[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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[608] | 6 | * Copyright (c) 2010-2013, ITU/ISO/IEC |
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[56] | 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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[608] | 34 | /** |
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| 35 | \file TEncSampleAdaptiveOffset.cpp |
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[56] | 36 | \brief estimation part of sample adaptive offset class |
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| 37 | */ |
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| 38 | #include "TEncSampleAdaptiveOffset.h" |
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| 39 | #include <string.h> |
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| 40 | #include <stdlib.h> |
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| 41 | #include <stdio.h> |
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| 42 | #include <math.h> |
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| 43 | |
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| 44 | //! \ingroup TLibEncoder |
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| 45 | //! \{ |
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[608] | 46 | |
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[443] | 47 | TEncSampleAdaptiveOffset::TEncSampleAdaptiveOffset() |
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| 48 | { |
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[608] | 49 | m_pcEntropyCoder = NULL; |
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| 50 | m_pppcRDSbacCoder = NULL; |
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| 51 | m_pcRDGoOnSbacCoder = NULL; |
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| 52 | m_pppcBinCoderCABAC = NULL; |
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| 53 | m_iCount = NULL; |
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| 54 | m_iOffset = NULL; |
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| 55 | m_iOffsetOrg = NULL; |
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| 56 | m_iRate = NULL; |
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| 57 | m_iDist = NULL; |
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| 58 | m_dCost = NULL; |
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| 59 | m_dCostPartBest = NULL; |
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| 60 | m_iDistOrg = NULL; |
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| 61 | m_iTypePartBest = NULL; |
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[443] | 62 | #if SAO_ENCODING_CHOICE_CHROMA |
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[608] | 63 | m_depthSaoRate[0][0] = 0; |
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| 64 | m_depthSaoRate[0][1] = 0; |
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| 65 | m_depthSaoRate[0][2] = 0; |
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| 66 | m_depthSaoRate[0][3] = 0; |
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| 67 | m_depthSaoRate[1][0] = 0; |
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| 68 | m_depthSaoRate[1][1] = 0; |
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| 69 | m_depthSaoRate[1][2] = 0; |
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| 70 | m_depthSaoRate[1][3] = 0; |
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[443] | 71 | #endif |
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| 72 | } |
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| 73 | TEncSampleAdaptiveOffset::~TEncSampleAdaptiveOffset() |
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| 74 | { |
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| 75 | |
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| 76 | } |
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| 77 | // ==================================================================================================================== |
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| 78 | // Constants |
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| 79 | // ==================================================================================================================== |
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| 80 | |
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| 81 | |
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| 82 | // ==================================================================================================================== |
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| 83 | // Tables |
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| 84 | // ==================================================================================================================== |
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| 85 | |
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[608] | 86 | inline Double xRoundIbdi2(Int bitDepth, Double x) |
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[443] | 87 | { |
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[608] | 88 | return ((x)>0) ? (Int)(((Int)(x)+(1<<(bitDepth-8-1)))/(1<<(bitDepth-8))) : ((Int)(((Int)(x)-(1<<(bitDepth-8-1)))/(1<<(bitDepth-8)))); |
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[443] | 89 | } |
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| 90 | |
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| 91 | /** rounding with IBDI |
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| 92 | * \param x |
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| 93 | */ |
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[608] | 94 | inline Double xRoundIbdi(Int bitDepth, Double x) |
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[443] | 95 | { |
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[608] | 96 | return (bitDepth > 8 ? xRoundIbdi2(bitDepth, (x)) : ((x)>=0 ? ((Int)((x)+0.5)) : ((Int)((x)-0.5)))) ; |
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[443] | 97 | } |
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| 98 | |
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[608] | 99 | |
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| 100 | |
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[443] | 101 | /** process SAO for one partition |
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| 102 | * \param *psQTPart, iPartIdx, dLambda |
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| 103 | */ |
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| 104 | Void TEncSampleAdaptiveOffset::rdoSaoOnePart(SAOQTPart *psQTPart, Int iPartIdx, Double dLambda, Int yCbCr) |
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| 105 | { |
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[608] | 106 | Int iTypeIdx; |
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| 107 | Int iNumTotalType = MAX_NUM_SAO_TYPE; |
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| 108 | SAOQTPart* pOnePart = &(psQTPart[iPartIdx]); |
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[443] | 109 | |
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[608] | 110 | Int64 iEstDist; |
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| 111 | Int iClassIdx; |
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| 112 | Int uiShift = 2 * DISTORTION_PRECISION_ADJUSTMENT((yCbCr == 0 ? g_bitDepthY : g_bitDepthC)-8); |
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| 113 | UInt uiDepth = pOnePart->PartLevel; |
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[443] | 114 | |
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[608] | 115 | m_iDistOrg [iPartIdx] = 0; |
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[443] | 116 | |
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[608] | 117 | Double bestRDCostTableBo = MAX_DOUBLE; |
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| 118 | Int bestClassTableBo = 0; |
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| 119 | Int currentDistortionTableBo[MAX_NUM_SAO_CLASS]; |
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| 120 | Double currentRdCostTableBo[MAX_NUM_SAO_CLASS]; |
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[443] | 121 | |
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[608] | 122 | Int addr; |
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| 123 | Int allowMergeLeft; |
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| 124 | Int allowMergeUp; |
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| 125 | Int frameWidthInCU = m_pcPic->getFrameWidthInCU(); |
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| 126 | SaoLcuParam saoLcuParamRdo; |
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[443] | 127 | |
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[608] | 128 | for (iTypeIdx=-1; iTypeIdx<iNumTotalType; iTypeIdx++) |
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| 129 | { |
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| 130 | if( m_bUseSBACRD ) |
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[443] | 131 | { |
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[608] | 132 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[uiDepth][CI_CURR_BEST]); |
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| 133 | m_pcRDGoOnSbacCoder->resetBits(); |
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| 134 | } |
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| 135 | else |
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| 136 | { |
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| 137 | m_pcEntropyCoder->resetEntropy(); |
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| 138 | m_pcEntropyCoder->resetBits(); |
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| 139 | } |
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| 140 | |
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| 141 | iEstDist = 0; |
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| 142 | |
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| 143 | if (iTypeIdx == -1) |
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| 144 | { |
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| 145 | for (Int ry = pOnePart->StartCUY; ry<= pOnePart->EndCUY; ry++) |
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| 146 | { |
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| 147 | for (Int rx = pOnePart->StartCUX; rx <= pOnePart->EndCUX; rx++) |
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[443] | 148 | { |
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[608] | 149 | addr = ry * frameWidthInCU + rx; |
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[443] | 150 | |
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[608] | 151 | // get bits for iTypeIdx = -1 |
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| 152 | allowMergeLeft = 1; |
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| 153 | allowMergeUp = 1; |
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| 154 | if (rx != 0) |
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| 155 | { |
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| 156 | // check tile id and slice id |
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| 157 | if ( (m_pcPic->getPicSym()->getTileIdxMap(addr-1) != m_pcPic->getPicSym()->getTileIdxMap(addr)) || (m_pcPic->getCU(addr-1)->getSlice()->getSliceIdx() != m_pcPic->getCU(addr)->getSlice()->getSliceIdx())) |
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[443] | 158 | { |
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[608] | 159 | allowMergeLeft = 0; |
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| 160 | } |
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| 161 | } |
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| 162 | if (ry!=0) |
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| 163 | { |
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| 164 | if ( (m_pcPic->getPicSym()->getTileIdxMap(addr-m_iNumCuInWidth) != m_pcPic->getPicSym()->getTileIdxMap(addr)) || (m_pcPic->getCU(addr-m_iNumCuInWidth)->getSlice()->getSliceIdx() != m_pcPic->getCU(addr)->getSlice()->getSliceIdx())) |
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| 165 | { |
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| 166 | allowMergeUp = 0; |
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| 167 | } |
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| 168 | } |
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[443] | 169 | |
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[608] | 170 | // reset |
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| 171 | resetSaoUnit(&saoLcuParamRdo); |
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[443] | 172 | |
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[608] | 173 | // set merge flag |
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| 174 | saoLcuParamRdo.mergeUpFlag = 1; |
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| 175 | saoLcuParamRdo.mergeLeftFlag = 1; |
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[443] | 176 | |
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[608] | 177 | if (ry == pOnePart->StartCUY) |
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| 178 | { |
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| 179 | saoLcuParamRdo.mergeUpFlag = 0; |
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| 180 | } |
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| 181 | |
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| 182 | if (rx == pOnePart->StartCUX) |
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| 183 | { |
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| 184 | saoLcuParamRdo.mergeLeftFlag = 0; |
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| 185 | } |
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[443] | 186 | |
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[608] | 187 | m_pcEntropyCoder->encodeSaoUnitInterleaving(yCbCr, 1, rx, ry, &saoLcuParamRdo, 1, 1, allowMergeLeft, allowMergeUp); |
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| 188 | |
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[443] | 189 | } |
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[608] | 190 | } |
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| 191 | } |
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[443] | 192 | |
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[608] | 193 | if (iTypeIdx>=0) |
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| 194 | { |
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| 195 | iEstDist = estSaoTypeDist(iPartIdx, iTypeIdx, uiShift, dLambda, currentDistortionTableBo, currentRdCostTableBo); |
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| 196 | if( iTypeIdx == SAO_BO ) |
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| 197 | { |
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| 198 | // Estimate Best Position |
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| 199 | Double currentRDCost = 0.0; |
