RTPPayloadSender.h

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/***************************************************************************
                          RTPPayloadSender.h  -  description
                             -------------------
    begin                : Wed Nov 28 2001
    copyright            : (C) 2001 by Matthias Oppitz
    email                : Matthias.Oppitz@gmx.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/


#ifndef __RTPPAYLOADSENDER_H__
#define __RTPPAYLOADSENDER_H__

#include <fstream.h>
#include "omnetpp.h"
#include "types.h"
#include "RTPInnerPacket.h"


class RTPPayloadSender : public cSimpleModule {
        
        Module_Class_Members(RTPPayloadSender, cSimpleModule, 8192);

        virtual ~RTPPayloadSender();

        public:
        
                virtual void initialize();

                virtual void activity();

                enum SenderStatus {
                        STOPPED, 
                        PLAYING 
                };
        
        protected:
        
                ifstream  _inputFileStream;
                
                int _mtu;
                
                u_int32 _ssrc;
                
                int _payloadType;
                
                int _clockRate;
                
                u_int32 _timeStampBase;
                
                u_int32 _timeStamp;
                
                u_int16 _sequenceNumberBase;
                
                u_int16 _sequenceNumber;
                
                SenderStatus _status;

                cMessage *_reminderMessage;
                
                virtual void initializeSenderModule(RTPInnerPacket *);

                virtual void openSourceFile(const char *fileName);

                virtual void closeSourceFile();

                virtual void play();

                virtual void playUntilTime(simtime_t moment);

                virtual void playUntilByte(int position);

                virtual void pause();

                virtual void seekTime(simtime_t moment);

                virtual void seekByte(int position);

                virtual void stop();

                virtual void endOfFile();

                virtual bool sendPacket();
};

#endif

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