Re: seq: maximum number of events w.r.t. ordering in queue

["Clemens Ladisch" <cladisch@fastmail.net>]

Gerald Grabner wrote:
> for simultaneously playing many midi tracks each with a large number
> of events, it would be convenient to output one track after the other
> in a simple loop, without caring about the ordering of the events.
> 
> Of course, this requires an output buffer large enough to hold all
> events, otherwise events of the later are postponed every time the
> buffer is full. But one question remains, at least for me:
> Is there a maximum number of events w.r.t. the ordering in a queue?

Yes.  Your client buffer can have any size, but the events stored in the
kernel for a queue are sent from an interrupt handler and must therefore
be in locked kernel memory.  The kernel buffer is currently restricted
to 2000 events for one client.


Regards,
Clemens

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