DRM Content:
- DRM content is a protect content.
- DRM content can be accessed only if you have the correct decryption key.
- DRM content distriputed in chunks in fMP4 format and needs some treatment to be usable by video players.
- DRM contents distreputed according to DASH-IOP protocol using XML as media descriptor.
HLS Stream:
- HLS is distreputed in MP4 or TS format that can be played directly by video players.
- HLS content distriputed over Transport Stream protocol using HTTP in m3u8 format.
- HLS is not encrypted (in general).