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/** \file     TAppEncTop.h
    \brief    Encoder application class (header)
*/

#ifndef __TAPPENCTOP__
#define __TAPPENCTOP__

#include <list>
#include <ostream>

#include "TLibEncoder/TEncTop.h"
#include "TLibVideoIO/TVideoIOYuv.h"
#include "TLibCommon/AccessUnit.h"
#include "TAppEncCfg.h"

//! \ingroup TAppEncoder
//! \{

// ====================================================================================================================
// Class definition
// ====================================================================================================================

/// encoder application class
class TAppEncTop : public TAppEncCfg
{
private:
  // class interface
#if SVC_EXTENSION
  TEncTop*                   m_apcTEncTop[MAX_LAYERS];                    ///< encoder pointer class
  TVideoIOYuv*               m_apcTVideoIOYuvInputFile[MAX_LAYERS];       ///< input YUV file
  TVideoIOYuv*               m_apcTVideoIOYuvReconFile[MAX_LAYERS];       ///< output reconstruction file

  TComList<TComPicYuv*>      m_acListPicYuvRec [MAX_LAYERS];              ///< list of reconstruction YUV files
#else
  TEncTop                    m_cTEncTop;                    ///< encoder class
  TVideoIOYuv                m_cTVideoIOYuvInputFile;       ///< input YUV file
  TVideoIOYuv                m_cTVideoIOYuvReconFile;       ///< output reconstruction file

  TComList<TComPicYuv*>      m_cListPicYuvRec;              ///< list of reconstruction YUV files
#endif
  
  Int                        m_iFrameRcvd;                  ///< number of received frames

  UInt m_essentialBytes;
  UInt m_totalBytes;

protected:
  // initialization
  Void  xCreateLib        ();                               ///< create files & encoder class
  Void  xInitLibCfg       ();                               ///< initialize internal variables
  Void  xInitLib          (Bool isFieldCoding);             ///< initialize encoder class
  Void  xDestroyLib       ();                               ///< destroy encoder class

  /// obtain required buffers
#if SVC_EXTENSION
  Void xGetBuffer(TComPicYuv*& rpcPicYuvRec, UInt layer);
#else
  Void xGetBuffer(TComPicYuv*& rpcPicYuvRec);
#endif
  
  /// delete allocated buffers
  Void  xDeleteBuffer     ();

  // file I/O
#if SVC_EXTENSION
  Void xWriteRecon(UInt layer, Int iNumEncoded);
  Void xWriteStream(std::ostream& bitstreamFile, Int iNumEncoded, const std::list<AccessUnit>& accessUnits);
  Void printOutSummary(Bool isField, const Bool printMSEBasedSNR, const Bool printSequenceMSE);  
#else
  Void xWriteOutput(std::ostream& bitstreamFile, Int iNumEncoded, const std::list<AccessUnit>& accessUnits); ///< write bitstream to file
  Void printChromaFormat();
#endif
  Void rateStatsAccum(const AccessUnit& au, const std::vector<UInt>& stats);
  Void printRateSummary();
  
public:
  TAppEncTop();
  virtual ~TAppEncTop();

  Void        encode      ();                               ///< main encoding function
#if SVC_EXTENSION
  TEncTop&    getTEncTop  (UInt layer)   { return  *m_apcTEncTop[layer]; }      ///< return encoder class pointer reference
#else
  TEncTop&    getTEncTop  ()   { return  m_cTEncTop; }      ///< return encoder class pointer reference
#endif
};// END CLASS DEFINITION TAppEncTop

//! \}

#endif // __TAPPENCTOP__