ROI_AREA structure (mfapi.h)

Defines a regions of interest.

Syntax

typedef struct _ROI_AREA {
  RECT  rect;
  INT32 QPDelta;
} ROI_AREA, *PROI_AREA;

rect

The bounds of the region.

QPDelta

Specifies the quantization parameter delta for the specified region from the rest of the frame.

Requirement	Value
Minimum supported client	Windows 8.1 [desktop apps \| UWP apps]
Minimum supported server	Windows Server 2012 R2 [desktop apps \| UWP apps]
Header	mfapi.h