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RED (+ NWCD, Orpheus) Upload Assistant

Accurate filling the upload and group edit forms based on foobar2000's playlist selection via pasted output of copy command, release consistency check, two tracklist layouts, basic colours customization, featured artists extraction, image URl fetching from store and more. As alternative to copied playlist, URL to product in supported webstore can be used -- see below for the list.

Version vom 11.09.2019. Aktuellste Version

// ==UserScript==
// @name         RED (+ NWCD, Orpheus) Upload Assistant
// @namespace    https://greasyfork.org/cs/users/321857-anakunda
// @version      1.101
// @description  Accurate filling the upload and group edit forms based on foobar2000's playlist selection via pasted output of copy command, release consistency check, two tracklist layouts, basic colours customization, featured artists extraction, image URl fetching from store and more. As alternative to copied playlist, URL to product in supported webstore can be used -- see below for the list.
// @author       Anakunda
// @iconURL      https://redacted.ch/favicon.ico
// @match        https://redacted.ch/upload.php*
// @match        https://redacted.ch/torrents.php?action=editgroup*
// @match        https://redacted.ch/requests.php?action=new*
// @match        https://notwhat.cd/upload.php*
// @match        https://notwhat.cd/torrents.php?action=editgroup*
// @match        https://notwhat.cd/requests.php?action=new*
// @match        https://orpheus.network/upload.php*
// @match        https://orpheus.network/torrents.php?action=editgroup*
// @match        https://orpheus.network/requests.php?action=new*
// @connect      file://*
// @connect      *
// @grant        GM_xmlhttpRequest
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_deleteValue
// @grant        GM_log
// ==/UserScript==

// The pattern for built-in copy command or custom Text Tools quick copy command, which is handled by this helper is:
//   $fix_eol(%album artist%,)$char(30)$fix_eol(%album%,)$char(30)[$if3(%date%,%ORIGINAL RELEASE DATE%,%year%)]$char(30)[$if3(%releasedate%,%retail date%,%date%,%year%)]$char(30)[$fix_eol($if2(%label%,%publisher%),)]$char(30)[$fix_eol($if3(%catalog%,%CATALOGNUMBER%,%catalog #%,%barcode%,%UPC%,%EAN%),)]$char(30)%__encoding%$char(30)%__codec%$char(30)[%__codec_profile%]$char(30)[%__bitrate%]$char(30)[%__bitspersample%]$char(30)[%__samplerate%]$char(30)[%__channels%]$char(30)[$if3(%media%,%discogs_format%,%source%)]$char(30)[$fix_eol(%genre%,)]['; '$fix_eol(%style%,)]$char(30)[$num(%discnumber%,0)]$char(30)[$num(%totaldiscs%,0)]$char(30)[$fix_eol(%discsubtitle%,)]$char(30)[%track number%]$char(30)[$num(%totaltracks%,0)]$char(30)$fix_eol(%title%,)$char(30)[$fix_eol(%track artist%,)]$char(30)[$if($strcmp($fix_eol(%performer%,),$fix_eol(%artist%,)),,$fix_eol(%performer%,))]$char(30)[$fix_eol(%composer%,)]$char(30)[$fix_eol(%conductor%,)]$char(30)[$fix_eol(%remixer%,)]$char(30)[$fix_eol(%compiler%,)]$char(30)[$fix_eol($if2(%producer%,%producedby%),)]$char(30)%length_seconds_fp%$char(30)%length_samples%$char(30)[%replaygain_album_gain%]$char(30)[%album dynamic range%]$char(30)[%__tool%][ | %ENCODER%][ | %ENCODER_OPTIONS%]$char(30)[$fix_eol($if2(%url%,'https://www.discogs.com/release/'%discogs_release_id%),)]$char(30)$directory_path(%path%)$char(30)[$replace($replace($if2(%comment%,%description%),$char(13),$char(29)),$char(10),$char(28))]
//
// Fetch release description from webstore URL, supported
//
// Supported sites for music:
// - qobuz.com
// - highresaudio.com
// - bandcamp.com
// - prestomusic.com
//
// Supported sites for ebooks:
// - martinus.cz, martinus.sk
// - goodreads.com
// - databazeknih.cz
//
// Supported sites for applications:
// - sanet.st

'use strict';

var prefs = {
  set: function(prop, def) { this[prop] = GM_getValue(prop, def) },
  save: function() {
	for (var iter in this) { if (typeof this[iter] != 'function') GM_setValue(iter, this[iter]) }
  },
};
prefs.set('remap_texttools_newlines', 0); // convert underscores to linebreaks (ambiguous)
prefs.set('clean_on_apply', 0); // clean the input box on successfull fill
prefs.set('keep_meaningles_composers', 0); // keep composers from file tags also for non-composer emphasis works
prefs.set('always_hide_dnu_list', 0); // risky!
prefs.set('single_threshold', 8 * 60); // Max length of single in s
prefs.set('EP_threshold', 28 * 60); // Max time of EP in s
prefs.set('auto_preview_cover', 1);
prefs.set('auto_rehost_cover', 1);
// tracklist specific
prefs.set('tracklist_style', 1); // 1: classical, 2: propertional right aligned
prefs.set('max_tracklist_width', 80); // right margin of the right aligned tracklist. should not exceed the group description width on any device
prefs.set('title_separator', '. '); // divisor of track# and title
prefs.set('pad_leader', ' ');
prefs.set('tracklist_head_color', '#4682B4');
prefs.set('tracklist_single_color', '#708080');
// classical tracklist only components colouring
prefs.set('tracklist_discsubtitle_color', '#008B8B');
prefs.set('tracklist_classicalblock_color', 'Olive');
prefs.set('tracklist_tracknumber_color', '#8899AA');
prefs.set('tracklist_artist_color', '#889B2F');
prefs.set('tracklist_composer_color', '#556B2F');
prefs.set('tracklist_duration_color', '#4682B4');

document.head.appendChild(document.createElement('style')).innerHTML = `
.ua-messages { text-indent: -2em; margin-left: 2em; }
.ua-critical { color: red; font-weight: bold; }
.ua-warning { color: #C00000; font-weight: 500; }
.ua-info { color: #0012ff; }
.ua-button { vertical-align: middle; background-color: transparent; }
.ua-input {
  width: 610px; height: 3em;
  margin-top: 8px; margin-bottom: 8px;
  background-color: antiquewhite;
  font-size: small;
}
`;

const isUpload = document.URL.toLowerCase().indexOf('/upload\.php') >= 0;
const isRequest = document.URL.toLowerCase().indexOf('/requests.php?action=new') >= 0;
const isEdit = document.URL.toLowerCase().indexOf('/torrents.php?action=editgroup') >= 0;

var iter, ref, tbl, elem, child, tb, messages = null, domparser = new DOMParser(), dom;

if (isUpload) {
  ref = document.querySelector('form#upload_table > div#dynamic_form');
  if (ref == null) return;
  common1();
  let x = [];
  x.push(document.createElement('tr'));
  x[0].classList.add('ua-button');
  child = document.createElement('input');
  child.id = 'fill-from-text';
  child.value = 'Fill from text (overwrite)';
  child.type = 'button';
  child.style.width = '13em';
  child.onclick = fill_from_text;
  x[0].append(child);
  elem.append(x[0]);
  x.push(document.createElement('tr'));
  x[1].classList.add('ua-button');
  child = document.createElement('input');
  child.id = 'fill-from-text-weak';
  child.value = 'Fill from text (keep values)';
  child.type = 'button';
  child.style.width = '13em';
  child.onclick = fill_from_text;
  x[1].append(child);
  elem.append(x[1]);
  common2();
  ref.parentNode.insertBefore(tbl, ref);
} else if (isEdit) {
  ref = document.querySelector('form.edit_form > div > div > input[type="submit"]');
  if (ref == null) return;
  ref = ref.parentNode;
  ref.parentNode.insertBefore(document.createElement('br'), ref);
  common1();
  child = document.createElement('input');
  child.id = 'append-from-text';
  child.value = 'Fill from text (append)';
  child.type = 'button';
  child.onclick = fill_from_text;
  elem.append(child);
  common2();
  tbl.style.marginBottom = '10px';
  ref.parentNode.insertBefore(tbl, ref);
} else if (isRequest) {
  ref = document.getElementById('categories');
  if (ref == null) return;
  ref = ref.parentNode.parentNode.nextElementSibling;
  ref.parentNode.insertBefore(document.createElement('br'), ref);
  common1();
  child = document.createElement('input');
  child.id = 'fill-from-text-weak';
  child.value = 'Fill from URL';
  child.type = 'button';
  child.onclick = fill_from_text;
  elem.append(child);
  common2();
  child = document.createElement('td');
  child.colSpan = 2;
  child.append(tbl);
  elem = document.createElement('tr');
  elem.append(child);
  ref.parentNode.insertBefore(elem, ref);
}

if ((ref = document.getElementById('image') || document.querySelector('input[name="image"]')) != null) {
  ref.ondblclick = clear0;
  ref.onmousedown = clear1;
  ref.ondrop = clear0;
}

function clear0() { this.value = null }
function clear1(e) { if (e.button == 1) this.value = null }

function common1() {
  tbl = document.createElement('tr');
  tbl.style.backgroundColor = 'darkgoldenrod';
  tbl.style.verticalAlign = 'middle';
  elem = document.createElement('td');
  elem.style.textAlign = 'center';
  child = document.createElement('textarea');
  child.id = 'import_data';
  child.name = 'import_data';
  child.classList.add('ua-input');
  child.spellcheck = false;
  //child.ondblclick = clear0;
  child.onmousedown = clear1;
  child.ondrop = clear0;
  //child.onpaste = fill_from_text;
  elem.append(child);
  tbl.append(elem);
  elem = document.createElement('td');
  elem.style.textAlign = 'center';
}
function common2() {
  tbl.append(elem);
  tb = document.createElement('tbody');
  tb.append(tbl);
  tbl = document.createElement('table');
  tbl.id = 'upload assistant';
  tbl.append(tb);
}

// if (prefs.always_hide_dnu_list && (ref = document.querySelector('div#content > div:first-of-type')) != null) {
//   ref.style.display = 'none'; // Hide DNU list (warning - risky!)
// }

if ((ref = document.getElementById('yadg_input')) != null) ref.ondrop = clear0;

class TagManager extends Array {
  constructor() {
	super();
	this.presubstitutions = [
	  [/\b(?:Singer\/Songwriter)\b/i, 'singer.songwriter'],
	  [/\b(?:Pop\/Rock)\b/i, 'pop.rock'],
	  [/\b(?:Folk\/Rock)\b/i, 'folk.rock'],
	];
	this.substitutions = [
	  [/^Alternative(?:\s+and\s+|\s*[&+]\s*)Indie$/i, 'alternative', 'indie'],
	  [/^Pop(?:\s+and\s+|\s*[&+]\s*)Rock$/i, 'pop', 'rock'],
	  [/^Pop\s*(?:[\-\−\—\–\/]\s*)?Rock$/i, 'pop.rock'],
	  [/^Rock(?:\s+and\s+|\s*[&+]\s*)Pop$/i, 'pop', 'rock'],
	  [/^Rock\s*(?:[\-\−\—\–\/]\s*)?Pop$/i, 'pop.rock'],
	  [/^Alt\.Rock$/i, 'alternative.rock'],
	  [/^AOR$/, 'album.oriented.rock'],
	  [/^Synth[\s\-\−\—\–]+Pop$/i, 'synthpop'],
	  [/^Soul(?:\s+and\s+|\s*[&+]\s*)Funk$/i, 'soul', 'funk'],
	  [/^Funk(?:\s+and\s+|\s*[&+]\s*)Soul$/i, 'soul', 'funk'],
	  [/^World(?:\s+and\s+|\s*[&+]\s*)Country$/i, 'world.music', 'country'],
	  [/^Jazz Fusion\s*&\s*Jazz Rock$/i, 'jazz.fusion', 'jazz.rock'],
	  [/^(?:Singer(?:\s+and\s+|\s*[&+]\s*))?Songwriter$/i, 'singer.songwriter'],
	  [/^(?:R\s*(?:[\'\’\`][Nn](?:\s+|[\'\’\`]\s*)|&\s*)B|RnB)$/i, 'rhytm.and.blues'],
	  [/\b(?:Soundtracks?)$/i, 'score'],
	  [/^(?:Electro)$/i, 'electronic'],
	  [/^(?:Metal)$/i, 'heavy.metal'],
	  [/^(?:NonFiction)$/i, 'non.fiction'],
	  [/^(?:Neo[\s\-\−\—\–]+Classical)$/i, 'neoclassical'],
	  [/^(?:Bluesy[\s\-\−\—\–]+Rock)$/i, 'blues.rock'],
	  [/^(?:Be[\s\-\−\—\–]+Bop)$/i, 'bebop'],
	  [/^(?:Rap)$/i, 'hip.hop'],
	  [/^NeoSoul$/i, 'neo.soul'],
	  [/^NuJazz$/i, 'nu.jazz'],
	  [/^Hardcore$/i, 'hard.core'],
	];
	this.additions = [
	  [/^(?:(?:(?:Be|Post|Neo)[\s\-\−\—\–]*)?Bop|Modal|Fusion|Free[\s\-\−\—\–]+Improvisation|Jazz[\s\-\−\—\–]+Fusion|Big[\s\-\−\—\–]*Band)$/i, 'jazz'],
	  [/^(?:(?:Free|Cool|Avant[\s\-\−\—\–]*Garde|Contemporary|Vocal|Instrumental|Modal|Soul|Smooth|Piano|Latin|Afro[\s\-\−\—\–]*Cuban)[\s\-\−\—\–]+Jazz)$/i, 'jazz'],
	  [/^(?:Opera)$/i, 'classical'],
	  [/\b(?:Chamber[\s\-\−\—\–]+Music)\b/i, 'classical'],
	];
	this.removals = [
	];
  }

