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IMFTransform::GetInputStreamAttributes method

Gets the attribute store for an input stream on this Media Foundation transform (MFT).

Syntax


HRESULT GetInputStreamAttributes(
  [in]  DWORD         dwInputStreamID,
  [out] IMFAttributes **ppAttributes
);

Parameters

dwInputStreamID [in]

Input stream identifier. To get the list of stream identifiers, call IMFTransform::GetStreamIDs.

ppAttributes [out]

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

Return value

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

Return codeDescription
S_OK

The method succeeded.

E_NOTIMPL

The MFT does not support input stream attributes.

MF_E_INVALIDSTREAMNUMBER

Invalid stream identifier.

 

Remarks

Implementation of this method is optional unless the MFT needs to support a particular set of attributes.

To get the attribute store for the entire MFT, call IMFTransform::GetAttributes.

Requirements

Minimum supported client

Windows Vista [desktop apps | UWP apps]

Minimum supported server

Windows Server 2008 [desktop apps | UWP apps]

Header

Mftransform.h

Library

Mfuuid.lib

See also

IMFTransform
Transform Attributes
Media Foundation Transforms

 

 

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