Hi there,
I need a little help with getting my midi controller (edirol pcr-50) to work with pd (emerged 0.37) and linux (gentoo 2.6.12-r10).
alsa is up and running, aconnect -i -o gives me the following outpout:
client 0: 'System' [type=kernel] 0 'Timer ' 1 'Announce ' client 64: 'Audigy MPU-401 (UART)' [type=kernel] 0 'Audigy MPU-401 (UART)' 32 'Audigy MPU-401 #2' client 65: 'Emu10k1 WaveTable' [type=kernel] 0 'Emu10k1 Port 0 ' 1 'Emu10k1 Port 1 ' 2 'Emu10k1 Port 2 ' 3 'Emu10k1 Port 3 ' client 80: 'PCR' [type=kernel] 0 'PCR MIDI ' 1 'PCR 1 ' 2 'PCR 2 '
... so i guess that the controller gets recognised by both the usb subsystem and alsa. The controller also shows up in the graphical alsa-patch-bay. however, I can't get it to work with pd: pd -alsa -listdev gives me a "no midi input/output devices found" error message.
Do i really have to use a virmidi soundcard to get those midi signals into pd? this would be a bit odd, since it involves yet another "man in the middle" ...
thank you for your help, thoralf.
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Thoralf Schulze wrote:
Hi there,
Do i really have to use a virmidi soundcard to get those midi signals into pd? this would be a bit odd, since it involves yet another "man in the middle" ...
you have to choices: either use virmidi or update pd to >=0.39 which has native alsa sequencer support.
mfg.ad.sr IOhannes
Hi Johannes, hi Chris,
thank you very much. I wanted to update to 0.39 anyway, so I'll give this a go. Does pd has any other dependencies apart from tcl/tk ?
thank you, thoralf.
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I read:
Do i really have to use a virmidi soundcard to get those midi signals into pd? this would be a bit odd, since it involves yet another "man in the middle" ...
basically either that (relax it's a pretty fast middleman - way faster than you can ever move your faders ;) or use the alsa midi patch for pd (should be in cvs, it's also in pd-0.39-1test1, probably earlier)
HTH
x
Hallo, Thoralf Schulze hat gesagt: // Thoralf Schulze wrote:
Do i really have to use a virmidi soundcard to get those midi signals into pd?
No. Don't believe the other answers. ;) For reading from a hardware device, virmidi is not necessary even with older Pd-versions.
You can only use rawmidi devices with Pd and you need to access devices named /dev/midiXY. For that, load the oss-emulation modules, snd-rawmidi, snd_seq_oss, etc.
Then your USB thing should be available as a device /dev/midiXY. To access it from Pd, you need to use "-mididev AB" where "AB == XY + 1"
That is, to access /dev/midi20 you need to start Pd as "pd -mididev 21" and so on.
It should work then.
snd-virmidi is only necessary to connect Pd with other OSS midi applications, that don't speak ALSA sequencer lingo.
Ciao
Frank Barknecht _ ______footils.org_ __goto10.org__
I read:
You can only use rawmidi devices with Pd and you need to access devices named /dev/midiXY. For that, load the oss-emulation modules, snd-rawmidi, snd_seq_oss, etc.
oh frank you're so right ... I should have thought about it a little more ... and maybe looked:
x@home:~$ ls -l /dev/midi* lrwxr-xr-x 1 root root 12 Nov 17 2004 /dev/midi -> snd/midiC1D0
:)
cheers,
x
Hallo, CK hat gesagt: // CK wrote:
I read:
You can only use rawmidi devices with Pd and you need to access devices named /dev/midiXY. For that, load the oss-emulation modules, snd-rawmidi, snd_seq_oss, etc.
oh frank you're so right ... I should have thought about it a little more ... and maybe looked:
x@home:~$ ls -l /dev/midi* lrwxr-xr-x 1 root root 12 Nov 17 2004 /dev/midi -> snd/midiC1D0
Yes, good tip: If all else fails, make a symbolic link like that using "ln -s"
Ciao
Frank Barknecht _ ______footils.org_ __goto10.org__
hi johannes / chris / frank,
It should work then.
after upgrading to 0.39, pd -alsa -alsamidi -listdev gives me
no midi input devices found no midi output devices found Opened Alsa Client 128 in:1 out:1
and then midi works - great, this is the first time I've gotten this to work with linux.
thank you all, thoralf.
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CK -
Frank Barknecht -
IOhannes m zmoelnig -
Thoralf Schulze