[CM] Receiving from portmidi
rm at seid-online.de
Sun, 02 Dec 2007 18:56:46 +0100
On Sun, 2007-12-02 at 08:38 -0600, Rick Taube wrote:
> i have MIDI input working again in Portmidi -- somehow I managed to
> lose several function definitions in the file cm-recv.lisp. I put
> these back and tested on SBCL and OpenMCL (on macosx, I will also
> test on my planetccrma box tomorrow when im at work but it should be
> Ive uploaded the fixed portmidi tarball to sourceforge as
> my apologies for getting behind on the fix...
> also Scheme MIDI hooks should be working in Grace sometime this week,
> at that point I would suggest trying that for midi realtime in lisp
> as the support and scheduling will be better.
Hmm - seems like your code doesn't even compile in my setup (GNU/Linux,
Ubuntu Feisty with SBCL-1.0.10.debian and a rather fresh CFFI checkout.
This (from cffi-portmidi.lisp) already triggers an error:
(cffi:define-foreign-type pm-message () ':long)
In DEFCLASS PM-MESSAGE, the slot name :LONG is a keyword.
[Condition of type SB-INT:SIMPLE-PROGRAM-ERROR]
The ': sequence smells like autogenerated code. What's going on here?
BTW, I think you can simplify your library loading code - you don't need
to loop through a list of possible library locations. CFFI provides code
for doing this already. Just do:
(pushnew "/usr/local/lib/" cffi:*foreign-library-directories* :test
(Unfortunately one still needs to conditionalize in the file type, but I
guess that could/should be fixed in CFFI).
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