  add(...tags) {
	var added = 0;
	for (var tag of tags) {
	  if (typeof tag != 'string') continue;
	  this.presubstitutions.forEach(k => { if (k[0].test(tag)) tag = tag.replace(k[0], k[1]) });
	  tag.split(/\s*[\,\/\;\>\|]+\s*/).forEach(function(tag) {
		tag = tag.normalize("NFD").
		  replace(/[\u0300-\u036f]/g, '').
		  replace(/\(.*?\)|\[.*?\]|\{.*?\}/g, '').
		  trim();
		if (tag.length <= 0 || tag == '?') return null;
		if (this.removals.some(k => k.test(tag))) {
		  addMessage('Warning: bad tag \'' + tag + '\' found', 'ua-warning');
		  return;
		}
		for (var k of this.additions) {
		  if (k[0].test(tag)) added += this.add(...k.slice(1));
		}
		for (k of this.substitutions) {
		  if (k[0].test(tag)) { added += this.add(...k.slice(1)); return; }
		}
		tag = tag.
		  replace(/\bAlt\.(?=\s+)/i, 'Alternative').
		  replace(/^[3-9]0s$/i, '19$0').
		  replace(/^[0-2]0s$/i, '20$0').
		  replace(/\s*(?:[\'\’\`][Nn](?:\s+|[\'\’\`]\s*)|[\&\+]\s*)/, ' and ').
		  replace(/[\s\-\−\—\–\_\.\,\'\`\~]+/g, '.').
		  replace(/[^\w\.]+/g, '').
		  toLowerCase();
		if (tag.length >= 2 && !this.includes(tag)) {
		  this.push(tag);
		  ++added;
		}
	  }.bind(this));
	}
	return added;
  }
  toString() {
	return this.length > 0 ? this.sort().join(', ') : null;
  }
};

function fill_from_text(e) {
  var overwrite = this.id == 'fill-from-text';
  var clipBoard = document.getElementById('import_data');
  if (clipBoard == null) return false;
  //let promise = clientInformation.clipboard.readText().then(text => clipBoard = text);
  //if (typeof clipBoard != 'string') return false;
  var category = document.getElementById('categories');
  var i, matches, rx;
  if ((messages = document.getElementById('UA messages')) != null) messages.parentNode.removeChild(messages);
  if (category == null && document.getElementById('releasetype') != null
	  || category != null && (category.value == 0 || category.value == 'Music')) return fill_from_text_music();
  if (category != null && (category.value == 1 || category.value == 'Applications')) return fill_from_text_apps();
  if (category != null && (category.value == 2 || category.value == 3
	|| category.value == 'E-Books' || category.value == 'Audiobooks')) return fill_from_text_books();
  return category == null ? fill_from_text_apps() || fill_from_text_books() : false;

  function fill_from_text_music() {
	const div = ['—', '⸺', '⸻'];
	const guest_parser = /^(.*?)(?:\s+(?:feat(?:\.|uring)|with)\s+(.*))?$/;
	const artist_parser = /\s*(?:[\,\;\/\|]|(?:&)\s+(?!(?:The|his|Friends)\b))+\s*/i;
	const weak_artist_parser = /\s*[\,\;\/\|]+\s*/;
	const featParsers = [
	  /\s+\(feat(?:\.|uring)\s+([^\(\)]+?)\s*\)/i,
	  /\s+\[feat(?:\.|uring)\s+([^\[\]]+?)\s*\]/i,
	  /\s+feat\.\s+(.*?)\s*$/,
	];
	const doubleParsParsers = [
	  /\(+(\([^\(\)]*\))\)+/,
	  /\[+(\[[^\[\]]*\])\]+/,
	  /\{+(\{[^\{\}]*\})\}+/,
	];
	const releaseTypes = [
	  'Album',
	  'Soundtrack',
	  'EP',
	  'Anthology',
	  'Compilation',
	  'Single',
	  'Live album',
	  'Remix',
	  'Bootleg',
	  'Interview',
	  'Mixtape',
	  'Demo',
	  'Concert Recording',
	  'DJ Mix',
	  'Unknown',
	]

	var track, tracks = [];
	var lines = clipBoard.value.split(/[\r\n]+/);
	if (lines.length == 1 && /^https?:\/\//i.test(lines[0])) {
	  init_from_url_music(lines[0]);
	  return;
	} else for (iter of lines) {
	  if (!iter.trim()) continue; // skip empty lines
	  let metaData = iter.split('\x1E');
	  track = {
		artist: metaData.shift().trim() || undefined,
		album: metaData.shift().trim() || undefined,
		album_year: safeParseYear(metaData.shift()),
		release_date: metaData.shift().trim() || undefined,
		label: metaData.shift().trim() || undefined,
		catalog: metaData.shift().trim() || undefined,
		encoding: metaData.shift().trim() || undefined,
		codec: metaData.shift().trim() || undefined,
		codec_profile: metaData.shift().trim() || undefined,
		bitrate: safeParseInt(metaData.shift()),
		bd: safeParseInt(metaData.shift()),
		sr: safeParseInt(metaData.shift()),
		channels: safeParseInt(metaData.shift()),
		media: metaData.shift().trim() || undefined,
		genre: metaData.shift().trim() || undefined,
		discnumber: safeParseInt(metaData.shift()),
		totaldiscs: safeParseInt(metaData.shift()),
		discsubtitle: metaData.shift().trim() || undefined,
		tracknumber: metaData.shift().trim() || undefined,
		totaltracks: safeParseInt(metaData.shift()),
		title: metaData.shift().trim() || undefined,
		track_artist: metaData.shift().trim() || undefined,
		performer: metaData.shift().trim() || undefined,
		composer: metaData.shift().trim() || undefined,
		conductor: metaData.shift().trim() || undefined,
		remixer: metaData.shift().trim() || undefined,
		compiler: metaData.shift().trim() || undefined,
		producer: metaData.shift().trim() || undefined,
		duration: safeParseFloat(metaData.shift()),
		samples: safeParseInt(metaData.shift()),
		rg: metaData.shift().trim() || undefined,
		dr: metaData.shift().trim() || undefined,
		vendor: metaData.shift().trim() || undefined,
		url: metaData.shift().trim() || undefined,
		dirpath: metaData.shift() || undefined,
		comment: metaData.shift().trim() || undefined,
	  };
	  if (track.comment == '.') track.comment = undefined;
	  if (track.comment) {
		track.comment = track.comment.replace(/\x1D/g, '\r').replace(/\x1C/g, '\n');
		if (prefs.remap_texttools_newlines) track.comment = track.comment.replace(/__/g, '\r\n').replace(/_/g, '\n') // ambiguous
	  }
	  if (track.dr != null) track.dr = parseInt(track.dr); // DR0
	  tracks.push(track);
	}
	function safeParseInt(x) { return typeof x != 'string' ? null : x.length <= 0 ? undefined : parseInt(x) }
	function safeParseFloat(x) { return typeof x != 'string' ? null : x.length <= 0 ? undefined : parseFloat(x) }
	function safeParseYear(x) { return typeof x != 'string' ? null : x.length <= 0 ? undefined : extract_year(x) || NaN }
	var album_artists = [], albums = [], album_years = [], release_dates = [], labels = [], catalogs = [];
	var codecs = [], bds = [], medias = [], genres = [], srs = {}, urls = [], comments = [], track_artists = [];
	var encodings = [], bitrates = [], codec_profiles = [], drs = [], channels = [], rgs = [], dirpaths = [];
	var vendors = [];
	let is_va = false, composer_emphasis = false, is_from_dsd = false, is_classical = false;
	var total_time = 0, release_type = 1, album_bitrate = 0, totaldiscs = 1, artist_counter = 0;
	var edition_title, media, yadg_prefil = '';
	for (iter of tracks) {
	  push_unique(album_artists, 'artist');
	  push_unique(track_artists, 'track_artist');
	  push_unique(albums, 'album');
	  push_unique(album_years, 'album_year');
	  push_unique(release_dates, 'release_date');
	  push_unique(labels, 'label');
	  push_unique(catalogs, 'catalog');
	  push_unique(encodings, 'encoding');
	  push_unique(codecs, 'codec');
	  push_unique(codec_profiles, 'codec_profile');
	  push_unique(bitrates, 'bitrate');
	  push_unique(bds, 'bd');
	  push_unique(channels, 'channels');
	  push_unique(medias, 'media');
	  if (iter.sr) {
		if (typeof srs[iter.sr] != 'number') {
		  srs[iter.sr] = iter.duration;
		} else {
		  srs[iter.sr] += iter.duration;
		}
	  }
	  push_unique(genres, 'genre');
	  push_unique(urls, 'url');
	  push_unique(comments, 'comment');
	  push_unique(rgs, 'rg');
	  push_unique(drs, 'dr');
	  push_unique(vendors, 'vendor');
	  push_unique(dirpaths, 'dirpath');

	  if (iter.discnumber > totaldiscs) totaldiscs = iter.discnumber;
	  total_time += iter.duration || NaN;
	  album_bitrate += (iter.duration || NaN) * iter.bitrate;
	}
	function push_unique(array, prop) {
	  if (iter[prop] !== undefined && iter[prop] !== null && (typeof iter[prop] != 'string' || iter[prop].length > 0)
		  && !array.includes(iter[prop])) array.push(iter[prop]);
	}
	// inconsistent releases not allowed - die
	const requisites = [
	  [album_artists, 'album artists'],
	  [albums, 'album'],
	  [encodings, 'encoding'],
	  [codecs, 'codec'],
	  [codec_profiles, 'codec profile'],
	  [vendors, 'vendor'],
	  [medias, 'media'],
	  [channels, 'channel'],
	];
	for (iter of requisites) {
	  if (iter[0].length > 1) {
		addMessage('FATAL: fuzzy releases aren\'t allowed (' + iter[1] + '): ' + iter[0], 'ua-critical');
		clipBoard.value = null;
		return false;
	  }
	}
	function validatorFunc(arr, validator, str) {
	  if (arr.length <= 0 || !arr.some(validator)) return true;
	  addMessage('FATAL: disallowed ' + str + ' present (' + arr.filter(validator) + ')', 'ua-critical');
	  clipBoard.value = null;
	  return false;
	}
	if (!validatorFunc(bds, (bd) => ![16, 24].includes(bd), 'bit depths')
		|| !validatorFunc(Object.keys(srs), (sr) => sr < 44100 || sr > 192000
						  || sr % 44100 != 0 && sr % 48000 != 0, 'sample rates')) return false;
	for (iter of tracks) {
	  if (iter.duration == undefined) continue;
	  if (!isRequest && (isNaN(iter.duration) || iter.duration <= 0)) {
		addMessage('FATAL: invalid track ' + iter.tracknumber + ' length: ' + iter.duration, 'ua-critical');
		return false;
	  }
	}
	var tags = new TagManager();
	album_bitrate /= total_time;
	if (total_time > 0 && total_time <= prefs.single_threshold && tracks.length < 8) {
	  release_type = 9; // single
	} else if (total_time > 0 && total_time <= prefs.EP_threshold && tracks.length < 16) {
	  release_type = 5; // EP
	}
	if (albums.length == 1 && album_artists.length == 1) {
	  featParsers.slice(0, 2).forEach(function(rx) {
		if ((matches = albums[0].match(rx)) != null) {
		  addMessage('Warning: featured artist(s) in album title (' + albums[0] + ')', 'ua-warning');
		  album_artists[0] += ' feat. ' + matches[1];
		  albums[0] = albums[0].replace(rx, '');
		}
	  });
	}
	// Processing artists: recognition, splitting and feeding to categores
	if (album_artists.length == 1) {
	  if (matches = album_artists[0].match(guest_parser)) {
		let artists = [];
		for (iter = 0; iter < 7; ++iter) artists.push([]);
		const other_artists_parsers = [
		  [/^(.*?)\s+(?:under|(?:conducted) by)\s+(.*)$/, artists[4]],
		  [/^()(.*?)\s+\(conductor\)$/i, artists[4]],
		  //[/^()(.*?)\s+\(.*\)$/i, guests],
		];
		const invalid_artist = /^#?N\/?A$/i;
		const noakas = /\s+aka\s+(.*)/;
		let j;
		if (/^(?:Various(?: Artists?)?|VA)$/.test(matches[1])) {
		  is_va = true;
		} else {
		  j = matches[1].split(artist_parser);
		  (j.every(twoOrMore) ? j : [ matches[0] ]).forEach(function(i) {
			i = guess_other_artists(i);
			if (i.length > 0 && !invalid_artist.test(i) && !artists[0].includesCaseless(i)) artists[0].push(i);
		  });
		  yadg_prefil = matches[1];
		}
		if (!is_va && matches[2]) {
		  artists[1] = matches[2].split(weak_artist_parser);
		  if (!artists[1].every(twoOrMore)) artists[1] = matches[2];
		}
		for (iter of tracks) {
		  add_track_artists('track_artist');
		  add_track_artists('performer');
		  add_other_artists(artists[2], 'remixer');
		  add_other_artists(artists[3], 'composer');
		  add_other_artists(artists[4], 'conductor');
		  add_other_artists(artists[5], 'compiler');
		  add_other_artists(artists[6], 'producer');

