// ntddmmc.h

typedef struct _FEATURE_DATA_CD_READ {
  FEATURE_HEADER Header;
  UCHAR          CDText : 1;
  UCHAR          C2ErrorData : 1;
  UCHAR          Reserved01 : 5;
  UCHAR          DigitalAudioPlay : 1;
  UCHAR          Reserved2[3];
} FEATURE_DATA_CD_READ, *PFEATURE_DATA_CD_READ;
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Windows Driver Kit DDI reference (ns-ntddmmc-_feature_data_cd_read)

_FEATURE_DATA_CD_READ structure

Description

The FEATURE_DATA_CD_READ structure contains information about the CD Read feature.

Members

`Header`

Contains a FEATURE_HEADER structure with header information for this feature descriptor.

`CDText`

Indicates, when set to 1, that the device supports format code 0x05 of the READ/TOC/PMA/ATIP command, as defined in the SCSI Multimedia - 4 (MMC-4) specification. When set to zero, CD-Text is not supported.

`C2ErrorData`

Indicates, when set to 1, that the device supports the C2 error pointers as described in the MMC-3 specification. When set to zero, it indicates that the device does not support C2 error pointers.

`Reserved01`

`DigitalAudioPlay`

`Reserved2`

Reserved.

Remarks

This structure holds data for the feature named "CD Read" by the MMC-3 specification. Devices that support this feature can read CD-specific information from the media and can read user data from all types of CD blocks.

FEATURE_DATA_CD_READ - NtDoc