IBasicVideo2 interface (control.h)
IBasicVideo2 interface extends the IBasicVideo interface. The Video Renderer filter and Video Mixing Renderer filters implement this interface, but the interface is exposed to applications through the Filter Graph Manager. Applications should always retrieve this interface from the Filter Graph Manager.
The IBasicVideo2 interface inherits from IBasicVideo. IBasicVideo2 also has these types of members:
The IBasicVideo2 interface has these methods.
The GetPreferredAspectRatio method retrieves the preferred aspect ratio.
|Minimum supported client||Windows 2000 Professional [desktop apps only]|
|Minimum supported server||Windows 2000 Server [desktop apps only]|
|Header||control.h (include Dshow.h)|