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setting strength = 1\n\nYou can use LTX [Ready to use camera LoRAs](https://huggingface.co/collections/Lightricks/ltx-2)\n\n\n\n\nUse a second LoRa only when the details are important in the LoRa. \n\n## Training\nWe have made available a full trainer to help you to train your own LoRA. 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"widgets": [] } ] }, "extra": { "VHS_KeepIntermediate": true, "VHS_MetadataImage": true, "VHS_latentpreview": false, "VHS_latentpreviewrate": 0, "comfy_fork_version": "feature/av_inference@a6994ed1", "ds": { "offset": [ -1089.6390829321672, -6610.490945700678 ], "scale": 0.47759245165177056 }, "frontendVersion": "1.36.14", "prompt": { "1": { "_meta": { "title": "Load Checkpoint" }, "class_type": "CheckpointLoaderSimple", "inputs": { "ckpt_name": "ltx-av-step-1751000_vocoder_24K.safetensors" } }, "2": { "_meta": { "title": "๐Ÿ…›๐Ÿ…ฃ๐Ÿ…ง Gemma 3 Model Loader" }, "class_type": "LTXVGemmaCLIPModelLoader", "inputs": { "gemma_path": "gemma-3-12b-it-qat-q4_0-unquantized_readout_proj/model/model.safetensors", "ltxv_path": "ltx-av-step-1751000_vocoder_24K.safetensors", "max_length": 1024 } }, "3": { "_meta": { "title": "CLIP Text Encode (Prompt)" }, "class_type": "CLIPTextEncode", "inputs": { "clip": [ "2", 0 ], "text": "" } }, "4": { "_meta": { "title": "CLIP Text Encode (Prompt)" }, "class_type": "CLIPTextEncode", "inputs": { "clip": [ "2", 0 ], "text": "blurry, low quality, still frame, frames, watermark, overlay, titles, has blurbox, has subtitles" } }, "8": { "_meta": { "title": "KSamplerSelect" }, "class_type": "KSamplerSelect", "inputs": { "sampler_name": "euler" } }, "9": { "_meta": { "title": "LTXVScheduler" }, "class_type": "LTXVScheduler", "inputs": { "base_shift": 0.95, "latent": [ "28", 0 ], "max_shift": 2.05, "steps": 20, "stretch": true, "terminal": 0.1 } }, "11": { "_meta": { "title": "RandomNoise" }, "class_type": "RandomNoise", "inputs": { "noise_seed": 10 } }, "12": { "_meta": { "title": "VAE Decode" }, "class_type": "VAEDecode", "inputs": { "samples": [ "29", 0 ], "vae": [ "1", 2 ] } }, "13": { "_meta": { "title": "๐Ÿ…›๐Ÿ…ฃ๐Ÿ…ง LTXV Audio VAE Loader" }, "class_type": "LTXVAudioVAELoader", "inputs": { "ckpt_name": "ltx-av-step-1751000_vocoder_24K.safetensors" } }, "14": { "_meta": { "title": "๐Ÿ…›๐Ÿ…ฃ๐Ÿ…ง LTXV Audio VAE Decode" }, "class_type": "LTXVAudioVAEDecode", "inputs": { "audio_vae": [ "13", 0 ], "samples": [ "29", 1 ] } }, "15": { "_meta": { "title": "Video Combine ๐ŸŽฅ๐Ÿ…ฅ๐Ÿ…—๐Ÿ…ข" }, "class_type": "VHS_VideoCombine", "inputs": { "audio": [ "14", 0 ], "crf": 19, "filename_prefix": "AnimateDiff", "format": "video/h264-mp4", "frame_rate": [ "23", 0 ], "images": [ "12", 0 ], "loop_count": 0, "pingpong": false, "pix_fmt": "yuv420p", "save_metadata": true, "save_output": true, "trim_to_audio": false } }, "17": { "_meta": { "title": "๐Ÿ…›๐Ÿ…ฃ๐Ÿ…ง Multimodal Guider" }, "class_type": "MultimodalGuider", "inputs": { "model": [ "28", 1 ], "negative": [ "22", 1 ], "parameters": [ "18", 0 ], "positive": [ "22", 0 ], "skip_blocks": "29" } }, "18": { "_meta": { "title": "๐Ÿ…›๐Ÿ…ฃ๐Ÿ…ง Guider Parameters" }, "class_type": "GuiderParameters", "inputs": { "cfg": 3, "modality": "VIDEO", "modality_scale": 3, "parameters": [ "19", 0 ], "rescale": 0, "stg": 0 } }, "19": { "_meta": { "title": "๐Ÿ…›๐Ÿ…ฃ๐Ÿ…ง Guider