		  if (iter.title) {
			if ((matches = iter.title.match(/\(remix(?:ed)? by ([^\(\)]+)\)/i)) != null
				|| (matches = iter.title.match(/\(([^\(\)]+?)(?:[\'\’\`]s)? remix\)/i)) != null
				|| (matches = iter.title.match(/\[remix(?:ed)? by ([^\[\]]+)\]/i)) != null
				|| (matches = iter.title.match(/\[([^\[\]]+?)(?:[\'\’\`]s)? remix\]/i)) != null) {
			  j = matches[1].split(weak_artist_parser);
			  (j.every(twoOrMore) ? j : [ matches[1] ]).forEach(function(k) {
				if (!artists[2].includesCaseless(k)) artists[2].push(k);
			  });
			}
			featParsers.forEach(function(rx) {
			  if ((matches = iter.title.match(rx)) != null) {
				addMessage('Warning: featured artist(s) in track title (#' +
						   iter.tracknumber + ': ' + iter.title + ')', 'ua-warning');
				iter.track_artist = (!is_va & (!iter.track_artist || iter.track_artist.includes(matches[1])) ?
					iter.artist : iter.track_artist) + ' feat. ' + matches[1];
				iter.title = iter.title.replace(rx, '');
				j = matches[1].split(weak_artist_parser);
				(j.every(twoOrMore) ? j : [ matches[1] ]).forEach(function(i) {
				  if (!invalid_artist.test(i) && notInGuestsMain(i)) artists[1].push(i);
				});
			  }
			});
		  }
		} // iterate tracks
		for (iter = 0; iter < Math.round(tracks.length / 2); ++iter) {
		  split_ampersands(0);
		  split_ampersands(1);
		}

		function notInGuestsMain(k) { return !artists[0].includesCaseless(k) && !artists[1].includesCaseless(k) }
		function twoOrMore(artist) { return artist.length >= 2 && !invalid_artist.test(artist) };
		function looksLikeTrueName(artist) {
		  return artist.split(/\s+/).length >= 2 && !/^(?:The|his|Friends)\s+/i.test(artist);
		}
		function add_track_artists(prop) {
		  if (iter[prop] && (matches = iter[prop].match(guest_parser))) {
			j = matches[1].split(weak_artist_parser);
			for (i of j.every(twoOrMore) ? j : [ matches[1] ]) {
			  i = guess_other_artists(i);
			  if (i.length > 0 && !invalid_artist.test(i) && !artists[0].includesCaseless(i)
				  && (is_va || !artists[1].includesCaseless(i))) (is_va ? artists[0] : artists[1]).push(i);
			}
			if (matches[2]) {
			  j = matches[2].split(weak_artist_parser);
			  for (i of j.every(twoOrMore) ? j : [ matches[2] ]) {
				i = i.replace(noakas, '');
				if (!invalid_artist.test(i) && notInGuestsMain(i)) artists[1].push(i);
			  }
			}
		  }
		}
		function add_other_artists(list, prop) {
		  if (!iter[prop]) return;
		  j = iter[prop].split(weak_artist_parser);
		  for (i of j.every(twoOrMore) ? j : [ iter[prop] ]) {
			i = i.replace(noakas, '');
			if (!invalid_artist.test(i) && !list.includesCaseless(i)) list.push(i);
		  }
		}
		function guess_other_artists(name) {
		  other_artists_parsers.forEach(function(it) {
			if (it[0].exec(name) == null) return;
			name = RegExp.$2.replace(noakas, '');
			if (name.length > 0 && !invalid_artist.test(name) && !it[1].includesCaseless(name)) it[1].push(RegExp.$2);
			name = RegExp.$1;
		  });
		  return name.replace(noakas, '');
		}
		function split_ampersands(n) {
		  for (i = artists[n].length; i > 0; --i) {
			j = artists[n][i - 1].split(/\s+&\s+/);
			if (j.length >= 2 && j.every(twoOrMore) && (!j.every(notInGuestsMain) || j.every(looksLikeTrueName))) {
			  artists[n].splice(i - 1, 1, ...j.filter(function(k) {
				return (n == 0 || !artists[n].includesCaseless(k)) && !artists[n].includesCaseless(k);
			  }));
			}
		  }
		}

		if (element_writable(document.getElementById('artist'))) {
		  let artist_index = 0;
		  feed_artist_category(artists[0].filter(k => !artists[4].includesCaseless(k)), 1);
		  feed_artist_category(artists[1].filter(k => !artists[0].includesCaseless(k) && !artists[4].includesCaseless(k)), 2);
		  for (iter = 2; iter < 7; ++iter) feed_artist_category(artists[iter], iter + 1);
		  if (overwrite) while (document.getElementById('artist_' + artist_index) != null) {
			exec(function() { RemoveArtistField() });
		  }

		  function feed_artist_category(list, type) {
			for (iter of list.sort()) {
			  let id = 'artist';
			  if (artist_index > 0) {
				id += '_' + artist_index;
				if (document.getElementById(id) == null) add_artist();
			  }
			  ref = document.getElementById(id);
			  if (ref != null && (overwrite || !ref.value)) {
				ref.value = iter;
				ref.nextElementSibling.value = type;
			  }
			  ++artist_index;
			}
		  }
		}
	  }
	} else if ((ref = element_writable(document.getElementById('artist'))) != null) {
	  while (document.getElementById('artist_1') != null) exec(function() { RemoveArtistField() });
	  ref.value = null;
	}
	if (is_va && release_type == 1) release_type = 7; // compilation
	if (albums.length == 1) {
	  let album = albums[0];
	  rx = /\s+(?:-\s+Single|\[Single\]|\(Single\))$/i;
	  if (rx.test(album)) {
		release_type = 9; // single
		album = album.replace(rx, '');
	  }
	  rx = /\s+(?:(?:-\s+)?EP|\[EP\]|\(EP\))$/;
	  if (rx.test(album)) {
		release_type = 5; // EP
		album = album.replace(rx, '');
	  }
	  rx = /\s+\((?:Live|En\s+directo?|Ao\s+Vivo)\b[^\(\)]*\)$/i;
	  if (rx.test(album) && (release_type == 1 || release_type == 7)) {
		release_type = 11; // live album
		album = album.replace(rx, '');
	  }
	  rx = /\s+\[(?:Live|En\s+directo?|Ao\s+Vivo)\b[^\[\]]*\]$/i;
	  if (rx.test(album) && (release_type == 1 || release_type == 7)) {
		release_type = 11; // live album
		album = album.replace(rx, '');
	  }
	  if (/(?:^Live\s+[aA]t\b|^Directo?\s+[Ee]n\b|\bUnplugged\b|\bAcoustic\s+Stage\b|\s+Live$)/.test(album)
		  && (release_type == 1 || release_type == 7)) release_type = 11; // live album
	  rx = /\b(?:Best [Oo]f|Greatest Hits|Complete\s+(.+?\s+)(?:Albums|Recordings))\b/;
	  if (rx.test(album) && release_type == 1) release_type = 6; // Anthology
	  rx = '\\b(?:Soundtrack|Score|Motion\\s+Picture|Series|Television|Original(?:\\s+\\w+)?\\s+Cast|Music\\s+from|(?:Musique|Bande)\\s+originale)\\b';
	  if (reInParenthesis(rx).test(album) || reInBrackets(rx).test(album)) {
		release_type = 3; // soundtrack
		//album = album.replace(rx, '');
		tags.add('score');
		composer_emphasis = true;
	  }
	  rx = /\s+(?:\([^\(\)]*\bRemix(?:e[ds])?\b[^\(\)]*\)|Remix(?:e[ds])?)$/i;
	  if (rx.test(album)) {
		if (release_type == 1) release_type = 13; // remix
		//album = album.replace(rx, '');
	  }
	  rx = /\s+\[[^\[\]]*\bRemix(?:e[ds])?\b[^\[\]]*\]$/i;
	  if (rx.test(album)) {
		if (release_type == 1) release_type = 13; // remix
		//album = album.replace(rx, '');
	  }
	  rx = /\s+\(([^\(\)]*\b(?:Remaster(?:ed)?\b[^\(\)]*|Reissue|Edition|Version))\)$/i;
	  if (matches = rx.exec(album)) {
		album = album.replace(rx, '');
		edition_title = matches[1];
	  }
	  rx = /\s+\[([^\[\]]*\b(?:Remaster(?:ed)?\b[^\[\]]*|Reissue|Edition|Version))\]$/i;
	  if (matches = rx.exec(album)) {
		album = album.replace(rx, '');
		edition_title = matches[1];
	  }
	  rx = /\s+-\s+([^\[\]\(\)\-\−\—\–]*\b(?:(?:Remaster(?:ed)?|Bonus\s+Track)\b[^\[\]\(\)\-\−\—\–]*|Reissue|Edition|Version))$/i;
	  if (matches = rx.exec(album)) {
		album = album.replace(rx, '');
		edition_title = matches[1];
	  }
	  featParsers.forEach(rx => { if (rx.test(album)) album = album.replace(rx, '') });
	  rx = /\s+(?:\[(?:LP|Vinyl|12"|7")\]|\((?:LP|Vinyl|12"|7")\))$/;
	  if (rx.test(album)) { album = album.replace(rx, ''); media = 'Vinyl'; }
	  rx = /\s+(?:\[SA-?CD\]|\(SA-?CD\))$/;
	  if (rx.test(album)) { album = album.replace(rx, ''); media = 'SACD'; }
	  rx = /\s+(?:\[(?:Blu[\s\-\−\—\–]?Ray|B[DR])\]|\((?:Blu[\s\-\−\—\–]?Ray|B[DR])\))$/;
	  if (rx.test(album)) { album = album.replace(rx, ''); media = 'Blu-Ray'; }
	  rx = /\s+(?:\[DVD(?:-?A)?\]|\(DVD(?:-?A)?\))$/;
	  if (rx.test(album)) { album = album.replace(rx, ''); media = 'DVD'; }
	  if (element_writable(ref = document.getElementById('title') || document.querySelector('input[name="title"]'))) {
		ref.value = album;
	  }
	  if (yadg_prefil) yadg_prefil += ' ';
	  yadg_prefil += album;
	} else if (element_writable(ref = document.getElementById('title'))) ref.value = null;
	if (element_writable(ref = document.getElementById('yadg_input'))) {
	  ref.value = yadg_prefil || null;
	  if (yadg_prefil && (ref = document.getElementById('yadg_submit')) != null && !ref.disabled) ref.click();
	}
	if (element_writable(ref = document.getElementById('year'))) {
	  ref.value = album_years.length == 1 ? album_years[0] : null;
	}
	if (album_years.length > 1) {
	  addMessage('Warning: inconsistent album year accross album: ' + album_years, 'ua-warning');
	}
	if (element_writable(ref = document.getElementById('remaster_year'))
		|| (ref = document.querySelector('input[name="year"]')) != null && !ref.disabled) {
	  if (!isRequest || !ref.value) ref.value = release_dates.length == 1 ? extract_year(release_dates[0]) : null;
	}
	if (release_dates.length > 1) {
	  addMessage('Warning: inconsistent release date accross album: ' + release_dates, 'ua-warning');
	}
	if (element_writable(ref = document.getElementById('remaster_title'))) {
	  ref.value = edition_title || null;
	}
	rx = /\s*[\,\;]\s*/g;
	if (element_writable(ref = document.getElementById('remaster_record_label') || document.querySelector('input[name="recordlabel"]'))) {
	  ref.value = labels.length == 1 ? labels[0].replace(rx, ' / ') : null;
	}
	if (labels.length > 1) addMessage('Warning: inconsistent label accross album: ' + labels, 'ua-warning');
	if (element_writable(ref = document.getElementById('remaster_catalogue_number') || document.querySelector('input[name="cataloguenumber"]'))) {
	  ref.value = catalogs.length >= 1 ? catalogs.map(k => k.replace(rx, ' / ')).join(' / ') : null;
	}
	var br_isSet = (ref = document.getElementById('bitrate')) != null && ref.value;
	if (element_writable(ref = document.getElementById('format'))) {
	  ref.value = codecs.length == 1 ? codecs[0] : null;
	  ref.onchange(); //exec(function() { Format() });
	}
	if (codecs.length == 1 && isRequest) {
	  [
		['MP3', 0],
		['FLAC', 1],
		['AAC', 2],
		['AC3', 3],
		['DTS', 4],
	  ].forEach(function(fmt) {
		if (codecs[0] == fmt[0] && (ref = document.getElementById('format_' + fmt[1])) != null) {
		  ref.checked = true;
		  ref.onchange();
		}
	  });
	}
	var sel;
	if (encodings[0] == 'lossless') {
	  sel = bds.includes(24) ? '24bit Lossless' : 'Lossless';
	} else if (bitrates.length >= 1) {
	  let lame_version = vendors.length > 0 && (matches = vendors[0].match(/^LAME(\d+)\.(\d+)/i)) ?
		  parseInt(matches[1]) * 1000 + parseInt(matches[2]) : undefined;
	  if (codec_profiles.length == 1 && codec_profiles[0] == 'VBR V0') {
		sel = lame_version >= 3094 ? 'V0 (VBR)' : 'APX (VBR)'
	  } else if (codec_profiles.length == 1 && codec_profiles[0] == 'VBR V1') {
		sel = 'V1 (VBR)'
	  } else if (codec_profiles.length == 1 && codec_profiles[0] == 'VBR V2') {
		sel = lame_version >= 3094 ? sel = 'V2 (VBR)' : 'APS (VBR)'
	  } else if (bitrates.length == 1 && [192, 256, 320].includes(Math.round(bitrates[0]))) {
		sel = Math.round(bitrates[0]);
	  } else {
		sel = 'Other';
	  }
	}
	if ((ref = document.getElementById('bitrate')) != null && !ref.disabled && (overwrite || !br_isSet)) {
	  ref.value = sel || null;
	  ref.onchange(); //exec(function() { Bitrate() });
	  if (sel == 'Other' && element_writable(ref = document.getElementById('other_bitrate'))) {
		ref.value = Math.round(bitrates.length == 1 ? bitrates[0] : album_bitrate);
		if ((ref = document.getElementById('vbr')) != null && !ref.disabled) ref.checked = bitrates.length > 1;
	  }
	}
	if (sel && isRequest) {
	  [
		[192, 0],
		['APS (VBR)', 1],
		['V2 (VBR)', 2],
		['V1 (VBR)', 3],
		[256, 4],
		['APX (VBR)', 5],
		['V0 (VBR)', 6],
		[320, 7],
		['Lossless', 8],
		['24bit Lossless', 9],
		['Other', 10],
	  ].forEach(function(br) {
		if (sel == br[0] && (ref = document.getElementById('bitrate_' + br[1])) != null) {
		  ref.checked = true;
		  ref.onchange();
		}
	  });
	}
	if (medias.length >= 1) {
	  sel = undefined;
	  if (/\b(?:WEB|File|Download)\b/i.test(medias[0])) sel = 'WEB';
	  if (/\bCD\b/.test(medias[0])) sel = 'CD';
	  if (/\b(?:SA-?CD|Hybrid)\b/i.test(medias[0])) sel = 'SACD';
	  if (/\b(?:Blu[\-\−\—\–\s]?Ray|BR|BD)\b/i.test(medias[0])) sel = 'Blu-Ray';
	  if (/\bDVD(?:-?A)?\b/.test(medias[0])) sel = 'DVD';
	  if (/\b(?:Vinyl\b|LP\b|12"|7")/i.test(medias[0])) sel = 'Vinyl';
	  media = sel || media;
	}
	if (element_writable(ref = document.getElementById('media'))) ref.value = media || null;
	if (media && isRequest) {
	  [
		['CD', 0],
		['DVD', 1],
		['Vinyl', 2],
		['Soundboard', 3],
		['SACD', 4],
		['DAT', 5],
		['Cassette', 6],
		['WEB', 7],
		['Blu-Ray', 8],
	  ].forEach(function(med) {
		if (media == med[0] && (ref = document.getElementById('media_' + med[1])) != null) {
		  ref.checked = true;
		  ref.onchange();
		}
	  });
	  if (media == 'CD') {
		if ((ref = document.geteElementById('needlog')) != null) {
		  ref.checked = true;
		  ref.onchange();
		  if ((ref = document.geteElementById('minlogscore')) != null) ref.value = 100;
		}
		if ((ref = document.geteElementById('needcue')) != null) {
		  ref.checked = true;
		}
	  }
	}
	if (!media) {
	  if (tracks.every(t => t.bd == 16 && t.sr == 44100 && t.samples > 0 && t.samples % 588 == 0)) {
		addMessage('Info: media not determined - CD estimated', 'ua-info');
	  } else if (tracks.some(t => t.bd > 16 || (t.sr > 0 && t.sr != 44100) || t.samples > 0 && t.samples % 588 != 0)) {
		addMessage('Info: media not determined - NOT CD', 'ua-info');
	  }
	}
	if (media == 'WEB') for (iter of tracks) {
	  if (iter.duration > 29.5 && iter.duration < 30.5)
		addMessage('Warning: track ' + iter.tracknumber + ' possible preview', 'ua-warning');
	}
	if (genres.length >= 1) {
	  genres.forEach(function(genre) {
		if (/\b(?:Classical|Symphony|Symphonic(?:al)?$|Chamber|Choral|Etude|Opera|Duets|Klassik)\b/i.test(genre)
		   && !/\b(?:metal|rock|pop)\b/i.test(genre)) {
		  composer_emphasis = true;
		  is_classical = true
		}
		if (/\b(?:Jazz|Vocal)\b/i.test(genre) && !/\b(?:Nu|Future|Acid)[\s\-\−\—\–]*Jazz\b/i.test(genre)
		   && !/\bElectr(?:o|ic)[\s\-\−\—\–]?Swing\b/i.test(genre)) {
		  composer_emphasis = true;
		}
		if (/\b(?:Soundtracks?|Score|Films?|Games?|Video|Series?|Theatre|Musical)\b/i.test(genre)) {
		  composer_emphasis = true;
		  if (release_type == 1) release_type = 3;
		}
	  	tags.add(genre);
	  });
	  if (genres.length > 1) addMessage('Warning: inconsistent genre accross album: ' + genres, 'ua-warning');
	}
	if (element_writable(ref = document.getElementById('tags'))) ref.value = tags.length >= 1 ? tags.toString() : null;
	if ((ref = document.getElementById('releasetype')) != null && !ref.disabled
		&& (overwrite || !ref.value || ref.value == 0)) ref.value = release_type;

