evTranscoder.h

Go to the documentation of this file.

/*
 *
 * EVITA: Efficient Visualization of Terascale Datasets
 * Copyright (C) 2000-2016  Team Evita
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 * 
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
 * MA 02139, USA.
 *
 */


#ifndef __evTranscoder_h
#define __evTranscoder_h


#include "evProcessObject.h"
#include "evChannel.h"
#include "evPrioritySchedule.h"
#include "evDataset.h"


class evTranscoder : evProcessObject
{
public:
  evTranscoder(void);
  virtual ~evTranscoder(void);
  
  virtual const evString GetClassName(void) const
  {
    return(evString("evTranscoder"));
  }
  
  int Transcode(evChannel &command_channel,
                evChannel &bitstream_channel,
                evChannel &priority_schedule_channel,
                const int verbose);
  
protected:
  
private:
  evChannel *CommandChannel;
  evChannel *BitstreamChannel;
  evChannel *PriorityScheduleChannel;
  evString PriorityScheduleFilename;
  evFilePosition HeaderOffset;
  evString Filename;
  evFile Infile;

  int ExplicitGrid;
  unsigned int VisualizerComponent;
  evVector ViewFrustum;
  double PixelSize;
  
  evPrioritySchedule *InactiveQueue;
  evPrioritySchedule *TransmissionQueue;
  evPrioritySchedule *AlreadySentQueue;

  int GetCommand(const int verbose);
  int SendHeader(void);
  int SendAuxiliaryFiles(void);
  int ActivateComponent(void);
  int UpdateFrustum(void);
  int Start(void);
  int Next(void);
  int Stop(void);
  int SelectROI(const int roi);
};


#endif