[2] | 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 TDecCu.cpp |
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| 35 | \brief CU decoder class |
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| 36 | */ |
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| 37 | |
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| 38 | #include "TDecCu.h" |
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| 39 | #if SVC_EXTENSION |
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| 40 | #include "TDecTop.h" |
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| 41 | #endif |
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| 42 | |
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| 43 | |
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| 44 | //! \ingroup TLibDecoder |
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| 45 | //! \{ |
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| 46 | |
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| 47 | // ==================================================================================================================== |
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| 48 | // Constructor / destructor / create / destroy |
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| 49 | // ==================================================================================================================== |
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| 50 | |
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| 51 | TDecCu::TDecCu() |
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| 52 | { |
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| 53 | m_ppcYuvResi = NULL; |
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| 54 | m_ppcYuvReco = NULL; |
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| 55 | m_ppcCU = NULL; |
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| 56 | } |
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| 57 | |
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| 58 | TDecCu::~TDecCu() |
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| 59 | { |
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| 60 | } |
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| 61 | |
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| 62 | #if SVC_EXTENSION |
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| 63 | Void TDecCu::init(TDecTop** ppcDecTop, TDecEntropy* pcEntropyDecoder, TComTrQuant* pcTrQuant, TComPrediction* pcPrediction, UInt layerId) |
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| 64 | #else |
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| 65 | Void TDecCu::init( TDecEntropy* pcEntropyDecoder, TComTrQuant* pcTrQuant, TComPrediction* pcPrediction) |
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| 66 | #endif |
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| 67 | { |
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| 68 | m_pcEntropyDecoder = pcEntropyDecoder; |
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| 69 | m_pcTrQuant = pcTrQuant; |
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| 70 | m_pcPrediction = pcPrediction; |
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| 71 | #if SVC_EXTENSION |
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| 72 | m_ppcTDecTop = ppcDecTop; |
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| 73 | m_layerId = layerId; |
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| 74 | |
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| 75 | for ( UInt ui = 0; ui < m_uiMaxDepth-1; ui++ ) |
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| 76 | { |
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| 77 | m_ppcCU [ui]->setLayerId(layerId); |
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| 78 | } |
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| 79 | #endif |
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| 80 | } |
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| 81 | |
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| 82 | /** |
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| 83 | \param uiMaxDepth total number of allowable depth |
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| 84 | \param uiMaxWidth largest CU width |
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| 85 | \param uiMaxHeight largest CU height |
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| 86 | */ |
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| 87 | Void TDecCu::create( UInt uiMaxDepth, UInt uiMaxWidth, UInt uiMaxHeight ) |
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| 88 | { |
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| 89 | m_uiMaxDepth = uiMaxDepth+1; |
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| 90 | |
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| 91 | m_ppcYuvResi = new TComYuv*[m_uiMaxDepth-1]; |
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| 92 | m_ppcYuvReco = new TComYuv*[m_uiMaxDepth-1]; |
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| 93 | m_ppcCU = new TComDataCU*[m_uiMaxDepth-1]; |
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| 94 | |
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| 95 | UInt uiNumPartitions; |
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| 96 | for ( UInt ui = 0; ui < m_uiMaxDepth-1; ui++ ) |
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| 97 | { |
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| 98 | uiNumPartitions = 1<<( ( m_uiMaxDepth - ui - 1 )<<1 ); |
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| 99 | UInt uiWidth = uiMaxWidth >> ui; |
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| 100 | UInt uiHeight = uiMaxHeight >> ui; |
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| 101 | |
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| 102 | m_ppcYuvResi[ui] = new TComYuv; m_ppcYuvResi[ui]->create( uiWidth, uiHeight ); |
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| 103 | m_ppcYuvReco[ui] = new TComYuv; m_ppcYuvReco[ui]->create( uiWidth, uiHeight ); |
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| 104 | m_ppcCU [ui] = new TComDataCU; m_ppcCU [ui]->create( uiNumPartitions, uiWidth, uiHeight, true, uiMaxWidth >> (m_uiMaxDepth - 1) ); |
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| 105 | } |
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| 106 | |
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| 107 | m_bDecodeDQP = false; |
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| 108 | |
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| 109 | // initialize partition order. |
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| 110 | UInt* piTmp = &g_auiZscanToRaster[0]; |
