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IMFTopologyServiceLookupClient::InitServicePointers method

Signals the mixer or presenter to query the enhanced video renderer (EVR) for interface pointers.

Syntax


HRESULT InitServicePointers(
  [in] IMFTopologyServiceLookup *pLookup
);

Parameters

pLookup [in]

Pointer to the IMFTopologyServiceLookup interface. To query the EVR for an interface, call IMFTopologyServiceLookup::LookupService.

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.

 

Remarks

The IMFTopologyServiceLookup pointer is guaranteed to be valid only during the call to InitServicePointers. The mixer or presenter should not store a pointer to this interface after the method returns.

When the EVR calls IMFTopologyServiceLookupClient::ReleaseServicePointers, the mixer or presenter should release any pointers it obtained from the EVR.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Evr.h

Library

Strmiids.lib

See also

IMFTopologyServiceLookupClient
How to Write an EVR Presenter

 

 

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