{
  "schema_version": "2",
  "name": "LTX-2.5 Text/Image-to-Video",
  "references": [
    {
      "id": "ref_prompt",
      "label": "Prompt",
      "role": "reference",
      "asset_type": "text",
      "inputs": [
        {
          "id": "in",
          "label": "Text",
          "type": "text"
        }
      ],
      "outputs": [
        {
          "id": "out",
          "label": "Text",
          "type": "text"
        }
      ],
      "x": 40,
      "y": 40,
      "width": 280,
      "height": 180
    },
    {
      "id": "ref_image",
      "label": "Input Image (optional, image-to-video)",
      "role": "reference",
      "asset_type": "image",
      "inputs": [
        {
          "id": "in",
          "label": "Image",
          "type": "image"
        }
      ],
      "outputs": [
        {
          "id": "out",
          "label": "Image",
          "type": "image"
        }
      ],
      "x": 40,
      "y": 300,
      "width": 280,
      "height": 210
    }
  ],
  "operators": [
    {
      "id": "op_enhance",
      "label": "Enhance Prompt (Gemma-4)",
      "role": "operator",
      "kind": "fn",
      "fn": "enhance_prompt",
      "inputs": [
        {
          "id": "prompt",
          "label": "Prompt",
          "type": "text",
          "required": true
        },
        {
          "id": "image_path",
          "label": "Input image (optional)",
          "type": "image"
        },
        {
          "id": "do_enhance",
          "label": "Enhance prompt",
          "type": "boolean",
          "default_value": true
        }
      ],
      "outputs": [
        {
          "id": "enhanced",
          "label": "Enhanced prompt",
          "type": "text",
          "output_index": 0
        }
      ],
      "x": 400,
      "y": 40,
      "width": 300,
      "height": 200
    },
    {
      "id": "op_ltx",
      "label": "LTX-2.5 Generate (ZeroGPU)",
      "role": "operator",
      "kind": "fn",
      "fn": "generate_video",
      "inputs": [
        {
          "id": "prompt",
          "label": "Prompt (enhanced)",
          "type": "text",
          "required": true
        },
        {
          "id": "image_path",
          "label": "Input image (optional)",
          "type": "image"
        },
        {
          "id": "height",
          "label": "Height",
          "type": "number",
          "default_value": 1472
        },
        {
          "id": "width",
          "label": "Width",
          "type": "number",
          "default_value": 832
        },
        {
          "id": "duration_s",
          "label": "Duration (s)",
          "type": "number",
          "default_value": 2
        },
        {
          "id": "seed",
          "label": "Seed",
          "type": "number",
          "default_value": 42
        },
        {
          "id": "decoder",
          "label": "Decoder",
          "type": "text",
          "default_value": "conv",
          "choices": [
            "conv",
            "diffusion"
          ]
        },
        {
          "id": "auto_len",
          "label": "Auto length",
          "type": "boolean",
          "default_value": false
        },
        {
          "id": "randomize_seed",
          "label": "Randomize seed",
          "type": "boolean",
          "default_value": true
        }
      ],
      "outputs": [
        {
          "id": "video",
          "label": "Result (with audio)",
          "type": "video",
          "output_index": 0
        },
        {
          "id": "seed_used",
          "label": "Seed used",
          "type": "number",
          "output_index": 1
        },
        {
          "id": "length",
          "label": "Length generated",
          "type": "text",
          "output_index": 2
        }
      ],
      "x": 780,
      "y": 40,
      "width": 320,
      "height": 460
    }
  ],
  "subjects": [
    {
      "id": "sub_video",
      "label": "Output Video",
      "role": "subject",
      "asset_type": "video",
      "inputs": [
        {
          "id": "in",
          "label": "Video",
          "type": "video"
        }
      ],
      "outputs": [
        {
          "id": "out",
          "label": "Video",
          "type": "video"
        }
      ],
      "x": 1180,
      "y": 40,
      "width": 340,
      "height": 300
    },
    {
      "id": "sub_prompt",
      "label": "Enhanced Prompt",
      "role": "subject",
      "asset_type": "text",
      "inputs": [
        {
          "id": "in",
          "label": "Text",
          "type": "text"
        }
      ],
      "outputs": [
        {
          "id": "out",
          "label": "Text",
          "type": "text"
        }
      ],
      "x": 400,
      "y": 300,
      "width": 300,
      "height": 210
    },
    {
      "id": "sub_seed",
      "label": "Seed Used",
      "role": "subject",
      "asset_type": "text",
      "inputs": [
        {
          "id": "in",
          "label": "Seed",
          "type": "number"
        }
      ],
      "outputs": [
        {
          "id": "out",
          "label": "Seed",
          "type": "number"
        }
      ],
      "x": 1180,
      "y": 400,
      "width": 340,
      "height": 150
    }
  ],
  "edges": [
    {
      "id": "e1",
      "from_node_id": "ref_prompt",
      "from_port_id": "out",
      "to_node_id": "op_enhance",
      "to_port_id": "prompt",
      "type": "text"
    },
    {
      "id": "e2",
      "from_node_id": "ref_image",
      "from_port_id": "out",
      "to_node_id": "op_enhance",
      "to_port_id": "image_path",
      "type": "image"
    },
    {
      "id": "e3",
      "from_node_id": "ref_image",
      "from_port_id": "out",
      "to_node_id": "op_ltx",
      "to_port_id": "image_path",
      "type": "image"
    },
    {
      "id": "e4",
      "from_node_id": "op_enhance",
      "from_port_id": "enhanced",
      "to_node_id": "op_ltx",
      "to_port_id": "prompt",
      "type": "text"
    },
    {
      "id": "e5",
      "from_node_id": "op_ltx",
      "from_port_id": "video",
      "to_node_id": "sub_video",
      "to_port_id": "in",
      "type": "video"
    },
    {
      "id": "e6",
      "from_node_id": "op_enhance",
      "from_port_id": "enhanced",
      "to_node_id": "sub_prompt",
      "to_port_id": "in",
      "type": "text"
    },
    {
      "id": "e7",
      "from_node_id": "op_ltx",
      "from_port_id": "seed_used",
      "to_node_id": "sub_seed",
      "to_port_id": "in",
      "type": "number"
    }
  ]
}