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| 111 | initZscanToRaster(m_uiMaxDepth, 1, 0, piTmp); |
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| 112 | initRasterToZscan( uiMaxWidth, uiMaxHeight, m_uiMaxDepth ); |
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| 113 | |
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| 114 | // initialize conversion matrix from partition index to pel |
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| 115 | initRasterToPelXY( uiMaxWidth, uiMaxHeight, m_uiMaxDepth ); |
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| 116 | initMotionReferIdx ( uiMaxWidth, uiMaxHeight, m_uiMaxDepth ); |
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| 117 | } |
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| 118 | |
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| 119 | Void TDecCu::destroy() |
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| 120 | { |
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| 121 | for ( UInt ui = 0; ui < m_uiMaxDepth-1; ui++ ) |
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| 122 | { |
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| 123 | m_ppcYuvResi[ui]->destroy(); delete m_ppcYuvResi[ui]; m_ppcYuvResi[ui] = NULL; |
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| 124 | m_ppcYuvReco[ui]->destroy(); delete m_ppcYuvReco[ui]; m_ppcYuvReco[ui] = NULL; |
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| 125 | m_ppcCU [ui]->destroy(); delete m_ppcCU [ui]; m_ppcCU [ui] = NULL; |
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| 126 | } |
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| 127 | |
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| 128 | delete [] m_ppcYuvResi; m_ppcYuvResi = NULL; |
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| 129 | delete [] m_ppcYuvReco; m_ppcYuvReco = NULL; |
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| 130 | delete [] m_ppcCU ; m_ppcCU = NULL; |
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| 131 | } |
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| 132 | |
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| 133 | // ==================================================================================================================== |
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| 134 | // Public member functions |
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| 135 | // ==================================================================================================================== |
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| 136 | |
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| 137 | /** \param pcCU pointer of CU data |
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| 138 | \param ruiIsLast last data? |
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| 139 | */ |
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| 140 | Void TDecCu::decodeCU( TComDataCU* pcCU, UInt& ruiIsLast ) |
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| 141 | { |
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| 142 | if ( pcCU->getSlice()->getPPS()->getUseDQP() ) |
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| 143 | { |
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| 144 | setdQPFlag(true); |
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| 145 | } |
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| 146 | |
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| 147 | pcCU->setNumSucIPCM(0); |
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| 148 | |
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| 149 | // start from the top level CU |
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| 150 | #if SVC_EXTENSION |
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| 151 | pcCU->setLayerId(m_layerId); |
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| 152 | #endif |
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| 153 | xDecodeCU( pcCU, 0, 0, ruiIsLast); |
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| 154 | } |
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| 155 | |
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| 156 | /** \param pcCU pointer of CU data |
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| 157 | */ |
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| 158 | Void TDecCu::decompressCU( TComDataCU* pcCU ) |
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| 159 | { |
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| 160 | xDecompressCU( pcCU, pcCU, 0, 0 ); |
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| 161 | } |
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| 162 | |
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| 163 | // ==================================================================================================================== |
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| 164 | // Protected member functions |
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| 165 | // ==================================================================================================================== |
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| 166 | |
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| 167 | /**decode end-of-slice flag |
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| 168 | * \param pcCU |
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| 169 | * \param uiAbsPartIdx |
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| 170 | * \param uiDepth |
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| 171 | * \returns Bool |
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| 172 | */ |
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| 173 | Bool TDecCu::xDecodeSliceEnd( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth) |
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| 174 | { |
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| 175 | UInt uiIsLast; |
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| 176 | TComPic* pcPic = pcCU->getPic(); |
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| 177 | TComSlice * pcSlice = pcPic->getSlice(pcPic->getCurrSliceIdx()); |
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| 178 | UInt uiCurNumParts = pcPic->getNumPartInCU() >> (uiDepth<<1); |
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| 179 | UInt uiWidth = pcSlice->getSPS()->getPicWidthInLumaSamples(); |
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| 180 | UInt uiHeight = pcSlice->getSPS()->getPicHeightInLumaSamples(); |
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| 181 | #if REMOVE_FGS |
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| 182 | UInt uiGranularityWidth = g_uiMaxCUWidth; |
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| 183 | #else |
