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Auto Set Youtube Volume

Choose the default volume for youtube videos!

Versión del día 09/07/2021. Echa un vistazo a la versión más reciente.

// ==UserScript==
// @name         Auto Set Youtube Volume
// @namespace    YTVol
// @version      0.1
// @description  Choose the default volume for youtube videos!
// @author       hacker09
// @match        https://www.youtube.com/watch?v=*
// @icon         https://www.youtube.com/s/desktop/03f86491/img/favicon.ico
// @run-at       document-start
// @grant        GM_getValue
// @grant        GM_setValue
// ==/UserScript==

(function() {
  'use strict';
  if (GM_getValue('Default_Volume') === undefined) //If the Default_Volume wasn't set yet
  { //Starts the if condition
    GM_setValue('Default_Volume', 20); //Save the Default YT Volume as 20%
  } //Finishes the if condition

  window.sessionStorage.setItem('yt-player-volume', '{"data":"{\\"volume\\":' + GM_getValue('Default_Volume') + ',\\"muted\\":false}","creation":' + new Date().valueOf() + '}'); //Set the Default YT Volume
  /*
  var video = document.querySelector('.video-stream'); //Save the video element to a variable
  function CheckLoad() { //Starts the CheckLoad function
    if (video.readyState === 1) { //When the video "starts"
      document.querySelector('.video-stream').volume = 0.2; //Set the volume to 20%
      document.querySelector('div.ytp-volume-panel').ariaValueNow = GM_getValue('Default_Volume'); //Set the aria value
      document.querySelector('div.ytp-volume-panel').valuetext = GM_getValue('Default_Volume') + ' volume'; //Set the value to show on hover
      document.querySelector('div.ytp-volume-panel > div > div').style.left = '8px'; //Make the volume line shorter
      document.querySelector(".ytp-svg-volume-animation-speaker").attributes[2].value = "M8,21 L12,21 L17,26 L17,10 L12,15 L8,15 L8,21 Z M19,14 L19,22 C20.48,21.32 21.5,19.77 21.5,18 C21.5,16.26 20.48,14.74 19,14 Z"; //Make the volume box shorter
    } else { //Starts the else condition if the video didn't "start" yet
      setTimeout(CheckLoad, 100); //Keep checking till the video "starts"
    } //Finishes the else condition
  }  //Finishes the function CheckLoad
  CheckLoad(); //Starts the CheckLoad function
  */
})();