[appendix]
== Data Types

This appendix enumerates all known data types that may appear within a data block or be referenced by a deduplication table.
These types represent user data, media metadata, or sector-level tags.

NOTE: This table is not exhaustive.
The most current and authoritative list is always maintained in the `libaaruformat` source.

[cols="1,4",options="header"]
|===
|Value |Data Type

|0  |No data
|1  |User data
|2  |CompactDisc partial Table of Contents
|3  |CompactDisc session information
|4  |CompactDisc Table of Contents
|5  |CompactDisc Power Management Area
|6  |CompactDisc Absolute Time in Pregroove
|7  |CompactDisc Lead-in’s CD-Text
|8  |DVD Physical Format Information
|9  |DVD Lead-in’s Copyright Management Information
|10 |DVD Disc Key
|11 |DVD Burst Cutting Area
|12 |DVD DMI
|13 |DVD Media Identifier
|14 |DVD Media Key Block
|15 |DVD-RAM Disc Definition Structure
|16 |DVD-RAM Medium Status
|17 |DVD-RAM Spare Area Information
|18 |DVD-R RMD
|19 |DVD-R Pre-recorded Information
|20 |DVD-R Media Identifier
|21 |DVD-R Physical Format Information
|22 |DVD ADress In Pregroove
|23 |HD DVD Copy Protection Information
|24 |HD DVD Medium Status
|25 |DVD DL Layer Capacity
|26 |DVD DL Middle Zone Address
|27 |DVD DL Jump Interval Size
|28 |DVD DL Manual Layer Jump LBA
|29 |Blu-ray Disc Information
|30 |Blu-ray Burst Cutting Area
|31 |Blu-ray Disc Definition Structure
|32 |Blu-ray Cartridge Status
|33 |Blu-ray Spare Area Information
|34 |AACS Volume Identifier
|35 |AACS Serial Number
|36 |AACS Media Identifier
|37 |AACS Media Key Block
|38 |AACS Data Keys
|39 |AACS LBA Extents
|40 |CPRM Media Key Block
|41 |Hybrid disc recognized layers
|42 |MMC Write Protection
|43 |MMC Disc Information
|44 |MMC Track Resources Information
|45 |MMC Pseudo-OverWrite Resources Information
|46 |SCSI INQUIRY response
|47 |SCSI MODE PAGE 2Ah
|48 |ATA IDENTIFY response
|49 |ATAPI IDENTIFY response
|50 |PCMCIA CIS
|51 |SecureDigital CID
|52 |SecureDigital CSD
|53 |SecureDigital SCR
|54 |SecureDigital OCR
|55 |MultiMediaCard CID
|56 |MultiMediaCard CSD
|57 |MultiMediaCard OCR
|58 |MultiMediaCard Extended CSD
|59 |Xbox Security Sector
|60 |[.line-through]#Floppy Lead-out# *DEPRECATED*
|61 |DVD Disc Control Block
|62 |[.line-through]#CompactDisc First track negative pregap# *DEPRECATED*
|63 |[.line-through]#CompactDisc Lead-out# *DEPRECATED*
|64 |SCSI MODE SENSE(6) response
|65 |SCSI MODE SENSE(10) response
|66 |USB descriptors
|67 |Xbox Disc Manufacturer Information
|68 |Xbox Physical Format Information
|69 |CompactDisc sector prefix (sync, header)
|70 |CompactDisc sector suffix (EDC, ECC P, ECC Q)
|71 |CompactDisc subchannel
|72 |Apple Profile tag (20 bytes)
|73 |Apple Sony tag (12 bytes)
|74 |Priam Data Tower tag (24 bytes)
|75 |CompactDisc Media Catalogue Number
|76 |CompactDisc sector prefix (only incorrect ones stored)
|77 |CompactDisc sector suffix (only incorrect ones stored)
|78 |CompactDisc MODE 2 sector subheader
|79 |[.line-through]#CompactDisc Lead-in# *DEPRECATED*
|80 |DVD Disc Key (decrypted)
|81 |DVD CPI_MAI
|82 |DVD Title Key (decrypted)
|83 |DVD Identification Data (ID)
|84 |DVD ID Error Detection Code (IED)
|85 |DVD Error Detection Code (EDC)
|86 |DVD Error Correction Code (ECC) Parity of Inner Code (PI)
|87 |DVD Error Correction Code (ECC) Parity of Outer Code (PO)
|88 |DVD Physical Format Information for the second layer
