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