* if there isn't srt connect, it needn't epoll wait
* solve repush srt bugs
* change two thread to one thread
* mpegts discard header is not 0x47
* add srt_epoll_clear_usocks
* add srt parameter configure
* if there isn't srt connect, it needn't epoll wait
* solve repush srt bugs
* change two thread to one thread
* mpegts discard header is not 0x47
* add srt_epoll_clear_usocks