[PD] pd linux doesn't like sharing midi devices

Miller Puckette mpuckett at man104-1.ucsd.edu
Sun Apr 20 18:44:12 CEST 2003


Yes, Pd is using OSS MIDI (/dev/midi, /dev/midi1, etc.)  I'm unaware there's
any way to get two applications to share a MIDI device (perhaps ALSA can do
this?)

cheers
Miller

On Sun, Apr 20, 2003 at 04:40:41PM +0000, Antonis Galanopoulos wrote:
> hi all
> I have that problem with pd. What I want to do is control ardour from pd using 
> midi MMC. I have set up a working virtual midi card in my system for that 
> reason. If I start pd first it will open the midi devices it is supposed to 
> open (i.e mididev 1,2,3). I start ardour afterwards but no luck, it cannot 
> open the midi device it is supposed to receive midi because *I think* (and I 
> might be wrong)  pd opened it first. Same thing happens if I start ardour 
> first,it will open the midi dev but pd wont be able to open the device ardour 
> is using.
> 
> I also had a similar problem with another application called seq24, a few 
> weeks ago.
> 
> Does anybody knows what is going on?
>  Is pd using oss for midi I/O?
> 
> Any ideas welcome
> 
> --
> regards
> anton
> 
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