Parameters" }, "class_type": "GuiderParameters", "inputs": { "cfg": 7, "modality": "AUDIO", "modality_scale": 3, "rescale": 0, "stg": 0 } }, "21": { "_meta": { "title": "PreviewAudio" }, "class_type": "PreviewAudio", "inputs": { "audio": [ "14", 0 ], "audioUI": "" } }, "22": { "_meta": { "title": "LTXVConditioning" }, "class_type": "LTXVConditioning", "inputs": { "frame_rate": [ "23", 0 ], "negative": [ "4", 0 ], "positive": [ "3", 0 ] } }, "23": { "_meta": { "title": "Float Constant" }, "class_type": "FloatConstant", "inputs": { "value": 25 } }, "26": { "_meta": { "title": "๐Ÿ…›๐Ÿ…ฃ๐Ÿ…ง LTXV Empty Latent Audio" }, "class_type": "LTXVEmptyLatentAudio", "inputs": { "batch_size": 1, "frame_rate": [ "42", 0 ], "frames_number": [ "27", 0 ] } }, "27": { "_meta": { "title": "INT Constant" }, "class_type": "INTConstant", "inputs": { "value": 105 } }, "28": { "_meta": { "title": "๐Ÿ…›๐Ÿ…ฃ๐Ÿ…ง LTXV Concat AV Latent" }, "class_type": "LTXVConcatAVLatent", "inputs": { "audio_latent": [ "26", 0 ], "model": [ "44", 0 ], "video_latent": [ "43", 0 ] } }, "29": { "_meta": { "title": "๐Ÿ…›๐Ÿ…ฃ๐Ÿ…ง LTXV Separate AV Latent" }, "class_type": "LTXVSeparateAVLatent", "inputs": { "av_latent": [ "41", 0 ], "model": [ "28", 1 ] } }, "41": { "_meta": { "title": "SamplerCustomAdvanced" }, "class_type": "SamplerCustomAdvanced", "inputs": { "guider": [ "17", 0 ], "latent_image": [ "28", 0 ], "noise": [ "11", 0 ], "sampler": [ "8", 0 ], "sigmas": [ "9", 0 ] } }, "42": { "_meta": { "title": "FloatToInt" }, "class_type": "CM_FloatToInt", "inputs": { "a": [ "23", 0 ] } }, "43": { "_meta": { "title": "EmptyLTXVLatentVideo" }, "class_type": "EmptyLTXVLatentVideo", "inputs": { "batch_size": 1, "height": 512, "length": [ "27", 0 ], "width": 768 } }, "44": { "_meta": { "title": "LTXVSequenceParallelMultiGPUPatcher" }, "class_type": "LTXVSequenceParallelMultiGPUPatcher", "inputs": { "disable_backup": false, "model": [ "1", 0 ], "torch_compile": true } }, "45": { "_meta": { "title": "LTXVAddGuide" }, "class_type": "LTXVAddGuide", "inputs": { "frame_idx": 0, "strength": 1 } } }, "workflowRendererVersion": "LG" }, "groups": [], "id": "7f5e0c56-93b4-4937-b7f2-efd0f1853e33", "last_link_id": 365, "last_node_id": 180, "links": [ [ 365, 177, 0, 104, 0, "VIDEO" ] ], "nodes": [ { "flags": {}, "id": 104, "inputs": [ { "link": 365, "name": "video", "type": "VIDEO" } ], "mode": 0, "order": 4, "outputs": [], "pos": [ 3010, 7180 ], "properties": { "Node name for S&R": "SaveVideo", "cnr_id": "comfy-core", "enableTabs": false, "hasSecondTab": false, "secondTabOffset": 80, "secondTabText": "Send Back", "secondTabWidth": 65, "tabWidth": 65, "tabXOffset": 10, "ver": "0.5.1" }, "size": [ 670.0771562911698, 584.6954036515563 ], "type": "SaveVideo", "widgets_values": [ "video/LTX-2", "auto", "auto" ] }, { "bgcolor": "#000", "color": "#222", "flags": {}, "id": 178, "inputs": [], "mode": 0, "order": 0, "outputs": [], "pos": [ 1930, 7180 ], "properties": {}, "size": [ 640, 750 ], "title": "Model Links", "type": "MarkdownNote", "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\n## Model links (for local users)\n\n**checkpoints**\n\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_fp4_mixed.safetensors](https://huggingface.co/Comfy-Org/ltx-2/resolve/main/split_files/text_encoders/gemma_3_12B_it_fp4_mixed.