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quick CoreMIDI question ...
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quick CoreMIDI question ...


  • Subject: quick CoreMIDI question ...
  • From: John Lazzaro <email@hidden>
  • Date: Thu, 13 Nov 2003 11:41:59 -0800 (PST)

Hi everyone,

Quick CoreMIDI question, running 10.3.1, using an
Edirol UM-1S USB/MIDI interface with the latest Panther
drivers from edirol.com, with a loopback cable from MIDI
out back to MIDI In.

A simple test program sends the 8 MIDI System
Real-time commands (0xF8 ... 0xFF), each separated by
a 1-second delay. Looking at the stream using both
MIDI Monitor and my own software seems to indicate
that the Active Sense (0xFE) command is never received.

Is this the "correct" or "default" CoreMIDI
behavior, or does it point to a driver and/or CoreMIDI
bug?

My requirement for seeing Active Sense is that
I'm writing pseudo-wire emulation code for sending MIDI
on an RTP stream, implementing:

http://www.mail-archive.com/email@hidden/msg00059.html

and ideally I'd like to send every octet across
the net. Thanks in advance,

-------------------------------------------------------------------------
John Lazzaro -- Research Specialist -- CS Division -- EECS -- UC Berkeley
lazzaro [at] cs [dot] berkeley [dot] edu www.cs.berkeley.edu/~lazzaro
-------------------------------------------------------------------------
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