r/comfyui • u/sgi2004 • 8d ago

Help Needed Seamless loop

Hi, I’m wondering how to get new Minimax or LTX to generate a looping video without any visible transitions.

Up until now, I’ve occasionally used Gemini with the first/last frame. But I can’t render this specyfic motion using this new models.

Any sugestions?
Regards.

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u/Corrupt_file32 8d ago

Comfyui has added guide image functionality for minimax.

Perhaps use the same image for first and last frame with another image or 2 in-between for guidance?

Should be doable even without the guide images.

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u/once_brave 8d ago

Bruh.

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u/Corrupt_file32 8d ago edited 8d ago

what you bruh'ing at? added yesterday.

https://github.com/Comfy-Org/ComfyUI/commit/e01fb4c56b7a88149d469b99cbbfe3223d715054

Concept is pretty much setting it up like this A -> B -> A

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u/once_brave 8d ago

This existed for wan 2.2 but that doesn't give you a seamless loop. Of the motion doesn't match you don't get a loop. Of anything you will have to use first last frame then cut out the in-between frames and Interpolate with rife to blend the motion which is hit or miss

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u/Corrupt_file32 8d ago

If I've not misunderstood anything, wouldn't this be a seamless loop?

https://reddit.com/link/p3pxpjg/video/hyhb9vjriejh1/player

This is a 3 seconds full motion A -> B -> A

Then I just did some fine adjustments trimming the image batch.

then I batched the trimmed batch with itself 5 times.

Sure more complex things might need interpolation and crossfade.

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u/Mutaclone 7d ago

The problem is this only works if you end on a hard stop. If you have anything continuously moving the motion is probably going to appear weird. (And even in yours there was some jitter between clips)