Default Resolution - YouTube

Choose the default resolution for YouTube videos!
目前为 2024-03-29 提交的版本。查看最新版本。
Wrap lines
// ==UserScript==
// @name         Default Resolution - YouTube
// @namespace    https://gf.qytechs.cn/en/users/670188-hacker09?sort=daily_installs
// @version      1
// @description  Choose the default resolution for YouTube videos!
// @author       hacker09
// @match        https://m.youtube.com/watch?v=*
// @match        https://www.youtube.com/embed/*
// @match        https://www.youtube.com/watch?v=*
// @icon         https://www.youtube.com/s/desktop/03f86491/img/favicon.ico
// @run-at       document-end
// @grant        GM_getValue
// @grant        GM_setValue
// ==/UserScript==

setTimeout(() => {
  'use strict';
  if (GM_getValue('Default_Desktop_Resolution') === undefined) //If the Default_Resolution wasn't set yet
  { //Starts the if condition
    GM_setValue('Default_Desktop_Resolution', 'hd1080'); //Save the Default YT Desktop Resolution as 1080p
    GM_setValue('Default_Mobile_Resolution', 'tiny'); //Save the Default YT Mobile Resolution as 144p
  } //Finishes the if condition

  if (localStorage.getItem('yt-player-quality') === null || (navigator.userAgentData.mobile === false && (document.getElementById("movie_player").getAvailableQualityLevels().includes(GM_getValue('Default_Desktop_Resolution')) === true && JSON.parse(localStorage.getItem('yt-player-quality'))?.data !== GM_getValue('Default_Desktop_Resolution')))) { //If the user never manually set the resolution before or if the default user resolution exists and if the current video resolution isn't the default user-chosen resolution
    localStorage.setItem('yt-player-quality', `{\"data\":\"${(navigator.userAgentData.mobile === true) ? GM_getValue('Default_Mobile_Resolution') : (document.getElementById("movie_player").getAvailableQualityLevels().includes(GM_getValue('Default_Desktop_Resolution')) === true) ? GM_getValue('Default_Desktop_Resolution') : document.getElementById("movie_player").getAvailableQualityLevels()[0]}\",\"expiration\":${new Date().valueOf() + 30 * 24 * 60 * 60 * 1000},\"creation\":${new Date().valueOf()}}`);
    location.reload(); //Reloads the page to apply the video resolution
  } //Finishes the if condition
}, 800);
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