source: 3DVCSoftware/trunk/source/Lib/TLibEncoder/TEncSampleAdaptiveOffset.h

Last change on this file was 1413, checked in by tech, 6 years ago

Merged HTM-16.2-dev@1412

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1/* The copyright in this software is being made available under the BSD
2 * License, included below. This software may be subject to other third party
3 * and contributor rights, including patent rights, and no such rights are
4 * granted under this license.
5 *
6 * Copyright (c) 2010-2017, ITU/ISO/IEC
7 * All rights reserved.
8 *
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10 * modification, are permitted provided that the following conditions are met:
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13 *    this list of conditions and the following disclaimer.
14 *  * Redistributions in binary form must reproduce the above copyright notice,
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18 *    be used to endorse or promote products derived from this software without
19 *    specific prior written permission.
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28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34/**
35 \file     TEncSampleAdaptiveOffset.h
36 \brief    estimation part of sample adaptive offset class (header)
37 */
38
39#ifndef __TENCSAMPLEADAPTIVEOFFSET__
40#define __TENCSAMPLEADAPTIVEOFFSET__
41
42#include "TLibCommon/TComSampleAdaptiveOffset.h"
43#include "TLibCommon/TComPic.h"
44
45#include "TEncEntropy.h"
46#include "TEncSbac.h"
47#include "TLibCommon/TComBitCounter.h"
48
49//! \ingroup TLibEncoder
50//! \{
51
52// ====================================================================================================================
53// Class definition
54// ====================================================================================================================
55
56enum SAOCabacStateLablesRDO //CABAC state labels
57{
58  SAO_CABACSTATE_PIC_INIT =0,
59  SAO_CABACSTATE_BLK_CUR,
60  SAO_CABACSTATE_BLK_NEXT,
61  SAO_CABACSTATE_BLK_MID,
62  SAO_CABACSTATE_BLK_TEMP,
63  NUM_SAO_CABACSTATE_LABELS
64};
65
66struct SAOStatData //data structure for SAO statistics
67{
68  Int64 diff[MAX_NUM_SAO_CLASSES];
69  Int64 count[MAX_NUM_SAO_CLASSES];
70
71  SAOStatData(){}
72  ~SAOStatData(){}
73  Void reset()
74  {
75    ::memset(diff, 0, sizeof(Int64)*MAX_NUM_SAO_CLASSES);
76    ::memset(count, 0, sizeof(Int64)*MAX_NUM_SAO_CLASSES);
77  }
78  const SAOStatData& operator=(const SAOStatData& src)
79  {
80    ::memcpy(diff, src.diff, sizeof(Int64)*MAX_NUM_SAO_CLASSES);
81    ::memcpy(count, src.count, sizeof(Int64)*MAX_NUM_SAO_CLASSES);
82    return *this;
83  }
84  const SAOStatData& operator+= (const SAOStatData& src)
85  {
86    for(Int i=0; i< MAX_NUM_SAO_CLASSES; i++)
87    {
88      diff[i] += src.diff[i];
89      count[i] += src.count[i];
90    }
91    return *this;
92  }
93};
94
95class TEncSampleAdaptiveOffset : public TComSampleAdaptiveOffset
96{
97public:
98  TEncSampleAdaptiveOffset();
99  virtual ~TEncSampleAdaptiveOffset();
100
101  //interface
102  Void createEncData(Bool isPreDBFSamplesUsed);
103  Void destroyEncData();
104  Void initRDOCabacCoder(TEncSbac* pcRDGoOnSbacCoder, TComSlice* pcSlice) ;
105  Void SAOProcess(TComPic* pPic, Bool* sliceEnabled, const Double *lambdas, const Bool bTestSAODisableAtPictureLevel, const Double saoEncodingRate, const Double saoEncodingRateChroma, const Bool isPreDBFSamplesUsed, const Bool bResetStateAfterIRAP);
106public: //methods
107  Void getPreDBFStatistics(TComPic* pPic);
108private: //methods
109  Void getStatistics(SAOStatData*** blkStats, TComPicYuv* orgYuv, TComPicYuv* srcYuv,TComPic* pPic, Bool isCalculatePreDeblockSamples = false);
110  Void decidePicParams(Bool* sliceEnabled, const TComPic* pic, const Double saoEncodingRate, const Double saoEncodingRateChroma, const Bool bResetStateAfterIRAP);
111  Void decideBlkParams(TComPic* pic, Bool* sliceEnabled, SAOStatData*** blkStats, TComPicYuv* srcYuv, TComPicYuv* resYuv, SAOBlkParam* reconParams, SAOBlkParam* codedParams, const Bool bTestSAODisableAtPictureLevel, const Double saoEncodingRate, const Double saoEncodingRateChroma);
112  Void getBlkStats(const ComponentID compIdx, const Int channelBitDepth, 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 isCalculatePreDeblockSamples);
113  Void deriveModeNewRDO(const BitDepths &bitDepths, Int ctuRsAddr, SAOBlkParam* mergeList[NUM_SAO_MERGE_TYPES], Bool* sliceEnabled, SAOStatData*** blkStats, SAOBlkParam& modeParam, Double& modeNormCost, TEncSbac** cabacCoderRDO, Int inCabacLabel);
114  Void deriveModeMergeRDO(const BitDepths &bitDepths, Int ctuRsAddr, SAOBlkParam* mergeList[NUM_SAO_MERGE_TYPES], Bool* sliceEnabled, SAOStatData*** blkStats, SAOBlkParam& modeParam, Double& modeNormCost, TEncSbac** cabacCoderRDO, Int inCabacLabel);
115  Int64 getDistortion(const Int channelBitDepth, Int typeIdc, Int typeAuxInfo, Int* offsetVal, SAOStatData& statData);
116  Void deriveOffsets(ComponentID compIdx, const Int channelBitDepth, Int typeIdc, SAOStatData& statData, Int* quantOffsets, Int& typeAuxInfo);
117  inline Int64 estSaoDist(Int64 count, Int64 offset, Int64 diffSum, Int shift);
118  inline Int estIterOffset(Int typeIdx, Double lambda, Int offsetInput, Int64 count, Int64 diffSum, Int shift, Int bitIncrease, Int64& bestDist, Double& bestCost, Int offsetTh );
119  Void addPreDBFStatistics(SAOStatData*** blkStats);
120private: //members
121  //for RDO
122  TEncSbac**             m_pppcRDSbacCoder;
123  TEncSbac*              m_pcRDGoOnSbacCoder;
124#if FAST_BIT_EST
125  TEncBinCABACCounter**  m_pppcBinCoderCABAC;
126#else
127  TEncBinCABAC**         m_pppcBinCoderCABAC;
128#endif
129  Double                 m_lambda[MAX_NUM_COMPONENT];
130
131  //statistics
132  SAOStatData***         m_statData; //[ctu][comp][classes]
133  SAOStatData***         m_preDBFstatData;
134  Double                 m_saoDisabledRate[MAX_NUM_COMPONENT][MAX_TLAYER];
135  Int                    m_lastIRAPPoc;
136  Int                    m_skipLinesR[MAX_NUM_COMPONENT][NUM_SAO_NEW_TYPES];
137  Int                    m_skipLinesB[MAX_NUM_COMPONENT][NUM_SAO_NEW_TYPES];
138};
139
140
141//! \}
142
143#endif
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