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MFCreateAttributes function

Creates an empty attribute store.

Syntax


HRESULT MFCreateAttributes(
  _Out_ IMFAttributes **ppMFAttributes,
  _In_  UINT32        cInitialSize
);

Parameters

ppMFAttributes [out]

Receives a pointer to the IMFAttributes interface. The caller must release the interface.

cInitialSize [in]

The initial number of elements allocated for the attribute store. The attribute store grows as needed.

Return value

If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

Attributes are used throughout Microsoft Media Foundation to configure objects, describe media formats, query object properties, and other purposes. For more information, see Attributes in Media Foundation.

For a complete list of all the defined attribute GUIDs in Media Foundation, see Media Foundation Attributes.

Requirements

Minimum supported client

Windows Vista [desktop apps | Windows Store apps]

Minimum supported server

Windows Server 2008 [desktop apps | Windows Store apps]

Minimum supported phone

Windows Phone 8

Header

Mfapi.h

Library

Mfplat.lib

DLL

Mfplat.dll

See also

Attributes in Media Foundation
Media Foundation Functions

 

 

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