for #250, add mpegts over udp stream caster class.

trunk/src/app/srs_app_mpegts_udp.hpp

@@ -0,0 +1,62 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013-2015 winlin
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef SRS_APP_MPEGTS_UDP_HPP
+#define SRS_APP_MPEGTS_UDP_HPP
+
+/*
+#include <srs_app_mpegts_udp.hpp>
+*/
+
+#include <srs_core.hpp>
+
+class sockaddr_in;
+
+class SrsConfDirective;
+
+#ifdef SRS_AUTO_STREAM_CASTER
+
+/**
+* the mpegts over udp stream caster.
+*/
+class SrsMpegtsOverUdp
+{
+public:
+    SrsMpegtsOverUdp(SrsConfDirective* c);
+    virtual ~SrsMpegtsOverUdp();
+public:
+    /**
+    * when udp listener got a udp packet, notice server to process it.
+    * @param type, the client type, used to create concrete connection, 
+    *       for instance RTMP connection to serve client.
+    * @param from, the udp packet from address.
+    * @param buf, the udp packet bytes, user should copy if need to use.
+    * @param nb_buf, the size of udp packet bytes.
+    * @remark user should never use the buf, for it's a shared memory bytes.
+    */
+    virtual int on_udp_packet(sockaddr_in* from, char* buf, int nb_buf);
+};
+
+#endif
+
+#endif