Detecting that the sender has stopped talking to UDPSRC

[Wes Miller]

>> BTW: where do you get the sender ip address? 


   // pad probe handler for udpsrc:src
   gboolean cbRemoteSenderDetected( GstPad      *pad,
                                                     GstBuffer   *buffer,
                                                     gpointer    thisptr )  
// "this" of receiver object
   {
      GstNetBuffer*  netbuffer        ((GstNetBuffer*)buffer);
      guint32           intAddress      (0);
      guint16           port              (0);
      gchar             ipstr[30];
      GstReceiver*   that              ((GstReceiver*)thisptr);   // "this"
of receiver object

      // get the IP addr (UINT32) and port of the sender as seen by the
receiver
      gst_netaddress_get_ip4_address( &(netbuffer->from),
                                      &intAddress,
                                      &port);

      // get sender's IP address and port as a string
      gst_netaddress_to_string( &(netbuffer->from), ipstr, sizeof( ipstr ));

      if (   that->m_lastSenderIP == intAddress    // same IP is still
talking
          && that->m_lastSenderPort == port     )  // same port
      {
         return TRUE;
      }

..................

   return TRUE;
}



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