// acxelements.h

typedef enum _ACX_CONSTRICTOR_OPTION {
  AcxConstrictorOptionNone,
  AcxConstrictorOptionMute
} ACX_CONSTRICTOR_OPTION;
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Windows Driver Kit DDI reference (ne-acxelements-acx_constrictor_option)

Description

The ACX_CONSTRICTOR_OPTION enumeration defines the options for the loopback protection status of a stream audio engine node.

Constants

`AcxConstrictorOptionNone`

This is the default state for the loopback protection status of a stream. When all active streams are in this state it indicates that the loopback tap contains meaningful data.

`AcxConstrictorOptionMute`

When an active stream is in this state it indicates that the loopback tap for the audio output will emit silence.

Remarks

ACX requirements

Minimum ACX version: 1.0

For more information about ACX versions, see ACX version overview.

ACX_CONSTRICTOR_OPTION - NtDoc