	if (!composer_emphasis && !prefs.keep_meaningles_composers) {
	  document.querySelectorAll('input[name="artists[]"]').forEach(function(i) {
		if (['4', '5'].includes(i.nextElementSibling.value)) i.value = null
	  });
	}
	for (iter of tracks) {
	  doubleParsParsers.forEach(function(rx) {
	  	if (rx.test(iter.title)) {
		  addMessage('Warning: doubled parentheses in track #' + iter.tracknumber +
					 ' title ("' + iter.title + '")', 'ua-warning');
		  //iter.title.replace(rx, RegExp.$1);
		}
	  });
	}
	if (tracks.length > 1 && array_homogenous(tracks.map(k => k.title))) {
	  addMessage('Warning: all tracks having same title: ' + tracks[0].title, 'ua-warning');
	}
	var description;
	if (isUpload) {
	  var ripinfo, dur;
	  const vinyl_test = /^((?:Vinyl|LP) rip by\s+)(.*)$/im;
	  // ============================================= The Playlist =============================================
	  if (tracks.length > 1) {
		gen_full_tracklist();
	  } else { // single
		description = '[align=center]';
		description += isRED() ? '[pad=20|20|20|20]' : '';
		description += '[size=4][b][color=' + prefs.tracklist_artist_color + ']' + album_artists[0] + '[/color][hr]';
		//description += '[color=' + prefs.tracklist_single_color + ']';
		description += tracks[0].title;
		//description += '[/color]'
		description += '[/b]';
		if (tracks[0].composer) {
		  description += '\n[i][color=' + prefs.tracklist_composer_color + '](' + tracks[0].composer + ')[/color][/i]';
		}
		description += '\n\n[color=' + prefs.tracklist_duration_color +'][' +
		  makeTimeString(tracks[0].duration) + '][/color][/size]';
		if (isRED()) description += '[/pad]';
		description += '[/align]';
	  }
	  if (comments.length == 1 && comments[0]) {
		if (matches = comments[0].match(vinyl_test)) {
		  ripinfo = comments[0].slice(matches.index).trim().split(/[\r\n]+/);
		  description = description.concat('\n\n', comments[0].slice(0, matches.index).trim());
		} else {
		  description += '\n\n' + comments[0];
		}
	  }
	  if (element_writable(ref = document.getElementById('album_desc'))) {
		ref.value = description;
		preview(0);
	  }
	  if ((ref = document.getElementById('body')) != null && !ref.disabled) {
		let editioninfo;
		if (edition_title) {
		  editioninfo = '[size=5][b]' + edition_title;
		  if (release_dates.length == 1 && (i = extract_year(release_dates[0]))) editioninfo += ' (' + i + ')';
		  editioninfo = editioninfo.concat('[/b][/size]\n\n');
		} else { editioninfo = '' }
		if (ref.textLength > 0) {
		  ref.value = ref.value.concat('\n\n', editioninfo, description);
		} else {
		  ref.value = editioninfo + description;
		}
		preview(0);
	  }
	  var lineage = '', comment = '', drinfo, srcinfo;
	  if (element_writable(ref = document.getElementById('release_samplerate'))) {
		ref.value = Object.keys(srs).length == 1 ? Math.floor(Object.keys(srs)[0] / 1000) :
		Object.keys(srs).length > 1 ? '999' : null;
	  }
	  if (Object.keys(srs).length > 0) {
		let kHz = Object.keys(srs).sort((a, b) => srs[b] - srs[a]).map(f => f / 1000).join('/').concat('kHz');
		if (bds.some(bd => bd > 16)) {
		  if (drs.length >= 1) drinfo = '[hide=DR' + (drs.length == 1 ? drs[0] : '') + '][pre][/pre]';
		  if (media == 'Vinyl') {
			let hassr = ref == null || Object.keys(srs).length > 1;
			lineage = hassr ? kHz + ' ' : '';
			if (ripinfo) {
			  ripinfo[0] = ripinfo[0].replace(vinyl_test, '$1[color=blue]$2[/color]');
			  if (hassr) { ripinfo[0] = ripinfo[0].replace(/^Vinyl\b/, 'vinyl') }
			  lineage += ripinfo[0] + '\n\n[u]Lineage:[/u]' + ripinfo.slice(1).map(k => '\n' + k).join('');
			} else {
			  lineage += (hassr ? 'Vinyl' : ' vinyl') + ' rip by [color=blue][/color]\n\n[u]Lineage:[/u]';
			}
			if (drs.length >= 1) drinfo += '\n\n[img][/img]\n[img][/img]\n[img][/img][/hide]';
		  } else if (['Blu-Ray', 'DVD', 'SACD'].includes(media)) {
			lineage = ref ? '' : kHz;
			if (channels.length == 1) add_channel_info();
			if (media == 'SACD' || is_from_dsd) {
			  lineage += ' from DSD64 using foobar2000\'s SACD decoder (direct-fp64)';
			  lineage += '\nOutput gain +0dB';
			}
			drinfo += '[/hide]';
			//add_rg_info();
		  } else { // WEB Hi-Res
			if (ref == null || Object.keys(srs).length > 1) lineage = kHz;
			if (channels.length == 1 && channels[0] != 2) add_channel_info();
			add_dr_info();
			//if (lineage.length > 0) add_rg_info();
			if (bds.length > 1) bds.filter(bd => bd != 24).forEach(function(bd) {
			  let hybrid_tracks = tracks.filter(k => k.bd == bd).map(k => k.tracknumber);
			  if (hybrid_tracks.length < 1) return;
			  if (lineage) lineage += '\n';
			  lineage += 'Note: track';
			  if (hybrid_tracks.length > 1) lineage += 's';
			  lineage += ' #' + hybrid_tracks.sort().join(', ') +
				(hybrid_tracks.length > 1 ? ' are' : ' is') + ' ' + bd + 'bit lossless';
			});
			drinfo = Object.keys(srs).length == 1 && Object.keys(srs)[0] == 88200 ? drinfo.concat('[/hide]') : null;
		  }
		} else { // 16bit or lossy
		  if (Object.keys(srs).some(f => f != 44100)) lineage = kHz;
		  if (channels.length == 1 && channels[0] != 2) add_channel_info();
		  //add_dr_info();
		  //if (lineage.length > 0) add_rg_info();
		  if (['AAC', 'Opus', 'Vorbis'].includes(codecs[0]) && vendors[0]) {
			let _encoder_settings = vendors[0];
			if (codecs[0] == 'AAC' && /^qaac\s+[\d\.]+/i.test(vendors[0])) {
			  let enc = [];
			  if (matches = vendors[0].match(/\bqaac\s+([\d\.]+)\b/i)) enc[0] = matches[1];
			  if (matches = vendors[0].match(/\bCoreAudioToolbox\s+([\d\.]+)\b/i)) enc[1] = matches[1];
			  if (matches = vendors[0].match(/\b(AAC-\S+)\s+Encoder\b/i)) enc[2] = matches[1];
			  if (matches = vendors[0].match(/\b([TC]VBR|ABR|CBR)\s+(\S+)\b/)) { enc[3] = matches[1]; enc[4] = matches[2]; }
			  if (matches = vendors[0].match(/\bQuality\s+(\d+)\b/i)) enc[5] = matches[1];
			  _encoder_settings = 'Converted by Apple\'s ' + enc[2] + ' encoder (' + enc[3] + '-' + enc[4] + ')';
			}
			if (lineage) lineage += '\n\n';
			lineage += _encoder_settings;
		  }
		}
	  }
	  function add_dr_info() {
		if (drs.length != 1 || document.getElementById('release_dynamicrange') != null) return false;
		if (lineage.length > 0) lineage += ' | ';
		if (drs[0] < 4) lineage += '[color=red]';
		lineage += 'DR' + drs[0];
		if (drs[0] < 4) lineage += '[/color]';
		return true;
	  }
	  function add_rg_info() {
		if (rgs.length != 1) return false;
		if (lineage.length > 0) lineage += ' | ';
		lineage += 'RG'; //lineage += 'RG ' + rgs[0];
		return true;
	  }
	  function add_channel_info() {
		if (channels.length != 1) return false;
		let chi = getChanString(channels[0]);
		if (lineage.length > 0 && chi.length > 0) lineage += ', ';
		lineage += chi;
		return chi.length > 0;
	  }
	  if (urls.length == 1 && urls[0]) srcinfo = '[url]' + urls[0] + '[/url]';
	  if ((ref = document.getElementById('release_lineage')) != null) {
		if (element_writable(ref)) {
		  if (drinfo) comment = drinfo;
		  if (lineage && srcinfo) lineage += '\n\n';
		  if (srcinfo) lineage += srcinfo;
		  ref.value = lineage;
		  preview(1);
		}
	  } else {
		comment = lineage;
		if (comment && drinfo) comment += '\n\n';
		if (drinfo) comment += drinfo;
		if (comment && srcinfo) comment += '\n\n';
		if (srcinfo) comment += srcinfo;
	  }
	  if (element_writable(ref = document.getElementById('release_desc'))) {
		ref.value = comment;
		if (comment.length > 0) preview(isNWCD() ? 2 : 1);
	  }
	  if (encodings[0] == 'lossless' && codecs[0] == 'FLAC' && bds.includes(24) && dirpaths.length == 1) {
		var uri = new URL(dirpaths[0] + '\\foo_dr.txt');
		GM_xmlhttpRequest({
		  method: 'GET',
		  url: uri.href,
		  responseType: 'blob',
		  onload: function(response) {
			if (response.readyState != 4 || !response.responseText) return;
			var rlsDesc = document.getElementById('release_lineage') || document.getElementById('release_desc');
			if (rlsDesc == null) return;
			var value = rlsDesc.value;
			matches = value.match(/(^\[hide=DR\d*\]\[pre\])\[\/pre\]/im);
			if (matches == null) return;
			var index = matches.index + matches[1].length;
			rlsDesc.value = value.slice(0, index).concat(response.responseText, value.slice(index));
		  }
		});
	  }
	} else if (isRequest) {
	  description = []
	  if (release_dates.length == 1) description.push('Releasing ' + release_dates[0]);
	  if (urls.length == 1) description.push('[url]' + urls[0] + '[/url]');
	  if (catalogs.length == 1 && /^\d{10,}$/.test(catalogs[0])) {
		description.push('[url=https://www.google.com/search?q=' + catalogs[0] + ']Find more stores...[/url]');
	  }
	  if (comments.length == 1) description.push(comments[0]);
	  description = description.join('\n\n');
	  if (description.length > 0 && (ref = document.getElementById('description')) != null) ref.value = description;

