You can get sources from svn using the command :
svn co https://ario-player.svn.sourceforge.net/svnroot/ario-player/trunk ario

You can compile it using:
./autogen.sh
make -s

And install it with:
make install

Any remark or contribution on Ario will be very welcome.

You can also browse ario sources.

You can help translating Ario very easily thanks to the Ario translation page on launchpad.