Hi,
2017-05-23 13:07 GMT+02:00 Kjetil Matheussen <k.s.matheus...@gmail.com>:
> Great work! I've been meaning to implement this myself for many years but
> never got started. I'm going to apply your patch to the fluidsynth in
> Radium, since it has good support for polyphonic aftertouch, and see how it
> works. If it works, I'm going to keep it in the next release of Radium.
>
Excellent, would be great if you could give it a good round of testing!
One thing I wasn't quite sure about is how exactly the aftertouch is
supposed to behave for a note that isn't currently playing, or after a
note_off event. Either it's not specified or I missed it in the MIDI
spec...
So what my patch does is the following: polyphonic aftertouch is always
accepted on any available channel and note value. The value is stored even
if that particular note is currently not playing. And the aftertouch value
is retained on note_off. That of course puts the responsibility of
resetting aftertouch between notes onto the MIDI controller... but it also
gives it much more flexibility and avoids hard-coded behaviour that might
not be suitable for every MIDI controller type.
Does anybody know if that behaviour is correct according to the
specification (if there even is one)? Or do other samplers do it
differently and we should just follow a common practice?
Cheers,
Marcus
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