// ksmedia.h

typedef enum tagAUDIOLOOPBACK_TAPPOINT_TYPE {
  AUDIOLOOPBACK_TAPPOINT_PREVOLUMEMUTE,
  AUDIOLOOPBACK_TAPPOINT_POSTVOLUMEMUTE
} AUDIOLOOPBACK_TAPPOINT_TYPE;
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Windows Driver Kit DDI reference (ne-ksmedia-audioloopback_tappoint_type)

AUDIOLOOPBACK_TAPPOINT_TYPE enumeration (ksmedia.h)

Description

The AUDIOLOOPBACK_TAPPOINT_TYPE enum contains the pre and post tap point definitions.

Constants

`AUDIOLOOPBACK_TAPPOINT_PREVOLUMEMUTE`

The loopback stream tap point is returned before applying endpoint volume and mute.

`AUDIOLOOPBACK_TAPPOINT_POSTVOLUMEMUTE`

The loopback stream tap point is after applying endpoint volume and mute.

Remarks

The AUDIOLOOPBACK_TAPPOINT_TYPE enumeration is available starting in Windows 11 24H2.

The enum is used by KSPROPERTY_AUDIOLOOPBACK in the KSPROPSETID_AudioLoopback property set to indicate if the loopback tap point is pre or post volume and mute.

AUDIOLOOPBACK_TAPPOINT_TYPE - NtDoc