MNRTPEncoderSPEG.h

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/* Copyright (C) 2000 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 MNRTPENCODERSPEG_H
#define MNRTPENCODERSPEG_H

#include "MNRTPEncoderCommon.h"
extern "C" {
#include "dbuf.h"
}
#include "SPEGPacket.h"
#include "MNTimeval.h"

/**************************************************************
 * Class: MNRTPEncoderSPEG
 * Description: contains the encoder functionality of the codec
 * September 2001
 **************************************************************/
#define CLOCKRATE       8000
#define MPEG_BANDWIDTH  8000

class MNRTPEncoderSPEG : public MNRTPEncoderCommon
{
    bool _first_run;

public:
    virtual 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 );

  MNRTPEncoderSPEG( RetransBase* retrans );
  virtual ~MNRTPEncoderSPEG();

  virtual u_int32_t get_std_bw( int fd );

  virtual int get_timer_type( );

 private:
  dbuf *packetBuffer;
  int numRecv;
  int numSent;
  int dropprio;

  Timeval lastTime;
  Timeval diffTime;
  int timeCount;
  int bcounter[4];

  void appendToBuffer (const uchar *data, size_t size);

};

#endif

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