| { |
| "model": { |
| "class_type": "UNETLoader", |
| "inputs": { |
| "unet_name": "minimax_h3_ref2va_pruned_int8_convrot.safetensors", |
| "weight_dtype": "default" |
| }, |
| "_meta": { |
| "title": "UNETLoader" |
| } |
| }, |
| "shift": { |
| "class_type": "MiniMaxH3SigmaShift", |
| "inputs": { |
| "model": [ |
| "model", |
| 0 |
| ], |
| "shift_video": 12.0, |
| "shift_audio": 3.0 |
| }, |
| "_meta": { |
| "title": "MiniMaxH3SigmaShift" |
| } |
| }, |
| "attention": { |
| "class_type": "ModelAttentionBackend", |
| "inputs": { |
| "model": [ |
| "shift", |
| 0 |
| ], |
| "attention": "comfy kitchen attention" |
| }, |
| "_meta": { |
| "title": "ModelAttentionBackend" |
| } |
| }, |
| "text": { |
| "class_type": "CLIPLoader", |
| "inputs": { |
| "clip_name": "qwen3vl_32b_minimax_h3_nvfp4_awq.safetensors", |
| "type": "minimax", |
| "device": "default" |
| }, |
| "_meta": { |
| "title": "CLIPLoader" |
| } |
| }, |
| "text_device": { |
| "class_type": "SelectCLIPDevice", |
| "inputs": { |
| "clip": [ |
| "text", |
| 0 |
| ], |
| "device": "gpu:0" |
| }, |
| "_meta": { |
| "title": "SelectCLIPDevice" |
| } |
| }, |
| "text_memory": { |
| "class_type": "H3RelayTextMemory", |
| "inputs": { |
| "clip": [ |
| "text_device", |
| 0 |
| ] |
| }, |
| "_meta": { |
| "title": "H3RelayTextMemory" |
| } |
| }, |
| "video_vae": { |
| "class_type": "VAELoader", |
| "inputs": { |
| "vae_name": "minimax_h3_video_vae_fp16.safetensors" |
| }, |
| "_meta": { |
| "title": "VAELoader" |
| } |
| }, |
| "audio_vae": { |
| "class_type": "VAELoader", |
| "inputs": { |
| "vae_name": "minimax_h3_audio_vae_fp32.safetensors" |
| }, |
| "_meta": { |
| "title": "VAELoader" |
| } |
| }, |
| "turbo": { |
| "class_type": "LoraLoaderModelOnly", |
| "inputs": { |
| "model": [ |
| "attention", |
| 0 |
| ], |
| "lora_name": "minimax_h3_fl2v_turbo_8step_v1.0_768p_comfyui_bf16.safetensors", |
| "strength_model": 1.0 |
| }, |
| "_meta": { |
| "title": "LoraLoaderModelOnly" |
| } |
| }, |
| "adapter": { |
| "class_type": "LoraLoaderModelOnly", |
| "inputs": { |
| "model": [ |
| "turbo", |
| 0 |
| ], |
| "lora_name": "h3-v2-challenge-eval-20261013/v2-1000.safetensors", |
| "strength_model": 1.0 |
| }, |
| "_meta": { |
| "title": "LoraLoaderModelOnly" |
| } |
| }, |
| "source": { |
| "class_type": "LoadVideo", |
| "inputs": { |
| "file": "source.mp4" |
| }, |
| "_meta": { |
| "title": "LoadVideo" |
| } |
| }, |
| "prepare": { |
| "class_type": "H3RelayPrepareSource", |
| "inputs": { |
| "video": [ |
| "source", |
| 0 |
| ], |
| "resolution": "768", |
| "duration_seconds": 0.0, |
| "missing_audio": "silence" |
| }, |
| "_meta": { |
| "title": "H3RelayPrepareSource" |
| } |
| }, |
| "dimensions": { |
| "class_type": "GetImageSize", |
| "inputs": { |
| "image": [ |
| "prepare", |
| 0 |
| ] |
| }, |
| "_meta": { |
| "title": "GetImageSize" |
| } |
| }, |
| "reference": { |
| "class_type": "LoadImage", |
| "inputs": { |
| "image": "reference.png" |
| }, |
| "_meta": { |
| "title": "LoadImage" |
| } |
| }, |
| "sam": { |
| "class_type": "CheckpointLoaderSimple", |
| "inputs": { |
