IMiniportWaveRTStream::GetPositionRegister

IMiniportWaveRTStream::GetPositionRegister method

The GetPositionRegister method retrieves the information that the port driver requires to expose the position register to the audio subsystem and its clients.

Syntax


NTSTATUS GetPositionRegister(
  [out] KSRTAUDIO_HWREGISTER *Register
);

Parameters

Register [out]

Output pointer to a KSRTAUDIO_HWREGISTER structure that describes the register mapping.

Return value

GetPositionRegister returns a status value of STATUS_SUCCESS if the call was successful. Otherwise, the method returns an appropriate error status code.

Remarks

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

Requirements

Target platform

Universal

Version

Available in Windows Vista and later Windows operating systems.

Header

Portcls.h

IRQL

Passive level.

See also

KSRTAUDIO_HWREGISTER
KSPROPERTY_RTAUDIO_POSITIONREGISTER

 

 

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