[Chrome 88 - MacOS] Green Screen on Video Recording Playback when using H264 Codec

[jenniezchu]

Environment: MacOS (10.14.6), Chrome 88 (88.0.4324.150) with "Use hardware acceleration when available" turned OFF

Disable "Use hardware acceleration when available" in Chrome
In Chrome --> Preferences --> Advanced --> System: Turn off "Use hardware acceleration when available"

Reproduction Steps:

1. Head over to webrtc demo: https://www.webrtc-experiment.com/RecordRTC/
2. Select Microphone & Camera and the "H264" codec option
3. Start Recording
4. End Recording
5. BUG: See that the video contains a green screen
   Expected: Recorded video should be displayed

Screenshots: