[BUG]: When pulling the flow, the picture is abnormal, and part is gray

[ijinfeng]

Package version

3.0.0-pre.8

Environment

* OS:windows 10
* Unity version:2021.3.33f1

Steps To Reproduce

I have a python server that uses the aiortc plugin to push streams and force H264 encoding. Then, when using Unity. webrtc plug-in in unity to pull the flow operation, occasionally the captured screen appears abnormal display. I have tested at the same time with the browser pull stream, the browser is normal, does not appear this gray. This looks like a problem with the flow. I hope I can get help.

Current Behavior

No response

Expected Behavior

No response

Anything else?

No response