bitingsock/ytdl-preload.lua

## ytdl-preload.lua
----------------------
-- #example ytdl_preload.conf
-- # make sure lines do not have trailing whitespace
-- # ytdl_opt has no sanity check and should be formatted exactly how it would appear in yt-dlp CLI, they are split into a key/value pair on whitespace
-- # at least on Windows, do not escape '\' in temp, just us a single one for each divider

-- #temp=R:\ytdltest
-- #ytdl_opt1=-r 50k
-- #ytdl_opt2=-N 5
-- #ytdl_opt#=etc
----------------------
local nextIndex
local caught = true
-- local pop = false
local ytdl = "yt-dlp"
local utils = require 'mp.utils'

local options = require 'mp.options'
local opts = {
    temp = "R:\\ytdl",
    ytdl_opt1 = "",
    ytdl_opt2 = "",
    ytdl_opt3 = "",
    ytdl_opt4 = "",
    ytdl_opt5 = "",
    ytdl_opt6 = "",
    ytdl_opt7 = "",
    ytdl_opt8 = "",
    ytdl_opt9 = "",
}
options.read_options(opts, "ytdl_preload")
local additionalOpts = {}
for k, v in pairs(opts) do
    if k:find("ytdl_opt%d") and v ~= "" then
        additionalOpts[k] = v
        -- print("entry")
        -- print(k .. v)
    end
end
local cachePath = opts.temp

local chapter_list = {}
local json = ""
local filesToDelete = {}

local function exists(file)
    local ok, err, code = os.rename(file, file)
    if not ok then
        if code == 13 then -- Permission denied, but it exists
            return true
        end
    end
    return ok, err
end
local function useNewLoadfile()
    for _, c in pairs(mp.get_property_native("command-list")) do
        if c["name"] == "loadfile" then
            for _, a in pairs(c["args"]) do
                if a["name"] == "index" then
                    return true
                end
            end
        end
    end
end
--from ytdl_hook
local function time_to_secs(time_string)
    local ret
    local a, b, c = time_string:match("(%d+):(%d%d?):(%d%d)")
    if a ~= nil then
        ret = (a * 3600 + b * 60 + c)
    else
        a, b = time_string:match("(%d%d?):(%d%d)")
        if a ~= nil then
            ret = (a * 60 + b)
        end
    end
    return ret
end
local function extract_chapters(data, video_length)
    local ret = {}
    for line in data:gmatch("[^\r\n]+") do
        local time = time_to_secs(line)
        if time and (time < video_length) then
            table.insert(ret, { time = time, title = line })
        end
    end
    table.sort(ret, function(a, b) return a.time < b.time end)
    return ret
end
local function chapters()
    if json.chapters then
        for i = 1, #json.chapters do
            local chapter = json.chapters[i]
            local title = chapter.title or ""
            if title == "" then
                title = string.format('Chapter %02d', i)
            end
            table.insert(chapter_list, { time = chapter.start_time, title = title })
        end
    elseif not (json.description == nil) and not (json.duration == nil) then
        chapter_list = extract_chapters(json.description, json.duration)
    end
end
--end ytdl_hook
local title = ""
local fVideo = ""
local fAudio = ""
local function load_files(dtitle, destination, audio, wait)
    if wait then
        if exists(destination .. ".mka") then
            print("---wait success: found mka---")
            audio = "audio-file=" .. destination .. '.mka,'
        else
            print("---could not find mka after wait, audio may be missing---")
        end
    end
    -- if audio ~= "" then
    --  table.insert(filesToDelete, destination .. ".mka")
    -- end
    -- table.insert(filesToDelete, destination .. ".mkv")
    dtitle = dtitle:gsub("-" .. ("[%w_-]"):rep(11) .. "$", "")
    dtitle = dtitle:gsub("^" .. ("%d"):rep(10) .. "%-", "")
    if useNewLoadfile() then
        mp.commandv("loadfile", destination .. ".mkv", "append", -1,
            audio .. 'force-media-title="' .. dtitle .. '",demuxer-max-back-bytes=1MiB,demuxer-max-bytes=3MiB,ytdl=no')
    else
        mp.commandv("loadfile", destination .. ".mkv", "append",
            audio .. 'force-media-title="' .. dtitle .. '",demuxer-max-back-bytes=1MiB,demuxer-max-bytes=3MiB,ytdl=no')                                                --,sub-file="..destination..".en.vtt") --in case they are not set up to autoload
    end
    mp.commandv("playlist_move", mp.get_property("playlist-count") - 1, nextIndex)
    mp.commandv("playlist_remove", nextIndex + 1)
    caught = true
    title = ""
    -- pop = true
end

