Kacper Michajłowvarious: fix typos59d1dc41 year agoHistory
415 lines · 12.2 KB · Lua
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-- This script automatically loads playlist entries before and after 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 it would add an already existing-- playlist entry at the same position - this makes it "stable".)-- Add at most 5000 * 2 files when starting a file (before + after). --[[To configure this script use file autoload.conf in directory script-opts (the "script-opts"directory must be in the mpv configuration directory, typically ~/.config/mpv/). Option `ignore_patterns` is a comma-separated list of patterns (see lua.org/pil/20.2.html).Additionally to the standard lua patterns, you can also escape commas with `%`,for example, the option `bak%,x%,,another` will be resolved as patterns `bak,x,` and `another`.But it does not mean you need to escape all lua patterns twice,so the option `bak%%,%.mp4,` will be resolved as two patterns `bak%%` and `%.mp4`. Example configuration would be: disabled=noimages=novideos=yesaudio=yesadditional_image_exts=list,of,extadditional_video_exts=list,of,extadditional_audio_exts=list,of,extignore_hidden=yessame_type=yesdirectory_mode=recursiveignore_patterns=^~,^bak-,%.bak$ --]] local MAX_ENTRIES = 5000local MAX_DIR_STACK = 20 local msg = require 'mp.msg'local options = require 'mp.options'local utils = require 'mp.utils' local o = {    disabled = false,    images = true,    videos = true,    audio = true,    additional_image_exts = "",    additional_video_exts = "",    additional_audio_exts = "",    ignore_hidden = true,    same_type = false,    directory_mode = "auto",    ignore_patterns = ""} local function Set(t)    local set = {}    for _, v in pairs(t) do set[v] = true end    return setend local EXTENSIONS_VIDEO_DEFAULT = Set {    '3g2', '3gp', 'avi', 'flv', 'm2ts', 'm4v', 'mj2', 'mkv', 'mov',    'mp4', 'mpeg', 'mpg', 'ogv', 'rmvb', 'webm', 'wmv', 'y4m'} local EXTENSIONS_AUDIO_DEFAULT = Set {    'aiff', 'ape', 'au', 'flac', 'm4a', 'mka', 'mp3', 'oga', 'ogg',    'ogm', 'opus', 'wav', 'wma'} local EXTENSIONS_IMAGES_DEFAULT = Set {    'avif', 'bmp', 'gif', 'j2k', 'jp2', 'jpeg', 'jpg', 'jxl', 'png',    'svg', 'tga', 'tif', 'tiff', 'webp'} local EXTENSIONS, EXTENSIONS_VIDEO, EXTENSIONS_AUDIO, EXTENSIONS_IMAGES local function SetUnion(a, b)    for k in pairs(b) do a[k] = true end    return aend -- Returns first and last positions in string or past-to-end indiceslocal function FindOrPastTheEnd(string, pattern, start_at)    local pos1, pos2 = string:find(pattern, start_at)    return pos1 or #string + 1,           pos2 or #string + 1end local function Split(list)    local set = {}     local item_pos = 1    local item = ""     while item_pos <= #list do        local pos1, pos2 = FindOrPastTheEnd(list, "%%*,", item_pos)         local pattern_length = pos2 - pos1        local is_comma_escaped = pattern_length % 2         local pos_before_escape = pos1 - 1        local item_escape_count = pattern_length - is_comma_escaped         item = item .. string.sub(list, item_pos, pos_before_escape + item_escape_count)         if is_comma_escaped == 1 then            item = item .. ","        else            set[item] = true            item = ""        end         item_pos = pos2 + 1    end     set[item] = true     -- exclude empty items    set[""] = nil     return setend local function split_option_exts(video, audio, image)    if video then o.additional_video_exts = Split(o.additional_video_exts) end    if audio then o.additional_audio_exts = Split(o.additional_audio_exts) end    if image then o.additional_image_exts = Split(o.additional_image_exts) endend local function split_patterns()    o.ignore_patterns = Split(o.ignore_patterns)end local function create_extensions()    EXTENSIONS = {}    EXTENSIONS_VIDEO = {}    EXTENSIONS_AUDIO = {}    EXTENSIONS_IMAGES = {}    if o.videos then        SetUnion(SetUnion(EXTENSIONS_VIDEO, EXTENSIONS_VIDEO_DEFAULT), o.additional_video_exts)        