EmptyARVideoLatent - ComfyUI Built-in Node Documentation - ComfyUI

Overview

The EmptyARVideoLatent node creates a blank, empty latent representation for video generation. It is used to initialize a video generation process by providing a tensor of zeros with the specified dimensions, aspect ratio, and length.

Inputs

Parameter	Description	Data Type	Required	Range
`width`	The width of the video frames in pixels (default: 832)	INT	Yes	16 to 8192 (step: 16)
`height`	The height of the video frames in pixels (default: 480)	INT	Yes	16 to 8192 (step: 16)
`length`	The number of frames in the video (default: 81)	INT	Yes	1 to 1024 (step: 4)
`batch_size`	The number of videos to generate in a single batch (default: 1)	INT	Yes	1 to 64

Outputs

Output Name	Description	Data Type
`LATENT`	A latent tensor filled with zeros, representing an empty video latent space with the specified dimensions, length, and batch size. The tensor shape is [batch_size, 16, lat_t, height/8, width/8], where lat_t = ((length - 1) // 4) + 1 is the number of latent time steps derived from the requested length.	LATENT

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