/usr/lib/x86_64-linux-gnu/libxine.so is in libxine2-dev 1.2.8-2build2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libxine.so.2.6.1
/usr/lib/x86_64-linux-gnu/libxine.so.2.6.1