// ==UserScript==
// @name YouTube.com audio only mode buttons (Mobile / Desktop)
// @namespace youtube-download-buttons-video-audio
// @version 1.5
// @description Adds buttons below video to play media in audio only mode. Works on mobile (m.youtube.com) and on desktop.
// @author hlorand.hu
// @match https://m.youtube.com/*
// @match https://youtube.com/*
// @match https://*.youtube.com/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=tampermonkey.net
// @grant none
// @license https://creativecommons.org/licenses/by-nc-sa/4.0/
// @run-at document-idle
// ==/UserScript==
// Screenshot: https://ibb.co/F7NJZHT
(function() {
//'use strict';
// itag quality descriptors
// https://gist.github.com/sidneys/7095afe4da4ae58694d128b1034e01e2
function getQualityFromItag(itag) {
const q = {
'5':'FLV 240p',
'6':'FLV 270p',
'17':'3GP 144p',
'18':'MP4 360p',
'22':'MP4 720p',
'34':'FLV 360p',
'35':'FLV 480p',
'36':'3GP 180p',
'37':'MP4 1080p',
'38':'MP4 3072p',
'43':'WebM 360p',
'44':'WebM 480p',
'45':'WebM 720p',
'46':'WebM 1080p',
'82':'MP4 360p (3D)',
'83':'MP4 480p (3D)',
'84':'MP4 720p (3D)',
'85':'MP4 1080p (3D)',
'92':'HLS 240p (3D)',
'93':'HLS 360p (3D)',
'94':'HLS 480p (3D)',
'95':'HLS 720p (3D)',
'96':'HLS 1080p (3D)',
'100':'WebM 360p (3D)',
'101':'WebM 480p (3D)',
'102':'WebM 720p (3D)',
'132':'HLS 240p',
'133':'MP4 240p Video Only',
'134':'MP4 360p Video Only',
'135':'MP4 480p Video Only',
'136':'MP4 720p Video Only',
'137':'MP4 1080p Video Only',
'138':'MP4 2160p60 Video Only',
'139':'M4A Audio Only 48k',
'140':'M4A Audio Only 128k',
'141':'M4A Audio Only 256k',
'151':'HLS 72p',
'160':'MP4 144p Video Only',
'167':'WebM 360p Video Only',
'168':'WebM 480p Video Only',
'169':'WebM 1080p Video Only',
'171':'WebM Audio Only 128k',
'218':'WebM 480p Video Only',
'218':'WebM 144p Video Only',
'242':'WebM 240p Video Only',
'243':'WebM 360p Video Only',
'244':'WebM 480p Video Only',
'245':'WebM 480p Video Only',
'246':'WebM 480p Video Only',
'247':'WebM 720p Video Only',
'248':'WebM 1080p Video Only',
'249':'WebM Audio Only 50k',
'250':'WebM Audio Only 70k',
'251':'WebM Audio Only 160k',
'264':'MP4 1440p Video Only',
'266':'MP4 2160p60 Video Only',
'271':'WebM 1440p Video Only',
'272':'WebM 4320p Video Only',
'278':'WebM 144p Video Only',
'298':'MP4 720p60 Video Only',
'299':'MP4 1080p60 Video Only',
'302':'WebM 720p60 Video Only ',
'303':'WebM 1080p60 Video Only',
'308':'WebM 1440p60 Video Only',
'313':'WebM 2160p Video Only',
'315':'WebM 2160p60 Video Only',
'330':'WebM 144p60 Video Only (hdr)',
'331':'WebM 240p60 Video Only (hdr)',
'332':'WebM 360p60 Video Only (hdr)',
'333':'WebM 480p60 Video Only (hdr)',
'334':'WebM 720p60 Video Only (hdr)',
'335':'WebM 1080p60 Video Only (hdr)',
'336':'WebM 1440p60 Video Only (hdr)',
'337':'WebM 2160p60 Video Only (hdr)'
};
return q[itag] || "Unknown";
}
function addbuttons(){
document.getElementById("downloadbuttons").innerHTML = "";
// do not add buttons on homepage
if( !window.location.href.includes("watch") ) return;
// if config not available, reload page
if( window.location.href.includes("watch") && ( !ytplayer.config || !ytplayer.config.args ) ){
window.location.reload();
return;
}
// get video urls from youtube config
let medias = ytplayer.config.args.raw_player_response.streamingData.adaptiveFormats;
medias.push(...ytplayer.config.args.raw_player_response.streamingData.formats);
