Re: [Jack-Devel] dumping MIDI events to a logfile

On Mon, Jan 11, 2016 at 3:42 PM, Paul Davis <[hidden]> wrote:
> You're trying to run JACK on your MIDI interface.
>
> It doesn't work that way. JACK needs to work with an audio interface but
> will then *also* expose MIDI devices as JACK ports (if told to do so, which
> you're not doing).
>
> Try this:
>
>    jackd -R -d alsa -d hw:MID -X seq
>
> (the name of your actual audio interface ("MID") is unfortunately somewhat
> confusing in this context, given that it isn't a MIDI device and hw:UMONE is
> :)

Understood the logic, jackd is running, but when I launch
jack_midi_dump in another terminal, I see nothing in output...

=====================================================================
zoobab@chuchu /home/zoobab [91]$   jackd -R -d alsa -d hw:MID -X seq
jackd 0.124.1
Copyright 2001-2009 Paul Davis, Stephane Letz, Jack O'Quinn, Torben
Hohn and others.
jackd comes with ABSOLUTELY NO WARRANTY
This is free software, and you are welcome to redistribute it
under certain conditions; see the file COPYING for details

JACK compiled with System V SHM support.
loading driver ..
creating alsa driver ... hw:MID|hw:MID|1024|2|48000|0|0|nomon|swmeter|-|32bit
configuring for 48000Hz, period = 1024 frames (21.3 ms), buffer = 2 periods
ALSA: final selected sample format for capture: 32bit integer little-endian
ALSA: use 2 periods for capture
ALSA: final selected sample format for playback: 32bit integer little-endian
ALSA: use 2 periods for playback
creating alsa_midi driver ...

zoobab@chuchu /home/zoobab [141]$ jack_midi_dump -a

=====================================================================

Otherwise, if I launch rosegarden which spaws its own jackd, there is
no way I can try to connect jack_midi_dump to it?

--
Benjamin Henrion <bhenrion at ffii.org>
FFII Brussels - +32-484-566109 - +32-2-3500762
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