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ComfyUI-Tween/example_workflows/tween_speed_ldf_model_lab.json
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Ethanfel 024e627b47
Publish to Comfy registry / Publish Custom Node to registry (push) Canceled after 0s
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feat: add SPEED and LDF-VFI interpolation 
Integrate checksum-pinned runtimes, harden interpolation and cleanup paths, and add a SPEED/LDF model-lab workflow.
2026-08-15 21:16:14 +02:00

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"TWEEN MODEL LAB — SPEED + LDF-VFI\n1) Choose a short input video below. 2) Queue Prompt to run the enabled SPEED path. 3) The LDF-VFI path is muted by default; enable its three coral nodes only when you want the heavier sequence model."
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"INPUT SAFETY DEFAULTS\n• force_rate = 24 FPS\n• frame_load_cap = 25 (~1 second)\n• dimensions = source size\n\nFor another source rate, change force_rate here and source_fps in the chosen Tween node. The Video Combine frame rate must match target_fps."
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"color": "#3f3520",
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],
"outputs": [
{
"name": "images",
"type": "IMAGE",
"links": [
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},
{
"name": "settings",
"type": "VFI_SETTINGS",
"links": [
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}
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"properties": {
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"widgets_values": [
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"color": "#243b32",
"bgcolor": "#315244"
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{
"id": 6,
"type": "SPEEDVFIInterpolate",
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"type": "VHS_BatchManager",
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"type": "VAE",
"link": null
}
],
"outputs": [
{
"name": "Filenames",
"type": "VHS_FILENAMES",
"links": null
}
],
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"loop_count": 0,
"filename_prefix": "Tween/demo_speed_24_to_48",
"format": "video/h264-mp4",
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"crf": 19,
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"widgets_values": [
"SPEED — RECOMMENDED, ENABLED\nOne-step diffusion midpoint interpolation. This branch uses target-FPS mode (24→48), a fixed seed, and VFI Optimizer settings. First use downloads the official ~447 MB checkpoint and checksum-pinned runtime."
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"widgets_values": [
"LDF-VFI — ADVANCED, MUTED BY DEFAULT\nRequires an NVIDIA BF16 GPU and roughly 20 GB VRAM; first use downloads ~6.4 GB. To run it, select the three coral nodes below and set Mode → Always. Disable/mute the SPEED output node if you only want LDF. Use 16 sampling steps for the official quality-oriented quick-start setting."
],
"color": "#5a2d2d",
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"name": "model",
"type": "LDF_VFI_MODEL",
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]
}
],
"properties": {
"aux_id": "ComfyUI-Tween.git",
"Node name for S&R": "LoadLDFVFIModel"
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"type": "IMAGE",
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}
],
"outputs": [
{
"name": "images",
"type": "IMAGE",
"links": [
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]
},
{
"name": "generated_sequence",
"type": "IMAGE",
"links": null
}
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"type": "VHS_FILENAMES",
"links": null
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"properties": {
"cnr_id": "comfyui-videohelpersuite",
"Node name for S&R": "VHS_VideoCombine"
},
"widgets_values": {
"frame_rate": 48,
"loop_count": 0,
"filename_prefix": "Tween/demo_ldf_24_to_48",
"format": "video/h264-mp4",
"pix_fmt": "yuv420p",
"crf": 19,
"save_metadata": true,
"trim_to_audio": false,
"pingpong": false,
"save_output": true,
"videopreview": {
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"paused": false,
"params": {}
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"widgets_values": [
"WHY TWO PATHS?\n\nSPEED\n• Best default for normal pairwise VFI\n• Much smaller and faster\n• 2x midpoint; 4x/8x recursive\n\nLDF-VFI\n• Sequence-native temporal modeling\n• Better suited to long-range coherence\n• 2x–16x, but far heavier\n\nThe LDF demo uses 8 steps for a quicker test. Raise to 16 after the graph is working."
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"bgcolor": "#594353"
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"groups": [
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"color": "#8a6d2f",
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{
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],
"config": {},
"extra": {
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"links_added_by_ue": [],
"ds": {
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"VHS_latentpreview": true,
"VHS_latentpreviewrate": 0,
"VHS_MetadataImage": true,
"VHS_KeepIntermediate": true
},
"version": 0.4
}
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