/usr/lib/x86_64-linux-gnu/libmedia.so is in libmedia-dev 0.1.0+git20151016+6d424c9-0ubuntu7.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libmedia.so.1.0.0
/usr/lib/x86_64-linux-gnu/libmedia.so.1.0.0