	  if ((ref = document.getElementById('amount_box')) != null && !ref.disabled) ref.value = 1;
	  if ((ref = document.getElementById('unit')) != null && !ref.disabled) ref.value = 'gb';
	  exec(function() { Calculate() });
	}
	if (element_writable(document.getElementById('image') || document.querySelector('input[name="image"]'))) {
	  let u = urls[0];
	  if (/^https?:\/\/(\w+\.)?discogs\.com\/release\/[\w\-]+\/?$/i.test(u)) u += '/images';
	  GM_xmlhttpRequest({ method: 'GET', url: u, onload: fetch_image_from_store });
	}
	// 	} else if (element_writable(document.getElementById('image') || document.querySelector('input[name="image"]'))
	// 	  && ((ref = document.getElementById('album_desc')) != null || (ref = document.getElementById('body')) != null)
	// 		&& ref.textLength > 0 && (matches = ref.value.matchAll(/\b(https?\/\/[\w\-\&\_\?\=]+)/i)) != null) {

	if (element_writable(ref = document.getElementById('release_dynamicrange'))) {
	  ref.value = drs.length == 1 ? drs[0] : null;
	}
	if (prefs.clean_on_apply) clipBoard.value = null;
	prefs.save();
	return true;

	function gen_full_tracklist() { // ========================= TACKLIST =========================
	  description = isRED() ? '[pad=5|0|0|0]' : '';
	  description += '[size=4][color=' + prefs.tracklist_head_color + '][b]Tracklisting[/b][/color][/size]';
	  if (isRED()) '[/pad]';
	  let classical_units = new Set();
	  if (is_classical && !tracks.some(k => k.discsubtitle)) {
		for (track of tracks) {
		  if (matches = track.title.match(/^(.+?)\s*:\s+(.*)$/)) {
			classical_units.add(track.classical_unit_title = matches[1]);
			track.classical_title = matches[2];
		  } else {
			track.classical_unit_title = null;
		  }
		}
		for (let unit of classical_units.keys()) {
		  let group_performer = array_homogenous(tracks.filter(k => k.classical_unit_title === unit).map(k => k.track_artist));
		  let group_composer = array_homogenous(tracks.filter(k => k.classical_unit_title === unit).map(k => k.composer));
		  for (track of tracks) {
			if (track.classical_unit_title !== unit) continue;
			if (group_composer) track.classical_unit_composer = track.composer;
			if (group_performer) track.classical_unit_performer = track.track_artist;
		  }
		}
	  }
	  let block = 1, lastdisc, lastsubtitle, lastside, vinyl_trackwidth;
	  let lastwork = classical_units.size > 0 ? null : undefined;
	  description += '\n';
	  let volumes = new Map(tracks.map(k => [k.discnumber, undefined]));
	  volumes.forEach(function(val, key) {
		volumes.set(key, array_homogenous(tracks.filter(k => k.discnumber == key).map(k => k.discsubtitle)));
	  });
	  if (media == 'Vinyl') {
		let max_side_track = undefined;
		rx = /^([A-Z])(\d+)?(\.(\d+))?/i;
		for (iter of tracks) {
		  if (matches = iter.tracknumber.match(rx)) {
			max_side_track = Math.max(parseInt(matches[2]) || 1, max_side_track || 0);
		  }
		}
		if (typeof max_side_track == 'number') {
		  max_side_track = max_side_track.toString().length;
		  vinyl_trackwidth = 1 + max_side_track;
		  for (iter of tracks) {
			if (matches = iter.tracknumber.match(rx)) {
			  iter.tracknumber = matches[1].toUpperCase();
			  if (matches[2]) iter.tracknumber += matches[2].padStart(max_side_track, '0');
			}
		  }
		}
	  }
	  function prologue(prefix, postfix) {
		function block1() {
		  if (block == 3) description += postfix;
		  description += '\n';
		  block = 1;
		}
		function block2() {
		  if (block == 3) description += postfix;
		  description += '\n';
		  block = 2;
		}
		function block3() {
		  if (block == 2) { description += '[hr]' } else { description += '\n' }
		  if (block != 3) description += prefix;
		  block = 3;
		}
		if (totaldiscs > 1 && iter.discnumber != lastdisc) {
		  block1();
		  description += '[size=3][color=' + prefs.tracklist_discsubtitle_color + '][b]Disc ' + iter.discnumber;
		  if (iter.discsubtitle && (!volumes.has(iter.discnumber) || volumes.get(iter.discnumber))) {
			description += ' - ' + iter.discsubtitle;
			lastsubtitle = iter.discsubtitle;
		  }
		  description += '[/b][/color][/size]';
		  lastdisc = iter.discnumber;
		}
		if (iter.discsubtitle != lastsubtitle) {
		  block1();
		  if (iter.discsubtitle) {
			description += '[size=2][color=' + prefs.tracklist_discsubtitle_color + '][b]' +
			  iter.discsubtitle + '[/b][/color][/size]';
		  }
		  lastsubtitle = iter.discsubtitle;
		}
		if (iter.classical_unit_title !== lastwork) {
		  if (iter.classical_unit_composer || iter.classical_unit_title || iter.classical_unit_performer) {
			block2();
			description += '[size=2][color=' + prefs.tracklist_classicalblock_color + '][b]';
			if (iter.classical_unit_composer) description += iter.classical_unit_composer + ': ';
			if (iter.classical_unit_title) description += iter.classical_unit_title;
			description += '[/b]';
			if (iter.classical_unit_performer) description += ' (' + iter.classical_unit_performer + ')';
			description += '[/color][/size]';
		  } else {
			if (block != 2) block1();
		  }
		  lastwork = iter.classical_unit_title;
		}
		block3();
		if (media == 'Vinyl') {
		  let c = iter.tracknumber[0].toUpperCase();
		  if (lastside != undefined && c != lastside) description += '\n';
		  lastside = c;
		}
	  }
	  var varying_composer = !array_homogenous(tracks.map(k => k.composer));
	  for (iter of tracks.sort(function(a, b) {
		var d = a.discnumber - b.discnumber;
		var t = a.tracknumber - b.tracknumber;
		return isNaN(d) || d == 0 ? isNaN(t) ? a.tracknumber.localeCompare(b.tracknumber) : t : d;
	  })) {
		let title = '';
		let ttwidth = vinyl_trackwidth || Math.max((iter.totaltracks || tracks.length).toString().length, 2);
		if (prefs.tracklist_style == 1) {
		  // STYLE 1 ----------------------------------------
		  prologue('[size=2]', '[/size]\n');
		  track = '[b][color=' + prefs.tracklist_tracknumber_color + ']';
		  track += isNaN(parseInt(iter.tracknumber)) ? iter.tracknumber : iter.tracknumber.padStart(ttwidth, '0');
		  track += '[/color][/b]' + prefs.title_separator;
		  if (iter.track_artist && !iter.classical_unit_performer) {
			title = '[color=' + prefs.tracklist_artist_color + ']' + iter.track_artist + '[/color] - ';
		  }
		  title += iter.classical_title || iter.title;
		  if (iter.composer && composer_emphasis && varying_composer && !iter.classical_unit_composer) {
			title = title.concat(' [color=', prefs.tracklist_composer_color, '](', iter.composer, ')[/color]');
		  }
		  description += track + title;
		  if (iter.duration) description += ' [i][color=' + prefs.tracklist_duration_color +'][' +
			makeTimeString(iter.duration) + '][/color][/i]';
		} else if (prefs.tracklist_style == 2) {
		  // STYLE 2 ----------------------------------------
		  prologue('[size=2][pre]', '[/pre][/size]');
		  track = isNaN(parseInt(iter.tracknumber)) ? iter.tracknumber : iter.tracknumber.padStart(ttwidth, '0');
		  track += prefs.title_separator;
		  if (iter.track_artist && !iter.classical_unit_performer) title = iter.track_artist + ' - ';
		  title += iter.classical_title || iter.title;
		  if (iter.composer && composer_emphasis && varying_composer && !iter.classical_unit_composer) {
			title = title.concat(' (', iter.composer, ')');
		  }
		  dur = iter.duration ? '[' + makeTimeString(iter.duration) + ']' : null;
		  let l = 0, j, left, padding, spc;
		  let width = prefs.max_tracklist_width - track.length;
		  if (dur) width -= dur.length + 1;
		  while (title.length > 0) {
			j = width;
			if (title.length > width) {
			  while (j > 0 && title[j] != ' ') { --j }
			  if (j <= 0) j = width;
			}
			left = title.slice(0, j).trim();
			if (++l <= 1) {
			  description += track + left;
			  if (dur) {
				spc = width - left.length;
				padding = (spc < 2 ? ' '.repeat(spc) : ' ' + prefs.pad_leader.repeat(spc - 1)) + ' ';
				description += padding + dur;
			  }
			  width = prefs.max_tracklist_width - track.length - 2;
			} else {
			  description += '\n' + ' '.repeat(track.length) + left;
			}
			title = title.slice(j).trim();
		  }
		}
	  }
	  if (prefs.tracklist_style == 1 && total_time > 0) {
		description += '\n\n' + div[0].repeat(10) + '\n[color=' + prefs.tracklist_duration_color +
		  ']Total time: [i]' + makeTimeString(total_time) + '[/i][/color][/size]';
	  } else if (prefs.tracklist_style == 2) {
		if (total_time > 0) {
		  dur = '[' + makeTimeString(total_time) + ']';
		  description = description.concat('\n\n', div[0].repeat(32).padStart(prefs.max_tracklist_width));
		  description = description.concat('\n', 'Total time:'.padEnd(prefs.max_tracklist_width - dur.length), dur);
		}
		description = description.concat('[/pre][/size]');
	  }
	}

