VideoGenerationRequest

{
    "model": "doubao-seedance-2-5-260628",
    "prompt": "宇航员在月球表面缓缓行走",
    "image": "https://example.com/reference-image.jpg",
    "seconds": "-1",
    "metadata": {
        "ratio": "16:9",
        "resolution": "480p",
        "seed": 42,
        "watermark": false,
        "camera_fixed": false,
        "content": [
            {
                "type": "text",
                "text": "宇航员站起身，回望地球",
                "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"
            }
        ],
        "return_last_frame": false,
        "generate_audio": false,
        "draft": false,
        "omni_reference_task_type": "reference",
        "output_format": "mp4",
        "service_tier": "default",
        "callback_url": "https://your-server.com/webhook/video-callback"
    }
}