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Diffstat (limited to '.config/mpv/scripts/autoload.lua')
| -rw-r--r-- | .config/mpv/scripts/autoload.lua | 415 |
1 files changed, 415 insertions, 0 deletions
diff --git a/.config/mpv/scripts/autoload.lua b/.config/mpv/scripts/autoload.lua new file mode 100644 index 0000000..dedfc64 --- /dev/null +++ b/.config/mpv/scripts/autoload.lua @@ -0,0 +1,415 @@ +-- 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=no +images=no +videos=yes +audio=yes +additional_image_exts=list,of,ext +additional_video_exts=list,of,ext +additional_audio_exts=list,of,ext +ignore_hidden=yes +same_type=yes +directory_mode=recursive +ignore_patterns=^~,^bak-,%.bak$ + +--]] + +local MAX_ENTRIES = 5000 +local 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 set +end + +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 a +end + +-- Returns first and last positions in string or past-to-end indices +local function FindOrPastTheEnd(string, pattern, start_at) + local pos1, pos2 = string:find(pattern, start_at) + return pos1 or #string + 1, + pos2 or #string + 1 +end + +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 set +end + +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) end +end + +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) + end +end + +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 + end +end + +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() + end +end) + +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]) + end +end + +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 false +end + +-- 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 filenames +end + +local autoloaded +local 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) + end +end + +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 extentions 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]) + end +end + +mp.register_event("start-file", find_and_add_entries) |