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Hi,
We have recently implemented Intel CS for Webrtc 2.0 and noticed that everything works fine at default vga resolution for multiparty conference, but when we set video quality to 720p. We have modified script2.js and set maxVideoBW: 2048 in basic_sample. Below are woogeen_config.js changes
config.erizoController.defaultVideoBW = 2048;
config.erizoController.maxVideoBW = 2048;
config.erizo.openh264Enabled = false;
config.erizo.videolayout.defaultrootsize = "hd720p";
We are testing with leased line of 3 & 4 mbps internet connection, everything works fine for few seconds. However in between video screen becomes black randomly in every 10-15 seconds or sometimes in lesser time and again video comes back. I have observed but no ttl or bandwidth drops.
Our server configuration is : Xeon E3-1240 4 Core, 4 GB RAM with 1 Gbps uplink connectivity
Our client machines are: i5 3rd Gen, 3 GB RAM with leased line of 3 & 4 mbps internet connection. We are doing video conferencing using other webrtc applications in peer-to-peer connection mode at 720p in 2mbps without any issues.
Any idea what configuration changes are needed for smooth video conferencing experience?
- Tags:
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According to that post, we have the problem, that the quality not changing at all:
http://vs03.pruffme.com:3001/?resolution=sif
http://vs03.pruffme.com:3001/?resolution=vga
http://vs03.pruffme.com:3001/?resolution=hd720p
http://vs03.pruffme.com:3001/?resolution=hd1080p
The quality of the video is the same. How to really change output quality?
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Hi Artem,
As mentioned, I have changed configuration file and restarted the server. Apart from that use the querystring variable, you can find similar details in documentation provided with Intel CS for webrtc. You need to have webcam supporting that resolution and can observe changes in Google chrome by opening a new tab with chrome://webrtc-internals
Hope this helps. Any ideas or suggestions are welcome.
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Dear Chunbo,
Yes.l have followed all steps as mentioned in Conference_Server_User_Guide and configured MCU server as per instructions. Forwarded streams of hd720p are working without any issue on same server, I am facing this problem in all my servers only when I am accessing mixed stream. VGA resolution mixed stream from server is working fine, I am facing this problem only when switching to hd720p on server for receiving it.
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Hi Bipin,
We cannot reproduce this on in v2.0 with two clients connect around 40 mins,below are the details,Attachment are the screenshot of the bitsreceive and bitssend.
Server information:
OS:Unbuntu 12.04,physical CPU: 1, cpu cores: 4 core
total used free (GB)
Mem: 16309308 15952744 356564
Two Clients information:
OS:windows7, Processor:i5 CPU,CPU cores: 4 core 3.2GHz
Mem:8GB
Steps:
1. Set the maxVideoBW 2048 in the script2.js in the Release-v2.0/extras/basic_example/public
conference.publish(localStream, {maxVideoBW: 2048}, function (st) {
2. Set the config.erizo.videolayout.defaultrootsize = "hd720p"; in the woogeen_config.js
3. Restart the mcu,tow users join the room in hd720p,keep the connection around 40 mins.
Everything seems to work as expected. NO black frame appears.
We might need more information from you which will help us identify the potential issue.
-
Test Environment,
network status: e.g wired or wireless, package lost etc.
#server machine information: CPU, memory etc: Xeon E3-1240 4 Core, 4 GB RAM with 1 Gbps uplink connectivity
#client machine information: CPU, memory etc: i5 3rd Gen, 3 GB RAM with leased line of 3 & 4 mbps internet connection
test topology: how many clients, how to connected to server, client/browser version
-
It would be better to have the one by on steps for our reproduce, as well as some other important references, like the Chrome webrtc-internals snapshot e.t.c.

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