traceencoder.h

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// ##########################################################################
// ####                                                                  ####
// ####                    Master Thesis Implementation                  ####
// ####  Management of Layered Variable Bitrate Multimedia Streams over  ####
// ####                  DiffServ with A Priori Knowledge                ####
// ####                                                                  ####
// #### ================================================================ ####
// ####                                                                  ####
// ####                                                                  ####
// #### Trace Encoder                                                    ####
// ####                                                                  ####
// #### Version 1.00  --  February 19, 2001                              ####
// ####                                                                  ####
// #### Copyright (C) 2000/2001 Thomas Dreibholz                         ####
// #### University of Bonn, Department of Computer Science IV            ####
// #### EMail: dreibh@iem.uni-due.de                                     ####
// #### WWW:   https://www.uni-due.de/~be0001/diplom/index.html          ####
// ####                                                                  ####
// ##########################################################################


#ifndef TRACEENCODER_H
#define TRACEENCDOER_H


#include "system.h"
#include "traceencoderinterface.h"
#include "tdtfmediareader.h"
#include "abstractqosdescription.h"
#include "rtppacket.h"


namespace Coral {


class TraceEncoder : public TraceEncoderInterface
{
   // ====== Constructor/Destructor =========================================
   public:
   TraceEncoder(TDTFMediaReader* audioReader);
   
   ~TraceEncoder();

   // ====== EncoderInterface implementation ================================
   const card16 getTypeID() const;
   
   const char* getTypeName() const;
   
   void activate();

   void deactivate();

   void reset();

   bool checkInterval(card64& time, bool& newRUList);

   bool prepareNextFrame(const cardinal headerSize,
                         const cardinal maxPacketSize,
                         const cardinal flags);

   cardinal getNextPacket(EncoderPacket* encoderPacket);

   AbstractQoSDescription* getQoSDescription(const cardinal pktHeaderSize,
                                             const cardinal pktMaxSize,
                                             const card64   offset);

   void updateQuality(const AbstractQoSDescription* aqd);


   // ====== TraceEncoderInterface implementation ===========================
   double getFrameRate() const;

   void setFrameRate(const double frameRate);

   double getWantedUtilization() const;

   void setWantedUtilization(const double utilization);

   int8 getStreamPriority() const;

   void setStreamPriority(const int8 priority);

   int8 getSessionPriority() const;

   void setSessionPriority(const int8 priority);

   double getMaxTransferDelay() const;

   void setMaxTransferDelay(const double delay);

   card32 getFlags() const;

   void setFlags(const card32 flags);

   card64 getMinWantedBandwidth() const;

   card64 getMaxWantedBandwidth() const;

   void setMinWantedBandwidth(const card64 bandwidth);

   void setMaxWantedBandwidth(const card64 bandwidth);


   // ====== Public data ====================================================
   double   CurrentUtilization;
   card64   CurrentBandwidth;


   // ====== Private data ===================================================
   private:
   TDTFMediaReader* Source;

   double   ManagerFrameRate;
   double   ManagerScaleFactor[RTPConstants::RTPMaxQualityLayers];
   cardinal ManagerFrameSizeLimit[RTPConstants::RTPMaxQualityLayers];

   double   MaxTransferDelay;
   card64   MinWantedBandwidth;
   card64   MaxWantedBandwidth;
   double   WantedUtilization;

   double   FrameFrameRate;
   double   FrameUtilization;
   card64   FramePosition;
   card64   FrameMaxPosition;
   card64   FrameBandwidth;
   card32   FrameFlags;
   card32   Flags;

   cardinal FrameSize[RTPConstants::RTPMaxQualityLayers];
   cardinal Offset[RTPConstants::RTPMaxQualityLayers];
   cardinal FrameID[RTPConstants::RTPMaxQualityLayers];

   cardinal Layers;
   cardinal SendError;
   card8    ErrorCode;
   int8     StreamPriority;
   int8     SessionPriority;
   bool     Scaled;
   bool     Paused;
};


}


#endif