In the process of evaluating the Java Native Access for libxine-java,
I've created an audio-only port of it.
It's available in the SVN at https://libxine-java.svn.sourceforge.net/svnroot/libxine-java/branches/libxine-java-jna
It needs the jna.jar which can be downloaded into the libs folder by:
The MuXine.java example is simliar to the one from libxine-java using
SWIG & JNI.
Only a limited subset of xine is available yet. Be careful! :)
I'm not sure, if using JNA is a viable option in general, but it might
be for some projects.