Re: [Csnd-dev] possible issue with ALSA midi?

aha, interesting! Yes, that works. We should probably document this.

dave@phonon:~ $ csound -+rtmidi=alsaseq --midi-devices
5 MIDI input devices
 0: hw:0,0 (Timer)
 1: hw:0,1 (Announce)
 2: hw:14,0 (Midi Through Port-0)
 3: hw:24,0 (pisound MIDI PS-28625BA)
 4: hw:128,0 (pisound-ctl)
3 MIDI output devices
 0: hw:14,0 (Midi Through Port-0)
 1: hw:24,0 (pisound MIDI PS-28625BA)
 2: hw:128,0 (pisound-ctl)
                   overall amps:      0.0
           overall samples out of range:        0
0 errors in performance
Elapsed time at end of performance: real: 0.003s, CPU: 0.003s

dave@phonon:~ $ csound -+rtmidi=alsaraw --midi-devices
1 MIDI input devices
 0: hw:2,0 (pisound MIDI PS-28625BA)
1 MIDI output devices
 0: hw:2,0 (pisound MIDI PS-28625BA)
                   overall amps:      0.0
           overall samples out of range:        0
0 errors in performance
Elapsed time at end of performance: real: 0.004s, CPU: 0.004s

dave@phonon:~ $ csound -+rtmidi=devfile --midi-devices
0 MIDI input devices
0 MIDI output devices
                   overall amps:      0.0
           overall samples out of range:        0
0 errors in performance
Elapsed time at end of performance: real: 0.001s, CPU: 0.001s

On Mon, Nov 11, 2024 at 3:12 PM vlz <[email protected]> wrote:

> I checked and this error message comes from the MIDI side of things in the
> alsa module
>
> static int32_t listDevicesM(CSOUND *csound, CS_MIDIDEVICE *list, int32_t
> isOutput){
>     int32_t count = 0;
>     char *s;
>     s = (char*) csound->QueryGlobalVariable(csound, "_RTMIDI");
>     if (strncmp(s, "alsaraw", 8) == 0) { /* ALSA Raw MIDI */
>       count = listRawMidi(csound, list, isOutput);
>     } else if (strncmp(s, "alsaseq", 8) == 0) {/* ALSA Sequencer */
>       count = listAlsaSeq(csound, list, isOutput);
>     } else if (strncmp(s, "devfile", 8) == 0) {
>
>     } else {
>       csound->ErrorMsg(csound, Str("rtalsa: Wrong callback."));
>     }
>     return count;
> }
>
> So maybe you can try one of the options: alsaraw, alsaseq or devfile (from
> the code, it’s raw midi, alsa sequencer midi or
> midi file). These are the three options for listing but I guess “alsaraw”
> should have also been the same as “alsa” but
> currently is not there.
>
>
>
> > On 11 Nov 2024, at 20:04, Dave Seidel <[email protected]> wrote:
> >
> > Yes, -odac is working fine. I went back and checked, and I've been
> specifying "-+rtmidi=portmidi" for several years now on my Pis, going back
> to Cs6. So maybe this is an old/existing issue, which might make it low
> priority.
> >
> > On Mon, Nov 11, 2024 at 2:52 PM vlz <[email protected]> wrote:
> > It could well be. Can you run -odac to it, does it make any sound?
> >
> >
> > Prof. Victor Lazzarini
> > Maynooth University
> > Ireland
> >
> >> On 11 Nov 2024, at 19:48, Dave Seidel <[email protected]> wrote:
> >>
> >> I recently acquired a Pi 5, which I've equipped with a Pisound board
> (like my older Pis). I can build Cs7 without any issues, but I notice that
> when I query MIDI devices using ALSA as the interface, I get an error:
> >>
> >> dave@phonon:~/src/csound/build $ csound -+rtmidi=alsa --midi-devices
> >> rtalsa: Wrong callback.0 MIDI input devices
> >> rtalsa: Wrong callback.rtalsa: Wrong callback.0 MIDI output devices
> >> rtalsa: Wrong callback.            overall amps:      0.0
> >>            overall samples out of range:        0
> >> 0 errors in performance
> >> Elapsed time at end of performance: real: 0.001s, CPU: 0.001s
> >>
> >> If I specify portmidi, no errors:
> >>
> >> dave@phonon:~/src/csound/build $ csound -+rtmidi=portmidi
> --midi-devices
> >> rtmidi: PortMIDI module enabled
> >> 3 MIDI input devices
> >>  0: 0 (Midi Through Port-0)
> >>  1: 1 (pisound MIDI PS-28625BA)
> >>  2: 2 (pisound-ctl)
> >> 3 MIDI output devices
> >>  0: 0 (Midi Through Port-0)
> >>  1: 1 (pisound MIDI PS-28625BA)
> >>  2: 2 (pisound-ctl)
> >>                    overall amps:      0.0
> >>            overall samples out of range:        0
> >> 0 errors in performance
> >> Elapsed time at end of performance: real: 0.003s, CPU: 0.003s
> >>
> >> Same results on my Pi 4 running Cs7. I don't have a Pi running Cs6 for
> comparison. The Pi 4 is running bullseye; the Pi 5 is running bookworm.
> >>
> >> FWIW, I don't really care which interface I use, and I'm fine with
> using portmidi, but I thought this might indicate an issue.
> >>
> >> - Dave
>