[BUG]: h264 codec does not work or is not available for selection

[OdCheban]

Package version

3.1.0-exp.7

Environment

* OS:10
* Unity version:2021.3.39f1
* Graphics API:
* Browser:Chrome

Steps To Reproduce

I would like to play the project with the n264 codec. How can I do it?

Current Behavior

The x264 selection is not available in the "Video stream sender" settings

Expected Behavior

No response

Anything else?

No response