Initial Commit

1 files changed, 806 insertions, 0 deletions

diff --git a/mpv/scripts/quality-menu.lua b/mpv/scripts/quality-menu.lua
new file mode 100644
index 0000000..c5da0d3
--- /dev/null
+++ b/mpv/scripts/quality-menu.lua
@@ -0,0 +1,806 @@
+-- quality-menu.lua
+--
+-- Change the stream video and audio quality on the fly.
+--
+-- Usage:
+-- add bindings to input.conf:
+-- Ctrl+f   script-message-to quality_menu video_formats_toggle
+-- Alt+f    script-message-to quality_menu audio_formats_toggle
+--
+-- Displays a menu that lets you switch to different ytdl-format settings while
+-- you're in the middle of a video (just like you were using the web player).
+
+local mp = require 'mp'
+local utils = require 'mp.utils'
+local msg = require 'mp.msg'
+local assdraw = require 'mp.assdraw'
+local opt = require('mp.options')
+
+local opts = {
+    --key bindings
+    up_binding = "UP WHEEL_UP",
+    down_binding = "DOWN WHEEL_DOWN",
+    select_binding = "ENTER MBTN_LEFT",
+    close_menu_binding = "ESC MBTN_RIGHT Ctrl+f Alt+f",
+
+    --youtube-dl version(could be youtube-dl or yt-dlp, or something else)
+    ytdl_ver = "yt-dlp",
+
+    --formatting / cursors
+    selected_and_active     = "▶  - ",
+    selected_and_inactive   = "●  - ",
+    unselected_and_active   = "▷ - ",
+    unselected_and_inactive = "○ - ",
+
+    --font size scales by window, if false requires larger font and padding sizes
+    scale_playlist_by_window=true,
+
+    --playlist ass style overrides inside curly brackets, \keyvalue is one field, extra \ for escape in lua
+    --example {\\fnUbuntu\\fs10\\b0\\bord1} equals: font=Ubuntu, size=10, bold=no, border=1
+    --read http://docs.aegisub.org/3.2/ASS_Tags/ for reference of tags
+    --undeclared tags will use default osd settings
+    --these styles will be used for the whole playlist. More specific styling will need to be hacked in
+    --
+    --(a monospaced font is recommended but not required)
+    style_ass_tags = "{\\fnmonospace\\fs10\\bord1}",
+
+    --paddings for top left corner
+    text_padding_x = 5,
+    text_padding_y = 5,
+
+    --how many seconds until the quality menu times out
+    --setting this to 0 deactivates the timeout
+    menu_timeout = 6,
+
+    --use youtube-dl to fetch a list of available formats (overrides quality_strings)
+    fetch_formats = true,
+
+    --default menu entries
+    quality_strings=[[
+    [
+    {"4320p" : "bestvideo[height<=?4320p]+bestaudio/best"},
+    {"2160p" : "bestvideo[height<=?2160]+bestaudio/best"},
+    {"1440p" : "bestvideo[height<=?1440]+bestaudio/best"},
+    {"1080p" : "bestvideo[height<=?1080]+bestaudio/best"},
+    {"720p" : "bestvideo[height<=?720]+bestaudio/best"},
+    {"480p" : "bestvideo[height<=?480]+bestaudio/best"},
+    {"360p" : "bestvideo[height<=?360]+bestaudio/best"},
+    {"240p" : "bestvideo[height<=?240]+bestaudio/best"},
+    {"144p" : "bestvideo[height<=?144]+bestaudio/best"}
+    ]
+    ]],
+
+    --reset ytdl-format to the original format string when changing files (e.g. going to the next playlist entry)
+    --if file was opened previously, reset to previously selected format
+    reset_format = true,
+
+    --automatically fetch available formats when opening an url
+    fetch_on_start = true,
+
+    --show the video format menu after opening an url
+    start_with_menu = false,
+
+    --include unknown formats in the list
+    --Unfortunately choosing which formats are video or audio is not always perfect.
+    --Set to true to make sure you don't miss any formats, but then the list
+    --might also include formats that aren't actually video or audio.
