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(
  KSRTAUDIO_HWREGISTER *Register
);

Parameters

Register

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

Return value

This method returns NTSTATUS which contains STATUS_SUCCESS if the call was successful. Otherwise, the function 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

   
Header portcls.h
IRQL PASSIVE_LEVEL

See also

IMiniPortWaveRTStream