[alsa-devel] pulseaudio eats 19% CPU power in Fedora 12

[Colin Guthrie]

'Twas brillig, and Raymond Yau at 22/04/10 02:11 did gyre and gimble:
> is it possible to provide some figure  to compare the CPU usage of PA when
> using  pacat, paplay and aplay on your machine ?
> 
> the problem of Shuang He seem related to upmixing of stereo to surround71
> 
>>>     sink: 0 <alsa_output.pci-0000_00_1b.0.
> analog-surround-71>
>         volume: 0: 100% 1: 100%
>                 0: 0.00 dB 1: 0.00 dB
>                 balance 0.00
>         muted: no
>         current latency: 444.25 ms
>         requested latency: 31.25 ms
>         sample spec: s16le 2ch 48000Hz
>         channel map: front-left,front-right
>                      Stereo
>         resample method: speex-float-3
>         module: 8
>         client: 7 <ALSA plug-in [mplayer_2010_0414]>


Probably not meaninfully on this machine as it's only got stereo. I'll
try and get one of my more elaborate machines ready for an upmixing
comparison.

Col

-- 

Colin Guthrie
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http://colin.guthr.ie/

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