Subject: [linux-audio-dev] MIDI + Audio problems with OSS?
From: David J. Topper (topper_AT_virginia.edu)
Date: pe syys 18 1998 - 16:57:07 EDT
Hi there folks,
So I have a very rough MIDI driver for RTCmix. Thanks, Rob, for the 1
byte at a time suggestion. It works quite well now. So I can do the
1) Read a midi note
2) Process the info and send an RTCmix command through a socket
3) Have RTCmix receive the event and play it
all in real time. It's quite cool ... and the potentials soon become
When I really start banging on the thing ... stuff gets garbled. More
specifically, I seem unable to read MIDI data any more. I can kill the
process and start it again ... but with basically no effect. It looks
like somehow the driver becomes unstable.
I say this because I can connect (in step #2 above) to another machine
here in the lab. No problems. I can bang on the notes until kingdom
come and nothing freezes. This is what's making me wonder about how OSS
behaves while /dev/midi and /dev/audio are both being read/written to
I am using the infamous APCI card and OSS/Linux 3.8.1q.
Anyone have similar experience.
-- Technical Director, Virginia Center for Computer Music Programmer / Analyst, Dean's Office (School of A&S) http://www.panix.com/~topper (804) 924-6887
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