[313] | 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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[916] | 4 | * granted under this license. |
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[313] | 5 | * |
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[595] | 6 | * Copyright (c) 2010-2014, ITU/ISO/IEC |
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[313] | 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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[916] | 34 | /** |
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[313] | 35 | \file TEncSampleAdaptiveOffset.cpp |
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| 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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| 46 | |
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[540] | 47 | |
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| 48 | /** rounding with IBDI |
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| 49 | * \param x |
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| 50 | */ |
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| 51 | inline Double xRoundIbdi2(Int bitDepth, Double x) |
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| 52 | { |
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| 53 | 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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| 54 | } |
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| 55 | |
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| 56 | inline Double xRoundIbdi(Int bitDepth, Double x) |
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| 57 | { |
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| 58 | return (bitDepth > 8 ? xRoundIbdi2(bitDepth, (x)) : ((x)>=0 ? ((Int)((x)+0.5)) : ((Int)((x)-0.5)))) ; |
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| 59 | } |
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| 60 | |
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| 61 | |
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[313] | 62 | TEncSampleAdaptiveOffset::TEncSampleAdaptiveOffset() |
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| 63 | { |
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[916] | 64 | m_pppcRDSbacCoder = NULL; |
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[540] | 65 | m_pcRDGoOnSbacCoder = NULL; |
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[916] | 66 | m_pppcBinCoderCABAC = NULL; |
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[540] | 67 | m_statData = NULL; |
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| 68 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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| 69 | m_preDBFstatData = NULL; |
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| 70 | #endif |
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| 71 | } |
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| 72 | |
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| 73 | TEncSampleAdaptiveOffset::~TEncSampleAdaptiveOffset() |
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| 74 | { |
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| 75 | destroyEncData(); |
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| 76 | } |
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| 77 | |
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| 78 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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| 79 | Void TEncSampleAdaptiveOffset::createEncData(Bool isPreDBFSamplesUsed) |
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| 80 | #else |
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| 81 | Void TEncSampleAdaptiveOffset::createEncData() |
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| 82 | #endif |
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| 83 | { |
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| 84 | |
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| 85 | //cabac coder for RDO |
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| 86 | m_pppcRDSbacCoder = new TEncSbac* [NUM_SAO_CABACSTATE_LABELS]; |
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[916] | 87 | #if FAST_BIT_EST |
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[540] | 88 | m_pppcBinCoderCABAC = new TEncBinCABACCounter* [NUM_SAO_CABACSTATE_LABELS]; |
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[916] | 89 | #else |
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| 90 | m_pppcBinCoderCABAC = new TEncBinCABAC* [NUM_SAO_CABACSTATE_LABELS]; |
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| 91 | #endif |
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[540] | 92 | |
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| 93 | for(Int cs=0; cs < NUM_SAO_CABACSTATE_LABELS; cs++) |
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| 94 | { |
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| 95 | m_pppcRDSbacCoder[cs] = new TEncSbac; |
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[916] | 96 | #if FAST_BIT_EST |
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[540] | 97 | m_pppcBinCoderCABAC[cs] = new TEncBinCABACCounter; |
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[916] | 98 | #else |
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| 99 | m_pppcBinCoderCABAC[cs] = new TEncBinCABAC; |
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| 100 | #endif |
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[540] | 101 | m_pppcRDSbacCoder [cs]->init( m_pppcBinCoderCABAC [cs] ); |
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| 102 | } |
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| 103 | |
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| 104 | |
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| 105 | //statistics |
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| 106 | m_statData = new SAOStatData**[m_numCTUsPic]; |
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| 107 | for(Int i=0; i< m_numCTUsPic; i++) |
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| 108 | { |
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[916] | 109 | m_statData[i] = new SAOStatData*[MAX_NUM_COMPONENT]; |
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| 110 | for(Int compIdx=0; compIdx < MAX_NUM_COMPONENT; compIdx++) |
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[540] | 111 | { |
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| 112 | m_statData[i][compIdx] = new SAOStatData[NUM_SAO_NEW_TYPES]; |
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| 113 | } |
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| 114 | } |
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| 115 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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| 116 | if(isPreDBFSamplesUsed) |
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| 117 | { |
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| 118 | m_preDBFstatData = new SAOStatData**[m_numCTUsPic]; |
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| 119 | for(Int i=0; i< m_numCTUsPic; i++) |
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| 120 | { |
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[916] | 121 | m_preDBFstatData[i] = new SAOStatData*[MAX_NUM_COMPONENT]; |
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| 122 | for(Int compIdx=0; compIdx < MAX_NUM_COMPONENT; compIdx++) |
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[540] | 123 | { |
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| 124 | m_preDBFstatData[i][compIdx] = new SAOStatData[NUM_SAO_NEW_TYPES]; |
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| 125 | } |
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| 126 | } |
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| 127 | |
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| 128 | } |
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| 129 | #endif |
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| 130 | |
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| 131 | #if SAO_ENCODING_CHOICE |
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| 132 | ::memset(m_saoDisabledRate, 0, sizeof(m_saoDisabledRate)); |
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| 133 | #endif |
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| 134 | |
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| 135 | for(Int typeIdc=0; typeIdc < NUM_SAO_NEW_TYPES; typeIdc++) |
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| 136 | { |
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[916] | 137 | m_skipLinesR[COMPONENT_Y ][typeIdc]= 5; |
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| 138 | m_skipLinesR[COMPONENT_Cb][typeIdc]= m_skipLinesR[COMPONENT_Cr][typeIdc]= 3; |
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[540] | 139 | |
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[916] | 140 | m_skipLinesB[COMPONENT_Y ][typeIdc]= 4; |
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| 141 | m_skipLinesB[COMPONENT_Cb][typeIdc]= m_skipLinesB[COMPONENT_Cr][typeIdc]= 2; |
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[540] | 142 | |
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| 143 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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| 144 | if(isPreDBFSamplesUsed) |
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| 145 | { |
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| 146 | switch(typeIdc) |
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| 147 | { |
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| 148 | case SAO_TYPE_EO_0: |