+    --Formats that are known to not be video or audio are still filtered out.
+    include_unknown = false,
+
+    --hide columns that are identical for all formats
+    hide_identical_columns = true,
+
+    --which columns are shown in which order
+    --comma separated list, prefix column with "-" to align left
+    --
+    --columns that might be useful are:
+    --resolution, width, height, fps, dynamic_range, tbr, vbr, abr, asr,
+    --filesize, filesize_approx, vcodec, acodec, ext, video_ext, audio_ext,
+    --language, format, format_note, quality
+    --
+    --columns that are derived from the above, but with special treatment:
+    --frame_rate, bitrate_total, bitrate_video, bitrate_audio,
+    --codec_video, codec_audio, audio_sample_rate
+    --
+    --If those still aren't enough or you're just curious, run:
+    --yt-dlp -j <url>
+    --This outputs unformatted JSON.
+    --Format it and look under "formats" to see what's available.
+    --
+    --Not all videos have all columns available.
+    --Be careful, misspelled columns simply won't be displayed, there is no error.
+    columns_video = '-resolution,frame_rate,dynamic_range,language,bitrate_total,size,-codec_video,-codec_audio',
+    columns_audio = 'audio_sample_rate,bitrate_total,size,language,-codec_audio',
+
+    --columns used for sorting, see "columns_video" for available columns
+    --comma separated list, prefix column with "-" to reverse sorting order
+    --Leaving this empty keeps the order from yt-dlp/youtube-dl.
+    --Be careful, misspelled columns won't result in an error,
+    --but they might influence the result.
+    sort_video = 'height,fps,tbr,size,format_id',
+    sort_audio = 'asr,tbr,size,format_id',
+}
+opt.read_options(opts, "quality-menu")
+opts.quality_strings = utils.parse_json(opts.quality_strings)
+
+-- special thanks to reload.lua (https://github.com/4e6/mpv-reload/)
+local function reload_resume()
+    local playlist_pos = mp.get_property_number("playlist-pos")
+    local reload_duration = mp.get_property_native("duration")
+    local time_pos = mp.get_property("time-pos")
+
+    mp.set_property_number("playlist-pos", playlist_pos)
+
+    -- Tries to determine live stream vs. pre-recorded VOD. VOD has non-zero
+    -- duration property. When reloading VOD, to keep the current time position
+    -- we should provide offset from the start. Stream doesn't have fixed start.
+    -- Decent choice would be to reload stream from it's current 'live' position.
+    -- That's the reason we don't pass the offset when reloading streams.
+    if reload_duration and reload_duration > 0 then
+        local function seeker()
+            mp.commandv("seek", time_pos, "absolute")
+            mp.unregister_event(seeker)
+        end
+        mp.register_event("file-loaded", seeker)
+    end
+end
+
+local ytdl = {
+    path = opts.ytdl_ver,
+    searched = false,
+    blacklisted = {}
+}
+
+local function process_json(json)
+    local function is_video(format)
+        -- "none" means it is not a video
+        -- nil means it is unknown
+        return (opts.include_unknown or format.vcodec) and format.vcodec ~= "none"
+    end
+
+    local function is_audio(format)
+        return (opts.include_unknown or format.acodec) and format.acodec ~= "none"
+    end
+
+    local vfmt = nil
+    local afmt = nil
+    local requested_formats = json["requested_formats"] or json["requested_downloads"]
+    for _, format in ipairs(requested_formats) do
+        if is_video(format) then
+            vfmt = format["format_id"]
+        elseif is_audio(format) then
+            afmt = format["format_id"]
+        end
+    end
+
+    local video_formats = {}
+    local audio_formats = {}
+    local all_formats = {}
+    for i = #json.formats, 1, -1 do
+        local format = json.formats[i]
+        if is_video(format) then
+            video_formats[#video_formats+1] = format
+            all_formats[#all_formats+1] = format
+        elseif is_audio(format) then
+            audio_formats[#audio_formats+1] = format
+            all_formats[#all_formats+1] = format
+        end
+    end
+
+    local function populate_special_fields(format)
+        format.size = format.filesize or format.filesize_approx
+        format.frame_rate = format.fps
+        format.bitrate_total = format.tbr
+        format.bitrate_video = format.vbr
+        format.bitrate_audio = format.abr
