xset.lua

local utils = require("mp.utils")

function enableDpms(v)
    if v then
        arg = '+dpms'
    else
        arg = '-dpms'
    end
    utils.subprocess({ args = { 'xset', arg } })
end

-- Disable the screen blanking when playing a film
mp.observe_property("pause", "bool", function(k, v) enableDpms(v) end)
mp.register_event("shutdown", function(ev) enableDpms(true) end)