This standard MIDI handling code may drop some MIDI events. You can more a more
robust path (using a queue of incoming events) that is used when dealing with
MIDI synchronization messages (start, stop, clock…)
You can « force » that MIDI sync path by explicitly adding an appropriate
metata like in the following line:
on = button("[midi:key 60][midi:clock]on »);
Can you try that and report? If this solve your problem, then we may have to
switch this more robust mode on by default...
Stéphane
> Le 30 janv. 2019 à 14:05, Mykle James Hansen <my...@mykle.com> a écrit :
>
> Hi,
>
> I’m seeing a problem with Faust’s MIDI support, on OS X 10.11.6,
> in an app built with faust2caqt . It appears that if a NOTEOFF
> message follows a NOTEON message too closely, Faust may not
> receive either message. In my case, the timing between NOTEON
> and NOTEOFF is about 6ms, which is very short. But I have
> confirmed that the OS and various other applications are all
> able to receive and process these messages.
>
> Below is a simple Faust program to demonstrate the problem. When I
> send the NOTEON/NOTEOFF pairs I describe, Faust sees them
> only intermittently, about 20-30% of the time.
>
> I haven’t been able to this in any other environments, because I haven’t
> gotten the [midi:key] metadata label to work anywhere else.
> (I’m hoping it’ll be supported in the next release of FaustLive. :)
>
> Any advice would be much appreciated & I’m happy to give more info as needed.
>
> Thanks,
> -mykle-
>
>
> ——
>
> declare author "Mykle Hansen";
> declare name "short Midi note example";
> declare options "[midi:on]";
>
> import ("stdfaust.lib");
>
> on = button("[midi:key 112]on”); // replace 112 with whatever MIDI note is
> handy for you ...
>
> count = +( on > on' ) ~ _ : hbargraph("# of button presses", 0, 10);
>
> process = os.oscsin(440 + count ) * on;
>
>
>
>
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