{
  "$mulmocast": { "version": "1.1" },
  "movieParams": {
    "provider": "replicate",
    "model": "runwayml/gen-4.5"
  },
  "imageParams": {
    "provider": "google"
  },
  "audioParams": {
    "bgmVolume": 0
  },
  "captionParams": {
    "lang": "en"
  },
  "lang": "en",
  "beats": [
    {
      "text": "Testing runwayml/gen-4.5 — text-to-video and image-to-video varieties.",
      "image": {
        "type": "textSlide",
        "slide": {
          "title": "runwayml/gen-4.5 test"
        }
      }
    },
    {
      "id": "runway-t2v-5s",
      "text": "Text-to-video, 5 seconds: a red fox trots through a snowy forest at dawn, pawprints left behind",
      "duration": 5,
      "moviePrompt": "a red fox trots through a snowy forest at dawn, pawprints left behind, soft golden light filtering through pine trees"
    },
    {
      "id": "runway-t2v-10s",
      "text": "Text-to-video, 10 seconds: bustling Tokyo crossing at night",
      "duration": 10,
      "moviePrompt": "aerial dolly shot over Shibuya crossing at night, neon lights reflecting on wet pavement, crowds of people crossing in all directions"
    },
    {
      "id": "runway-i2v-5s",
      "text": "Image-to-video, 5 seconds: ocean waves animated from a still image",
      "duration": 5,
      "imagePrompt": "a calm tropical beach at sunset, crystal-clear turquoise water, golden sand, photorealistic",
      "moviePrompt": "gentle waves lapping the shore, palm trees swaying softly in the breeze, camera slowly pushing forward"
    },
    {
      "id": "runway-i2v-10s",
      "text": "Image-to-video, 10 seconds: city skyline coming to life",
      "duration": 10,
      "imagePrompt": "futuristic city skyline at dusk, glass skyscrapers with glowing windows, photorealistic",
      "moviePrompt": "lights in the skyscraper windows flicker on one by one as night falls, slow upward pan along the tallest tower"
    }
  ]
}