RetransRecvBase.h

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/* Copyright (C) 2002 KOM/Darmstadt University of Technology
 *
 * You are allowed to use all other parts of the code under the following terms:
 *
 * For non-commercial use, code may be used in unmodified form provided
 * that this copyright notice and this permission notice appear in
 * supporting documentation.
 *
 * This software is provided "as is" and without any express or implied
 * warranties, including, without limitation, the implied warranty of
 * fitness for a particular purpose.
 *
 * The code may be subjected to the GNU General Public License, Version 2,
 * and re-distributed under the terms of this license.
 * As a special exception, permission is granted to link this code
 * with the Qt library and distribute executables, as long as you
 * follow the requirements of the GNU GPL in regard to all of the
 * software in the executable aside from Qt.
 *
 * Commercial use other than under the terms of the GNU General Public
 * License is allowed only after express negotiation of conditions
 * with the authors.
 */

#ifndef RETRANS_RECV_BASE_H
#define RETRANS_RECV_BASE_H

#include <config.h>

#include "var_type.h"
#include "sdp/PayloadTypes.h"
#include "sdp/RetransTypes.h"
#include "sh/SHReport.h"
#include "sh/SHReturnCodes.h"
#include "sh/SHData.h"
#include "rtp/MNRTPPacket.h"
#include "MNTimeval.h"

/**************************************************************
 * Class: RetransBase
 * Description: contains the basic functionality  to perform
 *              retransmissions.
 * Oslo, August 2002
 **************************************************************/

namespace SH
{
    class Base;
    class SinkEndpoint;
    class RTPDecoderSH;
};

class MNRope;
class MNRTPDecoderBase;
class MNSelector;

class RetransRecvBase
{
public:

     RetransRecvBase( );
     virtual ~RetransRecvBase( );

    static RetransRecvBase* factory( SDP::RetransTypes retrans_type, 
                                     SH::RTPDecoderSH* enc,
                                     MNSelector& sel );

    virtual void              setDecoder( MNRTPDecoderBase* enc ) = 0;

    virtual MNRTPDecoderBase* getDecoder( )                       = 0;

    virtual void init( int32 list_timeout, u_int32 repeat_timeouts ) = 0;
    virtual void startStreaming( )                                   = 0;
    virtual void stopStreaming( )                                    = 0;
    virtual void evalLCRTCPPacket( u_int32 ssrc,
                                   void*   data,
                                   int     len,
                                   int     subtype,
                                   char*   name,
                                   bool    inCallback )              = 0;
    virtual SH::DataPtr evalLCRTPPacket( MNRTPPacketPtr packet, 
                                         MNRope*& payload,
                                         u_int64_t& bytecount )      = 0;
};


#endif /* RETRANS_RECV_BASE_H */

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