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| 149 | { |
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[916] | 150 | m_skipLinesR[COMPONENT_Y ][typeIdc]= 5; |
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| 151 | m_skipLinesR[COMPONENT_Cb][typeIdc]= m_skipLinesR[COMPONENT_Cr][typeIdc]= 3; |
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[540] | 152 | |
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[916] | 153 | m_skipLinesB[COMPONENT_Y ][typeIdc]= 3; |
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| 154 | m_skipLinesB[COMPONENT_Cb][typeIdc]= m_skipLinesB[COMPONENT_Cr][typeIdc]= 1; |
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[540] | 155 | } |
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| 156 | break; |
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| 157 | case SAO_TYPE_EO_90: |
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| 158 | { |
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[916] | 159 | m_skipLinesR[COMPONENT_Y ][typeIdc]= 4; |
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| 160 | m_skipLinesR[COMPONENT_Cb][typeIdc]= m_skipLinesR[COMPONENT_Cr][typeIdc]= 2; |
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[540] | 161 | |
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[916] | 162 | m_skipLinesB[COMPONENT_Y ][typeIdc]= 4; |
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| 163 | m_skipLinesB[COMPONENT_Cb][typeIdc]= m_skipLinesB[COMPONENT_Cr][typeIdc]= 2; |
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[540] | 164 | } |
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| 165 | break; |
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| 166 | case SAO_TYPE_EO_135: |
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| 167 | case SAO_TYPE_EO_45: |
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| 168 | { |
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[916] | 169 | m_skipLinesR[COMPONENT_Y ][typeIdc]= 5; |
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| 170 | m_skipLinesR[COMPONENT_Cb][typeIdc]= m_skipLinesR[COMPONENT_Cr][typeIdc]= 3; |
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[540] | 171 | |
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[916] | 172 | m_skipLinesB[COMPONENT_Y ][typeIdc]= 4; |
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| 173 | m_skipLinesB[COMPONENT_Cb][typeIdc]= m_skipLinesB[COMPONENT_Cr][typeIdc]= 2; |
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[540] | 174 | } |
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| 175 | break; |
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| 176 | case SAO_TYPE_BO: |
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| 177 | { |
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[916] | 178 | m_skipLinesR[COMPONENT_Y ][typeIdc]= 4; |
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| 179 | m_skipLinesR[COMPONENT_Cb][typeIdc]= m_skipLinesR[COMPONENT_Cr][typeIdc]= 2; |
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[540] | 180 | |
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[916] | 181 | m_skipLinesB[COMPONENT_Y ][typeIdc]= 3; |
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| 182 | m_skipLinesB[COMPONENT_Cb][typeIdc]= m_skipLinesB[COMPONENT_Cr][typeIdc]= 1; |
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[540] | 183 | } |
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| 184 | break; |
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| 185 | default: |
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| 186 | { |
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| 187 | printf("Not a supported type"); |
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| 188 | assert(0); |
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| 189 | exit(-1); |
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| 190 | } |
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| 191 | } |
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| 192 | } |
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[916] | 193 | #endif |
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[540] | 194 | } |
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| 195 | |
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| 196 | } |
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| 197 | |
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| 198 | Void TEncSampleAdaptiveOffset::destroyEncData() |
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| 199 | { |
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| 200 | if(m_pppcRDSbacCoder != NULL) |
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| 201 | { |
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| 202 | for (Int cs = 0; cs < NUM_SAO_CABACSTATE_LABELS; cs ++ ) |
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| 203 | { |
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| 204 | delete m_pppcRDSbacCoder[cs]; |
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| 205 | } |
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| 206 | delete[] m_pppcRDSbacCoder; m_pppcRDSbacCoder = NULL; |
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| 207 | } |
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| 208 | |
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| 209 | if(m_pppcBinCoderCABAC != NULL) |
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| 210 | { |
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| 211 | for (Int cs = 0; cs < NUM_SAO_CABACSTATE_LABELS; cs ++ ) |
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| 212 | { |
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| 213 | delete m_pppcBinCoderCABAC[cs]; |
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| 214 | } |
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| 215 | delete[] m_pppcBinCoderCABAC; m_pppcBinCoderCABAC = NULL; |
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| 216 | } |
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| 217 | |
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| 218 | if(m_statData != NULL) |
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| 219 | { |
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| 220 | for(Int i=0; i< m_numCTUsPic; i++) |
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| 221 | { |
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[916] | 222 | for(Int compIdx=0; compIdx< MAX_NUM_COMPONENT; compIdx++) |
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[540] | 223 | { |
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| 224 | delete[] m_statData[i][compIdx]; |
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| 225 | } |
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| 226 | delete[] m_statData[i]; |
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| 227 | } |
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| 228 | delete[] m_statData; m_statData = NULL; |
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| 229 | } |
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| 230 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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| 231 | if(m_preDBFstatData != NULL) |
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| 232 | { |
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| 233 | for(Int i=0; i< m_numCTUsPic; i++) |
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| 234 | { |
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[916] | 235 | for(Int compIdx=0; compIdx< MAX_NUM_COMPONENT; compIdx++) |
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[540] | 236 | { |
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| 237 | delete[] m_preDBFstatData[i][compIdx]; |
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| 238 | } |
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| 239 | delete[] m_preDBFstatData[i]; |
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| 240 | } |
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| 241 | delete[] m_preDBFstatData; m_preDBFstatData = NULL; |
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| 242 | } |
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| 243 | |
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| 244 | #endif |
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| 245 | } |
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| 246 | |
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[916] | 247 | Void TEncSampleAdaptiveOffset::initRDOCabacCoder(TEncSbac* pcRDGoOnSbacCoder, TComSlice* pcSlice) |
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[540] | 248 | { |
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| 249 | m_pcRDGoOnSbacCoder = pcRDGoOnSbacCoder; |
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| 250 | m_pcRDGoOnSbacCoder->setSlice(pcSlice); |
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| 251 | m_pcRDGoOnSbacCoder->resetEntropy(); |
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| 252 | m_pcRDGoOnSbacCoder->resetBits(); |
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| 253 | |
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| 254 | m_pcRDGoOnSbacCoder->store( m_pppcRDSbacCoder[SAO_CABACSTATE_PIC_INIT]); |
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| 255 | } |
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| 256 | |
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| 257 | |
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| 258 | |
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| 259 | Void TEncSampleAdaptiveOffset::SAOProcess(TComPic* pPic, Bool* sliceEnabled, const Double *lambdas |