| "ckpt_name": "sam3.1_multiplex_fp16.safetensors" |
| }, |
| "_meta": { |
| "title": "CheckpointLoaderSimple" |
| } |
| }, |
| "subject": { |
| "class_type": "CLIPTextEncode", |
| "inputs": { |
| "clip": [ |
| "sam", |
| 1 |
| ], |
| "text": "person" |
| }, |
| "_meta": { |
| "title": "CLIPTextEncode" |
| } |
| }, |
| "first_frame": { |
| "class_type": "ImageFromBatch", |
| "inputs": { |
| "image": [ |
| "prepare", |
| 0 |
| ], |
| "batch_index": 0, |
| "length": 1 |
| }, |
| "_meta": { |
| "title": "ImageFromBatch" |
| } |
| }, |
| "detect": { |
| "class_type": "SAM3_Detect", |
| "inputs": { |
| "model": [ |
| "sam", |
| 0 |
| ], |
| "image": [ |
| "first_frame", |
| 0 |
| ], |
| "conditioning": [ |
| "subject", |
| 0 |
| ], |
| "threshold": 0.35, |
| "refine_iterations": 2, |
| "individual_masks": true |
| }, |
| "_meta": { |
| "title": "SAM3_Detect" |
| } |
| }, |
| "select": { |
| "class_type": "H3RelaySelectMask", |
| "inputs": { |
| "masks": [ |
| "detect", |
| 0 |
| ], |
| "selection": "largest", |
| "index": 0 |
| }, |
| "_meta": { |
| "title": "H3RelaySelectMask" |
| } |
| }, |
| "track": { |
| "class_type": "SAM3_VideoTrack", |
| "inputs": { |
| "model": [ |
| "sam", |
| 0 |
| ], |
| "images": [ |
| "prepare", |
| 0 |
| ], |
| "initial_mask": [ |
| "select", |
| 0 |
| ], |
| "conditioning": [ |
| "subject", |
| 0 |
| ], |
| "detection_threshold": 0.5, |
| "max_objects": 1, |
| "detect_interval": 1 |
| }, |
| "_meta": { |
| "title": "SAM3_VideoTrack" |
| } |
| }, |
| "mask": { |
| "class_type": "SAM3_TrackToMask", |
| "inputs": { |
| "track_data": [ |
| "track", |
| 0 |
| ], |
| "object_indices": "" |
| }, |
| "_meta": { |
| "title": "SAM3_TrackToMask" |
| } |
| }, |
| "recover": { |
| "class_type": "H3RelayRecoverMasks", |
| "inputs": { |
| "masks": [ |
| "mask", |
| 0 |
| ], |
| "images": [ |
| "prepare", |
| 0 |
| ], |
| "source_frames": [ |
| "prepare", |
| 5 |
| ], |
| "model": [ |
| "sam", |
| 0 |
| ], |
| "conditioning": [ |
| "subject", |
| 0 |
| ], |
| "selection": [ |
| "select", |
| 1 |
| ], |
| "recover_empty_frames": true |
| }, |
| "_meta": { |
| "title": "H3RelayRecoverMasks" |
| } |
| }, |
| "expand_mask": { |
| "class_type": "H3RelayExpandMask", |
| "inputs": { |
| "masks": [ |
| "recover", |
| 0 |
| ], |
| "images": [ |
| "prepare", |
| 0 |
| ], |
| "source_frames": [ |
| "prepare", |
| 5 |
| ], |
| "expansion_px": 64 |
| }, |
| "_meta": { |
| "title": "H3RelayExpandMask" |
| } |
| }, |
| "mask_preview": { |
| "class_type": "PreviewImage", |
| "inputs": { |
| "images": [ |
| "expand_mask", |
| 1 |
| ] |
| }, |
| "_meta": { |
| "title": "PreviewImage" |
| } |
| }, |
| "plan": { |
| "class_type": "H3RelayWindowPlan", |
| "inputs": { |
| "source_frames": [ |
| "prepare", |
| 5 |
| ], |
| "window_frames": "124", |
| "history_frames": "18", |
| "seed": 904239, |
| "schedule": "adaptive", |
| "seed_mode": "fixed", |
| "seed_overrides": "{}" |
| }, |
| "_meta": { |
| "title": "Plan source-aligned windows" |
| } |
| }, |
| "start": { |
| "class_type": "StartLoop", |
| "inputs": { |
| "mode": "simple", |
| "mode.num_iterations": [ |
