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.

液晶屏显示与发送数据程序，针对1264系列的液晶屏，也就是市场上最常见的液晶屏的发送数据和显示程序-LCD screen display and send data procedures, for 1264 series of LCD screen, which is the most common LCD screen to send data and display program