OBS and Webex Meetings Client

swift30

New Member
Dear OBS experts and/or developers!

My company is one of many using Webex for virtual meetings.
In these days, a professional look is essential, so some of our users are looking for ways to do meetings with real green screens (chroma key feature).
OBS would be the perfect solution, but...

...the virtual cam of OBS cannot be used in the Webex Meetings client. It works perfectly well in Chrome, and I also had no problems with some other clients like Teamviewer Meetings. When I start the Webex Meetings client, I can choose 'OBS Virtual Camera' as cam. If I try to start the cam, I get this msg. (translated from German to English):
Cannot establish a connection to the camera
Make sure that your OBS Virtual Camera is properly connected and working.​

It's not a hardware issue. Tested with 5 different cams (2 Logitech, e.g. C922Pro Stream), tested on 3 different pc/laptops (all Windows 10, one of them 20H2)
Other virtual cams work with the Webex client. E.g. Logitechs 'Logi Capture' or the virtual cam of ManyCam.
To be clear: The Webex Meeting client is needed if you want to host a meeting. The host/presenter needs some functions you don't have in the web client, so it's not an option to use Chrome or another browser. Unfortunately :(

Is someone out there who has the same issue our has the solution?

Using OBS 26.0.2
Current version in use: Cisco Webex Meetings 40.12.4.7
 

swift30

New Member
Could be a Webex issue, though it's strange that some other virtual cams I tested work with the Webex Meeting Client.

However, I looked into the NDI tools and they're not only great, they also solved my problem.
The tools in connection with OBS are going to be my playground for the next days ;)
I already used 'Scan Converter' to capture my laptops cam, used the NDI cam on my desktop via 'Webcam Input' as video source cam in OBS, and used the OBS NDI plugin so the laptop could get the OBS output via 'NDI Virtual Input'.
The laptops cpu is happy and for my desktop it's not the big task, even with many mixed sources and filters in OBS. Only the latency isn't perfect so far, but I think that's understandable :)

Issue solved for me. Thank you so much!
 
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