b/f: reset RTP-received timestamp when (re)starting process RTP stream

patch by Robert Szokovacs

core/AmMediaProcessor.cpp

@@ -395,6 +395,7 @@ void AmMediaProcessorThread::process(AmEvent* e)
   case AmMediaProcessor::InsertSession:
     DBG("Session inserted to the scheduler\n");
     sessions.insert(sr->s);
+    sr->s->RTPStream()->clearRTPTimeout();
     break;
 
   case AmMediaProcessor::RemoveSession:{

core/AmRtpStream.cpp

@@ -678,6 +678,10 @@ void AmRtpStream::clearRTPTimeout(struct timeval* recv_time) {
  memcpy(&last_recv_time, recv_time, sizeof(struct timeval));
 }
 
+void AmRtpStream::clearRTPTimeout() {
+  gettimeofday(&last_recv_time,NULL);
+}
+
 unsigned int AmRtpStream::bytes2samples(unsigned int) const {
   ERROR("bytes2samples called on AmRtpStream\n");
   return 0;

core/AmRtpStream.h

@@ -308,6 +308,11 @@ public:
    */
   void clearRTPTimeout(struct timeval* recv_time);
 
+  /*
+   * clear RTP timeout to current time
+   */
+  void clearRTPTimeout();
+
   virtual unsigned int bytes2samples(unsigned int) const;
 
   /** set relay stream for  RTP relaying */