* The file libavcodec/i386/idct_mmx.c is distributed under the GNU General
Public License. It is strictly an optimization and its use is optional.
+* 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.