mpv - Options for specific directories

directory_options.lua

-- Use different options when playing files from a specific directory
-- as well as all of it's sub-directories.
-- Where "/home/user/video" insert the full path of the directory you wish
-- and enter whatever option you like.

local utils = require 'mp.utils'
function directory_options()
    
    fullpath = utils.join_path(mp.get_property("working-directory"), mp.get_property("path"))
    
    if string.match(fullpath, "/home/user/video") ~= nil then
        mp.set_property_bool("fullscreen", true)
        mp.set_property("osd-level", 3)
    end
    
end

mp.observe_property("path", "string", directory_options)