+        format.codec_video = format.vcodec
+        format.codec_audio = format.acodec
+        format.audio_sample_rate = format.asr
+    end
+
+    for _,format in ipairs(all_formats) do
+        populate_special_fields(format)
+    end
+
+    local function strip_minus(list)
+        local stripped_list = {}
+        local had_minus = {}
+        for i, val in ipairs(list) do
+            if string.sub(val, 1, 1) == "-" then
+                val = string.sub(val, 2)
+                had_minus[val] = true
+            end
+            stripped_list[i] = val
+        end
+        return stripped_list, had_minus
+    end
+
+    local function string_split (inputstr, sep)
+        if sep == nil then
+            sep = "%s"
+        end
+        local t={}
+        for str in string.gmatch(inputstr, "([^"..sep.."]+)") do
+            table.insert(t, str)
+        end
+        return t
+    end
+
+    local sort_video, reverse_video = strip_minus(string_split(opts.sort_video, ','))
+    local sort_audio, reverse_audio = strip_minus(string_split(opts.sort_audio, ','))
+
+    local function comp(properties, reverse)
+        return function (a, b)
+            for _,prop in ipairs(properties) do
+                local a_val = a[prop]
+                local b_val = b[prop]
+                if a_val and b_val and type(a_val) ~= 'table' and a_val ~= b_val then
+                    if reverse[prop] then
+                        return a_val < b_val
+                    else
+                        return a_val > b_val
+                    end
+                end
+            end
+            return false
+        end
+    end
+
+    if #sort_video > 0 then
+        table.sort(video_formats, comp(sort_video, reverse_video))
+    end
+    if #sort_audio > 0 then
+        table.sort(audio_formats, comp(sort_audio, reverse_audio))
+    end
+
+    local function scale_filesize(size)
+        if size == nil then
+            return ""
+        end
+        size = tonumber(size)
+
+        local counter = 0
+        while size > 1024 do
+            size = size / 1024
+            counter = counter+1
+        end
+
+        if counter >= 3 then return string.format("%.1fGiB", size)
+        elseif counter >= 2 then return string.format("%.1fMiB", size)
+        elseif counter >= 1 then return string.format("%.1fKiB", size)
+        else return string.format("%.1fB  ", size)
+        end
+    end
+
+    local function scale_bitrate(br)
+        if br == nil then
+            return ""
+        end
+        br = tonumber(br)
+
+        local counter = 0
+        while br > 1000 do
+            br = br / 1000
+            counter = counter+1
+        end
+
+        if counter >= 2 then return string.format("%.1fGbps", br)
+        elseif counter >= 1 then return string.format("%.1fMbps", br)
+        else return string.format("%.1fKbps", br)
+        end
+    end
+
+    local function format_special_fields(format)
+        local size_prefix = not format.filesize and format.filesize_approx and "~" or ""
+        format.size = (size_prefix) .. scale_filesize(format.size)
+        format.frame_rate = format.fps and format.fps.."fps" or ""
+        format.bitrate_total = scale_bitrate(format.tbr)
+        format.bitrate_video = scale_bitrate(format.vbr)
+        format.bitrate_audio = scale_bitrate(format.abr)
+        format.codec_video = format.vcodec == nil and "unknown" or format.vcodec == "none" and "" or format.vcodec
+        format.codec_audio = format.acodec == nil and "unknown" or format.acodec == "none" and "" or format.acodec
+        format.audio_sample_rate = format.asr and tostring(format.asr) .. "Hz" or ""
+    end
+
+    for _,format in ipairs(all_formats) do
+        format_special_fields(format)
+    end
+
+    local function format_table(formats, columns)
+        local function calc_shown_columns()
+            local display_col = {}
+            local column_widths = {}
+            local column_values = {}
+            local columns, column_align_left = strip_minus(columns)
+
+            for _,format in pairs(formats) do
+                for col, prop in ipairs(columns) do
+                    local label = tostring(format[prop] or "")
+                    format[prop] = label
+
+                    if not column_widths[col] or column_widths[col] < label:len() then
+                        column_widths[col] = label:len()
