Re: Routing MIDI controllers with sndio on Linux.

On 4/5/23 5:20 PM, Alexandre Ratchov wrote:
> On Wed, Apr 05, 2023 at 04:54:53PM +0200, Brian Durant wrote:
>> How are MIDI controllers routed with sndio on Linux? On OpenBSD, MIDI ports
>> are named "midi/0", "midi/1", and they correspond to the "midi0 at ..."
>> lines of dmesg. I am currently using sndio on Void Linux (mainly for support
>> of my MIDI controllers), and the MIDI controllers are typically listed as:
>>
>>
>> [ 75.825351] usb 1-12: Product: A-PRO
>>
>> [ 75.825355] usb 1-12: Manufacturer: Roland
>>
>> [ 142.346575] usb 1-12: USB disconnect, device number 7
>>
>> [ 215.239705] usb 1-12: new full-speed USB device number 8 using xhci_hcd
>>
>> [ 215.367162] usb 1-12: New USB device found, idVendor=09e8, idProduct=0076,
>> bcdDevice= 1.00
>>
>> Unfortunately, I am unable to route any of my controllers to LMMS (with
>> sndio set as the MIDI interface in the LMMS preferences), such as to the SF2
>> plugin. I am able to set the MIDI input properly in LMMS (in the plugin),
>> but I am apparently not getting a MIDI signal from the keyboard. This is
>> where that I suspect that there could be a routing issue.
>>
>> Sooo, assuming that everything else is equal to sndio on OpenBSD, I need to
>> run a similar command, with the equivalent of "midi/0" in Linux:
>>
>> $ midicat -d -q midi/0 -q midithru/0
>>
>> Of course with the correct variable for the relevant MIDI device.
>>
> 
> It's supposed to be the same than on OpenBSD, for better and for worse.
> 
> Could you post the output of 'amidi -l'?

Hmm. My reply didn't seem to get through. Here it is again:

$ amidi -l
Dir Device    Name
IO  hw:0,0,0  UMC404HD 192k UMC404HD 192k MID
IO  hw:3,0,0  A-PRO MIDI
IO  hw:3,0,1  A-PRO 1
I   hw:3,0,2  A-PRO 2