[56] | 1 | /* The copyright in this software is being made available under the BSD |
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| 2 | * License, included below. This software may be subject to other third party |
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| 3 | * and contributor rights, including patent rights, and no such rights are |
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| 4 | * granted under this license. |
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| 5 | * |
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| 6 | * Copyright (c) 2010-2012, ITU/ISO/IEC |
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| 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions are met: |
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| 11 | * |
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| 12 | * * Redistributions of source code must retain the above copyright notice, |
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| 13 | * this list of conditions and the following disclaimer. |
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| 14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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| 15 | * this list of conditions and the following disclaimer in the documentation |
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| 16 | * and/or other materials provided with the distribution. |
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| 17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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| 18 | * be used to endorse or promote products derived from this software without |
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| 19 | * specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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| 31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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| 33 | |
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| 34 | /** \file TEncSampleAdaptiveOffset.cpp |
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| 35 | \brief estimation part of sample adaptive offset class |
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| 36 | */ |
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| 37 | #include "TEncSampleAdaptiveOffset.h" |
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| 38 | #include <string.h> |
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| 39 | #include <stdlib.h> |
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| 40 | #include <stdio.h> |
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| 41 | #include <math.h> |
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| 42 | |
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| 43 | //! \ingroup TLibEncoder |
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| 44 | //! \{ |
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| 45 | |
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| 46 | TEncSampleAdaptiveOffset::TEncSampleAdaptiveOffset() |
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| 47 | { |
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| 48 | m_pcEntropyCoder = NULL; |
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| 49 | m_pppcRDSbacCoder = NULL; |
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| 50 | m_pcRDGoOnSbacCoder = NULL; |
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| 51 | m_pppcBinCoderCABAC = NULL; |
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| 52 | m_iCount = NULL; |
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| 53 | m_iOffset = NULL; |
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| 54 | m_iOffsetOrg = NULL; |
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| 55 | m_iRate = NULL; |
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| 56 | m_iDist = NULL; |
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| 57 | m_dCost = NULL; |
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| 58 | m_dCostPartBest = NULL; |
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| 59 | m_iDistOrg = NULL; |
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| 60 | m_iTypePartBest = NULL; |
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| 61 | } |
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| 62 | TEncSampleAdaptiveOffset::~TEncSampleAdaptiveOffset() |
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| 63 | { |
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| 64 | |
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| 65 | } |
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| 66 | // ==================================================================================================================== |
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| 67 | // Constants |
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| 68 | // ==================================================================================================================== |
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| 69 | |
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| 70 | |
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| 71 | // ==================================================================================================================== |
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| 72 | // Tables |
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| 73 | // ==================================================================================================================== |
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| 74 | |
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| 75 | inline Double xRoundIbdi2(Double x) |
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| 76 | { |
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| 77 | #if FULL_NBIT |
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| 78 | Int bitDepthMinus8 = g_uiBitDepth - 8; |
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| 79 | return ((x)>0) ? (Int)(((Int)(x)+(1<<(bitDepthMinus8-1)))/(1<<bitDepthMinus8)) : ((Int)(((Int)(x)-(1<<(bitDepthMinus8-1)))/(1<<bitDepthMinus8))); |
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| 80 | #else |
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| 81 | return ((x)>0) ? (Int)(((Int)(x)+(1<<(g_uiBitIncrement-1)))/(1<<g_uiBitIncrement)) : ((Int)(((Int)(x)-(1<<(g_uiBitIncrement-1)))/(1<<g_uiBitIncrement))); |
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| 82 | #endif |
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| 83 | } |
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| 84 | |
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| 85 | /** rounding with IBDI |
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| 86 | * \param x |
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| 87 | */ |
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| 88 | inline Double xRoundIbdi(Double x) |
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| 89 | { |
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| 90 | #if FULL_NBIT |
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| 91 | return (g_uiBitDepth > 8 ? xRoundIbdi2((x)) : ((x)>=0 ? ((Int)((x)+0.5)) : ((Int)((x)-0.5)))) ; |
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| 92 | #else |
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| 93 | return (g_uiBitIncrement >0 ? xRoundIbdi2((x)) : ((x)>=0 ? ((Int)((x)+0.5)) : ((Int)((x)-0.5)))) ; |
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| 94 | #endif |
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| 95 | } |
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| 96 | |
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| 97 | |
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| 98 | |
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| 99 | /** process SAO for one partition |
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| 100 | * \param *psQTPart, iPartIdx, dLambda |
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| 101 | */ |
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| 102 | #if SAO_UNIT_INTERLEAVING |
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| 103 | Void TEncSampleAdaptiveOffset::rdoSaoOnePart(SAOQTPart *psQTPart, Int iPartIdx, Double dLambda) |
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| 104 | { |
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| 105 | Int iTypeIdx; |
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| 106 | Int iNumTotalType = MAX_NUM_SAO_TYPE; |
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| 107 | SAOQTPart* pOnePart = &(psQTPart[iPartIdx]); |
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| 108 | |
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| 109 | Int64 iEstDist; |
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| 110 | Int64 iOffsetOrg; |
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| 111 | Int64 iOffset; |
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| 112 | Int64 iCount; |
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| 113 | Int iClassIdx; |
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| 114 | Int uiShift = g_uiBitIncrement << 1; |
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| 115 | UInt uiDepth = pOnePart->PartLevel; |
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| 116 | |
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| 117 | m_iDistOrg [iPartIdx] = 0; |
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| 118 | |
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| 119 | Double bestRDCostTableBo = MAX_DOUBLE; |
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| 120 | Int bestClassTableBo = 0; |
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| 121 | Int currentDistortionTableBo[MAX_NUM_SAO_CLASS]; |
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| 122 | Double currentRdCostTableBo[MAX_NUM_SAO_CLASS]; |
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| 123 | |
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| 124 | #if HHI_INTERVIEW_SKIP |
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| 125 | Int iFrameWidthInCU = m_pcPic->getFrameWidthInCU(); |
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| 126 | Int LcuIdxX = psQTPart->StartCUX; |
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| 127 | Int LcuIdxY = psQTPart->StartCUY; |
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| 128 | Int iAddr = LcuIdxY*iFrameWidthInCU + LcuIdxX; |
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| 129 | TComDataCU *pcCU = m_pcPic->getCU(iAddr); |
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| 130 | Bool bRenderable = pcCU->getRenderable(0) ; |
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| 131 | |
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| 132 | #endif |
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| 133 | for (iTypeIdx=-1; iTypeIdx<iNumTotalType; iTypeIdx++) |
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| 134 | { |
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| 135 | if( m_bUseSBACRD ) |
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| 136 | { |
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| 137 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[uiDepth][CI_CURR_BEST]); |
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| 138 | m_pcRDGoOnSbacCoder->resetBits(); |
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| 139 | } |
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| 140 | else |
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| 141 | { |
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| 142 | m_pcEntropyCoder->resetEntropy(); |
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| 143 | m_pcEntropyCoder->resetBits(); |
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| 144 | } |
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| 145 | |
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| 146 | iEstDist = 0; |
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| 147 | |
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| 148 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoTypeIdx(iTypeIdx+1); |
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| 149 | |
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| 150 | if (iTypeIdx>=0) |
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| 151 | { |
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| 152 | |
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| 153 | for(iClassIdx=1; iClassIdx < ( (iTypeIdx < SAO_BO) ? m_iNumClass[iTypeIdx]+1 : SAO_MAX_BO_CLASSES+1); iClassIdx++) |
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| 154 | { |
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| 155 | if( iTypeIdx == SAO_BO) |
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| 156 | { |
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| 157 | currentDistortionTableBo[iClassIdx-1] = 0; |
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| 158 | currentRdCostTableBo[iClassIdx-1] = dLambda; |
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| 159 | } |
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| 160 | #if HHI_INTERVIEW_SKIP |
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| 161 | if(m_iCount [iPartIdx][iTypeIdx][iClassIdx] && !bRenderable) |
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| 162 | #else |
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| 163 | if(m_iCount [iPartIdx][iTypeIdx][iClassIdx]) |
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| 164 | #endif |
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| 165 | { |
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| 166 | #if FULL_NBIT |
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| 167 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = (Int64) xRoundIbdi((Double)(m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx]<<g_uiBitDepth-8) / (Double)(m_iCount [iPartIdx][iTypeIdx][iClassIdx]<<m_uiSaoBitIncrease)); |
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| 168 | #else |
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| 169 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = (Int64) xRoundIbdi((Double)(m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx]<<g_uiBitIncrement) / (Double)(m_iCount [iPartIdx][iTypeIdx][iClassIdx]<<m_uiSaoBitIncrease)); |
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| 170 | #endif |
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| 171 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = Clip3(-m_iOffsetTh, m_iOffsetTh-1, (Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx]); |
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| 172 | |
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| 173 | if (iTypeIdx < 4) |
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| 174 | { |
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| 175 | if ( m_iOffset[iPartIdx][iTypeIdx][iClassIdx]<0 && iClassIdx<3 ) |
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| 176 | { |
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| 177 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = 0; |
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| 178 | } |
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| 179 | if ( m_iOffset[iPartIdx][iTypeIdx][iClassIdx]>0 && iClassIdx>=3) |
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| 180 | { |
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| 181 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = 0; |
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| 182 | } |
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| 183 | } |
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| 184 | { |
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| 185 | //Clean up, best_q_offset. |
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| 186 | Int64 iIterOffset, iTempOffset; |
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| 187 | Int64 iTempDist, iTempRate; |
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| 188 | Double dTempCost, dTempMinCost; |
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| 189 | UInt uiLength, uiTemp; |
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| 190 | |
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| 191 | iIterOffset = m_iOffset[iPartIdx][iTypeIdx][iClassIdx]; |
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| 192 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = 0; |
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| 193 | dTempMinCost = dLambda; // Assuming sending quantized value 0 results in zero offset and sending the value zero needs 1 bit. entropy coder can be used to measure the exact rate here. |
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| 194 | |
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| 195 | while (iIterOffset != 0) |
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| 196 | { |
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| 197 | // Calculate the bits required for signalling the offset |
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| 198 | uiLength = 1; |
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| 199 | uiTemp = (UInt)((iIterOffset <= 0) ? ( (-iIterOffset<<1) + 1 ) : (iIterOffset<<1)); |
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| 200 | while( 1 != uiTemp ) |
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| 201 | { |
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| 202 | uiTemp >>= 1; |
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| 203 | uiLength += 2; |
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| 204 | } |
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| 205 | iTempRate = (uiLength >> 1) + ((uiLength+1) >> 1); |
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| 206 | |
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| 207 | // Do the dequntization before distorion calculation |
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| 208 | iTempOffset = iIterOffset << m_uiSaoBitIncrease; |
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| 209 | iTempDist = (( m_iCount [iPartIdx][iTypeIdx][iClassIdx]*iTempOffset*iTempOffset-m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx]*iTempOffset*2 ) >> uiShift); |
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| 210 | |
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| 211 | dTempCost = ((Double)iTempDist + dLambda * (Double) iTempRate); |
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| 212 | if(dTempCost < dTempMinCost) |
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| 213 | { |
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| 214 | dTempMinCost = dTempCost; |
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| 215 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = iIterOffset; |
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| 216 | if(iTypeIdx == SAO_BO) |
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| 217 | { |
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| 218 | currentDistortionTableBo[iClassIdx-1] = (Int) iTempDist; |
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| 219 | currentRdCostTableBo[iClassIdx-1] = dTempCost; |
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| 220 | } |
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| 221 | } |
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| 222 | iIterOffset = (iIterOffset > 0) ? (iIterOffset-1):(iIterOffset+1); |
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| 223 | } |
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| 224 | |
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| 225 | } |
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| 226 | } |
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| 227 | else |
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| 228 | { |
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| 229 | m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx] = 0; |
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| 230 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = 0; |
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| 231 | } |
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| 232 | if( iTypeIdx != SAO_BO ) |
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| 233 | { |
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| 234 | iCount = m_iCount [iPartIdx][iTypeIdx][iClassIdx]; |
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| 235 | iOffset = m_iOffset[iPartIdx][iTypeIdx][iClassIdx] << m_uiSaoBitIncrease; |
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| 236 | iOffsetOrg = m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx]; |
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| 237 | iEstDist += (( iCount*iOffset*iOffset-iOffsetOrg*iOffset*2 ) >> uiShift); |
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| 238 | if (iTypeIdx < 4) |
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| 239 | { |
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| 240 | if (iClassIdx<3) |
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| 241 | { |
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| 242 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoUvlc((Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx]); |
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| 243 | } |
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| 244 | else |
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| 245 | { |
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| 246 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoUvlc((Int)-m_iOffset[iPartIdx][iTypeIdx][iClassIdx]); |
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| 247 | } |
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| 248 | } |
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| 249 | else |
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| 250 | { |
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| 251 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoSvlc((Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx]); |
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| 252 | } |
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| 253 | } |
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| 254 | } |
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| 255 | |
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| 256 | if( iTypeIdx == SAO_BO ) |
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| 257 | { |
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| 258 | // Estimate Best Position |
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| 259 | Double currentRDCost = 0.0; |
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| 260 | |
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| 261 | for(Int i=0; i< SAO_MAX_BO_CLASSES -SAO_BO_LEN +1; i++) |
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| 262 | { |
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| 263 | currentRDCost = 0.0; |
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| 264 | for(UInt uj = i; uj < i+SAO_BO_LEN; uj++) |
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| 265 | { |
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| 266 | currentRDCost += currentRdCostTableBo[uj]; |
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| 267 | } |
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| 268 | |
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| 269 | if( currentRDCost < bestRDCostTableBo) |
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| 270 | { |
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| 271 | bestRDCostTableBo = currentRDCost; |
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| 272 | bestClassTableBo = i; |
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| 273 | } |
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| 274 | } |
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| 275 | |
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| 276 | // Re code all Offsets |
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| 277 | // Code Center |
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| 278 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoUflc( (UInt) (bestClassTableBo) ); |
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| 279 | |
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| 280 | for(iClassIdx = bestClassTableBo; iClassIdx < bestClassTableBo+SAO_BO_LEN; iClassIdx++) |
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| 281 | { |
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| 282 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoSvlc((Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx+1]); |
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| 283 | iEstDist += currentDistortionTableBo[iClassIdx]; |
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| 284 | } |
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| 285 | } |
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| 286 | |
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| 287 | m_iDist[iPartIdx][iTypeIdx] = iEstDist; |
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| 288 | m_iRate[iPartIdx][iTypeIdx] = m_pcEntropyCoder->getNumberOfWrittenBits(); |
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| 289 | |
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| 290 | m_dCost[iPartIdx][iTypeIdx] = (Double)((Double)m_iDist[iPartIdx][iTypeIdx] + dLambda * (Double) m_iRate[iPartIdx][iTypeIdx]); |
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| 291 | |
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| 292 | if(m_dCost[iPartIdx][iTypeIdx] < m_dCostPartBest[iPartIdx]) |
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| 293 | { |
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| 294 | m_iDistOrg [iPartIdx] = 0; |
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| 295 | m_dCostPartBest[iPartIdx] = m_dCost[iPartIdx][iTypeIdx]; |
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| 296 | m_iTypePartBest[iPartIdx] = iTypeIdx; |
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| 297 | if( m_bUseSBACRD ) |
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| 298 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[pOnePart->PartLevel][CI_TEMP_BEST] ); |
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| 299 | } |
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| 300 | } |
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| 301 | else |
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| 302 | { |
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| 303 | if(m_iDistOrg[iPartIdx] < m_dCostPartBest[iPartIdx] ) |
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| 304 | { |
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| 305 | m_dCostPartBest[iPartIdx] = (Double) m_iDistOrg[iPartIdx] + m_pcEntropyCoder->getNumberOfWrittenBits()*dLambda ; |
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| 306 | m_iTypePartBest[iPartIdx] = -1; |
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| 307 | if( m_bUseSBACRD ) |
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| 308 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[pOnePart->PartLevel][CI_TEMP_BEST] ); |
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| 309 | } |
