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/** \file     TAppDecTop.h
    \brief    Decoder application class (header)
*/

#ifndef __TAPPDECTOP__
#define __TAPPDECTOP__

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "TLibVideoIO/TVideoIOYuv.h"
#include "TLibCommon/TComList.h"
#include "TLibCommon/TComPicYuv.h"
#include "TLibDecoder/TDecTop.h"
#include "TAppDecCfg.h"

#if H_3D_IV_MERGE
#include "TLibCommon/TComDepthMapGenerator.h"
#endif
//! \ingroup TAppDecoder
//! \{

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

/// decoder application class
class TAppDecTop : public TAppDecCfg
{
private:
  // class interface
#if H_MV
  TDecTop*                        m_tDecTop             [ MAX_NUM_LAYERS ];    ///< decoder classes
  TVideoIOYuv*                    m_tVideoIOYuvReconFile[ MAX_NUM_LAYERS ];    ///< reconstruction YUV class
  Int                             m_layerIdToDecIdx     [ MAX_NUM_LAYER_IDS ]; ///< maping from layer id to decoder index
  Int                             m_numDecoders;                               ///< number of decoder instances
  TComPicLists                    m_ivPicLists;                                ///< picture buffers of decoder instances
#else
  TDecTop                         m_cTDecTop;                     ///< decoder class
  TVideoIOYuv                     m_cTVideoIOYuvReconFile;        ///< reconstruction YUV class
#endif
    // for output control
  Bool                            m_abDecFlag[ MAX_GOP ];         ///< decoded flag in one GOP
#if H_3D_IV_MERGE
  Int  m_fcoViewDepthId;
  Char m_fcoOrder[MAX_VIEW_NUM*2];
#endif
#if H_MV
  Int                             m_pocLastDisplay      [ MAX_NUM_LAYERS ]; ///< last POC in display order
  Bool                            m_reconOpen           [ MAX_NUM_LAYERS ]; ///< reconstruction file opened
#else
  Int                             m_iPOCLastDisplay;              ///< last POC in display order
#endif
#if H_3D
  FILE*                           m_pScaleOffsetFile;
  CamParsCollector                m_cCamParsCollector;
#if H_3D_IV_MERGE
  TComVPSAccess                   m_cVPSAccess;
  TComSPSAccess                   m_cSPSAccess;
  TComAUPicAccess                 m_cAUPicAccess;
#endif
#endif
public:
  TAppDecTop();
  virtual ~TAppDecTop() {}
  
  Void  create            (); ///< create internal members
  Void  destroy           (); ///< destroy internal members
  Void  decode            (); ///< main decoding function

#if H_3D_IV_MERGE 
  TDecTop* getTDecTop     ( Int viewIdx, Bool isDepth );
  TComPic*              getPicFromView     ( Int viewIdx, Int poc, bool isDepth ) { return xGetPicFromView( viewIdx, poc, isDepth ); }
  TComVPSAccess*    getVPSAccess  () { return &m_cVPSAccess;   }
  TComSPSAccess*    getSPSAccess  () { return &m_cSPSAccess;   }
  TComAUPicAccess*  getAUPicAccess() { return &m_cAUPicAccess; }
  TDecTop*          getDecTop0    () { return m_tDecTop[0]; }
#endif

protected:
  Void  xCreateDecLib     (); ///< create internal classes
  Void  xDestroyDecLib    (); ///< destroy internal classes
  Void  xInitDecLib       (); ///< initialize decoder class

#if H_3D_IV_MERGE 
  TComPic* xGetPicFromView( Int viewIdx, Int poc, Bool isDepth );
#endif
#if H_MV
  Void  xWriteOutput      ( TComList<TComPic*>* pcListPic, Int layerId, Int tId ); ///< write YUV to file
  Void  xFlushOutput      ( TComList<TComPic*>* pcListPic, Int layerId ); ///< flush all remaining decoded pictures to file
  Int   xGetDecoderIdx    ( Int layerId, Bool createFlag = false );
#else
  Void  xWriteOutput      ( TComList<TComPic*>* pcListPic , UInt tId); ///< write YUV to file
  Void  xFlushOutput      ( TComList<TComPic*>* pcListPic ); ///< flush all remaining decoded pictures to file
#endif
  Bool  isNaluWithinTargetDecLayerIdSet ( InputNALUnit* nalu ); ///< check whether given Nalu is within targetDecLayerIdSet
};

//! \}

#endif