/usr/ is in liboggplay1-dev 0.2.1~git20091227-4.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/oggplay/
/usr/include/oggplay/oggplay.h
/usr/include/oggplay/oggplay_callback_info.h
/usr/include/oggplay/oggplay_enums.h
/usr/include/oggplay/oggplay_query.h
/usr/include/oggplay/oggplay_reader.h
/usr/include/oggplay/oggplay_seek.h
/usr/include/oggplay/oggplay_tools.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/liboggplay.a
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/oggplay-uninstalled.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/oggplay.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/liboggplay1-dev/
/usr/share/doc/liboggplay1-dev/copyright
/usr/lib/x86_64-linux-gnu/liboggplay.so
/usr/share/doc/liboggplay1-dev/changelog.Debian.gz