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ISpatialAudioMetadataClient::GetSpatialAudioMetadataItemsBufferLength method (spatialaudiometadata.h)

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Gets the length of the buffer required to store the specified number of spatial audio metadata items. Use this method to determine the correct buffer size to use when attaching caller-provided memory through the ISpatialAudioMetadataItemsBuffer interface.

Syntax

HRESULT GetSpatialAudioMetadataItemsBufferLength(
  [in]  UINT16 maxItemCount,
  [out] UINT32 *bufferLength
);

Parameters

[in] maxItemCount

The maximum number of metadata items to be stored in an ISpatialAudioMetadataItems object.

[out] bufferLength

The length of the buffer required to store the number of spatial audio metadata items specified in the maxItemCount parameter.

Return value

If the method succeeds, it returns S_OK. If it fails, possible return codes include, but are not limited to, the values shown in the following table.

Return code Description
E_INVALIDARG
 The provided pointer is not valid.

The value of maxItemCount or frameCount is 0.

Requirements

Requirement Value
Target Platform Windows
Header spatialaudiometadata.h

See also

ISpatialAudioMetadataClient