VMR9AspectRatioMode enumeration

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The VMR9AspectRatioMode enumeration type is used with the IVMRWindowlessControl9::GetAspectRatioMode and IVMRWindowlessControl9::SetAspectRatioMode methods to set and retrieve the aspect ratio mode (VMR-9 only).

Syntax

typedef enum __MIDL___MIDL_itf_vmr9_0000_0004_0001 {
  VMR9ARMode_None,
  VMR9ARMode_LetterBox
} VMR9AspectRatioMode;

Constants

VMR9ARMode_None Indicates that the VMR is not attempting to maintain the aspect ratio of the source video.
VMR9ARMode_LetterBox Indicates that the VMR will maintain the aspect ratio of the source video by letterboxing within the output rectangle.

Requirements

   
Header vmr9.h

See also

DirectShow Enumerated Types