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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) 2010-2018, 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 EncCu.h
\brief Coding Unit (CU) encoder class (header)
*/
#ifndef __ENCCU__
#define __ENCCU__
// Include files
#include "CommonLib/CommonDef.h"
#include "CommonLib/IntraPrediction.h"
#include "CommonLib/InterPrediction.h"
#include "CommonLib/TrQuant.h"
#include "CommonLib/Unit.h"
#include "CommonLib/UnitPartitioner.h"
#if REUSE_CU_RESULTS
#include "DecoderLib/DecCu.h"
#endif
#include "CABACWriter.h"
#include "IntraSearch.h"
#include "InterSearch.h"
#include "RateCtrl.h"
#include "EncModeCtrl.h"
//! \ingroup EncoderLib
//! \{
class EncLib;
class HLSWriter;
class EncSlice;
// ====================================================================================================================
// Class definition
// ====================================================================================================================
/// CU encoder class
class EncCu
#if REUSE_CU_RESULTS
: DecCu
#endif
{
private:
struct CtxPair
{
Ctx start;
Ctx best;
};
std::vector<CtxPair> m_CtxBuffer;
CtxPair* m_CurrCtx;
CtxCache* m_CtxCache;
#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
int m_dataId;
#endif
// Data : encoder control
int m_cuChromaQpOffsetIdxPlus1; // if 0, then cu_chroma_qp_offset_flag will be 0, otherwise cu_chroma_qp_offset_flag will be 1.
XUCache m_unitCache;
CodingStructure ***m_pTempCS;
CodingStructure ***m_pBestCS;
// Access channel
EncCfg* m_pcEncCfg;
IntraSearch* m_pcIntraSearch;
InterSearch* m_pcInterSearch;
TrQuant* m_pcTrQuant;
RdCost* m_pcRdCost;
EncSlice* m_pcSliceEncoder;
CABACWriter* m_CABACEstimator;
RateCtrl* m_pcRateCtrl;
CodingStructure ***m_pImvTempCS;
EncModeCtrl *m_modeCtrl;
PelStorage m_acMergeBuffer[MRG_MAX_NUM_CANDS];
MotionInfo m_SubPuMiBuf [( MAX_CU_SIZE * MAX_CU_SIZE ) >> ( MIN_CU_LOG2 << 1 )];
unsigned int m_subMergeBlkSize[10];
unsigned int m_subMergeBlkNum[10];
unsigned int m_prevPOC;
bool m_clearSubMergeStatic;
#if ENABLE_SPLIT_PARALLELISM || ENABLE_WPP_PARALLELISM
EncLib* m_pcEncLib;
#endif
#if JVET_L0646_GBI
int m_bestGbiIdx[2];
double m_bestGbiCost[2];
#endif
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#if SHARP_LUMA_DELTA_QP
void updateLambda ( Slice* slice, double dQP );
#endif
public:
/// copy parameters from encoder class
void init ( EncLib* pcEncLib, const SPS& sps PARL_PARAM( const int jId = 0 ) );
/// create internal buffers
void create ( EncCfg* encCfg );
/// destroy internal buffers
void destroy ();
/// CTU analysis function
void compressCtu ( CodingStructure& cs, const UnitArea& area, const unsigned ctuRsAddr, const int prevQP[], const int currQP[] );
/// CTU encoding function
int updateCtuDataISlice ( const CPelBuf buf );
EncModeCtrl* getModeCtrl () { return m_modeCtrl; }
void clearSubMergeStatics()
{
::memset(m_subMergeBlkSize, 0, sizeof(m_subMergeBlkSize));
::memset(m_subMergeBlkNum, 0, sizeof(m_subMergeBlkNum));
}
void clearOneTLayerSubMergeStatics(unsigned int layer)
{
m_subMergeBlkSize[layer] = 0;
m_subMergeBlkNum[layer] = 0;
}
