diff --git a/libs/gst/dataprotocol/dp-private.h b/libs/gst/dataprotocol/dp-private.h
--- /dev/null
@@ -0,0 +1,56 @@
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ * Copyright (C) <2004> Thomas Vander Stichele <thomas at apestaart dot org>
+ *
+ * dp-private.h: private defines/macros for dataprotocol implementation
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_DP_PRIVATE_H__
+#define __GST_DP_PRIVATE_H__
+
+#include <gst/gstdata.h>
+#include <gst/gstbuffer.h>
+#include <gst/gstevent.h>
+#include <gst/gstcaps.h>
+
+G_BEGIN_DECLS
+
+/* read the given type out of the byte buffer using glib conversion macros */
+#define GST_DP_GUINT16(x) GUINT16_FROM_BE (* (guint16 *) (x))
+#define GST_DP_GUINT32(x) GUINT32_FROM_BE (* (guint32 *) (x))
+#define GST_DP_GUINT64(x) GUINT64_FROM_BE (* (guint64 *) (x))
+
+/* accessor defines */
+#define GST_DP_HEADER_MAJOR_VERSION(x) ((x)[0])
+#define GST_DP_HEADER_MINOR_VERSION(x) ((x)[1])
+#define GST_DP_HEADER_FLAGS(x) ((x)[2])
+#define GST_DP_HEADER_PAYLOAD_TYPE(x) ((x)[3])
+#define GST_DP_HEADER_PAYLOAD_LENGTH(x) GST_DP_GUINT32 (x + 4)
+#define GST_DP_HEADER_TIMESTAMP(x) GST_DP_GUINT64 (x + 8)
+#define GST_DP_HEADER_DURATION(x) GST_DP_GUINT64 (x + 16)
+#define GST_DP_HEADER_OFFSET(x) GST_DP_GUINT64 (x + 24)
+#define GST_DP_HEADER_OFFSET_END(x) GST_DP_GUINT64 (x + 32)
+#define GST_DP_HEADER_CRC_HEADER(x) GST_DP_GUINT16 (x + 56)
+#define GST_DP_HEADER_CRC_PAYLOAD(x) GST_DP_GUINT16 (x + 58)
+
+void gst_dp_dump_byte_array (guint8 *array, guint length);
+
+G_END_DECLS
+
+#endif /* __GST_DP_PRIVATE_H__ */
+