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.

Members

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

Methods

The IVMRAspectRatioControl interface has these methods.

MethodDescription
GetAspectRatioMode

Queries whether the VMR will preserve the aspect ratio of the source video.

SetAspectRatioMode

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]

Header

Strmif.h (include Dshow.h)

Library

Strmiids.lib

See also

Using the Video Mixing Renderer

 

 

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