Specifically, the GPL parts of Libav are
-- the X11 grabber in libavdevice/x11grab.c
- the texi2pod.pl tool
- the following filters in libavfilter:
- vf_blackframe.c
The Fraunhofer AAC library, FAAC and OpenSSL are under licenses incompatible
with all (L)GPL versions. Thus, unfortunately, since both licenses cannot be
satisfied simultaneously, binaries resulting from the combination of Libav
-with these libraries are nonfree und unredistributable. If you wish to enable
+with these libraries are nonfree and unredistributable. If you wish to enable
any of these libraries nonetheless, pass --enable-nonfree to configure.