[LAU] Session Management, ALSA MIDI Ports

[Will Godfrey]

On Tue, 21 Jul 2015 23:11:35 +0200
Hendrik <henne-s at gmx.de> wrote:

> On Fri, Jul 17, 2015 at 09:38:15PM +0200, Ralf Mardorf wrote:
> > On Fri, 17 Jul 2015 20:14:11 +0200, Hendrik wrote:
> > >My problem is a little different.
> > >Here's a list of the MIDI Outputs:
> > >
> > >neptun% aconnect -o
> > >client 14: 'Midi Through' [type=kernel]
> > >    0 'Midi Through Port-0'
> > >client 129: 'Hydrogen' [type=user]
> > >    0 'Hydrogen Midi-In'
> > >client 131: 'yoshimi' [type=user]
> > >    0 'input           '
> > >
> > >These are the ports I can choose from in seq24. The problem is that the
> > >numbering may change when hydrogen and yoshimi are restarted.
> > >Therefore some patterns in seq24 may get played via the wrong MIDI
> > >port. Is there a way to attach hydrogen and yoshimi to a port with a
> > >fixed number?
> > 
> > I run a2jmidid [1] and at the end of the script aj-snapshot [2], to
> > connect Qtractor -> Yoshimi. From the file generated and restored by
> > aj-snapshot [3]. This always works. It's a very old script and I needed
> > to rewrite it regarding broken backwards compatibility issues :(, but I
> > had nothing to do regarding the MIDI connection between Qtractor and
> > two instances of Yoshimi, they still are automatically connected.
> > 
> 
>   Hi!
> 
> Just found a solution to this problem:
> I had to enable manual alsa ports in ~/.seq24rc to make seq24 create its own
> alsa ports:
> 
> [manual-alsa-ports]
> 1
> 
> Before this change I had to make all the midi connections directly in
> seq24. Now, I can use patchage, qjackctl, etc. to make midi
> connections. Unfortunately this setting is not documented in the SEQ24 manual.
> 
> Well, it works now. aj-snapshot can save and restore all the
> connections. Actually there's no need to use a2jmidid because aj-snapshot will
> save the alsa midi connections.
> Now I can finally start working with the setup! :-)
> 
> 
>   Hendrik

As a point of interest you can set yoshimi to look for a named MIDI port at
startup.

Yoshimi->Settings->Alsa->Alsa Midi Device.


-- 
Will J Godfrey
http://www.musically.me.uk
Say you have a poem and I have a tune.
Exchange them and we can both have a poem, a tune, and a song.