+                    end
+
+                    column_values[col] = column_values[col] or label
+                    display_col[col] = display_col[col] or (column_values[col] ~= label)
+                end
+            end
+
+            local show_columns={}
+            for i, width in ipairs(column_widths) do
+                if width > 0 and not opts.hide_identical_columns or display_col[i] then
+                    local prop = columns[i]
+                    show_columns[#show_columns+1] = {
+                        prop=prop,
+                        width=width,
+                        align_left=column_align_left[prop]
+                    }
+                end
+            end
+            return show_columns
+        end
+
+        local show_columns = calc_shown_columns()
+
+        local spacing = 2
+        local res = {}
+        for _,f in ipairs(formats) do
+            local row = ''
+            for i,column in ipairs(show_columns) do
+                -- lua errors out with width > 99 ("invalid conversion specification")
+                local width = math.min(column.width * (column.align_left and -1 or 1), 99)
+                row = row .. (i > 1 and string.format('%' .. spacing .. 's', '') or '')
+                      .. string.format('%' .. width .. 's', f[column.prop] or "")
+            end
+            res[#res+1] = {label=row, format=f.format_id}
+        end
+        return res
+    end
+
+    local columns_video = string_split(opts.columns_video, ',')
+    local columns_audio = string_split(opts.columns_audio, ',')
+    local vres = format_table(video_formats, columns_video)
+    local ares = format_table(audio_formats, columns_audio)
+    return vres, ares , vfmt, afmt
+end
+
+local function get_url()
+    local path = mp.get_property("path")
+    path = string.gsub(path, "ytdl://", "") -- Strip possible ytdl:// prefix.
+
+    local function is_url(s)
+        -- adapted the regex from https://stackoverflow.com/questions/3809401/what-is-a-good-regular-expression-to-match-a-url
+        return nil ~= string.match(path, "^[%w]-://[-a-zA-Z0-9@:%._\\+~#=]+%.[a-zA-Z0-9()][a-zA-Z0-9()]?[a-zA-Z0-9()]?[a-zA-Z0-9()]?[a-zA-Z0-9()]?[a-zA-Z0-9()]?[-a-zA-Z0-9()@:%_\\+.~#?&/=]*")
+    end
+
+    return is_url(path) and path or nil
+end
+
+local uosc = false
+local url_data={}
+local function process_json_string(url, json)
+    local json, err = utils.parse_json(json)
+
+    if (json == nil) then
+        mp.osd_message("fetching formats failed...", 2)
+        msg.error("failed to parse JSON data: " .. err)
+        return
+    end
+
+    if json.formats == nil then
+        return
+    end
+
+    local vres, ares , vfmt, afmt = process_json(json)
+    url_data[url] = {voptions=vres, aoptions=ares, vfmt=vfmt, afmt=afmt}
+    if uosc and get_url() == url then
+        mp.commandv('script-message-to', 'uosc', 'set', 'vformats', #vres)
+        mp.commandv('script-message-to', 'uosc', 'set', 'aformats', #ares)
+    end
+    return vres, ares , vfmt, afmt
+end
+
+local function download_formats(url)
+
+    mp.osd_message("fetching available formats with youtube-dl...", 60)
+
+    if not (ytdl.searched) then
+        local ytdl_mcd = mp.find_config_file(opts.ytdl_ver)
+        if not (ytdl_mcd == nil) then
+            msg.verbose("found youtube-dl at: " .. ytdl_mcd)
+            ytdl.path = ytdl_mcd
+        end
+        ytdl.searched = true
+    end
+
+    local function exec(args)
+        local res, err = mp.command_native({name = "subprocess", args = args, capture_stdout = true, capture_stderr = true})
+        return res.status, res.stdout, res.stderr
+    end
+
+    local ytdl_format = mp.get_property("ytdl-format")
+    local command = nil
+    if (ytdl_format == nil or ytdl_format == "") then
+        command = {ytdl.path, "--no-warnings", "--no-playlist", "-J", url}
+    else
+        command = {ytdl.path, "--no-warnings", "--no-playlist", "-J", "-f", ytdl_format, url}
+    end
+
+    msg.verbose("calling youtube-dl with command: " .. table.concat(command, " "))
+
+    local es, stdout, stderr = exec(command)
+
+    if (es < 0) or (stdout == nil) or (stdout == "") then
+        mp.osd_message("fetching formats failed...", 2)
+        msg.error("failed to get format list: " .. es)
+        msg.error("stderr: " .. stderr)
+        return
+    end
+
+    msg.verbose("youtube-dl succeeded!")