	function getChanString(n) {
	  const chanmap = [
		'mono',
		'stereo',
		'2.1',
		'4.0 surround sound',
		'5.0 surround sound',
		'5.1 surround sound',
		'7.0 surround sound',
		'7.1 surround sound',
	  ];
	  return n >= 1 && n <= 8 ? chanmap[n - 1] : n + 'chn surround sound';
	}

	function init_from_url_music(url) {
	  if (typeof url != 'string') return false;
	  var artist, album, albumYear, remasterYear, channels, label, composer, bd, sr = 44.1,
		  description, compiler, producer, totaltracks, totaldiscs, discsubtitle, discnumber,
		  tracknumber, title, track_artist, duration, catalogue, encoding, format, bitrate;
	  if (url.toLowerCase().indexOf('qobuz.com') >= 0) {
		GM_xmlhttpRequest({ method: 'GET', url: url, onload: function(response) {
		  if (response.readyState != 4 || response.status != 200) return;
		  dom = domparser.parseFromString(response.responseText, "text/html");
		  if (dom == null) return;

		  if ((ref = dom.querySelector('h2.album-meta__artist')) != null) artist = ref.textContent.trim();
		  if ((ref = dom.querySelector('h1.album-meta__title')) != null) album = ref.textContent.trim();
		  ref = dom.querySelector('div.album-meta > ul > li:first-of-type');
		  if (ref != null) {
			remasterYear = extract_year(ref.textContent);
			if (/\b(\d+)[\/\.](\d+)[\/\.](\d{4})\b/.test(ref.textContent)) remasterYear = RegExp.$3 + '-' + RegExp.$2 + '-' + RegExp.$1;
			if (/\b(\d{4})-(\d+)-(\d+)\b/.test(ref.textContent)) remasterYear = RegExp.$1 + '-' + RegExp.$2 + '-' + RegExp.$3;
		  }
		  ref = dom.querySelector('p.album-about__copyright');
		  albumYear = ref != null && extract_year(ref.textContent) || extract_year(remasterYear);
		  let genre;
		  dom.querySelectorAll('section#about > ul > li').forEach(function(k) {
			if (/\b(\d+)\s*(?:dis[ck]|disco|disque)(?:s?\b|\(s\))/i.test(k.textContent))  {
			  totaldiscs = parseInt(RegExp.$1);
			}
			if (/\b(\d+)\s*(?:track|pist[ae]|tracce)(?:s?\b|\(s\))/i.test(k.textContent)) {
			  totaltracks = parseInt(RegExp.$1);
			}
			if (k.textContent.includes('Label')) label = k.children[0].textContent.trim()
			else if (k.textContent.includes('Composer')) {
			  composer = k.children[0].textContent.trim();
			  if (/\bVarious\b/i.test(composer)) composer = null;
			} else if (k.textContent.includes('Genre') && k.children.length > 0) {
			  genre = k.querySelector('a:last-child');
			  genre = genre != null ? genre.textContent.trim() : undefined;
			}
		  });
  		  bd = 16; channels = 2;
		  dom.querySelectorAll('span.album-quality__info').forEach(function(k) {
			if (/\b([\d\.\,]+)\s*kHz\b/i.exec(k.textContent) != null) sr = parseFloat(RegExp.$1.replace(/,/g, '.'));
			if (/\b(\d+)[\-\s]*Bits?\b/i.exec(k.textContent) != null) bd = parseInt(RegExp.$1);
			if (/\b(?:Stereo)b/i.test(k.textContent)) channels = 2;
			if (/\b(?:4\.0)b/.test(k.textContent)) channels = 4;
			if (/\b(?:5\.0)b/.test(k.textContent)) channels = 5;
			if (/\b(?:5\.1)b/.test(k.textContent)) channels = 6;
			if (/\b(?:7\.0)b/.test(k.textContent)) channels = 7;
			if (/\b(?:7\.1)b/.test(k.textContent)) channels = 8;
		  });
		  get_desc_from_node('section#description > p', response.finalUrl, true);
		  if ((ref = dom.querySelector('a[title="Qobuzissime"]')) != null) {
			description += '\x1C[align=center][url=https://www.qobuz.com' + ref.pathname +
			  '][img]https://ptpimg.me/4z35uj.png[/img][/url][/align]';
		  }
		  ref = dom.querySelectorAll('div.track > div.track__items');
		  if (!totaltracks) totaltracks = ref.length;
		  ref.forEach(function(k) {
			discnumber = k.parentNode.parentNode.parentNode.querySelector('p.player__work');
			discnumber = discnumber != null && /^DIS[CK]\s*(\d+)$/i.exec(discnumber.textContent) != null ?
			  parseInt(RegExp.$1) : undefined;
			if (discnumber > totaldiscs) totaldiscs = discnumber;
			tracknumber = parseInt(k.querySelector('span[itemprop="position"]').textContent.trim());
			title = k.querySelector('span.track__item--name').textContent.trim().replace(/\s+/g, ' ');
			duration = timestrToTime(k.querySelector('span.track__item--duration').textContent);
			track_artist = undefined;
			track = [
			  artist,
			  album,
			  albumYear,
			  remasterYear,
			  label,
			  undefined,
			  'lossless',
			  'FLAC',
			  undefined,
			  undefined,
			  bd,
			  sr * 1000,
			  channels,
			  'WEB',
			  genre,
			  discnumber,
			  totaldiscs,
			  discsubtitle,
			  tracknumber,
			  totaltracks,
			  title,
			  track_artist,
			  undefined,
			  composer,
			  undefined,
			  undefined,
			  compiler,
			  producer,
			  duration,
			  undefined,
			  undefined,
			  undefined,
			  undefined,
			  response.finalUrl,
			  undefined,
			  description,
			];
			tracks.push(track.join('\x1E'));
		  });
		  clipBoard.value = tracks.join('\n');
		  fill_from_text_music();
		} });
	  } else if (url.toLowerCase().indexOf('highresaudio.com') >= 0) {
		GM_xmlhttpRequest({ method: 'GET', url: url, onload: function(response) {
		  if (response.readyState != 4 || response.status != 200) return;
		  dom = domparser.parseFromString(response.responseText, "text/html");
		  if (dom == null) return;

		  ref = dom.querySelector('h1 > span.artist');
		  if (ref != null) artist = ref.textContent.trim();
		  ref = dom.getElementById('h1-album-title');
		  if (ref != null) album = ref.firstChild.textContent.trim();
		  let genres = [], format;
		  dom.querySelectorAll('div.album-col-info-data > div > p').forEach(function(k) {
			if (/\b(?:Genre|Subgenre)\b/i.test(k.firstChild.textContent)) genres.push(k.lastChild.textContent.trim());
			if (/\b(?:Label)\b/i.test(k.firstChild.textContent)) label = k.lastChild.textContent.trim();
			if (/\b(?:Album[\s\-]Release)\b/i.test(k.firstChild.textContent)) albumYear = k.lastChild.textContent;
			if (/\b(?:HRA[\s\-]Release)\b/i.test(k.firstChild.textContent)) remasterYear = k.lastChild.textContent;
		  });
		  i = 0;
		  dom.querySelectorAll('tbody > tr > td.col-format').forEach(function(k) {
			if (/^(FLAC)\s*([\d\.\,]+)\b/.exec(k.textContent) != null) {
			  format = RegExp.$1;
			  sr = parseFloat(RegExp.$2.replace(/,/g, '.'));
			  ++i;
			}
		  });
		  if (i > 1) sr = undefined; // ambiguous
		  get_desc_from_node('div#albumtab-info > p', response.finalUrl);
		  ref = dom.querySelectorAll('ul.playlist > li.pltrack');
		  totaltracks = ref.length;
		  ref.forEach(function(k) {
			discsubtitle = k;
			while ((discsubtitle = discsubtitle.previousElementSibling) != null) {
			  if (discsubtitle.nodeName == 'LI' && discsubtitle.className == 'plinfo') {
				discsubtitle = discsubtitle.textContent.replace(/\s*:$/, '').trim();
				if (/\b(?:DIS[CK]|Volume|CD)\s*(\d+)\b/i.exec(discsubtitle)) discnumber = parseInt(RegExp.$1);
				break;
			  }
			}
			//if (discnumber > totaldiscs) totaldiscs = discnumber;
			tracknumber = parseInt(k.querySelector('span.track').textContent.trim());
			title = k.querySelector('span.title').textContent.trim().replace(/\s+/g, ' ');
			duration = timestrToTime(k.querySelector('span.time').textContent);
			track_artist = undefined;
			track = [
			  artist,
			  album,
			  albumYear,
			  remasterYear,
			  label,
			  undefined,
			  'lossless',
			  'FLAC', //format,
			  undefined,
			  undefined,
			  24,
			  sr * 1000,
			  2,
			  'WEB',
			  genres.join(', '),
			  discnumber,
			  totaldiscs,
			  discsubtitle,
			  tracknumber,
			  totaltracks,
			  title,
			  track_artist,
			  undefined,
			  composer,
			  undefined,
			  undefined,
			  compiler,
			  producer,
			  duration,
			  undefined,
			  undefined,
			  undefined,
			  undefined,
			  response.finalUrl,
			  undefined,
			  description,
			];
			tracks.push(track.join('\x1E'));
		  });
		  clipBoard.value = tracks.join('\n');
		  fill_from_text_music();
		} });
	  } else if (url.toLowerCase().indexOf('bandcamp.com') >= 0) {
		GM_xmlhttpRequest({ method: 'GET', url: url, onload: function(response) {
		  if (response.readyState != 4 || response.status != 200) return;
		  dom = domparser.parseFromString(response.responseText, "text/html");
		  if (dom == null) return;

		  ref = dom.querySelector('span[itemprop="byArtist"] > a');
		  if (ref != null) artist = ref.textContent.trim();
		  ref = dom.querySelector('h2[itemprop="name"]');
		  if (ref != null) album = ref.textContent.trim();
		  ref = dom.querySelector('div.tralbum-credits');
		  if (ref != null && /\breleased\s+.*?\b(\d{4})\b/i.exec(ref.textContent)) {
			remasterYear = parseInt(RegExp.$1);
			albumYear = remasterYear;
		  }
		  ref = dom.querySelector('p#band-name-location > span.title');
		  if (ref != null) label = ref.textContent.trim();
		  let tags = new TagManager;
		  dom.querySelectorAll('div.tralbum-tags > a.tag').forEach(k => { tags.add(k.textContent.trim()) });
		  description = [];
		  dom.querySelectorAll('div.tralbumData').forEach(function(k) {
			if (!k.classList.contains('tralbum-tags')) description.push(html2php(k, response.finalUrl))
		  });
		  description = description.join('\n\n').replace(/\n/g, '\x1C').replace(/\r/g, '\x1D');
		  ref = dom.querySelectorAll('table.track_list > tbody > tr[itemprop="tracks"]');
		  totaltracks = ref.length;
		  ref.forEach(function(k) {
			tracknumber = parseInt(k.querySelector('div.track_number').textContent);
			title = k.querySelector('span.track-title').textContent.trim().replace(/\s+/g, ' ');
			duration = timestrToTime(k.querySelector('span.time').textContent);
			track_artist = undefined;
			track = [
			  artist,
			  album,
			  albumYear,
			  remasterYear,
			  label,
			  undefined,
			  'lossless',
			  'FLAC',
			  undefined,
			  undefined,
			  undefined,
			  undefined,
			  2,
			  'WEB',
			  tags.toString(),
			  discnumber,
			  totaldiscs,
			  undefined,
			  tracknumber,
			  totaltracks,
			  title,
			  track_artist,
			  undefined,
			  composer,
			  undefined,
			  undefined,
			  compiler,
			  producer,
			  duration,
			  undefined,
			  undefined,
			  undefined,
			  undefined,
			  response.finalUrl,
			  undefined,
			  description,
			];
			tracks.push(track.join('\x1E'));
		  });
		  clipBoard.value = tracks.join('\n');
		  fill_from_text_music();
		} });
	  } else if (url.toLowerCase().indexOf('prestomusic.com') >= 0) {
		GM_xmlhttpRequest({ method: 'GET', url: url, onload: function(response) {
		  if (response.readyState != 4 || response.status != 200) return;
		  dom = domparser.parseFromString(response.responseText, "text/html");
		  if (dom == null) return;

