[kde-freebsd] Re: kmix polling rate

[Andriy Gapon]

on 19/07/2011 14:23 Alberto Villa said the following:
> On Tuesday 19 July 2011 13:03:31 Andriy Gapon wrote:
>> I think that this issue has been brought up in the past - it seems that
>> kmix polls mixer states every 50 ms and I think that it this is a too fast
>> rate for such an operating where 500 ms would easily suffice.  On my
>> system this polling is sufficient to prevent powerd from using lower 
> CPU
>> frequencies.
>>
>> I think that this issue is relevant specifically to FreeBSD because that
>> polling seems to be done for OSS sound driver.
> 
> since you appear to speak with code in front of you, can you point us to 
> the file:loc, please?

In kdemultimedia4 port: backends/mixer_backend.cpp:57
        if ( needsPolling() ) {
            _pollingTimer->start(50);
        }

needsPolling() returns true for OSS, false for ALSA and pulseaudio.

-- 
Andriy Gapon