Nvoverlaysink ignores properties when pipeline is restarted

Hi,
Please try to reset the properites and then re-configure it:

overlay = pipeline.get_by_name("myoverlay")

overlay.set_property("overlay-x", 0)
overlay.set_property("overlay-y", 0)
overlay.set_property("overlay-w", 0)
overlay.set_property("overlay-h", 0)

overlay.set_property("overlay-x", 0)
overlay.set_property("overlay-y", 360)
overlay.set_property("overlay-w", 480)
overlay.set_property("overlay-h", 380)