		  artist = getArtists(dom.querySelectorAll('div.c-product-block__contributors > p'));
		  ref = dom.querySelector('h1.c-product-block__title');
		  if (ref != null) album = ref.lastChild.textContent.trim();
		  dom.querySelectorAll('div.c-product-block__metadata > ul > li').forEach(function(k) {
			if (k.firstChild.textContent.indexOf('Release Date') >= 0) {
			  remasterYear = extract_year(k.lastChild.textContent.trim());
			} else if (k.firstChild.textContent.indexOf('Label') >= 0) {
			  label = k.lastChild.textContent.trim();
			} else if (k.firstChild.textContent.indexOf('Catalogue No') >= 0) {
			  catalogue = k.lastChild.textContent.trim();
			}
		  });
		  albumYear = remasterYear;
		  let genre;
		  if (/\/jazz\//i.test(response.finalUrl)) genre = 'Jazz';
		  if (/\/classical\//i.test(response.finalUrl)) genre = 'Classical';
		  get_desc_from_node('div#about > div > p', response.finalUrl, true);
		  ref =  dom.querySelectorAll('div#related > div > ul > li');
		  composer = [];
		  ref.forEach(function(k) {
			if (k.parentNode.previousElementSibling.textContent.indexOf('Composers') >= 0) {
			  composer.push(k.firstChild.textContent.trim().replace(/^(.*?)\s*,\s+(.*)$/, '$2 $1'));
			}
		  });
		  composer = composer.join(', ') || undefined;
		  ref = dom.querySelectorAll('div.has--sample');
		  totaltracks = ref.length;
		  let tracknumber = 0;
		  ref.forEach(function(k) {
			tracknumber = ++tracknumber;
			title = k.querySelector('p.c-track__title').textContent.trim().replace(/\s+/g, ' ');
			duration = timestrToTime(k.querySelector('div.c-track__duration').textContent);
			if (k.classList.contains('c-track')) {
			  track_artist = getArtists(k.parentNode.parentNode.querySelectorAll(':scope > div.c-track__details > ul > li'));
			  discsubtitle = k.parentNode.parentNode.querySelector(':scope > div > div > div > p.c-track__title');
			  discsubtitle = discsubtitle != null ? discsubtitle.textContent.trim() : undefined;
			} else {
			  track_artist = getArtists(k.querySelectorAll(':scope > div.c-track__details > ul > li'));
			  discsubtitle = undefined;
			}
			if (track_artist == artist) track_artist = undefined;
			track = [
			  artist,
			  album,
			  albumYear,
			  remasterYear,
			  label,
			  catalogue,
			  undefined, //encoding,
			  undefined, //format,
			  undefined,
			  undefined, //bitrate,
			  undefined, //bd,
			  undefined, //sr * 1000,
			  2,
			  'WEB',
			  genre,
			  discnumber,
			  totaldiscs,
			  discsubtitle,
			  tracknumber,
			  totaltracks,
			  title,
			  track_artist,
			  undefined,
			  composer,
			  undefined,
			  undefined,
			  compiler,
			  producer,
			  duration,
			  undefined,
			  undefined,
			  undefined,
			  undefined,
			  response.finalUrl,
			  undefined,
			  description,
			];
			tracks.push(track.join('\x1E'));
		  });
		  clipBoard.value = tracks.join('\n');
		  fill_from_text_music();

		  function getArtists(elems) {
			if (elems == null) return undefined;
			var artists = [];
			elems.forEach(k => { artists.push(k.textContent.trim()) });
			return artists.join(artists.length > 3 ? ', ' : ' & ');
		  }
		} });
	  }

	  function get_desc_from_node(selector, url, quote = false) {
		description = [];
		dom.querySelectorAll(selector).forEach(k => { description.push(html2php(k, url).trim()) });
		description = description.join('\n\n').trim().replace(/\n/g, '\x1C').replace(/\r/g, '\x1D');
		if (quote && description.length > 0) description = '[quote]' + description + '[/quote]';
	  }
	} // init_from_url_music

	function fetch_image_from_store(response) {
	  if (response.readyState != 4 || !response.responseText) return;
	  dom = domparser.parseFromString(response.responseText, "text/html");
	  if (dom == null) return;
	  if (response.finalUrl.toLowerCase().indexOf('qobuz.com') >= 0
		  && (ref = dom.querySelector('div.album-cover > img')) != null) set_image(ref.src);
	  if (response.finalUrl.toLowerCase().indexOf('highresaudio.com') >= 0
		  && (ref = dom.querySelector('div.albumbody > img.cover[data-pin-media]')) != null) {
		set_image(ref.dataset.pinMedia);
	  }
	  if (response.finalUrl.toLowerCase().indexOf('bandcamp.com') >= 0
		  && (ref = dom.querySelector('div#tralbumArt > a.popupImage')) != null) set_image(ref.href);
	  if (response.finalUrl.toLowerCase().indexOf('7digital.com') >= 0
		  && (ref = dom.querySelector('span.release-packshot-image > img[itemprop="image"]')) != null) {
		set_image(ref.src);
	  }
	  if (response.finalUrl.toLowerCase().indexOf('hdtracks.com') >= 0
		  && (ref = dom.querySelector('p.product-image > img')) != null) set_image(ref.src);
	  if (response.finalUrl.toLowerCase().indexOf('discogs.com') >= 0
		  && (ref = dom.querySelector('div#view_images > p:first-of-type > span > img')) != null) set_image(ref.src);
	  if (response.finalUrl.toLowerCase().indexOf('junodownload.com') >= 0
		  && (ref = dom.querySelector('a.productimage')) != null) set_image(ref.href);
	  if (response.finalUrl.toLowerCase().indexOf('supraphonline.cz') >= 0
		  && (ref = dom.querySelector('div.sexycover > img')) != null) set_image(ref.src.replace(/\?\d+$/, ''));
	  if (response.finalUrl.toLowerCase().indexOf('prestomusic.com') >= 0
		  && (ref = dom.querySelector('div.c-product-block__aside > a')) != null) set_image(ref.href.replace(/\?\d+$/, ''));
	}
  }

  function fill_from_text_apps() {
	if (!/^https?:\/\//i.test(clipBoard.value)) return false;
	var description, tags = new TagManager();
	if (clipBoard.value.toLowerCase().indexOf('//sanet') >= 0) {
	  GM_xmlhttpRequest({ method: 'GET', url: clipBoard.value, onload: function(response) {
		if (response.readyState != 4 || response.status != 200) return;
		dom = domparser.parseFromString(response.responseText, "text/html");

		i = dom.querySelector('h1.item_title > span');
		if (element_writable(ref = document.getElementById('title'))) {
		  ref.value = i != null ? i.textContent.
			replace(/\(x64\)$/i, '(64-bit)').
			replace(/\b(?:Build)\s+(\d+)/, 'build $1').
			replace(/\b(?:Multilingual|Multilanguage)\b/, 'multilingual') : null;
		}
		description = html2php(dom.querySelector('section.descr'), response.finalUrl);
		if (/\s*^(?:\[i\]\[\/i\])?Homepage$.*/m.test(description)) description = RegExp.leftContext;
		description = description.trim().split(/\n/).slice(5).map(k => k.trimRight()).join('\n').trim();
		ref = dom.querySelector('section.descr > div.release-info');
		var releaseInfo = ref != null && ref.textContent.trim();
		if (/\b(?:Languages?)\s*:\s*(.*?)\s*(?:$|\|)/i.exec(releaseInfo) != null) {
		  description += '\n\n[b]Languages:[/b]\n' + RegExp.$1;
		}
		ref = dom.querySelector('div.txtleft > a');
		if (ref != null) description += '\n\n[b]Product page:[/b]\n[url]' + de_anonymize(ref.href) + '[/url]';
		write_description(description);
		if ((ref = dom.querySelector('section.descr > div.center > a.mfp-image')) != null) {
		  set_image(ref.href);
		} else {
		  ref = dom.querySelector('section.descr > div.center > img[data-src]');
		  if (ref != null) set_image(ref.dataset.src);
		}
		var cat = dom.querySelector('a.cat:last-of-type > span');
		if (cat != null) {
		  if (cat.textContent.toLowerCase() == 'windows') {
			tags.add('apps.windows');
			if (/\b(?:x64)\b/i.test(releaseInfo)) tags.add('win64');
			if (/\b(?:x86)\b/i.test(releaseInfo)) tags.add('win32');
		  }
		  if (cat.textContent.toLowerCase() == 'macos') tags.add('apps.mac');
		  if (cat.textContent.toLowerCase() == 'linux' || cat.textContent.toLowerCase() == 'unix') tags.add('apps.linux');
		  if (cat.textContent.toLowerCase() == 'android') tags.add('apps.android');
		  if (cat.textContent.toLowerCase() == 'ios') tags.add('apps.ios');
		}
		if (tags.length > 0 && element_writable(ref = document.getElementById('tags'))) {
		  ref.value = tags.toString();
		}
	  }, });
	  return true;
	}
	return false;
  }

  function fill_from_text_books() {
	if (!/^https?:\/\//i.test(clipBoard.value)) return false;
	var description, tags = new TagManager();
	if (clipBoard.value.toLowerCase().indexOf('martinus.cz') >= 0 || clipBoard.value.toLowerCase().indexOf('martinus.sk') >= 0) {
	  GM_xmlhttpRequest({ method: 'GET', url: clipBoard.value, onload: function(response) {
		if (response.readyState != 4 || response.status != 200) return;
		dom = domparser.parseFromString(response.responseText, "text/html");

		function get_detail(x, y) {
		  var ref = dom.querySelector('section#details > div > div > div:first-of-type > div:nth-child(' +
			x + ') > dl:nth-child(' + y + ') > dd');
		  return ref != null ? ref.textContent.trim() : null;
		}

		i = dom.querySelectorAll('article > ul > li > a');
		if (i.length > 0 && element_writable(ref = document.getElementById('title'))) {
		  description = join_authors(i);
		  if ((i = dom.querySelector('article > h1')) != null) description += ' - ' + i.textContent.trim();
		  i = dom.querySelector('div.bar.mb-medium > div:nth-child(1) > dl > dd > span');
		  if (i != null && (i = extract_year(i.textContent))) description += ' (' + i + ')';
		  ref.value = description;
		}

		description = '[quote]' + html2php(dom.querySelector('section#description > div')).
			replace(/^\s*\[img\].*?\[\/img\]\s*/i, '') + '[/quote]';
		const translation_map = [
		  [/\b(?:originál)/i, 'Original title'],
		  [/\b(?:datum|dátum|rok)\b/i, 'Release date'],
		  [/\b(?:katalog|katalóg)/i, 'Catalogue #'],
		  [/\b(?:stran|strán)\b/i, 'Page count'],
		  [/\bjazyk/i, 'Language'],
		  [/\b(?:nakladatel|vydavatel)/i, 'Publisher'],
		  [/\b(?:doporuč|ODPORÚČ)/i, 'Age rating'],
		];
		dom.querySelectorAll('section#details > div > div > div:first-of-type > div > dl').forEach(function(detail) {
		  var lbl = detail.children[0].textContent.trim();
		  var val = detail.children[1].textContent.trim();
		  if (/\b(?:rozm)/i.test(lbl) || /\b(?:vazba|vázba)\b/i.test(lbl)) return;
		  translation_map.forEach(k => { if (k[0].test(lbl)) lbl = k[1] });
		  if (/\b(?:ISBN)\b/i.test(lbl)) {
			val = '[url=https://www.worldcat.org/isbn/' + detail.children[1].textContent.trim() +
			  ']' + detail.children[1].textContent.trim() + '[/url]';
// 		  } else if (/\b(?:ISBN)\b/i.test(lbl)) {
// 			val = '[url=https://www.goodreads.com/search/search?q=' + detail.children[1].textContent.trim() +
// 			  '&search_type=books]' + detail.children[1].textContent.trim() + '[/url]';
		  }
		  description += '\n[b]' + lbl + ':[/b] ' + val;
		});
		description += '\n[b]More info:[/b] ' + response.finalUrl;
		write_description(description);

		if ((i = dom.querySelector('a.mj-product-preview > img')) != null) {
		  set_image(i.src.replace(/\?.*/, ''));
		} else if ((i = dom.querySelector('head > meta[property="og:image"]')) != null) {
		  set_image(i.content.replace(/\?.*/, ''));
		}

		dom.querySelectorAll('dd > ul > li > a').forEach(x => { tags.add(x.textContent) });
		if (tags.length > 0 && element_writable(ref = document.getElementById('tags'))) {
		  ref.value = tags.toString();
		}
	  }, });
	  return true;
	} else if (clipBoard.value.toLowerCase().indexOf('goodreads.com') >= 0) {
	  GM_xmlhttpRequest({ method: 'GET', url: clipBoard.value, onload: function(response) {
		if (response.readyState != 4 || response.status != 200) return;
		dom = domparser.parseFromString(response.responseText, "text/html");

		i = dom.querySelectorAll('a.authorName > span');
		if (i.length > 0 && element_writable(ref = document.getElementById('title'))) {
		  description = join_authors(i);
		  if ((i = dom.querySelector('h1#bookTitle')) != null) description += ' - ' + i.textContent.trim();
		  if ((i = dom.querySelector('div#details > div.row:nth-of-type(2)')) != null
			  && (i = extract_year(i.textContent))) description += ' (' + i + ')';
		  ref.value = description;
		}

