PUBLIC MARKS from cyberien with tags "open source" & player

MPlayer is a free and open source media player distributed under the GNU General Public License. The program is available for all major operating systems, including Linux and other Unix-like systems, Microsoft Windows and Mac OS X. MPlayer is known to support a wide variety of media formats. In addition to its wide range of supported formats MPlayer can also save all streamed content to a file. A companion program, MEncoder, can take an input stream or file and transcode it into several different output formats, optionally applying various transforms along the way.