SetUnion(EXTENSIONS, EXTENSIONS_VIDEO)    end    if o.audio then        SetUnion(SetUnion(EXTENSIONS_AUDIO, EXTENSIONS_AUDIO_DEFAULT), o.additional_audio_exts)        SetUnion(EXTENSIONS, EXTENSIONS_AUDIO)    end    if o.images then        SetUnion(SetUnion(EXTENSIONS_IMAGES, EXTENSIONS_IMAGES_DEFAULT), o.additional_image_exts)        SetUnion(EXTENSIONS, EXTENSIONS_IMAGES)    endend local function validate_directory_mode()    if o.directory_mode ~= "recursive" and o.directory_mode ~= "lazy"       and o.directory_mode ~= "ignore" then        o.directory_mode = nil    endend options.read_options(o, nil, function(list)    split_option_exts(list.additional_video_exts, list.additional_audio_exts,                      list.additional_image_exts)    if list.videos or list.additional_video_exts or        list.audio or list.additional_audio_exts or        list.images or list.additional_image_exts then        create_extensions()    end    if list.directory_mode then        validate_directory_mode()    end    if list.ignore_patterns then        split_patterns()    endend) split_option_exts(true, true, true)split_patterns()create_extensions()validate_directory_mode() local function add_files(files)    local oldcount = mp.get_property_number("playlist-count", 1)    for i = 1, #files do        mp.commandv("loadfile", files[i][1], "append")        mp.commandv("playlist-move", oldcount + i - 1, files[i][2])    endend local function get_extension(path)    return path:match("%.([^%.]+)$") or "nomatch"end local function is_ignored(file)    for pattern in pairs(o.ignore_patterns) do        if file:match(pattern) then            return true        end    end    return falseend -- alphanum sorting for humans in Lua-- http://notebook.kulchenko.com/algorithms/alphanumeric-natural-sorting-for-humans-in-lua local function alphanumsort(filenames)    local function padnum(n, d)        return #d > 0 and ("%03d%s%.12f"):format(#n, n, tonumber(d) / (10 ^ #d))            or ("%03d%s"):format(#n, n)    end     local tuples = {}    for i, f in ipairs(filenames) do        tuples[i] = {f:lower():gsub("0*(%d+)%.?(%d*)", padnum), f}    end    table.sort(tuples, function(a, b)        return a[1] == b[1] and #b[2] < #a[2] or a[1] < b[1]    end)    for i, tuple in ipairs(tuples) do filenames[i] = tuple[2] end    return filenamesend local autoloadedlocal added_entries = {}local autoloaded_dir local function scan_dir(path, current_file, dir_mode, separator, dir_depth, total_files, extensions)    if dir_depth == MAX_DIR_STACK then        return    end    msg.trace("scanning: " .. path)    local files = utils.readdir(path, "files") or {}    local dirs = dir_mode ~= "ignore" and utils.readdir(path, "dirs") or {}    local prefix = path == "." and "" or path     local function filter(t, iter)        for i = #t, 1, -1 do            if not iter(t[i]) then                table.remove(t, i)            end        end    end     filter(files, function(v)        -- Always accept current file        local current = prefix .. v == current_file        if current then            return true        end        if o.ignore_hidden and v:match("^%.") then            return false        end        if is_ignored(v) then            return false        end         local ext = get_extension(v)        return ext and extensions[ext:lower()]    end)    filter(dirs, function(d)        return not (o.ignore_hidden and d:match("^%."))    end)    alphanumsort(files)    alphanumsort(dirs)     for i, file in ipairs(files) do        files[i] = prefix .. file    end     local function append(t1, t2)        local t1_size = #t1        for i = 1, #t2 do            t1[t1_size + i] = t2[i]        end    end     append(total_files, files)    if dir_mode == "recursive" then        for _, dir in ipairs(dirs) do            scan_dir(prefix .. dir .. separator, current_file, dir_mode,                     separator, dir_depth + 1, total_files, extensions)        end    else        for i, dir in ipairs(dirs) do            dirs[i] = prefix .. dir        end        