MXF demuxer
MXF is a new fileformat to wrap arbitrary movieformats. it's used in the broadcasting world o.a.
MXF list of standards for MXF: http://www.irt.de/IRT/mxf/information/specification/index.html
MXF File Repository (see golden and manufacturer files):http://www.irt.de/IRT/mxf/files/index.php
MXF Express and MXF Desktop (dshow plugin for WMP):http://www.snellwilcox.com/mxf/index.php
Opensource MXF implementation http://www.freemxf.org/