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| 310 | } |
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| 311 | } |
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| 312 | |
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| 313 | pOnePart->bProcessed = true; |
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| 314 | pOnePart->bSplit = false; |
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| 315 | pOnePart->iMinDist = m_iTypePartBest[iPartIdx] >= 0 ? m_iDist[iPartIdx][m_iTypePartBest[iPartIdx]] : m_iDistOrg[iPartIdx]; |
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| 316 | pOnePart->iMinRate = (Int) (m_iTypePartBest[iPartIdx] >= 0 ? m_iRate[iPartIdx][m_iTypePartBest[iPartIdx]] : 0); |
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| 317 | pOnePart->dMinCost = pOnePart->iMinDist + dLambda * pOnePart->iMinRate; |
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| 318 | pOnePart->iBestType = m_iTypePartBest[iPartIdx]; |
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| 319 | if (pOnePart->iBestType != -1) |
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| 320 | { |
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| 321 | // pOnePart->bEnableFlag = 1; |
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| 322 | pOnePart->iLength = m_iNumClass[pOnePart->iBestType]; |
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| 323 | Int minIndex = 0; |
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| 324 | if( pOnePart->iBestType == SAO_BO ) |
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| 325 | { |
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| 326 | pOnePart->bandPosition = bestClassTableBo; |
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| 327 | minIndex = pOnePart->bandPosition; |
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| 328 | } |
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| 329 | for (Int i=0; i< pOnePart->iLength ; i++) |
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| 330 | { |
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| 331 | pOnePart->iOffset[i] = (Int) m_iOffset[iPartIdx][pOnePart->iBestType][minIndex+i+1]; |
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| 332 | } |
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| 333 | |
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| 334 | } |
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| 335 | else |
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| 336 | { |
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| 337 | // pOnePart->bEnableFlag = 0; |
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| 338 | pOnePart->iLength = 0; |
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| 339 | } |
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| 340 | } |
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| 341 | |
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| 342 | #else |
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| 343 | Void TEncSampleAdaptiveOffset::rdoSaoOnePart(SAOQTPart *psQTPart, Int iPartIdx, Double dLambda) |
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| 344 | { |
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| 345 | Int iTypeIdx; |
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| 346 | Int iNumTotalType = MAX_NUM_SAO_TYPE; |
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| 347 | SAOQTPart* pOnePart = &(psQTPart[iPartIdx]); |
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| 348 | |
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| 349 | Int64 iEstDist; |
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| 350 | Int64 iOffsetOrg; |
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| 351 | Int64 iOffset; |
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| 352 | Int64 iCount; |
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| 353 | Int iClassIdx; |
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| 354 | Int uiShift = g_uiBitIncrement << 1; |
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| 355 | |
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| 356 | UInt uiDepth = pOnePart->PartLevel; |
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| 357 | |
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| 358 | m_iDistOrg [iPartIdx] = 0; |
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| 359 | |
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| 360 | for (iTypeIdx=-1; iTypeIdx<iNumTotalType; iTypeIdx++) |
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| 361 | { |
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| 362 | if( m_bUseSBACRD ) |
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| 363 | { |
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| 364 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[uiDepth][CI_CURR_BEST]); |
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| 365 | m_pcRDGoOnSbacCoder->resetBits(); |
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| 366 | } |
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| 367 | else |
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| 368 | { |
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| 369 | m_pcEntropyCoder->resetEntropy(); |
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| 370 | m_pcEntropyCoder->resetBits(); |
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| 371 | } |
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| 372 | |
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| 373 | iEstDist = 0; |
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| 374 | |
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| 375 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoUvlc(iTypeIdx+1); |
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| 376 | |
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| 377 | if (iTypeIdx>=0) |
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| 378 | { |
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| 379 | |
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| 380 | for(iClassIdx=1; iClassIdx < m_iNumClass[iTypeIdx]+1; iClassIdx++) |
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| 381 | { |
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| 382 | if(m_iCount [iPartIdx][iTypeIdx][iClassIdx]) |
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| 383 | { |
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| 384 | #if FULL_NBIT |
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| 385 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = (Int64) xRoundIbdi((Double)(m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx]<<g_uiBitDepth-8) / (Double)(m_iCount [iPartIdx][iTypeIdx][iClassIdx]<<m_uiSaoBitIncrease)); |
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| 386 | #else |
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| 387 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = (Int64) xRoundIbdi((Double)(m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx]<<g_uiBitIncrement) / (Double)(m_iCount [iPartIdx][iTypeIdx][iClassIdx]<<m_uiSaoBitIncrease)); |
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| 388 | #endif |
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| 389 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = Clip3(-m_iOffsetTh, m_iOffsetTh-1, (Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx]); |
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| 390 | { |
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| 391 | Int64 iterOffset, tempOffset; |
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| 392 | Int64 tempDist, tempRate; |
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| 393 | Double tempCost, tempMinCost; |
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| 394 | UInt codeLength, tempValue; |
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| 395 | |
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| 396 | iterOffset = m_iOffset[iPartIdx][iTypeIdx][iClassIdx]; |
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| 397 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = 0; |
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| 398 | tempMinCost = dLambda; // Assuming sending quantized value 0 results in zero offset and sending the value zero needs 1 bit. entropy coder can be used to measure the exact rate here. |
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| 399 | |
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| 400 | while (iterOffset != 0) |
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| 401 | { |
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| 402 | // Calculate the bits required for signalling the offset |
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| 403 | codeLength = 1; |
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| 404 | tempValue = (UInt)((iterOffset <= 0) ? ( (-iterOffset<<1) + 1 ) : (iterOffset<<1)); |
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| 405 | while( 1 != tempValue ) |
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| 406 | { |
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| 407 | tempValue >>= 1; |
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| 408 | codeLength += 2; |
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| 409 | } |
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| 410 | tempRate = (codeLength >> 1) + ((codeLength+1) >> 1); |
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| 411 | |
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| 412 | // Do the dequntization before distorion calculation |
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| 413 | tempOffset = iterOffset << m_uiSaoBitIncrease; |
---|
| 414 | tempDist = (( m_iCount [iPartIdx][iTypeIdx][iClassIdx]*tempOffset*tempOffset-m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx]*tempOffset*2 ) >> uiShift); |
---|
| 415 | |
---|
| 416 | tempCost = ((Double)tempDist + dLambda * (Double) tempRate); |
---|
| 417 | if(tempCost < tempMinCost) |
---|
| 418 | { |
---|
| 419 | tempMinCost = tempCost; |
---|
| 420 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = iterOffset; |
---|
| 421 | } |
---|
| 422 | iterOffset = (iterOffset > 0) ? (iterOffset-1):(iterOffset+1); |
---|
| 423 | } |
---|
| 424 | } |
---|
| 425 | } |
---|
| 426 | else |
---|
| 427 | { |
---|
| 428 | m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx] = 0; |
---|
| 429 | m_iOffset[iPartIdx][iTypeIdx][iClassIdx] = 0; |
---|
| 430 | } |
---|
| 431 | |
---|
| 432 | iCount = m_iCount [iPartIdx][iTypeIdx][iClassIdx]; |
---|
| 433 | iOffset = m_iOffset[iPartIdx][iTypeIdx][iClassIdx] << m_uiSaoBitIncrease; |
---|
| 434 | iOffsetOrg = m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx]; |
---|
| 435 | iEstDist += (( iCount*iOffset*iOffset-iOffsetOrg*iOffset*2 ) >> uiShift); |
---|
| 436 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoSvlc((Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx]); |
---|
| 437 | } |
---|
| 438 | m_iDist[iPartIdx][iTypeIdx] = iEstDist; |
---|
| 439 | m_iRate[iPartIdx][iTypeIdx] = m_pcEntropyCoder->getNumberOfWrittenBits(); |
---|
| 440 | |
---|
| 441 | m_dCost[iPartIdx][iTypeIdx] = (Double)((Double)m_iDist[iPartIdx][iTypeIdx] + dLambda * (Double) m_iRate[iPartIdx][iTypeIdx]); |
---|
| 442 | |
---|
| 443 | if(m_dCost[iPartIdx][iTypeIdx] < m_dCostPartBest[iPartIdx]) |
---|
| 444 | { |
---|
| 445 | m_iDistOrg [iPartIdx] = 0; |
---|
| 446 | m_dCostPartBest[iPartIdx] = m_dCost[iPartIdx][iTypeIdx]; |
---|
| 447 | m_iTypePartBest[iPartIdx] = iTypeIdx; |
---|
| 448 | if( m_bUseSBACRD ) |
---|
| 449 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[pOnePart->PartLevel][CI_TEMP_BEST] ); |
---|
| 450 | } |
---|
| 451 | } |
---|
| 452 | else |
---|
| 453 | { |
---|
| 454 | if(m_iDistOrg[iPartIdx] < m_dCostPartBest[iPartIdx] ) |
---|
| 455 | { |
---|
| 456 | m_dCostPartBest[iPartIdx] = (Double) m_iDistOrg[iPartIdx] + m_pcEntropyCoder->getNumberOfWrittenBits()*dLambda ; |
---|
| 457 | m_iTypePartBest[iPartIdx] = -1; |
---|
| 458 | if( m_bUseSBACRD ) |
---|
| 459 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[pOnePart->PartLevel][CI_TEMP_BEST] ); |
---|
| 460 | } |
---|
| 461 | } |
---|
| 462 | } |
---|
| 463 | |
---|
| 464 | pOnePart->bProcessed = true; |
---|
| 465 | pOnePart->bSplit = false; |
---|
| 466 | pOnePart->iMinDist = m_iTypePartBest[iPartIdx] >= 0 ? m_iDist[iPartIdx][m_iTypePartBest[iPartIdx]] : m_iDistOrg[iPartIdx]; |
---|
| 467 | pOnePart->iMinRate = (Int) (m_iTypePartBest[iPartIdx] >= 0 ? m_iRate[iPartIdx][m_iTypePartBest[iPartIdx]] : 0); |
---|
| 468 | pOnePart->dMinCost = pOnePart->iMinDist + dLambda * pOnePart->iMinRate; |
---|
| 469 | pOnePart->iBestType = m_iTypePartBest[iPartIdx]; |
---|
| 470 | if (pOnePart->iBestType != -1) |
---|
| 471 | { |
---|
| 472 | pOnePart->bEnableFlag = 1; |
---|
| 473 | pOnePart->iLength = m_iNumClass[pOnePart->iBestType]; |
---|
| 474 | for (Int i=0; i<pOnePart->iLength ; i++) |
---|
| 475 | pOnePart->iOffset[i] = (Int) m_iOffset[iPartIdx][pOnePart->iBestType][i+1]; |
---|
| 476 | } |
---|
| 477 | else |
---|
| 478 | { |
---|
| 479 | pOnePart->bEnableFlag = 0; |
---|
| 480 | pOnePart->iLength = 0; |
---|
| 481 | } |
---|
| 482 | } |
---|
| 483 | |
---|
| 484 | #endif |
---|
| 485 | /** Run partition tree disable |
---|
| 486 | */ |
---|
| 487 | Void TEncSampleAdaptiveOffset::disablePartTree(SAOQTPart *psQTPart, Int iPartIdx) |
---|
| 488 | { |
---|
| 489 | SAOQTPart* pOnePart= &(psQTPart[iPartIdx]); |
---|
| 490 | #if !SAO_UNIT_INTERLEAVING |
---|
| 491 | pOnePart->bEnableFlag = false; |
---|
| 492 | #endif |
---|
| 493 | pOnePart->bSplit = false; |
---|
| 494 | pOnePart->iLength = 0; |
---|
| 495 | pOnePart->iBestType = -1; |
---|
