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1 /* GStreamer EBML I/O
2  * (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
3  *
4  * ebml-ids.h: definition of EBML data IDs
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public
17  * License along with this library; if not, write to the
18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  */
21 
22 #ifndef __GST_EBML_IDS_H__
23 #define __GST_EBML_IDS_H__
24 
25 #include <glib.h>
26 
27 G_BEGIN_DECLS
28 
29 /* EBML version supported */
30 #define GST_EBML_VERSION 1
31 
32 /* Unknown size (all bits set to 1) */
33 #define GST_EBML_SIZE_UNKNOWN          G_GINT64_CONSTANT(0x00ffffffffffffff)
34 
35 /* top-level master-IDs */
36 #define GST_EBML_ID_HEADER             0x1A45DFA3
37 
38 /* IDs in the HEADER master */
39 #define GST_EBML_ID_EBMLVERSION        0x4286
40 #define GST_EBML_ID_EBMLREADVERSION    0x42F7
41 #define GST_EBML_ID_EBMLMAXIDLENGTH    0x42F2
42 #define GST_EBML_ID_EBMLMAXSIZELENGTH  0x42F3
43 #define GST_EBML_ID_DOCTYPE            0x4282
44 #define GST_EBML_ID_DOCTYPEVERSION     0x4287
45 #define GST_EBML_ID_DOCTYPEREADVERSION 0x4285
46 
47 /* general EBML types */
48 #define GST_EBML_ID_VOID               0xEC
49 #define GST_EBML_ID_CRC32              0xBF
50 
51 /* EbmlDate offset from the unix epoch in nanoseconds, 2001/01/01 00:00:00 UTC */
52 #define GST_EBML_DATE_OFFSET           G_GINT64_CONSTANT (978307200000000000)
53 
54 G_END_DECLS
55 
56 #endif /* __GST_EBML_IDS_H__ */
57