The LEAD ISO Media Source can be used in any media foundation topology by two different methods. The method used depends on whether the LEAD Media Foundation toolkit is being used.
Call IltmfPlay::SetPreferredMediaSourceHandler or IltmfConvert::SetPreferredMediaSourceHandler to select the preferred media source handler.
Specifically, to select the LEAD ISO Media source handler call these methods with the MediaSourceHandlerType parameter set to ltmfPlay_PreferredMediaSourceHandler_ISO
or tmfConvert_PreferredMediaSourceHandler_ISO
. The Val parameter should be set to ltmfMediaSourceHandler_LEADDefault
or ltmfMediaSourceHandler_LEAD_ISO
.
HKEY_LOCAL_MACHINE
key. If the media extension is available, then the GUID of the LEAD ISO Media Source handler should be there.