// // Copyright (C) 2005 Andras Varga // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation; either version 2 // of the License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // // Video stream server. To be used with UDPVideoStreamCli. // // The server will wait for incoming "video streaming requests". // When a request arrives, it draws a random video stream size // using the videoSize parameter, and starts streaming to the client. // During streaming, it will send \UDP packets of size packetLen at every // waitInterval, until videoSize is reached. The parameters packetLen // and waitInterval can be set to constant values to create CBR traffic, // or to random values (e.g. waitInterval=uniform(1e-6, 1.01e-6)) to // accomodate jitter. // // The server can serve several clients, and several streams per client. // // @see UDPVideoStreamCli // simple UDPVideoStreamSvr parameters: serverPort: numeric const, // port to listen on waitInterval: numeric, // can be random, to accomodate jitter packetLen: numeric, // bytes; can be random videoSize: numeric; // bytes; can be random gates: in: from_udp; out: to_udp; endsimple