| 496 | |
---|
| 497 | if (pOnePart->PartLevel < m_uiMaxSplitLevel) |
---|
| 498 | { |
---|
| 499 | for (Int i=0; i<NUM_DOWN_PART; i++) |
---|
| 500 | { |
---|
| 501 | disablePartTree(psQTPart, pOnePart->DownPartsIdx[i]); |
---|
| 502 | } |
---|
| 503 | } |
---|
| 504 | } |
---|
| 505 | |
---|
| 506 | /** Run quadtree decision function |
---|
| 507 | * \param iPartIdx, pcPicOrg, pcPicDec, pcPicRest, &dCostFinal |
---|
| 508 | */ |
---|
| 509 | Void TEncSampleAdaptiveOffset::runQuadTreeDecision(SAOQTPart *psQTPart, Int iPartIdx, Double &dCostFinal, Int iMaxLevel, Double dLambda) |
---|
| 510 | { |
---|
| 511 | SAOQTPart* pOnePart = &(psQTPart[iPartIdx]); |
---|
| 512 | |
---|
| 513 | UInt uiDepth = pOnePart->PartLevel; |
---|
| 514 | UInt uhNextDepth = uiDepth+1; |
---|
| 515 | |
---|
| 516 | if (iPartIdx == 0) |
---|
| 517 | { |
---|
| 518 | dCostFinal = 0; |
---|
| 519 | } |
---|
| 520 | |
---|
| 521 | //SAO for this part |
---|
| 522 | if(!pOnePart->bProcessed) |
---|
| 523 | { |
---|
| 524 | rdoSaoOnePart (psQTPart, iPartIdx, dLambda); |
---|
| 525 | } |
---|
| 526 | |
---|
| 527 | //SAO for sub 4 parts |
---|
| 528 | if (pOnePart->PartLevel < iMaxLevel) |
---|
| 529 | { |
---|
| 530 | Double dCostNotSplit = dLambda + pOnePart->dMinCost; |
---|
| 531 | Double dCostSplit = dLambda; |
---|
| 532 | |
---|
| 533 | for (Int i=0; i< NUM_DOWN_PART ;i++) |
---|
| 534 | { |
---|
| 535 | if( m_bUseSBACRD ) |
---|
| 536 | { |
---|
| 537 | if ( 0 == i) //initialize RD with previous depth buffer |
---|
| 538 | { |
---|
| 539 | m_pppcRDSbacCoder[uhNextDepth][CI_CURR_BEST]->load(m_pppcRDSbacCoder[uiDepth][CI_CURR_BEST]); |
---|
| 540 | } |
---|
| 541 | else |
---|
| 542 | { |
---|
| 543 | m_pppcRDSbacCoder[uhNextDepth][CI_CURR_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]); |
---|
| 544 | } |
---|
| 545 | } |
---|
| 546 | runQuadTreeDecision(psQTPart, pOnePart->DownPartsIdx[i], dCostFinal, iMaxLevel, dLambda); |
---|
| 547 | dCostSplit += dCostFinal; |
---|
| 548 | if( m_bUseSBACRD ) |
---|
| 549 | { |
---|
| 550 | m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_TEMP_BEST]); |
---|
| 551 | } |
---|
| 552 | } |
---|
| 553 | |
---|
| 554 | if(dCostSplit < dCostNotSplit) |
---|
| 555 | { |
---|
| 556 | dCostFinal = dCostSplit; |
---|
| 557 | pOnePart->bSplit = true; |
---|
| 558 | #if !SAO_UNIT_INTERLEAVING |
---|
| 559 | pOnePart->bEnableFlag = false; |
---|
| 560 | #endif |
---|
| 561 | pOnePart->iLength = 0; |
---|
| 562 | pOnePart->iBestType = -1; |
---|
| 563 | if( m_bUseSBACRD ) |
---|
| 564 | { |
---|
| 565 | m_pppcRDSbacCoder[uiDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]); |
---|
| 566 | } |
---|
| 567 | } |
---|
| 568 | else |
---|
| 569 | { |
---|
| 570 | dCostFinal = dCostNotSplit; |
---|
| 571 | pOnePart->bSplit = false; |
---|
| 572 | for (Int i=0; i<NUM_DOWN_PART; i++) |
---|
| 573 | { |
---|
| 574 | disablePartTree(psQTPart, pOnePart->DownPartsIdx[i]); |
---|
| 575 | } |
---|
| 576 | if( m_bUseSBACRD ) |
---|
| 577 | { |
---|
| 578 | m_pppcRDSbacCoder[uiDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uiDepth][CI_TEMP_BEST]); |
---|
| 579 | } |
---|
| 580 | } |
---|
| 581 | } |
---|
| 582 | else |
---|
| 583 | { |
---|
| 584 | dCostFinal = pOnePart->dMinCost; |
---|
| 585 | } |
---|
| 586 | } |
---|
| 587 | |
---|
| 588 | /** delete allocated memory of TEncSampleAdaptiveOffset class. |
---|
| 589 | */ |
---|
| 590 | Void TEncSampleAdaptiveOffset::destroyEncBuffer() |
---|
| 591 | { |
---|
| 592 | for (Int i=0;i<m_iNumTotalParts;i++) |
---|
| 593 | { |
---|
| 594 | for (Int j=0;j<MAX_NUM_SAO_TYPE;j++) |
---|
| 595 | { |
---|
| 596 | if (m_iCount [i][j]) |
---|
| 597 | { |
---|
| 598 | delete [] m_iCount [i][j]; |
---|
| 599 | } |
---|
| 600 | if (m_iOffset[i][j]) |
---|
| 601 | { |
---|
| 602 | delete [] m_iOffset[i][j]; |
---|
| 603 | } |
---|
| 604 | if (m_iOffsetOrg[i][j]) |
---|
| 605 | { |
---|
| 606 | delete [] m_iOffsetOrg[i][j]; |
---|
| 607 | } |
---|
| 608 | } |
---|
| 609 | if (m_iRate[i]) |
---|
| 610 | { |
---|
| 611 | delete [] m_iRate[i]; |
---|
| 612 | } |
---|
| 613 | if (m_iDist[i]) |
---|
| 614 | { |
---|
| 615 | delete [] m_iDist[i]; |
---|
| 616 | } |
---|
| 617 | if (m_dCost[i]) |
---|
| 618 | { |
---|
| 619 | delete [] m_dCost[i]; |
---|
| 620 | } |
---|
| 621 | if (m_iCount [i]) |
---|
| 622 | { |
---|
| 623 | delete [] m_iCount [i]; |
---|
| 624 | } |
---|
| 625 | if (m_iOffset[i]) |
---|
| 626 | { |
---|
| 627 | delete [] m_iOffset[i]; |
---|
| 628 | } |
---|
| 629 | if (m_iOffsetOrg[i]) |
---|
| 630 | { |
---|
| 631 | delete [] m_iOffsetOrg[i]; |
---|
| 632 | } |
---|
| 633 | |
---|
| 634 | } |
---|
| 635 | if (m_iDistOrg) |
---|
| 636 | { |
---|
| 637 | delete [] m_iDistOrg ; m_iDistOrg = NULL; |
---|
| 638 | } |
---|
| 639 | if (m_dCostPartBest) |
---|
| 640 | { |
---|
| 641 | delete [] m_dCostPartBest ; m_dCostPartBest = NULL; |
---|
| 642 | } |
---|
| 643 | if (m_iTypePartBest) |
---|
| 644 | { |
---|
| 645 | delete [] m_iTypePartBest ; m_iTypePartBest = NULL; |
---|
| 646 | } |
---|
| 647 | if (m_iRate) |
---|
| 648 | { |
---|
| 649 | delete [] m_iRate ; m_iRate = NULL; |
---|
| 650 | } |
---|
| 651 | if (m_iDist) |
---|
| 652 | { |
---|
| 653 | delete [] m_iDist ; m_iDist = NULL; |
---|
| 654 | } |
---|
| 655 | if (m_dCost) |
---|
| 656 | { |
---|
| 657 | delete [] m_dCost ; m_dCost = NULL; |
---|
| 658 | } |
---|
| 659 | if (m_iCount) |
---|
| 660 | { |
---|
| 661 | delete [] m_iCount ; m_iCount = NULL; |
---|
| 662 | } |
---|
| 663 | if (m_iOffset) |
---|
| 664 | { |
---|
| 665 | delete [] m_iOffset ; m_iOffset = NULL; |
---|
| 666 | } |
---|
| 667 | if (m_iOffsetOrg) |
---|
| 668 | { |
---|
| 669 | delete [] m_iOffsetOrg ; m_iOffsetOrg = NULL; |
---|
| 670 | } |
---|
| 671 | |
---|
| 672 | Int iMaxDepth = 4; |
---|
| 673 | Int iDepth; |
---|
| 674 | for ( iDepth = 0; iDepth < iMaxDepth+1; iDepth++ ) |
---|
| 675 | { |
---|
| 676 | for (Int iCIIdx = 0; iCIIdx < CI_NUM; iCIIdx ++ ) |
---|
| 677 | { |
---|
| 678 | delete m_pppcRDSbacCoder[iDepth][iCIIdx]; |
---|
| 679 | delete m_pppcBinCoderCABAC[iDepth][iCIIdx]; |
---|
| 680 | } |
---|
| 681 | } |
---|
| 682 | |
---|
| 683 | for ( iDepth = 0; iDepth < iMaxDepth+1; iDepth++ ) |
---|
| 684 | { |
---|
| 685 | delete [] m_pppcRDSbacCoder[iDepth]; |
---|
| 686 | delete [] m_pppcBinCoderCABAC[iDepth]; |
---|
| 687 | } |
---|
| 688 | |
---|
| 689 | delete [] m_pppcRDSbacCoder; |
---|
| 690 | delete [] m_pppcBinCoderCABAC; |
---|
| 691 | } |
---|
| 692 | |
---|
| 693 | /** create Encoder Buffer for SAO |
---|
| 694 | * \param |
---|
| 695 | */ |
---|
| 696 | Void TEncSampleAdaptiveOffset::createEncBuffer() |
---|
| 697 | { |
---|
| 698 | m_iDistOrg = new Int64 [m_iNumTotalParts]; |
---|
| 699 | m_dCostPartBest = new Double [m_iNumTotalParts]; |
---|
| 700 | m_iTypePartBest = new Int [m_iNumTotalParts]; |
---|
| 701 | |
---|
| 702 | m_iRate = new Int64* [m_iNumTotalParts]; |
---|
| 703 | m_iDist = new Int64* [m_iNumTotalParts]; |
---|
| 704 | m_dCost = new Double*[m_iNumTotalParts]; |
---|
| 705 | |
---|
| 706 | m_iCount = new Int64 **[m_iNumTotalParts]; |
---|
| 707 | m_iOffset = new Int64 **[m_iNumTotalParts]; |
---|
| 708 | m_iOffsetOrg = new Int64 **[m_iNumTotalParts]; |
---|
| 709 | |
---|
| 710 | for (Int i=0;i<m_iNumTotalParts;i++) |
---|
| 711 | { |
---|
| 712 | m_iRate[i] = new Int64 [MAX_NUM_SAO_TYPE]; |
---|
| 713 | m_iDist[i] = new Int64 [MAX_NUM_SAO_TYPE]; |
---|
| 714 | m_dCost[i] = new Double [MAX_NUM_SAO_TYPE]; |
---|
| 715 | |
---|
| 716 | m_iCount [i] = new Int64 *[MAX_NUM_SAO_TYPE]; |
---|
| 717 | m_iOffset[i] = new Int64 *[MAX_NUM_SAO_TYPE]; |
---|
| 718 | m_iOffsetOrg[i] = new Int64 *[MAX_NUM_SAO_TYPE]; |
---|
| 719 | |
---|
| 720 | for (Int j=0;j<MAX_NUM_SAO_TYPE;j++) |
---|
| 721 | { |
---|
| 722 | m_iCount [i][j] = new Int64 [MAX_NUM_SAO_CLASS]; |
---|
| 723 | m_iOffset[i][j] = new Int64 [MAX_NUM_SAO_CLASS]; |
---|
| 724 | m_iOffsetOrg[i][j]= new Int64 [MAX_NUM_SAO_CLASS]; |
---|
| 725 | } |
---|
| 726 | } |
---|
| 727 | |
---|
| 728 | Int iMaxDepth = 4; |
---|
| 729 | m_pppcRDSbacCoder = new TEncSbac** [iMaxDepth+1]; |
---|
| 730 | #if FAST_BIT_EST |
---|
| 731 | m_pppcBinCoderCABAC = new TEncBinCABACCounter** [iMaxDepth+1]; |
---|
| 732 | #else |
---|
| 733 | m_pppcBinCoderCABAC = new TEncBinCABAC** [iMaxDepth+1]; |
---|
| 734 | #endif |
---|
| 735 | |
---|
| 736 | for ( Int iDepth = 0; iDepth < iMaxDepth+1; iDepth++ ) |
---|
| 737 | { |
---|
| 738 | m_pppcRDSbacCoder[iDepth] = new TEncSbac* [CI_NUM]; |
---|
| 739 | #if FAST_BIT_EST |
---|
| 740 | m_pppcBinCoderCABAC[iDepth] = new TEncBinCABACCounter* [CI_NUM]; |
---|
| 741 | #else |
---|
| 742 | m_pppcBinCoderCABAC[iDepth] = new TEncBinCABAC* [CI_NUM]; |
---|
| 743 | #endif |
---|
| 744 | for (Int iCIIdx = 0; iCIIdx < CI_NUM; iCIIdx ++ ) |
---|
| 745 | { |
---|
| 746 | m_pppcRDSbacCoder[iDepth][iCIIdx] = new TEncSbac; |
---|
| 747 | #if FAST_BIT_EST |
---|
| 748 | m_pppcBinCoderCABAC [iDepth][iCIIdx] = new TEncBinCABACCounter; |
---|
| 749 | #else |
---|
| 750 | m_pppcBinCoderCABAC [iDepth][iCIIdx] = new TEncBinCABAC; |
---|
| 751 | #endif |
---|
| 752 | m_pppcRDSbacCoder [iDepth][iCIIdx]->init( m_pppcBinCoderCABAC [iDepth][iCIIdx] ); |
---|
| 753 | } |
---|
| 754 | } |
---|
| 755 | } |
---|
| 756 | |
---|
| 757 | /** Start SAO encoder |
---|
| 758 | * \param pcPic, pcEntropyCoder, pppcRDSbacCoder, pcRDGoOnSbacCoder |
---|
| 759 | */ |
---|
| 760 | Void TEncSampleAdaptiveOffset::startSaoEnc( TComPic* pcPic, TEncEntropy* pcEntropyCoder, TEncSbac*** pppcRDSbacCoder, TEncSbac* pcRDGoOnSbacCoder) |
---|
| 761 | { |
---|
| 762 | if( pcRDGoOnSbacCoder ) |
---|
| 763 | m_bUseSBACRD = true; |
---|
| 764 | else |
---|
| 765 | m_bUseSBACRD = false; |
---|
| 766 | |
---|
| 767 | m_pcPic = pcPic; |
---|
| 768 | m_pcEntropyCoder = pcEntropyCoder; |
---|
| 769 | |
---|
| 770 | m_pcRDGoOnSbacCoder = pcRDGoOnSbacCoder; |
---|
| 771 | m_pcEntropyCoder->resetEntropy(); |
---|
| 772 | m_pcEntropyCoder->resetBits(); |
---|
| 773 | |
---|
| 774 | if( m_bUseSBACRD ) |
---|
| 775 | { |
---|
| 776 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_NEXT_BEST]); |
---|
| 777 | m_pppcRDSbacCoder[0][CI_CURR_BEST]->load( m_pppcRDSbacCoder[0][CI_NEXT_BEST]); |
---|
| 778 | } |
---|
| 779 | } |
---|
| 780 | |
---|
| 781 | /** End SAO encoder |
---|
| 782 | */ |
---|
| 783 | Void TEncSampleAdaptiveOffset::endSaoEnc() |
---|
| 784 | { |
---|
| 785 | m_pcPic = NULL; |
---|
| 786 | m_pcEntropyCoder = NULL; |
---|
| 787 | } |
---|
| 788 | |
---|
| 789 | inline int xSign(int x) |
---|
| 790 | { |
---|
| 791 | return ((x >> 31) | ((int)( (((unsigned int) -x)) >> 31))); |
---|
| 792 | } |
---|
| 793 | |
---|
| 794 | /** Calculate SAO statistics for non-cross-slice or non-cross-tile processing |
---|
| 795 | * \param pRecStart to-be-filtered block buffer pointer |
---|
| 796 | * \param pOrgStart original block buffer pointer |
---|
| 797 | * \param stride picture buffer stride |
---|
| 798 | * \param ppStat statistics buffer |
---|
| 799 | * \param ppCount counter buffer |
---|
| 800 | * \param width block width |
---|
| 801 | * \param height block height |
---|
| 802 | * \param pbBorderAvail availabilities of block border pixels |
---|
| 803 | */ |
---|
| 804 | Void TEncSampleAdaptiveOffset::calcSaoStatsBlock( Pel* pRecStart, Pel* pOrgStart, Int stride, Int64** ppStats, Int64** ppCount, UInt width, UInt height, Bool* pbBorderAvail) |
---|
| 805 | { |
---|
| 806 | Int64 *stats, *count; |
---|
| 807 | Int classIdx, posShift, startX, endX, startY, endY, signLeft,signRight,signDown,signDown1; |
---|
| 808 | Pel *pOrg, *pRec; |
---|
| 809 | UInt edgeType; |
---|
| 810 | Int x, y; |
---|
| 811 | |
---|
| 812 | #if SAO_UNIT_INTERLEAVING |
---|
| 813 | //--------- Band offset-----------// |
---|
| 814 | stats = ppStats[SAO_BO]; |
---|
| 815 | count = ppCount[SAO_BO]; |
---|
| 816 | pOrg = pOrgStart; |
---|
| 817 | pRec = pRecStart; |
---|
| 818 | for (y=0; y< height; y++) |
---|
| 819 | { |
---|
| 820 | for (x=0; x< width; x++) |
---|
| 821 | { |
---|
| 822 | classIdx = m_lumaTableBo[pRec[x]]; |
---|
| 823 | if (classIdx) |
---|
| 824 | { |
---|
| 825 | stats[classIdx] += (pOrg[x] - pRec[x]); |
---|
| 826 | count[classIdx] ++; |
---|
| 827 | } |
---|
| 828 | } |
---|
| 829 | pOrg += stride; |
---|
| 830 | pRec += stride; |
---|
| 831 | } |
---|
| 832 | #else |
---|
| 833 | //--------- Band offset 0-----------// |
---|
| 834 | stats = ppStats[SAO_BO_0]; |
---|
| 835 | count = ppCount[SAO_BO_0]; |
---|
| 836 | pOrg = pOrgStart; |
---|
| 837 | pRec = pRecStart; |
---|
| 838 | for (y=0; y< height; y++) |
---|
| 839 | { |
---|
| 840 | for (x=0; x< width; x++) |
---|
| 841 | { |
---|
| 842 | classIdx = m_ppLumaTableBo0[pRec[x]]; |
---|
| 843 | if (classIdx) |
---|
| 844 | { |
---|
| 845 | stats[classIdx] += (pOrg[x] - pRec[x]); |
---|
| 846 | count[classIdx] ++; |
---|
| 847 | } |
---|
| 848 | } |
---|
| 849 | pOrg += stride; |
---|
| 850 | pRec += stride; |
---|
| 851 | } |
---|
| 852 | |
---|
| 853 | //--------- Band offset 1-----------// |
---|
| 854 | stats = ppStats[SAO_BO_1]; |
---|
| 855 | count = ppCount[SAO_BO_1]; |
---|
| 856 | pOrg = pOrgStart; |
---|
| 857 | pRec = pRecStart; |
---|
| 858 | |
---|
| 859 | for (y=0; y< height; y++) |
---|
| 860 | { |
---|
| 861 | for (x=0; x< width; x++) |
---|
| 862 | { |
---|
| 863 | classIdx = m_ppLumaTableBo1[pRec[x]]; |
---|
| 864 | if (classIdx) |
---|
| 865 | { |
---|
| 866 | stats[classIdx] += (pOrg[x] - pRec[x]); |
---|
| 867 | count[classIdx] ++; |
---|
| 868 | } |
---|
| 869 | } |
---|
| 870 | pOrg += stride; |
---|
| 871 | pRec += stride; |
---|
| 872 | } |
---|
| 873 | #endif |
---|
| 874 | //---------- Edge offset 0--------------// |
---|
| 875 | stats = ppStats[SAO_EO_0]; |
---|