local listenID = ""
local function listener(event)
    if not caught and event.prefix == mp.get_script_name() and string.find(event.text, listenID) then
        local destination = string.match(event.text, "%[download%] Destination: (.+).mkv") or
            string.match(event.text, "%[download%] (.+).mkv has already been downloaded")
        -- if destination then print("---"..cachePath) end;
        if destination and string.find(destination, string.gsub(cachePath, '~/', '')) then
            -- print(listenID)
            mp.unregister_event(listener)
            _, title = utils.split_path(destination)
            local audio = ""
            if fAudio == "" then
                load_files(title, destination, audio, false)
            else
                if exists(destination .. ".mka") then
                    audio = "audio-file=" .. destination .. '.mka,'
                    load_files(title, destination, audio, false)
                else
                    print("---expected mka but could not find it, waiting for 2 seconds---")
                    mp.add_timeout(2, function()
                        load_files(title, destination, audio, true)
                    end)
                end
            end
        end
    end
end

--from ytdl_hook
mp.add_hook("on_preloaded", 10, function()
    if string.find(mp.get_property("path"), cachePath) then
        chapters()
        if next(chapter_list) ~= nil then
            mp.set_property_native("chapter-list", chapter_list)
            chapter_list = {}
            json = ""
        end
    end
end)
--end ytdl_hook
function dump(o)
    if type(o) == 'table' then
        local s = '{ '
        for k, v in pairs(o) do
            if type(k) ~= 'number' then k = '"' .. k .. '"' end
            s = s .. '[' .. k .. '] = ' .. dump(v) .. ','
        end
        return s .. '} '
    else
        return tostring(o)
    end
end

local function addOPTS(old)
    for k, v in pairs(additionalOpts) do
        -- print(k)
        if string.find(v, "%s") then
            for l, w in string.gmatch(v, "([-%w]+) (.+)") do
                table.insert(old, l)
                table.insert(old, w)
            end
        else
            table.insert(old, v)
        end
    end
    -- print(dump(old))
    return old
end

local AudioDownloadHandle = {}
local VideoDownloadHandle = {}
local JsonDownloadHandle = {}
local function download_files(id, success, result, error)
    if result.killed_by_us then
        return
    end
    local jfile = cachePath .. "/" .. id .. ".json"

    local jfileIO = io.open(jfile, "w")
    jfileIO:write(result.stdout)
    jfileIO:close()
    json = utils.parse_json(result.stdout)
    -- print(dump(json))
    if json.requested_downloads[1].requested_formats ~= nil then
        local args = { ytdl, "--no-continue", "-q", "-f", fAudio, "--restrict-filenames", "--no-playlist", "--no-part",
            "-o", cachePath .. "/" .. id .. "-%(title)s-%(id)s.mka", "--load-info-json", jfile }
        args = addOPTS(args)
        AudioDownloadHandle = mp.command_native_async({
            name = "subprocess",
            args = args,
            playback_only = false
        }, function()
        end)
    else
        fAudio = ""
        fVideo = fVideo:gsub("bestvideo", "best")
        fVideo = fVideo:gsub("bv", "best")
    end

