IMFSinkWriterEx::GetTransformForStream method

Gets a pointer to a Media Foundation transform (MFT) for a specified stream.

Syntax


HRESULT GetTransformForStream(
  [in]   DWORD dwStreamIndex,
  [in]   DWORD dwTransformIndex,
  [out]  GUID *pGuidCategory,
  [out]  IMFTransform **ppTransform
);

Parameters

dwStreamIndex [in]

The zero-based index of a stream.

dwTransformIndex [in]

The zero-based index of the MFT to retreive.

pGuidCategory [out]

Receives a pointer to a GUID that specifies the category of the MFT. For a list of possible values, see MFT_CATEGORY.

ppTransform [out]

Receives a pointer to the IMFTransform interface of the MFT. The caller must release the interface.

Return value

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

Requirements

Minimum supported client

Windows 8 [desktop apps | Windows Store apps]

Minimum supported server

Windows Server 2012 [desktop apps | Windows Store apps]

Header

Mfreadwrite.h

See also

IMFSinkWriterEx

 

 

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