LoadVideoTextDataSetFromFolder - ComfyUI Built-in Node Documentation

This node loads video files and their associated text captions from a selected subfolder in the ComfyUI input directory, and returns them as two lists: videos and captions. The video entries are lazy references, so frames are decoded only when a downstream node needs them. Supported formats are MP4, AVI, MOV, WEBM, MKV, and FLV. Nested folders with a repeat-count prefix (for example 5_classname/, as used by tools like kohya-ss/sd-scripts) are also supported.

Inputs

Parameter	Description	Data Type	Required	Range
`folder`	The folder containing video files and .txt captions.	STRING	Yes	Combo: dynamic list of all subfolders inside the ComfyUI input directory

If the selected folder contains no files with a supported video extension, the node raises an error. For nested folders whose name starts with a number followed by an underscore (for example 5_classname), each video inside that folder is included in the dataset the number of times given by that prefix.

Outputs

Output Name	Description	Data Type
`videos`	Lazy video references; frames are decoded only when needed downstream. One entry per video file found in the folder.	VIDEO (list)
`texts`	List of text captions. One caption per video; if a video has no matching `.txt` file, its caption is an empty string.	STRING (list)

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Inputs

Outputs