| 1 | /********** |
| 2 | This library is free software; you can redistribute it and/or modify it under |
| 3 | the terms of the GNU Lesser General Public License as published by the |
| 4 | Free Software Foundation; either version 3 of the License, or (at your |
| 5 | option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) |
| 6 | |
| 7 | This library is distributed in the hope that it will be useful, but WITHOUT |
| 8 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| 9 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for |
| 10 | more details. |
| 11 | |
| 12 | You should have received a copy of the GNU Lesser General Public License |
| 13 | along with this library; if not, write to the Free Software Foundation, Inc., |
| 14 | 51 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 | |
| 30 | class EBMLNumber { |
| 31 | public: |
| 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 | |
| 40 | public: |
| 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 | |
| 130 | class EBMLId: public EBMLNumber { |
| 131 | public: |
| 132 | EBMLId(); |
| 133 | virtual ~EBMLId(); |
| 134 | |
| 135 | char const* stringName() const; // used for debugging |
| 136 | }; |
| 137 | |
| 138 | class EBMLDataSize: public EBMLNumber { |
| 139 | public: |
| 140 | EBMLDataSize(); |
| 141 | virtual ~EBMLDataSize(); |
| 142 | }; |
| 143 | |
| 144 | #endif |
| 145 | |