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Instead, the flow will silently choose the closest valid parameters. \n\nBy default, we are using 720p resolution. You can try 1920*1088 if you have a powerful GPU." ], "color": "#222", "bgcolor": "#000" }, { "id": 185, "type": "LoadVideo", "pos": [ -1780, 4070 ], "size": [ 490.79427083333337, 610 ], "flags": {}, "order": 4, "mode": 0, "inputs": [], "outputs": [ { "name": "VIDEO", "type": "VIDEO", "links": [ 403 ] } ], "properties": { "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "cnr_id": "comfy-core", "ver": "0.5.1", "Node name for S&R": "LoadVideo" }, "widgets_values": [ "woman_with_paper.mp4", { "name": "upload", "options": { "serialize": false, "canvasOnly": true }, "label": "choose file to upload", "type": "button", "y": 50, "last_y": 50, "computedDisabled": false, "clicked": false, "computedHeight": 24 } ] }, { "id": 143, "type": "68857357-cbc2-4c3a-a786-c3a58d43f9b1", "pos": [ 290, 3960 ], "size": [ 400, 500 ], "flags": { "collapsed": false }, "order": 14, "mode": 0, "inputs": [ { "label": "control_images", "name": "image", "type": "IMAGE", "link": 410 }, { "label": "control_lora", "name": "lora_name", "type": "COMBO", "widget": { "name": "lora_name" }, "link": null }, { "label": "image_strength", "name": "strength", "type": "FLOAT", "widget": { "name": "strength" }, "link": null }, { "label": "enable_first_frame", "name": "bypass", "type": "BOOLEAN", "widget": { "name": "bypass" }, "link": 388 }, { "label": "first_frame", "name": "image_1", "type": "IMAGE", "link": 381 } ], "outputs": [ { "name": "VIDEO", "type": "VIDEO", "links": [ 390 ] } ], "properties": { "proxyWidgets": [ [ "-1", "text" ], [ "-1", "noise_seed" ], [ "126", "control_after_generate" ], [ "-1", "strength" ], [ "-1", "bypass" ], [ "-1", "ckpt_name" ], [ "-1", "lora_name" ] ], "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "cnr_id": "comfy-core", "ver": "0.7.0" }, "widgets_values": [ "In a realistic cinematic style, a woman sits in a hospital waiting room, holding a medical report with both hands. The harsh fluorescent lights cast a cold, clinical glow on her pale face. She reads the document in silence, her brows furrowing deeper with each line. The camera starts wide, showing the empty waiting room with its sterile white walls and patterned teal wallpaper, then slowly pushes in to a close-up of her face. A melancholic, piano-driven melody plays softly in the background—a gentle, emotional piece with strings that swell and fade, echoing the weight of the moment. The distant sounds of hospital activity—muffled voices, the beep of machines, footsteps in the hallway, the rustle of medical papers—drift in and out, blending with the music. After a long pause, she lifts her gaze from the paper, staring forward with tears welling in her eyes. \"I need to tell him,\" she says quietly, her voice breaking slightly. The camera pulls back as she carefully folds the paper, stands up, and walks toward the hallway, her figure growing smaller as she disappears around the corner.", 0, null, 1, false, "ltx-2-19b-dev-fp8.safetensors", "ltx-2-19b-ic-lora-pose-control.safetensors" ] }, { "id": 184, "type": "DWPreprocessor", "pos": [ -200, 4130 ], "size": [ 300, 222 ], "flags": {}, "order": 12, "mode": 0, "inputs": [ { "name": "image", "type": "IMAGE", "link": 408 } ], "outputs": [ { "name": "IMAGE", "type": "IMAGE", "links": [ 409 ] }, { "name": "POSE_KEYPOINT", "type": "POSE_KEYPOINT", "links": null } ], "properties": { "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "cnr_id": "comfyui_controlnet_aux", "ver": "59b027e088c1c8facf7258f6e392d16d204b4d27", "Node name for S&R": "DWPreprocessor" }, "widgets_values": [ "enable", "enable", "disable", 512, "yolox_l.onnx", "dw-ll_ucoco_384_bs5.torchscript.pt", "disable" ], "color": "#322", "bgcolor": "#533" }, { "id": 164, "type": "ResizeImageMaskNode", "pos": [ -510, 4450 ], "size": [ 284.375, 154 ], "flags": {}, "order": 13, "mode": 0, "inputs": [ { "name": "input", "type": "IMAGE,MASK", "link": 409 }, { "name": "resize_type.width", "type": "INT", "widget": { "name": "resize_type.width" }, "link": 383 }, { "name": "resize_type.height", "type": "INT", "widget": { "name": "resize_type.height" }, "link": 386 } ], "outputs": [ { "name": "resized", "type": "IMAGE", "links": [ 410, 411, 412 ] } ], "properties": { "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "cnr_id": "comfy-core", "ver": "0.7.0", "Node name for S&R": "ResizeImageMaskNode" }, "widgets_values": [ "scale dimensions", 1280, 720, "center", "lanczos" ] }, { "id": 169, "type": "PrimitiveBoolean", "pos": [ -980, 4790 ], "size": [ 270, 88 ], "flags": {}, "order": 5, "mode": 0, "inputs": [], "outputs": [ { "name": "BOOLEAN", "type": "BOOLEAN", "links": [ 388, 389 ] } ], "title": "Ignore First Frame?", "properties": { "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "cnr_id": "comfy-core", "ver": "0.7.0", "Node name for S&R": "PrimitiveBoolean" }, "widgets_values": [ false ] }, { "id": 167, "type": "PrimitiveInt", "pos": [ -980, 4628 ], "size": [ 270, 90 ], "flags": { "collapsed": false }, "order": 6, "mode": 0, "inputs": [], "outputs": [ { "name": "INT", "type": "INT", "links": [ 385, 386 ] } ], "title": "Height", "properties": { "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "cnr_id": "comfy-core", "ver": "0.7.0", "Node name for S&R": "PrimitiveInt" }, "widgets_values": [ 720, "fixed" ] }, { "id": 162, "type": "4ba16137-671b-4a0a-9b09-fff1ba6ac7d8", "pos": [ 290, 4660 ], "size": [ 400, 530 ], "flags": { "collapsed": false }, "order": 15, "mode": 4, "inputs": [ { "label": "control_images", "name": "image", "type": "IMAGE", "link": 411 }, { "label": "control_lora", "name": "lora_name", "type": "COMBO", "widget": { "name": "lora_name" }, "link": null }, { "label": "image_strength", "name": "strength", "type": "FLOAT", "widget": { "name": "strength" }, "link": null }, { "label": "enable_first_frame", "name": "bypass", "type": "BOOLEAN", "widget": { "name": "bypass" }, "link": 389 }, { "label": "first_frame", "name": "image_1", "type": "IMAGE", "link": 382 } ], "outputs": [ { "name": "VIDEO", "type": "VIDEO", "links": [ 375 ] } ], "properties": { "proxyWidgets": [ [ "-1", "text" ], [ "-1", "noise_seed" ], [ "126", "control_after_generate" ], [ "-1", "strength" ], [ "-1", "bypass" ], [ "-1", "ckpt_name" ], [ "-1", "lora_name" ] ], "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "cnr_id": "comfy-core", "ver": "0.7.0" }, "widgets_values": [ "In a realistic cinematic style, a woman sits in a hospital waiting room, holding a medical report with both hands. The harsh fluorescent lights cast a cold, clinical glow on her pale face. She reads the document in silence, her brows furrowing deeper with