[PD] JACK MIDI ports in pd / extra port efficiency

CK x at meta.lo-res.org
Thu Nov 4 17:08:22 CET 2004

I read:
> 1. I would like to input and output MIDI from JACK (from MusE,
> specifically, to use MusE as my sequencer and pd as my softsynth/noise
> machine)

jack doesn't do midi you're talking about the alsa sequencer
> I tried just starting pd with things like "pd -mididev 1,2" (-jack and
> all of that is in my .pdrc) and it gives the error:
> couldn't open MIDI input device 0
> couldn't open MIDI input device 1
> couldn't open MIDI output device 0
> couldn't open MIDI output device 1
> opened 0 MIDI input device(s) and 0 MIDI output device(s).

load snd-virmidi and snd-seq-oss
then the above cmdline should work and you get
> pd starts, but nothing shows up in my qjackctl MIDI connections window.

virmidi ports in the qjackctl midi connection window
> 2. Does it slow the processing down at all to open pd with more audio
> ports and MIDI ports than I am necessarily going to use?  (Is it smart
> to put 6 audio ports in my .pdrc if I'm only going to use 2 most of
> the time?)

I honestly don't know but if at all not terribly I'd guess.


chris at lo-res.org	Postmodernism is german romanticism with better
http://pilot.fm/	special effects. (Jeff Keuss / via ctheory.com)

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