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)

See also

CDROM_READ_TOC_EX

CDROM_TOC_CD_TEXT_DATA

IOCTL_CDROM_READ_TOC_EX