IXAPO interface

The interface for an Audio Processing Object which be used in an XAudio2 effect chain.

Members

The IXAPO interface inherits from the IUnknown interface. IXAPO also has these types of members:

The IXAPO interface has these methods.

Method	Description
AddRef	Increments the XAPO object's reference count.
CalcInputFrames	Returns the number of input frames required to generate the given number of output frames.
CalcOutputFrames	Returns the number of output frames that will be generated from a given number of input frames.
GetRegistrationProperties	Returns the registration properties of an XAPO.
Initialize	Performs any effect-specific initialization.
IsInputFormatSupported	Queries if a specific input format is supported for a given output format.
IsOutputFormatSupported	Queries if a specific output format is supported for a given input format.
LockForProcess	Called by XAudio2 to lock the input and output configurations of an XAPO allowing it to do any final initialization before Process is called on the realtime thread.
Process	Runs the XAPO's digital signal processing (DSP) code on the given input and output buffers.
QueryInterface	Retrieves the requested interface pointer if the XAPO supports it.
Release	Decrements the XAPO object's reference count and deletes the object if the reference count falls to zero.
Reset	Resets variables dependent on frame history.
UnlockForProcess	Deallocates variables that were allocated with the LockForProcess method.

Windows 10 (XAudio2.9); Windows 8, Windows Phone 8 (XAudio 2.8); DirectX SDK (XAudio 2.7)

Header	XAPO.h