Changelog Version 2.9.6.1 2026-07-21 Added embed disc meta into the ripped protected ISOs
Disc meta stores non-data area information, like the VID (Volume ID) of a Blu-ray disc. With this info, some applications can open the ISO, virtual drive programs can even simulate AACS or CSS protection.


| Disc Type | What information does disc meta include? |
|---|---|
|
BD |
VID |
| DVD DVD-A (CPPM) |
Disc Key (2048 bytes) CSS keys LayerBreak |
| CPRM |
MediaId |
| BDAV | VID |
| 4K BDAV | VID2 |
typedef struct _DISCMETA_ITEM {
DWORD Id;
DWORD Size; // big-endian
UCHAR Data[0];
} DISCMETA_ITEM;
#define DISCMETA_SIGNATURE 0x00 // 00 00 00 00 00 00 00 08 D I S C M E T A
// BD/UHD/HD-DVD - to emulate AACS protection
#define DISCMETA_VID '\0DIV' // VID
#define DISCMETA_VID2 '2DIV' // VID2
#define DISCMETA_PMSN 'NSMP' // PMSN
#define DISCMETA_RDK '\0KDR' // RDK
// DVD - to emulate CSS protection
#define DISCMETA_DISCKEYS 'YEKD' // DKEY
#define DISCMETA_TITLEKEYS 'YEKT' // TKEY
#define DISCMETA_LAYERBREAK 'KRBL' // LBRK
#define DISCMETA_CPXM_MEDIAID 'DIMX' // XMID
#define DISCMETA_CPXM_MEDIAKEY '\0KMX' // XMK
#define DISCMETA_CPXM_KEY 'YEKX' // XKEY
#define DISCMETA_CPRM_MKB 'BKMR' // RMKB