| 876 | count = ppCount[SAO_EO_0]; |
---|
| 877 | pOrg = pOrgStart; |
---|
| 878 | pRec = pRecStart; |
---|
| 879 | |
---|
| 880 | |
---|
| 881 | startX = (pbBorderAvail[SGU_L]) ? 0 : 1; |
---|
| 882 | endX = (pbBorderAvail[SGU_R]) ? width : (width -1); |
---|
| 883 | for (y=0; y< height; y++) |
---|
| 884 | { |
---|
| 885 | signLeft = xSign(pRec[startX] - pRec[startX-1]); |
---|
| 886 | for (x=startX; x< endX; x++) |
---|
| 887 | { |
---|
| 888 | signRight = xSign(pRec[x] - pRec[x+1]); |
---|
| 889 | edgeType = signRight + signLeft + 2; |
---|
| 890 | signLeft = -signRight; |
---|
| 891 | |
---|
| 892 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 893 | count[m_auiEoTable[edgeType]] ++; |
---|
| 894 | } |
---|
| 895 | pRec += stride; |
---|
| 896 | pOrg += stride; |
---|
| 897 | } |
---|
| 898 | |
---|
| 899 | //---------- Edge offset 1--------------// |
---|
| 900 | stats = ppStats[SAO_EO_1]; |
---|
| 901 | count = ppCount[SAO_EO_1]; |
---|
| 902 | pOrg = pOrgStart; |
---|
| 903 | pRec = pRecStart; |
---|
| 904 | |
---|
| 905 | startY = (pbBorderAvail[SGU_T]) ? 0 : 1; |
---|
| 906 | endY = (pbBorderAvail[SGU_B]) ? height : height-1; |
---|
| 907 | if (!pbBorderAvail[SGU_T]) |
---|
| 908 | { |
---|
| 909 | pRec += stride; |
---|
| 910 | pOrg += stride; |
---|
| 911 | } |
---|
| 912 | |
---|
| 913 | for (x=0; x< width; x++) |
---|
| 914 | { |
---|
| 915 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride]); |
---|
| 916 | } |
---|
| 917 | for (y=startY; y<endY; y++) |
---|
| 918 | { |
---|
| 919 | for (x=0; x< width; x++) |
---|
| 920 | { |
---|
| 921 | signDown = xSign(pRec[x] - pRec[x+stride]); |
---|
| 922 | edgeType = signDown + m_iUpBuff1[x] + 2; |
---|
| 923 | m_iUpBuff1[x] = -signDown; |
---|
| 924 | |
---|
| 925 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 926 | count[m_auiEoTable[edgeType]] ++; |
---|
| 927 | } |
---|
| 928 | pOrg += stride; |
---|
| 929 | pRec += stride; |
---|
| 930 | } |
---|
| 931 | //---------- Edge offset 2--------------// |
---|
| 932 | stats = ppStats[SAO_EO_2]; |
---|
| 933 | count = ppCount[SAO_EO_2]; |
---|
| 934 | pOrg = pOrgStart; |
---|
| 935 | pRec = pRecStart; |
---|
| 936 | |
---|
| 937 | posShift= stride + 1; |
---|
| 938 | |
---|
| 939 | startX = (pbBorderAvail[SGU_L]) ? 0 : 1 ; |
---|
| 940 | endX = (pbBorderAvail[SGU_R]) ? width : (width-1); |
---|
| 941 | |
---|
| 942 | //prepare 2nd line upper sign |
---|
| 943 | pRec += stride; |
---|
| 944 | for (x=startX; x< endX+1; x++) |
---|
| 945 | { |
---|
| 946 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x- posShift]); |
---|
| 947 | } |
---|
| 948 | |
---|
| 949 | //1st line |
---|
| 950 | pRec -= stride; |
---|
| 951 | if(pbBorderAvail[SGU_TL]) |
---|
| 952 | { |
---|
| 953 | x= 0; |
---|
| 954 | edgeType = xSign(pRec[x] - pRec[x- posShift]) - m_iUpBuff1[x+1] + 2; |
---|
| 955 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 956 | count[m_auiEoTable[edgeType]] ++; |
---|
| 957 | } |
---|
| 958 | if(pbBorderAvail[SGU_T]) |
---|
| 959 | { |
---|
| 960 | for(x= 1; x< endX; x++) |
---|
| 961 | { |
---|
| 962 | edgeType = xSign(pRec[x] - pRec[x- posShift]) - m_iUpBuff1[x+1] + 2; |
---|
| 963 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 964 | count[m_auiEoTable[edgeType]] ++; |
---|
| 965 | } |
---|
| 966 | } |
---|
| 967 | pRec += stride; |
---|
| 968 | pOrg += stride; |
---|
| 969 | |
---|
| 970 | //middle lines |
---|
| 971 | for (y= 1; y< height-1; y++) |
---|
| 972 | { |
---|
| 973 | for (x=startX; x<endX; x++) |
---|
| 974 | { |
---|
| 975 | signDown1 = xSign(pRec[x] - pRec[x+ posShift]) ; |
---|
| 976 | edgeType = signDown1 + m_iUpBuff1[x] + 2; |
---|
| 977 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 978 | count[m_auiEoTable[edgeType]] ++; |
---|
| 979 | |
---|
| 980 | m_iUpBufft[x+1] = -signDown1; |
---|
| 981 | } |
---|
| 982 | m_iUpBufft[startX] = xSign(pRec[stride+startX] - pRec[startX-1]); |
---|
| 983 | |
---|
| 984 | ipSwap = m_iUpBuff1; |
---|
| 985 | m_iUpBuff1 = m_iUpBufft; |
---|
| 986 | m_iUpBufft = ipSwap; |
---|
| 987 | |
---|
| 988 | pRec += stride; |
---|
| 989 | pOrg += stride; |
---|
| 990 | } |
---|
| 991 | |
---|
| 992 | //last line |
---|
| 993 | if(pbBorderAvail[SGU_B]) |
---|
| 994 | { |
---|
| 995 | for(x= startX; x< width-1; x++) |
---|
| 996 | { |
---|
| 997 | edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2; |
---|
| 998 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 999 | count[m_auiEoTable[edgeType]] ++; |
---|
| 1000 | } |
---|
| 1001 | } |
---|
| 1002 | if(pbBorderAvail[SGU_BR]) |
---|
| 1003 | { |
---|
| 1004 | x= width -1; |
---|
| 1005 | edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2; |
---|
| 1006 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1007 | count[m_auiEoTable[edgeType]] ++; |
---|
| 1008 | } |
---|
| 1009 | |
---|
| 1010 | //---------- Edge offset 3--------------// |
---|
| 1011 | |
---|
| 1012 | stats = ppStats[SAO_EO_3]; |
---|
| 1013 | count = ppCount[SAO_EO_3]; |
---|
| 1014 | pOrg = pOrgStart; |
---|
| 1015 | pRec = pRecStart; |
---|
| 1016 | |
---|
| 1017 | posShift = stride - 1; |
---|
| 1018 | startX = (pbBorderAvail[SGU_L]) ? 0 : 1; |
---|
| 1019 | endX = (pbBorderAvail[SGU_R]) ? width : (width -1); |
---|
| 1020 | |
---|
| 1021 | //prepare 2nd line upper sign |
---|
| 1022 | pRec += stride; |
---|
| 1023 | for (x=startX-1; x< endX; x++) |
---|
| 1024 | { |
---|
| 1025 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x- posShift]); |
---|
| 1026 | } |
---|
| 1027 | |
---|
| 1028 | |
---|
| 1029 | //first line |
---|
| 1030 | pRec -= stride; |
---|
| 1031 | if(pbBorderAvail[SGU_T]) |
---|
| 1032 | { |
---|
| 1033 | for(x= startX; x< width -1; x++) |
---|
| 1034 | { |
---|
| 1035 | edgeType = xSign(pRec[x] - pRec[x- posShift]) -m_iUpBuff1[x-1] + 2; |
---|
| 1036 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1037 | count[m_auiEoTable[edgeType]] ++; |
---|
| 1038 | } |
---|
| 1039 | } |
---|
| 1040 | if(pbBorderAvail[SGU_TR]) |
---|
| 1041 | { |
---|
| 1042 | x= width-1; |
---|
| 1043 | edgeType = xSign(pRec[x] - pRec[x- posShift]) -m_iUpBuff1[x-1] + 2; |
---|
| 1044 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1045 | count[m_auiEoTable[edgeType]] ++; |
---|
| 1046 | } |
---|
| 1047 | pRec += stride; |
---|
| 1048 | pOrg += stride; |
---|
| 1049 | |
---|
| 1050 | //middle lines |
---|
| 1051 | for (y= 1; y< height-1; y++) |
---|
| 1052 | { |
---|
| 1053 | for(x= startX; x< endX; x++) |
---|
| 1054 | { |
---|
| 1055 | signDown1 = xSign(pRec[x] - pRec[x+ posShift]) ; |
---|
| 1056 | edgeType = signDown1 + m_iUpBuff1[x] + 2; |
---|
| 1057 | |
---|
| 1058 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1059 | count[m_auiEoTable[edgeType]] ++; |
---|
| 1060 | m_iUpBuff1[x-1] = -signDown1; |
---|
| 1061 | |
---|
| 1062 | } |
---|
| 1063 | m_iUpBuff1[endX-1] = xSign(pRec[endX-1 + stride] - pRec[endX]); |
---|
| 1064 | |
---|
| 1065 | pRec += stride; |
---|
| 1066 | pOrg += stride; |
---|
| 1067 | } |
---|
| 1068 | |
---|
| 1069 | //last line |
---|
| 1070 | if(pbBorderAvail[SGU_BL]) |
---|
| 1071 | { |
---|
| 1072 | x= 0; |
---|
| 1073 | edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2; |
---|
| 1074 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1075 | count[m_auiEoTable[edgeType]] ++; |
---|
| 1076 | |
---|
| 1077 | } |
---|
| 1078 | if(pbBorderAvail[SGU_B]) |
---|
| 1079 | { |
---|
| 1080 | for(x= 1; x< endX; x++) |
---|
| 1081 | { |
---|
| 1082 | edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2; |
---|
| 1083 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1084 | count[m_auiEoTable[edgeType]] ++; |
---|
| 1085 | } |
---|
| 1086 | } |
---|
| 1087 | } |
---|
| 1088 | |
---|
| 1089 | /** Calculate SAO statistics for current LCU |
---|
| 1090 | * \param iAddr, iPartIdx, iYCbCr |
---|
| 1091 | */ |
---|
| 1092 | Void TEncSampleAdaptiveOffset::calcSaoStatsCu(Int iAddr, Int iPartIdx, Int iYCbCr) |
---|
| 1093 | { |
---|
| 1094 | if(!m_bUseNIF) |
---|
| 1095 | { |
---|
| 1096 | calcSaoStatsCuOrg( iAddr, iPartIdx, iYCbCr); |
---|
| 1097 | } |
---|
| 1098 | else |
---|
| 1099 | { |
---|
| 1100 | Int64** ppStats = m_iOffsetOrg[iPartIdx]; |
---|
| 1101 | Int64** ppCount = m_iCount [iPartIdx]; |
---|
| 1102 | |
---|
| 1103 | //parameters |
---|
| 1104 | Int isChroma = (iYCbCr != 0)? 1:0; |
---|
| 1105 | Int stride = (iYCbCr != 0)?(m_pcPic->getCStride()):(m_pcPic->getStride()); |
---|
| 1106 | Pel* pPicOrg = getPicYuvAddr (m_pcPic->getPicYuvOrg(), iYCbCr); |
---|
| 1107 | Pel* pPicRec = getPicYuvAddr(m_pcYuvTmp, iYCbCr); |
---|
| 1108 | |
---|
| 1109 | std::vector<NDBFBlockInfo>& vFilterBlocks = *(m_pcPic->getCU(iAddr)->getNDBFilterBlocks()); |
---|
| 1110 | |
---|
| 1111 | //variables |
---|
| 1112 | UInt xPos, yPos, width, height; |
---|
| 1113 | Bool* pbBorderAvail; |
---|
| 1114 | UInt posOffset; |
---|
| 1115 | |
---|
| 1116 | for(Int i=0; i< vFilterBlocks.size(); i++) |
---|
| 1117 | { |
---|
| 1118 | xPos = vFilterBlocks[i].posX >> isChroma; |
---|
| 1119 | yPos = vFilterBlocks[i].posY >> isChroma; |
---|
| 1120 | width = vFilterBlocks[i].width >> isChroma; |
---|
| 1121 | height = vFilterBlocks[i].height >> isChroma; |
---|
| 1122 | pbBorderAvail = vFilterBlocks[i].isBorderAvailable; |
---|
| 1123 | |
---|
| 1124 | posOffset = (yPos* stride) + xPos; |
---|
| 1125 | |
---|
| 1126 | #if HHI_INTERVIEW_SKIP |
---|
| 1127 | if( !m_pcPic->getCU(iAddr)->getRenderable(0 )) |
---|
| 1128 | { |
---|
| 1129 | calcSaoStatsBlock(pPicRec+ posOffset, pPicOrg+ posOffset, stride, ppStats, ppCount,width, height, pbBorderAvail); |
---|
| 1130 | } |
---|
| 1131 | #else |
---|
| 1132 | calcSaoStatsBlock(pPicRec+ posOffset, pPicOrg+ posOffset, stride, ppStats, ppCount,width, height, pbBorderAvail); |
---|
| 1133 | #endif |
---|
| 1134 | } |
---|
| 1135 | } |
---|
| 1136 | |
---|
| 1137 | } |
---|
| 1138 | |
---|
| 1139 | /** Calculate SAO statistics for current LCU without non-crossing slice |
---|
| 1140 | * \param iAddr, iPartIdx, iYCbCr |
---|
| 1141 | */ |
---|
| 1142 | Void TEncSampleAdaptiveOffset::calcSaoStatsCuOrg(Int iAddr, Int iPartIdx, Int iYCbCr) |
---|
| 1143 | { |
---|
| 1144 | Int x,y; |
---|
| 1145 | TComDataCU *pTmpCu = m_pcPic->getCU(iAddr); |
---|
| 1146 | TComSPS *pTmpSPS = m_pcPic->getSlice(0)->getSPS(); |
---|
| 1147 | |
---|
| 1148 | Pel* pOrg; |
---|
| 1149 | Pel* pRec; |
---|
| 1150 | Int iStride; |
---|
| 1151 | Int iLcuWidth = pTmpSPS->getMaxCUHeight(); |
---|
| 1152 | Int iLcuHeight = pTmpSPS->getMaxCUWidth(); |
---|
| 1153 | UInt uiLPelX = pTmpCu->getCUPelX(); |
---|
| 1154 | UInt uiTPelY = pTmpCu->getCUPelY(); |
---|
| 1155 | UInt uiRPelX; |
---|
| 1156 | UInt uiBPelY; |
---|
| 1157 | Int64* iStats; |
---|
| 1158 | Int64* iCount; |
---|
| 1159 | Int iClassIdx; |
---|
| 1160 | Int iPicWidthTmp; |
---|
| 1161 | Int iPicHeightTmp; |
---|
| 1162 | Int iStartX; |
---|
| 1163 | Int iStartY; |
---|
| 1164 | Int iEndX; |
---|
| 1165 | Int iEndY; |
---|
| 1166 | |
---|
| 1167 | Int iIsChroma = (iYCbCr!=0)? 1:0; |
---|
| 1168 | #if SAO_UNIT_INTERLEAVING |
---|
| 1169 | Int numSkipLine = iIsChroma? 2:4; |
---|
| 1170 | if (m_saoInterleavingFlag == 0) |
---|
| 1171 | { |
---|
| 1172 | numSkipLine = 0; |
---|
| 1173 | } |
---|
| 1174 | #endif |
---|
| 1175 | |
---|
| 1176 | iPicWidthTmp = m_iPicWidth >> iIsChroma; |
---|
| 1177 | iPicHeightTmp = m_iPicHeight >> iIsChroma; |
---|
| 1178 | iLcuWidth = iLcuWidth >> iIsChroma; |
---|
| 1179 | iLcuHeight = iLcuHeight >> iIsChroma; |
---|
| 1180 | uiLPelX = uiLPelX >> iIsChroma; |
---|
| 1181 | uiTPelY = uiTPelY >> iIsChroma; |
---|
| 1182 | uiRPelX = uiLPelX + iLcuWidth ; |
---|
| 1183 | uiBPelY = uiTPelY + iLcuHeight ; |
---|
| 1184 | uiRPelX = uiRPelX > iPicWidthTmp ? iPicWidthTmp : uiRPelX; |
---|
| 1185 | uiBPelY = uiBPelY > iPicHeightTmp ? iPicHeightTmp : uiBPelY; |
---|
| 1186 | iLcuWidth = uiRPelX - uiLPelX; |
---|
| 1187 | iLcuHeight = uiBPelY - uiTPelY; |
---|
| 1188 | |
---|
| 1189 | iStride = (iYCbCr == 0)? m_pcPic->getStride(): m_pcPic->getCStride(); |
---|
| 1190 | |
---|
| 1191 | //if(iSaoType == BO_0 || iSaoType == BO_1) |
---|
| 1192 | #if HHI_INTERVIEW_SKIP |
---|
| 1193 | if( !m_pcPic->getCU(iAddr)->getRenderable(0) ) |
---|
| 1194 | #endif |
---|
| 1195 | { |
---|
| 1196 | #if SAO_UNIT_INTERLEAVING |
---|
| 1197 | iStats = m_iOffsetOrg[iPartIdx][SAO_BO]; |
---|
| 1198 | iCount = m_iCount [iPartIdx][SAO_BO]; |
---|
| 1199 | #else |
---|
| 1200 | iStats = m_iOffsetOrg[iPartIdx][SAO_BO_0]; |
---|
| 1201 | iCount = m_iCount [iPartIdx][SAO_BO_0]; |
---|
| 1202 | #endif |
---|
| 1203 | |
---|
| 1204 | pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr); |
---|
| 1205 | pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr); |
---|
| 1206 | |
---|
| 1207 | #if SAO_UNIT_INTERLEAVING |
---|
| 1208 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight : iLcuHeight-numSkipLine; |
---|
| 1209 | for (y=0; y<iEndY; y++) |
---|
| 1210 | #else |
---|
| 1211 | for (y=0; y<iLcuHeight; y++) |
---|
| 1212 | #endif |
---|
| 1213 | { |
---|
| 1214 | for (x=0; x<iLcuWidth; x++) |
---|
| 1215 | { |
---|
| 1216 | #if SAO_UNIT_INTERLEAVING |
---|
| 1217 | iClassIdx = m_lumaTableBo[pRec[x]]; |
---|
| 1218 | #else |
---|
| 1219 | iClassIdx = m_ppLumaTableBo0[pRec[x]]; |
---|
| 1220 | #endif |
---|
| 1221 | if (iClassIdx) |
---|
| 1222 | { |
---|
| 1223 | iStats[iClassIdx] += (pOrg[x] - pRec[x]); |
---|
| 1224 | iCount[iClassIdx] ++; |
---|
| 1225 | } |
---|
| 1226 | } |
---|
| 1227 | pOrg += iStride; |
---|
| 1228 | pRec += iStride; |
---|
| 1229 | } |
---|
| 1230 | |
---|
| 1231 | #if !SAO_UNIT_INTERLEAVING |
---|
| 1232 | iStats = m_iOffsetOrg[iPartIdx][SAO_BO_1]; |
---|
| 1233 | iCount = m_iCount [iPartIdx][SAO_BO_1]; |
---|
| 1234 | |
---|
| 1235 | pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr); |
