local ov = mp.create_osd_overlay('ass-events')
ov.data = [[{\an5\p1\alpha&H79\1c&Hffffff&\3a&Hff\pos(760,440)}]] ..
          [[m-125 -75 l 2 2 l -125 75]]

mp.observe_property('pause', 'bool', function(_, paused)
    mp.add_timeout(0.1, function()
        if paused then ov:update()
        else ov:remove() end
    end)
end)