		description = '[quote]' + html2php(dom.querySelector('div#description > span:last-of-type'), response.finalUrl) + '[/quote]';

		function strip(str) {
		  return typeof str == 'string' ?
			str.replace(/\s{2,}/g, ' ').replace(/[\n\r]+/, '').replace(/\s*\.{3}(?:less|more)\b/g, '').trim() : null;
		}

		dom.querySelectorAll('div#details > div.row').forEach(k => { description += '\n' + strip(k.innerText) });
		description += '\n';

		dom.querySelectorAll('div#bookDataBox > div.clearFloats').forEach(function(detail) {
		  var lbl = detail.children[0].textContent.trim();
		  var val = strip(detail.children[1].textContent);
		  if (/\b(?:ISBN)\b/i.test(lbl) && ((matches = val.match(/\b(\d{13})\b/)) != null
				|| (matches = val.match(/\b(\d{10})\b/)) != null)) {
			val = '[url=https://www.worldcat.org/isbn/' + matches[1] + ']' + strip(detail.children[1].textContent) + '[/url]';
		  }
		  description += '\n[b]' + lbl + ':[/b] ' + val;
		});
		description += '\n[b]More info:[/b] ' + response.finalUrl;
		write_description(description);

		if ((i = dom.querySelector('div.editionCover > img')) != null) {
		  set_image(i.src.replace(/\?.*/, ''));
		}

		dom.querySelectorAll('div.elementList > div.left').forEach(x => { tags.add(x.textContent.trim()) });
		if (tags.length > 0 && element_writable(ref = document.getElementById('tags'))) {
		  ref.value = tags.toString();
		}
	  }, });
	  return true;
	} else if (clipBoard.value.toLowerCase().indexOf('databazeknih.cz') >= 0) {
	  let url = clipBoard.value;
	  if (url.toLowerCase().indexOf('show=alldesc') < 0) {
		if (!url.includes('?')) { url += '?show=alldesc' } else { url += '&show=alldesc' }
	  }
	  GM_xmlhttpRequest({ method: 'GET', url: url, onload: function(response) {
		if (response.readyState != 4 || response.status != 200) return;
		dom = domparser.parseFromString(response.responseText, "text/html");

		i = dom.querySelectorAll('span[itemprop="author"] > a');
		if (i != null && element_writable(ref = document.getElementById('title'))) {
		  description = join_authors(i);
		  if ((i = dom.querySelector('h1[itemprop="name"]')) != null) description += ' - ' + i.textContent.trim();
		  i = dom.querySelector('span[itemprop="datePublished"]');
		  if (i != null && (i = extract_year(i.textContent))) description += ' (' + i + ')';
		  ref.value = description;
		}

		description = '[quote]' + html2php(dom.querySelector('p[itemprop="description"]'), response.finalUrl) + '[/quote]';
		const translation_map = [
		  [/\b(?:orig)/i, 'Original title'],
		  [/\b(?:série)\b/i, 'Series'],
		  [/\b(?:vydáno)\b/i, 'Released'],
		  [/\b(?:stran)\b/i, 'Page count'],
		  [/\b(?:jazyk)\b/i, 'Language'],
		  [/\b(?:překlad)/i, 'Translation'],
		  [/\b(?:autor obálky)\b/i, 'Cover author'],
		];
		dom.querySelectorAll('table.bdetail tr').forEach(function(detail) {
		  var lbl = detail.children[0].textContent.trim();
		  var val = detail.children[1].textContent.trim();
		  if (/(?:žánr|\bvazba)\b/i.test(lbl)) return;
		  translation_map.forEach(k => { if (k[0].test(lbl)) lbl = k[1] });
		  if (/\b(?:ISBN)\b/i.test(lbl) && /\b(\d+(?:-\d+)*)\b/.exec(val) != null) {
			val = '[url=https://www.worldcat.org/isbn/' + RegExp.$1.replace(/-/g, '') +
			  ']' + detail.children[1].textContent.trim() + '[/url]';
		  }
		  description += '\n[b]' + lbl + '[/b] ' + val;
		});
		description += '\n[b]More info:[/b] ' + response.finalUrl.replace(/\?.*/, '');
		write_description(description);

		if ((i = dom.querySelector('div#icover_mid > a')) != null) set_image(i.href.replace(/\?.*/, ''));
		if ((i = dom.querySelector('div#lbImage')) != null
			&& (matches = i.style.backgroundImage.match(/\burl\("(.*)"\)/i)) != null) {
		  set_image(matches[1].replace(/\?.*/, ''));
		}

		dom.querySelectorAll('h5[itemprop="genre"] > a').forEach(x => { tags.add(x.textContent.trim()) });
		dom.querySelectorAll('a.tag').forEach(x => { tags.add(x.textContent.trim()) });
		if (tags.length > 0 && element_writable(ref = document.getElementById('tags'))) {
		  ref.value = tags.toString();
		}
	  }, });
	  return true;
	}
	return false;

	function join_authors(nodeList) {
	  if (typeof nodeList != 'object') return null;
	  var authors = [];
	  nodeList.forEach(k => { authors.push(k.textContent.trim()) });
	  return authors.join(' & ');
	}
  }

  function preview(n) {
	if (!prefs.auto_preview) return;
	var btn = document.querySelector('input.button_preview_' + n + '[type="button"][value="Preview"]');
	if (btn != null) btn.click();
  }

  function html2php(node, url) {
	var text = '';
	if (node instanceof HTMLElement) node.childNodes.forEach(function(ch) {
	  if (ch.nodeType == 3) {
		text += ch.data.replace(/\s+/g, ' ');
	  } else if (ch.nodeName == 'P') {
		text += '\n' + html2php(ch, url);
	  } else if (ch.nodeName == 'DIV') {
		text += '\n' + html2php(ch, url) + '\n\n';
	  } else if (ch.nodeName == 'LABEL') {
		text += '\n\n[b]' + html2php(ch, url) + '[/b]';
	  } else if (ch.nodeName == 'SPAN') {
		text += html2php(ch, url);
	  } else if (ch.nodeName == 'BR' || ch.nodeName == 'HR') {
		text += '\n';
	  } else if (ch.nodeName == 'B' || ch.nodeName == 'STRONG') {
		text += '[b]' + html2php(ch, url) + '[/b]';
	  } else if (ch.nodeName == 'I' || ch.nodeName == 'EM') {
		text += '[i]' + html2php(ch, url) + '[/i]';
	  } else if (ch.nodeName == 'U') {
		text += '[u]' + html2php(ch, url) + '[/u]';
	  } else if (ch.nodeName == 'CODE') {
		text += '[pre]' + ch.textContent + '[/pre]';
	  } else if (ch.nodeName == 'A') {
		text += ch.textContent.trim() ?
		  '[url=' + de_anonymize(ch.href) + ']' + ch.textContent.replace(/\s+/g, ' ') + '[/url]' :
			'[url]' + de_anonymize(ch.href) + '[/url]';
	  } else if (ch.nodeName == 'IMG') {
		text += '[img]' + (ch.dataset.src || ch.src) + '[/img]';
	  }
	});
	return text; //.replace(/\n{3,}/, '\n\n');
  }

  function de_anonymize(uri) {
	return typeof uri == 'string' ? uri.replace(/^https?:\/\/(?:www\.)?anonymz\.com\/\?/i, '') : null;
  }

  function write_description(desc) {
	if (typeof desc != 'string') return;
	if (element_writable(ref = document.getElementById('desc'))) ref.value = desc;
	if ((ref = document.getElementById('body')) != null && !ref.disabled) {
	  if (ref.textLength > 0) ref.value += '\n\n';
	  ref.value += desc;
	}
  }

  function set_image(url) {
	var image = document.getElementById('image') || document.querySelector('input[name="image"]');
	if (!element_writable(image)) return false;
	image.value = url;

	if (prefs.auto_preview_cover) {
	  if ((child = document.getElementById('cover preview')) == null) {
		elem = document.createElement('div');
		elem.style.paddingTop = '10px';
		child = document.createElement('img');
		child.id = 'cover preview';
		child.style.width = '90%';
		elem.append(child);
		image.parentNode.previousElementSibling.append(elem);
	  }
	  child.src = url;
	}
	// Re-Host to PTPIMG
	if (prefs.auto_rehost_cover) {
	  var rehost_btn = document.querySelector('input.rehost_it_cover[type="button"]');
	  if (rehost_btn != null) {
		rehost_btn.click();
	  } else {
		var pr = rehost_imgs([url]);
		if (pr != null) pr.then(new_urls => { image.value = new_urls[0] });
	  }
	}
  }

  // PTPIMG rehoster taken from `PTH PTPImg It`
  function rehost_imgs(urls) {
	if (!Array.isArray(urls)) return null;
	var config = JSON.parse(window.localStorage.ptpimg_it);
	return config.api_key ? new Promise(ptpimg_upload_urls).catch(m => { alert(m) }) : null;

	function ptpimg_upload_urls(resolve, reject) {
	  const boundary = 'NN-GGn-PTPIMG';
	  var data = '--' + boundary + "\n";
	  data += 'Content-Disposition: form-data; name="link-upload"\n\n';
	  data += urls.map(function(url) {
		return url.toLowerCase().indexOf('://reho.st/') < 0 && url.toLowerCase().indexOf('discogs.com') >= 0 ?
		  'https://reho.st/' + url : url;
	  }).join('\n') + '\n';
	  data += '--' + boundary + '\n';
	  data += 'Content-Disposition: form-data; name="api_key"\n\n';
	  data += config.api_key + '\n';
	  data += '--' + boundary + '--';
	  GM_xmlhttpRequest({
		method: 'POST',
		url: 'https://ptpimg.me/upload.php',
		responseType: 'json',
		headers: {
		  'Content-type': 'multipart/form-data; boundary=' + boundary,
		},
		data: data,
		onload: response => {
		  if (response.status != 200) reject('Response error ' + response.status);
		  resolve(response.response.map(item => 'https://ptpimg.me/' + item.code + '.' + item.ext));
		},
	  });
	}
  }

  function element_writable(elem) { return elem != null && !elem.disabled && (overwrite || !elem.value) }
}

function add_artist() { exec(function() { AddArtistField() }) }

function array_homogenous(arr) { return arr.every(k => k === arr[0]) }

function exec(fn) {
  let script = document.createElement('script');
  script.type = 'application/javascript';
  script.textContent = '(' + fn + ')();';
  document.body.appendChild(script); // run the script
  document.body.removeChild(script); // clean up
}

function makeTimeString(duration) {
  let t = Math.abs(Math.round(duration));
  let H = Math.floor(t / 60 ** 2);
  let M = Math.floor(t / 60 % 60);
  let S = t % 60;
  return (duration < 0 ? '-' : '') +
	(H > 0 ? H + ':' + M.toString().padStart(2, '0') : M.toString()) +
	':' + S.toString().padStart(2, '0');
}

function timestrToTime(str) {
  return /\b(?:(?:(\d+):)?(\d+):)?(\d+)\b/.exec(str) != null ?
	parseInt(RegExp.$1 || 0) * 60 ** 2 + parseInt(RegExp.$2 || 0) * 60 + parseInt(RegExp.$3 || 0) : 0;
}

function extract_year(expr) {
  if (typeof expr != 'string') return null;
  var year, m = expr.match(/\b(\d{4})\b/);
  return m != null && parseInt(m[1]) || parseInt(expr) || null;
}

function isRED() { return document.domain.toLowerCase().endsWith('redacted.ch') }
function isNWCD() { return document.domain.toLowerCase().endsWith('notwhat.cd') }
function isOrpheus() { return document.domain.toLowerCase().endsWith('orpheus.network') }

function reInParenthesis(expr) { return new RegExp('\\s+\\([^\\(\\)]*'.concat(expr, '[^\\(\\)]*\\)$'), 'i') }
function reInBrackets(expr) { return new RegExp('\\s+\\[[^\\[\\]]*'.concat(expr, '[^\\[\\]]*\\]$'), 'i') }

function matchCaseless(str) { return str.toLowerCase() == this.toLowerCase() }

Array.prototype.includesCaseless = function(str) { return this.find(matchCaseless, str) != undefined };

function addMessage(text, cls) {
  messages = document.getElementById('UA messages');
  if (messages == null) {
	var ua = document.getElementById('upload assistant');
	if (ua == null) return null;
	messages = document.createElement('TR');
	if (messages == null) return null;
	messages.id = 'UA messages';
	ua.children[0].append(messages);

	elem = document.createElement('TD');
	if (elem == null) return null;
	elem.colSpan = 2;
	elem.style.padding = '15px';
	elem.style.textAlign = 'left';
	messages.append(elem);
  } else {
	elem = messages.children[0]; // tbody
	if (elem == null) return null;
  }
  var div = document.createElement('DIV');
  div.classList.add('ua-messages', cls);
  div.textContent = text;
  return elem.appendChild(div);
}