SUB_Q_MEDIA_CATALOG_NUMBER
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SUB_Q_MEDIA_CATALOG_NUMBER structure

The SUB_Q_MEDIA_CATALOG_NUMBER structure contains position information and is used in conjunction with the SUB_Q_CHANNEL_DATA structure.

Syntax


typedef struct _SUB_Q_MEDIA_CATALOG_NUMBER {
  SUB_Q_HEADER Header;
  UCHAR        FormatCode;
  UCHAR        Reserved[3];
  UCHAR        Reserved1  :7;
  UCHAR        Mcval  :1;
  UCHAR        MediaCatalog[15];
} SUB_Q_MEDIA_CATALOG_NUMBER, *PSUB_Q_MEDIA_CATALOG_NUMBER;

Members

Header

Indicates, among other things, the length of the Q subchannel data that was retrieved. See SUB_Q_HEADER for further details.

FormatCode

Should have a value of IOCTL_CDROM_MEDIA_CATALOG.

Reserved

Reserved.

Reserved1

Reserved.

Mcval

Indicates that the media catalog number (MCN) data is valid if set to 1; set to zero otherwise.

MediaCatalog

Contains the catalog number if Mcval is set to 1.

Requirements

Header

Ntddcdrm.h (include Ntddcdrm.h)

See also

IOCTL_CDROM_READ_Q_CHANNEL
CDROM_SUB_Q_DATA_FORMAT
SUB_Q_CHANNEL_DATA
SUB_Q_HEADER

 

 

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