[Freeswitch-users] OPUS and CPU load

Quan Huo Sheng quanhs at stee.stengg.com
Fri Apr 8 08:01:26 MSD 2016


I want to set up Webrtc Demo using freeswitch with media switching or media transcode. Setup is chrome (sip.js) ->fs->chrome (sip.js), but end up with fail.
Can you share your successful case using Webrtc + opus. (SIP preferred to Verto as signal).


From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of Oleg Stolyar
Sent: Friday, April 08, 2016 12:50 AM
To: FreeSWITCH Users Help
Subject: Re: [Freeswitch-users] OPUS and CPU load

In my tests OPUS transcoding seems to consume 5-6 times more CPU then G.711 or G.722.

On Thu, Apr 7, 2016 at 9:39 AM, Michael Jerris <mike at jerris.com<mailto:mike at jerris.com>> wrote:
I've seen estimates that opus is up to twice as heavy as g729.  webrtc encryption adds some (although not huge) load on top of that.  20 opus sessions per cpu seems low, are these particularly slow processors or virtual processors?

> On Apr 7, 2016, at 12:25 PM, Agustí Ubalde <aubalde at presenceco.com<mailto:aubalde at presenceco.com>> wrote:
> Hi all,,
> I have found that the CPU usage with users WebRTC + OPUS is high. With 2vCPUs, 10 users use 25% of CPU. Anyone know if this load is normal?

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