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/*
* (C) 2008-2012 see Authors.txt
*
* This file is part of MPC-HC.
*
* MPC-HC is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* MPC-HC is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#pragma once
class CGolombBuffer
{
public:
CGolombBuffer(BYTE* pBuffer, int nSize);
~CGolombBuffer();
UINT64 BitRead(int nBits, bool fPeek = false);
UINT64 UExpGolombRead();
INT64 SExpGolombRead();
void BitByteAlign();
inline BYTE ReadByte() { return (BYTE)BitRead(8); };
inline short ReadShort() { return (short)BitRead(16); };
inline DWORD ReadDword() { return (DWORD)BitRead(32); };
void ReadBuffer(BYTE* pDest, int nSize);
void Reset();
void Reset(BYTE* pNewBuffer, int nNewSize);
void SetSize(int nValue) { m_nSize = nValue; };
int GetSize() const { return m_nSize; };
int RemainingSize() const { return m_nSize - m_nBitPos; };
bool IsEOF() const { return m_nBitPos >= m_nSize; };
int GetPos();
BYTE* GetBufferPos() { return m_pBuffer + m_nBitPos; };
void SkipBytes(int nCount);
private:
BYTE* m_pBuffer;
int m_nSize;
int m_nBitPos;
int m_bitlen;
INT64 m_bitbuff;
};
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