一个实现MPEG2传输流的组播发送和接收。其中DSNetwork是SDK中实现了组播发送和接收两个Filter的项目，FilterTSSource是模拟发送MPEG2传输流的Source Filter实现，已通过测试。-A realization of MPEG2 transport stream to send and receive multicast. DSNetwork is the SDK which implements the multicast to send and recei