other.  But the challenge is if you
want to use other Jack based applications on the same workstation  - you
would normally want to run these as the logged in user rather then root.
 If run as the logged in user they won't see Jack when it is all started
this way.

You could have Rivendell start up Jack and also start up all the Jack
based applications that you want to run.  You can do this with the "jack
clients to start" option.  But this might not be what you want - as it
will start those clients as root.  It'll also start them all up when
Rivendell starts up which is probably not what you want.

I should also note that on some of the versions of Ubuntu / Debian
having Rivendell start Jack doesn't always work as expected.

Another option that has been used (specifically on some of the
documentation out there about getting Rivendell running on Ubuntu) has
been to run the rivendell daemons as the logged in user rather then as
root.  If you delay the start of the 3 daemons until after Jack is
started, running Jack as the logged in user and then starting up the
Rivendell daemons as the logged in user, it'll all see each other and
you'll be able to launch other Jack-aware apps.  However as Fred has
pointed out on numerous occasions this is not the recommended way of
running the daemons, both from a security standpoint and from a
standpoint that some other things don't work as they should.

Lorne Tyndale


> 
> 
> Sorry, I meant pulseaudio-jack (Pulsaudio-module-jack...)
> 
> On Tue, Oct 30, 2018 at 9:53 PM drew Roberts <[email protected]> wrote:
> 
> > Pedro,
> >
> > shut rivendell down.
> >
> > shut all riovendell applications.
> > from a terminal:
> > sudo killall caed
> > sudo killall ripcd
> > sudo killall rdcatchd
> >
> > start jack. (via qjackctl?)
> > make sure you can get some sound out of it with some jack aware audio
> > player that is not related to rivendell.
> >
> > let me know the results.
> >
> > all the best,
> >
> > drew
> >
> > On Tue, Oct 30, 2018 at 1:46 PM Pedro Picoto <[email protected]>
> > wrote:
> >
> >> Forgot to mention... thanks for your interest!
> >> But still banging my head... :-)
> >>
> >> On Tue, Oct 30, 2018 at 12:21 PM drew Roberts <[email protected]> wrote:
> >>
> >>> Pedro,
> >>> On Mon, Oct 29, 2018 at 9:46 PM Pedro Picoto <[email protected]>
> >>> wrote:
> >>>
> >>>> I managed install the packages supplied by the fellow member group
> >>>> successfully on Ubuntu 18.04.
> >>>> But I'm stuck and running in circles 'cause I not getting audio played.
> >>>> I'm using Jack/PulseAudio, as I used to do 3 years ago.
> >>>> - Rdalsaconfig gives me the cards available and already activated
> >>>> (active sound devices)
> >>>> - Audio resources:
> >>>>
> >>>> SUPPORTED AUDIO DRIVERS
> >>>>   AudioScience HPI [not active]
> >>>>   JACK Audio Connection Kit [Generic]
> >>>>   Advanced Linux Sound Architecture (ALSA) [1.1.3]
> >>>>
> >>>> SUPPORTED IMPORT FORMATS
> >>>>     Free Lossless Audio Codec (FLAC)
> >>>>     MPEG Layer 1
> >>>>     MPEG Layer 2
> >>>>     MPEG Layer 3
> >>>>     OggVorbis
> >>>>     PCM16 Linear
> >>>>     PCM24 Linear
> >>>>
> >>>> SUPPORTED EXPORT FORMATS
> >>>>     Free Lossless Audio Codec (FLAC)
> >>>>     MPEG Layer 2
> >>>>     MPEG Layer 3
> >>>>     OggVorbis
> >>>>     PCM16 Linear
> >>>>     PCM24 Linear
> >>>>
> >>>> AUDIO ADAPTERS
> >>>>   Card 0: Not present
> >>>>
> >>>>   Card 1: Not present
> >>>>
> >>>>   Card 2: Not present
> >>>>
> >>>>   Card 3: Not present
> >>>>
> >>>>   Card 4: Not present
> >>>>
> >>>>   Card 5: Not present
> >>>>
> >>>>   Card 6: Not present
> >>>>
> >>>>   Card 7: Not present
> >>>>
> >>>> For sure I'm missing something pretty basic...
> >>>>
> >>>> Need your input, please...
> >>>>
> >>>
> >>> from a terminal, what does:
> >>>
> >>> aplay -l
> >>>
> >>> show you?
> >>>
> >>> all the best,
> >>>
> >>> drew
> >>> --
> >>> Enjoy great *Bahamian Music* at:
> >>> Bahamian Or Nuttin - http://www.bahamianornuttin.com
> >>> <http://www.bahamianornuttin.com/>
> >>>
> >>
> >
> > --
> > Enjoy great *Bahamian Music* at:
> > Bahamian Or Nuttin - http://www.bahamianornuttin.com
> > <http://www.bahamianornuttin.com/>
> ><hr>_______________________________________________
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