VideoSubtitleAutoVO

{
    "videoUrl": "https://example.com/video.mp4",
    "text": "这是字幕文本",
    "fontSize": 12,
    "fontId": 2,
    "color": "&HFFFFFF&",
    "borderColor": "&H000000&",
    "borderWidth": 1,
    "marginV": 10
}