unsigned int getSubMergeBlkSize(unsigned int layer) { return m_subMergeBlkSize[layer]; }
unsigned int getSubMergeBlkNum(unsigned int layer) { return m_subMergeBlkNum[layer]; }
void incrementSubMergeBlkSize(unsigned int layer, unsigned int inc) { m_subMergeBlkSize[layer] += inc; }
void incrementSubMergeBlkNum(unsigned int layer, unsigned int inc) { m_subMergeBlkNum[layer] += inc; }
void setPrevPOC(unsigned int poc) { m_prevPOC = poc; }
unsigned int getPrevPOC() { return m_prevPOC; }
void setClearSubMergeStatic(bool b) { m_clearSubMergeStatic = b; }
bool getClearSubMergeStatic() { return m_clearSubMergeStatic; }
~EncCu();
protected:
void xCompressCU ( CodingStructure *&tempCS, CodingStructure *&bestCS, Partitioner &pm );
#if ENABLE_SPLIT_PARALLELISM
void xCompressCUParallel ( CodingStructure *&tempCS, CodingStructure *&bestCS, Partitioner &pm );
void copyState ( EncCu* other, Partitioner& pm, const UnitArea& currArea, const bool isDist );
#endif
void xCheckBestMode ( CodingStructure *&tempCS, CodingStructure *&bestCS, Partitioner &pm, const EncTestMode& encTestmode );
void xCheckModeSplit ( CodingStructure *&tempCS, CodingStructure *&bestCS, Partitioner &pm, const EncTestMode& encTestMode );
void xCheckRDCostIntra ( CodingStructure *&tempCS, CodingStructure *&bestCS, Partitioner &pm, const EncTestMode& encTestMode );
void xCheckIntraPCM ( CodingStructure *&tempCS, CodingStructure *&bestCS, Partitioner &pm, const EncTestMode& encTestMode );
void xCheckDQP ( CodingStructure& cs, Partitioner& partitioner, bool bKeepCtx = false);
void xFillPCMBuffer ( CodingUnit &cu);
void xCheckRDCostAffineMerge2Nx2N
( CodingStructure *&tempCS, CodingStructure *&bestCS, Partitioner &partitioner, const EncTestMode& encTestMode );
void xCheckRDCostInter ( CodingStructure *&tempCS, CodingStructure *&bestCS, Partitioner &pm, const EncTestMode& encTestMode );
bool xCheckRDCostInterIMV ( CodingStructure *&tempCS, CodingStructure *&bestCS, Partitioner &pm, const EncTestMode& encTestMode );
void xEncodeDontSplit ( CodingStructure &cs, Partitioner &partitioner);
void xCheckRDCostMerge2Nx2N ( CodingStructure *&tempCS, CodingStructure *&bestCS, Partitioner &pm, const EncTestMode& encTestMode );
void xEncodeInterResidual ( CodingStructure *&tempCS, CodingStructure *&bestCS, Partitioner &partitioner, const EncTestMode& encTestMode, int residualPass = 0
, CodingStructure* imvCS = NULL
, int emtMode = 1
, bool* bestHasNonResi = NULL
#if JVET_L0646_GBI
, double* equGBiCost = NULL
#endif
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#if REUSE_CU_RESULTS
void xReuseCachedResult ( CodingStructure *&tempCS, CodingStructure *&bestCS, Partitioner &Partitioner );
#endif
#if JVET_L0646_GBI
bool xIsGBiSkip(const CodingUnit& cu)
{
return((m_pcEncCfg->getBaseQP() > 32) && ((cu.slice->getTLayer() >= 4)
|| ((cu.refIdxBi[0] >= 0 && cu.refIdxBi[1] >= 0)
&& (abs(cu.slice->getPOC() - cu.slice->getRefPOC(REF_PIC_LIST_0, cu.refIdxBi[0])) == 1
|| abs(cu.slice->getPOC() - cu.slice->getRefPOC(REF_PIC_LIST_1, cu.refIdxBi[1])) == 1))));
}
#endif
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};
//! \}
#endif // __ENCMB__