qt视频显示程序，多线程、通过paintEvent画在lcd上，速度较快。-qt video display program, multi-threaded, painted by paintEvent lcd on, faster.

访问摄像头数据，在获取的视频图像中画一条线，比较基础的视频处理代码，需要的朋友可以下载哦-Access to the camera data, in obtaining the video images to draw a line, compared handling code based on the video, you need friends you can download

51单片机驱动2.8寸tft彩屏程序以显示字符、汉字、画线功能-51 MCU-driven 2.8-inch tft color screen program to display the character, Chinese characters, drawing a line function