Hi, Miller,
Yes, it is a USB-MIDI device which currently appears only under the list of "ALSA-MIDI" devices.
However, the same behaviors I've seen apply also to the application kmidimon. I think that if there is a way to get kmidimon to appear as an OSS MIDI device, theoretically the same procedure should work with my hardware.
Does anyone know of methods, or perhaps wrappers that may get this going?
-- David Shimamoto
I'm still curious why the "raw" MIDI doesn't work for you. I need to find someone with a similar USB MIDI device to try to figure this out. I did recently find out that the raw interface has a bug that prevents it from opening /dev/midi for reading only and for writing only; the only operation that works is for both reading and writing. I've got a fix for that (s_midi_oss.c; change two occurrences of "devno == 1" to "devno == 0").
But this wouldn't help if, as I read your letter, you simply don't see any input or output devices at all, for instance in the midi settings dialog. That sounds like a different problem from the one I was having.
cheers Miller
On Mon, May 26, 2008 at 10:11:53PM +0900, PSPunch wrote:
Ken,
OSS has, IIRC, been deprecated for many years now.
ALSA should be the correct one to use on Linux.
Deprecated in terms of people abandoning it, or is it literally not functioning any more?
To be specific, what I am trying to get working is a Korg padKontrol which is basically a USB-MIDI device. As soon at it is connected to my Ubuntu box, it is recognized as an Alsa-MIDI device. When routing this to Pd, only Sysex messages are dropped. (No response when routing directly to kmidimon either)
Since Miller had suggested its usage, I was hoping OSS to work but not quite yet. I understand that this classic API takes a different approach from ALSA and expects applications to route directly to each other. The list of MIDI devices that Pd offers to connect to is simply blank. Is there such thing as a wrapper that lets Alsa-MIDI devices be recognized as OSS devices?
-- David Shimamoto
And, also, for the past year or so there's been a new JACK MIDI API which is a lot cleaner (and strongly-timed) than ALSA, although it of course uses ALSA for transmission to actual MIDI devices.
-ken
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