☰

Refresh Video

Auto refresh youtube if video freezed/stopped downloading

  1. // ==UserScript==
  2. // @name         Refresh Video
  3. // @description  Auto refresh youtube if video freezed/stopped downloading
  4. // @version      0.1.20
  5. // @author       0vC4
  6. // @namespace    https://greasyfork.org/users/670183
  7. // @match        *://*.youtube.com/*
  8. // @icon         https://www.google.com/s2/favicons?sz=64&domain=youtube.com
  9. // @run-at       document-start
  10. // @license      MIT
  11. // @grant        none
  12. // ==/UserScript==
  13.  
  14. // refresh if no reply during these actions
  15. const maxLoadingTime = 1500;
  16. const maxSeekingTime = 1500;
  17.  
  18. let created = false;
  19. let refreshing = false;
  20. let loaded = false;
  21. let navigating = true;
  22. let seeking = false;
  23. let seekingId = 0;
  24.  
  25. const policy = window.trustedTypes && window.trustedTypes.createPolicy ? window.trustedTypes.createPolicy('timeout', {createScriptURL: str => str}) : {createScriptURL: str => str};
  26. const timeout = delay => URL.createObjectURL(new Blob([`setTimeout(() => postMessage(0), ${delay});`]));
  27. const refreshOnLoad = policy.createScriptURL(timeout(maxLoadingTime));
  28. const seekingDebounce = policy.createScriptURL(timeout(500));
  29.  
  30. document.addEventListener('yt-navigate-start', () => {
  31.     if (!location.href.includes('watch') && !location.href.includes('shorts')) return;
  32.     navigating = true;
  33.     loaded = false;
  34. });
  35. document.addEventListener('yt-navigate-finish', () => {
  36.     if (!location.href.includes('watch') && !location.href.includes('shorts')) return;
  37.     navigating = false;
  38. });
  39.  
  40. let focused = false;
  41. window.setInterval(()=>{
  42.     if (!location.href.includes('watch') && !location.href.includes('shorts')) {
  43.         focused = false;
  44.         created = false;
  45.         refreshing = false;
  46.         loaded = false;
  47.         navigating = true;
  48.         seeking = false;
  49.         seekingId = 0;
  50.         return;
  51.     }
  52.  
  53.     if (!focused) {
  54.         focused = document.hasFocus();
  55.         return;
  56.     }
  57.  
  58.     const vid = window.document.querySelector('video.html5-main-video');
  59.     if (!vid) return;
  60.     if (!created) {
  61.         created = true;
  62.         vid.addEventListener('seeking', () => {
  63.             clearTimeout(seekingId);
  64.             seeking = true;
  65.             seekingId = setTimeout(() => {
  66.                 seeking = false;
  67.             }, maxSeekingTime);
  68.         });
  69.  
  70.         // refresh if no data for half sec
  71.         const callback = () => {
  72.             if (!loaded && vid.readyState === window.HTMLMediaElement.HAVE_NOTHING) {
  73.                 window.location.href = window.location.href;
  74.             }
  75.         };
  76.         new Worker(refreshOnLoad).onmessage = callback;
  77.     }
  78.  
  79.     // to prevent early page refresh
  80.     if (vid.readyState === window.HTMLMediaElement.HAVE_CURRENT_DATA || vid.readyState === window.HTMLMediaElement.HAVE_ENOUGH_DATA) loaded = !navigating;
  81.     const noData = vid.readyState === window.HTMLMediaElement.HAVE_CURRENT_DATA || vid.readyState === window.HTMLMediaElement.HAVE_METADATA;
  82.     if (loaded && !refreshing && noData && !seeking && !vid.paused && +vid.currentTime.toFixed(0) >= +vid.buffered.end(0).toFixed(0) - 2 && +vid.currentTime.toFixed(0) < +vid.duration.toFixed(0) - 2) {
  83.         refreshing = true;
  84.         const callback = () => {
  85.             if (seeking) {
  86.                 refreshing = false;
  87.                 return;
  88.             }
  89.             window.location.href = window.location.href.split('?')[0] + '?t=' + (+vid.currentTime.toFixed(0)) + '&' + window.location.href.split('?')[1];
  90.         };
  91.         new Worker(seekingDebounce).onmessage = callback;
  92.     }
  93. });