官方格式参数生成

curl --location 'https://mliapi.com/v1/videos' \
--header 'Authorization: sk-xxxxx' \
--header 'Content-Type: application/json' \
--data '{
    "model": "doubao-seedance-2-0-260128",
    "prompt": "全程使用视频1的第一视角构图，全程使用音频1作为背景音乐。第一人称视角果茶宣传广告，seedance牌「苹苹安安」苹果果茶限定款；首帧为图片1，你的手摘下一颗带晨露的阿克苏红苹果，轻脆的苹果碰撞声；2-4 秒：快速切镜，你的手将苹果块投入雪克杯，加入冰块与茶底，用力摇晃，冰块碰撞声与摇晃声卡点轻快鼓点，背景音：「鲜切现摇」；4-6 秒：第一人称成品特写，分层果茶倒入透明杯，你的手轻挤奶盖在顶部铺展，在杯身贴上粉红包标，镜头拉近看奶盖与果茶的分层纹理；6-8 秒：第一人称手持举杯，你将图片2中的果茶举到镜头前（模拟递到观众面前的视角），杯身标签清晰可见，背景音「来一口鲜爽」，尾帧定格为图片2。背景声音统一为女生音色。",
    "metadata": {
        "content": [
            {
                "type": "image_url",
                "image_url": {
                    "url": "https://ark-project.tos-cn-beijing.volces.com/doc_image/r2v_tea_pic1.jpg"
                },
                "role": "reference_image"
            },
            {
                "type": "image_url",
                "image_url": {
                    "url": "https://ark-project.tos-cn-beijing.volces.com/doc_image/r2v_tea_pic2.jpg"
                },
                "role": "reference_image"
            },
            {
                "type": "video_url",
                "video_url": {
                    "url": "https://ark-project.tos-cn-beijing.volces.com/doc_video/r2v_tea_video1.mp4"
                },
                "role": "reference_video"
            },
            {
                "type": "audio_url",
                "audio_url": {
                    "url": "https://ark-project.tos-cn-beijing.volces.com/doc_audio/r2v_tea_audio1.mp3"
                },
                "role": "reference_audio"
            }
        ],
        "generate_audio": true,
        "ratio": "16:9",
        "duration": 11,
        "watermark": true
    }
}'