The 'Video to Seamless Loop Converter' workflow is designed to transform your video clips into seamless, looping videos. This is particularly useful for creating engaging content for social media, digital art installations, or any application where continuous playback is desired. The workflow leverages the Wan2.1 VACE model, which excels in video content analysis and enhancement, ensuring that the transition between the end and the start of the video is smooth and imperceptible.
Technically, the workflow begins with the VHS_LoadVideo node, which imports the video into the system. The video frames are processed using a series of nodes, including ImageBatch and ImageFromBatch, which manage the frame data efficiently. The custom nodes from comfyui-kjnodes and comfyui-videohelpersuite are employed to create and fill empty frames, ensuring a seamless transition. Finally, the CreateVideo and SaveVideo nodes compile the processed frames into a continuous loop, ready for export and use.
API
Use this workflow from code
Every Comfy workflow is a JSON graph. The payload below is this workflow, exactly as ComfyUI runs it — fetch it from the URL, keep it in version control, or load it in ComfyUI and run it node by node.
GET https://comfy.org/workflows/download/31ea7d2d9224.jsonFetching workflow JSON…
Run it from Python or TypeScript with the Comfy SDK. The same code targets Comfy Cloud or a ComfyUI you host yourself — only the base URL changes.
# Install (beta)
pip install comfy-sdk # Python
npm i @comfyorg/sdk # TypeScript
# Run "Video to Seamless Loop Converter" (Python)
from comfy_sdk import Comfy
client = Comfy(api_key="comfyui-...")
# This workflow, exported in API format (see note below)
wf = client.workflows.from_file("template_sirolim_seamless_loop_api.json")
job = client.run(wf)
for output in job.get_outputs("251"): # SaveVideo
output.to_file(output.name)The SDK takes a workflow in API format: open this workflow in ComfyUI and use File → Export Workflow (API). API access requires a Comfy Cloud plan with an API key. SDK docs · Get an API key
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