libbpg/jctvc/TLibEncoder/TEncSampleAdaptiveOffset.h

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2015-01-16 12:46:18 +00:00
/* 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 TEncSampleAdaptiveOffset.h
\brief estimation part of sample adaptive offset class (header)
*/
#ifndef __TENCSAMPLEADAPTIVEOFFSET__
#define __TENCSAMPLEADAPTIVEOFFSET__
#include "TLibCommon/TComSampleAdaptiveOffset.h"
#include "TLibCommon/TComPic.h"
#include "TEncEntropy.h"
#include "TEncSbac.h"
#include "TLibCommon/TComBitCounter.h"
//! \ingroup TLibEncoder
//! \{
// ====================================================================================================================
// Class definition
// ====================================================================================================================
enum SAOCabacStateLablesRDO //CABAC state labels
{
SAO_CABACSTATE_PIC_INIT =0,
SAO_CABACSTATE_BLK_CUR,
SAO_CABACSTATE_BLK_NEXT,
SAO_CABACSTATE_BLK_MID,
SAO_CABACSTATE_BLK_TEMP,
NUM_SAO_CABACSTATE_LABELS
};
struct SAOStatData //data structure for SAO statistics
{
Int64 diff[MAX_NUM_SAO_CLASSES];
Int64 count[MAX_NUM_SAO_CLASSES];
SAOStatData(){}
~SAOStatData(){}
Void reset()
{
::memset(diff, 0, sizeof(Int64)*MAX_NUM_SAO_CLASSES);
::memset(count, 0, sizeof(Int64)*MAX_NUM_SAO_CLASSES);
}
const SAOStatData& operator=(const SAOStatData& src)
{
::memcpy(diff, src.diff, sizeof(Int64)*MAX_NUM_SAO_CLASSES);
::memcpy(count, src.count, sizeof(Int64)*MAX_NUM_SAO_CLASSES);
return *this;
}
#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
const SAOStatData& operator+= (const SAOStatData& src)
{
for(Int i=0; i< MAX_NUM_SAO_CLASSES; i++)
{
diff[i] += src.diff[i];
count[i] += src.count[i];
}
return *this;
}
#endif
};
class TEncSampleAdaptiveOffset : public TComSampleAdaptiveOffset
{
public:
TEncSampleAdaptiveOffset();
virtual ~TEncSampleAdaptiveOffset();
//interface
#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
Void createEncData(Bool isPreDBFSamplesUsed);
#else
Void createEncData();
#endif
Void destroyEncData();
Void initRDOCabacCoder(TEncSbac* pcRDGoOnSbacCoder, TComSlice* pcSlice) ;
Void SAOProcess(TComPic* pPic, Bool* sliceEnabled, const Double *lambdas
#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
, Bool isPreDBFSamplesUsed
#endif
);
public: //methods
#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
Void getPreDBFStatistics(TComPic* pPic);
#endif
private: //methods
Void getStatistics(SAOStatData*** blkStats, TComPicYuv* orgYuv, TComPicYuv* srcYuv,TComPic* pPic
#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
, Bool isCalculatePreDeblockSamples = false
#endif
);
Void decidePicParams(Bool* sliceEnabled, Int picTempLayer);
Void decideBlkParams(TComPic* pic, Bool* sliceEnabled, SAOStatData*** blkStats, TComPicYuv* srcYuv, TComPicYuv* resYuv, SAOBlkParam* reconParams, SAOBlkParam* codedParams);
Void getBlkStats(ComponentID compIdx, SAOStatData* statsDataTypes, Pel* srcBlk, Pel* orgBlk, Int srcStride, Int orgStride, Int width, Int height, Bool isLeftAvail, Bool isRightAvail, Bool isAboveAvail, Bool isBelowAvail, Bool isAboveLeftAvail, Bool isAboveRightAvail, Bool isBelowLeftAvail, Bool isBelowRightAvail
#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
, Bool isCalculatePreDeblockSamples
#endif
);
Void deriveModeNewRDO(Int ctuRsAddr, SAOBlkParam* mergeList[NUM_SAO_MERGE_TYPES], Bool* sliceEnabled, SAOStatData*** blkStats, SAOBlkParam& modeParam, Double& modeNormCost, TEncSbac** cabacCoderRDO, Int inCabacLabel);
Void deriveModeMergeRDO(Int ctuRsAddr, SAOBlkParam* mergeList[NUM_SAO_MERGE_TYPES], Bool* sliceEnabled, SAOStatData*** blkStats, SAOBlkParam& modeParam, Double& modeNormCost, TEncSbac** cabacCoderRDO, Int inCabacLabel);
Int64 getDistortion(ComponentID compIdx, Int typeIdc, Int typeAuxInfo, Int* offsetVal, SAOStatData& statData);
Void deriveOffsets(ComponentID compIdx, Int typeIdc, SAOStatData& statData, Int* quantOffsets, Int& typeAuxInfo);
inline Int64 estSaoDist(Int64 count, Int64 offset, Int64 diffSum, Int shift);
inline Int estIterOffset(Int typeIdx, Int classIdx, Double lambda, Int offsetInput, Int64 count, Int64 diffSum, Int shift, Int bitIncrease, Int64& bestDist, Double& bestCost, Int offsetTh );
#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
Void addPreDBFStatistics(SAOStatData*** blkStats);
#endif
private: //members
//for RDO
TEncSbac** m_pppcRDSbacCoder;
TEncSbac* m_pcRDGoOnSbacCoder;
#if FAST_BIT_EST
TEncBinCABACCounter** m_pppcBinCoderCABAC;
#else
TEncBinCABAC** m_pppcBinCoderCABAC;
#endif
Double m_lambda[MAX_NUM_COMPONENT];
//statistics
SAOStatData*** m_statData; //[ctu][comp][classes]
#if SAO_ENCODE_ALLOW_USE_PREDEBLOCK
SAOStatData*** m_preDBFstatData;
#endif
#if SAO_ENCODING_CHOICE
Double m_saoDisabledRate[MAX_NUM_COMPONENT][MAX_TLAYER];
#endif
Int m_skipLinesR[MAX_NUM_COMPONENT][NUM_SAO_NEW_TYPES];
Int m_skipLinesB[MAX_NUM_COMPONENT][NUM_SAO_NEW_TYPES];
};
//! \}
#endif