cmmb协议解复用，按cmmb协议格式解码复用帧，将视频、音频、esg数据输出到文件,CMMB protocol demultiplexing, in accordance with the agreement CMMB multiplexing frame format decoder, video, audio, esg data output to a file

主要采用C语言解复用出视频段、音频段以及数据段的相关复用内容，并将其里面的数据储存在结构体数组里，以供其他模块使用。-Mainly uses the C language demultiplexing a video segment, audio segment, and data re-use the contents of the relevant section, and its inside structure of data stored in an array of years, f