let urls = [];
for (let media of medias) {
// calculate filesizes
if( media.contentLength )
// audio
var _filesize = Math.round(media.contentLength / 1024 / 1024); // byte->MB
else
// video
var _filesize = Math.round(media.approxDurationMs/1000 * media.bitrate/1024/1024/8) // bits/s->MB
// collet the most important data to an object
let data = {
url : media.url.replace(/\\u0026/g, '&'),
qualityDescription : getQualityFromItag(media.itag),
qualityLabel : media.qualityLabel,
filesize : _filesize
};
// filter videos that has audio+video stream both included or audio only
if( data.qualityDescription.includes("Audio Only") || data.qualityDescription.includes("MP4") && !data.qualityDescription.includes("Only") )
urls.push( data );
}
// filter out duplicates
urls = Array.from(new Set(urls.map(a => a.url))).map(url => {
return urls.find(a => a.url === url);
});
// create and add buttons
urls.forEach((url)=>{
let button = document.createElement('button');
button.setAttribute("url", url.url);
button.textContent = url.qualityDescription.replace(" Only","").replace("WebM","").replace("M4A","") + (isNaN(url.filesize) ? "" : " "+url.filesize+"M");
button.className = "downloadbutton";
button.style.margin = "4px";
button.style.padding = "4px";
button.style.position = "relative";
button.style.backgroundColor = "chocolate";
button.onclick = function() {
document.write(`<html>
<body>
<video controls><source src=`+this.getAttribute("url")+`></video><br><br>
<style>button{margin-bottom:5px;font-size:large;}video{width:100%;max-height:100vh;}</style>
<button onclick="document.querySelector('video').playbackRate = 3">3</button><br>
<button onclick="document.querySelector('video').playbackRate = 2.75">2.75</button><br>
<button onclick="document.querySelector('video').playbackRate = 2.5">2.5</button><br>
<button onclick="document.querySelector('video').playbackRate = 2.25">2.25</button><br>
<button onclick="document.querySelector('video').playbackRate = 2">2</button><br>
<button onclick="document.querySelector('video').playbackRate = 1.75">1.75</button><br>
<button onclick="document.querySelector('video').playbackRate = 1.5">1.5</button><br>
<button onclick="document.querySelector('video').playbackRate = 1">1</button><br>
</body>
</html>`);
};
let target = document.getElementById('downloadbuttons');
target.insertBefore(button, target.firstChild);
}); // end foreach
} // end addbuttons
// Periodically check if the buttons are visible (sometimes YouTube redraws its interface).
setInterval(()=>{
// Creating a div that will contain buttons.
if( document.getElementById("downloadbuttons") == undefined ){
// placement of buttons on desktop
let parent = document.getElementById('above-the-fold');
// placement of buttons on tablet
if( !parent ){
parent = document.querySelector('.watch-below-the-player');
}
// placement of buttons on mobile
if( !parent ){
parent = document.querySelector('.related-chips-slot-wrapper');
}
if( parent ){
let wrapper = document.createElement('div');
wrapper.setAttribute("id","downloadbuttons");
parent.insertBefore(wrapper, parent.firstChild);
addbuttons();
}
}
// Sometimes the buttons are not added, so I check and add them if necessary.
if( document.getElementById("downloadbuttons") && document.getElementById("downloadbuttons").textContent.trim() === '' ){
addbuttons();
}
}, 1000);
})();
