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IMiniportWaveRTStream::GetPositionRegister method (portcls.h)

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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

Requirement Value
Header portcls.h
IRQL PASSIVE_LEVEL

See also

IMiniPortWaveRTStream