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libbpg-0.9.3

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/* The copyright in this software is being made available under the BSD
* License, included below. This software may be subject to other third party
* and contributor rights, including patent rights, and no such rights are
* granted under this license.
*
* Copyright (c) 2010-2014, ITU/ISO/IEC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
/** \file TEncSlice.h
\brief slice encoder class (header)
*/
#ifndef __TENCSLICE__
#define __TENCSLICE__
// Include files
#include "TLibCommon/CommonDef.h"
#include "TLibCommon/TComList.h"
#include "TLibCommon/TComPic.h"
#include "TLibCommon/TComPicYuv.h"
#include "TEncCu.h"
#include "WeightPredAnalysis.h"
#include "TEncRateCtrl.h"
//! \ingroup TLibEncoder
//! \{
class TEncTop;
class TEncGOP;
// ====================================================================================================================
// Class definition
// ====================================================================================================================
/// slice encoder class
class TEncSlice
: public WeightPredAnalysis
{
private:
// encoder configuration
TEncCfg* m_pcCfg; ///< encoder configuration class
// pictures
TComList<TComPic*>* m_pcListPic; ///< list of pictures
TComPicYuv* m_apcPicYuvPred; ///< prediction picture buffer
TComPicYuv* m_apcPicYuvResi; ///< residual picture buffer
// processing units
TEncGOP* m_pcGOPEncoder; ///< GOP encoder
TEncCu* m_pcCuEncoder; ///< CU encoder
// encoder search
TEncSearch* m_pcPredSearch; ///< encoder search class
// coding tools
TEncEntropy* m_pcEntropyCoder; ///< entropy encoder
TEncSbac* m_pcSbacCoder; ///< SBAC encoder
TEncBinCABAC* m_pcBinCABAC; ///< Bin encoder CABAC
TComTrQuant* m_pcTrQuant; ///< transform & quantization
// RD optimization
TComRdCost* m_pcRdCost; ///< RD cost computation
TEncSbac*** m_pppcRDSbacCoder; ///< storage for SBAC-based RD optimization
TEncSbac* m_pcRDGoOnSbacCoder; ///< go-on SBAC encoder
UInt64 m_uiPicTotalBits; ///< total bits for the picture
UInt64 m_uiPicDist; ///< total distortion for the picture
Double m_dPicRdCost; ///< picture-level RD cost
Double* m_pdRdPicLambda; ///< array of lambda candidates
Double* m_pdRdPicQp; ///< array of picture QP candidates (double-type for lambda)
Int* m_piRdPicQp; ///< array of picture QP candidates (Int-type)
TEncRateCtrl* m_pcRateCtrl; ///< Rate control manager
UInt m_uiSliceIdx;
TEncSbac m_lastSliceSegmentEndContextState; ///< context storage for state at the end of the previous slice-segment (used for dependent slices only).
TEncSbac m_entropyCodingSyncContextState; ///< context storate for state of contexts at the wavefront/WPP/entropy-coding-sync second CTU of tile-row
Void setUpLambda(TComSlice* slice, const Double dLambda, Int iQP);
Void calculateBoundingCtuTsAddrForSlice(UInt &startCtuTSAddrSlice, UInt &boundingCtuTSAddrSlice, Bool &haveReachedTileBoundary, TComPic* pcPic, const Bool encodingSlice, const Int sliceMode, const Int sliceArgument, const UInt uiSliceCurEndCtuTSAddr);
public:
TEncSlice();
virtual ~TEncSlice();
Void create ( Int iWidth, Int iHeight, ChromaFormat chromaFormat, UInt iMaxCUWidth, UInt iMaxCUHeight, UChar uhTotalDepth );
Void destroy ();
Void init ( TEncTop* pcEncTop );
/// preparation of slice encoding (reference marking, QP and lambda)
Void initEncSlice ( TComPic* pcPic, Int pocLast, Int pocCurr, Int iNumPicRcvd,
Int iGOPid, TComSlice*& rpcSlice, TComSPS* pSPS, TComPPS *pPPS, Bool isField );
Void resetQP ( TComPic* pic, Int sliceQP, Double lambda );
// compress and encode slice
Void precompressSlice ( TComPic* pcPic ); ///< precompress slice for multi-loop opt.
Void compressSlice ( TComPic* pcPic ); ///< analysis stage of slice
Void calCostSliceI ( TComPic* pcPic );
Void encodeSlice ( TComPic* pcPic, TComOutputBitstream* pcSubstreams, UInt &numBinsCoded );
// misc. functions
Void setSearchRange ( TComSlice* pcSlice ); ///< set ME range adaptively
TEncCu* getCUEncoder() { return m_pcCuEncoder; } ///< CU encoder
Void xDetermineStartAndBoundingCtuTsAddr ( UInt& startCtuTsAddr, UInt& boundingCtuTsAddr, TComPic* pcPic, const Bool encodingSlice );
UInt getSliceIdx() { return m_uiSliceIdx; }
Void setSliceIdx(UInt i) { m_uiSliceIdx = i; }
private:
Double xGetQPValueAccordingToLambda ( Double lambda );
};
//! \}
#endif // __TENCSLICE__