[PD] midiout broken

günter geiger geiger at xdv.org
Mon Nov 14 13:40:44 CET 2005


On Sun, 13 Nov 2005, federico wrote:
> I don't see any changes from my local version.
> last time I checked midiout functionality with alsa_midi, note and
> controllers worked ok, but system exclusive were not transmitted.
> in fact I discovered that sys_alsa_putmidibyte never gets called (!).
> in addition I am not sure if a message can be sent to alsa byte-per-byte
> instead of passing the entire buffer, i should look at the docs...

I fear that in order to make midiout work with ALSA one has to implement
a midi parser and send the single events. Thats why Miller says its
"wrong-headed".

Somone should really try to figure out how raw midi streams can be
sent via the ALSA sequencer interface, maybe there's a way.

Cheers,

Guenter


>
> >It looks like alsa's MIDI implementation is wrong-headed (insists that
> >outgoing MIDI be formatted by the application) and would be a pain to
> >work around to get midiout to work correctly.
> >
> >
> I do not understand this very well.
> could you write some more details about this?
>
> >Probably the thing I should do right now is to print out a warning message
> >about it when people try to use it...
> >
> >
> ._.
>
> --
> ciao
> Federico
>
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