CreateVideoRequest

{
    "model": "Seedance-2.0-mini-480p",
    "prompt": "夕阳下的海浪缓缓拍打沙滩，电影感",
    "aspect_ratio": "16:9",
    "duration": 5,
    "image_url": "https://cdn.example.com/main.jpg",
    "reference_image_urls": [
        "https://cdn.example.com/person.jpg",
        "https://cdn.example.com/scene.jpg"
    ],
    "reference_images": [
        {
            "url": "https://cdn.example.com/zhiqiang.jpg",
            "name": "志强",
            "role": "subject"
        }
    ],
    "reference_image_names": [
        "志强",
        "清雅"
    ],
    "reference_image_roles": [
        "subject",
        "background"
    ],
    "reference_videos": [
        "https://cdn.example.com/ref.mp4"
    ],
    "reference_audios": [
        "https://cdn.example.com/bgm.mp3"
    ],
    "first_image_url": "https://cdn.example.com/start.jpg",
    "last_image_url": "https://cdn.example.com/end.jpg"
}