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| 260 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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| 261 | , Bool isPreDBFSamplesUsed |
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| 262 | #endif |
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| 263 | ) |
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| 264 | { |
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| 265 | TComPicYuv* orgYuv= pPic->getPicYuvOrg(); |
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| 266 | TComPicYuv* resYuv= pPic->getPicYuvRec(); |
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[916] | 267 | memcpy(m_lambda, lambdas, sizeof(m_lambda)); |
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[540] | 268 | TComPicYuv* srcYuv = m_tempPicYuv; |
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| 269 | resYuv->copyToPic(srcYuv); |
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| 270 | srcYuv->setBorderExtension(false); |
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| 271 | srcYuv->extendPicBorder(); |
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| 272 | |
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| 273 | //collect statistics |
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| 274 | getStatistics(m_statData, orgYuv, srcYuv, pPic); |
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| 275 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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| 276 | if(isPreDBFSamplesUsed) |
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| 277 | { |
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| 278 | addPreDBFStatistics(m_statData); |
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| 279 | } |
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| 280 | #endif |
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[916] | 281 | //slice on/off |
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| 282 | decidePicParams(sliceEnabled, pPic->getSlice(0)->getDepth()); |
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[540] | 283 | |
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[916] | 284 | //block on/off |
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[540] | 285 | SAOBlkParam* reconParams = new SAOBlkParam[m_numCTUsPic]; //temporary parameter buffer for storing reconstructed SAO parameters |
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| 286 | decideBlkParams(pPic, sliceEnabled, m_statData, srcYuv, resYuv, reconParams, pPic->getPicSym()->getSAOBlkParam()); |
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| 287 | delete[] reconParams; |
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| 288 | } |
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| 289 | |
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| 290 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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| 291 | Void TEncSampleAdaptiveOffset::getPreDBFStatistics(TComPic* pPic) |
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| 292 | { |
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| 293 | getStatistics(m_preDBFstatData, pPic->getPicYuvOrg(), pPic->getPicYuvRec(), pPic, true); |
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| 294 | } |
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| 295 | |
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| 296 | Void TEncSampleAdaptiveOffset::addPreDBFStatistics(SAOStatData*** blkStats) |
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| 297 | { |
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| 298 | for(Int n=0; n< m_numCTUsPic; n++) |
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| 299 | { |
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[916] | 300 | for(Int compIdx=0; compIdx < MAX_NUM_COMPONENT; compIdx++) |
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[540] | 301 | { |
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| 302 | for(Int typeIdc=0; typeIdc < NUM_SAO_NEW_TYPES; typeIdc++) |
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| 303 | { |
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| 304 | blkStats[n][compIdx][typeIdc] += m_preDBFstatData[n][compIdx][typeIdc]; |
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| 305 | } |
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| 306 | } |
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| 307 | } |
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| 308 | } |
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| 309 | |
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| 310 | #endif |
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| 311 | |
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| 312 | Void TEncSampleAdaptiveOffset::getStatistics(SAOStatData*** blkStats, TComPicYuv* orgYuv, TComPicYuv* srcYuv, TComPic* pPic |
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| 313 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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| 314 | , Bool isCalculatePreDeblockSamples |
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| 315 | #endif |
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| 316 | ) |
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| 317 | { |
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| 318 | Bool isLeftAvail,isRightAvail,isAboveAvail,isBelowAvail,isAboveLeftAvail,isAboveRightAvail,isBelowLeftAvail,isBelowRightAvail; |
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| 319 | |
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[916] | 320 | const Int numberOfComponents = getNumberValidComponents(m_chromaFormatIDC); |
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| 321 | |
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| 322 | for(Int ctuRsAddr= 0; ctuRsAddr < m_numCTUsPic; ctuRsAddr++) |
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[540] | 323 | { |
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[916] | 324 | Int yPos = (ctuRsAddr / m_numCTUInWidth)*m_maxCUHeight; |
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| 325 | Int xPos = (ctuRsAddr % m_numCTUInWidth)*m_maxCUWidth; |
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[540] | 326 | Int height = (yPos + m_maxCUHeight > m_picHeight)?(m_picHeight- yPos):m_maxCUHeight; |
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| 327 | Int width = (xPos + m_maxCUWidth > m_picWidth )?(m_picWidth - xPos):m_maxCUWidth; |
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| 328 | |
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[916] | 329 | pPic->getPicSym()->deriveLoopFilterBoundaryAvailibility(ctuRsAddr, isLeftAvail,isRightAvail,isAboveAvail,isBelowAvail,isAboveLeftAvail,isAboveRightAvail,isBelowLeftAvail,isBelowRightAvail); |
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[540] | 330 | |
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| 331 | //NOTE: The number of skipped lines during gathering CTU statistics depends on the slice boundary availabilities. |
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| 332 | //For simplicity, here only picture boundaries are considered. |
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| 333 | |
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| 334 | isRightAvail = (xPos + m_maxCUWidth < m_picWidth ); |
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| 335 | isBelowAvail = (yPos + m_maxCUHeight < m_picHeight); |
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| 336 | isBelowRightAvail = (isRightAvail && isBelowAvail); |
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| 337 | isBelowLeftAvail = ((xPos > 0) && (isBelowAvail)); |
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| 338 | isAboveRightAvail = ((yPos > 0) && (isRightAvail)); |
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| 339 | |
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[916] | 340 | for(Int compIdx = 0; compIdx < numberOfComponents; compIdx++) |
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[540] | 341 | { |
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[916] | 342 | const ComponentID component = ComponentID(compIdx); |
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[540] | 343 | |
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[916] | 344 | const UInt componentScaleX = getComponentScaleX(component, pPic->getChromaFormat()); |
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| 345 | const UInt componentScaleY = getComponentScaleY(component, pPic->getChromaFormat()); |
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[540] | 346 | |
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[916] | 347 | Int srcStride = srcYuv->getStride(component); |
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| 348 | Pel* srcBlk = srcYuv->getAddr(component) + ((yPos >> componentScaleY) * srcStride) + (xPos >> componentScaleX); |
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[540] | 349 | |
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[916] | 350 | Int orgStride = orgYuv->getStride(component); |
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| 351 | Pel* orgBlk = orgYuv->getAddr(component) + ((yPos >> componentScaleY) * orgStride) + (xPos >> componentScaleX); |
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| 352 | |
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| 353 | getBlkStats(component, blkStats[ctuRsAddr][component] |
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| 354 | , srcBlk, orgBlk, srcStride, orgStride, (width >> componentScaleX), (height >> componentScaleY) |
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[540] | 355 | , isLeftAvail, isRightAvail, isAboveAvail, isBelowAvail, isAboveLeftAvail, isAboveRightAvail, isBelowLeftAvail, isBelowRightAvail |
