mpeg2的ts流解析，按照实际播放流媒体的过程来实现，从pat表分析出pmt表内容，从pmt表内容分析es流的pid，然后把video,audio内容的es 流输出相应pid名的文件。 -mpeg2 ts stream of analysis, the actual process of playing streaming media to achieve, pat the table from the contents of the pmt table, the table of co