大屏液晶拼接控制系统，多子窗，多路多线程串口通讯，Ribbon风格，GridCtrl用法，漂亮的导航栏。-Large-screen LCD control system splicing, multiple sub-windows, multi-channel multi-threaded serial communication, Ribbon style, GridCtrl usage, beautiful navigation bar.

Qt借助ffmpeg通过rtsp直播，实现了网络摄像头的直播，最多支持16路视频流。但是，线程控制的不好，在重新打开视频流时，内存会出错，程序崩溃。-Qt With ffmpeg through rtmp live broadcast to achieve a webcam, supports up to 16 video streams. However, the thread control is not good, when you reopen the video stream, mem