#6 LXF container support

[Darrell Enns]

Support for Harris/Leitch/Imagine LXF containers would be a huge benefit. This is a common broadcast format. I think it should not be too difficult to add support for, as it's just a different wrapper around MPEG2 data. I can provide sample files if needed.

[Carlos Fernandez]

This is the kind of stuff unlikely too happen without sponsorship; I just don't have any personal use for this format.