1 /* GStreamer
2  * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
3  * Copyright (C) <2004> Thomas Vander Stichele <thomas at apestaart dot org>
4  *
5  * dp-private.h: private defines/macros for dataprotocol implementation
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Library General Public
9  * License as published by the Free Software Foundation; either
10  * version 2 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Library General Public License for more details.
16  *
17  * You should have received a copy of the GNU Library General Public
18  * License along with this library; if not, write to the
19  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
20  * Boston, MA 02110-1301, USA.
21  */
22 
23 #ifndef __GST_DP_PRIVATE_H__
24 #define __GST_DP_PRIVATE_H__
25 
26 #include <gst/gstbuffer.h>
27 #include <gst/gstevent.h>
28 #include <gst/gstcaps.h>
29 
30 G_BEGIN_DECLS
31 
32 /* FIXME: please make the dataprotocol format typefindable in new versions */
33 
34 /* accessor defines */
35 #define GST_DP_HEADER_MAJOR_VERSION(x)	((x)[0])
36 #define GST_DP_HEADER_MINOR_VERSION(x)  ((x)[1])
37 #define GST_DP_HEADER_FLAGS(x)          ((x)[2])
38 /* free byte here to align */
39 #define GST_DP_HEADER_PAYLOAD_TYPE(x)   GST_READ_UINT16_BE (x + 4)
40 #define GST_DP_HEADER_PAYLOAD_LENGTH(x) GST_READ_UINT32_BE (x + 6)
41 #define GST_DP_HEADER_TIMESTAMP(x)      GST_READ_UINT64_BE (x + 10)
42 #define GST_DP_HEADER_DURATION(x)       GST_READ_UINT64_BE (x + 18)
43 #define GST_DP_HEADER_OFFSET(x)         GST_READ_UINT64_BE (x + 26)
44 #define GST_DP_HEADER_OFFSET_END(x)     GST_READ_UINT64_BE (x + 34)
45 #define GST_DP_HEADER_BUFFER_FLAGS(x)   GST_READ_UINT16_BE (x + 42)
46 #define GST_DP_HEADER_DTS(x)            GST_READ_UINT64_BE (x + 44)
47 #define GST_DP_HEADER_CRC_HEADER(x)     GST_READ_UINT16_BE (x + 58)
48 #define GST_DP_HEADER_CRC_PAYLOAD(x)    GST_READ_UINT16_BE (x + 60)
49 
50 void gst_dp_dump_byte_array (guint8 *array, guint length);
51 
52 G_END_DECLS
53 
54 #endif /* __GST_DP_PRIVATE_H__ */
55