[LAD] timing the processing of queues between engine and ui threads?
xbran at web.de
Sun Nov 6 07:20:15 UTC 2011
2011/11/5 Iain Duncan <iainduncanlists at gmail.com>:
> On Thu, Nov 3, 2011 at 8:05 PM, David Robillard <d at drobilla.net> wrote:
>> The only difference non-jack would make is you need some function to
>> tell you roughly what audio time it is you can call from another thread.
> Does one use the system clock for that?
I think frame time (a frame of samples) is meant here ? That time is
delivered in the jackd process callback.
> Is it accurate enough?
Depends on the system clock used, I presume.
For best accuracy, you have to configure your kernel to support HPET
(high precision event) timers
and make ALSA use it as default.
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