[LAU] Request to mailing list Linux-audio-user rejected

[Len Ovens]

On Sun, 21 Apr 2019, Mac wrote:

> In order to test with just ffado I attempted to adapt a script I use on another
> pc to force only jack. The adapted part shown below:
> #!/bin/bash
> set -x
> killall -9 jackd jackdbus
> #jack_control ds alsa dps capture none dps playback none
> jack_control ds firewire dps capture none dps playback none
> #jack_control dps device hw:PCH
> jack_control dps rate 48000
> jack_control dps nperiods 2
> jack_control dps period 1024
> jack_control start
> pactl unload-module module-udev-detect
> pactl unload-module module-alsa-card
> pactl unload-module module-jackdbus-detect
> pactl load-module module-jack-sink client_name=PulseOut channels=2 connect=no
> pactl load-module module-jack-source client_name=PulseIn channels=2 connect=no
> set +x
> exit
> 
> This results in the channels of the AF12 being listed like this:
> 
> firewire_pcm
> 00148605c4409ac_Unknown_out
> 00148605c4409ac_Unknown0_out
> 00148605c4409ac_Unknown1_out
> 00148605c4409ac_Unknown2_out
> 00148605c4409ac_Unknown3_out
> 00148605c4409ac_Unknown4_out
> 00148605c4409ac_Unknown5_out
> 00148605c4409ac_Unknown6_out
> 00148605c4409ac_Unknown7_out
> 00148605c4409ac_Unknown8_out
> 00148605c4409ac_Unknown9_out
> 00148605c4409ac_Unknown10_out
> 00148605c4409ac_Unknown11_out
> 
> Where Unknown_out is the 1st channel of the AF12, Unknown0_out is the 2nd
> channel, etc. (Unknown11_out is the midi port)
> I do not know how to get human readable names as can be done in Qjack... Anybody
> know how to do this from the command line? Or set the name of the device to
> something other than firewire_pcm?
> 
> So far I have NOT been able to duplicate the crazy noise spikes I was getting
> with alsa running the AF12.

I would say use qjackctl as that is what works.


--
Len Ovens
www.ovenwerks.net