{
  "id": "greenscreen-key",
  "name": "Greenscreen Key",
  "description": "Keys out a green screen background and outputs transparent alpha for compositing.",
  "category": "Keying",
  "entryPoint": "shadeVideo",
  "parameters": [
    {
      "id": "screenColor",
      "label": "Screen Color",
      "type": "color",
      "default": [0.15, 0.85, 0.2, 1.0],
      "min": [0.0, 0.0, 0.0, 0.0],
      "max": [1.0, 1.0, 1.0, 1.0],
      "step": [0.01, 0.01, 0.01, 0.01]
    },
    {
      "id": "threshold",
      "label": "Threshold",
      "type": "float",
      "default": 0.24,
      "min": 0.01,
      "max": 0.8,
      "step": 0.005
    },
    {
      "id": "softness",
      "label": "Softness",
      "type": "float",
      "default": 0.12,
      "min": 0.001,
      "max": 0.5,
      "step": 0.005
    },
    {
      "id": "edgeSoftness",
      "label": "Edge Softness",
      "type": "float",
      "default": 0.08,
      "min": 0.0,
      "max": 0.4,
      "step": 0.005
    },
    {
      "id": "erodeDilate",
      "label": "Erode/Dilate",
      "type": "float",
      "default": 0.0,
      "min": -0.3,
      "max": 0.3,
      "step": 0.005
    },
    {
      "id": "despill",
      "label": "Despill",
      "type": "float",
      "default": 0.45,
      "min": 0.0,
      "max": 1.5,
      "step": 0.01
    },
    {
      "id": "edgeBoost",
      "label": "Edge Boost",
      "type": "float",
      "default": 0.08,
      "min": -0.2,
      "max": 0.3,
      "step": 0.005
    },
    {
      "id": "clipBlack",
      "label": "Clip Black",
      "type": "float",
      "default": 0.0,
      "min": 0.0,
      "max": 0.5,
      "step": 0.005
    },
    {
      "id": "clipWhite",
      "label": "Clip White",
      "type": "float",
      "default": 1.0,
      "min": 0.5,
      "max": 1.0,
      "step": 0.005
    }
  ]
}