DoubaoNativeVideoRequest

{
    "model": "doubao-seedance-2-5-260628",
    "content": [
        {
            "type": "text",
            "text": "The astronaut stands up and looks back at Earth",
            "image_url": {
                "url": "https://example.com/reference-photo.jpg"
            },
            "video_url": {
                "url": "https://example.com/input-video-clip.mp4"
            },
            "audio_url": {
                "url": "https://example.com/background-music.mp3"
            },
            "role": "first_frame"
        }
    ],
    "prompt": "An astronaut walks slowly across the lunar surface",
    "duration": -1,
    "ratio": "adaptive",
    "resolution": "480p",
    "seed": 42,
    "watermark": false,
    "camera_fixed": false,
    "generate_audio": false,
    "return_last_frame": false,
    "draft": false,
    "omni_reference_task_type": "reference",
    "output_format": "mp4",
    "service_tier": "default",
    "callback_url": "https://your-server.com/webhook/video-callback"
}