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| 200 | |
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| 201 | for(Int i=0; i< SAO_MAX_BO_CLASSES -SAO_BO_LEN +1; i++) |
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[443] | 202 | { |
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[608] | 203 | currentRDCost = 0.0; |
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| 204 | for(UInt uj = i; uj < i+SAO_BO_LEN; uj++) |
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| 205 | { |
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| 206 | currentRDCost += currentRdCostTableBo[uj]; |
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| 207 | } |
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[443] | 208 | |
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[608] | 209 | if( currentRDCost < bestRDCostTableBo) |
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| 210 | { |
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| 211 | bestRDCostTableBo = currentRDCost; |
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| 212 | bestClassTableBo = i; |
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| 213 | } |
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| 214 | } |
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[443] | 215 | |
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[608] | 216 | // Re code all Offsets |
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| 217 | // Code Center |
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| 218 | for(iClassIdx = bestClassTableBo; iClassIdx < bestClassTableBo+SAO_BO_LEN; iClassIdx++) |
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| 219 | { |
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| 220 | iEstDist += currentDistortionTableBo[iClassIdx]; |
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| 221 | } |
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| 222 | } |
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[443] | 223 | |
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[608] | 224 | for (Int ry = pOnePart->StartCUY; ry<= pOnePart->EndCUY; ry++) |
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| 225 | { |
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| 226 | for (Int rx = pOnePart->StartCUX; rx <= pOnePart->EndCUX; rx++) |
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| 227 | { |
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| 228 | addr = ry * frameWidthInCU + rx; |
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| 229 | |
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| 230 | // get bits for iTypeIdx = -1 |
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| 231 | allowMergeLeft = 1; |
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| 232 | allowMergeUp = 1; |
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| 233 | if (rx != 0) |
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| 234 | { |
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| 235 | // check tile id and slice id |
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| 236 | if ( (m_pcPic->getPicSym()->getTileIdxMap(addr-1) != m_pcPic->getPicSym()->getTileIdxMap(addr)) || (m_pcPic->getCU(addr-1)->getSlice()->getSliceIdx() != m_pcPic->getCU(addr)->getSlice()->getSliceIdx())) |
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[443] | 237 | { |
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[608] | 238 | allowMergeLeft = 0; |
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| 239 | } |
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| 240 | } |
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| 241 | if (ry!=0) |
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| 242 | { |
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| 243 | if ( (m_pcPic->getPicSym()->getTileIdxMap(addr-m_iNumCuInWidth) != m_pcPic->getPicSym()->getTileIdxMap(addr)) || (m_pcPic->getCU(addr-m_iNumCuInWidth)->getSlice()->getSliceIdx() != m_pcPic->getCU(addr)->getSlice()->getSliceIdx())) |
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| 244 | { |
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| 245 | allowMergeUp = 0; |
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| 246 | } |
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| 247 | } |
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[443] | 248 | |
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[608] | 249 | // reset |
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| 250 | resetSaoUnit(&saoLcuParamRdo); |
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| 251 | |
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| 252 | // set merge flag |
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| 253 | saoLcuParamRdo.mergeUpFlag = 1; |
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| 254 | saoLcuParamRdo.mergeLeftFlag = 1; |
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[443] | 255 | |
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[608] | 256 | if (ry == pOnePart->StartCUY) |
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| 257 | { |
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| 258 | saoLcuParamRdo.mergeUpFlag = 0; |
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| 259 | } |
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| 260 | |
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| 261 | if (rx == pOnePart->StartCUX) |
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| 262 | { |
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| 263 | saoLcuParamRdo.mergeLeftFlag = 0; |
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| 264 | } |
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[443] | 265 | |
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[608] | 266 | // set type and offsets |
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| 267 | saoLcuParamRdo.typeIdx = iTypeIdx; |
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| 268 | saoLcuParamRdo.subTypeIdx = (iTypeIdx==SAO_BO)?bestClassTableBo:0; |
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| 269 | saoLcuParamRdo.length = m_iNumClass[iTypeIdx]; |
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| 270 | for (iClassIdx = 0; iClassIdx < saoLcuParamRdo.length; iClassIdx++) |
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| 271 | { |
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| 272 | saoLcuParamRdo.offset[iClassIdx] = (Int)m_iOffset[iPartIdx][iTypeIdx][iClassIdx+saoLcuParamRdo.subTypeIdx+1]; |
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| 273 | } |
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[443] | 274 | |
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[608] | 275 | m_pcEntropyCoder->encodeSaoUnitInterleaving(yCbCr, 1, rx, ry, &saoLcuParamRdo, 1, 1, allowMergeLeft, allowMergeUp); |
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[443] | 276 | |
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[608] | 277 | } |
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| 278 | } |
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[443] | 279 | |
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[608] | 280 | m_iDist[iPartIdx][iTypeIdx] = iEstDist; |
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| 281 | m_iRate[iPartIdx][iTypeIdx] = m_pcEntropyCoder->getNumberOfWrittenBits(); |
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[443] | 282 | |
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[608] | 283 | m_dCost[iPartIdx][iTypeIdx] = (Double)((Double)m_iDist[iPartIdx][iTypeIdx] + dLambda * (Double) m_iRate[iPartIdx][iTypeIdx]); |
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| 284 | |
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| 285 | if(m_dCost[iPartIdx][iTypeIdx] < m_dCostPartBest[iPartIdx]) |
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| 286 | { |
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| 287 | m_iDistOrg [iPartIdx] = 0; |
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| 288 | m_dCostPartBest[iPartIdx] = m_dCost[iPartIdx][iTypeIdx]; |
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| 289 | m_iTypePartBest[iPartIdx] = iTypeIdx; |
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| 290 | if( m_bUseSBACRD ) |
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| 291 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[pOnePart->PartLevel][CI_TEMP_BEST] ); |
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| 292 | } |
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| 293 | } |
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| 294 | else |
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| 295 | { |
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| 296 | if(m_iDistOrg[iPartIdx] < m_dCostPartBest[iPartIdx] ) |
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| 297 | { |
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| 298 | m_dCostPartBest[iPartIdx] = (Double) m_iDistOrg[iPartIdx] + m_pcEntropyCoder->getNumberOfWrittenBits()*dLambda ; |
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| 299 | m_iTypePartBest[iPartIdx] = -1; |
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| 300 | if( m_bUseSBACRD ) |
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[443] | 301 | { |
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[608] | 302 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[pOnePart->PartLevel][CI_TEMP_BEST] ); |
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[443] | 303 | } |
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[608] | 304 | } |
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[443] | 305 | } |
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[608] | 306 | } |
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[443] | 307 | |
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[608] | 308 | pOnePart->bProcessed = true; |
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| 309 | pOnePart->bSplit = false; |
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| 310 | pOnePart->iMinDist = m_iTypePartBest[iPartIdx] >= 0 ? m_iDist[iPartIdx][m_iTypePartBest[iPartIdx]] : m_iDistOrg[iPartIdx]; |
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| 311 | pOnePart->iMinRate = (Int) (m_iTypePartBest[iPartIdx] >= 0 ? m_iRate[iPartIdx][m_iTypePartBest[iPartIdx]] : 0); |
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| 312 | pOnePart->dMinCost = pOnePart->iMinDist + dLambda * pOnePart->iMinRate; |
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| 313 | pOnePart->iBestType = m_iTypePartBest[iPartIdx]; |
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| 314 | if (pOnePart->iBestType != -1) |
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| 315 | { |
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| 316 | // pOnePart->bEnableFlag = 1; |
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| 317 | pOnePart->iLength = m_iNumClass[pOnePart->iBestType]; |
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| 318 | Int minIndex = 0; |
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| 319 | if( pOnePart->iBestType == SAO_BO ) |
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[443] | 320 | { |
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[608] | 321 | pOnePart->subTypeIdx = bestClassTableBo; |
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| 322 | minIndex = pOnePart->subTypeIdx; |
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[443] | 323 | } |
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[608] | 324 | for (Int i=0; i< pOnePart->iLength ; i++) |
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[443] | 325 | { |
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[608] | 326 | pOnePart->iOffset[i] = (Int) m_iOffset[iPartIdx][pOnePart->iBestType][minIndex+i+1]; |
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[443] | 327 | } |
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[608] | 328 | |
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| 329 | } |
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| 330 | else |
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| 331 | { |
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| 332 | // pOnePart->bEnableFlag = 0; |
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| 333 | pOnePart->iLength = 0; |
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| 334 | } |
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[443] | 335 | } |
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| 336 | |
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| 337 | /** Run partition tree disable |
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| 338 | */ |
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| 339 | Void TEncSampleAdaptiveOffset::disablePartTree(SAOQTPart *psQTPart, Int iPartIdx) |
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| 340 | { |
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[608] | 341 | SAOQTPart* pOnePart= &(psQTPart[iPartIdx]); |
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| 342 | pOnePart->bSplit = false; |
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| 343 | pOnePart->iLength = 0; |
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| 344 | pOnePart->iBestType = -1; |
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[443] | 345 | |
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[608] | 346 | if (pOnePart->PartLevel < m_uiMaxSplitLevel) |
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| 347 | { |
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| 348 | for (Int i=0; i<NUM_DOWN_PART; i++) |
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[443] | 349 | { |
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[608] | 350 | disablePartTree(psQTPart, pOnePart->DownPartsIdx[i]); |
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[443] | 351 | } |
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[608] | 352 | } |
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[443] | 353 | } |
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| 354 | |
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| 355 | /** Run quadtree decision function |
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| 356 | * \param iPartIdx, pcPicOrg, pcPicDec, pcPicRest, &dCostFinal |
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| 357 | */ |
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| 358 | Void TEncSampleAdaptiveOffset::runQuadTreeDecision(SAOQTPart *psQTPart, Int iPartIdx, Double &dCostFinal, Int iMaxLevel, Double dLambda, Int yCbCr) |
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| 359 | { |
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[608] | 360 | SAOQTPart* pOnePart = &(psQTPart[iPartIdx]); |
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[443] | 361 | |
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[608] | 362 | UInt uiDepth = pOnePart->PartLevel; |
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| 363 | UInt uhNextDepth = uiDepth+1; |
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[443] | 364 | |
