MKVToolnix: cross-platform tools for Matroska.
With these tools one can get information about (mkvinfo) Matroska files,
extract tracks/data from (mkvextract) Matroska files and create
(mkvmerge) Matroska files from other media files.
Available flavors:
no_x11 - do not build the wxGTK2 frontend
ok jolan@ simon@