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. An exception is the file libmpdemux/demux_ty_osd.c, which is version 2 only. Thus MPlayer as a whole can be redistributed under the terms of the GNU General Public License, version 2, see the LICENSE file for details. MPlayer includes code from several external sources. General information and license details are listed below: Name: FFmpeg Version: Subversion HEAD URL: http://www.ffmpeg.org Directory: libavcodec, libavformat, libavutil, libpostproc Copyright: Many, see individual files for copyright notices. License: GNU Lesser General Public License, some parts GNU General Public License, GNU General Public License when combined Name: FAAD2 Version: 2.1 beta (20040915 CVS snapshot) + fixes and portability patches URL: http://www.audiocoding.com Directory: libfaad2 Copyright: 2003-2004 M. Bakker, Ahead Software AG, http://www.nero.com License: GNU General Public License Name: libdvdcss Version: Subversion r231 URL: http://developers.videolan.org/libdvdcss/ Directory: libdvdcss Copyright: 1998-2008 VideoLAN License: GNU General Public License Name: libdvdread Version: Subversion HEAD URL: svn://svn.mplayerhq.hu/dvdnav/trunk/libdvdread/src Directory: libdvdread4 Copyright: 1998, 1999 Eric Smith 1999 Christian Wolff for convergence integrated media 2000-2004 Billy Biggs , 2001-2002 Samuel Hocevar , 2000-2004 Björn Englund , 2000-2004 Håkan Hjort License: GNU General Public License Name: libdvdnav Version: Subversion HEAD from URL: svn://svn.mplayerhq.hu/dvdnav/trunk/libdvdnav/src Directory: libdvdnav Copyright: 2000, 2001 Martin Norbäck, Håkan Hjort 2000-2004 Rich Wareham 2001-2004 the dvdnav project License: GNU General Public License Name: libmpeg2 Version: 0.5.1 + patches URL: http://libmpeg2.sourceforge.net/ Directory: libmpeg2 Copyright: 1999-2000 Aaron Holtzman 2000-2004 Michel Lespinasse 2002-2003 Falk Hueffner 2003 David S. Miller 2003 Regis Duchesne 2003 Peter Gubanov License: GNU 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 Name: NuppelVideo / RTJPEG Version: 0.52a + patches URL: http://web.archive.org/web/20060219034716/http://frost.htu.tuwien.ac.at/~roman/nuppelvideo/ Directory: libmpcodecs/native/rtjpegn.[ch] Copyright: 1998 Justin Schoeman (justin@suntiger.ee.up.ac.za) 1998, 1999 Joerg Walter 1999 Wim Taymans License: GNU General Public License Name: ReactOS Version: r25937 URL: http://www.reactos.org/ Directory: vidix/dhahelperwin/ntverp.h vidix/dhahelperwin/common.ver Copyright: Alex Ionescu (alex.ionescu@reactos.org) License: GNU General Public License