// ksmedia.h

typedef struct tagKSCAMERA_EXTENDEDPROP_FIELDOFVIEW2_CONFIGCAPS {
  WORD  DefaultDiagonalFieldOfViewInDegrees;
  WORD  DiscreteFoVStopsCount;
  WORD  DiscreteFoVStops[360];
  ULONG Reserved;
} KSCAMERA_EXTENDEDPROP_FIELDOFVIEW2_CONFIGCAPS, *PKSCAMERA_EXTENDEDPROP_FIELDOFVIEW2_CONFIGCAPS;
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Windows Driver Kit DDI reference (ns-ksmedia-kscamera_extendedprop_fieldofview2_configcaps)

Description

The KSCAMERA_EXTENDEDPROP_FIELDOFVIEW2_CONFIGCAPS structure defines the configuration capabilities of a camera's field of view (FoV).

Members

`DefaultDiagonalFieldOfViewInDegrees`

This is the default diagonal field of view in degrees. The DefaultDiagonalFieldOfViewInDegrees value must be equal to one of the values provided in the DiscreteFoVStops array.

`DiscreteFoVStopsCount`

This is a count of valid FoVStops in the DiscreteFoVStops[360] array, with value between 1 and 360. The array has room for maximum of 360 FoV values, but not all of them need to be populated.

For example, if three FoV values are supported: 110, 90, and 75 degrees

DiscreteFoVStopsCount = 3,
DiscreteFoVStops[0] = 110,
DiscreteFoVStops[1] = 90,
DiscreteFoVStops[2] = 75
DiscreteFoVStops[3] = 0 (not populated)
...
DiscreteFoVStops[359] = 0 (not populated)

`DiscreteFoVStops[360]`

This is an array of discrete FoV stops. Each element in the array represents a specific field of view setting in degrees. The values are populated in descending order.

`Reserved`

Reserved. Set to 0.

KSCAMERA_EXTENDEDPROP_FIELDOFVIEW2_CONFIGCAPS - NtDoc