Updates:
Status: Fixed
Comment #2 on issue 5 by
surfacep...@gmail.com: Active Sense
https://code.google.com/p/midisnoop/issues/detail?id=5
I took a look at the RtMidi source code. It looks like this is fixed in
their master branch. I went ahead and added code to midisnoop to detect
this problem and output an error to the console and drop the MIDI message
when this error is detected. So, regardless of what version of RtMidi
you're using, midisnoop should now do the right thing. The changes are in
trunk. If you could verify that the changes work for you (and that an
error message gets printed to the console when the RtMidi filter fails),
that would be awesome.