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mpv/Copyright
wm4 b304d89e36 Copyright: list specific exceptions to stated rules
The "Files without Copyright notice are licensed as LGPLv2.1+."
statement makes it sound like the manpage and some other stuff are LGPL.
But the rule actually affects only some source files that were added in
mpv.

Change the wording, and also explicitly list the licenses for some non
source files. There might be more such cases.
2017-02-16 11:43:02 +01:00

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mpv is a fork of mplayer2, which is a fork of MPlayer.
mpv as a whole is licensed as GPL version 2 or later (see LICENSE). Most source
files are GPLv2+, but some files are available under a more liberal license,
such as LGPLv2.1+, BSD, MIT, ISC, and possibly others. Look at the copyright
header of each source file, and grep the sources for "Copyright" if you need
to know details. C source files without Copyright notice are licensed as
LGPLv2.1+. Also see the list of files with specific licenses below (not all
files can have a standard license header).
All new contributions must be LGPLv2.1+ licensed, or if the changes are done on
GPL code, must come with the implicit agreement that the project can relicense
the code to LGPLv2.1+ at a later point without asking the contributor. (This
is a safeguard for making potential relicensing of the project to LGPLv2.1+
easier.) Using a more liberal license compatible to LGPLv2.1+ is also ok.
For information about authors and contributors, consult the git log, which
contains the complete SVN and CVS history as well.
Note that mplayer2 as a whole is licensed under GPLv3+. This is because it uses
a copy of talloc (part of Samba), which is LGPLv3+, and the next compatible
license for this mix is GPLv3+.
MPlayer as a whole is licensed under GPLv2 (incompatible to GPLv3!), because
some files are licensed to GPLv2 (and _not_ any later version of the license).
In particular, this affects the file libmpdemux/demux_ty_osd.c. It is disabled
under mplayer2, and has been removed from mpv.
"v2.1+" in this context means "version 2.1 or later".
Source files with specific licenses:
- everything under etc/ is unknown
- everything under DOCS/man/ is GPLv2+
- sub/osd_font.otf is GPLv2+
- some tests under waftools/fragments/ might be GPLv2+