fons@email-addr-hidden wrote:
> On Thu, Oct 22, 2009 at 10:21:50AM +1100, cal wrote:
>
>> On the subject of the metering display behaving erratically (as distinct
>> from displaying incorrect values) ... standard zyn refreshes the gui at
>> 25 fps, and to my mind that leaves the metering looking unduly sluggish.
>
> That just depends on the algorithm driving the meter.
> Jkmeter refreshes at 25 Hz by default, and the peak
> indication doesn't look sluggish at all (the RMS one
> does, but that is by design). If your meter is supposed
> to display peak values then the algorithm than computes
> them should hold the max value for some time before
> letting it fall back, in jkmeters this is half a second.
> If you do that the refresh rate just determines how
> smooth the fallback is, and nothing else.
Very helpful, thank you!
>> I've noticed consistent comment along the way (LAU/LAD?) that there's no
>> point refreshing such display elements faster than 60 or so times per
>> second. Yoshi currently uses 50, which I quite like, but if others hate it
>> I'm interested to hear.
>
> There's probably no point in doing that.
Thank you, I needed that!
> And if a GUI
> needs a lock shared with the realtime code that means
> there's a big overall design related problem, and that
> should be the first to get solved.
Indeed, and not all that hard to adjust things accordingly. Doesn't mean I'll get
it right first time though :-).
cheers, and thanks!
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Received on Fri Oct 23 04:15:02 2009
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