[Freeswitch-users] Freeswitch-1.6.5 (video Conference)

[Michael Jerris]

we've also fixed some performance issues in later released since 1.6.5

On Monday, April 25, 2016, Ken Rice <krice at freeswitch.org> wrote:

> Sounds like you just aren’t giving the box enough CPU… FreeSWITCH with
> Video Conferencing requires a fair bit of CPU. Consider that you are
> decoding a video stream for each participant to raw video, then potentially
> scaling and compositing those videos together into 1 video, from there you
> then have to re-encode the video into the appropriate video codec for the
> participants and stream it out to them.
>
>
>
> Doing Audio only conferencing (even with G729 which still requires a
> transcode for raw slin audio for mixing) is much less CPU intensive.
>
>
>
> We routinely do 30 to 50 people video conferences with FreeSWITCH. To
> accomplish this, we use a 24 thread (dual hexacore Xeon with Hyperthreading
> enabled) with 48G of Ram. (no we don’t need that much ram it’s just what
> the box came with and has come in handy during testing)
>
>
>
> That being said, your individual mileage will vary. The biggest mistake
> I’ve seen people make is grossly underestimate the CPU resources required
> to handle the video in real time. (consider how much time it takes even on
> something as powerful as a i7-4770K when re-encoding your own videos using
> something like Premiere or other video editing software)
>
>
>
>
>
> *From:* freeswitch-users-bounces at lists.freeswitch.org
> <javascript:_e(%7B%7D,'cvml','freeswitch-users-bounces at lists.freeswitch.org');>
> [mailto:freeswitch-users-bounces at lists.freeswitch.org
> <javascript:_e(%7B%7D,'cvml','freeswitch-users-bounces at lists.freeswitch.org');>]
> *On Behalf Of *Veerabhadrarao Kankatala
> *Sent:* Monday, April 25, 2016 9:16 AM
> *To:* freeswitch-users at lists.freeswitch.org
> <javascript:_e(%7B%7D,'cvml','freeswitch-users at lists.freeswitch.org');>
> *Subject:* [Freeswitch-users] Freeswitch-1.6.5 (video Conference)
>
>
>
> Hello,
>
>
>
> -- I am currently working on video conference module in freeswitch-1.6.5
>
>
>
> -- I am using verto client for confernece (i configured just 3 verto users
> in different hosts) and when i dial 3500 extension from the verto user, the
> conference is starting but the main problem is
>
>
>
> *if 3 users connected with the 3500 conference, the audio is gone(too much
> noice, no audio clearence) and **CPU** usage is reached to **150%+*
>
>
>
> *and i follow below configuration also*
>
> ulimit -c unlimited # The maximum size of core files created.
>
> ulimit -d unlimited # The maximum size of a process's data segment.
>
> ulimit -f unlimited # The maximum size of files created by the shell (default option)
>
> ulimit -i unlimited # The maximum number of pending signals
>
> ulimit -n 999999    # The maximum number of open file descriptors.
>
> ulimit -q unlimited # The maximum POSIX message queue size
>
> ulimit -u unlimited # The maximum number of processes available to a single user.
>
> ulimit -v unlimited # The maximum amount of virtual memory available to the process.
>
> ulimit -x unlimited # ???
>
> ulimit -s 240         # The maximum stack size
>
> ulimit -l unlimited # The maximum size that may be locked into memory.
>
> ulimit -a           # All current limits are reported.
>
>
>
> i am using using  Centos 6.5 with 4GB Ram. Could you any one help me to
> resolve this problem,
>
>
>
> i want to know following thigs
>
>
>
> --> Video confernece configuration
>
> --> Required system configuration
>
> --> and also i would like to know how many possible video conferences can
> be handle by freeswitch-1.6.5
>
>
>
>
>
> Please help me.
>
>
>
> --
>
> Thanks & Regards
> *Veerabhadrarao Kankatala*
>
>
>
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