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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_fileBitDepthY; ///< bitdepth of input/output video file luma component
  Int m_fileBitDepthC; ///< bitdepth of input/output video file chroma component
  Int m_bitDepthShiftY;  ///< number of bits to increase or decrease luma by before/after write/read
  Int m_bitDepthShiftC;  ///< number of bits to increase or decrease chroma by before/after write/read
  
public:
  TVideoIOYuv()           {}
  virtual ~TVideoIOYuv()  {}
  
  Void  open  ( Char* pchFile, Bool bWriteMode, Int fileBitDepthY, Int fileBitDepthC, Int internalBitDepthY, Int internalBitDepthC ); ///< open or create file
  Void  close ();                                           ///< close file

  void skipFrames(UInt numFrames, UInt width, UInt height);
  
  Bool  read  ( TComPicYuv*   pPicYuv, Int aiPad[2] );     ///< read  one YUV frame with padding parameter
  Bool  write( TComPicYuv*    pPicYuv, Int confLeft=0, Int confRight=0, Int confTop=0, Int confBottom=0 );
  Bool  write( TComPicYuv*    pPicYuv, TComPicYuv*    pPicYuv2, Int confLeft=0, Int confRight=0, Int confTop=0, Int confBottom=0, Bool isTff = false ); 
  
  Bool  isEof ();                                           ///< check for end-of-file
  Bool  isFail();                                           ///< check for failure
  
};

#endif // __TVIDEOIOYUV__