[pulseaudio-discuss] Make discoverable PA network sound devices available locally results in huge network traffic

Colin Guthrie gmane at colin.guthr.ie
Fri Jan 21 18:16:42 PST 2011

'Twas brillig, and Tanu Kaskinen at 21/01/11 19:34 did gyre and gimble:
> On Fri, 2011-01-21 at 17:13 +0000, Colin Guthrie wrote:
>> 'Twas brillig, and Brian J. Murrell at 21/01/11 17:10 did gyre and gimble:
>>> A GUI widget would be more useful I think so that one could twiddle it without 
>>> having to drop to a command line.
>> Yeah fair point.
>>> But even more useful still would be to just use the peak reading mode and/or 
>>> make 
>>> the peak reading mode not consume 2-3Mb/s of bandwidth.
>> I'm pretty sure it is set in pavucontrol (it certainly is in the code I
>> have here), but perhaps something is preventing it from working in an
>> ideal way. Keep in mind it'll be active for all the vumeters... so that
>> is every sink, source, sink input and source output.... all in all
>> that's quite a lot of vumeter!
> I had a look at some point at the peak detection resampler... I think
> the peak detection flag that you mentioned earlier doesn't do anything
> else than force the resampler of the source output to be the peak
> detection resampler. The peak detection resampler is almost identical to
> the trivial resampler - the main difference is that it applies abs() to
> all samples, so the receiving end doesn't have to do that. Therefore,
> the data rate is equal to normal streams. Maybe pavucontrol could use
> some ridiculously low sample rate for the vumeter streams? I don't know
> what it uses currently - does it use the source sample rate or what.

Yeah after sending my previous mail I actually had a look same as you
and came to much the same conclusion.

I didn't look at the sample rates but I'll certainly have a look at
setting it to e.g. 8kHz Mono if it's not already the case.



Colin Guthrie

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