TQ2440的资料USB摄像头实验中使用viewer.exe这个程序来读取摄像数据，本程序是viewer的QT版本-The TQ2440 the USB camera head experimental use viewer.exe this program to read the camera data, the program is the QT version of the viewer

LINUX 下QT打开摄像并操作的DEMO程序，值得-LINUX camera and operate under the QT open DEMO program, worth a look