The MP4::Info module can be used to extract tag and meta information
from MPEG-4 audio (AAC) and video files. It is designed as a drop-in
replacement for MP3::Info.

Note that this module does not allow you to update the information
in MPEG-4 files.

Author: Jonathan Harris <jhar@cpan.org>
WWW: http://search.cpan.org/dist/MP4-Info/