Extensible Binary Meta Language (EBML)
2020-02-10
2023-07-13
EBML Element IDs
Dave Rice (primary), Steve Lhomme (backup), Moritz Bunkus (backup)
0x80-0xFE
RFC Required
0x407F-0x7FFE
Specification Required
0x203FFF-0x3FFFFE
First Come First Served
0x101FFFFF-0x1FFFFFFE
Specification Required or First Come First Served
Specification Required policy applies to four-octet Element IDs whose lower three octets
(as encoded) would make printable 7-bit ASCII values (0x20 to 0x7E, inclusive).
0x00-0x7F
Not valid for use as an Element ID
0x80-0xBE
Unassigned
0xBF
CRC-32
RFC8794, Section 11.3.1
0xC0-0xEB
Unassigned
0xEC
Void
RFC8794, Section 11.3.2
0xED-0xFE
Unassigned
0xFF
Reserved
0x0000-0x407E
Not valid for use as an Element ID
0x407F-0x4280
Unassigned
0x4281
DocTypeExtension
RFC8794, Section 11.2.9
0x4282
DocType
RFC8794, Section 11.2.6
0x4283
DocTypeExtensionName
RFC8794, Section 11.2.10
0x4284
DocTypeExtensionVersion
RFC8794, Section 11.2.11
0x4285
DocTypeReadVersion
RFC8794, Section 11.2.8
0x4286
EBMLVersion
RFC8794, Section 11.2.2
0x4287
DocTypeVersion
RFC8794, Section 11.2.7
0x4288-0x42F1
Unassigned
0x42F2
EBMLMaxIDLength
RFC8794, Section 11.2.4
0x42F3
EBMLMaxSizeLength
RFC8794, Section 11.2.5
0x42F4-0x42F6
Unassigned
0x42F7
EBMLReadVersion
RFC8794, Section 11.2.3
0x42F8-0x7FFE
Unassigned
0x7FFF
Reserved
0x8000-0xFFFF
Not valid for use as an Element ID
0x000000-0x203FFE
Not valid for use as an Element ID
0x203FFF-0x3FFFFE
Unassigned
0x3FFFFF
Reserved
0x400000-0xFFFFFF
Not valid for use as an Element ID
0x00000000-0x101FFFFE
Not valid for use as an Element ID
0x101FFFFF-0x1A45DFA2
Unassigned
0x1A45DFA3
EBML
RFC8794, Section 11.2.1
0x1A45DFA4-0x1FFFFFFE
Unassigned
0x1FFFFFFF
Reserved
0x20000000-0xFFFFFFFF
Not valid for use as an Element ID
0x0000000000-0x080FFFFFFE
Not valid for use as an Element ID
0x080FFFFFFF-0x0FFFFFFFFE
Reserved for Experimental Use
0x0FFFFFFFFF-0xFFFFFFFFFF
Not valid for use as an Element ID
EBML DocTypes
First Come First Served