// ksmedia.h

typedef struct _KSAUDIOMODULE_DESCRIPTOR {
  GUID  ClassId;
  ULONG InstanceId;
  ULONG VersionMajor;
  ULONG VersionMinor;
  WCHAR Name[AUDIOMODULE_MAX_NAME_CCH_SIZE];
} KSAUDIOMODULE_DESCRIPTOR, *PKSAUDIOMODULE_DESCRIPTOR;
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Windows Driver Kit DDI reference (ns-ksmedia-_ksaudiomodule_descriptor)

_KSAUDIOMODULE_DESCRIPTOR structure

Description

The KSAUDIOMODULE_DESCRIPTOR structure describes the static, external properties of audio modules.

Members

`ClassId`

The ClassId of the audio module. The ClassId is an identifier that establishes what type of module this is. The value and mapping is established by the ISV and IHV.

`InstanceId`

The InstanceId of the audio module. The InstanceId is a unique identifier that distinguishes this instance of a module from another instance of a module.

`VersionMajor`

The major version of the audio module. Usage is defined by the implementer.

`VersionMinor`

The minor version of the audio module. Usage is defined by the implementer.

`Name`

The friendly name of the audio module. The maximum length is AUDIOMODULE_MAX_NAME_CCH_SIZE wide characters. It is defined as 128 in KSMedia.h.

Remarks

For more information about audio modules, see Implementing Audio Module Discovery.

KSAUDIOMODULE_DESCRIPTOR - NtDoc