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CDROM_TOC_FULL_TOC_DATA_BLOCK structure (ntddcdrm.h)

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The CDROM_TOC_FULL_TOC_DATA_BLOCK structure contains track descriptor data used in conjunction with the data from the CDROM_TOC_FULL_TOC_DATA structure.

Syntax

typedef struct _CDROM_TOC_FULL_TOC_DATA_BLOCK {
  UCHAR SessionNumber;
  UCHAR Control : 4;
  UCHAR Adr : 4;
  UCHAR Reserved1;
  UCHAR Point;
  UCHAR MsfExtra[3];
  UCHAR Zero;
  UCHAR Msf[3];
} CDROM_TOC_FULL_TOC_DATA_BLOCK, *PCDROM_TOC_FULL_TOC_DATA_BLOCK;

Members

SessionNumber

Contains the number of the session that the track belongs to.

Control

Indicates the attributes of the track. Can be a combination of the following values.

Attribute Description
AUDIO_WITH_PREEMPHASIS Two audio channels with preemphasis of 50/15 microseconds have been added.
DIGITAL_COPY_PERMITTED Digital copying is allowed.
AUDIO_DATA_TRACK The track contains nonaudio data.
TWO_FOUR_CHANNEL_AUDIO The track contains four channels of audio data.

Adr

Indicates the type of information encoded in the Q subchannel of the block where this table of contents entry was found. Can be one of the following values.

Type Description
ADR_NO_MODE_INFORMATION Q subchannel mode information not supplied.
ADR_ENCODES_CURRENT_POSITION Q subchannel encodes current position data.
ADR_ENCODES_MEDIA_CATALOG Q subchannel encodes media catalog number.
ADR_ENCODES_ISRC Q subchannel encodes ISRC.

Reserved1

Reserved.

Point

Defines various types of information within the table of contents lead-in area. For information about the permissible values for this member, see specification T10/1363-D, by National Committee for Information Technology Standards (NCITS).

MsfExtra[3]

See specification T10/1363-D, by National Committee for Information Technology Standards (NCITS) For information about the permissible values for this member.

Zero

Contains the value of the zero bit.

Msf[3]

Contains the minute, second, and frame. Msf[0] contains the minutes field. Msf[1] contains the seconds field, and Msf[2] contains the frames field. MSF is a format similar to logical block addressing.

Requirements

Requirement Value
Header ntddcdrm.h (include Ntddcdrm.h)

See also

CDROM_READ_TOC_EX

CDROM_TOC_FULL_TOC_DATA

IOCTL_CDROM_READ_TOC_EX