[LAD] Re: MIDI 2

2024-03-25 Thread Will Godfrey
Thanks for this info.
Some bedtime reading in order I think :/


On Sun, 17 Mar 2024 13:38:01 +0100
Florian Hülsmann  wrote:

>Sorry, quick correction
>
>> you'll see duplicate ports in your DAW  
>
>was wrong, as the kernel doc explains:
>
>> When a device supports MIDI 2.0, the USB-audio driver probes and uses the 
>> MIDI 2.0 interface [...] as default instead of the MIDI 1.0 interface  
>
>Am So., 17. März 2024 um 13:21 Uhr schrieb Florian Hülsmann :
>>
>> Hey Will,
>>
>> tl;dr: it should work without issues, just don't expect DAW/plugin
>> support for MIDI 2.0-only features yet :)
>>
>> ALSA has pretty good support for USB MIDI 2.0 from Linux 6.6 on
>> (rawmidi + seq) [1][2], translating transparently between MIDI 1.0 and
>> 2.0/UMP. Obviously you'll loose precision and maybe a few features
>> translating from MIDI 2.0. So far I only tested with a RasPi Zero 2
>> acting as a mock MIDI 2.0-only device [3], I'd expect "real" MIDI 2.0
>> controllers will present as both legacy USB MIDI and USB MIDI 2.0, so
>> you'll see duplicate ports in your DAW on recent kernels and legacy
>> only on < 6.5 kernels.
>>
>> Regarding everything above ALSA:
>> - JACK doesn't have a special port type for UMP and using the existing
>> MIDI ports for that feels weird (byte buffer vs. packets etc.), so
>> let's wait for/make that happen
>> - no free DAW yet with MIDI 2.0 support
>> - VST3 and CLAP already allow high resolution parameters and note
>> expression by their own event abstractions, however this is useless
>> without DAW support
>> - CLAP plugins can also interface MIDI 2.0 directly
>> - LV2 currently limited to MIDI 1.0
>> - WINE doesn't implement the new Windows MIDI Services yet
>>
>> [1] ALSA details: https://docs.kernel.org/sound/designs/midi-2.0.html
>> [2] General overview (ADC 23): https://adc23.sched.com/event/1PueB
>> (video not up yet)
>> [3] https://gist.github.com/cbix/97a341c2857fd4f55d0cd19ccf6c354b
>>
>> Flo / cbix
>>
>> Am So., 17. März 2024 um 12:25 Uhr schrieb Will Godfrey
>> :  
>> >
>> > I've seen quite a few adverts for MIDI2 keyboard controllers now, so has 
>> > anyone
>> > tried interfacing with this yet?
>> >
>> > If so, what sort of problems have you had to resolve.
>> >
>> > --
>> > Will J Godfrey {apparently now an 'elderly'}
>> > ___
>> > Linux-audio-dev mailing list -- linux-audio-dev@lists.linuxaudio.org
>> > To unsubscribe send an email to linux-audio-dev-le...@lists.linuxaudio.org 
>> >  
>>
>>
>>
>> --
>> Florian Hülsmann
>> 
>> http://cbix.de  
>
>
>


-- 
Will J Godfrey {apparently now an 'elderly'}
https://willgodfrey.bandcamp.com/
http://yoshimi.github.io
Say you have a poem and I have a tune.
Exchange them and we can both have a poem, a tune, and a song.
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[LAD] Re: MIDI 2

2024-03-17 Thread Florian Hülsmann
Sorry, quick correction

> you'll see duplicate ports in your DAW

was wrong, as the kernel doc explains:

> When a device supports MIDI 2.0, the USB-audio driver probes and uses the 
> MIDI 2.0 interface [...] as default instead of the MIDI 1.0 interface

