LCRetrans.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 LC_RETRANS_H
#define LC_RETRANS_H

#include <config.h>
#include "RetransBase.h"
#include "RetransCommon.h"
#include "MNRope.h"
#include "lcrtp/MNLCRTPdefs.h"
#include "lcrtp/MNLCRTPLossList.h"
#include "lcrtp/MNLCRTPdefs.h"
#include "sh/MNRTPEncoderSH.h"
#include "sh/SHGraphManager.h"

/**************************************************************
 * Class: LCRetrans
 * Description: Contains the functionality that builds the
 *              corresponding RTP extension header for
 *              LC-RTP
 * Oslo, August 2002
 **************************************************************/

namespace SH 
{

class LCRetrans : public RetransCommon
{
    ProtectedU_int32  _repeat_timeouts;
    lcstreamer_send_t* _StreamData;
    u_int64           _offset;
    Timeval           _resend_timeout;
    MNMutex           _send_mutex;
    Base*     _encSH;
public:

    LCRetrans( Base* encSH );

    virtual ~LCRetrans( );

    MNRope* createExtensionHeaderData( int& type );
    bool    hasExtHeader( );
    bool    prepareCallback( );
    SH::ReportPtr sendEnd( );
    MNRope* get_next_data( SH::SinkEndpoint* pull_here,
                           size_t          max_bytes_to_pull,
                           SH::ReturnCode&   except,
                           size_t&         pulled_bytes,
                           bool&           rtp_marker,
                           u_int32&        rtp_timestamp,
                           Timeval&        next_playtime_packet,
                           int             bandwidth, 
                           int&            cbpidx);
    bool    evalRTRTCP( void* data, int len, int subtype, int& cbpidx); 
};

};
#endif /* LC_RETRANS_H */

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