IVMRAspectRatioControl interface

The IVMRAspectRatioControl interface controls whether the Video Mixing Renderer Filter 7 (VMR-7) preserves the aspect ratio of the source video. This interface is available when the VMR-7 is operating in either windowed or windowless modes. In windowless mode, the same functionality is provided by the IVMRWindowlessControl interface.

Inheritance

The IVMRAspectRatioControl interface inherits from the IUnknown interface. IVMRAspectRatioControl also has these types of members:

Methods

The IVMRAspectRatioControl interface has these methods.

Method Description
IVMRAspectRatioControl::GetAspectRatioMode The GetAspectRatioMode method queries whether the VMR will preserve the aspect ratio of the source video.
IVMRAspectRatioControl::SetAspectRatioMode The SetAspectRatioMode method specifies whether the VMR will preserve the aspect ratio of the source video.

Requirements

   
Minimum supported client Windows XP with SP1 [desktop apps only]
Minimum supported server Windows Server 2003 [desktop apps only]
Target Platform Windows
Header strmif.h (include Dshow.h)

See also

Using the Video Mixing Renderer