each line. The camera starts wide, showing the empty waiting room with its sterile white walls and patterned teal wallpaper, then slowly pushes in to a close-up of her face. A melancholic, piano-driven melody plays softly in the background—a gentle, emotional piece with strings that swell and fade, echoing the weight of the moment. The distant sounds of hospital activity—muffled voices, the beep of machines, footsteps in the hallway, the rustle of medical papers—drift in and out, blending with the music. After a long pause, she lifts her gaze from the paper, staring forward with tears welling in her eyes. \"I need to tell him,\" she says quietly, her voice breaking slightly. The camera pulls back as she carefully folds the paper, stands up, and walks toward the hallway, her figure growing smaller as she disappears around the corner.", 0, null, 1, false, "ltx-2-19b-distilled.safetensors", "ltx-2-19b-ic-lora-pose-control.safetensors" ] }, { "id": 165, "type": "ResizeImageMaskNode", "pos": [ -500, 4720 ], "size": [ 284.375, 154 ], "flags": {}, "order": 10, "mode": 0, "inputs": [ { "name": "input", "type": "IMAGE,MASK", "link": 380 }, { "name": "resize_type.width", "type": "INT", "widget": { "name": "resize_type.width" }, "link": 384 }, { "name": "resize_type.height", "type": "INT", "widget": { "name": "resize_type.height" }, "link": 385 } ], "outputs": [ { "name": "resized", "type": "IMAGE", "links": [ 381, 382 ] } ], "properties": { "enableTabs": false, "tabWidth": 65, "tabXOffset": 10, "hasSecondTab": false, "secondTabText": "Send Back", "secondTabOffset": 80, "secondTabWidth": 65, "cnr_id": "comfy-core", "ver": "0.7.0", "Node name for S&R": "ResizeImageMaskNode" }, "widgets_values": [ "scale dimensions", 1280, 720, "center", "lanczos" ] }, { "id": 186, "type": "MarkdownNote", "pos": [ 480, 3800 ], "size": [ 210, 100 ], "flags": {}, "order": 7, "mode": 0, "inputs": [], "outputs": [], "title": "Note", "properties": {}, "widgets_values": [ "Click on the top-right corner of the node to open the [subgraph](https://docs.comfy.org/interface/features/subgraph) \n👇" ], "color": "#222", "bgcolor": "#000" }, { "id": 182, "type": "MarkdownNote", "pos": [ -2490, 4070 ], "size": [ 660, 980 ], "flags": {}, "order": 8, "mode": 0, "inputs": [], "outputs": [], "title": "Model Links", "properties": {}, "widgets_values": [ "- Huggingface: [Lightricks/LTX-2](https://huggingface.co/Lightricks/LTX-2)\n- Github: [LTX-2](https://github.com/Lightricks/LTX-2)\n\n## LTX-2 Prompting Tips\n\n1. **Core Actions**: Describe events and actions as they occur over time \n2. **Visual Details**: Describe all visual details you want to appear in the video \n3. **Audio**: Describe sounds and dialogue needed for the scene\n\n## Report LTX-2 Issues\nTo report any issues when running this workflow, [go to GitHub](https://github.com/Lightricks/ComfyUI-LTXVideo/issues)\n\n\nGuide: [Subgraph](https://docs.comfy.org/interface/features/subgraph)\n\n## Model Links (for local users)\n\n**checkpoints**\n- [ltx-2-19b-dev.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-dev.safetensors)\n- [ltx-2-19b-dev-fp8.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-dev-fp8.safetensors)\n- [ltx-2-19b-distilled.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-distilled.safetensors)\n- [ltx-2-19b-distilled-fp8.