/usr/lib/x86_64-linux-gnu/libsmpeg-0.4.so.0 is in libsmpeg0 0.4.5+cvs20030824-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libsmpeg-0.4.so.0.1.4
/usr/lib/x86_64-linux-gnu/libsmpeg-0.4.so.0.1.4