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| 356 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
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| 357 | , isCalculatePreDeblockSamples |
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| 358 | #endif |
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| 359 | ); |
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| 360 | |
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| 361 | } |
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| 362 | } |
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| 363 | } |
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| 364 | |
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| 365 | Void TEncSampleAdaptiveOffset::decidePicParams(Bool* sliceEnabled, Int picTempLayer) |
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| 366 | { |
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| 367 | //decide sliceEnabled[compIdx] |
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[916] | 368 | const Int numberOfComponents = getNumberValidComponents(m_chromaFormatIDC); |
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| 369 | for (Int compIdx = 0; compIdx < MAX_NUM_COMPONENT; compIdx++) |
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[540] | 370 | { |
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[916] | 371 | sliceEnabled[compIdx] = false; |
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| 372 | } |
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| 373 | |
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| 374 | for (Int compIdx = 0; compIdx < numberOfComponents; compIdx++) |
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| 375 | { |
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[540] | 376 | // reset flags & counters |
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| 377 | sliceEnabled[compIdx] = true; |
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| 378 | |
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| 379 | #if SAO_ENCODING_CHOICE |
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| 380 | #if SAO_ENCODING_CHOICE_CHROMA |
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| 381 | // decide slice-level on/off based on previous results |
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[916] | 382 | if( (picTempLayer > 0) |
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| 383 | && (m_saoDisabledRate[compIdx][picTempLayer-1] > ((compIdx==COMPONENT_Y) ? SAO_ENCODING_RATE : SAO_ENCODING_RATE_CHROMA)) ) |
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[540] | 384 | { |
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| 385 | sliceEnabled[compIdx] = false; |
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| 386 | } |
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| 387 | #else |
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| 388 | // decide slice-level on/off based on previous results |
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[916] | 389 | if( (picTempLayer > 0) |
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| 390 | && (m_saoDisabledRate[COMPONENT_Y][0] > SAO_ENCODING_RATE) ) |
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[540] | 391 | { |
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| 392 | sliceEnabled[compIdx] = false; |
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| 393 | } |
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| 394 | #endif |
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| 395 | #endif |
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| 396 | } |
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| 397 | } |
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| 398 | |
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[916] | 399 | Int64 TEncSampleAdaptiveOffset::getDistortion(ComponentID compIdx, Int typeIdc, Int typeAuxInfo, Int* invQuantOffset, SAOStatData& statData) |
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[540] | 400 | { |
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[916] | 401 | Int64 dist = 0; |
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| 402 | Int shift = 2 * DISTORTION_PRECISION_ADJUSTMENT(g_bitDepth[toChannelType(compIdx)] - 8); |
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[540] | 403 | |
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| 404 | switch(typeIdc) |
---|
| 405 | { |
---|
| 406 | case SAO_TYPE_EO_0: |
---|
| 407 | case SAO_TYPE_EO_90: |
---|
| 408 | case SAO_TYPE_EO_135: |
---|
| 409 | case SAO_TYPE_EO_45: |
---|
| 410 | { |
---|
| 411 | for (Int offsetIdx=0; offsetIdx<NUM_SAO_EO_CLASSES; offsetIdx++) |
---|
| 412 | { |
---|
| 413 | dist += estSaoDist( statData.count[offsetIdx], invQuantOffset[offsetIdx], statData.diff[offsetIdx], shift); |
---|
[916] | 414 | } |
---|
[540] | 415 | } |
---|
| 416 | break; |
---|
| 417 | case SAO_TYPE_BO: |
---|
| 418 | { |
---|
| 419 | for (Int offsetIdx=typeAuxInfo; offsetIdx<typeAuxInfo+4; offsetIdx++) |
---|
| 420 | { |
---|
[916] | 421 | Int bandIdx = offsetIdx % NUM_SAO_BO_CLASSES ; |
---|
[540] | 422 | dist += estSaoDist( statData.count[bandIdx], invQuantOffset[bandIdx], statData.diff[bandIdx], shift); |
---|
| 423 | } |
---|
| 424 | } |
---|
| 425 | break; |
---|
| 426 | default: |
---|
| 427 | { |
---|
| 428 | printf("Not a supported type"); |
---|
| 429 | assert(0); |
---|
| 430 | exit(-1); |
---|
| 431 | } |
---|
| 432 | } |
---|
| 433 | |
---|
| 434 | return dist; |
---|
| 435 | } |
---|
| 436 | |
---|
| 437 | inline Int64 TEncSampleAdaptiveOffset::estSaoDist(Int64 count, Int64 offset, Int64 diffSum, Int shift) |
---|
| 438 | { |
---|
| 439 | return (( count*offset*offset-diffSum*offset*2 ) >> shift); |
---|
| 440 | } |
---|
| 441 | |
---|
| 442 | |
---|
| 443 | inline Int TEncSampleAdaptiveOffset::estIterOffset(Int typeIdx, Int classIdx, Double lambda, Int offsetInput, Int64 count, Int64 diffSum, Int shift, Int bitIncrease, Int64& bestDist, Double& bestCost, Int offsetTh ) |
---|
| 444 | { |
---|
| 445 | Int iterOffset, tempOffset; |
---|
| 446 | Int64 tempDist, tempRate; |
---|
| 447 | Double tempCost, tempMinCost; |
---|
| 448 | Int offsetOutput = 0; |
---|
| 449 | iterOffset = offsetInput; |
---|
[916] | 450 | // 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. |
---|
| 451 | tempMinCost = lambda; |
---|
[540] | 452 | while (iterOffset != 0) |
---|
| 453 | { |
---|
| 454 | // Calculate the bits required for signaling the offset |
---|
[916] | 455 | tempRate = (typeIdx == SAO_TYPE_BO) ? (abs((Int)iterOffset)+2) : (abs((Int)iterOffset)+1); |
---|
| 456 | if (abs((Int)iterOffset)==offsetTh) //inclusive |
---|
| 457 | { |
---|
[540] | 458 | tempRate --; |
---|
| 459 | } |
---|
| 460 | // Do the dequantization before distortion calculation |
---|
| 461 | tempOffset = iterOffset << bitIncrease; |
---|
| 462 | tempDist = estSaoDist( count, tempOffset, diffSum, shift); |
---|
| 463 | tempCost = ((Double)tempDist + lambda * (Double) tempRate); |
---|
| 464 | if(tempCost < tempMinCost) |
---|
| 465 | { |
---|
| 466 | tempMinCost = tempCost; |
---|
| 467 | offsetOutput = iterOffset; |
---|
| 468 | bestDist = tempDist; |
---|
| 469 | bestCost = tempCost; |
---|
| 470 | } |
---|
| 471 | iterOffset = (iterOffset > 0) ? (iterOffset-1):(iterOffset+1); |
---|
| 472 | } |
---|
| 473 | return offsetOutput; |
---|
| 474 | } |
---|
| 475 | |
---|
[916] | 476 | Void TEncSampleAdaptiveOffset::deriveOffsets(ComponentID compIdx, Int typeIdc, SAOStatData& statData, Int* quantOffsets, Int& typeAuxInfo) |
---|
[540] | 477 | { |
---|
[916] | 478 | Int bitDepth = g_bitDepth[toChannelType(compIdx)]; |
---|
| 479 | Int shift = 2 * DISTORTION_PRECISION_ADJUSTMENT(bitDepth-8); |
---|
[644] | 480 | #if SVC_EXTENSION |
---|
| 481 | Int offsetTh = getSaoMaxOffsetQVal()[compIdx]; //inclusive |
---|
| 482 | #else |
---|
[540] | 483 | Int offsetTh = g_saoMaxOffsetQVal[compIdx]; //inclusive |
---|
[644] | 484 | #endif |
---|
[540] | 485 | |
---|
| 486 | ::memset(quantOffsets, 0, sizeof(Int)*MAX_NUM_SAO_CLASSES); |
---|
| 487 | |
---|
[916] | 488 | //derive initial offsets |
---|
[540] | 489 | Int numClasses = (typeIdc == SAO_TYPE_BO)?((Int)NUM_SAO_BO_CLASSES):((Int)NUM_SAO_EO_CLASSES); |
---|
| 490 | for(Int classIdx=0; classIdx< numClasses; classIdx++) |
---|
| 491 | { |
---|
[916] | 492 | if( (typeIdc != SAO_TYPE_BO) && (classIdx==SAO_CLASS_EO_PLAIN) ) |
---|
[540] | 493 | { |
---|
| 494 | continue; //offset will be zero |
---|
| 495 | } |
---|
| 496 | |
---|
| 497 | if(statData.count[classIdx] == 0) |
---|
| 498 | { |
---|
| 499 | continue; //offset will be zero |
---|
| 500 | } |
---|
| 501 | |
---|
[916] | 502 | quantOffsets[classIdx] = (Int) xRoundIbdi(bitDepth, (Double)( statData.diff[classIdx]<<(bitDepth-8)) |
---|
| 503 | / |
---|
[540] | 504 | (Double)( statData.count[classIdx]<< m_offsetStepLog2[compIdx]) |
---|
| 505 | ); |
---|
| 506 | quantOffsets[classIdx] = Clip3(-offsetTh, offsetTh, quantOffsets[classIdx]); |
---|
| 507 | } |
---|
| 508 | |
---|
| 509 | // adjust offsets |
---|
| 510 | switch(typeIdc) |
---|
| 511 | { |
---|
| 512 | case SAO_TYPE_EO_0: |
---|
| 513 | case SAO_TYPE_EO_90: |
---|
| 514 | case SAO_TYPE_EO_135: |
---|
| 515 | case SAO_TYPE_EO_45: |
---|
| 516 | { |
---|
| 517 | Int64 classDist; |
---|
| 518 | Double classCost; |
---|
[916] | 519 | for(Int classIdx=0; classIdx<NUM_SAO_EO_CLASSES; classIdx++) |
---|
| 520 | { |
---|
[540] | 521 | if(classIdx==SAO_CLASS_EO_FULL_VALLEY && quantOffsets[classIdx] < 0) quantOffsets[classIdx] =0; |
---|
| 522 | if(classIdx==SAO_CLASS_EO_HALF_VALLEY && quantOffsets[classIdx] < 0) quantOffsets[classIdx] =0; |
