amazonprimevideo-give-me-html5-controls.js

// ==UserScript==
// @name         Amazon-Prime-Video-Give-Me-HTML5-Controls
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Remove annoying forced overlay and give back HTML5 Video Controls
// @author       David Bezemer
// @include      /^https://www\.(amazon|primevideo)\.com/.*$/
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    var interval = setInterval(function() {
          var videoPlayer = document.getElementsByTagName('video')[0];
          if (typeof(videoPlayer) != "undefined") {
            videoPlayer.onplaying = function() {
              console.log("Video is Playing, going HTML5 Fullscreen");
              var rendererContainer = document.getElementsByClassName("rendererContainer")[0];
              rendererContainer.setAttribute("style", "pointer-events: auto;");
              videoPlayer.requestFullscreen();
            };
          }
        // clearInterval(interval);
    }, 2000);

})();