IMFCaptureSink::GetService method (mfcaptureengine.h)

Queries the underlying Sink Writer object for an interface.

Syntax

HRESULT GetService(
  [in]  DWORD    dwSinkStreamIndex,
  [in]  REFGUID  rguidService,
  [in]  REFIID   riid,
  [out] IUnknown **ppUnknown
);

Parameters

[in] dwSinkStreamIndex

The zero-based index of the stream to query. The index is returned in the pdwSinkStreamIndex parameter of the IMFCaptureSink::AddStream method.

[in] rguidService

A service identifier GUID. Currently, the value must be GUID_NULL.

[in] riid

A service identifier GUID. Currently, the value must be IID_IMFSinkWriter.

[out] ppUnknown

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

Return value

This method can return one of these values.

Requirements

See also

IMFCaptureSink