---|
| 523 | if(classIdx==SAO_CLASS_EO_HALF_PEAK && quantOffsets[classIdx] > 0) quantOffsets[classIdx] =0; |
---|
| 524 | if(classIdx==SAO_CLASS_EO_FULL_PEAK && quantOffsets[classIdx] > 0) quantOffsets[classIdx] =0; |
---|
| 525 | |
---|
| 526 | if( quantOffsets[classIdx] != 0 ) //iterative adjustment only when derived offset is not zero |
---|
| 527 | { |
---|
[595] | 528 | quantOffsets[classIdx] = estIterOffset( typeIdc, classIdx, m_lambda[compIdx], quantOffsets[classIdx], statData.count[classIdx], statData.diff[classIdx], shift, m_offsetStepLog2[compIdx], classDist , classCost , offsetTh ); |
---|
[540] | 529 | } |
---|
| 530 | } |
---|
[916] | 531 | |
---|
[540] | 532 | typeAuxInfo =0; |
---|
| 533 | } |
---|
| 534 | break; |
---|
| 535 | case SAO_TYPE_BO: |
---|
| 536 | { |
---|
| 537 | Int64 distBOClasses[NUM_SAO_BO_CLASSES]; |
---|
| 538 | Double costBOClasses[NUM_SAO_BO_CLASSES]; |
---|
| 539 | ::memset(distBOClasses, 0, sizeof(Int64)*NUM_SAO_BO_CLASSES); |
---|
| 540 | for(Int classIdx=0; classIdx< NUM_SAO_BO_CLASSES; classIdx++) |
---|
[916] | 541 | { |
---|
[595] | 542 | costBOClasses[classIdx]= m_lambda[compIdx]; |
---|
[540] | 543 | if( quantOffsets[classIdx] != 0 ) //iterative adjustment only when derived offset is not zero |
---|
| 544 | { |
---|
[595] | 545 | quantOffsets[classIdx] = estIterOffset( typeIdc, classIdx, m_lambda[compIdx], quantOffsets[classIdx], statData.count[classIdx], statData.diff[classIdx], shift, m_offsetStepLog2[compIdx], distBOClasses[classIdx], costBOClasses[classIdx], offsetTh ); |
---|
[540] | 546 | } |
---|
| 547 | } |
---|
| 548 | |
---|
| 549 | //decide the starting band index |
---|
| 550 | Double minCost = MAX_DOUBLE, cost; |
---|
[916] | 551 | for(Int band=0; band< NUM_SAO_BO_CLASSES- 4+ 1; band++) |
---|
[540] | 552 | { |
---|
| 553 | cost = costBOClasses[band ]; |
---|
| 554 | cost += costBOClasses[band+1]; |
---|
| 555 | cost += costBOClasses[band+2]; |
---|
| 556 | cost += costBOClasses[band+3]; |
---|
| 557 | |
---|
| 558 | if(cost < minCost) |
---|
| 559 | { |
---|
| 560 | minCost = cost; |
---|
| 561 | typeAuxInfo = band; |
---|
| 562 | } |
---|
| 563 | } |
---|
| 564 | //clear those unused classes |
---|
| 565 | Int clearQuantOffset[NUM_SAO_BO_CLASSES]; |
---|
| 566 | ::memset(clearQuantOffset, 0, sizeof(Int)*NUM_SAO_BO_CLASSES); |
---|
[916] | 567 | for(Int i=0; i< 4; i++) |
---|
[540] | 568 | { |
---|
| 569 | Int band = (typeAuxInfo+i)%NUM_SAO_BO_CLASSES; |
---|
| 570 | clearQuantOffset[band] = quantOffsets[band]; |
---|
| 571 | } |
---|
[916] | 572 | ::memcpy(quantOffsets, clearQuantOffset, sizeof(Int)*NUM_SAO_BO_CLASSES); |
---|
[540] | 573 | } |
---|
| 574 | break; |
---|
| 575 | default: |
---|
| 576 | { |
---|
| 577 | printf("Not a supported type"); |
---|
| 578 | assert(0); |
---|
| 579 | exit(-1); |
---|
| 580 | } |
---|
| 581 | |
---|
| 582 | } |
---|
| 583 | |
---|
| 584 | |
---|
| 585 | } |
---|
| 586 | |
---|
[916] | 587 | Void TEncSampleAdaptiveOffset::deriveModeNewRDO(Int ctuRsAddr, SAOBlkParam* mergeList[NUM_SAO_MERGE_TYPES], Bool* sliceEnabled, SAOStatData*** blkStats, SAOBlkParam& modeParam, Double& modeNormCost, TEncSbac** cabacCoderRDO, Int inCabacLabel) |
---|
[540] | 588 | { |
---|
| 589 | Double minCost, cost; |
---|
[595] | 590 | UInt previousWrittenBits; |
---|
[916] | 591 | const Int numberOfComponents = getNumberValidComponents(m_chromaFormatIDC); |
---|
| 592 | |
---|
| 593 | Int64 dist[MAX_NUM_COMPONENT], modeDist[MAX_NUM_COMPONENT]; |
---|
| 594 | SAOOffset testOffset[MAX_NUM_COMPONENT]; |
---|
[540] | 595 | Int invQuantOffset[MAX_NUM_SAO_CLASSES]; |
---|
[916] | 596 | for(Int comp=0; comp < MAX_NUM_COMPONENT; comp++) |
---|
| 597 | { |
---|
| 598 | modeDist[comp] = 0; |
---|
| 599 | } |
---|
[540] | 600 | |
---|
| 601 | //pre-encode merge flags |
---|
[916] | 602 | modeParam[COMPONENT_Y].modeIdc = SAO_MODE_OFF; |
---|
[540] | 603 | m_pcRDGoOnSbacCoder->load(cabacCoderRDO[inCabacLabel]); |
---|
[644] | 604 | #if SVC_EXTENSION |
---|
| 605 | m_pcRDGoOnSbacCoder->codeSAOBlkParam(modeParam, getSaoMaxOffsetQVal(), sliceEnabled, (mergeList[SAO_MERGE_LEFT]!= NULL), (mergeList[SAO_MERGE_ABOVE]!= NULL), true); |
---|
| 606 | #else |
---|
[540] | 607 | m_pcRDGoOnSbacCoder->codeSAOBlkParam(modeParam, sliceEnabled, (mergeList[SAO_MERGE_LEFT]!= NULL), (mergeList[SAO_MERGE_ABOVE]!= NULL), true); |
---|
[644] | 608 | #endif |
---|
[540] | 609 | m_pcRDGoOnSbacCoder->store(cabacCoderRDO[SAO_CABACSTATE_BLK_MID]); |
---|
| 610 | |
---|
[916] | 611 | //------ luma --------// |
---|
| 612 | { |
---|
| 613 | ComponentID compIdx = COMPONENT_Y; |
---|
| 614 | //"off" case as initial cost |
---|
| 615 | modeParam[compIdx].modeIdc = SAO_MODE_OFF; |
---|
| 616 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
[644] | 617 | #if SVC_EXTENSION |
---|
[916] | 618 | m_pcRDGoOnSbacCoder->codeSAOOffsetParam(compIdx, modeParam[compIdx], sliceEnabled[compIdx], getSaoMaxOffsetQVal()); |
---|
[644] | 619 | #else |
---|
[916] | 620 | m_pcRDGoOnSbacCoder->codeSAOOffsetParam(compIdx, modeParam[compIdx], sliceEnabled[compIdx]); |
---|
[644] | 621 | #endif |
---|
[916] | 622 | modeDist[compIdx] = 0; |
---|
| 623 | minCost= m_lambda[compIdx]*((Double)m_pcRDGoOnSbacCoder->getNumberOfWrittenBits()); |
---|
| 624 | m_pcRDGoOnSbacCoder->store(cabacCoderRDO[SAO_CABACSTATE_BLK_TEMP]); |
---|
| 625 | if(sliceEnabled[compIdx]) |
---|
[540] | 626 | { |
---|
[916] | 627 | for(Int typeIdc=0; typeIdc< NUM_SAO_NEW_TYPES; typeIdc++) |
---|
| 628 | { |
---|
| 629 | testOffset[compIdx].modeIdc = SAO_MODE_NEW; |
---|
| 630 | testOffset[compIdx].typeIdc = typeIdc; |
---|
[540] | 631 | |
---|
[916] | 632 | //derive coded offset |
---|
| 633 | deriveOffsets(compIdx, typeIdc, blkStats[ctuRsAddr][compIdx][typeIdc], testOffset[compIdx].offset, testOffset[compIdx].typeAuxInfo); |
---|
[540] | 634 | |
---|
[916] | 635 | //inversed quantized offsets |
---|
| 636 | invertQuantOffsets(compIdx, typeIdc, testOffset[compIdx].typeAuxInfo, invQuantOffset, testOffset[compIdx].offset); |
---|
[540] | 637 | |
---|
[916] | 638 | //get distortion |
---|
| 639 | dist[compIdx] = getDistortion(compIdx, testOffset[compIdx].typeIdc, testOffset[compIdx].typeAuxInfo, invQuantOffset, blkStats[ctuRsAddr][compIdx][typeIdc]); |
---|
[540] | 640 | |
---|
[916] | 641 | //get rate |
---|
| 642 | m_pcRDGoOnSbacCoder->load(cabacCoderRDO[SAO_CABACSTATE_BLK_MID]); |
---|
| 643 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
[644] | 644 | #if SVC_EXTENSION |
---|
[916] | 645 | m_pcRDGoOnSbacCoder->codeSAOOffsetParam(compIdx, testOffset[compIdx], sliceEnabled[compIdx], getSaoMaxOffsetQVal()); |
---|
[644] | 646 | #else |
---|
[916] | 647 | m_pcRDGoOnSbacCoder->codeSAOOffsetParam(compIdx, testOffset[compIdx], sliceEnabled[compIdx]); |
---|
[644] | 648 | #endif |
---|
[916] | 649 | Int rate = m_pcRDGoOnSbacCoder->getNumberOfWrittenBits(); |
---|
| 650 | cost = (Double)dist[compIdx] + m_lambda[compIdx]*((Double)rate); |
---|
| 651 | if(cost < minCost) |
---|
| 652 | { |
---|
| 653 | minCost = cost; |
---|
| 654 | modeDist[compIdx] = dist[compIdx]; |
---|
| 655 | modeParam[compIdx]= testOffset[compIdx]; |
---|
| 656 | m_pcRDGoOnSbacCoder->store(cabacCoderRDO[SAO_CABACSTATE_BLK_TEMP]); |
---|
| 657 | } |
---|
[540] | 658 | } |
---|
| 659 | } |
---|
[916] | 660 | m_pcRDGoOnSbacCoder->load(cabacCoderRDO[SAO_CABACSTATE_BLK_TEMP]); |
---|
| 661 | m_pcRDGoOnSbacCoder->store(cabacCoderRDO[SAO_CABACSTATE_BLK_MID]); |
---|
[540] | 662 | } |
---|
| 663 | |
---|
| 664 | //------ chroma --------// |
---|
[916] | 665 | //"off" case as initial cost |
---|
[595] | 666 | cost = 0; |
---|
| 667 | previousWrittenBits = 0; |
---|
[540] | 668 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
[916] | 669 | for(UInt componentIndex = COMPONENT_Cb; componentIndex < numberOfComponents; componentIndex++) |
---|
[595] | 670 | { |
---|
[916] | 671 | const ComponentID component = ComponentID(componentIndex); |
---|
[540] | 672 | |
---|
[916] | 673 | modeParam[component].modeIdc = SAO_MODE_OFF; |
---|
| 674 | modeDist [component] = 0; |
---|
| 675 | |
---|
[644] | 676 | #if SVC_EXTENSION |
---|
| 677 | m_pcRDGoOnSbacCoder->codeSAOOffsetParam(component, modeParam[component], sliceEnabled[component], getSaoMaxOffsetQVal()); |
---|
| 678 | #else |
---|
[595] | 679 | m_pcRDGoOnSbacCoder->codeSAOOffsetParam(component, modeParam[component], sliceEnabled[component]); |
---|
[644] | 680 | #endif |
---|
[595] | 681 | |
---|
| 682 | const UInt currentWrittenBits = m_pcRDGoOnSbacCoder->getNumberOfWrittenBits(); |
---|
| 683 | cost += m_lambda[component] * (currentWrittenBits - previousWrittenBits); |
---|
| 684 | previousWrittenBits = currentWrittenBits; |
---|
| 685 | } |
---|
| 686 | |
---|
| 687 | minCost = cost; |
---|
| 688 | |
---|
[540] | 689 | //doesn't need to store cabac status here since the whole CTU parameters will be re-encoded at the end of this function |
---|
| 690 | |
---|
| 691 | for(Int typeIdc=0; typeIdc< NUM_SAO_NEW_TYPES; typeIdc++) |
---|
| 692 | { |
---|
[595] | 693 | m_pcRDGoOnSbacCoder->load(cabacCoderRDO[SAO_CABACSTATE_BLK_MID]); |
---|
| 694 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
| 695 | previousWrittenBits = 0; |
---|
| 696 | cost = 0; |
---|
| 697 | |
---|
[916] | 698 | for(UInt componentIndex = COMPONENT_Cb; componentIndex < numberOfComponents; componentIndex++) |
---|
[540] | 699 | { |
---|
[916] | 700 | const ComponentID component = ComponentID(componentIndex); |
---|
| 701 | if(!sliceEnabled[component]) |
---|
[540] | 702 | { |
---|
[916] | 703 | testOffset[component].modeIdc = SAO_MODE_OFF; |
---|
| 704 | dist[component]= 0; |
---|
[540] | 705 | continue; |
---|
| 706 | } |
---|
[916] | 707 | testOffset[component].modeIdc = SAO_MODE_NEW; |
