XMPLAY is a very nice directory browser under X11 to use XMPEG, the interactive X11 MPEG player. MPEG is a video format described by the ISO standard ISO CD11172. XMPEG is a MPEG video player add a few extra widgets and buttons and is normally getting called from XMPLAY, but can be used stand alone to include into other programs. The third client is a utility called MPEGINFO which returns the parameters from the MPEG header.