    local args = { ytdl, "--no-continue", "-f", fVideo .. '/best', "--restrict-filenames", "--no-playlist",
        "--no-part", "-o", cachePath .. "/" .. id .. "-%(title)s-%(id)s.mkv", "--load-info-json", jfile }
    args = addOPTS(args)
    VideoDownloadHandle = mp.command_native_async({
        name = "subprocess",
        args = args,
        playback_only = false
    }, function()
    end)
end

local function DL()
    local index = tonumber(mp.get_property("playlist-pos"))
    if mp.get_property("playlist/" .. index .. "/filename"):find("/videos$") and mp.get_property("playlist/" .. index + 1 .. "/filename"):find("/shorts$") then
        return
    end
    if tonumber(mp.get_property("playlist-pos-1")) > 0 and mp.get_property("playlist-pos-1") ~= mp.get_property("playlist-count") then
        nextIndex = index + 1
        local nextFile = mp.get_property("playlist/" .. nextIndex .. "/filename")
        if nextFile and caught and nextFile:find("://", 0, false) then
            caught = false
            mp.enable_messages("info")
            mp.register_event("log-message", listener)
            local ytFormat = mp.get_property("ytdl-format")
            fVideo = string.match(ytFormat, '(.+)%+.+//?') or 'bestvideo'
            fAudio = string.match(ytFormat, '.+%+(.+)//?') or 'bestaudio'
            -- print("start"..nextFile)
            listenID = tostring(os.time())
            local args = { ytdl, "--dump-single-json", "--no-simulate", "--skip-download",
                "--restrict-filenames",
                "--no-playlist", "--sub-lang", "en", "--write-sub", "--no-part", "-o",
                cachePath .. "/" .. listenID .. "-%(title)s-%(id)s.%(ext)s", nextFile }
            args = addOPTS(args)
            -- print(dump(args))
            table.insert(filesToDelete, listenID)
            JsonDownloadHandle = mp.command_native_async({
                name = "subprocess",
                args = args,
                capture_stdout = true,
                capture_stderr = true,
                playback_only = false
            }, function(...)
                download_files(listenID, ...)
            end)
        end
    end
end

local function clearCache()
    -- print(pop)

    --if pop == true then
    mp.abort_async_command(AudioDownloadHandle)
    mp.abort_async_command(VideoDownloadHandle)
    mp.abort_async_command(JsonDownloadHandle)
    -- for k, v in pairs(filesToDelete) do
    --  print("remove: " .. v)
    --  os.remove(v)
    -- end
    local ftd = io.open(cachePath .. "/temp.files", "a")
    for k, v in pairs(filesToDelete) do
        ftd:write(v .. "\n")
        if package.config:sub(1, 1) ~= '/' then
            os.execute('del /Q /F "' .. cachePath .. "\\" .. v .. '*"')
        else
            os.execute('rm -f ' .. cachePath .. "/" .. v .. "*")
        end
    end
    ftd:close()
    print('clear')
    mp.command("quit")
    --end
end
mp.add_hook("on_unload", 50, function()
    -- mp.abort_async_command(AudioDownloadHandle)
    -- mp.abort_async_command(VideoDownloadHandle)
    mp.abort_async_command(JsonDownloadHandle)
    mp.unregister_event(listener)
    caught = true
    listenID = "resetYtdlPreloadListener"
    -- print(listenID)
end)

local skipInitial
mp.observe_property("playlist-count", "number", function()
    if skipInitial then
        DL()
    else
        skipInitial = true
    end
end)

--from ytdl_hook
local platform_is_windows = (package.config:sub(1, 1) == "\\")
local o = {
    exclude = "",
    try_ytdl_first = false,
    use_manifests = false,
    all_formats = false,
    force_all_formats = true,
    ytdl_path = "",
}
local paths_to_search = { "yt-dlp", "yt-dlp_x86", "youtube-dl" }
--local options = require 'mp.options'
options.read_options(o, "ytdl_hook")

local separator = platform_is_windows and ";" or ":"
if o.ytdl_path:match("[^" .. separator .. "]") then
    paths_to_search = {}
    for path in o.ytdl_path:gmatch("[^" .. separator .. "]+") do
        table.insert(paths_to_search, path)
    end
end

