[LAU] Routing MIDI Channels between ALSA and JACK

[Len Ovens]

On Thu, 10 Mar 2016, Nacho Otal wrote:

> Hello,
> I’m working on a project where we’d like to interface a MIDI board (livid’s brain
> jr.) to the IDJC application (http://idjc.sourceforge.net).
> 
> As of by now, we’re able to configure the board and send MIDI commands through
> the USB port to the Ubuntu Studio that is our development box.
> 
> However, and as you’ll see in the attached screenshot
> (https://www.dropbox.com/s/ss9i5bwaqzs5ays/idjc.png?dl=0), IDJC is only able to
> retrieve MIDI Commands from JACK and not from ALSA.

a2j_control ehw start

This command can be run from qjackctl as a script so that starting 
jackdbus also starts a2jmidid.

a2jmidid allows jack to see alsa's midi ports.

--
Len Ovens
www.ovenwerks.net