| "plan", |
| 2 |
| ], |
| "cache_iterations": false |
| }, |
| "_meta": { |
| "title": "Native loop \u00b7 one H3 window" |
| } |
| }, |
| "window": { |
| "class_type": "H3RelayWindowInputs", |
| "inputs": { |
| "source": [ |
| "prepare", |
| 0 |
| ], |
| "window": [ |
| "plan", |
| 3 |
| ], |
| "iteration_index": [ |
| "start", |
| 0 |
| ], |
| "previous": [ |
| "start", |
| 4 |
| ], |
| "reference_history": true, |
| "fps": 24.0, |
| "resize_anchor": true, |
| "history_audio_mode": "source", |
| "source_audio": [ |
| "prepare", |
| 1 |
| ], |
| "mask": [ |
| "expand_mask", |
| 0 |
| ] |
| }, |
| "_meta": { |
| "title": "H3RelayWindowInputs" |
| } |
| }, |
| "reference_conditioning": { |
| "class_type": "MiniMaxH3ReferenceToVideo", |
| "inputs": { |
| "clip": [ |
| "text_memory", |
| 0 |
| ], |
| "prompt": "Replace the selected person with the reference character. Preserve source performance, scene and audio timing.", |
| "width": [ |
| "dimensions", |
| 0 |
| ], |
| "height": [ |
| "dimensions", |
| 1 |
| ], |
| "length": [ |
| "window", |
| 8 |
| ], |
| "ref_image_size": "match", |
| "ref_videos.ref_video_0": [ |
| "window", |
| 5 |
| ], |
| "ref_images.ref_image_0": [ |
| "reference", |
| 0 |
| ], |
| "vae": [ |
| "video_vae", |
| 0 |
| ], |
| "audio_vae": [ |
| "audio_vae", |
| 0 |
| ], |
| "ref_audios.ref_audio_0": [ |
| "window", |
| 6 |
| ] |
| }, |
| "_meta": { |
| "title": "Native H3 reference conditioning" |
| } |
| }, |
| "history": { |
| "class_type": "H3RelayApplyHistory", |
| "inputs": { |
| "positive": [ |
| "reference_conditioning", |
| 0 |
| ], |
| "latent": [ |
| "reference_conditioning", |
| 1 |
| ], |
| "vae": [ |
| "video_vae", |
| 0 |
| ], |
| "audio_vae": [ |
| "audio_vae", |
| 0 |
| ], |
| "frames": [ |
| "window", |
| 3 |
| ], |
| "history_frames": [ |
| "window", |
| 7 |
| ], |
| "first_frame_guide": false, |
| "target_audio_guide": true, |
| "audio": [ |
| "window", |
| 4 |
| ] |
| }, |
| "_meta": { |
| "title": "H3RelayApplyHistory" |
| } |
| }, |
| "encode_source": { |
| "class_type": "VAEEncode", |
| "inputs": { |
| "pixels": [ |
| "window", |
| 0 |
| ], |
| "vae": [ |
| "video_vae", |
| 0 |
| ] |
| }, |
| "_meta": { |
| "title": "VAEEncode" |
| } |
| }, |
| "edit_mask": { |
| "class_type": "H3RelayApplyEditMask", |
| "inputs": { |
| "latent": [ |
| "history", |
| 1 |
| ], |
| "source_latent": [ |
| "encode_source", |
| 0 |
| ], |
| "mask": [ |
| "window", |
| 1 |
| ] |
| }, |
| "_meta": { |
| "title": "H3RelayApplyEditMask" |
| } |
| }, |
| "guide": { |
| "class_type": "MiniMaxH3AddGuide", |
| "inputs": { |
| "positive": [ |
| "history", |
| 0 |
| ], |
| "latent": [ |
| "edit_mask", |
| 0 |
| ], |
| "frame_idx": 0, |
| "audio_vae": [ |
| "audio_vae", |
| 0 |
| ], |
| "audio": [ |
| "window", |
| 2 |
| ] |
| }, |
| "_meta": { |
| "title": "Native target guide" |
| } |
| }, |
| "sampling_memory": { |
| "class_type": "H3RelaySamplingMemory", |
| "inputs": { |
| "model": [ |
| "adapter", |
| 0 |
| ], |
| "latent": [ |
| "edit_mask", |
| 0 |
| ], |
| "conditioning": [ |
| "guide", |
| 0 |
| ], |
