User`s manual

52 Programming Guide
OleCreatePropertyFrame(
NULL, // Parent window
0, // x (Reserved)
0, // y (Reserved)
FilterInfo.achName, // Caption for the
dialog box
1, // Number of filters
(IUnknown **)&m_pFilter, // Pointer to the filter
caGUID.cElems, // Number of property
pages
caGUID.pElems, // Pointer to property
page CLSIDs
0, // Locale identifier
0, // Reserved
NULL // Reserved
);
CoTaskMemFree(caGUID.pElems);
}
Use COM interfaces
Use the methods of the IAMVideoProvAmp interface of stan-
dard DirectShow Interface to retrieve or set the qualities of an
incoming video signal.
ADLINK Bt878 Crossbar
The ADLink Bt878 Crossbar filter implements an IAMCrossbar
interface. It routes signals from an analog or digital source to a
video capture filter.
The routing definition of PCI-MPG24 card is shown in the fol-
lowing figure: