IMiniportWaveRTStream::GetHWLatency method

The GetHWLatency method retrieves information about sources of stream latency in the audio hardware.

Syntax


VOID GetHWLatency(
  [out] KSRTAUDIO_HWLATENCY *hwLatency
);

Parameters

hwLatency [out]

A pointer to a KSRTAUDIO_HWLATENCY structure into which the driver writes the hardware latency parameters.

Return value

None

Remarks

The port driver calls this method in response to a KSPROPERTY_RTAUDIO_HWLATENCY property request from a client.

For more information about the sources of hardware latency in an audio stream, see the Stream Latency during Playback and Stream Latency during Recording topics.

Requirements

Target platform

Universal

Version

Available in Windows Vista and later Windows operating systems.

Header

Portcls.h

IRQL

Passive level

See also

KSPROPERTY_RTAUDIO_HWLATENCY
KSRTAUDIO_HWLATENCY

 

 

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