[LAU] MIDI Port names in Jack

[Paul Davis]

the last time i touched a2jmidi, it did precisely what you were looking for
- 1 period of latency, zero jitter.

however, i do not maintain a2jmidid (it is not my project) and i have no
idea what has happened to it since I last did any work on it.


On Fri, Jul 26, 2013 at 9:04 AM, Fons Adriaensen <fons at linuxaudio.org>wrote:

> On Fri, Jul 26, 2013 at 08:07:51AM -0400, Paul Davis wrote:
>
> > yes, absolutely. the only reason that -X raw and -X seq have not been
> > removed is that the code to replace them isn't ready. always use a2jmidid
> > (with -e to pick up external h/w ports).
>
> This made me have a look at the sources.
>
> Up to ten minutes ago I was believing that a2jmidid used timestamps etc.
> to reduce jitter, and that this made it preferable over Jack's -X.
>
> But apparently it doesn't, all events in the same Jack period are
> just bunched together. There's even a comment in the source code:
>
>  /* -FIX- this should have the frame time of the event, instead of '0': */
>
> So what is the advantage ?
>
> Ciao,
>
> --
> FA
>
> A world of exhaustive, reliable metadata would be an utopia.
> It's also a pipe-dream, founded on self-delusion, nerd hubris
> and hysterically inflated market opportunities. (Cory Doctorow)
>
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