---|
| 1236 | pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr); |
---|
| 1237 | |
---|
| 1238 | for (y=0; y<iLcuHeight; y++) |
---|
| 1239 | { |
---|
| 1240 | for (x=0; x<iLcuWidth; x++) |
---|
| 1241 | { |
---|
| 1242 | iClassIdx = m_ppLumaTableBo1[pRec[x]]; |
---|
| 1243 | if (iClassIdx) |
---|
| 1244 | { |
---|
| 1245 | iStats[iClassIdx] += (pOrg[x] - pRec[x]); |
---|
| 1246 | iCount[iClassIdx] ++; |
---|
| 1247 | } |
---|
| 1248 | } |
---|
| 1249 | pOrg += iStride; |
---|
| 1250 | pRec += iStride; |
---|
| 1251 | } |
---|
| 1252 | #endif |
---|
| 1253 | } |
---|
| 1254 | Int iSignLeft; |
---|
| 1255 | Int iSignRight; |
---|
| 1256 | Int iSignDown; |
---|
| 1257 | Int iSignDown1; |
---|
| 1258 | Int iSignDown2; |
---|
| 1259 | |
---|
| 1260 | UInt uiEdgeType; |
---|
| 1261 | |
---|
| 1262 | //if (iSaoType == EO_0 || iSaoType == EO_1 || iSaoType == EO_2 || iSaoType == EO_3) |
---|
| 1263 | #if HHI_INTERVIEW_SKIP |
---|
| 1264 | if( !m_pcPic->getCU(iAddr)->getRenderable(0) ) |
---|
| 1265 | #endif |
---|
| 1266 | { |
---|
| 1267 | //if (iSaoType == EO_0) |
---|
| 1268 | { |
---|
| 1269 | iStats = m_iOffsetOrg[iPartIdx][SAO_EO_0]; |
---|
| 1270 | iCount = m_iCount [iPartIdx][SAO_EO_0]; |
---|
| 1271 | |
---|
| 1272 | pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr); |
---|
| 1273 | pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr); |
---|
| 1274 | |
---|
| 1275 | iStartX = (uiLPelX == 0) ? 1 : 0; |
---|
| 1276 | iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth; |
---|
| 1277 | #if SAO_UNIT_INTERLEAVING |
---|
| 1278 | for (y=0; y<iLcuHeight-numSkipLine; y++) |
---|
| 1279 | #else |
---|
| 1280 | for (y=0; y<iLcuHeight; y++) |
---|
| 1281 | #endif |
---|
| 1282 | { |
---|
| 1283 | iSignLeft = xSign(pRec[iStartX] - pRec[iStartX-1]); |
---|
| 1284 | for (x=iStartX; x< iEndX; x++) |
---|
| 1285 | { |
---|
| 1286 | iSignRight = xSign(pRec[x] - pRec[x+1]); |
---|
| 1287 | uiEdgeType = iSignRight + iSignLeft + 2; |
---|
| 1288 | iSignLeft = -iSignRight; |
---|
| 1289 | |
---|
| 1290 | iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1291 | iCount[m_auiEoTable[uiEdgeType]] ++; |
---|
| 1292 | } |
---|
| 1293 | pOrg += iStride; |
---|
| 1294 | pRec += iStride; |
---|
| 1295 | } |
---|
| 1296 | } |
---|
| 1297 | |
---|
| 1298 | //if (iSaoType == EO_1) |
---|
| 1299 | { |
---|
| 1300 | iStats = m_iOffsetOrg[iPartIdx][SAO_EO_1]; |
---|
| 1301 | iCount = m_iCount [iPartIdx][SAO_EO_1]; |
---|
| 1302 | |
---|
| 1303 | pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr); |
---|
| 1304 | pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr); |
---|
| 1305 | |
---|
| 1306 | iStartY = (uiTPelY == 0) ? 1 : 0; |
---|
| 1307 | #if SAO_UNIT_INTERLEAVING |
---|
| 1308 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine; |
---|
| 1309 | #else |
---|
| 1310 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight; |
---|
| 1311 | #endif |
---|
| 1312 | if (uiTPelY == 0) |
---|
| 1313 | { |
---|
| 1314 | pOrg += iStride; |
---|
| 1315 | pRec += iStride; |
---|
| 1316 | } |
---|
| 1317 | |
---|
| 1318 | for (x=0; x< iLcuWidth; x++) |
---|
| 1319 | { |
---|
| 1320 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride]); |
---|
| 1321 | } |
---|
| 1322 | for (y=iStartY; y<iEndY; y++) |
---|
| 1323 | { |
---|
| 1324 | for (x=0; x<iLcuWidth; x++) |
---|
| 1325 | { |
---|
| 1326 | iSignDown = xSign(pRec[x] - pRec[x+iStride]); |
---|
| 1327 | uiEdgeType = iSignDown + m_iUpBuff1[x] + 2; |
---|
| 1328 | m_iUpBuff1[x] = -iSignDown; |
---|
| 1329 | |
---|
| 1330 | iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1331 | iCount[m_auiEoTable[uiEdgeType]] ++; |
---|
| 1332 | } |
---|
| 1333 | pOrg += iStride; |
---|
| 1334 | pRec += iStride; |
---|
| 1335 | } |
---|
| 1336 | } |
---|
| 1337 | //if (iSaoType == EO_2) |
---|
| 1338 | { |
---|
| 1339 | iStats = m_iOffsetOrg[iPartIdx][SAO_EO_2]; |
---|
| 1340 | iCount = m_iCount [iPartIdx][SAO_EO_2]; |
---|
| 1341 | |
---|
| 1342 | pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr); |
---|
| 1343 | pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr); |
---|
| 1344 | |
---|
| 1345 | iStartX = (uiLPelX == 0) ? 1 : 0; |
---|
| 1346 | iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth; |
---|
| 1347 | |
---|
| 1348 | iStartY = (uiTPelY == 0) ? 1 : 0; |
---|
| 1349 | #if SAO_UNIT_INTERLEAVING |
---|
| 1350 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine; |
---|
| 1351 | #else |
---|
| 1352 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight; |
---|
| 1353 | #endif |
---|
| 1354 | if (uiTPelY == 0) |
---|
| 1355 | { |
---|
| 1356 | pOrg += iStride; |
---|
| 1357 | pRec += iStride; |
---|
| 1358 | } |
---|
| 1359 | |
---|
| 1360 | for (x=iStartX; x<iEndX; x++) |
---|
| 1361 | { |
---|
| 1362 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride-1]); |
---|
| 1363 | } |
---|
| 1364 | for (y=iStartY; y<iEndY; y++) |
---|
| 1365 | { |
---|
| 1366 | iSignDown2 = xSign(pRec[iStride+iStartX] - pRec[iStartX-1]); |
---|
| 1367 | for (x=iStartX; x<iEndX; x++) |
---|
| 1368 | { |
---|
| 1369 | iSignDown1 = xSign(pRec[x] - pRec[x+iStride+1]) ; |
---|
| 1370 | uiEdgeType = iSignDown1 + m_iUpBuff1[x] + 2; |
---|
| 1371 | m_iUpBufft[x+1] = -iSignDown1; |
---|
| 1372 | iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1373 | iCount[m_auiEoTable[uiEdgeType]] ++; |
---|
| 1374 | } |
---|
| 1375 | m_iUpBufft[iStartX] = iSignDown2; |
---|
| 1376 | ipSwap = m_iUpBuff1; |
---|
| 1377 | m_iUpBuff1 = m_iUpBufft; |
---|
| 1378 | m_iUpBufft = ipSwap; |
---|
| 1379 | |
---|
| 1380 | pRec += iStride; |
---|
| 1381 | pOrg += iStride; |
---|
| 1382 | } |
---|
| 1383 | } |
---|
| 1384 | //if (iSaoType == EO_3 ) |
---|
| 1385 | { |
---|
| 1386 | iStats = m_iOffsetOrg[iPartIdx][SAO_EO_3]; |
---|
| 1387 | iCount = m_iCount [iPartIdx][SAO_EO_3]; |
---|
| 1388 | |
---|
| 1389 | pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr); |
---|
| 1390 | pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr); |
---|
| 1391 | |
---|
| 1392 | iStartX = (uiLPelX == 0) ? 1 : 0; |
---|
| 1393 | iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth; |
---|
| 1394 | |
---|
| 1395 | iStartY = (uiTPelY == 0) ? 1 : 0; |
---|
| 1396 | #if SAO_UNIT_INTERLEAVING |
---|
| 1397 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine; |
---|
| 1398 | #else |
---|
| 1399 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight; |
---|
| 1400 | #endif |
---|
| 1401 | if (iStartY == 1) |
---|
| 1402 | { |
---|
| 1403 | pOrg += iStride; |
---|
| 1404 | pRec += iStride; |
---|
| 1405 | } |
---|
| 1406 | |
---|
| 1407 | for (x=iStartX-1; x<iEndX; x++) |
---|
| 1408 | { |
---|
| 1409 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride+1]); |
---|
| 1410 | } |
---|
| 1411 | |
---|
| 1412 | for (y=iStartY; y<iEndY; y++) |
---|
| 1413 | { |
---|
| 1414 | for (x=iStartX; x<iEndX; x++) |
---|
| 1415 | { |
---|
| 1416 | iSignDown1 = xSign(pRec[x] - pRec[x+iStride-1]) ; |
---|
| 1417 | uiEdgeType = iSignDown1 + m_iUpBuff1[x] + 2; |
---|
| 1418 | m_iUpBuff1[x-1] = -iSignDown1; |
---|
| 1419 | iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1420 | iCount[m_auiEoTable[uiEdgeType]] ++; |
---|
| 1421 | } |
---|
| 1422 | m_iUpBuff1[iEndX-1] = xSign(pRec[iEndX-1 + iStride] - pRec[iEndX]); |
---|
| 1423 | |
---|
| 1424 | pRec += iStride; |
---|
| 1425 | pOrg += iStride; |
---|
| 1426 | } |
---|
| 1427 | } |
---|
| 1428 | } |
---|
| 1429 | } |
---|
| 1430 | |
---|
| 1431 | /** get SAO statistics |
---|
| 1432 | * \param *psQTPart, iYCbCr |
---|
| 1433 | */ |
---|
| 1434 | Void TEncSampleAdaptiveOffset::getSaoStats(SAOQTPart *psQTPart, Int iYCbCr) |
---|
| 1435 | { |
---|
| 1436 | Int iLevelIdx, iPartIdx, iTypeIdx, iClassIdx; |
---|
| 1437 | Int i; |
---|
| 1438 | Int iNumTotalType = MAX_NUM_SAO_TYPE; |
---|
| 1439 | Int LcuIdxX; |
---|
| 1440 | Int LcuIdxY; |
---|
| 1441 | Int iAddr; |
---|
| 1442 | Int iFrameWidthInCU = m_pcPic->getFrameWidthInCU(); |
---|
| 1443 | Int iDownPartIdx; |
---|
| 1444 | Int iPartStart; |
---|
| 1445 | Int iPartEnd; |
---|
| 1446 | SAOQTPart* pOnePart; |
---|
| 1447 | |
---|
| 1448 | if (m_uiMaxSplitLevel == 0) |
---|
| 1449 | { |
---|
| 1450 | iPartIdx = 0; |
---|
| 1451 | pOnePart = &(psQTPart[iPartIdx]); |
---|
| 1452 | for (LcuIdxY = pOnePart->StartCUY; LcuIdxY<= pOnePart->EndCUY; LcuIdxY++) |
---|
| 1453 | { |
---|
| 1454 | for (LcuIdxX = pOnePart->StartCUX; LcuIdxX<= pOnePart->EndCUX; LcuIdxX++) |
---|
| 1455 | { |
---|
| 1456 | iAddr = LcuIdxY*iFrameWidthInCU + LcuIdxX; |
---|
| 1457 | calcSaoStatsCu(iAddr, iPartIdx, iYCbCr); |
---|
| 1458 | } |
---|
| 1459 | } |
---|
| 1460 | } |
---|
| 1461 | else |
---|
| 1462 | { |
---|
| 1463 | for(iPartIdx=m_aiNumCulPartsLevel[m_uiMaxSplitLevel-1]; iPartIdx<m_aiNumCulPartsLevel[m_uiMaxSplitLevel]; iPartIdx++) |
---|
| 1464 | { |
---|
| 1465 | pOnePart = &(psQTPart[iPartIdx]); |
---|
| 1466 | for (LcuIdxY = pOnePart->StartCUY; LcuIdxY<= pOnePart->EndCUY; LcuIdxY++) |
---|
| 1467 | { |
---|
| 1468 | for (LcuIdxX = pOnePart->StartCUX; LcuIdxX<= pOnePart->EndCUX; LcuIdxX++) |
---|
| 1469 | { |
---|
| 1470 | iAddr = LcuIdxY*iFrameWidthInCU + LcuIdxX; |
---|
| 1471 | calcSaoStatsCu(iAddr, iPartIdx, iYCbCr); |
---|
| 1472 | } |
---|
| 1473 | } |
---|
| 1474 | } |
---|
| 1475 | for (iLevelIdx = m_uiMaxSplitLevel-1; iLevelIdx>=0; iLevelIdx-- ) |
---|
| 1476 | { |
---|
| 1477 | iPartStart = (iLevelIdx > 0) ? m_aiNumCulPartsLevel[iLevelIdx-1] : 0; |
---|
| 1478 | iPartEnd = m_aiNumCulPartsLevel[iLevelIdx]; |
---|
| 1479 | |
---|
| 1480 | for(iPartIdx = iPartStart; iPartIdx < iPartEnd; iPartIdx++) |
---|
| 1481 | { |
---|
| 1482 | pOnePart = &(psQTPart[iPartIdx]); |
---|
| 1483 | for (i=0; i< NUM_DOWN_PART; i++) |
---|
| 1484 | { |
---|
| 1485 | iDownPartIdx = pOnePart->DownPartsIdx[i]; |
---|
| 1486 | for (iTypeIdx=0; iTypeIdx<iNumTotalType; iTypeIdx++) |
---|
| 1487 | { |
---|
| 1488 | #if SAO_UNIT_INTERLEAVING |
---|
| 1489 | for (iClassIdx=0; iClassIdx< (iTypeIdx < SAO_BO ? m_iNumClass[iTypeIdx] : SAO_MAX_BO_CLASSES) +1; iClassIdx++) |
---|
| 1490 | #else |
---|
| 1491 | for (iClassIdx=0; iClassIdx<m_iNumClass[iTypeIdx]+1; iClassIdx++) |
---|
| 1492 | #endif |
---|
| 1493 | { |
---|
| 1494 | m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx] += m_iOffsetOrg[iDownPartIdx][iTypeIdx][iClassIdx]; |
---|
| 1495 | m_iCount [iPartIdx][iTypeIdx][iClassIdx] += m_iCount [iDownPartIdx][iTypeIdx][iClassIdx]; |
---|
| 1496 | } |
---|
| 1497 | } |
---|
| 1498 | } |
---|
| 1499 | } |
---|
| 1500 | } |
---|
| 1501 | } |
---|
| 1502 | } |
---|
| 1503 | |
---|
| 1504 | /** reset offset statistics |
---|
| 1505 | * \param |
---|
| 1506 | */ |
---|
| 1507 | Void TEncSampleAdaptiveOffset::resetStats() |
---|
| 1508 | { |
---|
| 1509 | for (Int i=0;i<m_iNumTotalParts;i++) |
---|
| 1510 | { |
---|
| 1511 | m_dCostPartBest[i] = MAX_DOUBLE; |
---|
| 1512 | m_iTypePartBest[i] = -1; |
---|
| 1513 | m_iDistOrg[i] = 0; |
---|
| 1514 | for (Int j=0;j<MAX_NUM_SAO_TYPE;j++) |
---|
| 1515 | { |
---|
| 1516 | m_iDist[i][j] = 0; |
---|
| 1517 | m_iRate[i][j] = 0; |
---|
| 1518 | m_dCost[i][j] = 0; |
---|
| 1519 | for (Int k=0;k<MAX_NUM_SAO_CLASS;k++) |
---|
| 1520 | { |
---|
| 1521 | m_iCount [i][j][k] = 0; |
---|
| 1522 | m_iOffset[i][j][k] = 0; |
---|
| 1523 | m_iOffsetOrg[i][j][k] = 0; |
---|
| 1524 | } |
---|
| 1525 | } |
---|
| 1526 | } |
---|
| 1527 | } |
---|
| 1528 | |
---|
| 1529 | #if SAO_CHROMA_LAMBDA |
---|
| 1530 | /** Sample adaptive offset process |
---|
| 1531 | * \param pcSaoParam |
---|
| 1532 | * \param dLambdaLuma |
---|
| 1533 | * \param dLambdaChroma |
---|
| 1534 | */ |
---|
| 1535 | Void TEncSampleAdaptiveOffset::SAOProcess(SAOParam *pcSaoParam, Double dLambdaLuma, Double dLambdaChroma) |
---|
| 1536 | #else |
---|
| 1537 | /** Sample adaptive offset process |
---|
| 1538 | * \param dLambda |
---|
| 1539 | */ |
---|
| 1540 | Void TEncSampleAdaptiveOffset::SAOProcess(SAOParam *pcSaoParam, Double dLambda) |
---|
| 1541 | #endif |
---|
| 1542 | { |
---|
| 1543 | |
---|
| 1544 | m_eSliceType = m_pcPic->getSlice(0)->getSliceType(); |
---|
| 1545 | m_iPicNalReferenceIdc = (m_pcPic->getSlice(0)->isReferenced() ? 1 :0); |
---|
| 1546 | |
---|
| 1547 | #if SAO_CHROMA_LAMBDA |
---|
| 1548 | m_dLambdaLuma = dLambdaLuma; |
---|
| 1549 | m_dLambdaChroma = dLambdaChroma; |
---|
| 1550 | #else |
---|
| 1551 | m_dLambdaLuma = dLambda; |
---|
| 1552 | m_dLambdaChroma = dLambda; |
---|
| 1553 | #endif |
---|
| 1554 | |
---|
| 1555 | if(m_bUseNIF) |
---|
| 1556 | { |
---|
| 1557 | m_pcPic->getPicYuvRec()->copyToPic(m_pcYuvTmp); |
---|
| 1558 | } |
---|
| 1559 | |
---|
| 1560 | #if FULL_NBIT |
---|
| 1561 | m_uiSaoBitIncrease = g_uiBitDepth + (g_uiBitDepth-8) - min((Int)(g_uiBitDepth + (g_uiBitDepth-8)), 10); |
---|
| 1562 | #else |
---|
| 1563 | m_uiSaoBitIncrease = g_uiBitDepth + g_uiBitIncrement - min((Int)(g_uiBitDepth + g_uiBitIncrement), 10); |
---|
| 1564 | #endif |
---|
| 1565 | |
---|
| 1566 | const Int iOffsetBitRange8Bit = 4; |
---|
| 1567 | Int iOffsetBitDepth = g_uiBitDepth + g_uiBitIncrement - m_uiSaoBitIncrease; |
---|
| 1568 | Int iOffsetBitRange = iOffsetBitRange8Bit + (iOffsetBitDepth - 8); |
---|
| 1569 | m_iOffsetTh = 1 << (iOffsetBitRange - 1); |
---|
| 1570 | resetSAOParam(pcSaoParam); |
---|
| 1571 | resetStats(); |
---|
| 1572 | |
---|
| 1573 | Int iY = 0; |
---|
| 1574 | Double dCostFinal = 0; |
---|
| 1575 | |
---|
| 1576 | #if !SAO_UNIT_INTERLEAVING |
---|
| 1577 | Int iCb = 1; |
---|
| 1578 | Int iCr = 2; |
---|
| 1579 | Double dCostFinalCb = 0; |
---|
| 1580 | Double dCostFinalCr = 0; |
---|
| 1581 | #endif |
---|
| 1582 | |
---|
| 1583 | #if SAO_UNIT_INTERLEAVING |
---|
| 1584 | if ( m_saoInterleavingFlag) |
---|
| 1585 | { |
---|
