Video Loop

This block repeats a video to extend its duration, either to a specific length or a set number of repetitions.

Loop Video

What it is

Block to loop a video to a given duration or number of repeats.

How it works

The block uses MoviePy's Loop effect to repeat a video clip. You can specify either a target duration (the video will repeat until reaching that length) or a number of loops (the video will repeat that many times). The Loop effect handles both video and audio looping automatically, maintaining sync. Either duration or n_loops must be provided. The output is encoded with H.264 video codec and AAC audio codec.

Inputs

Input	Description	Type	Required
video_in	The input video (can be a URL, data URI, or local path).	str (file)	Yes
duration	Target duration (in seconds) to loop the video to. If omitted, defaults to no looping.	float	No
n_loops	Number of times to repeat the video. If omitted, defaults to 1 (no repeat).	int	No
output_return_type	How to return the output video. Either a relative path or base64 data URI.	"file_path" \| "data_uri"	No

Outputs

Output	Description	Type
error	Error message if the operation failed	str
video_out	Looped video returned either as a relative path or a data URI.	str

Possible use case

Extending a short background video to match the length of narration audio
Creating seamless looping content for digital signage
Repeating a product demo video multiple times for emphasis
Extending short clips to meet minimum duration requirements for platforms

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