SHRTPData.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 MN_SH_RTP_DATA_H
#define MN_SH_RTP_DATA_H

#include <sys/types.h>
#include "var_type.h"

#include "SHData.h"

class MNRope;
class SHPlainData;

namespace SH
{
  
  class SHRTPData : public Data
    {
    public:
      static const bool Consume     = true;
      static const bool DontConsume = false;
      
    public:
      SHRTPData(u_int32 timestamp, 
                u_int16 extHdrType, 
                MNRope*& extHdrPayload, 
                SHPlainData*& data,
                struct timeval presTime, 
                bool sync, 
                bool consume_data);
      //    SHRTPData( const uchar_t* data, size_t len );
      SHRTPData(const uchar_t* data, size_t len, size_t hdrlen);
      
      virtual ~SHRTPData();
      
      virtual DataPtr clone();
        
      virtual size_t getByteSize( ) const;
          
      
      u_int32 getRTPTimestamp();
      u_int16 getExtHdrType();
      MNRope* getExtHdrPayload();
      
      SHPlainData* get_payloadData_asPlainData();
      
      virtual bool isPlainData( )   const { return false;  } 
      virtual bool isOrderedData( ) const { return false; }  
      virtual bool isRTPData( )     const { return false; }  
      virtual bool isDummyData( )   const { return false; }  
      virtual bool isSHRTPData( )   const { return true; }   
        /* Return contents of synchronized-flag 
           @return true if RTCP information has been used, false otherwise
        */
      bool hasBeenSynchronized( ) const {return _synchronized; }
      /* Return presentation timestamp calculated from RTP timestamp. Note
         the calculation has been done by the
         RTPDecoderSH.
         @return presentation timestamp as struct timeval.
      */
      struct timeval getPT( ) const {return _presTime;}

protected:
      // MNRope* _data;
      //MNRTPPacket* _headers;
      u_int32 _rtpTimestamp;
      u_int16 _extHdrType;
      MNRope* _extHdrPayload;
      SHPlainData* _payloadData;

private:
        SHRTPData( const SHRTPData& );
        
        SHRTPData& operator=( const SHRTPData& );
          
        bool _synchronized;
        
        struct timeval _presTime;
};


}; // namespace SH

#endif /* MN_SH_RTP_DATA_H */

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