---|
| 708 | testOffset[component].typeIdc = typeIdc; |
---|
[540] | 709 | |
---|
| 710 | //derive offset & get distortion |
---|
[916] | 711 | deriveOffsets(component, typeIdc, blkStats[ctuRsAddr][component][typeIdc], testOffset[component].offset, testOffset[component].typeAuxInfo); |
---|
| 712 | invertQuantOffsets(component, typeIdc, testOffset[component].typeAuxInfo, invQuantOffset, testOffset[component].offset); |
---|
| 713 | dist[component] = getDistortion(component, typeIdc, testOffset[component].typeAuxInfo, invQuantOffset, blkStats[ctuRsAddr][component][typeIdc]); |
---|
[595] | 714 | |
---|
[644] | 715 | #if SVC_EXTENSION |
---|
[916] | 716 | m_pcRDGoOnSbacCoder->codeSAOOffsetParam(component, testOffset[component], sliceEnabled[component], getSaoMaxOffsetQVal()); |
---|
[644] | 717 | #else |
---|
[916] | 718 | m_pcRDGoOnSbacCoder->codeSAOOffsetParam(component, testOffset[component], sliceEnabled[component]); |
---|
[644] | 719 | #endif |
---|
[595] | 720 | |
---|
| 721 | const UInt currentWrittenBits = m_pcRDGoOnSbacCoder->getNumberOfWrittenBits(); |
---|
[916] | 722 | cost += dist[component] + (m_lambda[component] * (currentWrittenBits - previousWrittenBits)); |
---|
[595] | 723 | previousWrittenBits = currentWrittenBits; |
---|
[540] | 724 | } |
---|
| 725 | |
---|
| 726 | if(cost < minCost) |
---|
| 727 | { |
---|
| 728 | minCost = cost; |
---|
[916] | 729 | for(UInt componentIndex = COMPONENT_Cb; componentIndex < numberOfComponents; componentIndex++) |
---|
[595] | 730 | { |
---|
[916] | 731 | modeDist[componentIndex] = dist[componentIndex]; |
---|
| 732 | modeParam[componentIndex] = testOffset[componentIndex]; |
---|
[595] | 733 | } |
---|
[540] | 734 | } |
---|
| 735 | |
---|
[916] | 736 | } // SAO_TYPE loop |
---|
[540] | 737 | |
---|
| 738 | //----- re-gen rate & normalized cost----// |
---|
[595] | 739 | modeNormCost = 0; |
---|
[916] | 740 | for(UInt componentIndex = COMPONENT_Y; componentIndex < numberOfComponents; componentIndex++) |
---|
[595] | 741 | { |
---|
[916] | 742 | modeNormCost += (Double)modeDist[componentIndex] / m_lambda[componentIndex]; |
---|
[595] | 743 | } |
---|
[916] | 744 | |
---|
[540] | 745 | m_pcRDGoOnSbacCoder->load(cabacCoderRDO[inCabacLabel]); |
---|
| 746 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
[644] | 747 | #if SVC_EXTENSION |
---|
| 748 | m_pcRDGoOnSbacCoder->codeSAOBlkParam(modeParam, getSaoMaxOffsetQVal(), sliceEnabled, (mergeList[SAO_MERGE_LEFT]!= NULL), (mergeList[SAO_MERGE_ABOVE]!= NULL), false); |
---|
| 749 | #else |
---|
[540] | 750 | m_pcRDGoOnSbacCoder->codeSAOBlkParam(modeParam, sliceEnabled, (mergeList[SAO_MERGE_LEFT]!= NULL), (mergeList[SAO_MERGE_ABOVE]!= NULL), false); |
---|
[644] | 751 | #endif |
---|
[540] | 752 | modeNormCost += (Double)m_pcRDGoOnSbacCoder->getNumberOfWrittenBits(); |
---|
| 753 | } |
---|
| 754 | |
---|
[916] | 755 | Void TEncSampleAdaptiveOffset::deriveModeMergeRDO(Int ctuRsAddr, SAOBlkParam* mergeList[NUM_SAO_MERGE_TYPES], Bool* sliceEnabled, SAOStatData*** blkStats, SAOBlkParam& modeParam, Double& modeNormCost, TEncSbac** cabacCoderRDO, Int inCabacLabel) |
---|
[540] | 756 | { |
---|
| 757 | modeNormCost = MAX_DOUBLE; |
---|
| 758 | |
---|
| 759 | Double cost; |
---|
| 760 | SAOBlkParam testBlkParam; |
---|
[916] | 761 | const Int numberOfComponents = getNumberValidComponents(m_chromaFormatIDC); |
---|
[540] | 762 | |
---|
[916] | 763 | for(Int mergeType=0; mergeType< NUM_SAO_MERGE_TYPES; mergeType++) |
---|
[540] | 764 | { |
---|
| 765 | if(mergeList[mergeType] == NULL) |
---|
| 766 | { |
---|
| 767 | continue; |
---|
| 768 | } |
---|
| 769 | |
---|
| 770 | testBlkParam = *(mergeList[mergeType]); |
---|
| 771 | //normalized distortion |
---|
| 772 | Double normDist=0; |
---|
[916] | 773 | for(Int compIdx = 0; compIdx < numberOfComponents; compIdx++) |
---|
[540] | 774 | { |
---|
| 775 | testBlkParam[compIdx].modeIdc = SAO_MODE_MERGE; |
---|
| 776 | testBlkParam[compIdx].typeIdc = mergeType; |
---|
| 777 | |
---|
| 778 | SAOOffset& mergedOffsetParam = (*(mergeList[mergeType]))[compIdx]; |
---|
| 779 | |
---|
| 780 | if( mergedOffsetParam.modeIdc != SAO_MODE_OFF) |
---|
| 781 | { |
---|
| 782 | //offsets have been reconstructed. Don't call inversed quantization function. |
---|
[916] | 783 | normDist += (((Double)getDistortion(ComponentID(compIdx), mergedOffsetParam.typeIdc, mergedOffsetParam.typeAuxInfo, mergedOffsetParam.offset, blkStats[ctuRsAddr][compIdx][mergedOffsetParam.typeIdc])) |
---|
[595] | 784 | /m_lambda[compIdx] |
---|
[540] | 785 | ); |
---|
| 786 | } |
---|
| 787 | |
---|
| 788 | } |
---|
| 789 | |
---|
| 790 | //rate |
---|
| 791 | m_pcRDGoOnSbacCoder->load(cabacCoderRDO[inCabacLabel]); |
---|
| 792 | m_pcRDGoOnSbacCoder->resetBits(); |
---|
[644] | 793 | #if SVC_EXTENSION |
---|
| 794 | m_pcRDGoOnSbacCoder->codeSAOBlkParam(testBlkParam, getSaoMaxOffsetQVal(), sliceEnabled, (mergeList[SAO_MERGE_LEFT]!= NULL), (mergeList[SAO_MERGE_ABOVE]!= NULL), false); |
---|
| 795 | #else |
---|
[540] | 796 | m_pcRDGoOnSbacCoder->codeSAOBlkParam(testBlkParam, sliceEnabled, (mergeList[SAO_MERGE_LEFT]!= NULL), (mergeList[SAO_MERGE_ABOVE]!= NULL), false); |
---|
[644] | 797 | #endif |
---|
[540] | 798 | Int rate = m_pcRDGoOnSbacCoder->getNumberOfWrittenBits(); |
---|
| 799 | |
---|
| 800 | cost = normDist+(Double)rate; |
---|
| 801 | |
---|
| 802 | if(cost < modeNormCost) |
---|
| 803 | { |
---|
| 804 | modeNormCost = cost; |
---|
| 805 | modeParam = testBlkParam; |
---|
| 806 | m_pcRDGoOnSbacCoder->store(cabacCoderRDO[SAO_CABACSTATE_BLK_TEMP]); |
---|
| 807 | } |
---|
| 808 | } |
---|
| 809 | |
---|
| 810 | m_pcRDGoOnSbacCoder->load(cabacCoderRDO[SAO_CABACSTATE_BLK_TEMP]); |
---|
| 811 | } |
---|
| 812 | |
---|
| 813 | Void TEncSampleAdaptiveOffset::decideBlkParams(TComPic* pic, Bool* sliceEnabled, SAOStatData*** blkStats, TComPicYuv* srcYuv, TComPicYuv* resYuv, SAOBlkParam* reconParams, SAOBlkParam* codedParams) |
---|
| 814 | { |
---|
[916] | 815 | Bool allBlksDisabled = true; |
---|
| 816 | const Int numberOfComponents = getNumberValidComponents(m_chromaFormatIDC); |
---|
| 817 | for(Int compId = COMPONENT_Y; compId < numberOfComponents; compId++) |
---|
[540] | 818 | { |
---|
[916] | 819 | if (sliceEnabled[compId]) |
---|
| 820 | allBlksDisabled = false; |
---|
[540] | 821 | } |
---|
| 822 | |
---|
| 823 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[ SAO_CABACSTATE_PIC_INIT ]); |
---|
| 824 | |
---|
| 825 | SAOBlkParam modeParam; |
---|
| 826 | Double minCost, modeCost; |
---|
| 827 | |
---|
[916] | 828 | |
---|
| 829 | #if RD_TEST_SAO_DISABLE_AT_PICTURE_LEVEL |
---|
| 830 | Double totalCost = 0; |
---|
| 831 | #endif |
---|
| 832 | |
---|
| 833 | for(Int ctuRsAddr=0; ctuRsAddr< m_numCTUsPic; ctuRsAddr++) |
---|
[540] | 834 | { |
---|
[916] | 835 | if(allBlksDisabled) |
---|
[540] | 836 | { |
---|
[916] | 837 | codedParams[ctuRsAddr].reset(); |
---|
[540] | 838 | continue; |
---|
| 839 | } |
---|
| 840 | |
---|
| 841 | m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[ SAO_CABACSTATE_BLK_CUR ]); |
---|
| 842 | |
---|
| 843 | //get merge list |
---|
[916] | 844 | SAOBlkParam* mergeList[NUM_SAO_MERGE_TYPES] = { NULL }; |
---|
| 845 | getMergeList(pic, ctuRsAddr, reconParams, mergeList); |
---|
[540] | 846 | |
---|
| 847 | minCost = MAX_DOUBLE; |
---|
| 848 | for(Int mode=0; mode < NUM_SAO_MODES; mode++) |
---|
| 849 | { |
---|
| 850 | switch(mode) |
---|
| 851 | { |
---|
| 852 | case SAO_MODE_OFF: |
---|
| 853 | { |
---|
| 854 | continue; //not necessary, since all-off case will be tested in SAO_MODE_NEW case. |
---|
| 855 | } |
---|
| 856 | break; |
---|
| 857 | case SAO_MODE_NEW: |
---|
| 858 | { |
---|
[916] | 859 | deriveModeNewRDO(ctuRsAddr, mergeList, sliceEnabled, blkStats, modeParam, modeCost, m_pppcRDSbacCoder, SAO_CABACSTATE_BLK_CUR); |
---|
[540] | 860 | |
---|
| 861 | } |
---|
| 862 | break; |
---|
| 863 | case SAO_MODE_MERGE: |
---|
| 864 | { |
---|
[916] | 865 | deriveModeMergeRDO(ctuRsAddr, mergeList, sliceEnabled, blkStats , modeParam, modeCost, m_pppcRDSbacCoder, SAO_CABACSTATE_BLK_CUR); |
---|
[540] | 866 | } |
---|
| 867 | break; |
---|
| 868 | default: |
---|
| 869 | { |
---|
| 870 | printf("Not a supported SAO mode\n"); |
---|
| 871 | assert(0); |
---|
| 872 | exit(-1); |
---|
| 873 | } |
---|
| 874 | } |
---|
| 875 | |
---|
| 876 | if(modeCost < minCost) |
---|
| 877 | { |
---|
| 878 | minCost = modeCost; |
---|
[916] | 879 | codedParams[ctuRsAddr] = modeParam; |
---|
[540] | 880 | m_pcRDGoOnSbacCoder->store(m_pppcRDSbacCoder[ SAO_CABACSTATE_BLK_NEXT ]); |
---|
| 881 | } |
---|
| 882 | } //mode |
---|
[916] | 883 | |
---|
| 884 | #if RD_TEST_SAO_DISABLE_AT_PICTURE_LEVEL |
---|
| 885 | totalCost += minCost; |
---|
| 886 | #endif |
---|
| 887 | |
---|
[540] | 888 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[ SAO_CABACSTATE_BLK_NEXT ]); |
---|
| 889 | |
---|
| 890 | //apply reconstructed offsets |
---|
[916] | 891 | reconParams[ctuRsAddr] = codedParams[ctuRsAddr]; |
---|
| 892 | reconstructBlkSAOParam(reconParams[ctuRsAddr], mergeList); |
---|
| 893 | offsetCTU(ctuRsAddr, srcYuv, resYuv, reconParams[ctuRsAddr], pic); |
---|
| 894 | } //ctuRsAddr |
---|
[540] | 895 | |
---|
[916] | 896 | #if RD_TEST_SAO_DISABLE_AT_PICTURE_LEVEL |
---|
| 897 | if (!allBlksDisabled && (totalCost >= 0)) //SAO is not beneficial - disable it |
---|
| 898 | { |
---|
| 899 | for(Int ctuRsAddr = 0; ctuRsAddr < m_numCTUsPic; ctuRsAddr++) |
---|
| 900 | { |
---|
| 901 | codedParams[ctuRsAddr].reset(); |
---|
| 902 | } |
---|
| 903 | |
---|
| 904 | for (UInt componentIndex = 0; componentIndex < MAX_NUM_COMPONENT; componentIndex++) |
---|
| 905 | { |
---|
| 906 | sliceEnabled[componentIndex] = false; |
---|
| 907 | } |
---|
| 908 | |
---|