| 1586 | rdoSaoUnitAll(pcSaoParam, dLambdaLuma, dLambdaChroma); |
---|
| 1587 | } |
---|
| 1588 | else |
---|
| 1589 | { |
---|
| 1590 | pcSaoParam->bSaoFlag[0] = 1; |
---|
| 1591 | pcSaoParam->bSaoFlag[1] = 0; |
---|
| 1592 | pcSaoParam->bSaoFlag[2] = 0; |
---|
| 1593 | for (Int compIdx=0;compIdx<3;compIdx++) |
---|
| 1594 | { |
---|
| 1595 | if (pcSaoParam->bSaoFlag[iY]) |
---|
| 1596 | { |
---|
| 1597 | dCostFinal = 0; |
---|
| 1598 | Double lambdaRdo = (compIdx==0 ? dLambdaLuma: dLambdaChroma); |
---|
| 1599 | resetStats(); |
---|
| 1600 | getSaoStats(pcSaoParam->psSaoPart[compIdx], compIdx); |
---|
| 1601 | runQuadTreeDecision(pcSaoParam->psSaoPart[compIdx], 0, dCostFinal, m_uiMaxSplitLevel, lambdaRdo); |
---|
| 1602 | pcSaoParam->bSaoFlag[compIdx] = dCostFinal < 0 ? 1:0; |
---|
| 1603 | if(pcSaoParam->bSaoFlag[compIdx]) |
---|
| 1604 | { |
---|
| 1605 | convertQT2SaoUnit(pcSaoParam, 0, compIdx); |
---|
| 1606 | assignSaoUnitSyntax(pcSaoParam->saoLcuParam[compIdx], pcSaoParam->psSaoPart[compIdx], pcSaoParam->oneUnitFlag[compIdx], compIdx); |
---|
| 1607 | } |
---|
| 1608 | } |
---|
| 1609 | } |
---|
| 1610 | } |
---|
| 1611 | for (Int compIdx=0;compIdx<3;compIdx++) |
---|
| 1612 | { |
---|
| 1613 | if (pcSaoParam->bSaoFlag[compIdx]) |
---|
| 1614 | { |
---|
| 1615 | processSaoUnitAll( pcSaoParam->saoLcuParam[compIdx], pcSaoParam->oneUnitFlag[compIdx], compIdx); |
---|
| 1616 | } |
---|
| 1617 | } |
---|
| 1618 | #else |
---|
| 1619 | getSaoStats(pcSaoParam->psSaoPart[iY], iY); |
---|
| 1620 | runQuadTreeDecision(pcSaoParam->psSaoPart[iY], 0, dCostFinal, m_uiMaxSplitLevel, m_dLambdaLuma); |
---|
| 1621 | pcSaoParam->bSaoFlag[iY] = dCostFinal < m_iDistOrg[0] ? 1:0; |
---|
| 1622 | if(pcSaoParam->bSaoFlag[iY]) |
---|
| 1623 | { |
---|
| 1624 | processSaoQuadTree(pcSaoParam->psSaoPart[iY], 0, 0); |
---|
| 1625 | |
---|
| 1626 | resetStats(); |
---|
| 1627 | getSaoStats(pcSaoParam->psSaoPart[iCb], iCb); |
---|
| 1628 | runQuadTreeDecision(pcSaoParam->psSaoPart[iCb], 0, dCostFinalCb, m_uiMaxSplitLevel, m_dLambdaChroma); |
---|
| 1629 | pcSaoParam->bSaoFlag[iCb] = dCostFinalCb < 0 ? 1:0; |
---|
| 1630 | if (pcSaoParam->bSaoFlag[iCb]) |
---|
| 1631 | { |
---|
| 1632 | processSaoQuadTree(pcSaoParam->psSaoPart[iCb], 0, iCb); |
---|
| 1633 | } |
---|
| 1634 | |
---|
| 1635 | resetStats(); |
---|
| 1636 | getSaoStats(pcSaoParam->psSaoPart[iCr], iCr); |
---|
| 1637 | runQuadTreeDecision(pcSaoParam->psSaoPart[iCr], 0, dCostFinalCr, m_uiMaxSplitLevel, m_dLambdaChroma); |
---|
| 1638 | pcSaoParam->bSaoFlag[iCr] = dCostFinalCr < 0 ? 1:0; |
---|
| 1639 | if (pcSaoParam->bSaoFlag[iCr]) |
---|
| 1640 | { |
---|
| 1641 | processSaoQuadTree(pcSaoParam->psSaoPart[iCr], 0, iCr); |
---|
| 1642 | } |
---|
| 1643 | } |
---|
| 1644 | #endif |
---|
| 1645 | } |
---|
| 1646 | #if SAO_UNIT_INTERLEAVING |
---|
| 1647 | /** Check merge SAO unit |
---|
| 1648 | * \param saoUnitCurr current SAO unit |
---|
| 1649 | * \param saoUnitCheck SAO unit tobe check |
---|
| 1650 | * \param dir direction |
---|
| 1651 | */ |
---|
| 1652 | Void TEncSampleAdaptiveOffset::checkMerge(SaoLcuParam * saoUnitCurr, SaoLcuParam * saoUnitCheck, Int dir) |
---|
| 1653 | { |
---|
| 1654 | Int i ; |
---|
| 1655 | Int countDiff = 0; |
---|
| 1656 | if (saoUnitCurr->partIdx != saoUnitCheck->partIdx) |
---|
| 1657 | { |
---|
| 1658 | if (saoUnitCurr->typeIdx !=-1) |
---|
| 1659 | { |
---|
| 1660 | if (saoUnitCurr->typeIdx == saoUnitCheck->typeIdx) |
---|
| 1661 | { |
---|
| 1662 | for (i=0;i<saoUnitCurr->length;i++) |
---|
| 1663 | { |
---|
| 1664 | countDiff += (saoUnitCurr->offset[i] != saoUnitCheck->offset[i]); |
---|
| 1665 | } |
---|
| 1666 | countDiff += (saoUnitCurr->bandPosition != saoUnitCheck->bandPosition); |
---|
| 1667 | if (countDiff ==0) |
---|
| 1668 | { |
---|
| 1669 | saoUnitCurr->partIdx = saoUnitCheck->partIdx; |
---|
| 1670 | if (dir == 1) |
---|
| 1671 | { |
---|
| 1672 | saoUnitCurr->mergeUpFlag = 1; |
---|
| 1673 | saoUnitCurr->mergeLeftFlag = 0; |
---|
| 1674 | } |
---|
| 1675 | else |
---|
| 1676 | { |
---|
| 1677 | saoUnitCurr->mergeUpFlag = 0; |
---|
| 1678 | saoUnitCurr->mergeLeftFlag = 1; |
---|
| 1679 | } |
---|
| 1680 | } |
---|
| 1681 | } |
---|
| 1682 | } |
---|
| 1683 | else |
---|
| 1684 | { |
---|
| 1685 | if (saoUnitCurr->typeIdx == saoUnitCheck->typeIdx) |
---|
| 1686 | { |
---|
| 1687 | saoUnitCurr->partIdx = saoUnitCheck->partIdx; |
---|
| 1688 | if (dir == 1) |
---|
| 1689 | { |
---|
| 1690 | saoUnitCurr->mergeUpFlag = 1; |
---|
| 1691 | saoUnitCurr->mergeLeftFlag = 0; |
---|
| 1692 | } |
---|
| 1693 | else |
---|
| 1694 | { |
---|
| 1695 | saoUnitCurr->mergeUpFlag = 0; |
---|
| 1696 | saoUnitCurr->mergeLeftFlag = 1; |
---|
| 1697 | } |
---|
| 1698 | } |
---|
| 1699 | } |
---|
| 1700 | } |
---|
| 1701 | } |
---|
| 1702 | /** Assign SAO unit syntax from picture-based algorithm |
---|
| 1703 | * \param saoLcuParam SAO LCU parameters |
---|
| 1704 | * \param saoPart SAO part |
---|
| 1705 | * \param oneUnitFlag SAO one unit flag |
---|
| 1706 | * \param iYCbCr color component Index |
---|
| 1707 | */ |
---|
| 1708 | Void TEncSampleAdaptiveOffset::assignSaoUnitSyntax(SaoLcuParam* saoLcuParam, SAOQTPart* saoPart, Bool &oneUnitFlag, Int yCbCr) |
---|
| 1709 | { |
---|
| 1710 | if (saoPart->bSplit == 0) |
---|
| 1711 | { |
---|
| 1712 | oneUnitFlag = 1; |
---|
| 1713 | } |
---|
| 1714 | else |
---|
| 1715 | { |
---|
| 1716 | Int i,j, addr, addrUp, addrLeft, idx, idxUp, idxLeft, idxCount; |
---|
| 1717 | Int run; |
---|
| 1718 | Int runPartBeginAddr=0; |
---|
| 1719 | Int runPart; |
---|
| 1720 | Int runPartPrevious; |
---|
| 1721 | |
---|
| 1722 | oneUnitFlag = 0; |
---|
| 1723 | |
---|
| 1724 | idxCount = -1; |
---|
| 1725 | saoLcuParam[0].mergeUpFlag = 0; |
---|
| 1726 | saoLcuParam[0].mergeLeftFlag = 0; |
---|
| 1727 | |
---|
| 1728 | for (j=0;j<m_iNumCuInHeight;j++) |
---|
| 1729 | { |
---|
| 1730 | run = 0; |
---|
| 1731 | runPartPrevious = -1; |
---|
| 1732 | for (i=0;i<m_iNumCuInWidth;i++) |
---|
| 1733 | { |
---|
| 1734 | addr = i + j*m_iNumCuInWidth; |
---|
| 1735 | addrLeft = (addr%m_iNumCuInWidth == 0) ? -1 : addr - 1; |
---|
| 1736 | addrUp = (addr<m_iNumCuInWidth) ? -1 : addr - m_iNumCuInWidth; |
---|
| 1737 | idx = saoLcuParam[addr].partIdxTmp; |
---|
| 1738 | idxLeft = (addrLeft == -1) ? -1 : saoLcuParam[addrLeft].partIdxTmp; |
---|
| 1739 | idxUp = (addrUp == -1) ? -1 : saoLcuParam[addrUp].partIdxTmp; |
---|
| 1740 | |
---|
| 1741 | if(idx!=idxLeft && idx!=idxUp) |
---|
| 1742 | { |
---|
| 1743 | saoLcuParam[addr].mergeUpFlag = 0; idxCount++; |
---|
| 1744 | saoLcuParam[addr].mergeLeftFlag = 0; |
---|
| 1745 | saoLcuParam[addr].partIdx = idxCount; |
---|
| 1746 | } |
---|
| 1747 | else if (idx==idxLeft) |
---|
| 1748 | { |
---|
| 1749 | saoLcuParam[addr].mergeUpFlag = 1; |
---|
| 1750 | saoLcuParam[addr].mergeLeftFlag = 1; |
---|
| 1751 | saoLcuParam[addr].partIdx = saoLcuParam[addrLeft].partIdx; |
---|
| 1752 | } |
---|
| 1753 | else if (idx==idxUp) |
---|
| 1754 | { |
---|
| 1755 | saoLcuParam[addr].mergeUpFlag = 1; |
---|
| 1756 | saoLcuParam[addr].mergeLeftFlag = 0; |
---|
| 1757 | saoLcuParam[addr].partIdx = saoLcuParam[addrUp].partIdx; |
---|
| 1758 | } |
---|
| 1759 | if (addrUp != -1) |
---|
| 1760 | { |
---|
| 1761 | checkMerge(&saoLcuParam[addr], &saoLcuParam[addrUp], 1); |
---|
| 1762 | } |
---|
| 1763 | if (addrLeft != -1) |
---|
| 1764 | { |
---|
| 1765 | checkMerge(&saoLcuParam[addr], &saoLcuParam[addrLeft], 0); |
---|
| 1766 | } |
---|
| 1767 | runPart = saoLcuParam[addr].partIdx; |
---|
| 1768 | if (runPart == runPartPrevious) |
---|
| 1769 | { |
---|
| 1770 | run ++; |
---|
| 1771 | saoLcuParam[addr].run = -1; |
---|
| 1772 | saoLcuParam[runPartBeginAddr].run = run; |
---|
| 1773 | } |
---|
| 1774 | else |
---|
| 1775 | { |
---|
| 1776 | runPartBeginAddr = addr; |
---|
| 1777 | run = 0; |
---|
| 1778 | saoLcuParam[addr].run = run; |
---|
| 1779 | } |
---|
| 1780 | runPartPrevious = runPart; |
---|
| 1781 | } |
---|
| 1782 | } |
---|
| 1783 | |
---|
| 1784 | for (j=0;j<m_iNumCuInHeight;j++) |
---|
| 1785 | { |
---|
| 1786 | for (i=0;i<m_iNumCuInWidth;i++) |
---|
| 1787 | { |
---|
| 1788 | addr = i + j*m_iNumCuInWidth; |
---|
| 1789 | addrLeft = (addr%m_iNumCuInWidth == 0) ? -1 : addr - 1; |
---|
| 1790 | addrUp = (addr<m_iNumCuInWidth) ? -1 : addr - m_iNumCuInWidth; |
---|
| 1791 | |
---|
| 1792 | if (saoLcuParam[addr].run == -1) |
---|
| 1793 | { |
---|
| 1794 | if (addrLeft != -1) |
---|
| 1795 | { |
---|
| 1796 | saoLcuParam[addr].run = saoLcuParam[addrLeft].run-1; |
---|
| 1797 | } |
---|
| 1798 | } |
---|
| 1799 | if (addrUp>=0) |
---|
| 1800 | { |
---|
| 1801 | saoLcuParam[addr].runDiff = saoLcuParam[addr].run - saoLcuParam[addrUp].run; |
---|
| 1802 | } |
---|
| 1803 | else |
---|
| 1804 | { |
---|
| 1805 | saoLcuParam[addr].runDiff = saoLcuParam[addr].run ; |
---|
| 1806 | } |
---|
| 1807 | } |
---|
| 1808 | } |
---|
| 1809 | } |
---|
| 1810 | } |
---|
| 1811 | /** rate distortion optimization of all SAO units |
---|
| 1812 | * \param saoParam SAO parameters |
---|
| 1813 | * \param lambda |
---|
| 1814 | * \param lambdaChroma |
---|
| 1815 | */ |
---|
| 1816 | Void TEncSampleAdaptiveOffset::rdoSaoUnitAll(SAOParam *saoParam, Double lambda, Double lambdaChroma) |
---|
| 1817 | { |
---|
| 1818 | |
---|
| 1819 | Int idxY; |
---|
| 1820 | Int idxX; |
---|
| 1821 | Int frameHeightInCU = saoParam->numCuInHeight; |
---|
| 1822 | Int frameWidthInCU = saoParam->numCuInWidth; |
---|
| 1823 | Int j, k; |
---|
| 1824 | Int addr = 0; |
---|
| 1825 | Int addrUp = -1; |
---|
| 1826 | Int addrLeft = -1; |
---|
| 1827 | Int compIdx = 0; |
---|
| 1828 | Double lambdaComp; |
---|
| 1829 | |
---|
| 1830 | saoParam->bSaoFlag[0] = true; |
---|
| 1831 | saoParam->bSaoFlag[1] = true; |
---|
| 1832 | saoParam->bSaoFlag[2] = true; |
---|
| 1833 | saoParam->oneUnitFlag[0] = false; |
---|
| 1834 | saoParam->oneUnitFlag[1] = false; |
---|
| 1835 | saoParam->oneUnitFlag[2] = false; |
---|
| 1836 | |
---|
| 1837 | |
---|
| 1838 | for (idxY = 0; idxY< frameHeightInCU; idxY++) |
---|
| 1839 | { |
---|
| 1840 | for (idxX = 0; idxX< frameWidthInCU; idxX++) |
---|
| 1841 | { |
---|
| 1842 | addr = idxX + frameWidthInCU*idxY; |
---|
| 1843 | addrUp = addr < frameWidthInCU ? -1:idxX + frameWidthInCU*(idxY-1); |
---|
| 1844 | addrLeft = idxX == 0 ? -1:idxX-1 + frameWidthInCU*idxY; |
---|
| 1845 | // reset stats Y, Cb, Cr |
---|
| 1846 | for ( compIdx=0;compIdx<3;compIdx++) |
---|
| 1847 | { |
---|
| 1848 | for ( j=0;j<MAX_NUM_SAO_TYPE;j++) |
---|
| 1849 | { |
---|
| 1850 | for ( k=0;k< MAX_NUM_SAO_CLASS;k++) |
---|
| 1851 | { |
---|
| 1852 | m_iCount [compIdx][j][k] = 0; |
---|
| 1853 | m_iOffset [compIdx][j][k] = 0; |
---|
| 1854 | m_iOffsetOrg[compIdx][j][k] = 0; |
---|
| 1855 | } |
---|
| 1856 | } |
---|
| 1857 | saoParam->saoLcuParam[compIdx][addr].typeIdx = -1; |
---|
| 1858 | saoParam->saoLcuParam[compIdx][addr].mergeUpFlag = 0; |
---|
| 1859 | saoParam->saoLcuParam[compIdx][addr].run = 0; |
---|
| 1860 | saoParam->saoLcuParam[compIdx][addr].runDiff = 0; |
---|
| 1861 | saoParam->saoLcuParam[compIdx][addr].mergeLeftFlag = 0; |
---|
| 1862 | saoParam->saoLcuParam[compIdx][addr].bandPosition = 0; |
---|
| 1863 | lambdaComp = compIdx==0 ? lambda : lambdaChroma; |
---|
| 1864 | calcSaoStatsCu(addr, compIdx, compIdx); |
---|
| 1865 | rdoSaoUnit (saoParam, addr, addrUp, addrLeft, compIdx, lambdaComp); |
---|
| 1866 | #if !REMOVE_SAO_LCU_ENC_CONSTRAINTS_3 |
---|
| 1867 | if (compIdx!=0) |
---|
| 1868 | { |
---|
| 1869 | if ( saoParam->saoLcuParam[compIdx][0].typeIdx == -1 ) |
---|
| 1870 | { |
---|
| 1871 | saoParam->bSaoFlag[compIdx] = false; |
---|
| 1872 | } |
---|
| 1873 | } |
---|
| 1874 | #endif |
---|
| 1875 | } |
---|
| 1876 | } |
---|
| 1877 | } |
---|
| 1878 | |
---|
| 1879 | } |
---|
| 1880 | /** rate distortion optimization of SAO unit |
---|
| 1881 | * \param saoParam SAO parameters |
---|
| 1882 | * \param addr address |
---|
| 1883 | * \param addrUp above address |
---|
| 1884 | * \param addrLeft left address |
---|
| 1885 | * \param yCbCr color component index |
---|
| 1886 | * \param lambda |
---|
| 1887 | */ |
---|
| 1888 | Void TEncSampleAdaptiveOffset::rdoSaoUnit(SAOParam *saoParam, Int addr, Int addrUp, Int addrLeft, Int yCbCr, Double lambda) |
---|
| 1889 | { |
---|
| 1890 | Int typeIdx; |
---|
| 1891 | |
---|
| 1892 | Int64 estDist; |
---|
| 1893 | Int64 offsetOrg; |
---|
| 1894 | Int64 offset; |
---|
| 1895 | Int64 count; |
---|
| 1896 | Int classIdx; |
---|
| 1897 | Int shift = g_uiBitIncrement << 1; |
---|
| 1898 | // Double dAreaWeight = 0; |
---|
| 1899 | Double complexityCost = 0; |
---|
| 1900 | SaoLcuParam* saoLcuParam = NULL; |
---|
| 1901 | SaoLcuParam* saoLcuParamNeighbor = NULL; |
---|
| 1902 | Int merge_iOffset [33]; |
---|
| 1903 | Int64 merge_iDist; |
---|
| 1904 | Int merge_iRate; |
---|
| 1905 | Double merge_dCost; |
---|
| 1906 | Int offsetTh = m_iOffsetTh; |
---|
| 1907 | |
---|
| 1908 | saoLcuParam = &(saoParam->saoLcuParam[yCbCr][addr]); |
---|
| 1909 | |
---|
| 1910 | saoLcuParam->mergeUpFlag = 0; |
---|
| 1911 | saoLcuParam->mergeLeftFlag = 0; |
---|
| 1912 | saoLcuParam->run = 0; |
---|
| 1913 | saoLcuParam->runDiff= 0; |
---|
| 1914 | |
---|
| 1915 | |
---|
| 1916 | m_iTypePartBest[yCbCr] = -1; |
---|
| 1917 | m_dCostPartBest[yCbCr] = 0; |
---|
| 1918 | m_iDistOrg[yCbCr] = 0; |
---|
| 1919 | |
---|
| 1920 | Double bestRDCostTableBo = MAX_DOUBLE; |
---|
| 1921 | Int bestClassTableBo = 0; |
---|
| 1922 | Int currentDistortionTableBo[MAX_NUM_SAO_CLASS]; |
---|
| 1923 | Double currentRdCostTableBo[MAX_NUM_SAO_CLASS]; |
---|
| 1924 | Int bestClassTableBoMerge = 0; |
---|
| 1925 | |
---|
| 1926 | #if HHI_INTERVIEW_SKIP |
---|
| 1927 | Bool bRenderable = m_pcPic->getCU(addr)->getRenderable(0) ; |
