1/**********
2This library is free software; you can redistribute it and/or modify it under
3the terms of the GNU Lesser General Public License as published by the
4Free Software Foundation; either version 3 of the License, or (at your
5option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
6
7This library is distributed in the hope that it will be useful, but WITHOUT
8ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
9FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
10more details.
11
12You should have received a copy of the GNU Lesser General Public License
13along with this library; if not, write to the Free Software Foundation, Inc.,
1451 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
15**********/
16// "liveMedia"
17// Copyright (c) 1996-2020 Live Networks, Inc. All rights reserved.
18// EBML numbers (ids and sizes)
19// C++ header
20
21#ifndef _EBML_NUMBER_HH
22#define _EBML_NUMBER_HH
23
24#include "NetCommon.h"
25#include "Boolean.hh"
26#include <stdio.h>
27
28#define EBML_NUMBER_MAX_LEN 8
29
30class EBMLNumber {
31public:
32 EBMLNumber(Boolean stripLeading1 = True);
33 virtual ~EBMLNumber();
34
35 u_int64_t val() const;
36 char* hexString() const; // used for debugging
37 Boolean operator==(u_int64_t arg2) const { return val() == arg2; }
38 Boolean operator!=(u_int64_t arg2) const { return !(*this == arg2); }
39
40public:
41 Boolean stripLeading1;
42 unsigned len;
43 u_int8_t data[EBML_NUMBER_MAX_LEN];
44};
45
46// Definitions of some Matroska/EBML IDs (including the ones that we check for):
47#define MATROSKA_ID_EBML 0x1A45DFA3
48#define MATROSKA_ID_VOID 0xEC
49#define MATROSKA_ID_CRC_32 0xBF
50#define MATROSKA_ID_SEGMENT 0x18538067
51#define MATROSKA_ID_SEEK_HEAD 0x114D9B74
52#define MATROSKA_ID_SEEK 0x4DBB
53#define MATROSKA_ID_SEEK_ID 0x53AB
54#define MATROSKA_ID_SEEK_POSITION 0x53AC
55#define MATROSKA_ID_INFO 0x1549A966
56#define MATROSKA_ID_SEGMENT_UID 0x73A4
57#define MATROSKA_ID_TIMECODE_SCALE 0x2AD7B1
58#define MATROSKA_ID_DURATION 0x4489
59#define MATROSKA_ID_DATE_UTC 0x4461
60#define MATROSKA_ID_TITLE 0x7BA9
61#define MATROSKA_ID_MUXING_APP 0x4D80
62#define MATROSKA_ID_WRITING_APP 0x5741
63#define MATROSKA_ID_CLUSTER 0x1F43B675
64#define MATROSKA_ID_TIMECODE 0xE7
65#define MATROSKA_ID_POSITION 0xA7
66#define MATROSKA_ID_PREV_SIZE 0xAB
67#define MATROSKA_ID_SIMPLEBLOCK 0xA3
68#define MATROSKA_ID_BLOCK_GROUP 0xA0
69#define MATROSKA_ID_BLOCK 0xA1
70#define MATROSKA_ID_BLOCK_DURATION 0x9B
71#define MATROSKA_ID_REFERENCE_BLOCK 0xFB
72#define MATROSKA_ID_TRACKS 0x1654AE6B
73#define MATROSKA_ID_TRACK_ENTRY 0xAE
74#define MATROSKA_ID_TRACK_NUMBER 0xD7
