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FEATURE_DATA_CD_AUDIO_ANALOG_PLAY structure (ntddmmc.h)

  • Article

The FEATURE_DATA_CD_AUDIO_ANALOG_PLAY structure holds information about the CD Audio External Play feature.

Syntax

typedef struct _FEATURE_DATA_CD_AUDIO_ANALOG_PLAY {
  FEATURE_HEADER Header;
  UCHAR          SeperateVolume : 1;
  UCHAR          SeperateChannelMute : 1;
  UCHAR          ScanSupported : 1;
  UCHAR          Reserved1 : 5;
  UCHAR          Reserved2;
  UCHAR          NumerOfVolumeLevels[2];
} FEATURE_DATA_CD_AUDIO_ANALOG_PLAY, *PFEATURE_DATA_CD_AUDIO_ANALOG_PLAY;

Members

Header

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

SeperateVolume

Indicates, when set to zero, that all audio channels have the same volume level. When set to 1, it indicates that the volume of each audio channel can be set separately.

SeperateChannelMute

Indicates, when set to zero, that all audio channels are muted simultaneously. When set to 1, it indicates that each audio channel can be muted independently.

ScanSupported

Indicates, when set to 1, that the SCAN command is supported. See the SCSI Multimedia 3 (MMC-3) specification for a description of the SCAN command.

Reserved1

Reserved.

Reserved2

Reserved.

NumerOfVolumeLevels[2]

Remarks

This structure holds data for the feature named "CD Audio External Play" by the MMC-3 specification. Devices that support this feature can play CD audio data and channel it directly to an external output.

Requirements

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

See also

FEATURE_HEADER

FEATURE_NUMBER