Added ndr.de HD button.

video/ndr_hd_button.user.js

@@ -0,0 +1,57 @@
+// ==UserScript==
+// @name           ndr.de HD button
+// @description    Adds a download-button for the HD-version of the video.
+// @description:de Fügt einen download-button für die HD-version des videos hinzu.
+// @version        2019.06.14.1
+// @author         tastytea
+// @copyright      2019, tastytea (https://tastytea.de/)
+// @license        GPL-3.0-only
+// @namespace      tastytea.de
+// @homepageURL    https://schlomp.space/tastytea/userscripts
+// @supportURL     https://schlomp.space/tastytea/userscripts/issues
+// @downloadURL    https://schlomp.space/tastytea/userscripts/raw/branch/main/video/ndr_hd_button.user.js
+// @grant          none
+// @match          https://*.ndr.de/*
+// @run-at         document-end
+// @inject-into    content
+// ==/UserScript==
+
+function get_video_url()
+{
+    const element = document.querySelector('[itemprop=contentUrl]');
+    return element.getAttribute("content").replace("hq.mp4", "hd.mp4");
+}
+
+function add_button(parent, url)
+{
+    const button = document.createElement("a");
+    button.setAttribute("class", "button download");
+    button.setAttribute("href", url);
+
+    const spanshine = document.createElement("span");
+    spanshine.setAttribute("class", "buttonshine");
+    button.appendChild(spanshine);
+
+    const spandl = document.createElement("span");
+    spandl.setAttribute("class", "icon icon_download");
+    button.appendChild(spandl);
+
+    button.appendChild(document.createTextNode("Download HD"));
+
+    parent.appendChild(button);
+}
+
+function main()
+{
+    const functions = document.getElementsByClassName("functions");
+    if (functions.length > 0)
+    {
+        const url = get_video_url();
+        if (url !== "")
+        {
+            add_button(functions[0], url);
+        }
+    }
+}
+
+main();