FrameBlend node

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This documentation is for version 2.0 of FrameBlend.

Description

Blend frames of the input clip.

If a foreground matte is connected, only pixels with a negative or zero foreground value are taken into account, so that the foreground is not mixed with the background.

The number of values used to compute each pixel can be output to the alpha channel.

Inputs

Input Description Optional
Source   No
Mask   Yes
FgM   Yes

Controls

Parameter / script name Type Default Function
Frame Range / frameRange Integer min: -5 max: 0 Range of frames which are to be blended together. Frame range is absolute if “absolute” is checked, else relative.
Absolute / absolute Boolean Off Use an absolute frame range. If the frame range is not animated or is not an expression, then all output images will be the same.
Input Range / inputRange Button   Set the frame range to the input range. This can be used, combined with a foreground matte, to produce a clean background plate.
Frame Interval / frameInterval Integer 1 Interval (in frames) between frames to process. 1 means to process every frame in the range. The first frame processed is the lower bound of the range. Can be used to reduce processing time or memory usage.
Operation / operation Choice Average
The operation used to compute the output image.
Average: Output is the average of selected frames.
Min: Output is the minimum of selected frames.
Max: Output is the maximum of selected frames.
Sum: Output is the sum/addition of selected frames.
Product: Output is the product/multiplication of selected frames.
Output Count to Alpha / outputCount Boolean Off Output image count at each pixel to alpha (input must have an alpha channel).
Invert Mask / maskInvert Boolean Off When checked, the effect is fully applied where the mask is 0.
Mix / mix Double 1 Mix factor between the original and the transformed image.