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[ffmpeg] / README

diff --git a/README b/README
index cadf5d55e998a7e52684df6564aad91814970790..404c33b1c532e04f28cdc1edf09e31a297d7d96c 100644 (file)
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+++ b/README
@@ -9,8 +9,27 @@ FFmpeg README
 2) Licensing
 ------------
 
-* Read the file COPYING. ffmpeg and the associated libraries EXCEPT
-  liba52 are licensed under the Lesser GNU General Public
-  License. liba52 is distributed under the GNU General Public License.
+* Read the file COPYING.LGPL. FFmpeg and the associated libraries EXCEPT
+  for libpostproc and libswscale are licensed under the GNU Lesser General
+  Public License.
 
-Fabrice Bellard.
\ No newline at end of file
+* libpostproc and libswscale are distributed under the GNU General Public
+  License, see the file COPYING.GPL for details. Their compilation and use
+  in FFmpeg is optional.
+
+* The file libavcodec/x86/idct_mmx.c is distributed under the GNU General
+  Public License. It is strictly an optimization and its 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.