MPlayer was originally written by Árpád Gereöffy and has been extended and worked on by many more since then, see the AUTHORS file for an (incomplete) list. MPlayer as a whole is copyrighted by the MPlayer team. Individual copyright notices can be found in file headers. Most files in MPlayer are licensed under the GNU General Public License, version 2 with an explicit "or later" clause or a compatible license (LGPL 2.1+, MIT/BSD). An exception are the files talloc.c and talloc.h, which are LGPL 3+. Thus MPlayer as a whole can be redistributed under terms compatible with the GNU General Public License, version 3; see the LICENSE file for details. MPlayer includes code from several external sources. General information and license details are listed below: Name: a couple of files copied from FFmpeg Version: updated to different versions URL: http://www.ffmpeg.org Directory: ffmpeg_files Copyright: Many, see individual files for copyright notices. License: GNU Lesser General Public License Name: mpg123 Version: 0.59s + significant changes URL: http://www.mpg123.de/ Directory: mp3lib Copyright: 1995-1999 by Michael Hipp 2004 Romain Dolbeau 2006 Zuxy Meng License: GNU General Public License Name: librtsp Version: xine CVS 2003/04/10 + patches URL: http://www.xinehq.de Directory: stream/librtsp/ Copyright: 2000-2002 the xine project License: GNU General Public License Name: realrtsp Version: xine CVS 2003/04/17 + patches URL: http://www.xinehq.de Directory: stream/realrtsp/ Copyright: 2002 the xine project License: GNU General Public License Name: pnm protocol implementation Version: xine CVS 2002/12/26 + patches URL: http://www.xinehq.de Directory: stream/pnm.[ch] Copyright: 2000-2002 the xine project License: GNU General Public License Name: id3edit Version: 1.9 + patches URL: http://id3edit.sourceforge.net/ Directory: libmpdemux/genres.h Copyright: 2001 Jason Carter License: GNU General Public License Name: FreeSDP Version: 0.4.1 URL: https://savannah.nongnu.org/projects/freesdp/ Directory: stream/freesdp/ Copyright: 2001-2003 Federico Montesino Pouzols License: GNU General Public License Name: MJPEG Tools Version: post 2001-12-03 release or CVS snapshot URL: http://mjpeg.sourceforge.net/ Directory: libmpdemux/yuv4mpeg* Copyright: 2001 Matthew J. Marjanovic 2001 Andrew Stevens License: GNU General Public License