Sebastian
On 04/23/12 20:26, [email protected] wrote:
The server should be no issue at all, with 1 or 2 clients no matter what
JVM settings you choose.
You could try to use OpenMeetings integration screen capture to record
the meeting streams.
The recorded "raw" streams video material is in
webapps/openmeetings/streams/$ROOM_ID/ *.flv
=> You could check if the recorded raw camera file is already "slow-mo"
if yes the issue is somewhere on the publisher side, if not the viewers
just simply can't watch such high-resolution video properly.
Thank you for the suggestion. I will try tomorrow and let you know result.
60-70% of cpu is not an acceptable rate.
That is just too much, you can't make a permanent conference about 1
hour with that load, you might also need some CPU leftover for someting
else like editing whiteboard et cetera.
Well, I test this on standard clients - they need video mostly.
In conference room we will nave 4 cores CPU and this should not be an issue.
I will make more tests tomorrow and let you know exact details.
Btw, I used Logitech HD Pro Webcam C910 for tests + laptop integrated
camera. Both cameras have same issue.
Sebastian
2012/4/23 Sergey Kobzar <[email protected]
<mailto:[email protected]>>
On 04/23/12 20:18, Sergey Kobzar wrote:
On 04/23/12 20:07, [email protected]
<mailto:[email protected]> wrote:
Does yoru webcam support more then 640x480 at all? Most
webcam'S max
resolution is 640x480.
I can not tell exactly now because one camera is integrated in
laptop
and 2nd camera in office.
I'm reviewing option to buy Cisco camera. It costs ~$500 but I'm not
sure if it can help...
Btw, as I told, local camera output seems fine even on 640x480 or
higher resolution. The problem in remote camera only. I tested many
client (computers) but the issue present on all of them.
*CPU load is not problem too*
=> have you really checked that or just assuming? How much %
of your CPU
is the application "eating" on both client that acts as
publisher and as
viewer in your conference?
On 2 cores - ~60-70% (Win task manager)
On 4 cores - ~30-40% (Win task manager)
On server (Intel(R) Core(TM)2 Quad CPU Q9300) less then 10%
(with other
services running).
Startup script:
# cat /opt/red5/red5-highperf.sh
#!/bin/bash
if [ -z "$RED5_HOME" ]; then export RED5_HOME=.; fi
# Previous option set
export JAVA_OPTS="-Xrs -Xms512M -Xmx1024M -Xss128K -XX:NewSize=256m
-XX:SurvivorRatio=16 -XX:MinHeapFreeRatio=20
-XX:+__ExplicitGCInvokesConcurrent -XX:+UseConcMarkSweepGC
-Djava.net.preferIPv4Stack=__true -Xverify:none"
# start Red5
echo "Setting Hi Performance Options"
exec $RED5_HOME/red5.sh >> $RED5_HOME/log/jvm.stdout 2>&1 &
Sebastian
2012/4/23 Sergey Kobzar <[email protected]
<mailto:[email protected]>
<mailto:sergey.kobzar@itcraft.__org
<mailto:[email protected]>>>
Hello
I have installed Openmeetings 1.9.1 r4707 on Linux
2.6.39-gentoo-r3
i686. It works fine except if I change camera resolution to
640x480
or higher. After this video becomes slow and I see "slide show".
Window which shows local camera output is OK - no delays.
Computers (clients) and server are inside same LAN and have
100M or
1G connection. Network speed is not an issue definitely.
CPU load is not problem too - I have Intel CPU with 2 or 4
cores.
Do you have any ideas how to fix the problem?
Thank you.
--
Sebastian Wagner
https://twitter.com/#!/dead___lock
<https://twitter.com/#%21/dead_lock>
<https://twitter.com/#%21/__dead_lock
<https://twitter.com/#%21/dead_lock>>
http://www.openmeetings.de
http://www.webbase-design.de
http://www.wagner-sebastian.__com
<http://www.wagner-sebastian.com>
[email protected] <mailto:[email protected]>
<mailto:[email protected] <mailto:[email protected]>>
--
Sebastian Wagner
https://twitter.com/#!/dead_lock <https://twitter.com/#%21/dead_lock>
http://www.openmeetings.de
http://www.webbase-design.de
http://www.wagner-sebastian.com
[email protected] <mailto:[email protected]>