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[608] | 365 | if (iPartIdx == 0) |
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| 366 | { |
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| 367 | dCostFinal = 0; |
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| 368 | } |
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[443] | 369 | |
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[608] | 370 | //SAO for this part |
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| 371 | if(!pOnePart->bProcessed) |
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| 372 | { |
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| 373 | rdoSaoOnePart (psQTPart, iPartIdx, dLambda, yCbCr); |
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| 374 | } |
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[443] | 375 | |
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[608] | 376 | //SAO for sub 4 parts |
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| 377 | if (pOnePart->PartLevel < iMaxLevel) |
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| 378 | { |
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| 379 | Double dCostNotSplit = dLambda + pOnePart->dMinCost; |
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| 380 | Double dCostSplit = dLambda; |
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| 381 | |
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| 382 | for (Int i=0; i< NUM_DOWN_PART ;i++) |
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[443] | 383 | { |
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[608] | 384 | if( m_bUseSBACRD ) |
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| 385 | { |
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| 386 | if ( 0 == i) //initialize RD with previous depth buffer |
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[443] | 387 | { |
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[608] | 388 | m_pppcRDSbacCoder[uhNextDepth][CI_CURR_BEST]->load(m_pppcRDSbacCoder[uiDepth][CI_CURR_BEST]); |
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[443] | 389 | } |
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| 390 | else |
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| 391 | { |
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[608] | 392 | m_pppcRDSbacCoder[uhNextDepth][CI_CURR_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]); |
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[443] | 393 | } |
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[608] | 394 | } |
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| 395 | runQuadTreeDecision(psQTPart, pOnePart->DownPartsIdx[i], dCostFinal, iMaxLevel, dLambda, yCbCr); |
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| 396 | dCostSplit += dCostFinal; |
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| 397 | if( m_bUseSBACRD ) |
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| 398 | { |
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| 399 | m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_TEMP_BEST]); |
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| 400 | } |
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[443] | 401 | } |
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[608] | 402 | |
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| 403 | if(dCostSplit < dCostNotSplit) |
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| 404 | { |
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| 405 | dCostFinal = dCostSplit; |
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| 406 | pOnePart->bSplit = true; |
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| 407 | pOnePart->iLength = 0; |
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| 408 | pOnePart->iBestType = -1; |
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| 409 | if( m_bUseSBACRD ) |
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| 410 | { |
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| 411 | m_pppcRDSbacCoder[uiDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uhNextDepth][CI_NEXT_BEST]); |
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| 412 | } |
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| 413 | } |
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[443] | 414 | else |
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| 415 | { |
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[608] | 416 | dCostFinal = dCostNotSplit; |
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| 417 | pOnePart->bSplit = false; |
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| 418 | for (Int i=0; i<NUM_DOWN_PART; i++) |
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| 419 | { |
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| 420 | disablePartTree(psQTPart, pOnePart->DownPartsIdx[i]); |
---|
| 421 | } |
---|
| 422 | if( m_bUseSBACRD ) |
---|
| 423 | { |
---|
| 424 | m_pppcRDSbacCoder[uiDepth][CI_NEXT_BEST]->load(m_pppcRDSbacCoder[uiDepth][CI_TEMP_BEST]); |
---|
| 425 | } |
---|
[443] | 426 | } |
---|
[608] | 427 | } |
---|
| 428 | else |
---|
| 429 | { |
---|
| 430 | dCostFinal = pOnePart->dMinCost; |
---|
| 431 | } |
---|
[443] | 432 | } |
---|
| 433 | |
---|
| 434 | /** delete allocated memory of TEncSampleAdaptiveOffset class. |
---|
| 435 | */ |
---|
| 436 | Void TEncSampleAdaptiveOffset::destroyEncBuffer() |
---|
| 437 | { |
---|
| 438 | for (Int i=0;i<m_iNumTotalParts;i++) |
---|
| 439 | { |
---|
| 440 | for (Int j=0;j<MAX_NUM_SAO_TYPE;j++) |
---|
| 441 | { |
---|
| 442 | if (m_iCount [i][j]) |
---|
| 443 | { |
---|
[608] | 444 | delete [] m_iCount [i][j]; |
---|
[443] | 445 | } |
---|
| 446 | if (m_iOffset[i][j]) |
---|
| 447 | { |
---|
| 448 | delete [] m_iOffset[i][j]; |
---|
| 449 | } |
---|
| 450 | if (m_iOffsetOrg[i][j]) |
---|
| 451 | { |
---|
[608] | 452 | delete [] m_iOffsetOrg[i][j]; |
---|
[443] | 453 | } |
---|
| 454 | } |
---|
| 455 | if (m_iRate[i]) |
---|
| 456 | { |
---|
| 457 | delete [] m_iRate[i]; |
---|
| 458 | } |
---|
| 459 | if (m_iDist[i]) |
---|
| 460 | { |
---|
[608] | 461 | delete [] m_iDist[i]; |
---|
[443] | 462 | } |
---|
| 463 | if (m_dCost[i]) |
---|
| 464 | { |
---|
| 465 | delete [] m_dCost[i]; |
---|
| 466 | } |
---|
| 467 | if (m_iCount [i]) |
---|
| 468 | { |
---|
[608] | 469 | delete [] m_iCount [i]; |
---|
[443] | 470 | } |
---|
| 471 | if (m_iOffset[i]) |
---|
| 472 | { |
---|
| 473 | delete [] m_iOffset[i]; |
---|
| 474 | } |
---|
| 475 | if (m_iOffsetOrg[i]) |
---|
| 476 | { |
---|
[608] | 477 | delete [] m_iOffsetOrg[i]; |
---|
[443] | 478 | } |
---|
[608] | 479 | |
---|
[443] | 480 | } |
---|
| 481 | if (m_iDistOrg) |
---|
| 482 | { |
---|
| 483 | delete [] m_iDistOrg ; m_iDistOrg = NULL; |
---|
| 484 | } |
---|
| 485 | if (m_dCostPartBest) |
---|
| 486 | { |
---|
| 487 | delete [] m_dCostPartBest ; m_dCostPartBest = NULL; |
---|
| 488 | } |
---|
| 489 | if (m_iTypePartBest) |
---|
| 490 | { |
---|
| 491 | delete [] m_iTypePartBest ; m_iTypePartBest = NULL; |
---|
| 492 | } |
---|
| 493 | if (m_iRate) |
---|
| 494 | { |
---|
| 495 | delete [] m_iRate ; m_iRate = NULL; |
---|
| 496 | } |
---|
| 497 | if (m_iDist) |
---|
| 498 | { |
---|
| 499 | delete [] m_iDist ; m_iDist = NULL; |
---|
| 500 | } |
---|
| 501 | if (m_dCost) |
---|
| 502 | { |
---|
| 503 | delete [] m_dCost ; m_dCost = NULL; |
---|
| 504 | } |
---|
| 505 | if (m_iCount) |
---|
| 506 | { |
---|
| 507 | delete [] m_iCount ; m_iCount = NULL; |
---|
| 508 | } |
---|
| 509 | if (m_iOffset) |
---|
| 510 | { |
---|
| 511 | delete [] m_iOffset ; m_iOffset = NULL; |
---|
| 512 | } |
---|
| 513 | if (m_iOffsetOrg) |
---|
| 514 | { |
---|
| 515 | delete [] m_iOffsetOrg ; m_iOffsetOrg = NULL; |
---|
| 516 | } |
---|
| 517 | Int numLcu = m_iNumCuInWidth * m_iNumCuInHeight; |
---|
| 518 | |
---|
| 519 | for (Int i=0;i<numLcu;i++) |
---|
| 520 | { |
---|
| 521 | for (Int j=0;j<3;j++) |
---|
| 522 | { |
---|
| 523 | for (Int k=0;k<MAX_NUM_SAO_TYPE;k++) |
---|
| 524 | { |
---|
| 525 | if (m_count_PreDblk [i][j][k]) |
---|
| 526 | { |
---|
[608] | 527 | delete [] m_count_PreDblk [i][j][k]; |
---|
[443] | 528 | } |
---|
| 529 | if (m_offsetOrg_PreDblk[i][j][k]) |
---|
| 530 | { |
---|
| 531 | delete [] m_offsetOrg_PreDblk[i][j][k]; |
---|
| 532 | } |
---|
| 533 | } |
---|
| 534 | if (m_count_PreDblk [i][j]) |
---|
| 535 | { |
---|
[608] | 536 | delete [] m_count_PreDblk [i][j]; |
---|
[443] | 537 | } |
---|
| 538 | if (m_offsetOrg_PreDblk[i][j]) |
---|
| 539 | { |
---|
[608] | 540 | delete [] m_offsetOrg_PreDblk[i][j]; |
---|
[443] | 541 | } |
---|
| 542 | } |
---|
| 543 | if (m_count_PreDblk [i]) |
---|
| 544 | { |
---|
[608] | 545 | delete [] m_count_PreDblk [i]; |
---|
[443] | 546 | } |
---|
| 547 | if (m_offsetOrg_PreDblk[i]) |
---|
| 548 | { |
---|
[608] | 549 | delete [] m_offsetOrg_PreDblk[i]; |
---|
[443] | 550 | } |
---|
| 551 | } |
---|
| 552 | if (m_count_PreDblk) |
---|
| 553 | { |
---|
| 554 | delete [] m_count_PreDblk ; m_count_PreDblk = NULL; |
---|
| 555 | } |
---|
| 556 | if (m_offsetOrg_PreDblk) |
---|
| 557 | { |
---|
| 558 | delete [] m_offsetOrg_PreDblk ; m_offsetOrg_PreDblk = NULL; |
---|
| 559 | } |
---|
| 560 | |
---|
| 561 | Int iMaxDepth = 4; |
---|
| 562 | Int iDepth; |
---|
| 563 | for ( iDepth = 0; iDepth < iMaxDepth+1; iDepth++ ) |
---|
| 564 | { |
---|
| 565 | for (Int iCIIdx = 0; iCIIdx < CI_NUM; iCIIdx ++ ) |
---|
| 566 | { |
---|
| 567 | delete m_pppcRDSbacCoder[iDepth][iCIIdx]; |
---|
| 568 | delete m_pppcBinCoderCABAC[iDepth][iCIIdx]; |
---|
| 569 | } |
---|
| 570 | } |
---|
| 571 | |
---|
| 572 | for ( iDepth = 0; iDepth < iMaxDepth+1; iDepth++ ) |
---|
| 573 | { |
---|
| 574 | delete [] m_pppcRDSbacCoder[iDepth]; |
---|
| 575 | delete [] m_pppcBinCoderCABAC[iDepth]; |
---|
| 576 | } |
---|
| 577 | |
---|
| 578 | delete [] m_pppcRDSbacCoder; |
---|
| 579 | delete [] m_pppcBinCoderCABAC; |
---|
| 580 | } |
---|
| 581 | |
---|
| 582 | /** create Encoder Buffer for SAO |
---|
| 583 | * \param |
---|
| 584 | */ |
---|
| 585 | Void TEncSampleAdaptiveOffset::createEncBuffer() |
---|
| 586 | { |
---|
[608] | 587 | m_iDistOrg = new Int64 [m_iNumTotalParts]; |
---|
| 588 | m_dCostPartBest = new Double [m_iNumTotalParts]; |
---|
| 589 | m_iTypePartBest = new Int [m_iNumTotalParts]; |
---|
[443] | 590 | |
---|
| 591 | m_iRate = new Int64* [m_iNumTotalParts]; |
---|
| 592 | m_iDist = new Int64* [m_iNumTotalParts]; |
---|
| 593 | m_dCost = new Double*[m_iNumTotalParts]; |
---|
| 594 | |
---|
| 595 | m_iCount = new Int64 **[m_iNumTotalParts]; |
---|
| 596 | m_iOffset = new Int64 **[m_iNumTotalParts]; |
---|
| 597 | m_iOffsetOrg = new Int64 **[m_iNumTotalParts]; |
---|
| 598 | |
---|
| 599 | for (Int i=0;i<m_iNumTotalParts;i++) |
---|
| 600 | { |
---|
| 601 | m_iRate[i] = new Int64 [MAX_NUM_SAO_TYPE]; |
---|
[608] | 602 | m_iDist[i] = new Int64 [MAX_NUM_SAO_TYPE]; |
---|
| 603 | m_dCost[i] = new Double [MAX_NUM_SAO_TYPE]; |
---|
[443] | 604 | |
---|
[608] | 605 | m_iCount [i] = new Int64 *[MAX_NUM_SAO_TYPE]; |
---|
| 606 | m_iOffset[i] = new Int64 *[MAX_NUM_SAO_TYPE]; |
---|
| 607 | m_iOffsetOrg[i] = new Int64 *[MAX_NUM_SAO_TYPE]; |
---|
[443] | 608 | |
---|
| 609 | for (Int j=0;j<MAX_NUM_SAO_TYPE;j++) |
---|
| 610 | { |
---|
[608] | 611 | m_iCount [i][j] = new Int64 [MAX_NUM_SAO_CLASS]; |
---|
| 612 | m_iOffset[i][j] = new Int64 [MAX_NUM_SAO_CLASS]; |
---|
| 613 | m_iOffsetOrg[i][j]= new Int64 [MAX_NUM_SAO_CLASS]; |
---|
[443] | 614 | } |
---|
| 615 | } |
---|
| 616 | Int numLcu = m_iNumCuInWidth * m_iNumCuInHeight; |
---|
| 617 | m_count_PreDblk = new Int64 ***[numLcu]; |
---|
| 618 | m_offsetOrg_PreDblk = new Int64 ***[numLcu]; |
---|
| 619 | for (Int i=0; i<numLcu; i++) |
---|
| 620 | { |
---|
| 621 | m_count_PreDblk[i] = new Int64 **[3]; |
---|
| 622 | m_offsetOrg_PreDblk[i] = new Int64 **[3]; |
---|
| 623 | |
---|
| 624 | for (Int j=0;j<3;j++) |
---|
| 625 | { |
---|
[608] | 626 | m_count_PreDblk [i][j] = new Int64 *[MAX_NUM_SAO_TYPE]; |
---|
| 627 | m_offsetOrg_PreDblk[i][j] = new Int64 *[MAX_NUM_SAO_TYPE]; |
---|
[443] | 628 | |
---|
| 629 | for (Int k=0;k<MAX_NUM_SAO_TYPE;k++) |
---|
| 630 | { |
---|
[608] | 631 | m_count_PreDblk [i][j][k] = new Int64 [MAX_NUM_SAO_CLASS]; |
---|
| 632 | m_offsetOrg_PreDblk[i][j][k]= new Int64 [MAX_NUM_SAO_CLASS]; |
---|
[443] | 633 | } |
---|
| 634 | } |
---|
| 635 | } |
---|
| 636 | |
---|
| 637 | Int iMaxDepth = 4; |
---|
| 638 | m_pppcRDSbacCoder = new TEncSbac** [iMaxDepth+1]; |
---|
| 639 | #if FAST_BIT_EST |
---|
| 640 | m_pppcBinCoderCABAC = new TEncBinCABACCounter** [iMaxDepth+1]; |
---|
| 641 | #else |
---|
| 642 | m_pppcBinCoderCABAC = new TEncBinCABAC** [iMaxDepth+1]; |
---|
| 643 | #endif |
---|
| 644 | |
---|
| 645 | for ( Int iDepth = 0; iDepth < iMaxDepth+1; iDepth++ ) |
---|
| 646 | { |
---|
| 647 | m_pppcRDSbacCoder[iDepth] = new TEncSbac* [CI_NUM]; |
---|
| 648 | #if FAST_BIT_EST |
---|
| 649 | m_pppcBinCoderCABAC[iDepth] = new TEncBinCABACCounter* [CI_NUM]; |
---|
| 650 | #else |
---|
| 651 | m_pppcBinCoderCABAC[iDepth] = new TEncBinCABAC* [CI_NUM]; |
---|
| 652 | #endif |
---|
| 653 | for (Int iCIIdx = 0; iCIIdx < CI_NUM; iCIIdx ++ ) |
---|
| 654 | { |
---|
| 655 | m_pppcRDSbacCoder[iDepth][iCIIdx] = new TEncSbac; |
---|
| 656 | #if FAST_BIT_EST |
---|
| 657 | m_pppcBinCoderCABAC [iDepth][iCIIdx] = new TEncBinCABACCounter; |
---|
| 658 | #else |
---|
| 659 | m_pppcBinCoderCABAC [iDepth][iCIIdx] = new TEncBinCABAC; |
---|
| 660 | #endif |
---|
| 661 | m_pppcRDSbacCoder [iDepth][iCIIdx]->init( m_pppcBinCoderCABAC [iDepth][iCIIdx] ); |
---|
| 662 | } |
---|
| 663 | } |
---|
| 664 | } |
---|
| 665 | |
---|
| 666 | /** Start SAO encoder |
---|
[608] | 667 | * \param pcPic, pcEntropyCoder, pppcRDSbacCoder, pcRDGoOnSbacCoder |
---|
[443] | 668 | */ |
---|
| 669 | Void TEncSampleAdaptiveOffset::startSaoEnc( TComPic* pcPic, TEncEntropy* pcEntropyCoder, TEncSbac*** pppcRDSbacCoder, TEncSbac* pcRDGoOnSbacCoder) |
---|
| 670 | { |
---|
[608] | 671 | m_bUseSBACRD = true; |
---|
[443] | 672 | m_pcPic = pcPic; |
---|
| 673 | m_pcEntropyCoder = pcEntropyCoder; |
---|
| 674 | |
---|
| 675 | m_pcRDGoOnSbacCoder = pcRDGoOnSbacCoder; |
---|
| 676 | m_pcEntropyCoder->setEntropyCoder(m_pcRDGoOnSbacCoder, pcPic->getSlice(0)); |
---|
| 677 | m_pcEntropyCoder->resetEntropy(); |
---|
| 678 | m_pcEntropyCoder->resetBits(); |
---|
| 679 | |
---|
| 680 | if( m_bUseSBACRD ) |
---|
| 681 | { |
---|
| 682 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_NEXT_BEST]); |
---|
| 683 | m_pppcRDSbacCoder[0][CI_CURR_BEST]->load( m_pppcRDSbacCoder[0][CI_NEXT_BEST]); |
---|
| 684 | } |
---|
| 685 | } |
---|
| 686 | |
---|
| 687 | /** End SAO encoder |
---|
| 688 | */ |
---|
| 689 | Void TEncSampleAdaptiveOffset::endSaoEnc() |
---|
| 690 | { |
---|
| 691 | m_pcPic = NULL; |
---|
| 692 | m_pcEntropyCoder = NULL; |
---|
| 693 | } |
---|
| 694 | |
---|
[608] | 695 | inline Int xSign(Int x) |
---|
[443] | 696 | { |
---|
[608] | 697 | return ((x >> 31) | ((Int)( (((UInt) -x)) >> 31))); |
---|
[443] | 698 | } |
---|
| 699 | |
---|
| 700 | /** Calculate SAO statistics for non-cross-slice or non-cross-tile processing |
---|
