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+// ==UserScript==
+// @name         SE Lecture optimizer
+// @namespace    http://tampermonkey.net/
+// @version      1.0
+// @date         2020-04-25
+// @description  Removes the autoplay and autobuffer from the videos of the SE Lecture page. So no more loading of 20 videos simultaniously to watch 1 video.
+// @author       Leonard Kugis
+// @homepage     https://collaborating.tuhh.de/cev7691/SELectureOptimizer
+// @match        https://media.tuhh.de/e16/Lecture-SE/
+// @grant        none
+// ==/UserScript==
+
+(function() {
+    var videos = Array.from(document.getElementsByTagName("video"));
+    for(var i = 0; i < videos.length; i++) {
+        videos[i].pause(0);
+        var src = videos[i].src;
+        videos[i].removeAttribute("src");
+        videos[i].load();
+        var old = videos[i];
+        videos[i] = document.createElement("video");
+        videos[i].setAttribute("preload", "none");
+        videos[i].setAttribute("controls", "");
+        videos[i].setAttribute("src", src);
+        old.parentNode.replaceChild(videos[i], old);
+    }
+})();