def video_to_text(video_path):
    """
    示例输出（实际替换为Video-LLA的真实接口）
    """
    sample_data = [
        "人群正常走动，有说有笑",
        "突然有人快速奔跑，撞倒路人",
        "多人聚集推搡，出现尖叫声"
    ]
    return "\n".join(sample_data)

if __name__ == '__main__':
    text = video_to_text("test.mp4")
    print("视频转文字结果：\n", text)