本程序是用来分析3GP文件中METADATA结构，从中可以体会标准3GP规范定义的各个BOX的意思-this procedure is used to analyze METADATA! The document structure, One can understand! The standard specification defines the meaning of the various BOX

3GP文件结构解析原理 以及解码C++程序,3GP file structure analysis as well as decoding C++ program