installing the library. Then pass @code{--enable-libwavpack} to configure to
enable it.
+@section libxavs
+
+Libav can make use of the libxavs library for Xavs encoding.
+
+Go to @url{http://xavs.sf.net/} and follow the instructions for
+installing the library. Then pass @code{--enable-libxavs} to configure to
+enable it.
+
@section OpenH264
Libav can make use of the OpenH264 library for H.264 encoding and decoding.