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