Viewer helper (hidden): writes the rendered alpha and the plate as proxy frames and measures QC for the Mask + Matting viewer. Not meant to be added by hand…

Experimental nodes! This is a production suite for ComfyUI — SAM2.1/SAM3 segmentation, alpha matting, inpaint crop/stitch, VFX tools (EXR I/O, LUTs, render passes), video mask propagation, temporal anchors, VAE merging, spline editors, and auto-versioned output.

ComfyUI-CustomNodePacks

image

alpha

start

coarse

info

max_side

max_frames

Viewer helper (hidden): writes the rendered alpha and the plate as proxy frames and measures QC for the Mask + Matting viewer. Not meant to be added by hand.

Name	Type	Default	Description
image	IMAGE		The whole plate (the rendered frames are cut from it).
alpha	MASK		Mask + Matting's alpha.
start	INT	00–1000000	Plate frame of the first rendered frame (the preview chunk's start).
coarseopt	MASK		Mask + Matting's mask (the segmenter's coarse selection).
infoopt	STRING		Mask + Matting's info output (names the frames a run left empty).
max_sideopt	INT	96064–2048	—
max_framesopt	INT	1201–2000	—

Viewer helper: Result

Inputs (7)

Outputs (0)