Hash.cpp

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 /** \file     TEncHash.cpp
     \brief    hash encoder class
 */
#include "CommonLib/dtrace_codingstruct.h"
#include "CommonLib/Picture.h"
#include "CommonLib/UnitTools.h"
#include "Hash.h"



 // ====================================================================================================================
 // Constructor / destructor / create / destroy
 // ====================================================================================================================

int TComHash::m_blockSizeToIndex[65][65];
TCRCCalculatorLight TComHash::m_crcCalculator1(24, 0x5D6DCB);
TCRCCalculatorLight TComHash::m_crcCalculator2(24, 0x864CFB);

TCRCCalculatorLight::TCRCCalculatorLight(uint32_t bits, uint32_t truncPoly)
{
  m_remainder = 0;
  m_bits = bits;
  m_truncPoly = truncPoly;
  m_finalResultMask = (1 << bits) - 1;

  xInitTable();
}

TCRCCalculatorLight::~TCRCCalculatorLight()
{

}

void TCRCCalculatorLight::xInitTable()
{
  const uint32_t highBit = 1 << (m_bits - 1);
  const uint32_t byteHighBit = 1 << (8 - 1);