[Freeswitch-users] mod_skypopen new documentation is ready !

Dušan Dragić dragic.dusan at gmail.com
Sat Aug 23 01:39:09 MSD 2014

you probably meant pulseaudio instead of portaudio?

On 22 August 2014 16:20, Giovanni Maruzzelli <gmaruzz at gmail.com> wrote:
> Just to be clear: making portaudio clocking to be more efficient not only
> will lower portaudio itself to use less cpu, but will lower the cpu usage of
> the skype clients, and probably of freeswitch too, because there will be
> less taxing on the timers at the kernel level, and so all applications will
> have less contention, less blocking, etc.
>> Anyway, the only way we have to lower cpu usage is to act on portaudio
>> (that is used uniquely as a source of timing by skype client, eg: its reads
>> and writes on portaudio are moving blank samples, just to clocking the reads
>> and writes on TCP socket of the real audio packets). Portaudio uses realtime
>> kernel timers from userland, and is not optimized at all for using many of
>> them concurrently.
>> That is the only moving wheel we can modify. We cannot modify the Skype
>> client itself (unfortunately :) ).
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Dušan Dragić

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