Hi Jeff,

Thank you for your reply. a2j is running by default in my version of AVLinux, that's what I'm using. Using the patchbay in QJackctl I managed to make the connection between Pd and the controller persistent.
The problem lies with Pd now, in the sense that the midi port is not open by default, and I have to manually open it every time I start Pd.

So I was wondering if there was a way to open the port by default at startup. Perhaps with a startup flag ?

Cheers,

Pierre.

2015-07-08 21:36 GMT+02:00 Jeff Sandys <jpsandys@gmail.com>:



Date: Tue, 7 Jul 2015 21:48:12 +0200
From: Pierre Massat <pimassat@gmail.com>
Subject: [PD] Using midi


Dear list,

I am trying to understand how midi works in Pd, and how to facilitate the
connection to a midi device.

I m using Pd 0.46-6 on AVlinux with JACK. When using JACK, OSS midi doesn't
work. ALSA does, but in an odd way (at least to me).

Pd doesn't appear as a writeable midi client in JACK by default, until I
ask Pd to open port 1 (or any non-zero positive integer it seems). I can
then automate the connection in JACK using a patchbay profile.

Is there no easier way ? Is it possible to save the midi device in Pd the
way sound settings are saved ? It would be nice if we could send a message
to Pd when loading a patch to open a specific midi port.

Cheers,

Pierre.

I have solved some jack-midi problems with a2jmidid as described here:
https://wiki.archlinux.org/index.php/JACK_Audio_Connection_Kit#MIDI
I hope this helps.
-- Jeff

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