/usr/ is in ruby-gstreamer 1.0.3-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/1.9.1/
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/gst.rb
/usr/lib/ruby/vendor_ruby/1.8/
/usr/lib/ruby/vendor_ruby/1.8/x86_64-linux/
/usr/lib/ruby/vendor_ruby/1.8/x86_64-linux/gst.so
/usr/lib/ruby/vendor_ruby/1.9.1/x86_64-linux/
/usr/lib/ruby/vendor_ruby/1.9.1/x86_64-linux/gst.so
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-gstreamer/
/usr/share/doc/ruby-gstreamer/copyright
/usr/share/doc/ruby-gstreamer/examples/
/usr/share/doc/ruby-gstreamer/examples/audio-player.rb
/usr/share/doc/ruby-gstreamer/examples/gst-inspect.rb
/usr/share/doc/ruby-gstreamer/examples/install-plugins.rb
/usr/share/doc/ruby-gstreamer/examples/media-type.rb
/usr/share/doc/ruby-gstreamer/examples/media-type2.rb
/usr/share/doc/ruby-gstreamer/examples/ogg-audio-player.rb
/usr/share/doc/ruby-gstreamer/examples/type-find.rb
/usr/share/doc/ruby-gstreamer/examples/video-player.rb
/usr/share/doc/ruby-gstreamer/examples/xml-player.rb
/usr/lib/ruby/vendor_ruby/1.8/gst.rb
/usr/share/doc/ruby-gstreamer/changelog.Debian.gz