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-distilled-fp8.safetensors)\n\n**text_encoders**\n\n- [gemma_3_12B_it.safetensors](https://huggingface.co/Comfy-Org/ltx-2/resolve/main/split_files/text_encoders/gemma_3_12B_it.safetensors)\n\n**loras**\n\n- [ltx-2-19b-distilled-lora-384.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-19b-distilled-lora-384.safetensors)\n- [ltx-2-19b-ic-lora-pose-control.safetensors](https://huggingface.co/Lightricks/LTX-2-19b-IC-LoRA-Pose-Control/resolve/main/ltx-2-19b-ic-lora-pose-control.safetensors)\n\n**latent_upscale_models**\n\n- [ltx-2-spatial-upscaler-x2-1.0.safetensors](https://huggingface.co/Lightricks/LTX-2/resolve/main/ltx-2-spatial-upscaler-x2-1.0.safetensors)\n\n\nModel Storage Location\n\n```\n📂 ComfyUI/\n├── 📂 models/\n│ ├── 📂 checkpoints/\n│ │ ├── ltx-2-19b-dev.safetensors\n│ │ ├── ltx-2-19b-dev-fp8.safetensors\n│ │ ├── ltx-2-19b-distilled.safetensors\n│ │ └── ltx-2-19b-distilled-fp8.safetensors\n│ ├── 📂 text_encoders/\n│ │ └── gemma_3_12B_it.safetensors\n│ ├── 📂 loras/\n│ │ ├── ltx-2-19b-distilled-lora-384.safetensors\n│ │ └── ltx-2-19b-ic-lora-pose-control.safetensors\n│ └── 📂 latent_upscale_models/\n│ └── ltx-2-spatial-upscaler-x2-1.0.safetensors\n```\n\n\n## Report Other Issues\n\nNote: please update ComfyUI first ([guide](https://docs.comfy.org/zh-CN/installation/update_comfyui)) and prepare required models. Desktop/Cloud ship stable builds; nightly-supported models may not be included yet, please wait for the next stable release.\n\n- Cannot run / runtime errors: [ComfyUI/issues](https://github.com/comfyanonymous/ComfyUI/issues)\n- UI / frontend issues: [ComfyUI_frontend/issues](https://github.com/Comfy-Org/ComfyUI_frontend/issues)\n- Workflow issues: [workflow_templates/issues](https://github.com/Comfy-Org/workflow_templates/issues)" ], "color": "#222", "bgcolor": "#000" } ], "links": [ [ 363, 144, 0, 152, 0, "IMAGE" ], [ 375, 162, 0, 161, 0, "VIDEO" ], [ 380, 160, 0, 165, 0, "IMAGE" ], [ 381, 165, 0, 143, 4, "IMAGE" ], [ 382, 165, 0, 162, 4, "IMAGE" ], [ 383, 166, 0, 164, 1, "INT" ], [ 384, 166, 0, 165, 1, "INT" ], [ 385, 167, 0, 165, 2, "INT" ], [ 386, 167, 0, 164, 2, "INT" ], [ 387, 168, 0, 152, 1, "INT" ], [ 388, 169, 0, 143, 3, "BOOLEAN" ], [ 389, 169, 0, 162, 3, "BOOLEAN" ], [ 390, 143, 0, 175, 0, "VIDEO" ], [ 403, 185, 0, 144, 0, "VIDEO" ], [ 408, 152, 0, 184, 0, "IMAGE" ], [ 409, 184, 0, 164, 0, "IMAGE" ], [ 410, 164, 0, 143, 0, "IMAGE" ], [ 411, 164, 0, 162, 0, "IMAGE" ], [ 412, 164, 0, 151, 0, "IMAGE" ] ], "groups": [ { "id": 11, "title": "Video/Image Preprocessing", "bounding": [ -540, 4010, 670, 990 ], "color": "#3f789e", "font_size": 24, "flags": {} }, { "id": 13, "title": "video length", "bounding": [ -520, 4190, 290, 180 ], "color": "#3f789e", "font_size": 24, "flags": {} }, { "id": 14, "title": "Video Settings", "bounding": [ -1000, 4250, 320, 640 ], "color": "#3f789e", "font_size": 24, "flags": {} } ], "definitions": { "subgraphs": [ { "id": "68857357-cbc2-4c3a-a786-c3a58d43f9b1", "version": 1, "state": { "lastGroupId": 11, "lastNodeId": 155, "lastLinkId": 381, "lastRerouteId": 0 }, "revision": 0, "config": {}, "name": "Canny to Video (LTX 2.0)", "inputNode": { "id": -10, "bounding": [ -1840, 4090, 144.349609375, 200 ] }, "outputNode": { "id": -20, "bounding": [ 1750, 4090, 120, 60 ] }, "inputs": [ { "id": "0f1d2f96-933a-4a7b-8f1a-7b49fc4ade09", 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