[PD-dev] MIDI problems on linux

[Christof Ressi]

> I'm having trouble getting "oss MIDI" (that is, access to /dev/midi*) 
> working in linux. Whereas in 0.53 I get choices "none", "/dev/midi3", 
> "/dev/midi4", "/dev/midi5", on 0.54 I get an extra entry, "(no 
> device)".  When I select "midi4" for example, the next time I open the 
> dialog it shows "midi3".  I think too that it' actually trying to open 
> midi3, not midi4. 
See https://github.com/pure-data/pure-data/issues/2005 :-) I think 
IOhannes is working on this.

On 21.06.2023 22:49, Miller Puckette wrote:
> I'm having trouble getting "oss MIDI" (that is, access to /dev/midi*) 
> working in linux. Whereas in 0.53 I get choices "none", "/dev/midi3", 
> "/dev/midi4", "/dev/midi5", on 0.54 I get an extra entry, "(no 
> device)".  When I select "midi4" for example, the next time I open the 
> dialog it shows "midi3".  I think too that it' actually trying to open 
> midi3, not midi4.
>
> Commits that might be of interest are 
> a0b74340313d26a430c145a421c7e5660b38d1cd (fixed off-by-one errors in 
> MIDI-dialog) and dfaba7072c0bdae2e97a94f91f0e0a11f97f6687 (handle 
> non-existing selection when showing midi devices) -- although these 
> are dated 2021 I appear to have only merged them for 0.54. I don't 
> know how to figure out what PR they came from.
>
> Meanwhile one minor thing: when selecting "alsa midi" dialog the 
> number of devices comes up 0 and 0, even if I had set them to 2 and 2 
> in the command line ("-alsamidi -mididev 1,2") - this is minor except 
> that Pd unhelpfully closes the existing MIDI devices when the dialog 
> is started.
>
> I'm scared to try to fix these as I'm sure I'll break something else 
> if i do :)
>
> thanks
>
> Miller
>
>
>
>
>
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