| 909 | m_pcRDGoOnSbacCoder->load(m_pppcRDSbacCoder[ SAO_CABACSTATE_PIC_INIT ]); |
---|
| 910 | } |
---|
| 911 | #endif |
---|
| 912 | |
---|
| 913 | #if SAO_ENCODING_CHOICE |
---|
[540] | 914 | Int picTempLayer = pic->getSlice(0)->getDepth(); |
---|
[916] | 915 | Int numCtusForSAOOff[MAX_NUM_COMPONENT]; |
---|
[540] | 916 | |
---|
[916] | 917 | for (Int compIdx = 0; compIdx < numberOfComponents; compIdx++) |
---|
[540] | 918 | { |
---|
[916] | 919 | numCtusForSAOOff[compIdx] = 0; |
---|
| 920 | for(Int ctuRsAddr=0; ctuRsAddr< m_numCTUsPic; ctuRsAddr++) |
---|
[540] | 921 | { |
---|
[916] | 922 | if( reconParams[ctuRsAddr][compIdx].modeIdc == SAO_MODE_OFF) |
---|
[540] | 923 | { |
---|
[916] | 924 | numCtusForSAOOff[compIdx]++; |
---|
[540] | 925 | } |
---|
| 926 | } |
---|
| 927 | } |
---|
| 928 | #if SAO_ENCODING_CHOICE_CHROMA |
---|
[916] | 929 | for (Int compIdx = 0; compIdx < numberOfComponents; compIdx++) |
---|
[540] | 930 | { |
---|
[916] | 931 | m_saoDisabledRate[compIdx][picTempLayer] = (Double)numCtusForSAOOff[compIdx]/(Double)m_numCTUsPic; |
---|
[540] | 932 | } |
---|
| 933 | #else |
---|
| 934 | if (picTempLayer == 0) |
---|
| 935 | { |
---|
[916] | 936 | m_saoDisabledRate[COMPONENT_Y][0] = (Double)(numCtusForSAOOff[COMPONENT_Y]+numCtusForSAOOff[COMPONENT_Cb]+numCtusForSAOOff[COMPONENT_Cr])/(Double)(m_numCTUsPic*3); |
---|
[540] | 937 | } |
---|
| 938 | #endif |
---|
[916] | 939 | #endif |
---|
[540] | 940 | } |
---|
| 941 | |
---|
| 942 | |
---|
[916] | 943 | Void TEncSampleAdaptiveOffset::getBlkStats(ComponentID compIdx, SAOStatData* statsDataTypes |
---|
[540] | 944 | , Pel* srcBlk, Pel* orgBlk, Int srcStride, Int orgStride, Int width, Int height |
---|
| 945 | , Bool isLeftAvail, Bool isRightAvail, Bool isAboveAvail, Bool isBelowAvail, Bool isAboveLeftAvail, Bool isAboveRightAvail, Bool isBelowLeftAvail, Bool isBelowRightAvail |
---|
| 946 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 947 | , Bool isCalculatePreDeblockSamples |
---|
| 948 | #endif |
---|
| 949 | ) |
---|
| 950 | { |
---|
| 951 | if(m_lineBufWidth != m_maxCUWidth) |
---|
| 952 | { |
---|
| 953 | m_lineBufWidth = m_maxCUWidth; |
---|
| 954 | |
---|
| 955 | if (m_signLineBuf1) delete[] m_signLineBuf1; m_signLineBuf1 = NULL; |
---|
[916] | 956 | m_signLineBuf1 = new Char[m_lineBufWidth+1]; |
---|
[540] | 957 | |
---|
| 958 | if (m_signLineBuf2) delete[] m_signLineBuf2; m_signLineBuf2 = NULL; |
---|
| 959 | m_signLineBuf2 = new Char[m_lineBufWidth+1]; |
---|
| 960 | } |
---|
| 961 | |
---|
| 962 | Int x,y, startX, startY, endX, endY, edgeType, firstLineStartX, firstLineEndX; |
---|
| 963 | Char signLeft, signRight, signDown; |
---|
| 964 | Int64 *diff, *count; |
---|
| 965 | Pel *srcLine, *orgLine; |
---|
| 966 | Int* skipLinesR = m_skipLinesR[compIdx]; |
---|
| 967 | Int* skipLinesB = m_skipLinesB[compIdx]; |
---|
| 968 | |
---|
| 969 | for(Int typeIdx=0; typeIdx< NUM_SAO_NEW_TYPES; typeIdx++) |
---|
| 970 | { |
---|
| 971 | SAOStatData& statsData= statsDataTypes[typeIdx]; |
---|
| 972 | statsData.reset(); |
---|
| 973 | |
---|
| 974 | srcLine = srcBlk; |
---|
| 975 | orgLine = orgBlk; |
---|
| 976 | diff = statsData.diff; |
---|
| 977 | count = statsData.count; |
---|
| 978 | switch(typeIdx) |
---|
| 979 | { |
---|
| 980 | case SAO_TYPE_EO_0: |
---|
| 981 | { |
---|
| 982 | diff +=2; |
---|
| 983 | count+=2; |
---|
| 984 | endY = (isBelowAvail) ? (height - skipLinesB[typeIdx]) : height; |
---|
| 985 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 986 | startX = (!isCalculatePreDeblockSamples) ? (isLeftAvail ? 0 : 1) |
---|
| 987 | : (isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1)) |
---|
| 988 | ; |
---|
| 989 | #else |
---|
| 990 | startX = isLeftAvail ? 0 : 1; |
---|
| 991 | #endif |
---|
| 992 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 993 | endX = (!isCalculatePreDeblockSamples) ? (isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1)) |
---|
| 994 | : (isRightAvail ? width : (width - 1)) |
---|
| 995 | ; |
---|
| 996 | #else |
---|
| 997 | endX = isRightAvail ? (width - skipLinesR[typeIdx]): (width - 1); |
---|
| 998 | #endif |
---|
| 999 | for (y=0; y<endY; y++) |
---|
| 1000 | { |
---|
[713] | 1001 | signLeft = (Char)sgn(srcLine[startX] - srcLine[startX-1]); |
---|
[540] | 1002 | for (x=startX; x<endX; x++) |
---|
| 1003 | { |
---|
[713] | 1004 | signRight = (Char)sgn(srcLine[x] - srcLine[x+1]); |
---|
[540] | 1005 | edgeType = signRight + signLeft; |
---|
| 1006 | signLeft = -signRight; |
---|
| 1007 | |
---|
| 1008 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
| 1009 | count[edgeType] ++; |
---|
| 1010 | } |
---|
| 1011 | srcLine += srcStride; |
---|
| 1012 | orgLine += orgStride; |
---|
| 1013 | } |
---|
| 1014 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 1015 | if(isCalculatePreDeblockSamples) |
---|
| 1016 | { |
---|
| 1017 | if(isBelowAvail) |
---|
| 1018 | { |
---|
| 1019 | startX = isLeftAvail ? 0 : 1; |
---|
| 1020 | endX = isRightAvail ? width : (width -1); |
---|
| 1021 | |
---|
| 1022 | for(y=0; y<skipLinesB[typeIdx]; y++) |
---|
| 1023 | { |
---|
[713] | 1024 | signLeft = (Char)sgn(srcLine[startX] - srcLine[startX-1]); |
---|
[540] | 1025 | for (x=startX; x<endX; x++) |
---|
| 1026 | { |
---|
[713] | 1027 | signRight = (Char)sgn(srcLine[x] - srcLine[x+1]); |
---|
[540] | 1028 | edgeType = signRight + signLeft; |
---|
| 1029 | signLeft = -signRight; |
---|
| 1030 | |
---|
| 1031 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
| 1032 | count[edgeType] ++; |
---|
| 1033 | } |
---|
| 1034 | srcLine += srcStride; |
---|
| 1035 | orgLine += orgStride; |
---|
| 1036 | } |
---|
| 1037 | } |
---|
| 1038 | } |
---|
| 1039 | #endif |
---|
| 1040 | } |
---|
| 1041 | break; |
---|
| 1042 | case SAO_TYPE_EO_90: |
---|
| 1043 | { |
---|
| 1044 | diff +=2; |
---|
| 1045 | count+=2; |
---|
| 1046 | Char *signUpLine = m_signLineBuf1; |
---|
| 1047 | |
---|
| 1048 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 1049 | startX = (!isCalculatePreDeblockSamples) ? 0 |
---|
| 1050 | : (isRightAvail ? (width - skipLinesR[typeIdx]) : width) |
---|
| 1051 | ; |
---|
| 1052 | #endif |
---|
| 1053 | startY = isAboveAvail ? 0 : 1; |
---|
| 1054 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
[916] | 1055 | endX = (!isCalculatePreDeblockSamples) ? (isRightAvail ? (width - skipLinesR[typeIdx]) : width) |
---|
[540] | 1056 | : width |
---|
| 1057 | ; |
---|
| 1058 | #else |
---|
| 1059 | endX = isRightAvail ? (width - skipLinesR[typeIdx]) : width ; |
---|
| 1060 | #endif |
---|
| 1061 | endY = isBelowAvail ? (height - skipLinesB[typeIdx]) : (height - 1); |
---|
| 1062 | if (!isAboveAvail) |
---|
| 1063 | { |
---|
| 1064 | srcLine += srcStride; |
---|
| 1065 | orgLine += orgStride; |
---|
| 1066 | } |
---|
| 1067 | |
---|
| 1068 | Pel* srcLineAbove = srcLine - srcStride; |
---|
| 1069 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
[916] | 1070 | for (x=startX; x<endX; x++) |
---|
[540] | 1071 | #else |
---|
[916] | 1072 | for (x=0; x< endX; x++) |
---|
[540] | 1073 | #endif |
---|
| 1074 | { |
---|
[713] | 1075 | signUpLine[x] = (Char)sgn(srcLine[x] - srcLineAbove[x]); |
---|
[540] | 1076 | } |
---|
| 1077 | |
---|
| 1078 | Pel* srcLineBelow; |
---|
| 1079 | for (y=startY; y<endY; y++) |
---|
| 1080 | { |
---|
| 1081 | srcLineBelow = srcLine + srcStride; |
---|
| 1082 | |
---|
| 1083 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 1084 | for (x=startX; x<endX; x++) |
---|
| 1085 | #else |
---|
| 1086 | for (x=0; x<endX; x++) |
---|
| 1087 | #endif |
---|
| 1088 | { |
---|
[713] | 1089 | signDown = (Char)sgn(srcLine[x] - srcLineBelow[x]); |
---|
[540] | 1090 | edgeType = signDown + signUpLine[x]; |
---|
| 1091 | signUpLine[x]= -signDown; |
---|
| 1092 | |
---|
| 1093 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
| 1094 | count[edgeType] ++; |
---|
| 1095 | } |
---|
| 1096 | srcLine += srcStride; |
---|
| 1097 | orgLine += orgStride; |
---|
| 1098 | } |
---|
| 1099 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 1100 | if(isCalculatePreDeblockSamples) |
---|
| 1101 | { |
---|
| 1102 | if(isBelowAvail) |
---|
| 1103 | { |
---|
| 1104 | startX = 0; |
---|
| 1105 | endX = width; |
---|
| 1106 | |
---|
| 1107 | for(y=0; y<skipLinesB[typeIdx]; y++) |
---|
| 1108 | { |
---|
| 1109 | srcLineBelow = srcLine + srcStride; |
---|
| 1110 | srcLineAbove = srcLine - srcStride; |
---|
| 1111 | |
---|
| 1112 | for (x=startX; x<endX; x++) |
---|
| 1113 | { |
---|
[713] | 1114 | edgeType = sgn(srcLine[x] - srcLineBelow[x]) + sgn(srcLine[x] - srcLineAbove[x]); |
---|
[540] | 1115 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
| 1116 | count[edgeType] ++; |
---|
| 1117 | } |
---|
| 1118 | srcLine += srcStride; |
---|
| 1119 | orgLine += orgStride; |
---|
| 1120 | } |
---|
| 1121 | } |
---|
| 1122 | } |
---|
| 1123 | #endif |
---|
| 1124 | |
---|
| 1125 | } |
---|
| 1126 | break; |
---|
| 1127 | case SAO_TYPE_EO_135: |
---|
| 1128 | { |
---|
| 1129 | diff +=2; |
---|
| 1130 | count+=2; |
---|
| 1131 | Char *signUpLine, *signDownLine, *signTmpLine; |
---|
| 1132 | |
---|
| 1133 | signUpLine = m_signLineBuf1; |
---|
| 1134 | signDownLine= m_signLineBuf2; |
---|
| 1135 | |
---|
| 1136 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 1137 | startX = (!isCalculatePreDeblockSamples) ? (isLeftAvail ? 0 : 1) |
---|
| 1138 | : (isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1)) |
---|
| 1139 | ; |
---|
| 1140 | #else |
---|
| 1141 | startX = isLeftAvail ? 0 : 1 ; |
---|
| 1142 | #endif |
---|
| 1143 | |
---|
| 1144 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 1145 | endX = (!isCalculatePreDeblockSamples) ? (isRightAvail ? (width - skipLinesR[typeIdx]): (width - 1)) |
---|
