Peter Brinkmann wrote:
> I'm trying to figure out how to build an ALSA MIDI sequencer that'll
> sync with other sequencers. I've looked around but didn't see any
> recent information.
> So, my question is, what's the recommended way of synchronizing two
> MIDI sequencers these days, using ALSA? Is there any protocol (MTC,
> MMC...) that you would recommend so as to be compatible with a large
> number of other software packages?
ALSA itself doesn't support any synchronization protocol; the only
possible timer source is some hardware timer interrupt.
It is possible to adjust the queue tempo relative to the timer
interrupt frequency with snd_seq_queue_tempo_set_skew().
> Pointers to sample implementations of MIDI sync with ALSA would be
> great.
AFAICS Ardour supports MTC.
HTH
Clemens
Received on Tue Dec 13 12:15:04 2005
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