/usr/include/gstreamer-1.0/gst/video/ is in libgstreamer-plugins-base1.0-dev 1.2.4-1~ubuntu2.1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/gstreamer-1.0/gst/video/colorbalance.h
/usr/include/gstreamer-1.0/gst/video/colorbalancechannel.h
/usr/include/gstreamer-1.0/gst/video/gstvideodecoder.h
/usr/include/gstreamer-1.0/gst/video/gstvideoencoder.h
/usr/include/gstreamer-1.0/gst/video/gstvideofilter.h
/usr/include/gstreamer-1.0/gst/video/gstvideometa.h
/usr/include/gstreamer-1.0/gst/video/gstvideopool.h
/usr/include/gstreamer-1.0/gst/video/gstvideosink.h
/usr/include/gstreamer-1.0/gst/video/gstvideoutils.h
/usr/include/gstreamer-1.0/gst/video/navigation.h
/usr/include/gstreamer-1.0/gst/video/video-blend.h
/usr/include/gstreamer-1.0/gst/video/video-chroma.h
/usr/include/gstreamer-1.0/gst/video/video-color.h
/usr/include/gstreamer-1.0/gst/video/video-enumtypes.h
/usr/include/gstreamer-1.0/gst/video/video-event.h
/usr/include/gstreamer-1.0/gst/video/video-format.h
/usr/include/gstreamer-1.0/gst/video/video-frame.h
/usr/include/gstreamer-1.0/gst/video/video-info.h
/usr/include/gstreamer-1.0/gst/video/video-overlay-composition.h
/usr/include/gstreamer-1.0/gst/video/video.h
/usr/include/gstreamer-1.0/gst/video/videoorientation.h
/usr/include/gstreamer-1.0/gst/video/videooverlay.h