mpv userscript to make mpv play videos on top when playing and playback window height larger then screen height (needed to be specified in script)

ontop-playback.lua

-- mpv userscript to make mpv play videos on top when playing and playback window height larger then screen height

local was_ontop = true

-- specify screen height here
local screen_height = 768

function playbackEventListener(name, value)
    local ontop = mp.get_property_native("ontop")
    local dheight = mp.get_property_native("dheight",0)*mp.get_property_native("window-scale",0)
    if value or mp.get_property_native("filename","") == "" or mp.get_property_native("pause") or (dheight < screen_height - 80) then
        mp.set_property_native("ontop", false)
        was_ontop = true
        -- mp.msg.info("not on top"..dheight)
    else
        mp.set_property_native("ontop", true)
        was_ontop = false
    end
end

mp.observe_property("pause", "bool", playbackEventListener)
mp.register_event("file-loaded", function (event)
    mp.add_timeout(0.3, playbackEventListener)
end)