local function exec(args)
    local ret = mp.command_native({
        name = "subprocess",
        args = args,
        capture_stdout = true,
        capture_stderr = true
    })
    return ret.status, ret.stdout, ret, ret.killed_by_us
end

local msg = require 'mp.msg'
local command = {}
for _, path in pairs(paths_to_search) do
    -- search for youtube-dl in mpv's config dir
    local exesuf = platform_is_windows and ".exe" or ""
    local ytdl_cmd = mp.find_config_file(path .. exesuf)
    if ytdl_cmd then
        msg.verbose("Found youtube-dl at: " .. ytdl_cmd)
        ytdl = ytdl_cmd
        break
    else
        msg.verbose("No youtube-dl found with path " .. path .. exesuf .. " in config directories")
        --search in PATH
        command[1] = path
        es, json, result, aborted = exec(command)
        if result.error_string == "init" then
            msg.verbose("youtube-dl with path " .. path .. exesuf .. " not found in PATH or not enough permissions")
        else
            msg.verbose("Found youtube-dl with path " .. path .. exesuf .. " in PATH")
            ytdl = path
            break
        end
    end
end
--end ytdl_hook

mp.register_event("start-file", DL)
mp.register_event("shutdown", clearCache)
local ftd = io.open(cachePath .. "/temp.files", "r")
while ftd ~= nil do
    local line = ftd:read()
    if line == nil or line == "" then
        ftd:close()
        io.open(cachePath .. "/temp.files", "w"):close()
        break
    end
    -- print("DEL::"..line)
    if package.config:sub(1, 1) ~= '/' then
        os.execute('del /Q /F "' .. cachePath .. "\\" .. line .. '*" >nul 2>nul')
    else
        os.execute('rm -f ' .. cachePath .. "/" .. line .. "* &> /dev/null")
    end
end
	----------------------
	-- #example ytdl_preload.conf
	-- # make sure lines do not have trailing whitespace
	-- # ytdl_opt has no sanity check and should be formatted exactly how it would appear in yt-dlp CLI, they are split into a key/value pair on whitespace
	-- # at least on Windows, do not escape '\' in temp, just us a single one for each divider

	-- #temp=R:\ytdltest
	-- #ytdl_opt1=-r 50k
	-- #ytdl_opt2=-N 5
	-- #ytdl_opt#=etc
	----------------------
	local nextIndex
	local caught = true
	-- local pop = false
	local ytdl = "yt-dlp"
	local utils = require 'mp.utils'

	local options = require 'mp.options'
	local opts = {
	temp = "R:\\ytdl",
	ytdl_opt1 = "",
	ytdl_opt2 = "",
	ytdl_opt3 = "",
	ytdl_opt4 = "",
	ytdl_opt5 = "",
	ytdl_opt6 = "",
	ytdl_opt7 = "",
	ytdl_opt8 = "",
	ytdl_opt9 = "",
	}
	options.read_options(opts, "ytdl_preload")
	local additionalOpts = {}
	for k, v in pairs(opts) do
	if k:find("ytdl_opt%d") and v ~= "" then
	additionalOpts[k] = v
	-- print("entry")
	-- print(k .. v)
	end
	end
	local cachePath = opts.temp

