A simple library for parsing PSSH headers from ISOBMFF boxes
Parses basic information for PlayReady and Widevine, including KeyIDs. Will signal presence for a number of DRM systems.
Make sure you have a working go environment
go get github.com/colde/psshutil
go install github.com/colde/psshutil
psshutil -i video.mp4