75#define MATROSKA_ID_TRACK_UID 0x73C5
76#define MATROSKA_ID_TRACK_TYPE 0x83
77#define MATROSKA_ID_FLAG_ENABLED 0xB9
78#define MATROSKA_ID_FLAG_DEFAULT 0x88
79#define MATROSKA_ID_FLAG_FORCED 0x55AA
80#define MATROSKA_ID_FLAG_LACING 0x9C
81#define MATROSKA_ID_MIN_CACHE 0x6DE7
82#define MATROSKA_ID_DEFAULT_DURATION 0x23E383
83#define MATROSKA_ID_TRACK_TIMECODE_SCALE 0x23314F
84#define MATROSKA_ID_MAX_BLOCK_ADDITION_ID 0x55EE
85#define MATROSKA_ID_NAME 0x536E
86#define MATROSKA_ID_LANGUAGE 0x22B59C
87#define MATROSKA_ID_CODEC 0x86
88#define MATROSKA_ID_CODEC_PRIVATE 0x63A2
89#define MATROSKA_ID_CODEC_NAME 0x258688
90#define MATROSKA_ID_CODEC_DECODE_ALL 0xAA
91#define MATROSKA_ID_VIDEO 0xE0
92#define MATROSKA_ID_FLAG_INTERLACED 0x9A
93#define MATROSKA_ID_PIXEL_WIDTH 0xB0
94#define MATROSKA_ID_PIXEL_HEIGHT 0xBA
95#define MATROSKA_ID_DISPLAY_WIDTH 0x54B0
96#define MATROSKA_ID_DISPLAY_HEIGHT 0x54BA
97#define MATROSKA_ID_DISPLAY_UNIT 0x54B2
98#define MATROSKA_ID_AUDIO 0xE1
99#define MATROSKA_ID_SAMPLING_FREQUENCY 0xB5
100#define MATROSKA_ID_OUTPUT_SAMPLING_FREQUENCY 0x78B5
101#define MATROSKA_ID_CHANNELS 0x9F
102#define MATROSKA_ID_BIT_DEPTH 0x6264
103#define MATROSKA_ID_CONTENT_ENCODINGS 0x6D80
104#define MATROSKA_ID_CONTENT_ENCODING 0x6240
105#define MATROSKA_ID_CONTENT_COMPRESSION 0x5034
106#define MATROSKA_ID_CONTENT_COMP_ALGO 0x4254
107#define MATROSKA_ID_CONTENT_COMP_SETTINGS 0x4255
108#define MATROSKA_ID_CONTENT_ENCRYPTION 0x5035
109#define MATROSKA_ID_ATTACHMENTS 0x1941A469
110#define MATROSKA_ID_ATTACHED_FILE 0x61A7
111#define MATROSKA_ID_FILE_DESCRIPTION 0x467E
112#define MATROSKA_ID_FILE_NAME 0x466E
113#define MATROSKA_ID_FILE_MIME_TYPE 0x4660
114#define MATROSKA_ID_FILE_DATA 0x465C
115#define MATROSKA_ID_FILE_UID 0x46AE
116#define MATROSKA_ID_CUES 0x1C53BB6B
117#define MATROSKA_ID_CUE_POINT 0xBB
118#define MATROSKA_ID_CUE_TIME 0xB3
119#define MATROSKA_ID_CUE_TRACK_POSITIONS 0xB7
120#define MATROSKA_ID_CUE_TRACK 0xF7
121#define MATROSKA_ID_CUE_CLUSTER_POSITION 0xF1
122#define MATROSKA_ID_CUE_BLOCK_NUMBER 0x5378
123#define MATROSKA_ID_TAGS 0x1254C367
124#define MATROSKA_ID_SEEK_PRE_ROLL 0x56BB
125#define MATROSKA_ID_CODEC_DELAY 0x56AA
126#define MATROSKA_ID_DISCARD_PADDING 0x75A2
127#define MATROSKA_ID_COLOR_SPACE 0x2EB524
128#define MATROSKA_ID_PRIMARIES 0x55BB
129
130class EBMLId: public EBMLNumber {
131public:
132 EBMLId();
133 virtual ~EBMLId();
134
135 char const* stringName() const; // used for debugging
136};
137
138class EBMLDataSize: public EBMLNumber {
139public:
140 EBMLDataSize();
141 virtual ~EBMLDataSize();
142};
143
144#endif
145