VMR_ASPECT_RATIO_MODE Enumeration

The VMR_ASPECT_RATIO_MODE enumeration type is used with the IVMRWindowlessControl::GetAspectRatioMode and IVMRWindowlessControl::SetAspectRatioMode methods to set and retrieve the aspect ratio mode.

Requirements

Requires Microsoft® Windows® XP.

Syntax

enum VMR_ASPECT_RATIO_MODE{
  VMR_ARMODE_NONE,
  VMR_ARMODE_LETTER_BOX  
};

Elements

VMR_ARMODE_NONE

Indicates that the VMR is not attempting to maintain the aspect ratio of the source video.

VMR_ARMODE_LETTER_BOX

Indicates that the VMR will maintain the aspect ratio of the source video by letterboxing within the output rectangle.

See Also

• DirectShow Structures
• IVMRSurfaceAllocator::AllocateSurface