---|
| 1928 | #endif |
---|
| 1929 | for (typeIdx=-1; typeIdx<MAX_NUM_SAO_TYPE; typeIdx++) |
---|
| 1930 | { |
---|
| 1931 | m_pcEntropyCoder->resetEntropy(); |
---|
| 1932 | m_pcEntropyCoder->resetBits(); |
---|
| 1933 | |
---|
| 1934 | if (m_saoInterleavingFlag) |
---|
| 1935 | { |
---|
| 1936 | #if !REMOVE_SAO_LCU_ENC_CONSTRAINTS_1 |
---|
| 1937 | if(yCbCr>0 && typeIdx>3 ) |
---|
| 1938 | { |
---|
| 1939 | continue; |
---|
| 1940 | } |
---|
| 1941 | #endif |
---|
| 1942 | #if !REMOVE_SAO_LCU_ENC_CONSTRAINTS_2 |
---|
| 1943 | if (yCbCr>0 ) |
---|
| 1944 | { |
---|
| 1945 | offsetTh = 2<<g_uiBitIncrement; |
---|
| 1946 | } |
---|
| 1947 | else |
---|
| 1948 | #endif |
---|
| 1949 | { |
---|
| 1950 | offsetTh = m_iOffsetTh; |
---|
| 1951 | } |
---|
| 1952 | } |
---|
| 1953 | |
---|
| 1954 | estDist = 0; |
---|
| 1955 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoTypeIdx(typeIdx+1); |
---|
| 1956 | if (typeIdx>=0) |
---|
| 1957 | { |
---|
| 1958 | |
---|
| 1959 | for(classIdx=1; classIdx < ( (typeIdx < SAO_BO) ? m_iNumClass[typeIdx]+1 : SAO_MAX_BO_CLASSES+1); classIdx++) |
---|
| 1960 | { |
---|
| 1961 | if( typeIdx == SAO_BO) |
---|
| 1962 | { |
---|
| 1963 | currentDistortionTableBo[classIdx-1] = 0; |
---|
| 1964 | currentRdCostTableBo[classIdx-1] = lambda; |
---|
| 1965 | } |
---|
| 1966 | #if HHI_INTERVIEW_SKIP |
---|
| 1967 | if(m_iCount [yCbCr][typeIdx][classIdx] && !bRenderable) |
---|
| 1968 | #else |
---|
| 1969 | if(m_iCount [yCbCr][typeIdx][classIdx]) |
---|
| 1970 | #endif |
---|
| 1971 | { |
---|
| 1972 | m_iOffset[yCbCr][typeIdx][classIdx] = (Int64) xRoundIbdi((Double)(m_iOffsetOrg[yCbCr][typeIdx][classIdx]<<g_uiBitIncrement) / (Double)(m_iCount [yCbCr][typeIdx][classIdx]<<m_uiSaoBitIncrease)); |
---|
| 1973 | m_iOffset[yCbCr][typeIdx][classIdx] = Clip3(-offsetTh, offsetTh, (Int)m_iOffset[yCbCr][typeIdx][classIdx]); |
---|
| 1974 | if (typeIdx < 4) |
---|
| 1975 | { |
---|
| 1976 | if ( m_iOffset[yCbCr][typeIdx][classIdx]<0 && classIdx<3 ) |
---|
| 1977 | { |
---|
| 1978 | m_iOffset[yCbCr][typeIdx][classIdx] = 0; |
---|
| 1979 | } |
---|
| 1980 | if ( m_iOffset[yCbCr][typeIdx][classIdx]>0 && classIdx>=3) |
---|
| 1981 | { |
---|
| 1982 | m_iOffset[yCbCr][typeIdx][classIdx] = 0; |
---|
| 1983 | } |
---|
| 1984 | } |
---|
| 1985 | { |
---|
| 1986 | //Clean up, best_q_offset. |
---|
| 1987 | Int64 iIterOffset, iTempOffset; |
---|
| 1988 | Int64 iTempDist, iTempRate; |
---|
| 1989 | Double dTempCost, dTempMinCost; |
---|
| 1990 | UInt uiLength, uiTemp; |
---|
| 1991 | |
---|
| 1992 | iIterOffset = m_iOffset[yCbCr][typeIdx][classIdx]; |
---|
| 1993 | m_iOffset[yCbCr][typeIdx][classIdx] = 0; |
---|
| 1994 | dTempMinCost = lambda; // Assuming sending quantized value 0 results in zero offset and sending the value zero needs 1 bit. entropy coder can be used to measure the exact rate here. |
---|
| 1995 | |
---|
| 1996 | while (iIterOffset != 0) |
---|
| 1997 | { |
---|
| 1998 | // Calculate the bits required for signalling the offset |
---|
| 1999 | uiLength = 1; |
---|
| 2000 | uiTemp = (UInt)((iIterOffset <= 0) ? ( (-iIterOffset<<1) + 1 ) : (iIterOffset<<1)); |
---|
| 2001 | while( 1 != uiTemp ) |
---|
| 2002 | { |
---|
| 2003 | uiTemp >>= 1; |
---|
| 2004 | uiLength += 2; |
---|
| 2005 | } |
---|
| 2006 | iTempRate = (uiLength >> 1) + ((uiLength+1) >> 1); |
---|
| 2007 | |
---|
| 2008 | // Do the dequntization before distorion calculation |
---|
| 2009 | iTempOffset = iIterOffset << m_uiSaoBitIncrease; |
---|
| 2010 | iTempDist = (( m_iCount [yCbCr][typeIdx][classIdx]*iTempOffset*iTempOffset-m_iOffsetOrg[yCbCr][typeIdx][classIdx]*iTempOffset*2 ) >> shift); |
---|
| 2011 | dTempCost = ((Double)iTempDist + lambda * (Double) iTempRate); |
---|
| 2012 | if(dTempCost < dTempMinCost) |
---|
| 2013 | { |
---|
| 2014 | dTempMinCost = dTempCost; |
---|
| 2015 | m_iOffset[yCbCr][typeIdx][classIdx] = iIterOffset; |
---|
| 2016 | if(typeIdx == SAO_BO) |
---|
| 2017 | { |
---|
| 2018 | currentDistortionTableBo[classIdx-1] = (Int) iTempDist; |
---|
| 2019 | currentRdCostTableBo[classIdx-1] = dTempCost; |
---|
| 2020 | } |
---|
| 2021 | } |
---|
| 2022 | iIterOffset = (iIterOffset > 0) ? (iIterOffset-1):(iIterOffset+1); |
---|
| 2023 | } |
---|
| 2024 | } |
---|
| 2025 | |
---|
| 2026 | } |
---|
| 2027 | else |
---|
| 2028 | { |
---|
| 2029 | m_iOffsetOrg[yCbCr][typeIdx][classIdx] = 0; |
---|
| 2030 | m_iOffset[yCbCr][typeIdx][classIdx] = 0; |
---|
| 2031 | } |
---|
| 2032 | if( typeIdx != SAO_BO ) |
---|
| 2033 | { |
---|
| 2034 | count = m_iCount [yCbCr][typeIdx][classIdx]; |
---|
| 2035 | offset = m_iOffset[yCbCr][typeIdx][classIdx] << m_uiSaoBitIncrease; |
---|
| 2036 | offsetOrg = m_iOffsetOrg[yCbCr][typeIdx][classIdx]; |
---|
| 2037 | #if HHI_INTERVIEW_SKIP |
---|
| 2038 | if (!bRenderable) |
---|
| 2039 | { |
---|
| 2040 | estDist += (( count*offset*offset-offsetOrg*offset*2 ) >> shift); |
---|
| 2041 | } |
---|
| 2042 | #else |
---|
| 2043 | estDist += (( count*offset*offset-offsetOrg*offset*2 ) >> shift); |
---|
| 2044 | #endif |
---|
| 2045 | if (typeIdx < 4) |
---|
| 2046 | { |
---|
| 2047 | if (classIdx<3) |
---|
| 2048 | { |
---|
| 2049 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoUvlc((Int)m_iOffset[yCbCr][typeIdx][classIdx]); |
---|
| 2050 | } |
---|
| 2051 | else |
---|
| 2052 | { |
---|
| 2053 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoUvlc((Int)-m_iOffset[yCbCr][typeIdx][classIdx]); |
---|
| 2054 | } |
---|
| 2055 | } |
---|
| 2056 | else |
---|
| 2057 | { |
---|
| 2058 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoSvlc((Int)m_iOffset[yCbCr][typeIdx][classIdx]); |
---|
| 2059 | } |
---|
| 2060 | } |
---|
| 2061 | |
---|
| 2062 | } |
---|
| 2063 | |
---|
| 2064 | if( typeIdx == SAO_BO ) |
---|
| 2065 | { |
---|
| 2066 | // Estimate Best Position |
---|
| 2067 | Double currentRDCost = 0.0; |
---|
| 2068 | |
---|
| 2069 | for(Int i=0; i< SAO_MAX_BO_CLASSES -SAO_BO_LEN +1; i++) |
---|
| 2070 | { |
---|
| 2071 | currentRDCost = 0.0; |
---|
| 2072 | for(UInt uj = i; uj < i+SAO_BO_LEN; uj++) |
---|
| 2073 | { |
---|
| 2074 | currentRDCost += currentRdCostTableBo[uj]; |
---|
| 2075 | } |
---|
| 2076 | |
---|
| 2077 | if( currentRDCost < bestRDCostTableBo) |
---|
| 2078 | { |
---|
| 2079 | bestRDCostTableBo = currentRDCost; |
---|
| 2080 | bestClassTableBo = i; |
---|
| 2081 | } |
---|
| 2082 | } |
---|
| 2083 | |
---|
| 2084 | // Re code all Offsets |
---|
| 2085 | // Code Center |
---|
| 2086 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoUflc( (UInt) (bestClassTableBo) ); |
---|
| 2087 | |
---|
| 2088 | for(classIdx = bestClassTableBo; classIdx < bestClassTableBo+SAO_BO_LEN; classIdx++) |
---|
| 2089 | { |
---|
| 2090 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoSvlc((Int)m_iOffset[yCbCr][typeIdx][classIdx+1]); |
---|
| 2091 | #if HHI_INTERVIEW_SKIP |
---|
| 2092 | if (!bRenderable) |
---|
| 2093 | { |
---|
| 2094 | estDist += currentDistortionTableBo[classIdx]; |
---|
| 2095 | } |
---|
| 2096 | #else |
---|
| 2097 | estDist += currentDistortionTableBo[classIdx]; |
---|
| 2098 | #endif |
---|
| 2099 | } |
---|
| 2100 | } |
---|
| 2101 | |
---|
| 2102 | m_iDist[yCbCr][typeIdx] = estDist; |
---|
| 2103 | m_iRate[yCbCr][typeIdx] = m_pcEntropyCoder->getNumberOfWrittenBits(); |
---|
| 2104 | |
---|
| 2105 | m_dCost[yCbCr][typeIdx] = (Double)((Double)m_iDist[yCbCr][typeIdx] + lambda * (Double) m_iRate[yCbCr][typeIdx]); |
---|
| 2106 | |
---|
| 2107 | if(m_dCost[yCbCr][typeIdx] < m_dCostPartBest[yCbCr]) |
---|
| 2108 | { |
---|
| 2109 | m_iDistOrg [yCbCr] = (Int64)complexityCost; |
---|
| 2110 | m_dCostPartBest[yCbCr] = m_dCost[yCbCr][typeIdx]; |
---|
| 2111 | m_iTypePartBest[yCbCr] = typeIdx; |
---|
| 2112 | } |
---|
| 2113 | } |
---|
| 2114 | else |
---|
| 2115 | { |
---|
| 2116 | if(m_iDistOrg[yCbCr] < m_dCostPartBest[yCbCr]) |
---|
| 2117 | { |
---|
| 2118 | m_dCostPartBest[yCbCr] = (Double) m_iDistOrg[yCbCr] + m_pcEntropyCoder->getNumberOfWrittenBits()*lambda ; |
---|
| 2119 | m_iTypePartBest[yCbCr] = -1; |
---|
| 2120 | } |
---|
| 2121 | } |
---|
| 2122 | } |
---|
| 2123 | |
---|
| 2124 | // merge left or merge up |
---|
| 2125 | |
---|
| 2126 | for (Int idxNeighbor=0;idxNeighbor<2;idxNeighbor++) |
---|
| 2127 | { |
---|
| 2128 | saoLcuParamNeighbor = NULL; |
---|
| 2129 | if (addrLeft>=0 && idxNeighbor ==0) |
---|
| 2130 | { |
---|
| 2131 | saoLcuParamNeighbor = &(saoParam->saoLcuParam[yCbCr][addrLeft]); |
---|
| 2132 | } |
---|
| 2133 | else if (addrUp>=0 && idxNeighbor ==1) |
---|
| 2134 | { |
---|
| 2135 | saoLcuParamNeighbor = &(saoParam->saoLcuParam[yCbCr][addrUp]); |
---|
| 2136 | } |
---|
| 2137 | if (saoLcuParamNeighbor!=NULL) |
---|
| 2138 | { |
---|
| 2139 | if (saoLcuParamNeighbor->typeIdx>=0) //new |
---|
| 2140 | { |
---|
| 2141 | m_pcEntropyCoder->resetEntropy(); |
---|
| 2142 | m_pcEntropyCoder->resetBits(); |
---|
| 2143 | |
---|
| 2144 | estDist = 0; |
---|
| 2145 | typeIdx = saoLcuParamNeighbor->typeIdx; |
---|
| 2146 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoFlag(1); |
---|
| 2147 | if (saoLcuParamNeighbor->typeIdx == SAO_BO) |
---|
| 2148 | { |
---|
| 2149 | for(classIdx = saoLcuParamNeighbor->bandPosition+1; classIdx < saoLcuParamNeighbor->bandPosition+SAO_BO_LEN+1; classIdx++) |
---|
| 2150 | { |
---|
| 2151 | merge_iOffset[classIdx] = saoLcuParamNeighbor->offset[classIdx-1-saoLcuParamNeighbor->bandPosition]; |
---|
| 2152 | |
---|
| 2153 | count = m_iCount [yCbCr][typeIdx][classIdx]; |
---|
| 2154 | offset = merge_iOffset[classIdx]; |
---|
| 2155 | offsetOrg = m_iOffsetOrg[yCbCr][typeIdx][classIdx]; |
---|
| 2156 | #if HHI_INTERVIEW_SKIP |
---|
| 2157 | if (!bRenderable) |
---|
| 2158 | { |
---|
| 2159 | estDist += (( count*offset*offset-offsetOrg*offset*2 ) >> shift); |
---|
| 2160 | } |
---|
| 2161 | #else |
---|
| 2162 | estDist += (( count*offset*offset-offsetOrg*offset*2 ) >> shift); |
---|
| 2163 | #endif |
---|
| 2164 | } |
---|
| 2165 | } |
---|
| 2166 | else |
---|
| 2167 | { |
---|
| 2168 | for(classIdx=1; classIdx < m_iNumClass[typeIdx]+1; classIdx++) |
---|
| 2169 | { |
---|
| 2170 | merge_iOffset[classIdx] = saoLcuParamNeighbor->offset[classIdx-1]; |
---|
| 2171 | |
---|
| 2172 | count = m_iCount [yCbCr][typeIdx][classIdx]; |
---|
| 2173 | offset = merge_iOffset[classIdx]; |
---|
| 2174 | offsetOrg = m_iOffsetOrg[yCbCr][typeIdx][classIdx]; |
---|
| 2175 | #if HHI_INTERVIEW_SKIP |
---|
| 2176 | if (!bRenderable) |
---|
| 2177 | { |
---|
| 2178 | estDist += (( count*offset*offset-offsetOrg*offset*2 ) >> shift); |
---|
| 2179 | } |
---|
| 2180 | #else |
---|
| 2181 | estDist += (( count*offset*offset-offsetOrg*offset*2 ) >> shift); |
---|
| 2182 | #endif |
---|
| 2183 | } |
---|
| 2184 | } |
---|
| 2185 | merge_iDist = estDist; |
---|
| 2186 | merge_iRate = m_pcEntropyCoder->getNumberOfWrittenBits(); |
---|
| 2187 | merge_dCost = (Double)((Double)merge_iDist + m_dLambdaLuma * (Double) merge_iRate) ; |
---|
| 2188 | |
---|
| 2189 | if(merge_dCost < m_dCostPartBest[yCbCr]) |
---|
| 2190 | { |
---|
| 2191 | m_iDistOrg [yCbCr] = (Int64)complexityCost; |
---|
| 2192 | m_dCostPartBest[yCbCr] = merge_dCost; |
---|
| 2193 | m_iTypePartBest[yCbCr] = typeIdx; |
---|
| 2194 | if (typeIdx == SAO_BO) |
---|
| 2195 | { |
---|
| 2196 | bestClassTableBoMerge = saoLcuParamNeighbor->bandPosition; |
---|
| 2197 | for(classIdx = saoLcuParamNeighbor->bandPosition+1; classIdx < saoLcuParamNeighbor->bandPosition+SAO_BO_LEN+1; classIdx++) |
---|
| 2198 | { |
---|
| 2199 | m_iOffset[yCbCr][typeIdx][classIdx] = merge_iOffset[classIdx]; |
---|
| 2200 | } |
---|
| 2201 | } |
---|
| 2202 | else |
---|
| 2203 | { |
---|
| 2204 | for(classIdx=1; classIdx < m_iNumClass[typeIdx]+1; classIdx++) |
---|
| 2205 | { |
---|
| 2206 | m_iOffset[yCbCr][typeIdx][classIdx] = merge_iOffset[classIdx]; |
---|
| 2207 | } |
---|
| 2208 | } |
---|
| 2209 | saoLcuParam->mergeUpFlag = idxNeighbor; |
---|
| 2210 | saoLcuParam->mergeLeftFlag = !idxNeighbor; |
---|
| 2211 | } |
---|
| 2212 | } |
---|
| 2213 | } |
---|
| 2214 | } |
---|
| 2215 | |
---|
| 2216 | saoLcuParam->typeIdx = m_iTypePartBest[yCbCr]; |
---|
| 2217 | if (saoLcuParam->typeIdx != -1) |
---|
| 2218 | { |
---|
| 2219 | saoLcuParam->length = m_iNumClass[saoLcuParam->typeIdx]; |
---|
| 2220 | Int minIndex = 0; |
---|
| 2221 | if( saoLcuParam->typeIdx == SAO_BO ) |
---|
| 2222 | { |
---|
| 2223 | if ((saoLcuParam->mergeUpFlag )||(saoLcuParam->mergeLeftFlag)) |
---|
| 2224 | { |
---|
| 2225 | saoLcuParam->bandPosition = bestClassTableBoMerge; |
---|
| 2226 | } |
---|
| 2227 | else |
---|
| 2228 | { |
---|
| 2229 | saoLcuParam->bandPosition = bestClassTableBo; |
---|
| 2230 | } |
---|
| 2231 | minIndex = saoLcuParam->bandPosition; |
---|
| 2232 | } |
---|
| 2233 | for (Int i=0; i< saoLcuParam->length ; i++) |
---|
| 2234 | { |
---|
| 2235 | saoLcuParam->offset[i] = (Int) m_iOffset[yCbCr][saoLcuParam->typeIdx][minIndex+i+1]; |
---|
| 2236 | } |
---|
| 2237 | } |
---|
| 2238 | else |
---|
| 2239 | { |
---|
| 2240 | saoLcuParam->length = 0; |
---|
| 2241 | } |
---|
| 2242 | |
---|
| 2243 | if (addrUp>=0) |
---|
| 2244 | { |
---|
| 2245 | if (saoLcuParam->typeIdx == -1 && saoParam->saoLcuParam[yCbCr][addrUp].typeIdx == -1) |
---|
| 2246 | { |
---|
| 2247 | saoLcuParam->mergeUpFlag = 1; |
---|
| 2248 | saoLcuParam->mergeLeftFlag = 0; |
---|
| 2249 | } |
---|
| 2250 | } |
---|
| 2251 | if (addrLeft>=0) |
---|
| 2252 | { |
---|
| 2253 | if (saoLcuParam->typeIdx == -1 && saoParam->saoLcuParam[yCbCr][addrLeft].typeIdx == -1) |
---|
| 2254 | { |
---|
| 2255 | saoLcuParam->mergeUpFlag = 0; |
---|
| 2256 | saoLcuParam->mergeLeftFlag = 1; |
---|
| 2257 | } |
---|
| 2258 | } |
---|
| 2259 | |
---|
| 2260 | } |
---|
| 2261 | |
---|
| 2262 | #endif |
---|
| 2263 | |
---|
| 2264 | //! \} |
---|