CDROM_TOC_CD_TEXT_DATA_BLOCK structure (ntddcdrm.h)
This structure contains CD text descriptor data used in conjunction with the data in the CDROM_TOC_CD_TEXT_DATA structure.
Syntax
typedef struct _CDROM_TOC_CD_TEXT_DATA_BLOCK {
UCHAR PackType;
UCHAR TrackNumber : 7;
UCHAR ExtensionFlag : 1;
UCHAR SequenceNumber;
UCHAR CharacterPosition : 4;
UCHAR BlockNumber : 3;
UCHAR Unicode : 1;
union {
UCHAR Text[12];
WCHAR WText[6];
};
UCHAR CRC[2];
} CDROM_TOC_CD_TEXT_DATA_BLOCK, *PCDROM_TOC_CD_TEXT_DATA_BLOCK;
Members
PackType
Indicates the type of pack data, as follows:
| Type | Description |
|---|---|
| CDROM_CD_TEXT_PACK_ALBUM_NAME | Title of album or track. |
| CDROM_CD_TEXT_PACK_PERFORMER | Names of the performers (in ASCII). |
| CDROM_CD_TEXT_PACK_SONGWRITER | Names of the songwriters (in ASCII). |
| CDROM_CD_TEXT_PACK_COMPOSER | Names of the composers (in ASCII). |
| CDROM_CD_TEXT_PACK_ARRANGER | Names of the arrangers (in ASCII). |
| CDROM_CD_TEXT_PACK_MESSAGES | Messages from content provider and/or artist (in ASCII). |
| CDROM_CD_TEXT_PACK_DISC_ID | Disc identification information. |
| CDROM_CD_TEXT_PACK_GENRE | Genre identification and information. |
| CDROM_CD_TEXT_PACK_TOC_INFO | Table of contents information. |
| CDROM_CD_TEXT_PACK_TOC_INFO2 | Second table of contents information. |
| CDROM_CD_TEXT_PACK_UPC_EAN | UPC/EAN code of the album and ISRC code of each track. |
| CDROM_CD_TEXT_PACK_SIZE_INFO | Size information for the block. |
TrackNumber
See specification T10/1363-D, by National Committee for Information Technology Standards (NCITS) For information about the permissible values for this member.
ExtensionFlag
Must be set to zero.
SequenceNumber
See specification T10/1363-D, by National Committee for Information Technology Standards (NCITS) For information about the permissible values for this member.
CharacterPosition
See specification T10/1363-D, by National Committee for Information Technology Standards (NCITS) For information about the permissible values for this member.
BlockNumber
See specification T10/1363-D, by National Committee for Information Technology Standards (NCITS) For information about the permissible values for this member.
Unicode
Indicates, when set to 1, that the text is stored in Unicode format.
Text[12]
Contains text descriptor data in the form of 8-bit ASCII characters.
WText[6]
Contains text descriptor data in the form of 16-bit (wide) characters.
CRC[2]
Contains the cyclic redundancy check.
Requirements
| Requirement | Value |
|---|---|
| Header | ntddcdrm.h (include Ntddcdrm.h) |