Re: Routing MIDI controllers with sndio on Linux.

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'?