// ksmedia.h

typedef struct _tagKSAUDIOENGINE_DESCRIPTOR {
  UINT nHostPinId;
  UINT nOffloadPinId;
  UINT nLoopbackPinId;
} KSAUDIOENGINE_DESCRIPTOR, *PKSAUDIOENGINE_DESCRIPTOR;
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Windows Driver Kit DDI reference (ns-ksmedia-_tagksaudioengine_descriptor)

_tagKSAUDIOENGINE_DESCRIPTOR structure

Description

The KSAUDIOENGINE_DESCRIPTOR structure describes the static, external properties of the audio engine.

Members

`nHostPinId`

Specifies the ID of the pin factory that is connected to the audio engine node that handles host-processed audio data. This is the pin factory on which a software audio engine will run.

`nOffloadPinId`

Specifies the ID of the pin factory that is connected to the audio engine node that handles offloaded streams.

`nLoopbackPinId`

Specifies the ID of the pin factory that is connected to the audio engine node that supplies a post-mix loopback or reference stream.

KSAUDIOENGINE_DESCRIPTOR - NtDoc