| 701 | * \param pRecStart to-be-filtered block buffer pointer |
---|
| 702 | * \param pOrgStart original block buffer pointer |
---|
| 703 | * \param stride picture buffer stride |
---|
| 704 | * \param ppStat statistics buffer |
---|
| 705 | * \param ppCount counter buffer |
---|
| 706 | * \param width block width |
---|
| 707 | * \param height block height |
---|
| 708 | * \param pbBorderAvail availabilities of block border pixels |
---|
| 709 | */ |
---|
[608] | 710 | Void TEncSampleAdaptiveOffset::calcSaoStatsBlock( Pel* pRecStart, Pel* pOrgStart, Int stride, Int64** ppStats, Int64** ppCount, UInt width, UInt height, Bool* pbBorderAvail, Int iYCbCr) |
---|
[443] | 711 | { |
---|
| 712 | Int64 *stats, *count; |
---|
| 713 | Int classIdx, posShift, startX, endX, startY, endY, signLeft,signRight,signDown,signDown1; |
---|
| 714 | Pel *pOrg, *pRec; |
---|
| 715 | UInt edgeType; |
---|
| 716 | Int x, y; |
---|
[608] | 717 | Pel *pTableBo = (iYCbCr==0)?m_lumaTableBo:m_chromaTableBo; |
---|
[443] | 718 | |
---|
| 719 | //--------- Band offset-----------// |
---|
| 720 | stats = ppStats[SAO_BO]; |
---|
| 721 | count = ppCount[SAO_BO]; |
---|
| 722 | pOrg = pOrgStart; |
---|
| 723 | pRec = pRecStart; |
---|
| 724 | for (y=0; y< height; y++) |
---|
| 725 | { |
---|
| 726 | for (x=0; x< width; x++) |
---|
| 727 | { |
---|
[608] | 728 | classIdx = pTableBo[pRec[x]]; |
---|
[443] | 729 | if (classIdx) |
---|
| 730 | { |
---|
[608] | 731 | stats[classIdx] += (pOrg[x] - pRec[x]); |
---|
[443] | 732 | count[classIdx] ++; |
---|
| 733 | } |
---|
| 734 | } |
---|
| 735 | pOrg += stride; |
---|
| 736 | pRec += stride; |
---|
| 737 | } |
---|
| 738 | //---------- Edge offset 0--------------// |
---|
| 739 | stats = ppStats[SAO_EO_0]; |
---|
| 740 | count = ppCount[SAO_EO_0]; |
---|
| 741 | pOrg = pOrgStart; |
---|
| 742 | pRec = pRecStart; |
---|
| 743 | |
---|
[608] | 744 | |
---|
[443] | 745 | startX = (pbBorderAvail[SGU_L]) ? 0 : 1; |
---|
| 746 | endX = (pbBorderAvail[SGU_R]) ? width : (width -1); |
---|
| 747 | for (y=0; y< height; y++) |
---|
| 748 | { |
---|
| 749 | signLeft = xSign(pRec[startX] - pRec[startX-1]); |
---|
| 750 | for (x=startX; x< endX; x++) |
---|
| 751 | { |
---|
[608] | 752 | signRight = xSign(pRec[x] - pRec[x+1]); |
---|
[443] | 753 | edgeType = signRight + signLeft + 2; |
---|
| 754 | signLeft = -signRight; |
---|
| 755 | |
---|
| 756 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 757 | count[m_auiEoTable[edgeType]] ++; |
---|
| 758 | } |
---|
| 759 | pRec += stride; |
---|
| 760 | pOrg += stride; |
---|
| 761 | } |
---|
| 762 | |
---|
| 763 | //---------- Edge offset 1--------------// |
---|
| 764 | stats = ppStats[SAO_EO_1]; |
---|
| 765 | count = ppCount[SAO_EO_1]; |
---|
| 766 | pOrg = pOrgStart; |
---|
| 767 | pRec = pRecStart; |
---|
| 768 | |
---|
| 769 | startY = (pbBorderAvail[SGU_T]) ? 0 : 1; |
---|
| 770 | endY = (pbBorderAvail[SGU_B]) ? height : height-1; |
---|
| 771 | if (!pbBorderAvail[SGU_T]) |
---|
| 772 | { |
---|
| 773 | pRec += stride; |
---|
| 774 | pOrg += stride; |
---|
| 775 | } |
---|
| 776 | |
---|
| 777 | for (x=0; x< width; x++) |
---|
| 778 | { |
---|
| 779 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride]); |
---|
| 780 | } |
---|
| 781 | for (y=startY; y<endY; y++) |
---|
| 782 | { |
---|
| 783 | for (x=0; x< width; x++) |
---|
| 784 | { |
---|
[608] | 785 | signDown = xSign(pRec[x] - pRec[x+stride]); |
---|
[443] | 786 | edgeType = signDown + m_iUpBuff1[x] + 2; |
---|
| 787 | m_iUpBuff1[x] = -signDown; |
---|
| 788 | |
---|
| 789 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 790 | count[m_auiEoTable[edgeType]] ++; |
---|
| 791 | } |
---|
| 792 | pOrg += stride; |
---|
| 793 | pRec += stride; |
---|
| 794 | } |
---|
| 795 | //---------- Edge offset 2--------------// |
---|
| 796 | stats = ppStats[SAO_EO_2]; |
---|
| 797 | count = ppCount[SAO_EO_2]; |
---|
| 798 | pOrg = pOrgStart; |
---|
| 799 | pRec = pRecStart; |
---|
| 800 | |
---|
| 801 | posShift= stride + 1; |
---|
| 802 | |
---|
| 803 | startX = (pbBorderAvail[SGU_L]) ? 0 : 1 ; |
---|
| 804 | endX = (pbBorderAvail[SGU_R]) ? width : (width-1); |
---|
| 805 | |
---|
| 806 | //prepare 2nd line upper sign |
---|
| 807 | pRec += stride; |
---|
| 808 | for (x=startX; x< endX+1; x++) |
---|
| 809 | { |
---|
| 810 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x- posShift]); |
---|
| 811 | } |
---|
| 812 | |
---|
| 813 | //1st line |
---|
| 814 | pRec -= stride; |
---|
| 815 | if(pbBorderAvail[SGU_TL]) |
---|
| 816 | { |
---|
| 817 | x= 0; |
---|
| 818 | edgeType = xSign(pRec[x] - pRec[x- posShift]) - m_iUpBuff1[x+1] + 2; |
---|
| 819 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 820 | count[m_auiEoTable[edgeType]] ++; |
---|
| 821 | } |
---|
| 822 | if(pbBorderAvail[SGU_T]) |
---|
| 823 | { |
---|
| 824 | for(x= 1; x< endX; x++) |
---|
| 825 | { |
---|
| 826 | edgeType = xSign(pRec[x] - pRec[x- posShift]) - m_iUpBuff1[x+1] + 2; |
---|
| 827 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 828 | count[m_auiEoTable[edgeType]] ++; |
---|
| 829 | } |
---|
| 830 | } |
---|
| 831 | pRec += stride; |
---|
| 832 | pOrg += stride; |
---|
| 833 | |
---|
| 834 | //middle lines |
---|
| 835 | for (y= 1; y< height-1; y++) |
---|
| 836 | { |
---|
| 837 | for (x=startX; x<endX; x++) |
---|
| 838 | { |
---|
| 839 | signDown1 = xSign(pRec[x] - pRec[x+ posShift]) ; |
---|
| 840 | edgeType = signDown1 + m_iUpBuff1[x] + 2; |
---|
| 841 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 842 | count[m_auiEoTable[edgeType]] ++; |
---|
| 843 | |
---|
[608] | 844 | m_iUpBufft[x+1] = -signDown1; |
---|
[443] | 845 | } |
---|
| 846 | m_iUpBufft[startX] = xSign(pRec[stride+startX] - pRec[startX-1]); |
---|
| 847 | |
---|
| 848 | ipSwap = m_iUpBuff1; |
---|
| 849 | m_iUpBuff1 = m_iUpBufft; |
---|
| 850 | m_iUpBufft = ipSwap; |
---|
| 851 | |
---|
| 852 | pRec += stride; |
---|
| 853 | pOrg += stride; |
---|
| 854 | } |
---|
| 855 | |
---|
| 856 | //last line |
---|
| 857 | if(pbBorderAvail[SGU_B]) |
---|
| 858 | { |
---|
| 859 | for(x= startX; x< width-1; x++) |
---|
| 860 | { |
---|
| 861 | edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2; |
---|
| 862 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 863 | count[m_auiEoTable[edgeType]] ++; |
---|
| 864 | } |
---|
| 865 | } |
---|
| 866 | if(pbBorderAvail[SGU_BR]) |
---|
| 867 | { |
---|
| 868 | x= width -1; |
---|
| 869 | edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2; |
---|
| 870 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 871 | count[m_auiEoTable[edgeType]] ++; |
---|
| 872 | } |
---|
| 873 | |
---|
| 874 | //---------- Edge offset 3--------------// |
---|
| 875 | |
---|
| 876 | stats = ppStats[SAO_EO_3]; |
---|
| 877 | count = ppCount[SAO_EO_3]; |
---|
| 878 | pOrg = pOrgStart; |
---|
| 879 | pRec = pRecStart; |
---|
| 880 | |
---|
| 881 | posShift = stride - 1; |
---|
| 882 | startX = (pbBorderAvail[SGU_L]) ? 0 : 1; |
---|
| 883 | endX = (pbBorderAvail[SGU_R]) ? width : (width -1); |
---|
| 884 | |
---|
| 885 | //prepare 2nd line upper sign |
---|
| 886 | pRec += stride; |
---|
| 887 | for (x=startX-1; x< endX; x++) |
---|
| 888 | { |
---|
| 889 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x- posShift]); |
---|
| 890 | } |
---|
| 891 | |
---|
| 892 | |
---|
| 893 | //first line |
---|
| 894 | pRec -= stride; |
---|
| 895 | if(pbBorderAvail[SGU_T]) |
---|
| 896 | { |
---|
| 897 | for(x= startX; x< width -1; x++) |
---|
| 898 | { |
---|
| 899 | edgeType = xSign(pRec[x] - pRec[x- posShift]) -m_iUpBuff1[x-1] + 2; |
---|
| 900 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 901 | count[m_auiEoTable[edgeType]] ++; |
---|
| 902 | } |
---|
| 903 | } |
---|
| 904 | if(pbBorderAvail[SGU_TR]) |
---|
| 905 | { |
---|
| 906 | x= width-1; |
---|
| 907 | edgeType = xSign(pRec[x] - pRec[x- posShift]) -m_iUpBuff1[x-1] + 2; |
---|
| 908 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 909 | count[m_auiEoTable[edgeType]] ++; |
---|
| 910 | } |
---|
| 911 | pRec += stride; |
---|
| 912 | pOrg += stride; |
---|
| 913 | |
---|
| 914 | //middle lines |
---|
| 915 | for (y= 1; y< height-1; y++) |
---|
| 916 | { |
---|
| 917 | for(x= startX; x< endX; x++) |
---|
| 918 | { |
---|
| 919 | signDown1 = xSign(pRec[x] - pRec[x+ posShift]) ; |
---|
| 920 | edgeType = signDown1 + m_iUpBuff1[x] + 2; |
---|
| 921 | |
---|
| 922 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 923 | count[m_auiEoTable[edgeType]] ++; |
---|
| 924 | m_iUpBuff1[x-1] = -signDown1; |
---|
| 925 | |
---|
| 926 | } |
---|
| 927 | m_iUpBuff1[endX-1] = xSign(pRec[endX-1 + stride] - pRec[endX]); |
---|
| 928 | |
---|
| 929 | pRec += stride; |
---|
| 930 | pOrg += stride; |
---|
| 931 | } |
---|
| 932 | |
---|
| 933 | //last line |
---|
| 934 | if(pbBorderAvail[SGU_BL]) |
---|
| 935 | { |
---|
| 936 | x= 0; |
---|
| 937 | edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2; |
---|
| 938 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 939 | count[m_auiEoTable[edgeType]] ++; |
---|
| 940 | |
---|
| 941 | } |
---|
| 942 | if(pbBorderAvail[SGU_B]) |
---|
| 943 | { |
---|
| 944 | for(x= 1; x< endX; x++) |
---|
| 945 | { |
---|
| 946 | edgeType = xSign(pRec[x] - pRec[x+ posShift]) + m_iUpBuff1[x] + 2; |
---|
| 947 | stats[m_auiEoTable[edgeType]] += (pOrg[x] - pRec[x]); |
---|
| 948 | count[m_auiEoTable[edgeType]] ++; |
---|
| 949 | } |
---|
| 950 | } |
---|
| 951 | } |
---|
| 952 | |
---|
| 953 | /** Calculate SAO statistics for current LCU |
---|
| 954 | * \param iAddr, iPartIdx, iYCbCr |
---|
| 955 | */ |
---|
| 956 | Void TEncSampleAdaptiveOffset::calcSaoStatsCu(Int iAddr, Int iPartIdx, Int iYCbCr) |
---|
| 957 | { |
---|
| 958 | if(!m_bUseNIF) |
---|
| 959 | { |
---|
| 960 | calcSaoStatsCuOrg( iAddr, iPartIdx, iYCbCr); |
---|
| 961 | } |
---|
| 962 | else |
---|
| 963 | { |
---|
| 964 | Int64** ppStats = m_iOffsetOrg[iPartIdx]; |
---|
| 965 | Int64** ppCount = m_iCount [iPartIdx]; |
---|
| 966 | |
---|
| 967 | //parameters |
---|
| 968 | Int isChroma = (iYCbCr != 0)? 1:0; |
---|
| 969 | Int stride = (iYCbCr != 0)?(m_pcPic->getCStride()):(m_pcPic->getStride()); |
---|
| 970 | Pel* pPicOrg = getPicYuvAddr (m_pcPic->getPicYuvOrg(), iYCbCr); |
---|
| 971 | Pel* pPicRec = getPicYuvAddr(m_pcYuvTmp, iYCbCr); |
---|
| 972 | |
---|
| 973 | std::vector<NDBFBlockInfo>& vFilterBlocks = *(m_pcPic->getCU(iAddr)->getNDBFilterBlocks()); |
---|
| 974 | |
---|
| 975 | //variables |
---|
| 976 | UInt xPos, yPos, width, height; |
---|
| 977 | Bool* pbBorderAvail; |
---|
| 978 | UInt posOffset; |
---|
| 979 | |
---|
| 980 | for(Int i=0; i< vFilterBlocks.size(); i++) |
---|
| 981 | { |
---|
| 982 | xPos = vFilterBlocks[i].posX >> isChroma; |
---|
| 983 | yPos = vFilterBlocks[i].posY >> isChroma; |
---|
| 984 | width = vFilterBlocks[i].width >> isChroma; |
---|
| 985 | height = vFilterBlocks[i].height >> isChroma; |
---|
| 986 | pbBorderAvail = vFilterBlocks[i].isBorderAvailable; |
---|
| 987 | |
---|
| 988 | posOffset = (yPos* stride) + xPos; |
---|
| 989 | |
---|
[608] | 990 | calcSaoStatsBlock(pPicRec+ posOffset, pPicOrg+ posOffset, stride, ppStats, ppCount,width, height, pbBorderAvail, iYCbCr); |
---|
[443] | 991 | } |
---|
| 992 | } |
---|
[608] | 993 | |
---|
[443] | 994 | } |
---|
| 995 | |
---|
| 996 | /** Calculate SAO statistics for current LCU without non-crossing slice |
---|
| 997 | * \param iAddr, iPartIdx, iYCbCr |
---|
| 998 | */ |
---|
| 999 | Void TEncSampleAdaptiveOffset::calcSaoStatsCuOrg(Int iAddr, Int iPartIdx, Int iYCbCr) |
---|
| 1000 | { |
---|
| 1001 | Int x,y; |
---|
| 1002 | TComDataCU *pTmpCu = m_pcPic->getCU(iAddr); |
---|
| 1003 | TComSPS *pTmpSPS = m_pcPic->getSlice(0)->getSPS(); |
---|
| 1004 | |
---|
| 1005 | Pel* pOrg; |
---|
| 1006 | Pel* pRec; |
---|
| 1007 | Int iStride; |
---|
[608] | 1008 | Int iLcuHeight = pTmpSPS->getMaxCUHeight(); |
---|
| 1009 | Int iLcuWidth = pTmpSPS->getMaxCUWidth(); |
---|
[443] | 1010 | UInt uiLPelX = pTmpCu->getCUPelX(); |
---|
| 1011 | UInt uiTPelY = pTmpCu->getCUPelY(); |
---|
| 1012 | UInt uiRPelX; |
---|
| 1013 | UInt uiBPelY; |
---|
| 1014 | Int64* iStats; |
---|
| 1015 | Int64* iCount; |
---|
| 1016 | Int iClassIdx; |
---|
| 1017 | Int iPicWidthTmp; |
---|
| 1018 | Int iPicHeightTmp; |
---|
| 1019 | Int iStartX; |
---|
| 1020 | Int iStartY; |
---|
| 1021 | Int iEndX; |
---|
| 1022 | Int iEndY; |
---|
[608] | 1023 | Pel* pTableBo = (iYCbCr==0)?m_lumaTableBo:m_chromaTableBo; |
---|
[443] | 1024 | |
---|
| 1025 | Int iIsChroma = (iYCbCr!=0)? 1:0; |
---|
| 1026 | Int numSkipLine = iIsChroma? 2:4; |
---|
| 1027 | if (m_saoLcuBasedOptimization == 0) |
---|
| 1028 | { |
---|
| 1029 | numSkipLine = 0; |
---|
| 1030 | } |
---|
| 1031 | |
---|
| 1032 | Int numSkipLineRight = iIsChroma? 3:5; |
---|
| 1033 | if (m_saoLcuBasedOptimization == 0) |
---|
| 1034 | { |
---|
| 1035 | numSkipLineRight = 0; |
---|
| 1036 | } |
---|
| 1037 | |
---|
| 1038 | iPicWidthTmp = m_iPicWidth >> iIsChroma; |
---|
| 1039 | iPicHeightTmp = m_iPicHeight >> iIsChroma; |
---|
| 1040 | iLcuWidth = iLcuWidth >> iIsChroma; |
---|
| 1041 | iLcuHeight = iLcuHeight >> iIsChroma; |
---|
| 1042 | uiLPelX = uiLPelX >> iIsChroma; |
---|
| 1043 | uiTPelY = uiTPelY >> iIsChroma; |
---|
| 1044 | uiRPelX = uiLPelX + iLcuWidth ; |
---|
| 1045 | uiBPelY = uiTPelY + iLcuHeight ; |
---|
| 1046 | uiRPelX = uiRPelX > iPicWidthTmp ? iPicWidthTmp : uiRPelX; |
---|
| 1047 | uiBPelY = uiBPelY > iPicHeightTmp ? iPicHeightTmp : uiBPelY; |
---|
| 1048 | iLcuWidth = uiRPelX - uiLPelX; |
---|
| 1049 | iLcuHeight = uiBPelY - uiTPelY; |
---|
| 1050 | |
---|
| 1051 | iStride = (iYCbCr == 0)? m_pcPic->getStride(): m_pcPic->getCStride(); |
---|
| 1052 | |
---|
| 1053 | //if(iSaoType == BO_0 || iSaoType == BO_1) |
---|
| 1054 | { |
---|
| 1055 | if( m_saoLcuBasedOptimization && m_saoLcuBoundary ) |
---|
| 1056 | { |
---|
| 1057 | numSkipLine = iIsChroma? 1:3; |
---|
| 1058 | numSkipLineRight = iIsChroma? 2:4; |
---|
| 1059 | } |
---|
| 1060 | iStats = m_iOffsetOrg[iPartIdx][SAO_BO]; |
---|
| 1061 | iCount = m_iCount [iPartIdx][SAO_BO]; |
---|
| 1062 | |
---|
| 1063 | pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr); |
---|
| 1064 | pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr); |
---|
| 1065 | |
---|
| 1066 | iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth : iLcuWidth-numSkipLineRight; |
---|
| 1067 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight : iLcuHeight-numSkipLine; |
---|
| 1068 | for (y=0; y<iEndY; y++) |
---|
| 1069 | { |
---|
| 1070 | for (x=0; x<iEndX; x++) |
---|
| 1071 | { |
---|
[608] | 1072 | iClassIdx = pTableBo[pRec[x]]; |
---|
[443] | 1073 | if (iClassIdx) |
---|
| 1074 | { |
---|
| 1075 | iStats[iClassIdx] += (pOrg[x] - pRec[x]); |
---|
| 1076 | iCount[iClassIdx] ++; |
---|
| 1077 | } |
---|
| 1078 | } |
---|
| 1079 | pOrg += iStride; |
---|
| 1080 | pRec += iStride; |
---|
| 1081 | } |
---|
| 1082 | |
---|
| 1083 | } |
---|
| 1084 | Int iSignLeft; |
---|
| 1085 | Int iSignRight; |
---|
| 1086 | Int iSignDown; |
---|
| 1087 | Int iSignDown1; |
---|
| 1088 | Int iSignDown2; |
---|
| 1089 | |
---|
| 1090 | UInt uiEdgeType; |
---|
| 1091 | |
---|
