| 1 | /* The copyright in this software is being made available under the BSD |
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| 2 | * License, included below. This software may be subject to other third party |
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| 3 | * and contributor rights, including patent rights, and no such rights are |
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| 4 | * granted under this license. |
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| 5 | * |
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| 6 | * Copyright (c) 2010-2012, ITU/ISO/IEC |
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| 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions are met: |
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| 11 | * |
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| 12 | * * Redistributions of source code must retain the above copyright notice, |
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| 13 | * this list of conditions and the following disclaimer. |
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| 14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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| 15 | * this list of conditions and the following disclaimer in the documentation |
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| 16 | * and/or other materials provided with the distribution. |
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| 17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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| 18 | * be used to endorse or promote products derived from this software without |
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| 19 | * specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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| 31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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| 33 | |
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| 34 | /** \file 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 iWidth Picture width |
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| 120 | * \param iHeight Picture height |
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| 121 | * \param uiMaxWidth Maximum CU width |
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| 122 | * \param uiMaxHeight Maximum CU height |
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| 123 | * \param uiMaxDepth Maximum CU depth |
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| 124 | * \param uiMaxAQDepth Maximum depth of unit block for assigning QP adaptive to local image characteristics |
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| 125 | * \param bIsVirtual |
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| 126 | * \return Void |
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| 127 | */ |
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| 128 | Void TEncPic::create( Int iWidth, Int iHeight, UInt uiMaxWidth, UInt uiMaxHeight, UInt uiMaxDepth, UInt uiMaxAQDepth, Bool bIsVirtual ) |
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| 129 | { |
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| 130 | TComPic::create( iWidth, iHeight, uiMaxWidth, uiMaxHeight, uiMaxDepth, bIsVirtual ); |
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| 131 | m_uiMaxAQDepth = uiMaxAQDepth; |
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| 132 | if ( uiMaxAQDepth > 0 ) |
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| 133 | { |
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| 134 | m_acAQLayer = new TEncPicQPAdaptationLayer[ m_uiMaxAQDepth ]; |
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| 135 | for (UInt d = 0; d < m_uiMaxAQDepth; d++) |
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| 136 | { |
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| 137 | m_acAQLayer[d].create( iWidth, iHeight, uiMaxWidth>>d, uiMaxHeight>>d ); |
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| 138 | } |
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| 139 | } |
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| 140 | } |
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| 141 | |
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| 142 | /** Clean up |
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| 143 | * \return Void |
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| 144 | */ |
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| 145 | Void TEncPic::destroy() |
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| 146 | { |
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| 147 | if (m_acAQLayer) |
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| 148 | { |
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| 149 | delete[] m_acAQLayer; |
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| 150 | m_acAQLayer = NULL; |
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| 151 | } |
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| 152 | TComPic::destroy(); |
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| 153 | } |
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| 154 | //! \} |
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| 155 | |
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