[linux-audio-user] Recording ADAT inputs on RME hammerfall 9636/52

[Paul Davis]

> Ran jack as root.
> Ran qjackctl as root.
> 
> --------------
> On the setup/Settings page:
> 
> Checked: Realime/hw monitor/hw meter.
> Left other messages alone.
> 
> Priority: 0
> Prames/period: 1024 (a guess)
> sample rate:22050 (default...)
> Periods/Buffer: 2
> Port Max: 128
> Timeout: 500ms
> Interface: hw:1
> Dither: none
> Audio:duplex
> Input device:(default)
> output device:(default)
> input channels: 0
> output channels: 0
> input latency: 0
> output latency: 0
> Latency: 92.9 msec
> -----------
> 
> The "input channels: 0" and "output channels: 0"
> seem suspicious.  If I try to change them Jack 
> won't start and says: "ALSA: cannot set channel 
> count to 1 for capture"  If I leave them zero, jack
> will start (but I don't know if that's right.)

its correct. qjackctl could do a better job of presenting the idea that
"zero = use however many channels the hardware offers".

> Then in qjackctl, I can see ecasound in the "capture" column,
> and I routed it to every single output (all 18 of them --
> presumably 2 s/pdif outs + 16 ADAT outs.)  So I am seeing
> the hammerfall having 18 ports, which is encouraging

please jack_lsp -c and post the results here, that way we can see
precisely what connections you have set up.

> I got nothing on the AW4416 where I would expect the sound
> from the wav file to show up on all 8 ADAT inputs.

and where do you expect them to show up?