| "activation_memory_gib": 17.0 |
| }, |
| "_meta": { |
| "title": "H3RelaySamplingMemory" |
| } |
| }, |
| "noise": { |
| "class_type": "RandomNoise", |
| "inputs": { |
| "noise_seed": [ |
| "window", |
| 10 |
| ] |
| }, |
| "_meta": { |
| "title": "RandomNoise" |
| } |
| }, |
| "guider": { |
| "class_type": "CFGGuider", |
| "inputs": { |
| "model": [ |
| "sampling_memory", |
| 0 |
| ], |
| "positive": [ |
| "guide", |
| 0 |
| ], |
| "negative": [ |
| "guide", |
| 0 |
| ], |
| "cfg": 1.0 |
| }, |
| "_meta": { |
| "title": "CFGGuider" |
| } |
| }, |
| "sampler": { |
| "class_type": "KSamplerSelect", |
| "inputs": { |
| "sampler_name": "er_sde" |
| }, |
| "_meta": { |
| "title": "KSamplerSelect" |
| } |
| }, |
| "schedule": { |
| "class_type": "BasicScheduler", |
| "inputs": { |
| "model": [ |
| "adapter", |
| 0 |
| ], |
| "scheduler": "normal", |
| "steps": 8, |
| "denoise": 1.0 |
| }, |
| "_meta": { |
| "title": "BasicScheduler" |
| } |
| }, |
| "sample": { |
| "class_type": "SamplerCustomAdvanced", |
| "inputs": { |
| "noise": [ |
| "noise", |
| 0 |
| ], |
| "guider": [ |
| "guider", |
| 0 |
| ], |
| "sampler": [ |
| "sampler", |
| 0 |
| ], |
| "sigmas": [ |
| "schedule", |
| 0 |
| ], |
| "latent_image": [ |
| "edit_mask", |
| 0 |
| ] |
| }, |
| "_meta": { |
| "title": "SamplerCustomAdvanced" |
| } |
| }, |
| "separate": { |
| "class_type": "LTXVSeparateAVLatent", |
| "inputs": { |
| "av_latent": [ |
| "sample", |
| 0 |
| ] |
| }, |
| "_meta": { |
| "title": "LTXVSeparateAVLatent" |
| } |
| }, |
| "decode": { |
| "class_type": "VAEDecode", |
| "inputs": { |
| "samples": [ |
| "separate", |
| 0 |
| ], |
| "vae": [ |
| "video_vae", |
| 0 |
| ] |
| }, |
| "_meta": { |
| "title": "VAEDecode" |
| } |
| }, |
| "append": { |
| "class_type": "H3RelayAppendWindow", |
| "inputs": { |
| "frames": [ |
| "decode", |
| 0 |
| ], |
| "window": [ |
| "window", |
| 12 |
| ], |
| "previous": [ |
| "start", |
| 4 |
| ] |
| }, |
| "_meta": { |
| "title": "H3RelayAppendWindow" |
| } |
| }, |
| "end": { |
| "class_type": "EndLoop", |
| "inputs": { |
| "output_value": [ |
| "append", |
| 0 |
| ], |
| "next_iteration_value": [ |
| "append", |
| 0 |
| ], |
| "accumulate": false |
| }, |
| "_meta": { |
| "title": "EndLoop" |
| } |
| }, |
| "finish": { |
| "class_type": "H3RelayFinishWindows", |
| "inputs": { |
| "state": [ |
| "end", |
| 0 |
| ], |
| "audio_mode": "source", |
| "source_audio": [ |
| "prepare", |
| 1 |
| ] |
| }, |
| "_meta": { |
| "title": "H3RelayFinishWindows" |
| } |
| }, |
| "video": { |
| "class_type": "CreateVideo", |
| "inputs": { |
| "images": [ |
| "finish", |
| 0 |
| ], |
| "fps": [ |
| "finish", |
| 2 |
| ], |
| "audio": [ |
| "finish", |
| 1 |
| ] |
| }, |
| "_meta": { |
| "title": "CreateVideo" |
| } |
| }, |
| "save": { |
| "class_type": "SaveVideo", |
| "inputs": { |
| "video": [ |
| "video", |
| 0 |
| ], |
| "filename_prefix": "h3-relay/character-swap", |
| "format": "mp4", |
| "format.codec": "h264", |
| "format.codec.encoding": "re-encode", |
| "format.codec.encoding.crf": 16 |
| }, |
| "_meta": { |
| "title": "SaveVideo" |
| } |
| } |
| } |
|
|
