IAudioProcessingObjectRT::CalcOutputFrames method (audioenginebaseapo.h)

The CalcOutputFrames method returns the number of output frames that an APO requires for a given number of input frames.

Syntax

UINT32 CalcOutputFrames(
  [in] UINT32 u32InputFrameCount
);

Parameters

[in] u32InputFrameCount

This is a count of the number of input frames.

Return value

The CalcOutputFrames method returns the number of output frames that an APO will generate for a given number of input frames.

Return code Description

Remarks

The CalcOutputFrames method can be called form a real-time processing thread. The implementation of this method must not block or 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