This site contains the following:

• End-to-end DRM/AES-128 subsystem reference implementation, covering PlayReady, Widevine, FairPlay and AES-128 encryption.
• Online SCTE-35 Parser
• A list of POCs for various OTT scenarios (aka.ms/poc)
• Video test players based on different player frameworks: Azure Media Player, video.js 7/VHS, and JWPlayer
• JWT tool (aka.ms/jwt) for JWT parsing and verification
• IMSC1