OBS Studio now offers native support for Apple silicon
Best microphone audio recording settings for obs on Macbook air m1 | YouTube channel- https://www.youtube.com/channel/UC-t8UsI4k_vYWKCU0eq1efQ | By Tawsif's DailyAid | Facebook
2022 UPDATE IN DESCRIPTION!) Streaming with OBS on an M1 MacBook Air? - YouTube
Apple VT H264 Hardware Encoder not available in Apple Silicon (M1) MacBook Pro · Issue #4170 · obsproject/obs-studio · GitHub