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-lora-camera-control-dolly-left.safetensors](https://huggingface.co/Lightricks/LTX-2-19b-LoRA-Camera-Control-Dolly-Left/resolve/main/ltx-2-19b-lora-camera-control-dolly-left.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```\n๐Ÿ“‚ ComfyUI/\nโ”œโ”€โ”€ ๐Ÿ“‚ models/\nโ”‚ โ”œโ”€โ”€ ๐Ÿ“‚ checkpoints/\nโ”‚ โ”‚ โ”œโ”€โ”€ ltx-2-19b-distilled.safetensors\nโ”‚ โ”‚ โ””โ”€โ”€ ltx-2-19b-distilled-fp8.safetensors\nโ”‚ โ”œโ”€โ”€ ๐Ÿ“‚ text_encoders/\nโ”‚ โ”‚ โ””โ”€โ”€ gemma_3_12B_it_fp4_mixed.safetensors\nโ”‚ โ”œโ”€โ”€ ๐Ÿ“‚ loras/\nโ”‚ โ”‚ โ”œโ”€โ”€ ltx-2-19b-distilled-lora-384.safetensors\nโ”‚ โ”‚ โ””โ”€โ”€ ltx-2-19b-lora-camera-control-dolly-left.safetensors\nโ”‚ โ””โ”€โ”€ ๐Ÿ“‚ latent_upscale_models/\nโ”‚ โ””โ”€โ”€ 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/installation/update_comfyui)) and prepare required models. Desktop/Cloud will be updated after the stable release; 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/Comfy-Org/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)" ] }, { "bgcolor": "#000", "color": "#222", "flags": {}, "id": 179, "inputs": [], "mode": 0, "order": 1, "outputs": [], "pos": [ 2770, 7030 ], "properties": {}, "size": [ 210, 88 ], "title": "Note", "type": "MarkdownNote", "widgets_values": [ "The node below is a subgraph. Learn more at [Subgraph docs](https://docs.comfy.org/interface/features/subgraph)" ] }, { "bgcolor": "#000", "color": "#222", "flags": { "collapsed": false }, "id": 180, "inputs": [], "mode": 0, "order": 2, "outputs": [], "pos": [ 2620, 7660 ], "properties": {}, "size": [ 360, 150 ], "title": "About Size", "type": "MarkdownNote", "widgets_values": [ "Width & height settings must be divisible by 64.\nFrame count must be divisible by 8 + 1. \n\n\nRunning with invalid parameters **will not cause errors**. 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." ] }, { "flags": {}, "id": 177, "inputs": [ { "label": "frame_count", "link": null, "name": "value_1", "type": "INT", "widget": { "name": "value_1" } } ], "mode": 0, "order": 3, "outputs": [ { "links": [ 365 ], "name": "VIDEO", "type": "VIDEO" } ], "pos": [ 2610, 7180 ], "properties": { "cnr_id": "comfy-core", "enableTabs": false, "hasSecondTab": false, "proxyWidgets": [ [ "-1", "value" ], [ "-1", "width" ], [ "-1", "height" ], [ "-1", "value_1" ], [ "123", "noise_seed" ], [ "123", "control_after_generate" ], [ "-1", "ckpt_name" ], [ "-1", "model_name" ], [ "-1", "text_encoder" ] ], "secondTabOffset": 80, "secondTabText": "Send Back", "secondTabWidth": 65, "tabWidth": 65, "tabXOffset": 10, "ver": "0.7.0" }, "size": [ 370, 430 ], "type": "9b0e709c-82c7-46c0-a2e4-5e96b6f16090", "widgets_values": [ "A man in a black tuxedo stands motionless in a small, red-tiled bathroom, facing a mirror. The camera sits just behind his right shoulder, framing both his back and his solemn reflection. Suddenly, he opens his mouth and begins to sing opera in Italian: \"La donna รจ mobile, qual piuma al vento.\" Rich, resonant notes echo through the space. As his voice climbs in pitch, his brows lift, and his expression becomes more passionate, almost vulnerable. The overhead lighting casts a sharp glow on his face and tuxedo, reflecting in the glossy red tiles around him. The camera is static", 1280, 720, 121, null, null, "ltx-2-19b-distilled.safetensors", "ltx-2-spatial-upscaler-x2-1.0.safetensors", "gemma_3_12B_it_fp4_mixed.safetensors" ] } ], "revision": 0, "version": 0.4 }