从视频生成视频

curl --request POST \
  --url https://api.cometapi.com/runwayml/v1/video_to_video \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-Runway-Version: <x-runway-version>' \
  --data '
{
  "videoUri": "https://media.w3.org/2010/05/sintel/trailer.mp4",
  "promptText": "Make the motion feel cinematic.",
  "model": "gen4_aleph",
  "references": [
    {
      "type": "image",
      "uri": "https://res.cloudinary.com/demo/image/upload/dog.jpg"
    }
  ],
  "ratio": "1280:720"
}
'

{
  "id": "12a01a5e-ab55-4aa7-b002-7b873546cf76"
}