| 1092 | //if (iSaoType == EO_0 || iSaoType == EO_1 || iSaoType == EO_2 || iSaoType == EO_3) |
---|
| 1093 | { |
---|
| 1094 | //if (iSaoType == EO_0) |
---|
| 1095 | { |
---|
| 1096 | if( m_saoLcuBasedOptimization && m_saoLcuBoundary ) |
---|
| 1097 | { |
---|
| 1098 | numSkipLine = iIsChroma? 1:3; |
---|
| 1099 | numSkipLineRight = iIsChroma? 3:5; |
---|
| 1100 | } |
---|
| 1101 | iStats = m_iOffsetOrg[iPartIdx][SAO_EO_0]; |
---|
| 1102 | iCount = m_iCount [iPartIdx][SAO_EO_0]; |
---|
| 1103 | |
---|
| 1104 | pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr); |
---|
| 1105 | pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr); |
---|
| 1106 | |
---|
| 1107 | iStartX = (uiLPelX == 0) ? 1 : 0; |
---|
| 1108 | iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth-numSkipLineRight; |
---|
| 1109 | for (y=0; y<iLcuHeight-numSkipLine; y++) |
---|
| 1110 | { |
---|
| 1111 | iSignLeft = xSign(pRec[iStartX] - pRec[iStartX-1]); |
---|
| 1112 | for (x=iStartX; x< iEndX; x++) |
---|
| 1113 | { |
---|
| 1114 | iSignRight = xSign(pRec[x] - pRec[x+1]); |
---|
| 1115 | uiEdgeType = iSignRight + iSignLeft + 2; |
---|
| 1116 | iSignLeft = -iSignRight; |
---|
| 1117 | |
---|
| 1118 | iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1119 | iCount[m_auiEoTable[uiEdgeType]] ++; |
---|
| 1120 | } |
---|
| 1121 | pOrg += iStride; |
---|
| 1122 | pRec += iStride; |
---|
| 1123 | } |
---|
| 1124 | } |
---|
| 1125 | |
---|
| 1126 | //if (iSaoType == EO_1) |
---|
| 1127 | { |
---|
| 1128 | if( m_saoLcuBasedOptimization && m_saoLcuBoundary ) |
---|
| 1129 | { |
---|
| 1130 | numSkipLine = iIsChroma? 2:4; |
---|
| 1131 | numSkipLineRight = iIsChroma? 2:4; |
---|
| 1132 | } |
---|
| 1133 | iStats = m_iOffsetOrg[iPartIdx][SAO_EO_1]; |
---|
| 1134 | iCount = m_iCount [iPartIdx][SAO_EO_1]; |
---|
| 1135 | |
---|
| 1136 | pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr); |
---|
| 1137 | pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr); |
---|
| 1138 | |
---|
| 1139 | iStartY = (uiTPelY == 0) ? 1 : 0; |
---|
| 1140 | iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth : iLcuWidth-numSkipLineRight; |
---|
| 1141 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine; |
---|
| 1142 | if (uiTPelY == 0) |
---|
| 1143 | { |
---|
| 1144 | pOrg += iStride; |
---|
| 1145 | pRec += iStride; |
---|
| 1146 | } |
---|
| 1147 | |
---|
| 1148 | for (x=0; x< iLcuWidth; x++) |
---|
| 1149 | { |
---|
| 1150 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride]); |
---|
| 1151 | } |
---|
| 1152 | for (y=iStartY; y<iEndY; y++) |
---|
| 1153 | { |
---|
| 1154 | for (x=0; x<iEndX; x++) |
---|
| 1155 | { |
---|
| 1156 | iSignDown = xSign(pRec[x] - pRec[x+iStride]); |
---|
| 1157 | uiEdgeType = iSignDown + m_iUpBuff1[x] + 2; |
---|
| 1158 | m_iUpBuff1[x] = -iSignDown; |
---|
| 1159 | |
---|
| 1160 | iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1161 | iCount[m_auiEoTable[uiEdgeType]] ++; |
---|
| 1162 | } |
---|
| 1163 | pOrg += iStride; |
---|
| 1164 | pRec += iStride; |
---|
| 1165 | } |
---|
| 1166 | } |
---|
| 1167 | //if (iSaoType == EO_2) |
---|
| 1168 | { |
---|
| 1169 | if( m_saoLcuBasedOptimization && m_saoLcuBoundary ) |
---|
| 1170 | { |
---|
| 1171 | numSkipLine = iIsChroma? 2:4; |
---|
| 1172 | numSkipLineRight = iIsChroma? 3:5; |
---|
| 1173 | } |
---|
| 1174 | iStats = m_iOffsetOrg[iPartIdx][SAO_EO_2]; |
---|
| 1175 | iCount = m_iCount [iPartIdx][SAO_EO_2]; |
---|
| 1176 | |
---|
| 1177 | pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr); |
---|
| 1178 | pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr); |
---|
| 1179 | |
---|
| 1180 | iStartX = (uiLPelX == 0) ? 1 : 0; |
---|
| 1181 | iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth-numSkipLineRight; |
---|
| 1182 | |
---|
| 1183 | iStartY = (uiTPelY == 0) ? 1 : 0; |
---|
| 1184 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine; |
---|
| 1185 | if (uiTPelY == 0) |
---|
| 1186 | { |
---|
| 1187 | pOrg += iStride; |
---|
| 1188 | pRec += iStride; |
---|
| 1189 | } |
---|
| 1190 | |
---|
| 1191 | for (x=iStartX; x<iEndX; x++) |
---|
| 1192 | { |
---|
| 1193 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride-1]); |
---|
| 1194 | } |
---|
| 1195 | for (y=iStartY; y<iEndY; y++) |
---|
| 1196 | { |
---|
| 1197 | iSignDown2 = xSign(pRec[iStride+iStartX] - pRec[iStartX-1]); |
---|
| 1198 | for (x=iStartX; x<iEndX; x++) |
---|
| 1199 | { |
---|
| 1200 | iSignDown1 = xSign(pRec[x] - pRec[x+iStride+1]) ; |
---|
| 1201 | uiEdgeType = iSignDown1 + m_iUpBuff1[x] + 2; |
---|
| 1202 | m_iUpBufft[x+1] = -iSignDown1; |
---|
| 1203 | iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1204 | iCount[m_auiEoTable[uiEdgeType]] ++; |
---|
| 1205 | } |
---|
| 1206 | m_iUpBufft[iStartX] = iSignDown2; |
---|
| 1207 | ipSwap = m_iUpBuff1; |
---|
| 1208 | m_iUpBuff1 = m_iUpBufft; |
---|
| 1209 | m_iUpBufft = ipSwap; |
---|
| 1210 | |
---|
| 1211 | pRec += iStride; |
---|
| 1212 | pOrg += iStride; |
---|
| 1213 | } |
---|
| 1214 | } |
---|
| 1215 | //if (iSaoType == EO_3 ) |
---|
| 1216 | { |
---|
| 1217 | if( m_saoLcuBasedOptimization && m_saoLcuBoundary ) |
---|
| 1218 | { |
---|
| 1219 | numSkipLine = iIsChroma? 2:4; |
---|
| 1220 | numSkipLineRight = iIsChroma? 3:5; |
---|
| 1221 | } |
---|
| 1222 | iStats = m_iOffsetOrg[iPartIdx][SAO_EO_3]; |
---|
| 1223 | iCount = m_iCount [iPartIdx][SAO_EO_3]; |
---|
| 1224 | |
---|
| 1225 | pOrg = getPicYuvAddr(m_pcPic->getPicYuvOrg(), iYCbCr, iAddr); |
---|
| 1226 | pRec = getPicYuvAddr(m_pcPic->getPicYuvRec(), iYCbCr, iAddr); |
---|
| 1227 | |
---|
| 1228 | iStartX = (uiLPelX == 0) ? 1 : 0; |
---|
| 1229 | iEndX = (uiRPelX == iPicWidthTmp) ? iLcuWidth-1 : iLcuWidth-numSkipLineRight; |
---|
| 1230 | |
---|
| 1231 | iStartY = (uiTPelY == 0) ? 1 : 0; |
---|
| 1232 | iEndY = (uiBPelY == iPicHeightTmp) ? iLcuHeight-1 : iLcuHeight-numSkipLine; |
---|
| 1233 | if (iStartY == 1) |
---|
| 1234 | { |
---|
| 1235 | pOrg += iStride; |
---|
| 1236 | pRec += iStride; |
---|
| 1237 | } |
---|
| 1238 | |
---|
| 1239 | for (x=iStartX-1; x<iEndX; x++) |
---|
| 1240 | { |
---|
| 1241 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-iStride+1]); |
---|
| 1242 | } |
---|
| 1243 | |
---|
| 1244 | for (y=iStartY; y<iEndY; y++) |
---|
| 1245 | { |
---|
| 1246 | for (x=iStartX; x<iEndX; x++) |
---|
| 1247 | { |
---|
| 1248 | iSignDown1 = xSign(pRec[x] - pRec[x+iStride-1]) ; |
---|
| 1249 | uiEdgeType = iSignDown1 + m_iUpBuff1[x] + 2; |
---|
| 1250 | m_iUpBuff1[x-1] = -iSignDown1; |
---|
| 1251 | iStats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1252 | iCount[m_auiEoTable[uiEdgeType]] ++; |
---|
| 1253 | } |
---|
| 1254 | m_iUpBuff1[iEndX-1] = xSign(pRec[iEndX-1 + iStride] - pRec[iEndX]); |
---|
| 1255 | |
---|
| 1256 | pRec += iStride; |
---|
| 1257 | pOrg += iStride; |
---|
| 1258 | } |
---|
| 1259 | } |
---|
| 1260 | } |
---|
| 1261 | } |
---|
| 1262 | |
---|
| 1263 | |
---|
| 1264 | Void TEncSampleAdaptiveOffset::calcSaoStatsCu_BeforeDblk( TComPic* pcPic ) |
---|
| 1265 | { |
---|
| 1266 | Int addr, yCbCr; |
---|
| 1267 | Int x,y; |
---|
| 1268 | TComSPS *pTmpSPS = pcPic->getSlice(0)->getSPS(); |
---|
| 1269 | |
---|
| 1270 | Pel* pOrg; |
---|
| 1271 | Pel* pRec; |
---|
| 1272 | Int stride; |
---|
[608] | 1273 | Int lcuHeight = pTmpSPS->getMaxCUHeight(); |
---|
| 1274 | Int lcuWidth = pTmpSPS->getMaxCUWidth(); |
---|
[443] | 1275 | UInt rPelX; |
---|
| 1276 | UInt bPelY; |
---|
| 1277 | Int64* stats; |
---|
| 1278 | Int64* count; |
---|
| 1279 | Int classIdx; |
---|
| 1280 | Int picWidthTmp = 0; |
---|
| 1281 | Int picHeightTmp = 0; |
---|
| 1282 | Int startX; |
---|
| 1283 | Int startY; |
---|
| 1284 | Int endX; |
---|
| 1285 | Int endY; |
---|
| 1286 | Int firstX, firstY; |
---|
| 1287 | |
---|
| 1288 | Int idxY; |
---|
| 1289 | Int idxX; |
---|
| 1290 | Int frameHeightInCU = m_iNumCuInHeight; |
---|
| 1291 | Int frameWidthInCU = m_iNumCuInWidth; |
---|
| 1292 | Int j, k; |
---|
| 1293 | |
---|
| 1294 | Int isChroma; |
---|
| 1295 | Int numSkipLine, numSkipLineRight; |
---|
| 1296 | |
---|
| 1297 | UInt lPelX, tPelY; |
---|
| 1298 | TComDataCU *pTmpCu; |
---|
[608] | 1299 | Pel* pTableBo; |
---|
[443] | 1300 | |
---|
| 1301 | for (idxY = 0; idxY< frameHeightInCU; idxY++) |
---|
| 1302 | { |
---|
| 1303 | for (idxX = 0; idxX< frameWidthInCU; idxX++) |
---|
| 1304 | { |
---|
[608] | 1305 | lcuHeight = pTmpSPS->getMaxCUHeight(); |
---|
| 1306 | lcuWidth = pTmpSPS->getMaxCUWidth(); |
---|
[443] | 1307 | addr = idxX + frameWidthInCU*idxY; |
---|
| 1308 | pTmpCu = pcPic->getCU(addr); |
---|
| 1309 | lPelX = pTmpCu->getCUPelX(); |
---|
| 1310 | tPelY = pTmpCu->getCUPelY(); |
---|
| 1311 | for( yCbCr = 0; yCbCr < 3; yCbCr++ ) |
---|
| 1312 | { |
---|
| 1313 | isChroma = (yCbCr!=0)? 1:0; |
---|
| 1314 | |
---|
| 1315 | for ( j=0;j<MAX_NUM_SAO_TYPE;j++) |
---|
| 1316 | { |
---|
| 1317 | for ( k=0;k< MAX_NUM_SAO_CLASS;k++) |
---|
| 1318 | { |
---|
| 1319 | m_count_PreDblk [addr][yCbCr][j][k] = 0; |
---|
| 1320 | m_offsetOrg_PreDblk[addr][yCbCr][j][k] = 0; |
---|
| 1321 | } |
---|
| 1322 | } |
---|
| 1323 | if( yCbCr == 0 ) |
---|
| 1324 | { |
---|
| 1325 | picWidthTmp = m_iPicWidth; |
---|
| 1326 | picHeightTmp = m_iPicHeight; |
---|
| 1327 | } |
---|
| 1328 | else if( yCbCr == 1 ) |
---|
| 1329 | { |
---|
| 1330 | picWidthTmp = m_iPicWidth >> isChroma; |
---|
| 1331 | picHeightTmp = m_iPicHeight >> isChroma; |
---|
| 1332 | lcuWidth = lcuWidth >> isChroma; |
---|
| 1333 | lcuHeight = lcuHeight >> isChroma; |
---|
| 1334 | lPelX = lPelX >> isChroma; |
---|
| 1335 | tPelY = tPelY >> isChroma; |
---|
| 1336 | } |
---|
| 1337 | rPelX = lPelX + lcuWidth ; |
---|
| 1338 | bPelY = tPelY + lcuHeight ; |
---|
| 1339 | rPelX = rPelX > picWidthTmp ? picWidthTmp : rPelX; |
---|
| 1340 | bPelY = bPelY > picHeightTmp ? picHeightTmp : bPelY; |
---|
| 1341 | lcuWidth = rPelX - lPelX; |
---|
| 1342 | lcuHeight = bPelY - tPelY; |
---|
| 1343 | |
---|
| 1344 | stride = (yCbCr == 0)? pcPic->getStride(): pcPic->getCStride(); |
---|
[608] | 1345 | pTableBo = (yCbCr==0)?m_lumaTableBo:m_chromaTableBo; |
---|
[443] | 1346 | |
---|
| 1347 | //if(iSaoType == BO) |
---|
| 1348 | |
---|
| 1349 | numSkipLine = isChroma? 1:3; |
---|
| 1350 | numSkipLineRight = isChroma? 2:4; |
---|
| 1351 | |
---|
| 1352 | stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_BO]; |
---|
| 1353 | count = m_count_PreDblk[addr][yCbCr][SAO_BO]; |
---|
| 1354 | |
---|
| 1355 | pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr); |
---|
| 1356 | pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr); |
---|
| 1357 | |
---|
| 1358 | startX = (rPelX == picWidthTmp) ? lcuWidth : lcuWidth-numSkipLineRight; |
---|
| 1359 | startY = (bPelY == picHeightTmp) ? lcuHeight : lcuHeight-numSkipLine; |
---|
| 1360 | |
---|
| 1361 | for (y=0; y<lcuHeight; y++) |
---|
| 1362 | { |
---|
| 1363 | for (x=0; x<lcuWidth; x++) |
---|
| 1364 | { |
---|
| 1365 | if( x < startX && y < startY ) |
---|
| 1366 | continue; |
---|
| 1367 | |
---|
[608] | 1368 | classIdx = pTableBo[pRec[x]]; |
---|
[443] | 1369 | if (classIdx) |
---|
| 1370 | { |
---|
| 1371 | stats[classIdx] += (pOrg[x] - pRec[x]); |
---|
| 1372 | count[classIdx] ++; |
---|
| 1373 | } |
---|
| 1374 | } |
---|
| 1375 | pOrg += stride; |
---|
| 1376 | pRec += stride; |
---|
| 1377 | } |
---|
| 1378 | |
---|
| 1379 | Int signLeft; |
---|
| 1380 | Int signRight; |
---|
| 1381 | Int signDown; |
---|
| 1382 | Int signDown1; |
---|
| 1383 | Int signDown2; |
---|
| 1384 | |
---|
| 1385 | UInt uiEdgeType; |
---|
| 1386 | |
---|
| 1387 | //if (iSaoType == EO_0) |
---|
| 1388 | |
---|
| 1389 | numSkipLine = isChroma? 1:3; |
---|
| 1390 | numSkipLineRight = isChroma? 3:5; |
---|
| 1391 | |
---|
| 1392 | stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_EO_0]; |
---|
| 1393 | count = m_count_PreDblk[addr][yCbCr][SAO_EO_0]; |
---|
| 1394 | |
---|
| 1395 | pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr); |
---|
| 1396 | pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr); |
---|
| 1397 | |
---|
| 1398 | startX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth-numSkipLineRight; |
---|
| 1399 | startY = (bPelY == picHeightTmp) ? lcuHeight : lcuHeight-numSkipLine; |
---|
| 1400 | firstX = (lPelX == 0) ? 1 : 0; |
---|
| 1401 | endX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth; |
---|
| 1402 | |
---|
| 1403 | for (y=0; y<lcuHeight; y++) |
---|
| 1404 | { |
---|
| 1405 | signLeft = xSign(pRec[firstX] - pRec[firstX-1]); |
---|
| 1406 | for (x=firstX; x< endX; x++) |
---|
| 1407 | { |
---|
| 1408 | signRight = xSign(pRec[x] - pRec[x+1]); |
---|
| 1409 | uiEdgeType = signRight + signLeft + 2; |
---|
| 1410 | signLeft = -signRight; |
---|
| 1411 | |
---|
| 1412 | if( x < startX && y < startY ) |
---|
| 1413 | continue; |
---|
| 1414 | |
---|
| 1415 | stats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1416 | count[m_auiEoTable[uiEdgeType]] ++; |
---|
| 1417 | } |
---|
| 1418 | pOrg += stride; |
---|
| 1419 | pRec += stride; |
---|
| 1420 | } |
---|
| 1421 | |
---|
| 1422 | //if (iSaoType == EO_1) |
---|
| 1423 | |
---|
| 1424 | numSkipLine = isChroma? 2:4; |
---|
| 1425 | numSkipLineRight = isChroma? 2:4; |
---|
| 1426 | |
---|
| 1427 | stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_EO_1]; |
---|
| 1428 | count = m_count_PreDblk[addr][yCbCr][SAO_EO_1]; |
---|
| 1429 | |
---|
| 1430 | pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr); |
---|
| 1431 | pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr); |
---|
| 1432 | |
---|
| 1433 | startX = (rPelX == picWidthTmp) ? lcuWidth : lcuWidth-numSkipLineRight; |
---|
| 1434 | startY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight-numSkipLine; |
---|
| 1435 | firstY = (tPelY == 0) ? 1 : 0; |
---|
| 1436 | endY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight; |
---|
| 1437 | if (firstY == 1) |
---|
| 1438 | { |
---|
| 1439 | pOrg += stride; |
---|
| 1440 | pRec += stride; |
---|
| 1441 | } |
---|
| 1442 | |
---|
| 1443 | for (x=0; x< lcuWidth; x++) |
---|
| 1444 | { |
---|
| 1445 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride]); |
---|
| 1446 | } |
---|
| 1447 | for (y=firstY; y<endY; y++) |
---|
| 1448 | { |
---|
| 1449 | for (x=0; x<lcuWidth; x++) |
---|
| 1450 | { |
---|
| 1451 | signDown = xSign(pRec[x] - pRec[x+stride]); |
---|
| 1452 | uiEdgeType = signDown + m_iUpBuff1[x] + 2; |
---|
| 1453 | m_iUpBuff1[x] = -signDown; |
---|
| 1454 | |
---|
| 1455 | if( x < startX && y < startY ) |
---|
| 1456 | continue; |
---|
| 1457 | |
---|
| 1458 | stats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1459 | count[m_auiEoTable[uiEdgeType]] ++; |
---|
| 1460 | } |
---|
| 1461 | pOrg += stride; |
---|
| 1462 | pRec += stride; |
---|
| 1463 | } |
---|
| 1464 | |
---|
| 1465 | //if (iSaoType == EO_2) |
---|
| 1466 | |
---|
| 1467 | numSkipLine = isChroma? 2:4; |
---|
| 1468 | numSkipLineRight = isChroma? 3:5; |
---|
| 1469 | |
---|
| 1470 | stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_EO_2]; |
---|
| 1471 | count = m_count_PreDblk[addr][yCbCr][SAO_EO_2]; |
---|
| 1472 | |
---|
| 1473 | pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr); |
---|
