ensure the HLS(ts) is continous when republish stream.

@@ -212,6 +212,7 @@ usr sys idl wai hiq siq| read  writ| recv  send|  in   out | int   csw
 * nginx v1.5.0: 139524 lines <br/>
 
 ### History
+* v0.9, 2013-12-15, ensure the HLS(ts) is continous when republish stream.
 * v0.9, 2013-12-15, fix the hls reload bug, feed it the sequence header.
 * v0.9, 2013-12-15, refine protocol, use int64_t timestamp for ts and jitter.
 * v0.9, 2013-12-15, support set the live queue length(in seconds), drop when full.

@@ -1332,12 +1332,12 @@ int SrsHls::on_video(SrsSharedPtrMessage* video)
 		return ret;
 	}
 	
-	_mpegts();
+	hls_mux();
 	
 	return ret;
 }
 
-void SrsHls::_mpegts()
+void SrsHls::hls_mux()
 {
 	// reportable
 	if (pithy_print->can_print()) {

@@ -217,13 +217,30 @@ public:
 	SrsHls(SrsSource* _source);
 	virtual ~SrsHls();
 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);
 private:
-	virtual void _mpegts();
+	virtual void hls_mux();
 };
 
 #endif

@@ -546,7 +546,6 @@ int SrsSource::on_reload_hls(string vhost)
 		return ret;
 	}
 	
-	// TODO: HLS should continue previous sequence and stream.
 #ifdef SRS_HLS
 	hls->on_unpublish();
 	if ((ret = hls->on_publish(req)) != ERROR_SUCCESS) {