add dvr framework

trunk/src/app/srs_app_dvr.hpp

@@ -0,0 +1,77 @@
+/*
+The MIT License (MIT)
+
+Copyright (c) 2013-2014 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_DVR_HPP
+#define SRS_APP_DVR_HPP
+
+/*
+#include <srs_app_dvr.hpp>
+*/
+#include <srs_core.hpp>
+
+#ifdef SRS_AUTO_DVR
+
+class SrsSource;
+class SrsRequest;
+class SrsAmf0Object;
+class SrsSharedPtrMessage;
+
+/**
+* dvr(digital video recorder) to record RTMP stream to flv file.
+* TODO: FIXME: add utest for it.
+*/
+class SrsDvr
+{
+private:
+    SrsSource* _source;
+public:
+    SrsDvr(SrsSource* source);
+    virtual ~SrsDvr();
+public:
+    /**
+    * publish stream event, continue to write the m3u8,
+    * for the muxer object not destroyed.
+    */
+    virtual int on_publish(SrsRequest* req);
+    /**
+    * the unpublish event, only close the muxer, donot destroy the 
+    * muxer, for when we continue to publish, the m3u8 will continue.
+    */
+    virtual void on_unpublish();
+    /**
+    * get some information from metadata, it's optinal.
+    */
+    virtual int on_meta_data(SrsAmf0Object* metadata);
+    /**
+    * mux the audio packets to ts.
+    */
+    virtual int on_audio(SrsSharedPtrMessage* audio);
+    /**
+    * mux the video packets to ts.
+    */
+    virtual int on_video(SrsSharedPtrMessage* video);
+};
+
+#endif
+
+#endif