Am So., 17. März 2024 um 13:21 Uhr schrieb Florian Hülsmann :
>
> Hey Will,
>
> tl;dr: it should work without issues, just don't expect DAW/plugin
> support for MIDI 2.0-only features yet :)
>
> ALSA has pretty good support for USB MIDI 2.0 from Linux 6.6 on
> (rawmidi + seq) [1][2], translating transparently between MIDI 1.0 and
> 2.0/UMP. Obviously you'll loose precision and maybe a few features
> translating from MIDI 2.0. So far I only tested with a RasPi Zero 2
> acting as a mock MIDI 2.0-only device [3], I'd expect "real" MIDI 2.0
> controllers will present as both legacy USB MIDI and USB MIDI 2.0, so
> you'll see duplicate ports in your DAW on recent kernels and legacy
> only on < 6.5 kernels.
>
> Regarding everything above ALSA:
> - JACK doesn't have a special port type for UMP and using the existing
> MIDI ports for that feels weird (byte buffer vs. packets etc.), so
> let's wait for/make that happen
> - no free DAW yet with MIDI 2.0 support
> - VST3 and CLAP already allow high resolution parameters and note
> expression by their own event abstractions, however this is useless
> without DAW support
> - CLAP plugins can also interface MIDI 2.0 directly
> - LV2 currently limited to MIDI 1.0
> - WINE doesn't implement the new Windows MIDI Services yet
>
> [1] ALSA details: https://docs.kernel.org/sound/designs/midi-2.0.html
> [2] General overview (ADC 23): https://adc23.sched.com/event/1PueB
> (video not up yet)
> [3] https://gist.github.com/cbix/97a341c2857fd4f55d0cd19ccf6c354b
>
> Flo / cbix
>
> Am So., 17. März 2024 um 12:25 Uhr schrieb Will Godfrey
> :
> >
> > I've seen quite a few adverts for MIDI2 keyboard controllers now, so has 
> > anyone
> > tried interfacing with this yet?
> >
> > If so, what sort of problems have you had to resolve.
> >
> > --
> > Will J Godfrey {apparently now an 'elderly'}
> > ___
> > Linux-audio-dev mailing list -- linux-audio-dev@lists.linuxaudio.org
> > To unsubscribe send an email to linux-audio-dev-le...@lists.linuxaudio.org
>
>
>
> --
> Florian Hülsmann
> 
> http://cbix.de



-- 
Florian Hülsmann

http://cbix.de
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[LAD] Re: MIDI 2

2024-03-17 Thread Florian Hülsmann
Hey Will,

tl;dr: it should work without issues, just don't expect DAW/plugin
support for MIDI 2.0-only features yet :)

ALSA has pretty good support for USB MIDI 2.0 from Linux 6.6 on
(rawmidi + seq) [1][2], translating transparently between MIDI 1.0 and
2.0/UMP. Obviously you'll loose precision and maybe a few features
translating from MIDI 2.0. So far I only tested with a RasPi Zero 2
acting as a mock MIDI 2.0-only device [3], I'd expect "real" MIDI 2.0
controllers will present as both legacy USB MIDI and USB MIDI 2.0, so
you'll see duplicate ports in your DAW on recent kernels and legacy
only on < 6.5 kernels.

Regarding everything above ALSA:
- JACK doesn't have a special port type for UMP and using the existing
MIDI ports for that feels weird (byte buffer vs. packets etc.), so
let's wait for/make that happen
- no free DAW yet with MIDI 2.0 support
- VST3 and CLAP already allow high resolution parameters and note
expression by their own event abstractions, however this is useless
without DAW support
- CLAP plugins can also interface MIDI 2.0 directly
- LV2 currently limited to MIDI 1.0
- WINE doesn't implement the new Windows MIDI Services yet

[1] ALSA details: https://docs.kernel.org/sound/designs/midi-2.0.html
[2] General overview (ADC 23): https://adc23.sched.com/event/1PueB
(video not up yet)
[3] https://gist.github.com/cbix/97a341c2857fd4f55d0cd19ccf6c354b

Flo / cbix

Am So., 17. März 2024 um 12:25 Uhr schrieb Will Godfrey
:
>
> I've seen quite a few adverts for MIDI2 keyboard controllers now, so has 
> anyone
> tried interfacing with this yet?
>
> If so, what sort of problems have you had to resolve.
>
> --
> Will J Godfrey {apparently now an 'elderly'}
> ___
> Linux-audio-dev mailing list -- linux-audio-dev@lists.linuxaudio.org
> To unsubscribe send an email to linux-audio-dev-le...@lists.linuxaudio.org



-- 
Florian Hülsmann

http://cbix.de
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