ffmpeg的完整源代码和作者自己写的文档。不但有在Linux的工程哦，还有在Win32下的工程。好资料！-ffmpeg full source code and authors to write their own documentation. Not only the works in Linux Oh, works under Win32. Good information!

linux 下教学 教你如何熟练运用qt 编写可视化程序 开发图形化界面a-Under linux teaching teach you how to skillfully use qt application developers to write visualization graphical interface app

This class wraps an output stream and a cipher so that write methods send the data through the cipher before writing them to the underlying output stream Source Code for Linux.

实现在windows，Linux，嵌入式Linux下的文件读，写，删除，更新，获取文件信息，LINUX下的文件压缩解压等文件操作-File operations to achieve in the windows, Linux, Embedded Linux file read, write, delete, update, get the file information, file under Linux codecs