+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
+==================
+
+Libav can be combined with a number of external libraries, which sometimes
+affect the licensing of binaries resulting from the combination.
+
+compatible libraries
+--------------------