FEATURE_DATA_CD_AUDIO_ANALOG_PLAY structure (ntddmmc.h)
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) |