-- This script automatically loads playlist entries before and after the -- the currently played file. It does so by scanning the directory a file is -- located in when starting playback. It sorts the directory entries -- alphabetically, and adds entries before and after the current file to -- the internal playlist. (It stops if the it would add an already existing -- playlist entry at the same position - this makes it "stable".) -- Add at most 5 * 2 files when starting a file (before + after). MAXENTRIES = 5 mputils = require 'mp.utils' function add_files_at(index, files) index = index - 1 local oldcount = mp.get_property_number("playlist-count", 1) for i = 1, #files do mp.commandv("loadfile", files[i], "append") mp.commandv("playlist_move", oldcount + i - 1, index + i - 1) end end function find_and_add_entries() local path = mp.get_property("path", "") local dir, filename = mputils.split_path(path) if #dir == 0 then return end local files = mputils.readdir(dir, "files") table.sort(files) if dir == "." then dir = "" end local pl = mp.get_property_native("playlist", {}) local pl_current = mp.get_property_number("playlist-pos", 0) + 1 -- Find the current pl entry (dir+"/"+filename) in the sorted dir list local current for i = 1, #files do if files[i] == filename then current = i break end end if current == nil then return end local append = {[-1] = {}, [1] = {}} for direction = -1, 1, 2 do -- 2 iterations, with direction = -1 and +1 for i = 1, MAXENTRIES do local file = files[current + i * direction] local pl_e = pl[pl_current + i * direction] if file == nil or file[1] == "." then break end local filepath = dir .. file if pl_e then -- If there's a playlist entry, and it's the same file, stop. if pl_e.filename == filepath then break end end if direction == -1 then if pl_current == 1 then -- never add additional entries in the middle mp.msg.info("Prepending " .. file) table.insert(append[-1], 1, filepath) end else mp.msg.info("Adding " .. file) table.insert(append[1], filepath) end end end add_files_at(pl_current + 1, append[1]) add_files_at(pl_current, append[-1]) end mp.register_event("start-file", find_and_add_entries)