From owner-freebsd-multimedia@FreeBSD.ORG  Wed Aug  8 00:09:31 2012
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From: Hans Petter Selasky <hselasky@c2i.net>
To: freebsd-multimedia@freebsd.org
Date: Wed, 8 Aug 2012 02:09:55 +0200
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Subject: Re: jack_umidi and USB devices
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On Tuesday 07 August 2012 20:57:40 Marcel Bonnet wrote:
> Hi Hans Petter, and guys.
> 
> Please, help to understand about the -d flag. Am I doing something
> wrong, please?
> 
> If I run
> 
> $ jack_umidi -d /dev/umidi0.0
> 
> then I capture MIDI signal. It's ok.
> 
> But now that I'm setting up my apps, I tried to separate the MIDI
> channels, routing every channel to its on linuxsampler channel, via
> jackd.
> 
> So, if I run
> 
> $ jack_umidi -d /dev/umidi0.[1-15]
> 
> I have no MIDI signal.
> 
> I tried with dd:
> 
> $ dd if=/dev/umidi0.0
> ^C0+43 records in
> 0+0 records out
> 0 bytes transferred in 2.739827 secs (0 bytes/sec)
> 
> 
> $ dd if=/dev/umidi0.[1-15]
> ^C0+0 records in
> 0+0 records out
> 0 bytes transferred in 2.547537 secs (0 bytes/sec)
> 
> I programmed my keyboard (Roland XP-30) to send MIDI signal from
> various channels. No matter what the channel is sending, I always
> receive MIDI signal from /dev/umidi0.0 . I really belive the keyboard
> is sending MIDI through the channel desired because of the audio
> device blinks the status led - otherwise I could miss programming the
> keyboard.
> 
> Thanks in advance.

Hi,

You need to manually connect the application with jack_umidi.

See midipp, qjackctl, jack_connect and jack-keyboard in ports.

--HPS