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IXAudio2Voice::SetFilterParameters method

Sets the voice's filter parameters.

Syntax


HRESULT SetFilterParameters(
  [in]  const XAUDIO2_FILTER_PARAMETERS *pParameters,
  [in]  UINT32 OperationSet = XAUDIO2_COMMIT_NOW
);

Parameters

pParameters [in]

Pointer to an XAUDIO2_FILTER_PARAMETERS structure containing the filter information.

OperationSet [in]

Identifies this call as part of a deferred batch. See the XAudio2 Operation Sets overview for more information.

Return value

Returns S_OK if successful, an error code otherwise. See XAudio2 Error Codes for descriptions of error codes.

Remarks

SetFilterParameters will fail if the voice was not created with the XAUDIO2_VOICE_USEFILTER flag.

This method is usable only on source and submix voices and has no effect on mastering voices.

Note  IXAudio2Voice::GetFilterParameters always returns this voice's actual current filter parameters. However, these may not match the parameters set by the most recent IXAudio2Voice::SetFilterParameters call: the actual parameters are only changed the next time the audio engine runs after the IXAudio2Voice::SetFilterParameters call (or after the corresponding IXAudio2::CommitChanges call, if IXAudio2Voice::SetFilterParameters was called with a deferred operation ID).

Platform Requirements

Windows 8, Windows Phone 8 (XAudio 2.8); DirectX SDK (XAudio 2.7)

Requirements

Header

Xaudio2.h

See also

IXAudio2Voice

 

 

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