IStreamControl
IStreamControl – it creates object for controlling of media streams by the next methods:
HRESULT getCollectionOfStreamControlNodeFactories( BSTR* aPtrPtrXMLstring) - get collection of stream control nodes in XML form (StreamControlXMLDocument), where aPtrPtrXMLstring is pointer on created string.
HRESULT createStreamControlNodeFactory( REFIID aREFIID, IUnknown** aPtrPtrStreamControlNodeFactory) - create a stream control node factory, where aREFIID is IID of stream control factory interface (ISpreaderNodeFactory), aPtrPtrStreamControlNodeFactory is pointer on created object.