{
  "$mulmocast": {
    "version": "1.1"
  },
  "lang": "en",
  "movieParams": {
    "provider": "google"
  },
  "canvasSize": {
    "width": 720,
    "height": 1280
  },
  "imageParams": {
    "provider": "openai",
    "model": "gpt-image-1-mini",
    "style": "Photo realistic, cinematic style.",
    "images": {
      "optimus": {
        "type": "image",
        "source": {
          "kind": "url",
          "url": "https://raw.githubusercontent.com/receptron/mulmocast-media/refs/heads/main/characters/optimus.png"
        }
      }
    }
  },
  "beats": [
    {
      "text": "Image with both image and movie prompt",
      "imagePrompt": "巨大なロケット「Starship」が発射台から打ち上がろうとしている様子。空には星と火星が浮かんでいる。",
      "moviePrompt": "Startship lifts off.",
      "duration": 5
    },
    {
      "text": "Image with only movie prompt",
      "moviePrompt": "Startship lifts off.",
      "duration": 5
    }
  ]
}