// ==UserScript==
// @name            Dumb Youtube lowest quality chooser
// @name:fr         Vidéos Youtube en résolution minimale par défaut
// @version         2
// @description     Auto select the lowest available quality of videos (more eco-friendly, and you can still manually select a higher resolution when needed)
// @description:fr  Choisir automatiquement la qualité minimum pour la lecture des vidéos (plus eco-friendly, avec toujours la possibilité de choisir manuellement une meilleure qualité quand nécessaire)
// @author          Les noix de coco
// @include         http://youtube.com/*
// @include         https://youtube.com/*
// @include         http://www.youtube.com/*
// @include         https://www.youtube.com/*
// @include         http://gaming.youtube.com/*
// @include         https://gaming.youtube.com/*
// @noframes
// @grant           none
// @namespace https://greasyfork.org/users/456082
// ==/UserScript==
(function() {
"use strict"
//--- USER SETTINGS
// PREFERRED_QUALITY (string) can be set to 'lowest' (most of the time it means 144p),
// or to a specific quality such as '240' or '360' (string without trailing 'p')
const PREFERRED_QUALITY = 'lowest'
//--- END OF USER SETTINGS
function sortNumber(a, b) {
return a - b
}
const DELAY = 1
function setLowestQuality() {
if (!window.location.href.match(/\?.*v=/)) {
// Not a video
return
}
console.log('Will try to set video quality...')
setTimeout(() => {
const videoSettingsButtonEl = document.querySelector('.ytp-settings-button')
if (!videoSettingsButtonEl) {
return
}
videoSettingsButtonEl.dispatchEvent(new Event('click'))
setTimeout(() => {
let found = false
for (const el of document.querySelectorAll('.ytp-menuitem')) {
if (el.textContent.match(/Qual|Calidad/)) {
found = true
el.dispatchEvent(new Event('click'))
break
}
}
if (!found) {
return
}
setTimeout(() => {
const qualities = {}
for (const el of document.querySelectorAll('.ytp-menuitem')) {
const match = el.textContent.match(/(\d+)p/)
if (match) {
const qualityNum = match[1]
qualities[qualityNum] = el
}
}
let qualitiesList = Object.keys(qualities).sort(sortNumber)
console.log('Qualities (sorted):', qualitiesList)
let quality
if (!PREFERRED_QUALITY || PREFERRED_QUALITY === 'lowest') {
quality = qualitiesList[0]
} else {
// Take the preferred quality (with a fallback to the lowest quality)
const idx = qualitiesList.indexOf(PREFERRED_QUALITY)
quality = idx >=0 ? qualitiesList[idx] : qualitiesList[0]
}
console.log(`Setting video quality to ${quality}p`)
qualities[quality].dispatchEvent(new Event('click'))
}, DELAY)
}, DELAY)
}, DELAY)
}
window.addEventListener("yt-navigate-finish", setLowestQuality, true)
})()