/usr/share/gtk-doc/html/ is in gstreamer1.0-plugins-ugly-doc 1.4.4-2+deb8u1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/ch01.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/ch02.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-1.0.devhelp2
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-a52dec.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-amrnbdec.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-amrnbenc.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-amrwbdec.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-cdiocddasrc.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-lamemp3enc.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-mad.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-plugin-a52dec.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-plugin-amrnb.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-plugin-amrwbdec.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-plugin-asf.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-plugin-cdio.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-plugin-dvdlpcmdec.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-plugin-dvdread.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-plugin-dvdsub.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-plugin-lame.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-plugin-mad.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-plugin-mpeg2dec.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-plugin-realmedia.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-plugin-siddec.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-plugin-twolame.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-plugin-x264.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-rademux.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-rdtmanager.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-rmdemux.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-rtspreal.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-rtspwms.html
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/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-twolame.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-x264enc.html
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/gst-plugins-ugly-plugins-xingmux.html
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/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/index.html
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/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/right.png
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/style.css
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/up-insensitive.png
/usr/share/gtk-doc/html/gst-plugins-ugly-plugins-1.0/up.png