diff -r 000000000000 -r 6474c204b198 dom/webidl/MediaRecorder.webidl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/webidl/MediaRecorder.webidl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,50 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * The origin of this IDL file is
+ * https://dvcs.w3.org/hg/dap/raw-file/default/media-stream-capture/MediaRecorder.html
+ *
+ * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
+ * liability, trademark and document use rules apply.
+ */
+
+enum RecordingState { "inactive", "recording", "paused" };
+
+[Constructor(MediaStream stream, optional MediaRecorderOptions options)]
+interface MediaRecorder : EventTarget {
+
+  readonly attribute MediaStream stream;
+
+  readonly attribute RecordingState state;
+
+  readonly attribute DOMString mimeType;
+
+  attribute EventHandler ondataavailable;
+
+  attribute EventHandler onerror;
+
+  attribute EventHandler onstop;
+
+  attribute EventHandler onwarning;
+
+  [Throws]
+  void start(optional long timeSlice);
+
+  [Throws]
+  void stop();
+
+  [Throws]
+  void pause();
+
+  [Throws]
+  void resume();
+
+  [Throws]
+  void requestData();
+};
+
+dictionary MediaRecorderOptions {
+  DOMString mimeType = ""; // Default encoding mimeType.
+};