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AVStream Driver Reference Information
68 ViewCast
Both devices, filters, and pins may have associated Properties. Properties are control parameters that
can be read from or written to the component. Some Property Pages are standard Windows DirectShow
pages. For example, the Property Page for an individual pin is a standard DirectShow page. The Video
Proc Amp and Video Decoder Pages are also DirectShow-standard. The rest are proprietary to the
Osprey driver.
As a user, you interact with Property through visual Property Sheets, Property Pages, or Property tabs
that are part of a tabbed dialog. A programmer can set properties directly from within the code of your
application, using either the standard DirectShow API or the custom Osprey extension API that is
available from ViewCast in a software development kit (SDK).