In this video I stream a Mac screen to a Raspberry Pi using FFmpeg. This could be used for remotely displaying a presentation. This does not transmit audio from the Mac.
Raspberry Pi (Amazon Affiliate)
US: https://amzn.to/2LpyVob
UK: https://amzn.to/2Z2inKX
CA: https://amzn.to/2y5yAUA
ES: https://amzn.to/3fSDhSS
FR: https://amzn.to/2LpurxT
IT: https://amzn.to/2T2VZNu
DE: https://amzn.to/3buHRmQ
IN: https://amzn.to/2B3PGTN
List Devices
ffmpeg -f avfoundation -list_devices true -i ""
FFmpeg Command on Mac
ffmpeg -f avfoundation -i "1" -vcodec h264_videotoolbox -realtime 1 -pix_fmt nv12 -b:v 5000k -f mpegts udp://ip_address_of_pi:1234
Command on Raspberry Pi
omxplayer --timeout 60 ip_address_of_mac:1234