	local chapter_list = {}
	local json = ""
	local filesToDelete = {}

	local function exists(file)
	local ok, err, code = os.rename(file, file)
	if not ok then
	if code == 13 then -- Permission denied, but it exists
	return true
	end
	end
	return ok, err
	end
	local function useNewLoadfile()
	for _, c in pairs(mp.get_property_native("command-list")) do
	if c["name"] == "loadfile" then
	for _, a in pairs(c["args"]) do
	if a["name"] == "index" then
	return true
	end
	end
	end
	end
	end
	--from ytdl_hook
	local function time_to_secs(time_string)
	local ret
	local a, b, c = time_string:match("(%d+):(%d%d?):(%d%d)")
	if a ~= nil then
	ret = (a * 3600 + b * 60 + c)
	else
	a, b = time_string:match("(%d%d?):(%d%d)")
	if a ~= nil then
	ret = (a * 60 + b)
	end
	end
	return ret
	end
	local function extract_chapters(data, video_length)
	local ret = {}
	for line in data:gmatch("[^\r\n]+") do
	local time = time_to_secs(line)
	if time and (time < video_length) then
	table.insert(ret, { time = time, title = line })
	end
	end
	table.sort(ret, function(a, b) return a.time < b.time end)
	return ret
	end
	local function chapters()
	if json.chapters then
	for i = 1, #json.chapters do
	local chapter = json.chapters[i]
	local title = chapter.title or ""
	if title == "" then
	title = string.format('Chapter %02d', i)
	end
	table.insert(chapter_list, { time = chapter.start_time, title = title })
	end
	elseif not (json.description == nil) and not (json.duration == nil) then
	chapter_list = extract_chapters(json.description, json.duration)
	end
	end
	--end ytdl_hook
	local title = ""
	local fVideo = ""
	local fAudio = ""
	local function load_files(dtitle, destination, audio, wait)
	if wait then
	if exists(destination .. ".mka") then
	print("---wait success: found mka---")
	audio = "audio-file=" .. destination .. '.mka,'
	else
	print("---could not find mka after wait, audio may be missing---")
	end
	end
	-- if audio ~= "" then
	-- table.insert(filesToDelete, destination .. ".mka")
	-- end
	-- table.insert(filesToDelete, destination .. ".mkv")
	dtitle = dtitle:gsub("-" .. ("[%w_-]"):rep(11) .. "$", "")
	dtitle = dtitle:gsub("^" .. ("%d"):rep(10) .. "%-", "")
	if useNewLoadfile() then
	mp.commandv("loadfile", destination .. ".mkv", "append", -1,
	audio .. 'force-media-title="' .. dtitle .. '",demuxer-max-back-bytes=1MiB,demuxer-max-bytes=3MiB,ytdl=no')
	else
	mp.commandv("loadfile", destination .. ".mkv", "append",
	audio .. 'force-media-title="' .. dtitle .. '",demuxer-max-back-bytes=1MiB,demuxer-max-bytes=3MiB,ytdl=no') --,sub-file="..destination..".en.vtt") --in case they are not set up to autoload
	end
	mp.commandv("playlist_move", mp.get_property("playlist-count") - 1, nextIndex)
	mp.commandv("playlist_remove", nextIndex + 1)
	caught = true
	title = ""
	-- pop = true
	end

	local listenID = ""
	local function listener(event)
	if not caught and event.prefix == mp.get_script_name() and string.find(event.text, listenID) then
	local destination = string.match(event.text, "%[download%] Destination: (.+).mkv") or
	string.match(event.text, "%[download%] (.+).mkv has already been downloaded")
	-- if destination then print("---"..cachePath) end;
	if destination and string.find(destination, string.gsub(cachePath, '~/', '')) then
	-- print(listenID)
	mp.unregister_event(listener)
	_, title = utils.split_path(destination)
	local audio = ""
	if fAudio == "" then
	load_files(title, destination, audio, false)
	else
	if exists(destination .. ".mka") then
	audio = "audio-file=" .. destination .. '.mka,'
	load_files(title, destination, audio, false)
	else
	print("---expected mka but could not find it, waiting for 2 seconds---")
	mp.add_timeout(2, function()
	load_files(title, destination, audio, true)
	end)
	end
	end
	end
	end
	end

