1 | /* The copyright in this software is being made available under the BSD |
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2 | * License, included below. This software may be subject to other third party |
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3 | * and contributor rights, including patent rights, and no such rights are |
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4 | * granted under this license. |
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5 | * |
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6 | * Copyright (c) 2010-2017, ITU/ISO/IEC |
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7 | * All rights reserved. |
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8 | * |
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9 | * Redistribution and use in source and binary forms, with or without |
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10 | * modification, are permitted provided that the following conditions are met: |
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11 | * |
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12 | * * Redistributions of source code must retain the above copyright notice, |
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13 | * this list of conditions and the following disclaimer. |
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14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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15 | * this list of conditions and the following disclaimer in the documentation |
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16 | * and/or other materials provided with the distribution. |
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17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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18 | * be used to endorse or promote products derived from this software without |
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19 | * specific prior written permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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32 | */ |
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33 | |
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34 | /** \file TEncPic.cpp |
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35 | \brief class of picture which includes side information for encoder |
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36 | */ |
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37 | |
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38 | #include "TEncPic.h" |
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39 | |
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40 | //! \ingroup TLibEncoder |
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41 | //! \{ |
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42 | |
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43 | /** Constructor |
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44 | */ |
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45 | TEncQPAdaptationUnit::TEncQPAdaptationUnit() |
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46 | : m_dActivity(0.0) |
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47 | { |
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48 | } |
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49 | |
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50 | /** Destructor |
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51 | */ |
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52 | TEncQPAdaptationUnit::~TEncQPAdaptationUnit() |
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53 | { |
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54 | } |
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55 | |
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56 | /** Constructor |
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57 | */ |
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58 | TEncPicQPAdaptationLayer::TEncPicQPAdaptationLayer() |
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59 | : m_uiAQPartWidth(0) |
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60 | , m_uiAQPartHeight(0) |
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61 | , m_uiNumAQPartInWidth(0) |
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62 | , m_uiNumAQPartInHeight(0) |
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63 | , m_acTEncAQU(NULL) |
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64 | , m_dAvgActivity(0.0) |
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65 | { |
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66 | } |
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67 | |
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68 | /** Destructor |
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69 | */ |
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70 | TEncPicQPAdaptationLayer::~TEncPicQPAdaptationLayer() |
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71 | { |
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72 | destroy(); |
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73 | } |
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74 | |
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75 | /** Initialize member variables |
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76 | * \param iWidth Picture width |
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77 | * \param iHeight Picture height |
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78 | * \param uiAQPartWidth Width of unit block for analyzing local image characteristics |
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79 | * \param uiAQPartHeight Height of unit block for analyzing local image characteristics |
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80 | * \return Void |
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81 | */ |
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82 | Void TEncPicQPAdaptationLayer::create( Int iWidth, Int iHeight, UInt uiAQPartWidth, UInt uiAQPartHeight ) |
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83 | { |
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84 | m_uiAQPartWidth = uiAQPartWidth; |
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85 | m_uiAQPartHeight = uiAQPartHeight; |
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86 | m_uiNumAQPartInWidth = (iWidth + m_uiAQPartWidth-1) / m_uiAQPartWidth; |
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87 | m_uiNumAQPartInHeight = (iHeight + m_uiAQPartHeight-1) / m_uiAQPartHeight; |
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88 | m_acTEncAQU = new TEncQPAdaptationUnit[ m_uiNumAQPartInWidth * m_uiNumAQPartInHeight ]; |
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89 | } |
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90 | |
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91 | /** Clean up |
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92 | * \return Void |
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93 | */ |
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94 | Void TEncPicQPAdaptationLayer::destroy() |
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95 | { |
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96 | if (m_acTEncAQU) |
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97 | { |
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98 | delete[] m_acTEncAQU; |
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99 | m_acTEncAQU = NULL; |
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100 | } |
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101 | } |
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102 | |
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103 | /** Constructor |
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104 | */ |
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105 | TEncPic::TEncPic() |
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106 | : m_acAQLayer(NULL) |
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107 | , m_uiMaxAQDepth(0) |
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108 | { |
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109 | } |
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110 | |
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111 | /** Destructor |
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112 | */ |
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113 | TEncPic::~TEncPic() |
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114 | { |
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115 | destroy(); |
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116 | } |
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117 | |
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118 | /** Initialize member variables |
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119 | * \param sps reference to used SPS |
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120 | * \param pps reference to used PPS |
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121 | * \param uiMaxAdaptiveQPDepth Maximum depth of unit block for assigning QP adaptive to local image characteristics |
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122 | * \param bIsVirtual |
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123 | */ |
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124 | #if REDUCED_ENCODER_MEMORY |
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125 | Void TEncPic::create( const TComSPS &sps, const TComPPS &pps, UInt uiMaxAdaptiveQPDepth ) |
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126 | { |
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127 | TComPic::create( sps, pps, true, false ); |
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128 | #else |
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129 | Void TEncPic::create( const TComSPS &sps, const TComPPS &pps, UInt uiMaxAdaptiveQPDepth, Bool bIsVirtual ) |
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130 | { |
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131 | TComPic::create( sps, pps, bIsVirtual ); |
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132 | #endif |
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133 | const Int iWidth = sps.getPicWidthInLumaSamples(); |
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134 | const Int iHeight = sps.getPicHeightInLumaSamples(); |
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135 | const UInt uiMaxWidth = sps.getMaxCUWidth(); |
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136 | const UInt uiMaxHeight = sps.getMaxCUHeight(); |
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137 | m_uiMaxAQDepth = uiMaxAdaptiveQPDepth; |
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138 | if ( uiMaxAdaptiveQPDepth > 0 ) |
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139 | { |
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140 | m_acAQLayer = new TEncPicQPAdaptationLayer[ m_uiMaxAQDepth ]; |
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141 | for (UInt d = 0; d < m_uiMaxAQDepth; d++) |
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142 | { |
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143 | m_acAQLayer[d].create( iWidth, iHeight, uiMaxWidth>>d, uiMaxHeight>>d ); |
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144 | } |
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145 | } |
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146 | } |
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147 | |
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148 | //! Clean up |
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149 | Void TEncPic::destroy() |
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150 | { |
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151 | if (m_acAQLayer) |
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152 | { |
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153 | delete[] m_acAQLayer; |
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154 | m_acAQLayer = NULL; |
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155 | } |
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156 | TComPic::destroy(); |
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157 | } |
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158 | //! \} |
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159 | |
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