[PD] pd-gui update rate
reduzent at gmail.com
Fri Nov 18 09:34:25 CET 2011
On Thu, 2011-11-17 at 10:58 -0500, Mathieu Bouchard wrote:
> Le 2011-11-17 à 15:18:00, Roman Haefeli a écrit :
> > Matju directed me to the respective parts in the source code, but I was
> > not able to make any sense out of it.
> I said something wrong near the end because I spoke too quick. sched_tick
> is not a main loop, it's the common part between the big mainloop
> (ordinary mode), the short mainloop (-batch) and the big callback
> The top of that file defines :
> #define TIMEUNITPERSEC (32.*441000.)
> which is used by users of sched_tick.
> That's 14112000 or pow(2,8)*pow(3,2)*pow(5,3)*pow(7,2).
> 44100 is pow(2,2)*pow(3,2)*pow(5,2)*pow(7,2).
> 48000 is pow(2,7)*pow(3,1)*pow(5,0)*pow(7,0).
Ah.. I was actually looking for the number 14112000, but of course I
didn't look for 32. * 441000.
But then, 14112000 / 5000 gives 2822.4 Hz, which would be a too high
rate for GUI refresh. So, what is relation between the tick and 5000
that leads to a sane GUI refresh rate (and finally, what _is_ the GUI
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