	--from ytdl_hook
	mp.add_hook("on_preloaded", 10, function()
	if string.find(mp.get_property("path"), cachePath) then
	chapters()
	if next(chapter_list) ~= nil then
	mp.set_property_native("chapter-list", chapter_list)
	chapter_list = {}
	json = ""
	end
	end
	end)
	--end ytdl_hook
	function dump(o)
	if type(o) == 'table' then
	local s = '{ '
	for k, v in pairs(o) do
	if type(k) ~= 'number' then k = '"' .. k .. '"' end
	s = s .. '[' .. k .. '] = ' .. dump(v) .. ','
	end
	return s .. '} '
	else
	return tostring(o)
	end
	end

	local function addOPTS(old)
	for k, v in pairs(additionalOpts) do
	-- print(k)
	if string.find(v, "%s") then
	for l, w in string.gmatch(v, "([-%w]+) (.+)") do
	table.insert(old, l)
	table.insert(old, w)
	end
	else
	table.insert(old, v)
	end
	end
	-- print(dump(old))
	return old
	end

	local AudioDownloadHandle = {}
	local VideoDownloadHandle = {}
	local JsonDownloadHandle = {}
	local function download_files(id, success, result, error)
	if result.killed_by_us then
	return
	end
	local jfile = cachePath .. "/" .. id .. ".json"

	local jfileIO = io.open(jfile, "w")
	jfileIO:write(result.stdout)
	jfileIO:close()
	json = utils.parse_json(result.stdout)
	-- print(dump(json))
	if json.requested_downloads[1].requested_formats ~= nil then
	local args = { ytdl, "--no-continue", "-q", "-f", fAudio, "--restrict-filenames", "--no-playlist", "--no-part",
	"-o", cachePath .. "/" .. id .. "-%(title)s-%(id)s.mka", "--load-info-json", jfile }
	args = addOPTS(args)
	AudioDownloadHandle = mp.command_native_async({
	name = "subprocess",
	args = args,
	playback_only = false
	}, function()
	end)
	else
	fAudio = ""
	fVideo = fVideo:gsub("bestvideo", "best")
	fVideo = fVideo:gsub("bv", "best")
	end

	local args = { ytdl, "--no-continue", "-f", fVideo .. '/best', "--restrict-filenames", "--no-playlist",
	"--no-part", "-o", cachePath .. "/" .. id .. "-%(title)s-%(id)s.mkv", "--load-info-json", jfile }
	args = addOPTS(args)
	VideoDownloadHandle = mp.command_native_async({
	name = "subprocess",
	args = args,
	playback_only = false
	}, function()
	end)
	end

	local function DL()
	local index = tonumber(mp.get_property("playlist-pos"))
	if mp.get_property("playlist/" .. index .. "/filename"):find("/videos$") and mp.get_property("playlist/" .. index + 1 .. "/filename"):find("/shorts$") then
	return
	end
	if tonumber(mp.get_property("playlist-pos-1")) > 0 and mp.get_property("playlist-pos-1") ~= mp.get_property("playlist-count") then
	nextIndex = index + 1
	local nextFile = mp.get_property("playlist/" .. nextIndex .. "/filename")
	if nextFile and caught and nextFile:find("://", 0, false) then
	caught = false
	mp.enable_messages("info")
	mp.register_event("log-message", listener)
	local ytFormat = mp.get_property("ytdl-format")
	fVideo = string.match(ytFormat, '(.+)%+.+//?') or 'bestvideo'
	fAudio = string.match(ytFormat, '.+%+(.+)//?') or 'bestaudio'
	-- print("start"..nextFile)
	listenID = tostring(os.time())
	local args = { ytdl, "--dump-single-json", "--no-simulate", "--skip-download",
	"--restrict-filenames",
	"--no-playlist", "--sub-lang", "en", "--write-sub", "--no-part", "-o",
	cachePath .. "/" .. listenID .. "-%(title)s-%(id)s.%(ext)s", nextFile }
	args = addOPTS(args)
	-- print(dump(args))
	table.insert(filesToDelete, listenID)
	JsonDownloadHandle = mp.command_native_async({
	name = "subprocess",
	args = args,
	capture_stdout = true,
	capture_stderr = true,
	playback_only = false
	}, function(...)
	download_files(listenID, ...)
	end)
	end
	end
	end

	local function clearCache()
	-- print(pop)

