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MFWrapMediaType function

Creates a media type that wraps another media type.

Syntax


HRESULT MFWrapMediaType(
  IMFMediaType *pOrig,
  REFGUID MajorType,
  REFGUID SubType,
  IMFMediaType **ppWrap
);

Parameters

pOrig

A pointer to the IMFMediaType interface of the media type to wrap in a new media type.

MajorType

A GUID that specifies the major type for the new media type. For a list of possible values, see Major Media Types.

SubType

A GUID that specifies the subtype for the new media type. For possible values, see:

Applications can define custom subtype GUIDs.

ppWrap

Receives a pointer to the IMFMediaType interface of the new media type that wraps the original media type. The caller must release the interface.

Return value

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

Remarks

The original media type (pOrig) is stored in the new media type under the MF_MT_WRAPPED_TYPE attribute. To extract the original media type, call MFUnwrapMediaType.

This function is available on the following platforms if the Windows Media Format 11 SDK redistributable components are installed:

  • Windows XP with Service Pack 2 (SP2) and later.
  • Windows XP Media Center Edition 2005 with KB900325 (Windows XP Media Center Edition 2005) and KB925766 (October 2006 Update Rollup for Windows XP Media Center Edition) installed.

Windows Phone 8.1: This API is supported.

Requirements

Minimum supported client

Windows Vista [desktop apps | Windows Store apps]

Minimum supported server

Windows Server 2008 [desktop apps | Windows Store apps]

Header

Mfapi.h

Library

Mfplat.lib

DLL

Mfplat.dll

See also

Media Foundation Functions

 

 

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