2) Licensing
------------
-* Read the file COPYING. ffmpeg and the associated libraries EXCEPT
- libpostproc and libswscale are licensed under the GNU Lesser General
- Public License.
+* Read the file COPYING.LGPL. FFmpeg and the associated libraries EXCEPT
+ for libpostproc are licensed under the GNU Lesser General Public License.
-* libpostproc and libswscale are distributed under the GNU General Public
- License and their compilation and use is optional in ffmpeg.
+* libpostproc is distributed under the GNU General Public License, see the
+ file COPYING.GPL for details. Its compilation and use in FFmpeg is optional.
-Fabrice Bellard.
+* libswscale contains some optional processor-specific optimizations that are
+ distributed under the GNU General Public License.
+
+* The files libavcodec/x86/idct_mmx.c, libavcodec/x86/h264_deblock_sse2.asm
+ and libavcodec/x86/h264_idct_sse2.asm are distributed under the GNU General
+ Public License. They are strictly optimizations and their use is optional.
+
+* The file libavcodec/ac3dec.c is distributed under the GNU General Public
+ License. In order for (E-)AC-3 decoding to work you need to enable GPL
+ components.
+
+* The file libavdevice/x11grab.c is distributed under the GNU General
+ Public License. X11 grabbing is optional.
+
+* The files libavcodec/jfdctfst.c, libavcodec/jfdctint.c, libavcodec/jrevdct.c
+ are taken from libjpeg, see the top of the files for licensing details.
+
+* The file libavcodec/fdctref.c is copyrighted by the MPEG Software Simulation
+ Group with all rights reserved. It is only used to create a DCT test program
+ and not compiled into libavcodec.
+
+* Some external libraries are under GPL. If you wish to use them with FFmpeg,
+ you have to configure FFmpeg as GPL as well.
projects / ffmpeg / blobdiff