| 1474 | pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr); |
---|
| 1475 | |
---|
| 1476 | startX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth-numSkipLineRight; |
---|
| 1477 | startY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight-numSkipLine; |
---|
| 1478 | firstX = (lPelX == 0) ? 1 : 0; |
---|
| 1479 | firstY = (tPelY == 0) ? 1 : 0; |
---|
| 1480 | endX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth; |
---|
| 1481 | endY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight; |
---|
| 1482 | if (firstY == 1) |
---|
| 1483 | { |
---|
| 1484 | pOrg += stride; |
---|
| 1485 | pRec += stride; |
---|
| 1486 | } |
---|
| 1487 | |
---|
| 1488 | for (x=firstX; x<endX; x++) |
---|
| 1489 | { |
---|
| 1490 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride-1]); |
---|
| 1491 | } |
---|
| 1492 | for (y=firstY; y<endY; y++) |
---|
| 1493 | { |
---|
| 1494 | signDown2 = xSign(pRec[stride+startX] - pRec[startX-1]); |
---|
| 1495 | for (x=firstX; x<endX; x++) |
---|
| 1496 | { |
---|
| 1497 | signDown1 = xSign(pRec[x] - pRec[x+stride+1]) ; |
---|
| 1498 | uiEdgeType = signDown1 + m_iUpBuff1[x] + 2; |
---|
| 1499 | m_iUpBufft[x+1] = -signDown1; |
---|
| 1500 | |
---|
| 1501 | if( x < startX && y < startY ) |
---|
| 1502 | continue; |
---|
| 1503 | |
---|
| 1504 | stats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1505 | count[m_auiEoTable[uiEdgeType]] ++; |
---|
| 1506 | } |
---|
| 1507 | m_iUpBufft[firstX] = signDown2; |
---|
| 1508 | ipSwap = m_iUpBuff1; |
---|
| 1509 | m_iUpBuff1 = m_iUpBufft; |
---|
| 1510 | m_iUpBufft = ipSwap; |
---|
| 1511 | |
---|
| 1512 | pRec += stride; |
---|
| 1513 | pOrg += stride; |
---|
| 1514 | } |
---|
| 1515 | |
---|
| 1516 | //if (iSaoType == EO_3) |
---|
| 1517 | |
---|
| 1518 | numSkipLine = isChroma? 2:4; |
---|
| 1519 | numSkipLineRight = isChroma? 3:5; |
---|
| 1520 | |
---|
| 1521 | stats = m_offsetOrg_PreDblk[addr][yCbCr][SAO_EO_3]; |
---|
| 1522 | count = m_count_PreDblk[addr][yCbCr][SAO_EO_3]; |
---|
| 1523 | |
---|
| 1524 | pOrg = getPicYuvAddr(pcPic->getPicYuvOrg(), yCbCr, addr); |
---|
| 1525 | pRec = getPicYuvAddr(pcPic->getPicYuvRec(), yCbCr, addr); |
---|
| 1526 | |
---|
| 1527 | startX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth-numSkipLineRight; |
---|
| 1528 | startY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight-numSkipLine; |
---|
| 1529 | firstX = (lPelX == 0) ? 1 : 0; |
---|
| 1530 | firstY = (tPelY == 0) ? 1 : 0; |
---|
| 1531 | endX = (rPelX == picWidthTmp) ? lcuWidth-1 : lcuWidth; |
---|
| 1532 | endY = (bPelY == picHeightTmp) ? lcuHeight-1 : lcuHeight; |
---|
| 1533 | if (firstY == 1) |
---|
| 1534 | { |
---|
| 1535 | pOrg += stride; |
---|
| 1536 | pRec += stride; |
---|
| 1537 | } |
---|
| 1538 | |
---|
| 1539 | for (x=firstX-1; x<endX; x++) |
---|
| 1540 | { |
---|
| 1541 | m_iUpBuff1[x] = xSign(pRec[x] - pRec[x-stride+1]); |
---|
| 1542 | } |
---|
| 1543 | |
---|
| 1544 | for (y=firstY; y<endY; y++) |
---|
| 1545 | { |
---|
| 1546 | for (x=firstX; x<endX; x++) |
---|
| 1547 | { |
---|
| 1548 | signDown1 = xSign(pRec[x] - pRec[x+stride-1]) ; |
---|
| 1549 | uiEdgeType = signDown1 + m_iUpBuff1[x] + 2; |
---|
| 1550 | m_iUpBuff1[x-1] = -signDown1; |
---|
| 1551 | |
---|
| 1552 | if( x < startX && y < startY ) |
---|
| 1553 | continue; |
---|
| 1554 | |
---|
| 1555 | stats[m_auiEoTable[uiEdgeType]] += (pOrg[x] - pRec[x]); |
---|
| 1556 | count[m_auiEoTable[uiEdgeType]] ++; |
---|
| 1557 | } |
---|
| 1558 | m_iUpBuff1[endX-1] = xSign(pRec[endX-1 + stride] - pRec[endX]); |
---|
| 1559 | |
---|
| 1560 | pRec += stride; |
---|
| 1561 | pOrg += stride; |
---|
| 1562 | } |
---|
| 1563 | } |
---|
| 1564 | } |
---|
| 1565 | } |
---|
| 1566 | } |
---|
| 1567 | |
---|
| 1568 | |
---|
| 1569 | /** get SAO statistics |
---|
| 1570 | * \param *psQTPart, iYCbCr |
---|
| 1571 | */ |
---|
| 1572 | Void TEncSampleAdaptiveOffset::getSaoStats(SAOQTPart *psQTPart, Int iYCbCr) |
---|
| 1573 | { |
---|
| 1574 | Int iLevelIdx, iPartIdx, iTypeIdx, iClassIdx; |
---|
| 1575 | Int i; |
---|
| 1576 | Int iNumTotalType = MAX_NUM_SAO_TYPE; |
---|
| 1577 | Int LcuIdxX; |
---|
| 1578 | Int LcuIdxY; |
---|
| 1579 | Int iAddr; |
---|
| 1580 | Int iFrameWidthInCU = m_pcPic->getFrameWidthInCU(); |
---|
| 1581 | Int iDownPartIdx; |
---|
| 1582 | Int iPartStart; |
---|
| 1583 | Int iPartEnd; |
---|
| 1584 | SAOQTPart* pOnePart; |
---|
| 1585 | |
---|
| 1586 | if (m_uiMaxSplitLevel == 0) |
---|
| 1587 | { |
---|
| 1588 | iPartIdx = 0; |
---|
| 1589 | pOnePart = &(psQTPart[iPartIdx]); |
---|
| 1590 | for (LcuIdxY = pOnePart->StartCUY; LcuIdxY<= pOnePart->EndCUY; LcuIdxY++) |
---|
| 1591 | { |
---|
| 1592 | for (LcuIdxX = pOnePart->StartCUX; LcuIdxX<= pOnePart->EndCUX; LcuIdxX++) |
---|
| 1593 | { |
---|
| 1594 | iAddr = LcuIdxY*iFrameWidthInCU + LcuIdxX; |
---|
| 1595 | calcSaoStatsCu(iAddr, iPartIdx, iYCbCr); |
---|
| 1596 | } |
---|
| 1597 | } |
---|
| 1598 | } |
---|
| 1599 | else |
---|
| 1600 | { |
---|
| 1601 | for(iPartIdx=m_aiNumCulPartsLevel[m_uiMaxSplitLevel-1]; iPartIdx<m_aiNumCulPartsLevel[m_uiMaxSplitLevel]; iPartIdx++) |
---|
| 1602 | { |
---|
| 1603 | pOnePart = &(psQTPart[iPartIdx]); |
---|
| 1604 | for (LcuIdxY = pOnePart->StartCUY; LcuIdxY<= pOnePart->EndCUY; LcuIdxY++) |
---|
| 1605 | { |
---|
| 1606 | for (LcuIdxX = pOnePart->StartCUX; LcuIdxX<= pOnePart->EndCUX; LcuIdxX++) |
---|
| 1607 | { |
---|
| 1608 | iAddr = LcuIdxY*iFrameWidthInCU + LcuIdxX; |
---|
| 1609 | calcSaoStatsCu(iAddr, iPartIdx, iYCbCr); |
---|
| 1610 | } |
---|
| 1611 | } |
---|
| 1612 | } |
---|
| 1613 | for (iLevelIdx = m_uiMaxSplitLevel-1; iLevelIdx>=0; iLevelIdx-- ) |
---|
| 1614 | { |
---|
| 1615 | iPartStart = (iLevelIdx > 0) ? m_aiNumCulPartsLevel[iLevelIdx-1] : 0; |
---|
| 1616 | iPartEnd = m_aiNumCulPartsLevel[iLevelIdx]; |
---|
| 1617 | |
---|
| 1618 | for(iPartIdx = iPartStart; iPartIdx < iPartEnd; iPartIdx++) |
---|
| 1619 | { |
---|
| 1620 | pOnePart = &(psQTPart[iPartIdx]); |
---|
| 1621 | for (i=0; i< NUM_DOWN_PART; i++) |
---|
| 1622 | { |
---|
| 1623 | iDownPartIdx = pOnePart->DownPartsIdx[i]; |
---|
| 1624 | for (iTypeIdx=0; iTypeIdx<iNumTotalType; iTypeIdx++) |
---|
| 1625 | { |
---|
| 1626 | for (iClassIdx=0; iClassIdx< (iTypeIdx < SAO_BO ? m_iNumClass[iTypeIdx] : SAO_MAX_BO_CLASSES) +1; iClassIdx++) |
---|
| 1627 | { |
---|
| 1628 | m_iOffsetOrg[iPartIdx][iTypeIdx][iClassIdx] += m_iOffsetOrg[iDownPartIdx][iTypeIdx][iClassIdx]; |
---|
| 1629 | m_iCount [iPartIdx][iTypeIdx][iClassIdx] += m_iCount [iDownPartIdx][iTypeIdx][iClassIdx]; |
---|
| 1630 | } |
---|
| 1631 | } |
---|
| 1632 | } |
---|
| 1633 | } |
---|
| 1634 | } |
---|
| 1635 | } |
---|
| 1636 | } |
---|
| 1637 | |
---|
| 1638 | /** reset offset statistics |
---|
| 1639 | * \param |
---|
| 1640 | */ |
---|
| 1641 | Void TEncSampleAdaptiveOffset::resetStats() |
---|
| 1642 | { |
---|
| 1643 | for (Int i=0;i<m_iNumTotalParts;i++) |
---|
| 1644 | { |
---|
| 1645 | m_dCostPartBest[i] = MAX_DOUBLE; |
---|
| 1646 | m_iTypePartBest[i] = -1; |
---|
| 1647 | m_iDistOrg[i] = 0; |
---|
| 1648 | for (Int j=0;j<MAX_NUM_SAO_TYPE;j++) |
---|
| 1649 | { |
---|
| 1650 | m_iDist[i][j] = 0; |
---|
| 1651 | m_iRate[i][j] = 0; |
---|
| 1652 | m_dCost[i][j] = 0; |
---|
| 1653 | for (Int k=0;k<MAX_NUM_SAO_CLASS;k++) |
---|
| 1654 | { |
---|
| 1655 | m_iCount [i][j][k] = 0; |
---|
| 1656 | m_iOffset[i][j][k] = 0; |
---|
| 1657 | m_iOffsetOrg[i][j][k] = 0; |
---|
| 1658 | } |
---|
| 1659 | } |
---|
| 1660 | } |
---|
| 1661 | } |
---|
| 1662 | |
---|
| 1663 | #if SAO_CHROMA_LAMBDA |
---|
| 1664 | /** Sample adaptive offset process |
---|
| 1665 | * \param pcSaoParam |
---|
| 1666 | * \param dLambdaLuma |
---|
| 1667 | * \param dLambdaChroma |
---|
| 1668 | */ |
---|
| 1669 | #if SAO_ENCODING_CHOICE |
---|
| 1670 | Void TEncSampleAdaptiveOffset::SAOProcess(SAOParam *pcSaoParam, Double dLambdaLuma, Double dLambdaChroma, Int depth) |
---|
| 1671 | #else |
---|
| 1672 | Void TEncSampleAdaptiveOffset::SAOProcess(SAOParam *pcSaoParam, Double dLambdaLuma, Double dLambdaChroma) |
---|
| 1673 | #endif |
---|
| 1674 | #else |
---|
| 1675 | /** Sample adaptive offset process |
---|
| 1676 | * \param dLambda |
---|
| 1677 | */ |
---|
| 1678 | Void TEncSampleAdaptiveOffset::SAOProcess(SAOParam *pcSaoParam, Double dLambda) |
---|
| 1679 | #endif |
---|
| 1680 | { |
---|
[56] | 1681 | if(m_bUseNIF) |
---|
| 1682 | { |
---|
| 1683 | m_pcPic->getPicYuvRec()->copyToPic(m_pcYuvTmp); |
---|
| 1684 | } |
---|
| 1685 | |
---|
[608] | 1686 | m_uiSaoBitIncreaseY = max(g_bitDepthY - 10, 0); |
---|
| 1687 | m_uiSaoBitIncreaseC = max(g_bitDepthC - 10, 0); |
---|
| 1688 | m_iOffsetThY = 1 << min(g_bitDepthY - 5, 5); |
---|
| 1689 | m_iOffsetThC = 1 << min(g_bitDepthC - 5, 5); |
---|
[56] | 1690 | resetSAOParam(pcSaoParam); |
---|
[608] | 1691 | if( !m_saoLcuBasedOptimization || !m_saoLcuBoundary ) |
---|
| 1692 | { |
---|
| 1693 | resetStats(); |
---|
| 1694 | } |
---|
[56] | 1695 | Double dCostFinal = 0; |
---|
[608] | 1696 | if ( m_saoLcuBasedOptimization) |
---|
[56] | 1697 | { |
---|
[608] | 1698 | #if SAO_ENCODING_CHOICE |
---|
| 1699 | rdoSaoUnitAll(pcSaoParam, dLambdaLuma, dLambdaChroma, depth); |
---|
| 1700 | #else |
---|
[56] | 1701 | rdoSaoUnitAll(pcSaoParam, dLambdaLuma, dLambdaChroma); |
---|
[608] | 1702 | #endif |
---|
[56] | 1703 | } |
---|
| 1704 | else |
---|
| 1705 | { |
---|
| 1706 | pcSaoParam->bSaoFlag[0] = 1; |
---|
| 1707 | pcSaoParam->bSaoFlag[1] = 0; |
---|
[608] | 1708 | dCostFinal = 0; |
---|
| 1709 | Double lambdaRdo = dLambdaLuma; |
---|
| 1710 | resetStats(); |
---|
| 1711 | getSaoStats(pcSaoParam->psSaoPart[0], 0); |
---|
| 1712 | runQuadTreeDecision(pcSaoParam->psSaoPart[0], 0, dCostFinal, m_uiMaxSplitLevel, lambdaRdo, 0); |
---|
| 1713 | pcSaoParam->bSaoFlag[0] = dCostFinal < 0 ? 1:0; |
---|
| 1714 | if(pcSaoParam->bSaoFlag[0]) |
---|
[56] | 1715 | { |
---|
[608] | 1716 | convertQT2SaoUnit(pcSaoParam, 0, 0); |
---|
| 1717 | assignSaoUnitSyntax(pcSaoParam->saoLcuParam[0], pcSaoParam->psSaoPart[0], pcSaoParam->oneUnitFlag[0], 0); |
---|
[56] | 1718 | } |
---|
| 1719 | } |
---|
[608] | 1720 | if (pcSaoParam->bSaoFlag[0]) |
---|
[56] | 1721 | { |
---|
[608] | 1722 | processSaoUnitAll( pcSaoParam->saoLcuParam[0], pcSaoParam->oneUnitFlag[0], 0); |
---|
[56] | 1723 | } |
---|
[608] | 1724 | if (pcSaoParam->bSaoFlag[1]) |
---|
| 1725 | { |
---|
| 1726 | processSaoUnitAll( pcSaoParam->saoLcuParam[1], pcSaoParam->oneUnitFlag[1], 1); |
---|
| 1727 | processSaoUnitAll( pcSaoParam->saoLcuParam[2], pcSaoParam->oneUnitFlag[2], 2); |
---|
| 1728 | } |
---|
[56] | 1729 | } |
---|
| 1730 | /** Check merge SAO unit |
---|
| 1731 | * \param saoUnitCurr current SAO unit |
---|
| 1732 | * \param saoUnitCheck SAO unit tobe check |
---|
| 1733 | * \param dir direction |
---|
| 1734 | */ |
---|
| 1735 | Void TEncSampleAdaptiveOffset::checkMerge(SaoLcuParam * saoUnitCurr, SaoLcuParam * saoUnitCheck, Int dir) |
---|
| 1736 | { |
---|
| 1737 | Int i ; |
---|
| 1738 | Int countDiff = 0; |
---|
| 1739 | if (saoUnitCurr->partIdx != saoUnitCheck->partIdx) |
---|
| 1740 | { |
---|
| 1741 | if (saoUnitCurr->typeIdx !=-1) |
---|
| 1742 | { |
---|
| 1743 | if (saoUnitCurr->typeIdx == saoUnitCheck->typeIdx) |
---|
| 1744 | { |
---|
| 1745 | for (i=0;i<saoUnitCurr->length;i++) |
---|
| 1746 | { |
---|
| 1747 | countDiff += (saoUnitCurr->offset[i] != saoUnitCheck->offset[i]); |
---|
| 1748 | } |
---|
[608] | 1749 | countDiff += (saoUnitCurr->subTypeIdx != saoUnitCheck->subTypeIdx); |
---|
[56] | 1750 | if (countDiff ==0) |
---|
| 1751 | { |
---|
| 1752 | saoUnitCurr->partIdx = saoUnitCheck->partIdx; |
---|
| 1753 | if (dir == 1) |
---|
| 1754 | { |
---|
| 1755 | saoUnitCurr->mergeUpFlag = 1; |
---|
| 1756 | saoUnitCurr->mergeLeftFlag = 0; |
---|
| 1757 | } |
---|
| 1758 | else |
---|
| 1759 | { |
---|
| 1760 | saoUnitCurr->mergeUpFlag = 0; |
---|
| 1761 | saoUnitCurr->mergeLeftFlag = 1; |
---|
| 1762 | } |
---|
| 1763 | } |
---|
| 1764 | } |
---|
| 1765 | } |
---|
| 1766 | else |
---|
| 1767 | { |
---|
| 1768 | if (saoUnitCurr->typeIdx == saoUnitCheck->typeIdx) |
---|
| 1769 | { |
---|
| 1770 | saoUnitCurr->partIdx = saoUnitCheck->partIdx; |
---|
| 1771 | if (dir == 1) |
---|
| 1772 | { |
---|
| 1773 | saoUnitCurr->mergeUpFlag = 1; |
---|
| 1774 | saoUnitCurr->mergeLeftFlag = 0; |
---|
| 1775 | } |
---|
| 1776 | else |
---|
| 1777 | { |
---|
| 1778 | saoUnitCurr->mergeUpFlag = 0; |
---|
| 1779 | saoUnitCurr->mergeLeftFlag = 1; |
---|
| 1780 | } |
---|
| 1781 | } |
---|
| 1782 | } |
---|
| 1783 | } |
---|
| 1784 | } |
---|
| 1785 | /** Assign SAO unit syntax from picture-based algorithm |
---|
| 1786 | * \param saoLcuParam SAO LCU parameters |
---|
| 1787 | * \param saoPart SAO part |
---|
| 1788 | * \param oneUnitFlag SAO one unit flag |
---|
| 1789 | * \param iYCbCr color component Index |
---|
| 1790 | */ |
---|
| 1791 | Void TEncSampleAdaptiveOffset::assignSaoUnitSyntax(SaoLcuParam* saoLcuParam, SAOQTPart* saoPart, Bool &oneUnitFlag, Int yCbCr) |
---|
| 1792 | { |
---|
| 1793 | if (saoPart->bSplit == 0) |
---|
| 1794 | { |
---|
| 1795 | oneUnitFlag = 1; |
---|
| 1796 | } |
---|
| 1797 | else |
---|
| 1798 | { |
---|
| 1799 | Int i,j, addr, addrUp, addrLeft, idx, idxUp, idxLeft, idxCount; |
---|
| 1800 | |
---|
| 1801 | oneUnitFlag = 0; |
---|
| 1802 | |
---|
| 1803 | idxCount = -1; |
---|
| 1804 | saoLcuParam[0].mergeUpFlag = 0; |
---|
| 1805 | saoLcuParam[0].mergeLeftFlag = 0; |
---|
| 1806 | |
---|
| 1807 | for (j=0;j<m_iNumCuInHeight;j++) |
---|
| 1808 | { |
---|
| 1809 | for (i=0;i<m_iNumCuInWidth;i++) |
---|
| 1810 | { |
---|
| 1811 | addr = i + j*m_iNumCuInWidth; |
---|
| 1812 | addrLeft = (addr%m_iNumCuInWidth == 0) ? -1 : addr - 1; |
---|
| 1813 | addrUp = (addr<m_iNumCuInWidth) ? -1 : addr - m_iNumCuInWidth; |
---|
| 1814 | idx = saoLcuParam[addr].partIdxTmp; |
---|
| 1815 | idxLeft = (addrLeft == -1) ? -1 : saoLcuParam[addrLeft].partIdxTmp; |
---|
| 1816 | idxUp = (addrUp == -1) ? -1 : saoLcuParam[addrUp].partIdxTmp; |
---|
| 1817 | |
---|
| 1818 | if(idx!=idxLeft && idx!=idxUp) |
---|
| 1819 | { |
---|
| 1820 | saoLcuParam[addr].mergeUpFlag = 0; idxCount++; |
---|
| 1821 | saoLcuParam[addr].mergeLeftFlag = 0; |
---|
| 1822 | saoLcuParam[addr].partIdx = idxCount; |
---|
| 1823 | } |
---|
| 1824 | else if (idx==idxLeft) |
---|
| 1825 | { |
---|
| 1826 | saoLcuParam[addr].mergeUpFlag = 1; |
---|
| 1827 | saoLcuParam[addr].mergeLeftFlag = 1; |
---|
| 1828 | saoLcuParam[addr].partIdx = saoLcuParam[addrLeft].partIdx; |
---|
| 1829 | } |
---|
| 1830 | else if (idx==idxUp) |
---|
| 1831 | { |
---|
| 1832 | saoLcuParam[addr].mergeUpFlag = 1; |
---|
| 1833 | saoLcuParam[addr].mergeLeftFlag = 0; |
---|
| 1834 | saoLcuParam[addr].partIdx = saoLcuParam[addrUp].partIdx; |
---|
| 1835 | } |
---|
| 1836 | if (addrUp != -1) |
---|
| 1837 | { |
---|
| 1838 | checkMerge(&saoLcuParam[addr], &saoLcuParam[addrUp], 1); |
---|
| 1839 | } |
---|
| 1840 | if (addrLeft != -1) |
---|
| 1841 | { |
---|
| 1842 | checkMerge(&saoLcuParam[addr], &saoLcuParam[addrLeft], 0); |
---|
| 1843 | } |
---|
| 1844 | } |
---|
| 1845 | } |
---|
| 1846 | } |
---|
| 1847 | } |
---|