+    mp.osd_message("", 0)
+
+    local vres, ares , vfmt, afmt = process_json_string(url, stdout)
+    return vres, ares , vfmt, afmt
+end
+
+local function send_formats_to(type, url, script_name, options, format_id)
+    mp.commandv('script-message-to', script_name, type .. '_formats', url, utils.format_json(options or {}), format_id or '')
+end
+
+local queue_callback_video = {}
+local queue_callback_audio = {}
+local function get_formats()
+
+    local url = get_url()
+    if url == nil then
+        return
+    end
+
+    if url_data[url] then
+        local data = url_data[url]
+        return data.voptions, data.aoptions, data.vfmt, data.afmt, url
+    end
+
+    if opts.fetch_formats == false then
+        local vres = {}
+        for i,v in ipairs(opts.quality_strings) do
+            for k,v2 in pairs(v) do
+                vres[i] = {label = k, format=v2}
+            end
+        end
+        url_data[url] = {voptions=vres, aoptions={}, vfmt=nil, afmt=nil}
+        return vres, {}, nil, nil, url
+    end
+
+    local vres, ares , vfmt, afmt = download_formats(url)
+
+    for _, script_name in ipairs(queue_callback_video[url] or {}) do
+        send_formats_to('video', url, script_name, vres, vfmt)
+    end
+    for _, script_name in ipairs(queue_callback_audio[url] or {}) do
+        send_formats_to('audio', url, script_name, ares, afmt)
+    end
+
+    queue_callback_video[url] = nil
+    queue_callback_audio[url] = nil
+    return vres, ares , vfmt, afmt, url
+end
+
+local function format_string(vfmt, afmt)
+    if vfmt and afmt then
+        return vfmt.."+"..afmt
+    elseif vfmt then
+        return vfmt
+    elseif afmt then
+        return afmt
+    else
+        return ""
+    end
+end
+
+local function set_format(url, vfmt, afmt)
+    if (url_data[url].vfmt ~= vfmt or url_data[url].afmt ~= afmt) then
+        url_data[url].afmt = afmt
+        url_data[url].vfmt = vfmt
+        if url == mp.get_property("path") then
+            mp.set_property("ytdl-format", format_string(vfmt, afmt))
+            reload_resume()
+        end
+    end
+end
+
+local destroyer = nil
+local function show_menu(isvideo)
+
+    if destroyer then
+        destroyer()
+    end
+
+    local voptions, aoptions, vfmt, afmt, url = get_formats()
+
+    local options
+    local fmt
+    if isvideo then
+        options = voptions
+        fmt = vfmt
+    else
+        options = aoptions
+        fmt = afmt
+    end
+
+    if options == nil then
+        if uosc then
+            if isvideo then
+                mp.commandv('script-binding', 'uosc/video')
+            else
+                mp.commandv('script-binding', 'uosc/audio')
+            end
+        end
+
+        return
+    end
+
+    msg.verbose("current ytdl-format: "..format_string(vfmt, afmt))
+
+    local active = 0
+    local selected = 1
+    --set the cursor to the current format
+    if fmt then
+        for i,v in ipairs(options) do
+            if v.format == fmt then
+                active = i
+                selected = active
+                break
+            end
+        end
+    else
+        active = #options + 1
+        selected = active
+    end
+
+    if uosc then
+        local menu = {
+            title =  isvideo and 'Video Formats' or 'Audio Formats',
+            items = {},
+            type = (isvideo and 'video' or 'audio') .. '_formats',
+        }
+        for i, option in ipairs(options) do
+            menu.items[i] = {
+                title = option.label,
+                active = i == active,
+                value = {
+                    'script-message-to',
+                    'quality_menu',
+                    (isvideo and 'video' or 'audio') .. '-format-set',
