Raspberry Penguin CC by openclipart.org Usually people focus on getting camera streams off their Pi, but I wanted to set up a test environment that would let me play with some encoding and distribution software. For the client in this scenario I'm running a Raspberry Pi 3 Model B which I have plugged into an ethernet cable on my home network. I'm using my Ubuntu 18.04 laptop to serve up the multicast stream. If you're new to multicast the first piece of reading you should do is to read about the reserved IP ranges on Wikipedia . You can't broadcast on just any old address, but you do have a very wide selection to choose from. I decided to broadcast on udp://239.255.0.1 and port 5000, because why not? I downloaded a video from https://www.stockio.com/free-videos/ and saved it into a folder. From there all you need to do is run ffmpeg on the server, thusly: ffmpeg -re -i costa.mp4 -bsf:v h264_mp4toannexb -acodec copy -vcodec copy -f mpegts u...