Thank you people. Looks like jack_connect, jack_disconnect and jack_control are what I am looking for. cheers Worik On 16/06/16 18:25, Len Ovens wrote: > On Wed, 15 Jun 2016, Will Godfrey wrote: > >>> You probably really want to use jackdbus (what qjackctl on UbuntuSTudio >>> uses by default) so that you can change the system device the jack >>> server >> >> I don't know about ubuntu, but here on vanilla debian, jackdbus is >> quite a >> headache for me. >> >> Something (I haven't discovered what) is starting it up, and it >> connects to >> onboard hdmi, if I then start qjackctl it sees jack running so >> doesn't apply >> the setting I actually want, which is my KA6. It happens just >> infrequently >> enough for me to forget and wonder why everything is connected but >> I'm getting >> no sound :( > > Are you sure it is not the other way around? Normally it is jackd that > gets started by some jack app and then qjackctl can no longer start > jackdbus which is pretty normal. Does your version of jack happen to > be from 2014ish? It was buggy and when an app started jackd in > temporay mode it did not exit when the app closed. > > qjackctl can only control an instance of jackd it starts itself. > However, I can start jackdbus with jack_control and use qjackcontrol > to stop and then restart with different parameters. If perhaps you are > thinking that you often find "jackdbus auto" running using ps x or > something like that, do try jack_control status > > If it says: > --- status > stopped > > jackdbus is not the problem.... probably jackd is also running... try > killall -9 jackd and see if qjackctl starts working as you expect. > > You either need a working jackd or you can chmod -x /usr/bin/jackd if > you don't want to do that. (I ran with jackd chmod -x for two years > waiting for the repos to catch up with no harm. BTW, jackdbus can do > pretty much anything jackd can using jack_control. Try it in a > terminal with no parameter for a help list as there is no man page :P > > -- > Len Ovens > www.ovenwerks.net > > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user@xxxxxxxxxxxxxxxxxxxx > http://lists.linuxaudio.org/listinfo/linux-audio-user -- Why is the legal status of chardonnay different to that of cannabis? root@xxxxxxxxx 021-1680650, (03) 4821804 Aotearoa (New Zealand) I voted for love _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