+                    url,
+                    option.format}
+            }
+        end
+        menu.items[#menu.items + 1] = {
+            title = 'None',
+            value = {
+                'script-message-to',
+                'quality_menu',
+                (isvideo and 'video' or 'audio') .. '-format-set',
+                url}
+        }
+        local json = utils.format_json(menu)
+        mp.commandv('script-message-to', 'uosc', 'open-menu', json)
+        return
+    end
+
+    local function choose_prefix(i)
+        if     i == selected and i == active then return opts.selected_and_active
+        elseif i == selected then return opts.selected_and_inactive end
+
+        if     i ~= selected and i == active then return opts.unselected_and_active
+        elseif i ~= selected then return opts.unselected_and_inactive end
+        return "> " --shouldn't get here.
+    end
+
+    local function draw_menu()
+        local ass = assdraw.ass_new()
+
+        ass:pos(opts.text_padding_x, opts.text_padding_y)
+        ass:append(opts.style_ass_tags)
+
+        if #options > 0 then
+            for i,v in ipairs(options) do
+                ass:append(choose_prefix(i)..v.label.."\\N")
+            end
+            ass:append(choose_prefix(#options+1).."None")
+        else
+            ass:append("no formats found")
+        end
+
+        local w, h = mp.get_osd_size()
+        if opts.scale_playlist_by_window then w,h = 0, 0 end
+        mp.set_osd_ass(w, h, ass.text)
+    end
+
+    local num_options = #options + 1
+    local timeout = nil
+
+    local function selected_move(amt)
+        selected = selected + amt
+        if selected < 1 then selected = num_options
+        elseif selected > num_options then selected = 1 end
+        if timeout then
+            timeout:kill()
+            timeout:resume()
+        end
+        draw_menu()
+    end
+
+    local function bind_keys(keys, name, func, opts)
+        if not keys then
+          mp.add_forced_key_binding(keys, name, func, opts)
+          return
+        end
+        local i = 1
+        for key in keys:gmatch("[^%s]+") do
+          local prefix = i == 1 and '' or i
+          mp.add_forced_key_binding(key, name..prefix, func, opts)
+          i = i + 1
+        end
+    end
+
+    local function unbind_keys(keys, name)
+        if not keys then
+          mp.remove_key_binding(name)
+          return
+        end
+        local i = 1
+        for key in keys:gmatch("[^%s]+") do
+          local prefix = i == 1 and '' or i
+          mp.remove_key_binding(name..prefix)
+          i = i + 1
+        end
+    end
+
+    local function destroy()
+        if timeout then
+            timeout:kill()
+        end
+        mp.set_osd_ass(0,0,"")
+        unbind_keys(opts.up_binding, "move_up")
+        unbind_keys(opts.down_binding, "move_down")
+        unbind_keys(opts.select_binding, "select")
+        unbind_keys(opts.close_menu_binding, "close")
+        destroyer = nil
+    end
+
+    if opts.menu_timeout > 0 then
+        timeout = mp.add_periodic_timer(opts.menu_timeout, destroy)
+    end
+    destroyer = destroy
+
+    bind_keys(opts.up_binding,     "move_up",   function() selected_move(-1) end, {repeatable=true})
+    bind_keys(opts.down_binding,   "move_down", function() selected_move(1)  end, {repeatable=true})
+    if #options > 0 then
+        bind_keys(opts.select_binding, "select", function()
+            destroy()
+            if selected == active then return end
+
+            fmt = options[selected] and options[selected].format or nil
+            if isvideo then
+                vfmt = fmt
+            else
+                afmt = fmt
+            end
