109 lines
3.8 KiB
C
109 lines
3.8 KiB
C
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/* The copyright in this software is being made available under the BSD
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* License, included below. This software may be subject to other third party
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* and contributor rights, including patent rights, and no such rights are
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* granted under this license.
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*
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* Copyright (c) 2010-2014, ITU/ISO/IEC
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/** \file TEncBinCoderCABAC.h
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\brief binary entropy encoder of CABAC
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*/
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#ifndef __TENCBINCODERCABAC__
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#define __TENCBINCODERCABAC__
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#include "TLibCommon/TComCABACTables.h"
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#include "TEncBinCoder.h"
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//! \ingroup TLibEncoder
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//! \{
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class TEncBinCABAC : public TEncBinIf
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{
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public:
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TEncBinCABAC ();
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virtual ~TEncBinCABAC();
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Void init ( TComBitIf* pcTComBitIf );
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Void uninit ();
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Void start ();
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Void finish ();
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Void copyState ( const TEncBinIf* pcTEncBinIf );
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Void flush ();
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Void resetBac ();
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Void encodePCMAlignBits();
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Void xWritePCMCode ( UInt uiCode, UInt uiLength );
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Void resetBits ();
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UInt getNumWrittenBits ();
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Void encodeBin ( UInt binValue, ContextModel& rcCtxModel );
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Void encodeBinEP ( UInt binValue );
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Void encodeBinsEP ( UInt binValues, Int numBins );
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Void encodeBinTrm ( UInt binValue );
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Void align ();
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Void encodeAlignedBinsEP( UInt binValues, Int numBins );
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TEncBinCABAC* getTEncBinCABAC() { return this; }
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const TEncBinCABAC* getTEncBinCABAC() const { return this; }
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Void setBinsCoded ( UInt uiVal ) { m_uiBinsCoded = uiVal; }
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UInt getBinsCoded () { return m_uiBinsCoded; }
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Void setBinCountingEnableFlag ( Bool bFlag ) { m_binCountIncrement = bFlag ? 1 : 0; }
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Bool getBinCountingEnableFlag () { return m_binCountIncrement != 0; }
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#if FAST_BIT_EST
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protected:
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#else
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private:
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#endif
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Void testAndWriteOut();
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Void writeOut();
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TComBitIf* m_pcTComBitIf;
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UInt m_uiLow;
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UInt m_uiRange;
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UInt m_bufferedByte;
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Int m_numBufferedBytes;
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Int m_bitsLeft;
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UInt m_uiBinsCoded;
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Int m_binCountIncrement;
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#if FAST_BIT_EST
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UInt64 m_fracBits;
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#endif
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};
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//! \}
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#endif
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