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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 |