diff -r 000000000000 -r 6474c204b198 media/libmkv/WebMElement.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/media/libmkv/WebMElement.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,38 @@
+// Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+//
+// Use of this source code is governed by a BSD-style license
+// that can be found in the LICENSE file in the root of the source
+// tree. An additional intellectual property rights grant can be found
+// in the file PATENTS.  All contributing project authors may
+// be found in the AUTHORS file in the root of the source tree.
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef MKV_CONTEXT_HPP
+#define MKV_CONTEXT_HPP 1
+
+#include "EbmlWriter.h"
+
+// these are helper functions
+void writeHeader(EbmlGlobal *ebml);
+void writeSegmentInformation(EbmlGlobal *ebml, EbmlLoc *startInfo, unsigned long timeCodeScale, double duration);
+// this function is a helper only, it assumes a lot of defaults
+void writeVideoTrack(EbmlGlobal *ebml, unsigned int trackNumber, int flagLacing,
+                     const char *codecId, unsigned int pixelWidth, unsigned int pixelHeight,
+                     unsigned int displayWidth, unsigned int displayHeight,
+                     double frameRate);
+void writeAudioTrack(EbmlGlobal *glob, unsigned int trackNumber, int flagLacing,
+                     const char *codecId, double samplingFrequency, unsigned int channels,
+                     unsigned char *private_, unsigned long privateSize);
+
+void writeSimpleBlock(EbmlGlobal *ebml, unsigned char trackNumber, short timeCode,
+                      int isKeyframe, unsigned char lacingFlag, int discardable,
+                      unsigned char *data, unsigned long dataLength);
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif