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IAudioProcessingObjectRT::CalcInputFrames method (audioenginebaseapo.h)

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The CalcInputFrames method returns the number of input frames that an APO requires to generate a given number of output frames.

Syntax

UINT32 CalcInputFrames(
  UINT32 u32OutputFrameCount
);

Parameters

u32OutputFrameCount

This is a count of the number of output frames.

Return value

The CalcInputFrames method returns the number of input frames that are required to generate the given number of output frames.

Return code Description

Remarks

The CalcInputFrames method is called from a real-time processing thread. The implementation of this method must not touch paged memory and it should not call any system blocking routines.

Requirements

Requirement Value
Minimum supported client Available with Windows Vista and later versions of the Windows operating system.
Target Platform Universal
Header audioenginebaseapo.h
Library Audioenginebaseapo.idl
IRQL All levels