IMFSpatialAudioSample::GetSpatialAudioObjectByIndex method (mfspatialaudio.h)

Returns the spatial audio object, represented by an IMFSpatialAudioObjectBuffer object, corresponding to the specified index.

Syntax

HRESULT GetSpatialAudioObjectByIndex(
  DWORD                       dwIndex,
  IMFSpatialAudioObjectBuffer **ppAudioObjBuffer
);

dwIndex

A 32 bit variable with the 0-based index of the requested audio object.

ppAudioObjBuffer

A pointer to an IMFSpatialAudioObjectBuffer object in which the spatial audio object corresponding with the specified index will be stored.

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code	Description
S_OK	The method succeeded.
E_POINTER	The supplied pointer is invalid.

Requirement	Value
Minimum supported client	Windows 10, version 1703 [desktop apps only]
Minimum supported server	None supported
Target Platform	Windows
Header	mfspatialaudio.h (include Mfobjects.h)
Library	Mfobjects.lib