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Show Youtube Video Length Time

Shows Youtube video length in hours, minutes, and seconds

  1. // ==UserScript==
  2. // @name        Show Youtube Video Length Time
  3. // @namespace   Jefferson Scher
  4. // @icon        https://cdn1.iconfinder.com/data/icons/iconsweets2/40/timer.png
  5. // @include     *youtube.com*
  6. // @version     1.01
  7. // @description Shows Youtube video length in hours, minutes, and seconds
  8. // ==/UserScript==
  9.  
  10. function ShowRunningTime(e){
  11.   if (window.self != window.top) return;
  12.   var emb = document.querySelector('#movie_player');
  13.   if (!emb){
  14.     window.setTimeout(ShowRunningTime, 250); // doesn't work??
  15.     return;
  16.   }
  17.   var fvars = emb.getAttribute("flashvars");
  18.   fvars = fvars.substr(fvars.indexOf("length_seconds=") + "length_seconds=".length);
  19.   var trt = fvars.split("&")[0];
  20.   var vidtitle = document.getElementById("watch-headline-title");
  21.   if (trt > 0 && vidtitle){
  22.     var min = Math.floor(parseInt(trt)/60);
  23.     var sec = parseInt(trt) - (min * 60);
  24.     vidtitle.appendChild(document.createTextNode(" (runtime: " + min + ":" + sec + ")"));
  25.   }
  26. }
  27. ShowRunningTime();