| 1848 | /** rate distortion optimization of all SAO units |
---|
| 1849 | * \param saoParam SAO parameters |
---|
| 1850 | * \param lambda |
---|
| 1851 | * \param lambdaChroma |
---|
| 1852 | */ |
---|
[608] | 1853 | #if SAO_ENCODING_CHOICE |
---|
| 1854 | Void TEncSampleAdaptiveOffset::rdoSaoUnitAll(SAOParam *saoParam, Double lambda, Double lambdaChroma, Int depth) |
---|
| 1855 | #else |
---|
[56] | 1856 | Void TEncSampleAdaptiveOffset::rdoSaoUnitAll(SAOParam *saoParam, Double lambda, Double lambdaChroma) |
---|
[608] | 1857 | #endif |
---|
[56] | 1858 | { |
---|
| 1859 | |
---|
| 1860 | Int idxY; |
---|
| 1861 | Int idxX; |
---|
| 1862 | Int frameHeightInCU = saoParam->numCuInHeight; |
---|
| 1863 | Int frameWidthInCU = saoParam->numCuInWidth; |
---|
| 1864 | Int j, k; |
---|
| 1865 | Int addr = 0; |
---|
| 1866 | Int addrUp = -1; |
---|
| 1867 | Int addrLeft = -1; |
---|
| 1868 | Int compIdx = 0; |
---|
[608] | 1869 | SaoLcuParam mergeSaoParam[3][2]; |
---|
| 1870 | Double compDistortion[3]; |
---|
[56] | 1871 | |
---|
| 1872 | saoParam->bSaoFlag[0] = true; |
---|
| 1873 | saoParam->bSaoFlag[1] = true; |
---|
| 1874 | saoParam->oneUnitFlag[0] = false; |
---|
| 1875 | saoParam->oneUnitFlag[1] = false; |
---|
| 1876 | saoParam->oneUnitFlag[2] = false; |
---|
| 1877 | |
---|
[608] | 1878 | #if SAO_ENCODING_CHOICE |
---|
| 1879 | #if SAO_ENCODING_CHOICE_CHROMA |
---|
| 1880 | Int numNoSao[2]; |
---|
| 1881 | numNoSao[0] = 0;// Luma |
---|
| 1882 | numNoSao[1] = 0;// Chroma |
---|
| 1883 | if( depth > 0 && m_depthSaoRate[0][depth-1] > SAO_ENCODING_RATE ) |
---|
| 1884 | { |
---|
| 1885 | saoParam->bSaoFlag[0] = false; |
---|
| 1886 | } |
---|
| 1887 | if( depth > 0 && m_depthSaoRate[1][depth-1] > SAO_ENCODING_RATE_CHROMA ) |
---|
| 1888 | { |
---|
| 1889 | saoParam->bSaoFlag[1] = false; |
---|
| 1890 | } |
---|
| 1891 | #else |
---|
| 1892 | Int numNoSao = 0; |
---|
[56] | 1893 | |
---|
[608] | 1894 | if( depth > 0 && m_depth0SaoRate > SAO_ENCODING_RATE ) |
---|
| 1895 | { |
---|
| 1896 | saoParam->bSaoFlag[0] = false; |
---|
| 1897 | saoParam->bSaoFlag[1] = false; |
---|
| 1898 | } |
---|
| 1899 | #endif |
---|
| 1900 | #endif |
---|
| 1901 | |
---|
[56] | 1902 | for (idxY = 0; idxY< frameHeightInCU; idxY++) |
---|
| 1903 | { |
---|
| 1904 | for (idxX = 0; idxX< frameWidthInCU; idxX++) |
---|
| 1905 | { |
---|
| 1906 | addr = idxX + frameWidthInCU*idxY; |
---|
| 1907 | addrUp = addr < frameWidthInCU ? -1:idxX + frameWidthInCU*(idxY-1); |
---|
| 1908 | addrLeft = idxX == 0 ? -1:idxX-1 + frameWidthInCU*idxY; |
---|
[608] | 1909 | Int allowMergeLeft = 1; |
---|
| 1910 | Int allowMergeUp = 1; |
---|
| 1911 | UInt rate; |
---|
| 1912 | Double bestCost, mergeCost; |
---|
| 1913 | if (idxX!=0) |
---|
| 1914 | { |
---|
| 1915 | // check tile id and slice id |
---|
| 1916 | if ( (m_pcPic->getPicSym()->getTileIdxMap(addr-1) != m_pcPic->getPicSym()->getTileIdxMap(addr)) || (m_pcPic->getCU(addr-1)->getSlice()->getSliceIdx() != m_pcPic->getCU(addr)->getSlice()->getSliceIdx())) |
---|
| 1917 | { |
---|
| 1918 | allowMergeLeft = 0; |
---|
| 1919 | } |
---|
| 1920 | } |
---|
| 1921 | else |
---|
| 1922 | { |
---|
| 1923 | allowMergeLeft = 0; |
---|
| 1924 | } |
---|
| 1925 | if (idxY!=0) |
---|
| 1926 | { |
---|
| 1927 | if ( (m_pcPic->getPicSym()->getTileIdxMap(addr-m_iNumCuInWidth) != m_pcPic->getPicSym()->getTileIdxMap(addr)) || (m_pcPic->getCU(addr-m_iNumCuInWidth)->getSlice()->getSliceIdx() != m_pcPic->getCU(addr)->getSlice()->getSliceIdx())) |
---|
| 1928 | { |
---|
| 1929 | allowMergeUp = 0; |
---|
| 1930 | } |
---|
| 1931 | } |
---|
| 1932 | else |
---|
| 1933 | { |
---|
| 1934 | allowMergeUp = 0; |
---|
| 1935 | } |
---|
| 1936 | |
---|
| 1937 | compDistortion[0] = 0; |
---|
| 1938 | compDistortion[1] = 0; |
---|
| 1939 | compDistortion[2] = 0; |
---|
| 1940 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_CURR_BEST]); |
---|
| 1941 | if (allowMergeLeft) |
---|
| 1942 | { |
---|
| 1943 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(0); |
---|
| 1944 | } |
---|
| 1945 | if (allowMergeUp) |
---|
| 1946 | { |
---|
| 1947 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(0); |
---|
| 1948 | } |
---|
| 1949 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_TEMP_BEST] ); |
---|
[56] | 1950 | // reset stats Y, Cb, Cr |
---|
| 1951 | for ( compIdx=0;compIdx<3;compIdx++) |
---|
| 1952 | { |
---|
| 1953 | for ( j=0;j<MAX_NUM_SAO_TYPE;j++) |
---|
| 1954 | { |
---|
| 1955 | for ( k=0;k< MAX_NUM_SAO_CLASS;k++) |
---|
| 1956 | { |
---|
| 1957 | m_iOffset [compIdx][j][k] = 0; |
---|
[608] | 1958 | if( m_saoLcuBasedOptimization && m_saoLcuBoundary ){ |
---|
| 1959 | m_iCount [compIdx][j][k] = m_count_PreDblk [addr][compIdx][j][k]; |
---|
| 1960 | m_iOffsetOrg[compIdx][j][k] = m_offsetOrg_PreDblk[addr][compIdx][j][k]; |
---|
| 1961 | } |
---|
| 1962 | else |
---|
| 1963 | { |
---|
| 1964 | m_iCount [compIdx][j][k] = 0; |
---|
| 1965 | m_iOffsetOrg[compIdx][j][k] = 0; |
---|
| 1966 | } |
---|
[56] | 1967 | } |
---|
| 1968 | } |
---|
| 1969 | saoParam->saoLcuParam[compIdx][addr].typeIdx = -1; |
---|
| 1970 | saoParam->saoLcuParam[compIdx][addr].mergeUpFlag = 0; |
---|
| 1971 | saoParam->saoLcuParam[compIdx][addr].mergeLeftFlag = 0; |
---|
[608] | 1972 | saoParam->saoLcuParam[compIdx][addr].subTypeIdx = 0; |
---|
| 1973 | #if SAO_ENCODING_CHOICE |
---|
| 1974 | if( (compIdx ==0 && saoParam->bSaoFlag[0])|| (compIdx >0 && saoParam->bSaoFlag[1]) ) |
---|
| 1975 | #endif |
---|
[56] | 1976 | { |
---|
[608] | 1977 | calcSaoStatsCu(addr, compIdx, compIdx); |
---|
| 1978 | |
---|
| 1979 | } |
---|
| 1980 | } |
---|
| 1981 | saoComponentParamDist(allowMergeLeft, allowMergeUp, saoParam, addr, addrUp, addrLeft, 0, lambda, &mergeSaoParam[0][0], &compDistortion[0]); |
---|
| 1982 | sao2ChromaParamDist(allowMergeLeft, allowMergeUp, saoParam, addr, addrUp, addrLeft, lambdaChroma, &mergeSaoParam[1][0], &mergeSaoParam[2][0], &compDistortion[0]); |
---|
| 1983 | if( saoParam->bSaoFlag[0] || saoParam->bSaoFlag[1] ) |
---|
| 1984 | { |
---|
| 1985 | // Cost of new SAO_params |
---|
| 1986 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_CURR_BEST]); |
---|
| 1987 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
| 1988 | if (allowMergeLeft) |
---|
| 1989 | { |
---|
| 1990 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(0); |
---|
| 1991 | } |
---|
| 1992 | if (allowMergeUp) |
---|
| 1993 | { |
---|
| 1994 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(0); |
---|
| 1995 | } |
---|
| 1996 | for ( compIdx=0;compIdx<3;compIdx++) |
---|
| 1997 | { |
---|
| 1998 | if( (compIdx ==0 && saoParam->bSaoFlag[0]) || (compIdx >0 && saoParam->bSaoFlag[1])) |
---|
[56] | 1999 | { |
---|
[608] | 2000 | m_pcEntropyCoder->encodeSaoOffset(&saoParam->saoLcuParam[compIdx][addr], compIdx); |
---|
[56] | 2001 | } |
---|
| 2002 | } |
---|
[608] | 2003 | |
---|
| 2004 | rate = m_pcEntropyCoder->getNumberOfWrittenBits(); |
---|
| 2005 | bestCost = compDistortion[0] + (Double)rate; |
---|
| 2006 | m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[0][CI_TEMP_BEST]); |
---|
| 2007 | |
---|
| 2008 | // Cost of Merge |
---|
| 2009 | for(Int mergeUp=0; mergeUp<2; ++mergeUp) |
---|
| 2010 | { |
---|
| 2011 | if ( (allowMergeLeft && (mergeUp==0)) || (allowMergeUp && (mergeUp==1)) ) |
---|
| 2012 | { |
---|
| 2013 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_CURR_BEST]); |
---|
| 2014 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
| 2015 | if (allowMergeLeft) |
---|
| 2016 | { |
---|
| 2017 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(1-mergeUp); |
---|
| 2018 | } |
---|
| 2019 | if ( allowMergeUp && (mergeUp==1) ) |
---|
| 2020 | { |
---|
| 2021 | m_pcEntropyCoder->m_pcEntropyCoderIf->codeSaoMerge(1); |
---|
| 2022 | } |
---|
| 2023 | |
---|
| 2024 | rate = m_pcEntropyCoder->getNumberOfWrittenBits(); |
---|
| 2025 | mergeCost = compDistortion[mergeUp+1] + (Double)rate; |
---|
| 2026 | if (mergeCost < bestCost) |
---|
| 2027 | { |
---|
| 2028 | bestCost = mergeCost; |
---|
| 2029 | m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[0][CI_TEMP_BEST]); |
---|
| 2030 | for ( compIdx=0;compIdx<3;compIdx++) |
---|
| 2031 | { |
---|
| 2032 | mergeSaoParam[compIdx][mergeUp].mergeLeftFlag = 1-mergeUp; |
---|
| 2033 | mergeSaoParam[compIdx][mergeUp].mergeUpFlag = mergeUp; |
---|
| 2034 | if( (compIdx==0 && saoParam->bSaoFlag[0]) || (compIdx>0 && saoParam->bSaoFlag[1])) |
---|
| 2035 | { |
---|
| 2036 | copySaoUnit(&saoParam->saoLcuParam[compIdx][addr], &mergeSaoParam[compIdx][mergeUp] ); |
---|
| 2037 | } |
---|
| 2038 | } |
---|
| 2039 | } |
---|
| 2040 | } |
---|
| 2041 | } |
---|
| 2042 | #if SAO_ENCODING_CHOICE |
---|
| 2043 | #if SAO_ENCODING_CHOICE_CHROMA |
---|
| 2044 | if( saoParam->saoLcuParam[0][addr].typeIdx == -1) |
---|
| 2045 | { |
---|
| 2046 | numNoSao[0]++; |
---|
| 2047 | } |
---|
| 2048 | if( saoParam->saoLcuParam[1][addr].typeIdx == -1) |
---|
| 2049 | { |
---|
| 2050 | numNoSao[1]+=2; |
---|
| 2051 | } |
---|
| 2052 | #else |
---|
| 2053 | for ( compIdx=0;compIdx<3;compIdx++) |
---|
| 2054 | { |
---|
| 2055 | if( depth == 0 && saoParam->saoLcuParam[compIdx][addr].typeIdx == -1) |
---|
| 2056 | { |
---|
| 2057 | numNoSao++; |
---|
| 2058 | } |
---|
| 2059 | } |
---|
[56] | 2060 | #endif |
---|
[608] | 2061 | #endif |
---|
| 2062 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]); |
---|
| 2063 | m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[0][CI_CURR_BEST]); |
---|
[56] | 2064 | } |
---|
| 2065 | } |
---|
| 2066 | } |
---|
[608] | 2067 | #if SAO_ENCODING_CHOICE |
---|
| 2068 | #if SAO_ENCODING_CHOICE_CHROMA |
---|
| 2069 | if( !saoParam->bSaoFlag[0]) |
---|
| 2070 | { |
---|
| 2071 | m_depthSaoRate[0][depth] = 1.0; |
---|
| 2072 | } |
---|
| 2073 | else |
---|
| 2074 | { |
---|
| 2075 | m_depthSaoRate[0][depth] = numNoSao[0]/((Double) frameHeightInCU*frameWidthInCU); |
---|
| 2076 | } |
---|
| 2077 | if( !saoParam->bSaoFlag[1]) |
---|
| 2078 | { |
---|
| 2079 | m_depthSaoRate[1][depth] = 1.0; |
---|
| 2080 | } |
---|
| 2081 | else |
---|
| 2082 | { |
---|
| 2083 | m_depthSaoRate[1][depth] = numNoSao[1]/((Double) frameHeightInCU*frameWidthInCU*2); |
---|
| 2084 | } |
---|
| 2085 | #else |
---|
| 2086 | if( depth == 0) |
---|
| 2087 | { |
---|
| 2088 | // update SAO Rate |
---|
| 2089 | m_depth0SaoRate = numNoSao/((Double) frameHeightInCU*frameWidthInCU*3); |
---|
| 2090 | } |
---|
| 2091 | #endif |
---|
| 2092 | #endif |
---|
[56] | 2093 | |
---|
| 2094 | } |
---|
| 2095 | /** rate distortion optimization of SAO unit |
---|
| 2096 | * \param saoParam SAO parameters |
---|
| 2097 | * \param addr address |
---|
| 2098 | * \param addrUp above address |
---|
| 2099 | * \param addrLeft left address |
---|
| 2100 | * \param yCbCr color component index |
---|
| 2101 | * \param lambda |
---|
| 2102 | */ |
---|
[608] | 2103 | inline Int64 TEncSampleAdaptiveOffset::estSaoTypeDist(Int compIdx, Int typeIdx, Int shift, Double lambda, Int *currentDistortionTableBo, Double *currentRdCostTableBo) |
---|
[56] | 2104 | { |
---|
[608] | 2105 | Int64 estDist = 0; |
---|
| 2106 | Int classIdx; |
---|
| 2107 | Int bitDepth = (compIdx==0) ? g_bitDepthY : g_bitDepthC; |
---|
| 2108 | Int saoBitIncrease = (compIdx==0) ? m_uiSaoBitIncreaseY : m_uiSaoBitIncreaseC; |
---|
| 2109 | Int saoOffsetTh = (compIdx==0) ? m_iOffsetThY : m_iOffsetThC; |
---|
| 2110 | |
---|
| 2111 | for(classIdx=1; classIdx < ( (typeIdx < SAO_BO) ? m_iNumClass[typeIdx]+1 : SAO_MAX_BO_CLASSES+1); classIdx++) |
---|
| 2112 | { |
---|
| 2113 | if( typeIdx == SAO_BO) |
---|
| 2114 | { |
---|
| 2115 | currentDistortionTableBo[classIdx-1] = 0; |
---|
| 2116 | currentRdCostTableBo[classIdx-1] = lambda; |
---|
| 2117 | } |
---|
| 2118 | if(m_iCount [compIdx][typeIdx][classIdx]) |
---|
| 2119 | { |
---|
| 2120 | m_iOffset[compIdx][typeIdx][classIdx] = (Int64) xRoundIbdi(bitDepth, (Double)(m_iOffsetOrg[compIdx][typeIdx][classIdx]<<(bitDepth-8)) / (Double)(m_iCount [compIdx][typeIdx][classIdx]<<saoBitIncrease)); |
---|
| 2121 | m_iOffset[compIdx][typeIdx][classIdx] = Clip3(-saoOffsetTh+1, saoOffsetTh-1, (Int)m_iOffset[compIdx][typeIdx][classIdx]); |
---|
| 2122 | if (typeIdx < 4) |
---|
| 2123 | { |
---|
| 2124 | if ( m_iOffset[compIdx][typeIdx][classIdx]<0 && classIdx<3 ) |
---|
| 2125 | { |
---|
| 2126 | m_iOffset[compIdx][typeIdx][classIdx] = 0; |
---|
| 2127 | } |
---|
| 2128 | if ( m_iOffset[compIdx][typeIdx][classIdx]>0 && classIdx>=3) |
---|
| 2129 | { |
---|
| 2130 | m_iOffset[compIdx][typeIdx][classIdx] = 0; |
---|
| 2131 | } |
---|
| 2132 | } |
---|
| 2133 | m_iOffset[compIdx][typeIdx][classIdx] = estIterOffset( typeIdx, classIdx, lambda, m_iOffset[compIdx][typeIdx][classIdx], m_iCount [compIdx][typeIdx][classIdx], m_iOffsetOrg[compIdx][typeIdx][classIdx], shift, saoBitIncrease, currentDistortionTableBo, currentRdCostTableBo, saoOffsetTh ); |
---|
| 2134 | } |
---|
| 2135 | else |
---|
| 2136 | { |
---|
| 2137 | m_iOffsetOrg[compIdx][typeIdx][classIdx] = 0; |
---|
| 2138 | m_iOffset[compIdx][typeIdx][classIdx] = 0; |
---|
| 2139 | } |
---|
| 2140 | if( typeIdx != SAO_BO ) |
---|
| 2141 | { |
---|
| 2142 | estDist += estSaoDist( m_iCount [compIdx][typeIdx][classIdx], m_iOffset[compIdx][typeIdx][classIdx] << saoBitIncrease, m_iOffsetOrg[compIdx][typeIdx][classIdx], shift); |
---|
| 2143 | } |
---|
| 2144 | |
---|
| 2145 | } |
---|
| 2146 | return estDist; |
---|
| 2147 | } |
---|
| 2148 | |
---|
| 2149 | inline Int64 TEncSampleAdaptiveOffset::estSaoDist(Int64 count, Int64 offset, Int64 offsetOrg, Int shift) |
---|
| 2150 | { |
---|
| 2151 | return (( count*offset*offset-offsetOrg*offset*2 ) >> shift); |
---|
| 2152 | } |
---|
| 2153 | inline Int64 TEncSampleAdaptiveOffset::estIterOffset(Int typeIdx, Int classIdx, Double lambda, Int64 offsetInput, Int64 count, Int64 offsetOrg, Int shift, Int bitIncrease, Int *currentDistortionTableBo, Double *currentRdCostTableBo, Int offsetTh ) |
---|
| 2154 | { |
---|
| 2155 | //Clean up, best_q_offset. |
---|
| 2156 | Int64 iterOffset, tempOffset; |
---|
| 2157 | Int64 tempDist, tempRate; |
---|
| 2158 | Double tempCost, tempMinCost; |
---|
| 2159 | Int64 offsetOutput = 0; |
---|
| 2160 | iterOffset = offsetInput; |
---|
| 2161 | // 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. |
---|
| 2162 | tempMinCost = lambda; |
---|
| 2163 | while (iterOffset != 0) |
---|
| 2164 | { |
---|
| 2165 | // Calculate the bits required for signalling the offset |
---|
| 2166 | tempRate = (typeIdx == SAO_BO) ? (abs((Int)iterOffset)+2) : (abs((Int)iterOffset)+1); |
---|
| 2167 | if (abs((Int)iterOffset)==offsetTh-1) |
---|
| 2168 | { |
---|
| 2169 | tempRate --; |
---|
| 2170 | } |
---|
| 2171 | // Do the dequntization before distorion calculation |
---|
| 2172 | tempOffset = iterOffset << bitIncrease; |
---|
| 2173 | tempDist = estSaoDist( count, tempOffset, offsetOrg, shift); |
---|
| 2174 | tempCost = ((Double)tempDist + lambda * (Double) tempRate); |
---|
| 2175 | if(tempCost < tempMinCost) |
---|
| 2176 | { |
---|
| 2177 | tempMinCost = tempCost; |
---|
| 2178 | offsetOutput = iterOffset; |
---|
| 2179 | if(typeIdx == SAO_BO) |
---|
| 2180 | { |
---|
