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  /** \file     TVideoIOYuv.h
      \brief    YUV file I/O class (header)
  */
  
  #ifndef __TVIDEOIOYUV__
  #define __TVIDEOIOYUV__
  
  #include <stdio.h>
  #include <fstream>
  #include <iostream>
  #include "TLibCommon/CommonDef.h"
  #include "TLibCommon/TComPicYuv.h"
  
  using namespace std;
  
  // ====================================================================================================================
  // Class definition
  // ====================================================================================================================
  
  /// YUV file I/O class
  class TVideoIOYuv
  {
  private:
    fstream   m_cHandle;                                      ///< file handle
    Int       m_fileBitdepth[MAX_NUM_CHANNEL_TYPE]; ///< bitdepth of input/output video file
    Int       m_MSBExtendedBitDepth[MAX_NUM_CHANNEL_TYPE];  ///< bitdepth after addition of MSBs (with value 0)
    Int       m_bitdepthShift[MAX_NUM_CHANNEL_TYPE];  ///< number of bits to increase or decrease image by before/after write/read
  
  public:
    TVideoIOYuv()           {}
    virtual ~TVideoIOYuv()  {}
  
    Void  open  ( const std::string &fileName, Bool bWriteMode, const Int fileBitDepth[MAX_NUM_CHANNEL_TYPE], const Int MSBExtendedBitDepth[MAX_NUM_CHANNEL_TYPE], const Int internalBitDepth[MAX_NUM_CHANNEL_TYPE] ); ///< open or create file
    Void  close ();                                           ///< close file
  
    Void skipFrames(Int numFrames, UInt width, UInt height, ChromaFormat format);
  
    // if fileFormat<NUM_CHROMA_FORMAT, the format of the file is that format specified, else it is the format of the TComPicYuv.
  
  
    // If fileFormat=NUM_CHROMA_FORMAT, use the format defined by pPicYuvTrueOrg
    Bool  read  ( TComPicYuv* pPicYuv, TComPicYuv* pPicYuvTrueOrg, const InputColourSpaceConversion ipcsc, Int aiPad[2], ChromaFormat fileFormat=NUM_CHROMA_FORMAT, const Bool bClipToRec709=false );     ///< read one frame with padding parameter
  
    // If fileFormat=NUM_CHROMA_FORMAT, use the format defined by pPicYuv
    Bool  write ( TComPicYuv* pPicYuv, const InputColourSpaceConversion ipCSC, Int confLeft=0, Int confRight=0, Int confTop=0, Int confBottom=0, ChromaFormat fileFormat=NUM_CHROMA_FORMAT, const Bool bClipToRec709=false );     ///< write one YUV frame with padding parameter
  
    // If fileFormat=NUM_CHROMA_FORMAT, use the format defined by pPicYuvTop and pPicYuvBottom
    Bool  write ( TComPicYuv* pPicYuvTop, TComPicYuv* pPicYuvBottom, const InputColourSpaceConversion ipCSC, Int confLeft=0, Int confRight=0, Int confTop=0, Int confBottom=0, ChromaFormat fileFormat=NUM_CHROMA_FORMAT, const Bool isTff=false, const Bool bClipToRec709=false);
    static Void ColourSpaceConvert(const TComPicYuv &src, TComPicYuv &dest, const InputColourSpaceConversion conversion, Bool bIsForwards);
  
    Bool  isEof ();                                           ///< check for end-of-file
    Bool  isFail();                                           ///< check for failure
  
  
  };
  
  #endif // __TVIDEOIOYUV__
  
  