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ComfyUI node: dropdown-driven empty latent for AnimateDiff and video, with exact clip length through RIFE interpolation.
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A drop-in replacement for EmptyLatentImage in AnimateDiff and video workflows, controlled entirely by dropdowns. Shape, size, and length are all pickable, with nothing buried in a raw pixel field.
In a video graph the latent shape, the frame count, and the frame rate have to line up or the clip comes out the wrong length. This node holds all three in one place and keeps the output duration exact even after RIFE interpolation, so you set the length you want in seconds and get that length back.
Empty Latent (aspect + size + seconds). Outputs , , , , , .
Sources
3 sourcesVerified Sep 12
Source excerpts
1 excerptSource context: Repo AlaboMPJ/comfyui-alabo-duration
LATENTframeswidthheightrender_fpsout_fpsDimensions snap to a multiple of 8. When interp_x is above 1 the node reduces the rendered frame count so that, after RIFE multiplies it back up and the video node plays it at out_fps, the clip is the requested number of seconds.
cd ComfyUI/custom_nodes
git clone https://github.com/AlaboMPJ/comfyui-alabo-duration
Restart ComfyUI.
MIT.
Nodes in this pack
1 nodeVerified Aug 3
Verified Sep 12