| 1146 | : (isRightAvail ? width : (width - 1)) |
---|
| 1147 | ; |
---|
| 1148 | #else |
---|
| 1149 | endX = isRightAvail ? (width - skipLinesR[typeIdx]): (width - 1); |
---|
| 1150 | #endif |
---|
| 1151 | endY = isBelowAvail ? (height - skipLinesB[typeIdx]) : (height - 1); |
---|
| 1152 | |
---|
| 1153 | //prepare 2nd line's upper sign |
---|
| 1154 | Pel* srcLineBelow = srcLine + srcStride; |
---|
| 1155 | for (x=startX; x<endX+1; x++) |
---|
| 1156 | { |
---|
[713] | 1157 | signUpLine[x] = (Char)sgn(srcLineBelow[x] - srcLine[x-1]); |
---|
[540] | 1158 | } |
---|
| 1159 | |
---|
| 1160 | //1st line |
---|
| 1161 | Pel* srcLineAbove = srcLine - srcStride; |
---|
| 1162 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 1163 | firstLineStartX = (!isCalculatePreDeblockSamples) ? (isAboveLeftAvail ? 0 : 1) : startX; |
---|
| 1164 | firstLineEndX = (!isCalculatePreDeblockSamples) ? (isAboveAvail ? endX : 1) : endX; |
---|
| 1165 | #else |
---|
| 1166 | firstLineStartX = isAboveLeftAvail ? 0 : 1; |
---|
| 1167 | firstLineEndX = isAboveAvail ? endX : 1; |
---|
| 1168 | #endif |
---|
| 1169 | for(x=firstLineStartX; x<firstLineEndX; x++) |
---|
| 1170 | { |
---|
[713] | 1171 | edgeType = sgn(srcLine[x] - srcLineAbove[x-1]) - signUpLine[x+1]; |
---|
[540] | 1172 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
| 1173 | count[edgeType] ++; |
---|
| 1174 | } |
---|
| 1175 | srcLine += srcStride; |
---|
| 1176 | orgLine += orgStride; |
---|
| 1177 | |
---|
| 1178 | |
---|
| 1179 | //middle lines |
---|
| 1180 | for (y=1; y<endY; y++) |
---|
| 1181 | { |
---|
| 1182 | srcLineBelow = srcLine + srcStride; |
---|
| 1183 | |
---|
| 1184 | for (x=startX; x<endX; x++) |
---|
| 1185 | { |
---|
[713] | 1186 | signDown = (Char)sgn(srcLine[x] - srcLineBelow[x+1]); |
---|
[540] | 1187 | edgeType = signDown + signUpLine[x]; |
---|
| 1188 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
| 1189 | count[edgeType] ++; |
---|
| 1190 | |
---|
[916] | 1191 | signDownLine[x+1] = -signDown; |
---|
[540] | 1192 | } |
---|
[713] | 1193 | signDownLine[startX] = (Char)sgn(srcLineBelow[startX] - srcLine[startX-1]); |
---|
[540] | 1194 | |
---|
| 1195 | signTmpLine = signUpLine; |
---|
| 1196 | signUpLine = signDownLine; |
---|
| 1197 | signDownLine = signTmpLine; |
---|
| 1198 | |
---|
| 1199 | srcLine += srcStride; |
---|
| 1200 | orgLine += orgStride; |
---|
| 1201 | } |
---|
| 1202 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 1203 | if(isCalculatePreDeblockSamples) |
---|
| 1204 | { |
---|
| 1205 | if(isBelowAvail) |
---|
| 1206 | { |
---|
| 1207 | startX = isLeftAvail ? 0 : 1 ; |
---|
| 1208 | endX = isRightAvail ? width : (width -1); |
---|
| 1209 | |
---|
| 1210 | for(y=0; y<skipLinesB[typeIdx]; y++) |
---|
| 1211 | { |
---|
| 1212 | srcLineBelow = srcLine + srcStride; |
---|
| 1213 | srcLineAbove = srcLine - srcStride; |
---|
| 1214 | |
---|
| 1215 | for (x=startX; x< endX; x++) |
---|
| 1216 | { |
---|
[713] | 1217 | edgeType = sgn(srcLine[x] - srcLineBelow[x+1]) + sgn(srcLine[x] - srcLineAbove[x-1]); |
---|
[540] | 1218 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
| 1219 | count[edgeType] ++; |
---|
| 1220 | } |
---|
| 1221 | srcLine += srcStride; |
---|
| 1222 | orgLine += orgStride; |
---|
| 1223 | } |
---|
| 1224 | } |
---|
| 1225 | } |
---|
| 1226 | #endif |
---|
| 1227 | } |
---|
| 1228 | break; |
---|
| 1229 | case SAO_TYPE_EO_45: |
---|
| 1230 | { |
---|
| 1231 | diff +=2; |
---|
| 1232 | count+=2; |
---|
| 1233 | Char *signUpLine = m_signLineBuf1+1; |
---|
| 1234 | |
---|
| 1235 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 1236 | startX = (!isCalculatePreDeblockSamples) ? (isLeftAvail ? 0 : 1) |
---|
| 1237 | : (isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1)) |
---|
| 1238 | ; |
---|
| 1239 | #else |
---|
| 1240 | startX = isLeftAvail ? 0 : 1; |
---|
| 1241 | #endif |
---|
| 1242 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 1243 | endX = (!isCalculatePreDeblockSamples) ? (isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1)) |
---|
| 1244 | : (isRightAvail ? width : (width - 1)) |
---|
| 1245 | ; |
---|
| 1246 | #else |
---|
| 1247 | endX = isRightAvail ? (width - skipLinesR[typeIdx]) : (width - 1); |
---|
| 1248 | #endif |
---|
| 1249 | endY = isBelowAvail ? (height - skipLinesB[typeIdx]) : (height - 1); |
---|
| 1250 | |
---|
| 1251 | //prepare 2nd line upper sign |
---|
| 1252 | Pel* srcLineBelow = srcLine + srcStride; |
---|
| 1253 | for (x=startX-1; x<endX; x++) |
---|
| 1254 | { |
---|
[713] | 1255 | signUpLine[x] = (Char)sgn(srcLineBelow[x] - srcLine[x+1]); |
---|
[540] | 1256 | } |
---|
| 1257 | |
---|
| 1258 | |
---|
| 1259 | //first line |
---|
| 1260 | Pel* srcLineAbove = srcLine - srcStride; |
---|
| 1261 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 1262 | firstLineStartX = (!isCalculatePreDeblockSamples) ? (isAboveAvail ? startX : endX) |
---|
| 1263 | : startX |
---|
| 1264 | ; |
---|
| 1265 | firstLineEndX = (!isCalculatePreDeblockSamples) ? ((!isRightAvail && isAboveRightAvail) ? width : endX) |
---|
| 1266 | : endX |
---|
| 1267 | ; |
---|
| 1268 | #else |
---|
| 1269 | firstLineStartX = isAboveAvail ? startX : endX; |
---|
| 1270 | firstLineEndX = (!isRightAvail && isAboveRightAvail) ? width : endX; |
---|
| 1271 | #endif |
---|
| 1272 | for(x=firstLineStartX; x<firstLineEndX; x++) |
---|
| 1273 | { |
---|
[713] | 1274 | edgeType = sgn(srcLine[x] - srcLineAbove[x+1]) - signUpLine[x-1]; |
---|
[540] | 1275 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
| 1276 | count[edgeType] ++; |
---|
| 1277 | } |
---|
| 1278 | |
---|
| 1279 | srcLine += srcStride; |
---|
| 1280 | orgLine += orgStride; |
---|
| 1281 | |
---|
| 1282 | //middle lines |
---|
| 1283 | for (y=1; y<endY; y++) |
---|
| 1284 | { |
---|
| 1285 | srcLineBelow = srcLine + srcStride; |
---|
| 1286 | |
---|
| 1287 | for(x=startX; x<endX; x++) |
---|
| 1288 | { |
---|
[713] | 1289 | signDown = (Char)sgn(srcLine[x] - srcLineBelow[x-1]); |
---|
[540] | 1290 | edgeType = signDown + signUpLine[x]; |
---|
| 1291 | |
---|
| 1292 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
| 1293 | count[edgeType] ++; |
---|
| 1294 | |
---|
[916] | 1295 | signUpLine[x-1] = -signDown; |
---|
[540] | 1296 | } |
---|
[713] | 1297 | signUpLine[endX-1] = (Char)sgn(srcLineBelow[endX-1] - srcLine[endX]); |
---|
[540] | 1298 | srcLine += srcStride; |
---|
| 1299 | orgLine += orgStride; |
---|
| 1300 | } |
---|
| 1301 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 1302 | if(isCalculatePreDeblockSamples) |
---|
| 1303 | { |
---|
| 1304 | if(isBelowAvail) |
---|
| 1305 | { |
---|
| 1306 | startX = isLeftAvail ? 0 : 1 ; |
---|
| 1307 | endX = isRightAvail ? width : (width -1); |
---|
| 1308 | |
---|
| 1309 | for(y=0; y<skipLinesB[typeIdx]; y++) |
---|
| 1310 | { |
---|
| 1311 | srcLineBelow = srcLine + srcStride; |
---|
| 1312 | srcLineAbove = srcLine - srcStride; |
---|
| 1313 | |
---|
| 1314 | for (x=startX; x<endX; x++) |
---|
| 1315 | { |
---|
[713] | 1316 | edgeType = sgn(srcLine[x] - srcLineBelow[x-1]) + sgn(srcLine[x] - srcLineAbove[x+1]); |
---|
[540] | 1317 | diff [edgeType] += (orgLine[x] - srcLine[x]); |
---|
| 1318 | count[edgeType] ++; |
---|
| 1319 | } |
---|
| 1320 | srcLine += srcStride; |
---|
| 1321 | orgLine += orgStride; |
---|
| 1322 | } |
---|
| 1323 | } |
---|
| 1324 | } |
---|
| 1325 | #endif |
---|
| 1326 | } |
---|
| 1327 | break; |
---|
| 1328 | case SAO_TYPE_BO: |
---|
| 1329 | { |
---|
| 1330 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 1331 | startX = (!isCalculatePreDeblockSamples)?0 |
---|
| 1332 | :( isRightAvail?(width- skipLinesR[typeIdx]):width) |
---|
| 1333 | ; |
---|
| 1334 | endX = (!isCalculatePreDeblockSamples)?(isRightAvail ? (width - skipLinesR[typeIdx]) : width ) |
---|
| 1335 | :width |
---|
| 1336 | ; |
---|
| 1337 | #else |
---|
| 1338 | endX = isRightAvail ? (width- skipLinesR[typeIdx]) : width; |
---|
| 1339 | #endif |
---|
| 1340 | endY = isBelowAvail ? (height- skipLinesB[typeIdx]) : height; |
---|
[916] | 1341 | Int shiftBits = g_bitDepth[toChannelType(compIdx)] - NUM_SAO_BO_CLASSES_LOG2; |
---|
[540] | 1342 | for (y=0; y< endY; y++) |
---|
| 1343 | { |
---|
| 1344 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 1345 | for (x=startX; x< endX; x++) |
---|
| 1346 | #else |
---|
| 1347 | for (x=0; x< endX; x++) |
---|
| 1348 | #endif |
---|
| 1349 | { |
---|
| 1350 | |
---|
[916] | 1351 | Int bandIdx= srcLine[x] >> shiftBits; |
---|
[540] | 1352 | diff [bandIdx] += (orgLine[x] - srcLine[x]); |
---|
| 1353 | count[bandIdx] ++; |
---|
| 1354 | } |
---|
| 1355 | srcLine += srcStride; |
---|
| 1356 | orgLine += orgStride; |
---|
| 1357 | } |
---|
| 1358 | #if SAO_ENCODE_ALLOW_USE_PREDEBLOCK |
---|
| 1359 | if(isCalculatePreDeblockSamples) |
---|
| 1360 | { |
---|
| 1361 | if(isBelowAvail) |
---|
| 1362 | { |
---|
| 1363 | startX = 0; |
---|
| 1364 | endX = width; |
---|
| 1365 | |
---|
| 1366 | for(y= 0; y< skipLinesB[typeIdx]; y++) |
---|
| 1367 | { |
---|
| 1368 | for (x=startX; x< endX; x++) |
---|
| 1369 | { |
---|
[916] | 1370 | Int bandIdx= srcLine[x] >> shiftBits; |
---|
[540] | 1371 | diff [bandIdx] += (orgLine[x] - srcLine[x]); |
---|
| 1372 | count[bandIdx] ++; |
---|
| 1373 | } |
---|
| 1374 | srcLine += srcStride; |
---|
| 1375 | orgLine += orgStride; |
---|
| 1376 | |
---|
| 1377 | } |
---|
| 1378 | |
---|
| 1379 | } |
---|
| 1380 | } |
---|
| 1381 | #endif |
---|
| 1382 | } |
---|
| 1383 | break; |
---|
| 1384 | default: |
---|
| 1385 | { |
---|
| 1386 | printf("Not a supported SAO types\n"); |
---|
| 1387 | assert(0); |
---|
| 1388 | exit(-1); |
---|
| 1389 | } |
---|
| 1390 | } |
---|
| 1391 | } |
---|
| 1392 | } |
---|
| 1393 | |
---|
[916] | 1394 | |
---|
[313] | 1395 | //! \} |
---|