	--if pop == true then
	mp.abort_async_command(AudioDownloadHandle)
	mp.abort_async_command(VideoDownloadHandle)
	mp.abort_async_command(JsonDownloadHandle)
	-- for k, v in pairs(filesToDelete) do
	-- print("remove: " .. v)
	-- os.remove(v)
	-- end
	local ftd = io.open(cachePath .. "/temp.files", "a")
	for k, v in pairs(filesToDelete) do
	ftd:write(v .. "\n")
	if package.config:sub(1, 1) ~= '/' then
	os.execute('del /Q /F "' .. cachePath .. "\\" .. v .. '*"')
	else
	os.execute('rm -f ' .. cachePath .. "/" .. v .. "*")
	end
	end
	ftd:close()
	print('clear')
	mp.command("quit")
	--end
	end
	mp.add_hook("on_unload", 50, function()
	-- mp.abort_async_command(AudioDownloadHandle)
	-- mp.abort_async_command(VideoDownloadHandle)
	mp.abort_async_command(JsonDownloadHandle)
	mp.unregister_event(listener)
	caught = true
	listenID = "resetYtdlPreloadListener"
	-- print(listenID)
	end)

	local skipInitial
	mp.observe_property("playlist-count", "number", function()
	if skipInitial then
	DL()
	else
	skipInitial = true
	end
	end)

	--from ytdl_hook
	local platform_is_windows = (package.config:sub(1, 1) == "\\")
	local o = {
	exclude = "",
	try_ytdl_first = false,
	use_manifests = false,
	all_formats = false,
	force_all_formats = true,
	ytdl_path = "",
	}
	local paths_to_search = { "yt-dlp", "yt-dlp_x86", "youtube-dl" }
	--local options = require 'mp.options'
	options.read_options(o, "ytdl_hook")

	local separator = platform_is_windows and ";" or ":"
	if o.ytdl_path:match("[^" .. separator .. "]") then
	paths_to_search = {}
	for path in o.ytdl_path:gmatch("[^" .. separator .. "]+") do
	table.insert(paths_to_search, path)
	end
	end

	local function exec(args)
	local ret = mp.command_native({
	name = "subprocess",
	args = args,
	capture_stdout = true,
	capture_stderr = true
	})
	return ret.status, ret.stdout, ret, ret.killed_by_us
	end

	local msg = require 'mp.msg'
	local command = {}
	for _, path in pairs(paths_to_search) do
	-- search for youtube-dl in mpv's config dir
	local exesuf = platform_is_windows and ".exe" or ""
	local ytdl_cmd = mp.find_config_file(path .. exesuf)
	if ytdl_cmd then
	msg.verbose("Found youtube-dl at: " .. ytdl_cmd)
	ytdl = ytdl_cmd
	break
	else
	msg.verbose("No youtube-dl found with path " .. path .. exesuf .. " in config directories")
	--search in PATH
	command[1] = path
	es, json, result, aborted = exec(command)
	if result.error_string == "init" then
	msg.verbose("youtube-dl with path " .. path .. exesuf .. " not found in PATH or not enough permissions")
	else
	msg.verbose("Found youtube-dl with path " .. path .. exesuf .. " in PATH")
	ytdl = path
	break
	end
	end
	end
	--end ytdl_hook

	mp.register_event("start-file", DL)
	mp.register_event("shutdown", clearCache)
	local ftd = io.open(cachePath .. "/temp.files", "r")
	while ftd ~= nil do
	local line = ftd:read()
	if line == nil or line == "" then
	ftd:close()
	io.open(cachePath .. "/temp.files", "w"):close()
	break
	end
	-- print("DEL::"..line)
	if package.config:sub(1, 1) ~= '/' then
	os.execute('del /Q /F "' .. cachePath .. "\\" .. line .. '*" >nul 2>nul')
	else
	os.execute('rm -f ' .. cachePath .. "/" .. line .. "* &> /dev/null")
	end
	end