视频直播及设置 (Live video and settings)

内容有以下几点 (The content has the following points)：

1.设备视频直播及清晰度切换 (Device video live broadcast and sharpness switching)

2.抓拍设备画面截图（格式为JPG）(Screenshot of the capture device screen (in JPG format))

3.监听设备 (Monitoring device)

4.录制设备画面 (Recording device screen)

5.发送音频 (Send audio)

6.设备设置 (Device settings)