This library reads and parses video DVD.  It includes a UDF parser
and video DVD structure parses.  It supports unencrypted disks and
also encrypted ones using the external libdvdcss.

A tool (dvdvideo-backup-image) is provided to make decrypted copies
of disks.  This disks often contain various defects in the data
structures to complicate reading them.

libdvdcss is an optional dependency.
