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authorKonrad Iturbe <github@chernowii.com>2014-05-27 20:14:48 +0200
committerMichael Niedermayer <michaelni@gmx.at>2014-05-28 22:38:28 +0200
commit50f4d0bb50522240b048231c29c6e852e82ade01 (patch)
treeda710da558277a98509e20e2c08c9b4d5f874dae /LICENSE
parentc1485afe4975f95893327a2deb435cb6a72f7d9a (diff)
LICENCE: add markdown syntax
Reviewed-by: llogan Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'LICENSE')
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-FFmpeg:
-
-Most files in FFmpeg are under the GNU Lesser General Public License version 2.1
-or later (LGPL v2.1+). Read the file COPYING.LGPLv2.1 for details. Some other
-files have MIT/X11/BSD-style licenses. In combination the LGPL v2.1+ applies to
-FFmpeg.
-
-Some optional parts of FFmpeg are licensed under the GNU General Public License
-version 2 or later (GPL v2+). See the file COPYING.GPLv2 for details. None of
-these parts are used by default, you have to explicitly pass --enable-gpl to
-configure to activate them. In this case, FFmpeg's license changes to GPL v2+.
-
-Specifically, the GPL parts of FFmpeg are
-
-- libpostproc
-- libmpcodecs
-- optional x86 optimizations in the files
- libavcodec/x86/idct_mmx.c
-- libutvideo encoding/decoding wrappers in
- libavcodec/libutvideo*.cpp
-- the X11 grabber in libavdevice/x11grab.c
-- the swresample test app in
- libswresample/swresample-test.c
-- the texi2pod.pl tool
-- the following filters in libavfilter:
- - f_ebur128.c
- - vf_blackframe.c
- - vf_boxblur.c
- - vf_colormatrix.c
- - vf_cropdetect.c
- - vf_decimate.c
- - vf_delogo.c
- - vf_geq.c
- - vf_histeq.c
- - vf_hqdn3d.c
- - vf_kerndeint.c
- - vf_mcdeint.c
- - vf_mp.c
- - vf_owdenoise.c
- - vf_perspective.c
- - vf_phase.c
- - vf_pp.c
- - vf_pullup.c
- - vf_sab.c
- - vf_smartblur.c
- - vf_spp.c
- - vf_stereo3d.c
- - vf_super2xsai.c
- - vf_tinterlace.c
- - vsrc_mptestsrc.c
-
-Should you, for whatever reason, prefer to use version 3 of the (L)GPL, then
-the configure parameter --enable-version3 will activate this licensing option
-for you. Read the file COPYING.LGPLv3 or, if you have enabled GPL parts,
-COPYING.GPLv3 to learn the exact legal terms that apply in this case.
-
-There are a handful of files under other licensing terms, namely:
-
-* The files libavcodec/jfdctfst.c, libavcodec/jfdctint_template.c and
- libavcodec/jrevdct.c are taken from libjpeg, see the top of the files for
- licensing details. Specifically note that you must credit the IJG in the
- documentation accompanying your program if you only distribute executables.
- You must also indicate any changes including additions and deletions to
- those three files in the documentation.
-
-
-external libraries
-==================
-
-FFmpeg can be combined with a number of external libraries, which sometimes
-affect the licensing of binaries resulting from the combination.
-
-compatible libraries
---------------------
-
-The following libraries are under GPL:
- - frei0r
- - libcdio
- - libutvideo
- - libvidstab
- - libx264
- - libx265
- - libxavs
- - libxvid
-When combining them with FFmpeg, FFmpeg needs to be licensed as GPL as well by
-passing --enable-gpl to configure.
-
-The OpenCORE and VisualOn libraries are under the Apache License 2.0. That
-license is incompatible with the LGPL v2.1 and the GPL v2, but not with
-version 3 of those licenses. So to combine these libraries with FFmpeg, the
-license version needs to be upgraded by passing --enable-version3 to configure.
-
-incompatible libraries
-----------------------
-
-The Fraunhofer AAC library, FAAC and aacplus are under licenses which
-are incompatible with the GPLv2 and v3. We do not know for certain if their
-licenses are compatible with the LGPL.
-If you wish to enable these libraries, pass --enable-nonfree to configure.
-But note that if you enable any of these libraries the resulting binary will
-be under a complex license mix that is more restrictive than the LGPL and that
-may result in additional obligations. It is possible that these
-restrictions cause the resulting binary to be unredistributeable.