Type

Property name

Description

VARIANT_BOOL

Enabled

Enables or disables the effect. If set to VARIANT_FALSE, the filter will pass the video samples intact.

VARIANT_BOOL

FirstFrameIsReference   

Enables or disables setting the first frame in every play session as the reference frame. If this is VARIANT_TRUE, the first frame in every play session will be set as the reference frame (Usually the first frame in a movie).

Long

Threshold

Value used to control an object's detection level. A lower threshold provides stronger object detection. Range: 1 to 100.

Long

Brightness

Value used to control the amount of the intensity.

The intensity ranges from -1000 to 1000. A positive value increases (or lightens) the brightness of the bitmap image. A negative value decreases (or darkens) the brightness of the bitmap image.

Method

Parameters

Description

SetReferenceFrame

byte* pBuffer, [in] long lRGBColor, [in] REFERENCE_FRAME opt

Sets the reference frame of the movie.

Parameters

Description

pBuffer

Buffer contains the reference frame. This buffer should have the same dimensions (width and height), and the same bits per pixel as the movie.

lRGBColor

Pixel color (RGB 24-bit). The reference frame will be set as a solid frame with the color specified in this parameter.

Opt

Flag that controls the reference frame. Possible values are:

Value

Meaning

REF_USEBUFFER

only the pBuffer member is used.

REF_USENEXTFRAME

the next frame in the movie is taken as the reference frame.

REF_USECOLOR

the lRGBColor parameter is used.