append(total_files, dirs)    endend local function find_and_add_entries()    local aborted = mp.get_property_native("playback-abort")    if aborted then        msg.debug("stopping: playback aborted")        return    end     local path = mp.get_property("path", "")    local dir, filename = utils.split_path(path)    msg.trace(("dir: %s, filename: %s"):format(dir, filename))    if o.disabled then        msg.debug("stopping: autoload disabled")        return    elseif #dir == 0 then        msg.debug("stopping: not a local path")        return    end     local pl_count = mp.get_property_number("playlist-count", 1)    local this_ext = get_extension(filename)    -- check if this is a manually made playlist    if pl_count > 1 and autoloaded == nil then        msg.debug("stopping: manually made playlist")        return    elseif pl_count == 1 then        autoloaded = true        autoloaded_dir = dir        added_entries = {}    end     local extensions    if o.same_type then        if EXTENSIONS_VIDEO[this_ext:lower()] then            extensions = EXTENSIONS_VIDEO        elseif EXTENSIONS_AUDIO[this_ext:lower()] then            extensions = EXTENSIONS_AUDIO        elseif EXTENSIONS_IMAGES[this_ext:lower()] then            extensions = EXTENSIONS_IMAGES        end    else        extensions = EXTENSIONS    end    if not extensions then        msg.debug("stopping: no matched extensions list")        return    end     local pl = mp.get_property_native("playlist", {})    local pl_current = mp.get_property_number("playlist-pos-1", 1)    msg.trace(("playlist-pos-1: %s, playlist: %s"):format(pl_current,        utils.to_string(pl)))     local files = {}    scan_dir(autoloaded_dir, path,             o.directory_mode or mp.get_property("directory-mode", "lazy"),             mp.get_property_native("platform") == "windows" and "\\" or "/",             0, files, extensions)     if next(files) == nil then        msg.debug("no other files or directories in directory")        return    end     -- Find the current pl entry (dir+"/"+filename) in the sorted dir list    local current    for i = 1, #files do        if files[i] == path then            current = i            break        end    end    if not current then        msg.debug("current file not found in directory")        return    end    msg.trace("current file position in files: "..current)     -- treat already existing playlist entries, independent of how they got added    -- as if they got added by autoload    for _, entry in ipairs(pl) do        added_entries[entry.filename] = true    end     local append = {[-1] = {}, [1] = {}}    for direction = -1, 1, 2 do -- 2 iterations, with direction = -1 and +1        for i = 1, MAX_ENTRIES do            local pos = current + i * direction            local file = files[pos]            if file == nil or file[1] == "." then                break            end             -- skip files that are/were already in the playlist            if not added_entries[file] then                if direction == -1 then                    msg.verbose("Prepending " .. file)                    table.insert(append[-1], 1, {file, pl_current + i * direction + 1})                else                    msg.verbose("Adding " .. file)                    if pl_count > 1 then                        table.insert(append[1], {file, pl_current + i * direction - 1})                    else                        mp.commandv("loadfile", file, "append")                    end                end                added_entries[file] = true            end        end        if pl_count == 1 and direction == -1 and #append[-1] > 0 then            local load = append[-1]            for i = 1, #load do                mp.commandv("loadfile", load[i][1], "append")            end            mp.commandv("playlist-move", 0, current)        end    end     if pl_count > 1 then        add_files(append[1])        add_files(append[-1])    endend mp.register_event("start-file", find_and_add_entries)

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