+            set_format(url, vfmt, afmt)
+        end)
+    end
+    bind_keys(opts.close_menu_binding, "close", destroy)    --close menu using ESC
+    mp.osd_message("", 0)
+    draw_menu()
+end
+
+local ui_callback = {}
+
+local function video_formats_toggle()
+    if #ui_callback > 0 then
+        for _, name in ipairs(ui_callback) do
+            mp.commandv('script-message-to', name, 'video-formats-menu')
+        end
+    else
+        show_menu(true)
+    end
+end
+
+local function audio_formats_toggle()
+    if #ui_callback > 0 then
+        for _, name in ipairs(ui_callback) do
+            mp.commandv('script-message-to', name, 'audio-formats-menu')
+        end
+    else
+        show_menu(false)
+    end
+end
+
+-- keybind to launch menu
+mp.add_key_binding(nil, "video_formats_toggle", video_formats_toggle)
+mp.add_key_binding(nil, "audio_formats_toggle", audio_formats_toggle)
+mp.add_key_binding(nil, "reload", reload_resume)
+
+local original_format = mp.get_property("ytdl-format")
+local path = nil
+local function file_start()
+    local new_path = get_url()
+    if not new_path then return end
+
+    local data = url_data[new_path]
+
+    if uosc then
+        if data then
+            mp.commandv('script-message-to', 'uosc', 'set', 'vformats', #data.voptions)
+            mp.commandv('script-message-to', 'uosc', 'set', 'aformats', #data.aoptions)
+        else
+            mp.commandv('script-message-to', 'uosc', 'set', 'vformats', 0)
+            mp.commandv('script-message-to', 'uosc', 'set', 'aformats', 0)
+        end
+    end
+
+    if opts.reset_format and path and new_path ~= path then
+        if data then
+            msg.verbose("setting previously set format")
+            mp.set_property("ytdl-format", format_string(data.vfmt, data.afmt))
+        else
+            msg.verbose("setting original format")
+            mp.set_property("ytdl-format", original_format)
+        end
+    end
+    if opts.start_with_menu and new_path ~= path then
+        video_formats_toggle()
+    elseif opts.fetch_on_start and not data then
+        download_formats(new_path)
+    end
+    path = new_path
+end
+mp.register_event("start-file", file_start)
+
+mp.register_script_message('video-formats-get', function(url, script_name)
+    local data = url_data[url]
+    if data then
+        send_formats_to('video', url, script_name, data.voptions, data.vfmt)
+    else
+        local queue = queue_callback_video[url] or {}
+        queue[#queue + 1] = script_name
+        queue_callback_video[url] = queue
+        get_formats()
+    end
+end)
+
+mp.register_script_message('audio-formats-get', function(url, script_name)
+    local data = url_data[url]
+    if data then
+        send_formats_to('audio', url, script_name, data.aoptions, data.afmt)
+    else
+        local queue = queue_callback_audio[url] or {}
+        queue[#queue + 1] = script_name
+        queue_callback_audio[url] = queue
+        get_formats()
+    end
+end)
+
+mp.register_script_message('video-format-set', function(url, format_id)
+    set_format(url, format_id, url_data[url].afmt)
+end)
+
+mp.register_script_message('audio-format-set', function(url, format_id)
+    set_format(url, url_data[url].vfmt, format_id)
+end)
+
+mp.register_script_message('register-ui', function(script_name)
+    ui_callback[#ui_callback + 1] = script_name
+end)
+
+-- check if uosc is running
+mp.register_script_message('uosc-version', function(version)
+    version = tonumber((version:gsub('%.', '')))
+---@diagnostic disable-next-line: cast-local-type
+    uosc = version and version >= 400
+end)
+mp.commandv('script-message-to', 'uosc', 'get-version', mp.get_script_name())
\ No newline at end of file