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/** \file     TAppDecCfg.h
    \brief    Decoder configuration class (header)
*/

#ifndef __TAPPDECCFG__
#define __TAPPDECCFG__

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

#include "TLibCommon/CommonDef.h"
#include <vector>
#if NH_MV
#include <fstream>
#endif

//! \ingroup TAppDecoder
//! \{

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

/// Decoder configuration class
class TAppDecCfg
{
protected:
  Char*         m_pchBitstreamFile;                     ///< input bitstream file name
  Char*         m_pchReconFile;                         ///< output reconstruction file name
  Int           m_iSkipFrame;                           ///< counter for frames prior to the random access point to skip
  Int           m_outputBitDepth[MAX_NUM_CHANNEL_TYPE]; ///< bit depth used for writing output
  InputColourSpaceConversion m_outputColourSpaceConvert;

  Int           m_iMaxTemporalLayer;                  ///< maximum temporal layer to be decoded
  Int           m_decodedPictureHashSEIEnabled;       ///< Checksum(3)/CRC(2)/MD5(1)/disable(0) acting on decoded picture hash SEI message
  Bool          m_decodedNoDisplaySEIEnabled;         ///< Enable(true)/disable(false) writing only pictures that get displayed based on the no display SEI message
  std::vector<Int> m_targetDecLayerIdSet;             ///< set of LayerIds to be included in the sub-bitstream extraction process.

  Int           m_respectDefDispWindow;               ///< Only output content inside the default display window
#if O0043_BEST_EFFORT_DECODING
  UInt          m_forceDecodeBitDepth;                ///< if non-zero, force the bit depth at the decoder (best effort decoding)
#endif
  std::string   m_outputDecodedSEIMessagesFilename;   ///< filename to output decoded SEI messages to. If '-', then use stdout. If empty, do not output details.
  Bool          m_bClipOutputVideoToRec709Range;      ///< If true, clip the output video to the Rec 709 range on saving.
#if NH_MV
  std::vector<Char*> m_pchReconFiles;                   ///< array of output reconstruction file name create from output reconstruction file name

  Int           m_targetOptLayerSetIdx;                 ///< target output layer set index
  Int           m_targetDecLayerSetIdx;
  Int           m_baseLayerOutputFlag; 
  Int           m_baseLayerPicOutputFlag; 
  Int           m_auOutputFlag; 
  Int           m_maxLayerId;                           ///< maximum nuh_layer_id decoded
  std::ifstream m_bitstreamFile; 
  Int           m_highestTid;
  Bool          m_targetDecLayerIdSetFileEmpty;       ///< indication if target layers are given by file

  Bool          m_printVpsInfo;                      ///< Output VPS information 
  Bool          m_printPicOutput;                     ///< Print information on picture output
  Bool          m_printReceivedNalus;                 ///< Print information on received NAL units
#if NH_3D
  Char*         m_pchScaleOffsetFile;                   ///< output coded scale and offset parameters
  Bool          m_depth420OutputFlag;                   ///< output depth layers in 4:2:0
#endif

  Void xAppendToFileNameEnd( Char* pchInputFileName, const Char* pchStringToAppend, Char*& rpchOutputFileName); ///< create filenames
#endif

public:
  TAppDecCfg()
  : m_pchBitstreamFile(NULL)
  , m_pchReconFile(NULL)
  , m_iSkipFrame(0)
  , m_outputColourSpaceConvert(IPCOLOURSPACE_UNCHANGED)
  , m_iMaxTemporalLayer(-1)
  , m_decodedPictureHashSEIEnabled(0)
  , m_decodedNoDisplaySEIEnabled(false)
  , m_respectDefDispWindow(0)
#if O0043_BEST_EFFORT_DECODING
  , m_forceDecodeBitDepth(0)
#endif
#if NH_MV
  , m_highestTid(-1)
  , m_targetDecLayerIdSetFileEmpty(true)
#endif

  {
    for (UInt channelTypeIndex = 0; channelTypeIndex < MAX_NUM_CHANNEL_TYPE; channelTypeIndex++)
    {
      m_outputBitDepth[channelTypeIndex] = 0;
    }
  }

  virtual ~TAppDecCfg() {}

  Bool  parseCfg        ( Int argc, Char* argv[] );   ///< initialize option class from configuration
};

//! \}

#endif