| 2181 | currentDistortionTableBo[classIdx-1] = (Int) tempDist; |
---|
| 2182 | currentRdCostTableBo[classIdx-1] = tempCost; |
---|
| 2183 | } |
---|
| 2184 | } |
---|
| 2185 | iterOffset = (iterOffset > 0) ? (iterOffset-1):(iterOffset+1); |
---|
| 2186 | } |
---|
| 2187 | return offsetOutput; |
---|
| 2188 | } |
---|
| 2189 | |
---|
| 2190 | |
---|
| 2191 | Void TEncSampleAdaptiveOffset::saoComponentParamDist(Int allowMergeLeft, Int allowMergeUp, SAOParam *saoParam, Int addr, Int addrUp, Int addrLeft, Int yCbCr, Double lambda, SaoLcuParam *compSaoParam, Double *compDistortion) |
---|
| 2192 | { |
---|
[56] | 2193 | Int typeIdx; |
---|
| 2194 | |
---|
| 2195 | Int64 estDist; |
---|
| 2196 | Int classIdx; |
---|
[608] | 2197 | Int shift = 2 * DISTORTION_PRECISION_ADJUSTMENT(((yCbCr==0)?g_bitDepthY:g_bitDepthC)-8); |
---|
| 2198 | Int64 bestDist; |
---|
| 2199 | |
---|
| 2200 | SaoLcuParam* saoLcuParam = &(saoParam->saoLcuParam[yCbCr][addr]); |
---|
[56] | 2201 | SaoLcuParam* saoLcuParamNeighbor = NULL; |
---|
| 2202 | |
---|
[608] | 2203 | resetSaoUnit(saoLcuParam); |
---|
| 2204 | resetSaoUnit(&compSaoParam[0]); |
---|
| 2205 | resetSaoUnit(&compSaoParam[1]); |
---|
[56] | 2206 | |
---|
| 2207 | |
---|
[608] | 2208 | Double dCostPartBest = MAX_DOUBLE; |
---|
[56] | 2209 | |
---|
| 2210 | Double bestRDCostTableBo = MAX_DOUBLE; |
---|
| 2211 | Int bestClassTableBo = 0; |
---|
| 2212 | Int currentDistortionTableBo[MAX_NUM_SAO_CLASS]; |
---|
| 2213 | Double currentRdCostTableBo[MAX_NUM_SAO_CLASS]; |
---|
| 2214 | |
---|
[608] | 2215 | |
---|
| 2216 | SaoLcuParam saoLcuParamRdo; |
---|
| 2217 | Double estRate = 0; |
---|
| 2218 | |
---|
| 2219 | resetSaoUnit(&saoLcuParamRdo); |
---|
| 2220 | |
---|
| 2221 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]); |
---|
| 2222 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
| 2223 | m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo, yCbCr); |
---|
| 2224 | |
---|
| 2225 | dCostPartBest = m_pcEntropyCoder->getNumberOfWrittenBits()*lambda ; |
---|
| 2226 | copySaoUnit(saoLcuParam, &saoLcuParamRdo ); |
---|
| 2227 | bestDist = 0; |
---|
| 2228 | |
---|
| 2229 | |
---|
| 2230 | |
---|
| 2231 | for (typeIdx=0; typeIdx<MAX_NUM_SAO_TYPE; typeIdx++) |
---|
[56] | 2232 | { |
---|
[608] | 2233 | estDist = estSaoTypeDist(yCbCr, typeIdx, shift, lambda, currentDistortionTableBo, currentRdCostTableBo); |
---|
[56] | 2234 | |
---|
[608] | 2235 | if( typeIdx == SAO_BO ) |
---|
[56] | 2236 | { |
---|
[608] | 2237 | // Estimate Best Position |
---|
| 2238 | Double currentRDCost = 0.0; |
---|
| 2239 | |
---|
| 2240 | for(Int i=0; i< SAO_MAX_BO_CLASSES -SAO_BO_LEN +1; i++) |
---|
[56] | 2241 | { |
---|
[608] | 2242 | currentRDCost = 0.0; |
---|
| 2243 | for(UInt uj = i; uj < i+SAO_BO_LEN; uj++) |
---|
| 2244 | { |
---|
| 2245 | currentRDCost += currentRdCostTableBo[uj]; |
---|
| 2246 | } |
---|
| 2247 | |
---|
| 2248 | if( currentRDCost < bestRDCostTableBo) |
---|
| 2249 | { |
---|
| 2250 | bestRDCostTableBo = currentRDCost; |
---|
| 2251 | bestClassTableBo = i; |
---|
| 2252 | } |
---|
[56] | 2253 | } |
---|
[608] | 2254 | |
---|
| 2255 | // Re code all Offsets |
---|
| 2256 | // Code Center |
---|
| 2257 | estDist = 0; |
---|
| 2258 | for(classIdx = bestClassTableBo; classIdx < bestClassTableBo+SAO_BO_LEN; classIdx++) |
---|
[56] | 2259 | { |
---|
[608] | 2260 | estDist += currentDistortionTableBo[classIdx]; |
---|
[56] | 2261 | } |
---|
| 2262 | } |
---|
[608] | 2263 | resetSaoUnit(&saoLcuParamRdo); |
---|
| 2264 | saoLcuParamRdo.length = m_iNumClass[typeIdx]; |
---|
| 2265 | saoLcuParamRdo.typeIdx = typeIdx; |
---|
| 2266 | saoLcuParamRdo.mergeLeftFlag = 0; |
---|
| 2267 | saoLcuParamRdo.mergeUpFlag = 0; |
---|
| 2268 | saoLcuParamRdo.subTypeIdx = (typeIdx == SAO_BO) ? bestClassTableBo : 0; |
---|
| 2269 | for (classIdx = 0; classIdx < saoLcuParamRdo.length; classIdx++) |
---|
| 2270 | { |
---|
| 2271 | saoLcuParamRdo.offset[classIdx] = (Int)m_iOffset[yCbCr][typeIdx][classIdx+saoLcuParamRdo.subTypeIdx+1]; |
---|
| 2272 | } |
---|
| 2273 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]); |
---|
| 2274 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
| 2275 | m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo, yCbCr); |
---|
[56] | 2276 | |
---|
[608] | 2277 | estRate = m_pcEntropyCoder->getNumberOfWrittenBits(); |
---|
| 2278 | m_dCost[yCbCr][typeIdx] = (Double)((Double)estDist + lambda * (Double) estRate); |
---|
| 2279 | |
---|
| 2280 | if(m_dCost[yCbCr][typeIdx] < dCostPartBest) |
---|
[56] | 2281 | { |
---|
[608] | 2282 | dCostPartBest = m_dCost[yCbCr][typeIdx]; |
---|
| 2283 | copySaoUnit(saoLcuParam, &saoLcuParamRdo ); |
---|
| 2284 | bestDist = estDist; |
---|
| 2285 | } |
---|
| 2286 | } |
---|
| 2287 | compDistortion[0] += ((Double)bestDist/lambda); |
---|
| 2288 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]); |
---|
| 2289 | m_pcEntropyCoder->encodeSaoOffset(saoLcuParam, yCbCr); |
---|
| 2290 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_TEMP_BEST] ); |
---|
[56] | 2291 | |
---|
[608] | 2292 | |
---|
| 2293 | // merge left or merge up |
---|
| 2294 | |
---|
| 2295 | for (Int idxNeighbor=0;idxNeighbor<2;idxNeighbor++) |
---|
| 2296 | { |
---|
| 2297 | saoLcuParamNeighbor = NULL; |
---|
| 2298 | if (allowMergeLeft && addrLeft>=0 && idxNeighbor ==0) |
---|
| 2299 | { |
---|
| 2300 | saoLcuParamNeighbor = &(saoParam->saoLcuParam[yCbCr][addrLeft]); |
---|
| 2301 | } |
---|
| 2302 | else if (allowMergeUp && addrUp>=0 && idxNeighbor ==1) |
---|
| 2303 | { |
---|
| 2304 | saoLcuParamNeighbor = &(saoParam->saoLcuParam[yCbCr][addrUp]); |
---|
| 2305 | } |
---|
| 2306 | if (saoLcuParamNeighbor!=NULL) |
---|
| 2307 | { |
---|
| 2308 | estDist = 0; |
---|
| 2309 | typeIdx = saoLcuParamNeighbor->typeIdx; |
---|
| 2310 | if (typeIdx>=0) |
---|
[56] | 2311 | { |
---|
[608] | 2312 | Int mergeBandPosition = (typeIdx == SAO_BO)?saoLcuParamNeighbor->subTypeIdx:0; |
---|
| 2313 | Int merge_iOffset; |
---|
| 2314 | for(classIdx = 0; classIdx < m_iNumClass[typeIdx]; classIdx++) |
---|
[56] | 2315 | { |
---|
[608] | 2316 | merge_iOffset = saoLcuParamNeighbor->offset[classIdx]; |
---|
| 2317 | estDist += estSaoDist(m_iCount [yCbCr][typeIdx][classIdx+mergeBandPosition+1], merge_iOffset, m_iOffsetOrg[yCbCr][typeIdx][classIdx+mergeBandPosition+1], shift); |
---|
[56] | 2318 | } |
---|
[608] | 2319 | } |
---|
| 2320 | else |
---|
| 2321 | { |
---|
| 2322 | estDist = 0; |
---|
| 2323 | } |
---|
[56] | 2324 | |
---|
[608] | 2325 | copySaoUnit(&compSaoParam[idxNeighbor], saoLcuParamNeighbor ); |
---|
| 2326 | compSaoParam[idxNeighbor].mergeUpFlag = idxNeighbor; |
---|
| 2327 | compSaoParam[idxNeighbor].mergeLeftFlag = !idxNeighbor; |
---|
[56] | 2328 | |
---|
[608] | 2329 | compDistortion[idxNeighbor+1] += ((Double)estDist/lambda); |
---|
| 2330 | } |
---|
| 2331 | } |
---|
| 2332 | } |
---|
| 2333 | Void TEncSampleAdaptiveOffset::sao2ChromaParamDist(Int allowMergeLeft, Int allowMergeUp, SAOParam *saoParam, Int addr, Int addrUp, Int addrLeft, Double lambda, SaoLcuParam *crSaoParam, SaoLcuParam *cbSaoParam, Double *distortion) |
---|
| 2334 | { |
---|
| 2335 | Int typeIdx; |
---|
[56] | 2336 | |
---|
[608] | 2337 | Int64 estDist[2]; |
---|
| 2338 | Int classIdx; |
---|
| 2339 | Int shift = 2 * DISTORTION_PRECISION_ADJUSTMENT(g_bitDepthC-8); |
---|
| 2340 | Int64 bestDist = 0; |
---|
[56] | 2341 | |
---|
[608] | 2342 | SaoLcuParam* saoLcuParam[2] = {&(saoParam->saoLcuParam[1][addr]), &(saoParam->saoLcuParam[2][addr])}; |
---|
| 2343 | SaoLcuParam* saoLcuParamNeighbor[2] = {NULL, NULL}; |
---|
| 2344 | SaoLcuParam* saoMergeParam[2][2]; |
---|
| 2345 | saoMergeParam[0][0] = &crSaoParam[0]; |
---|
| 2346 | saoMergeParam[0][1] = &crSaoParam[1]; |
---|
| 2347 | saoMergeParam[1][0] = &cbSaoParam[0]; |
---|
| 2348 | saoMergeParam[1][1] = &cbSaoParam[1]; |
---|
[56] | 2349 | |
---|
[608] | 2350 | resetSaoUnit(saoLcuParam[0]); |
---|
| 2351 | resetSaoUnit(saoLcuParam[1]); |
---|
| 2352 | resetSaoUnit(saoMergeParam[0][0]); |
---|
| 2353 | resetSaoUnit(saoMergeParam[0][1]); |
---|
| 2354 | resetSaoUnit(saoMergeParam[1][0]); |
---|
| 2355 | resetSaoUnit(saoMergeParam[1][1]); |
---|
[56] | 2356 | |
---|
[608] | 2357 | |
---|
| 2358 | Double costPartBest = MAX_DOUBLE; |
---|
| 2359 | |
---|
| 2360 | Double bestRDCostTableBo; |
---|
| 2361 | Int bestClassTableBo[2] = {0, 0}; |
---|
| 2362 | Int currentDistortionTableBo[MAX_NUM_SAO_CLASS]; |
---|
| 2363 | Double currentRdCostTableBo[MAX_NUM_SAO_CLASS]; |
---|
| 2364 | |
---|
| 2365 | SaoLcuParam saoLcuParamRdo[2]; |
---|
| 2366 | Double estRate = 0; |
---|
| 2367 | |
---|
| 2368 | resetSaoUnit(&saoLcuParamRdo[0]); |
---|
| 2369 | resetSaoUnit(&saoLcuParamRdo[1]); |
---|
| 2370 | |
---|
| 2371 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]); |
---|
| 2372 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
| 2373 | m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo[0], 1); |
---|
| 2374 | m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo[1], 2); |
---|
| 2375 | |
---|
| 2376 | costPartBest = m_pcEntropyCoder->getNumberOfWrittenBits()*lambda ; |
---|
| 2377 | copySaoUnit(saoLcuParam[0], &saoLcuParamRdo[0] ); |
---|
| 2378 | copySaoUnit(saoLcuParam[1], &saoLcuParamRdo[1] ); |
---|
| 2379 | |
---|
| 2380 | for (typeIdx=0; typeIdx<MAX_NUM_SAO_TYPE; typeIdx++) |
---|
| 2381 | { |
---|
| 2382 | if( typeIdx == SAO_BO ) |
---|
| 2383 | { |
---|
| 2384 | // Estimate Best Position |
---|
| 2385 | for(Int compIdx = 0; compIdx < 2; compIdx++) |
---|
[56] | 2386 | { |
---|
| 2387 | Double currentRDCost = 0.0; |
---|
[608] | 2388 | bestRDCostTableBo = MAX_DOUBLE; |
---|
| 2389 | estDist[compIdx] = estSaoTypeDist(compIdx+1, typeIdx, shift, lambda, currentDistortionTableBo, currentRdCostTableBo); |
---|
[56] | 2390 | for(Int i=0; i< SAO_MAX_BO_CLASSES -SAO_BO_LEN +1; i++) |
---|
| 2391 | { |
---|
| 2392 | currentRDCost = 0.0; |
---|
| 2393 | for(UInt uj = i; uj < i+SAO_BO_LEN; uj++) |
---|
| 2394 | { |
---|
| 2395 | currentRDCost += currentRdCostTableBo[uj]; |
---|
| 2396 | } |
---|
| 2397 | |
---|
| 2398 | if( currentRDCost < bestRDCostTableBo) |
---|
| 2399 | { |
---|
| 2400 | bestRDCostTableBo = currentRDCost; |
---|
[608] | 2401 | bestClassTableBo[compIdx] = i; |
---|
[56] | 2402 | } |
---|
| 2403 | } |
---|
| 2404 | |
---|
| 2405 | // Re code all Offsets |
---|
| 2406 | // Code Center |
---|
[608] | 2407 | estDist[compIdx] = 0; |
---|
| 2408 | for(classIdx = bestClassTableBo[compIdx]; classIdx < bestClassTableBo[compIdx]+SAO_BO_LEN; classIdx++) |
---|
[56] | 2409 | { |
---|
[608] | 2410 | estDist[compIdx] += currentDistortionTableBo[classIdx]; |
---|
[56] | 2411 | } |
---|
| 2412 | } |
---|
[608] | 2413 | } |
---|
| 2414 | else |
---|
| 2415 | { |
---|
| 2416 | estDist[0] = estSaoTypeDist(1, typeIdx, shift, lambda, currentDistortionTableBo, currentRdCostTableBo); |
---|
| 2417 | estDist[1] = estSaoTypeDist(2, typeIdx, shift, lambda, currentDistortionTableBo, currentRdCostTableBo); |
---|
| 2418 | } |
---|
[56] | 2419 | |
---|
[608] | 2420 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]); |
---|
| 2421 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
[56] | 2422 | |
---|
[608] | 2423 | for(Int compIdx = 0; compIdx < 2; compIdx++) |
---|
| 2424 | { |
---|
| 2425 | resetSaoUnit(&saoLcuParamRdo[compIdx]); |
---|
| 2426 | saoLcuParamRdo[compIdx].length = m_iNumClass[typeIdx]; |
---|
| 2427 | saoLcuParamRdo[compIdx].typeIdx = typeIdx; |
---|
| 2428 | saoLcuParamRdo[compIdx].mergeLeftFlag = 0; |
---|
| 2429 | saoLcuParamRdo[compIdx].mergeUpFlag = 0; |
---|
| 2430 | saoLcuParamRdo[compIdx].subTypeIdx = (typeIdx == SAO_BO) ? bestClassTableBo[compIdx] : 0; |
---|
| 2431 | for (classIdx = 0; classIdx < saoLcuParamRdo[compIdx].length; classIdx++) |
---|
[56] | 2432 | { |
---|
[608] | 2433 | saoLcuParamRdo[compIdx].offset[classIdx] = (Int)m_iOffset[compIdx+1][typeIdx][classIdx+saoLcuParamRdo[compIdx].subTypeIdx+1]; |
---|
[56] | 2434 | } |
---|
[608] | 2435 | |
---|
| 2436 | m_pcEntropyCoder->encodeSaoOffset(&saoLcuParamRdo[compIdx], compIdx+1); |
---|
[56] | 2437 | } |
---|
[608] | 2438 | estRate = m_pcEntropyCoder->getNumberOfWrittenBits(); |
---|
| 2439 | m_dCost[1][typeIdx] = (Double)((Double)(estDist[0] + estDist[1]) + lambda * (Double) estRate); |
---|
| 2440 | |
---|
| 2441 | if(m_dCost[1][typeIdx] < costPartBest) |
---|
[56] | 2442 | { |
---|
[608] | 2443 | costPartBest = m_dCost[1][typeIdx]; |
---|
| 2444 | copySaoUnit(saoLcuParam[0], &saoLcuParamRdo[0] ); |
---|
| 2445 | copySaoUnit(saoLcuParam[1], &saoLcuParamRdo[1] ); |
---|
| 2446 | bestDist = (estDist[0]+estDist[1]); |
---|
[56] | 2447 | } |
---|
| 2448 | } |
---|
| 2449 | |
---|
[608] | 2450 | distortion[0] += ((Double)bestDist/lambda); |
---|
| 2451 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[0][CI_TEMP_BEST]); |
---|
| 2452 | m_pcEntropyCoder->encodeSaoOffset(saoLcuParam[0], 1); |
---|
| 2453 | m_pcEntropyCoder->encodeSaoOffset(saoLcuParam[1], 2); |
---|
| 2454 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[0][CI_TEMP_BEST] ); |
---|
| 2455 | |
---|
[56] | 2456 | // merge left or merge up |
---|
| 2457 | |
---|
| 2458 | for (Int idxNeighbor=0;idxNeighbor<2;idxNeighbor++) |
---|
| 2459 | { |
---|
[608] | 2460 | for(Int compIdx = 0; compIdx < 2; compIdx++) |
---|
[56] | 2461 | { |
---|
[608] | 2462 | saoLcuParamNeighbor[compIdx] = NULL; |
---|
| 2463 | if (allowMergeLeft && addrLeft>=0 && idxNeighbor ==0) |
---|
[56] | 2464 | { |
---|
[608] | 2465 | saoLcuParamNeighbor[compIdx] = &(saoParam->saoLcuParam[compIdx+1][addrLeft]); |
---|
| 2466 | } |
---|
| 2467 | else if (allowMergeUp && addrUp>=0 && idxNeighbor ==1) |
---|
| 2468 | { |
---|
| 2469 | saoLcuParamNeighbor[compIdx] = &(saoParam->saoLcuParam[compIdx+1][addrUp]); |
---|
| 2470 | } |
---|
| 2471 | if (saoLcuParamNeighbor[compIdx]!=NULL) |
---|
| 2472 | { |
---|
| 2473 | estDist[compIdx] = 0; |
---|
| 2474 | typeIdx = saoLcuParamNeighbor[compIdx]->typeIdx; |
---|
| 2475 | if (typeIdx>=0) |
---|
[56] | 2476 | { |
---|
[608] | 2477 | Int mergeBandPosition = (typeIdx == SAO_BO)?saoLcuParamNeighbor[compIdx]->subTypeIdx:0; |
---|
| 2478 | Int merge_iOffset; |
---|
| 2479 | for(classIdx = 0; classIdx < m_iNumClass[typeIdx]; classIdx++) |
---|
[56] | 2480 | { |
---|
[608] | 2481 | merge_iOffset = saoLcuParamNeighbor[compIdx]->offset[classIdx]; |
---|
| 2482 | estDist[compIdx] += estSaoDist(m_iCount [compIdx+1][typeIdx][classIdx+mergeBandPosition+1], merge_iOffset, m_iOffsetOrg[compIdx+1][typeIdx][classIdx+mergeBandPosition+1], shift); |
---|
[56] | 2483 | } |
---|
| 2484 | } |
---|
| 2485 | else |
---|
| 2486 | { |
---|
[608] | 2487 | estDist[compIdx] = 0; |
---|
[56] | 2488 | } |
---|
| 2489 | |
---|
[608] | 2490 | copySaoUnit(saoMergeParam[compIdx][idxNeighbor], saoLcuParamNeighbor[compIdx] ); |
---|
| 2491 | saoMergeParam[compIdx][idxNeighbor]->mergeUpFlag = idxNeighbor; |
---|
| 2492 | saoMergeParam[compIdx][idxNeighbor]->mergeLeftFlag = !idxNeighbor; |
---|
| 2493 | distortion[idxNeighbor+1] += ((Double)estDist[compIdx]/lambda); |
---|
[56] | 2494 | } |
---|
[608] | 2495 | } |
---|
[56] | 2496 | } |
---|
| 2497 | } |
---|
| 2498 | |
---|
| 2499 | //! \} |
---|