"MythTV is an open source DVR solution that supports recording
of live video broadcast and playback of recorded material. It also
supports the direct import of DVD content. But if you've got
multiple DVD players spread across different computer systems and a
need to control disk space usage on your MythTV backend, AcidRip
offers a more flexible option.
"DVDs contain a number of files, the most important of which to
the average home user are the transport stream files which contain
the video and audio content. MythTV and its video plugin,
MythVideo, will playback video in a variety of file formats..."