Video / Live Streaming

Tools

RTMP - Real-Time Messaging Protocol

https://github.com/facebookincubator/rtmp-go-away

HLS - https://www.toptal.com/apple/introduction-to-http-live-streaming-hls

MPEG-DASH - Dynamic Adaptive Streaming over HTTP

WebRTC

Peer to peer live streaming protocol

ICE - Interactivity Connection Establishment

A framework for connecting peers
Tries to find the best path for each call
Vast majority of calls can use STUN
ICE Agent
ICE Candidates

SDP - Session Description Protocol

What capabilities are there in a call (Audio/Video)
What codecs can be used
What bandwidth is available for the call

STUN - Session Traversals Utility for NAT

What is my public IP address (because of NAT)
NAT Hole punching
A server that is publicly available on internet and that server will respond with your public ip and port that you requested with.
Google/Twilio hosts STUN server / CoTurn/ Xirsys (https://xirsys.com)

TURN - Traversal Using Relay around NAT

Provide a cloud fallback if peer-to-peer communication fails
Data is sent through server, uses server environment
Ensures the call works in almost all environments
Relays packet from point A to point B
All TURN servers are also STUN servers

WebRTC Crash Course

GitHub - Jaideep25/Videolify: Peer-peer calling, with screensharing, whiteboard, amazing themes, easy to read the code, etc !! ⭐ 84

FFMPEG Streaming

ffmpeg (fast forward motion pictures expert group) for streaming videos over rtp to any number of different locations using multicasting

Commands

brew install ffmpeg

ffmpeg -i demo.mp4 -v 0 -vcodec mpeg4 -f mpegts udp://192.168.1.119:1234

ffplay udp://192.168.1.119:1234

ffmpeg -i rtp://@239.35.10.4:10000 -map 0:0 -map 0:2 -vcodec copy -acodec

copy -t 10 -y test.mkv- Wowza Streaming Server