VMR9ProcAmpControlRange Structure

The VMR9ProcAmpControlRange structure specifies the valid range for an image adjustment property. The range depends on the graphics device driver. This structure is used with the Video Mixing Renderer 9 Filter (VMR-9).

Syntax

typedef struct _VMR9ProcAmpControlRange
{
    DWORD                    dwSize;
    VMR9ProcAmpControlFlags  dwProperty; 
    float                    MinValue;
    float                    MaxValue;
    float                    DefaultValue;
    float                    StepSize;
} VMR9ProcAmpControlRange;

Members

dwSize

Size of the structure, in bytes. The caller must set this field.

dwFlags

Specifies the image adjustment property to query, as a member of the VMR9ProcAmpControlFlags enumeration. The caller should set this field.

MaxValue

Specifies the maximum value for the property. The driver sets this field.

MinValue

Specifies the minimum value for the property. The driver sets this field.

DefaultValue

Specifies the default value for the property. The default value is the value that does not alter the image. The driver sets this field.

StepSize

Specifies the valid increments from MinValue to MaxValue. The driver sets this field.

See Also

• DirectShow Structures
• IVMRMixerControl9::GetProcAmpControlRange