[Ardour-Dev] ardour3 jack-midi MTC buffering bug & fix

Paul Davis paul at linuxaudiosystems.com
Wed Jun 2 19:15:34 PDT 2010

On Wed, Jun 2, 2010 at 10:03 PM, Robin Gareus <robin at gareus.org> wrote:
> I've been testing ardour3 sending MTC via jack-midi and encountered the
> following issue: Instead of receiving continuous MTC quarter-frames
> ardour3 sends duplicate MTC-messages IFF the jack-buffersize is large
> (>=512).

very nice detective work robin, and thanks.

> Anyway there must be sth. else wrong with ardour3 generating MTC. It
> looks like it's lagging behind or generates them at wrong speed..
> Although that could be an issue with a2jmidi or jackd -Xseq

its in ardour3. its a known issue.

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