[LAD] midi stream error analysis

[hermann]

Am Freitag, den 09.07.2010, 22:35 +0100 schrieb James Morris:
> On 9 July 2010 14:18, Ralf Mardorf <ralf.mardorf at alice-dsl.net> wrote:
> 
> > Is this issue for MIDI inside Linux or when using the hw MIDI?
> 
> Software only. I've partially located the problem but am unsure of why
> it occurs so frequently, again down to software.
> 
> the call to jack_midi_event_reserve returns NULL every few notes being
> sequenced (instead of returning a pointer to the data where the MIDI
> events should be written to). So some note-on events are missing
> note-off events, and some note-off events are divorced from any
> preceding note-on. Definitely s/w.
> 
> might try adjusting some JACK settings and see what happens.
> 
> Cheers,
> James.

You can use the jack_ringbuffer to avoid the event_reserve fail.


greats  hermann