Add support for tiddlers containing mp4 videos

core/modules/parsers/videoparser.js

@@ -0,0 +1,35 @@
+/*\
+title: $:/core/modules/parsers/videoparser.js
+type: application/javascript
+module-type: parser
+
+The video parser parses a video tiddler into an embeddable HTML element
+
+\*/
+(function(){
+
+/*jslint node: true, browser: true */
+/*global $tw: false */
+"use strict";
+
+var AudioParser = function(type,text,options) {
+	var element = {
+			type: "element",
+			tag: "video",
+			attributes: {
+				controls: {type: "string", value: "controls"}
+			}
+		},
+		src;
+	if(options._canonical_uri) {
+		element.attributes.src = {type: "string", value: options._canonical_uri};
+	} else if(text) {
+		element.attributes.src = {type: "string", value: "data:" + type + ";base64," + text};
+	}
+	this.tree = [element];
+};
+
+exports["video/mp4"] = AudioParser;
+
+})();
+