The ProtectionSchemeInformationBox contains all the information required both
to understand the encryption transform applied and its parameters, and also to find other
information such as the kind and location of the key management system. It also documents the
the original (unencrypted) format of the media. The ProtectionSchemeInformationBox
is a container box. It is mandatory in a sample entry that uses a code idicating a
protected stream. |