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| 184 | UInt uiGranularityWidth = g_uiMaxCUWidth>>(pcSlice->getPPS()->getSliceGranularity()); |
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| 185 | #endif |
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| 186 | UInt uiPosX = pcCU->getCUPelX() + g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ]; |
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| 187 | UInt uiPosY = pcCU->getCUPelY() + g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ]; |
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| 188 | |
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| 189 | if(((uiPosX+pcCU->getWidth(uiAbsPartIdx))%uiGranularityWidth==0||(uiPosX+pcCU->getWidth(uiAbsPartIdx)==uiWidth)) |
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| 190 | &&((uiPosY+pcCU->getHeight(uiAbsPartIdx))%uiGranularityWidth==0||(uiPosY+pcCU->getHeight(uiAbsPartIdx)==uiHeight))) |
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| 191 | { |
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| 192 | m_pcEntropyDecoder->decodeTerminatingBit( uiIsLast ); |
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| 193 | } |
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| 194 | else |
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| 195 | { |
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| 196 | uiIsLast=0; |
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| 197 | } |
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| 198 | |
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| 199 | if(uiIsLast) |
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| 200 | { |
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| 201 | if(pcSlice->isNextDependentSlice()&&!pcSlice->isNextSlice()) |
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| 202 | { |
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| 203 | pcSlice->setDependentSliceCurEndCUAddr(pcCU->getSCUAddr()+uiAbsPartIdx+uiCurNumParts); |
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| 204 | } |
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| 205 | else |
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| 206 | { |
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| 207 | pcSlice->setSliceCurEndCUAddr(pcCU->getSCUAddr()+uiAbsPartIdx+uiCurNumParts); |
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| 208 | pcSlice->setDependentSliceCurEndCUAddr(pcCU->getSCUAddr()+uiAbsPartIdx+uiCurNumParts); |
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| 209 | } |
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| 210 | } |
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| 211 | |
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| 212 | return uiIsLast>0; |
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| 213 | } |
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| 214 | |
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| 215 | /** decode CU block recursively |
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| 216 | * \param pcCU |
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| 217 | * \param uiAbsPartIdx |
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| 218 | * \param uiDepth |
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| 219 | * \returns Void |
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| 220 | */ |
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| 221 | |
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| 222 | Void TDecCu::xDecodeCU( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& ruiIsLast) |
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| 223 | { |
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| 224 | TComPic* pcPic = pcCU->getPic(); |
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| 225 | UInt uiCurNumParts = pcPic->getNumPartInCU() >> (uiDepth<<1); |
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| 226 | UInt uiQNumParts = uiCurNumParts>>2; |
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| 227 | |
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| 228 | Bool bBoundary = false; |
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| 229 | UInt uiLPelX = pcCU->getCUPelX() + g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ]; |
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| 230 | UInt uiRPelX = uiLPelX + (g_uiMaxCUWidth>>uiDepth) - 1; |
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| 231 | UInt uiTPelY = pcCU->getCUPelY() + g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ]; |
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| 232 | UInt uiBPelY = uiTPelY + (g_uiMaxCUHeight>>uiDepth) - 1; |
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| 233 | |
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| 234 | TComSlice * pcSlice = pcCU->getPic()->getSlice(pcCU->getPic()->getCurrSliceIdx()); |
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| 235 | Bool bStartInCU = pcCU->getSCUAddr()+uiAbsPartIdx+uiCurNumParts>pcSlice->getDependentSliceCurStartCUAddr()&&pcCU->getSCUAddr()+uiAbsPartIdx<pcSlice->getDependentSliceCurStartCUAddr(); |
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| 236 | if((!bStartInCU) && ( uiRPelX < pcSlice->getSPS()->getPicWidthInLumaSamples() ) && ( uiBPelY < pcSlice->getSPS()->getPicHeightInLumaSamples() ) ) |
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| 237 | { |
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| 238 | if(pcCU->getNumSucIPCM() == 0) |
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| 239 | { |
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| 240 | m_pcEntropyDecoder->decodeSplitFlag( pcCU, uiAbsPartIdx, uiDepth ); |
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| 241 | } |
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| 242 | else |
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| 243 | { |
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| 244 | pcCU->setDepthSubParts( uiDepth, uiAbsPartIdx ); |
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| 245 | } |
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| 246 | } |
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| 247 | else |
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| 248 | { |
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| 249 | bBoundary = true; |
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| 250 | } |
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| 251 | |
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| 252 | if( ( ( uiDepth < pcCU->getDepth( uiAbsPartIdx ) ) && ( uiDepth < g_uiMaxCUDepth - g_uiAddCUDepth ) ) || bBoundary ) |
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| 253 | { |
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| 254 | UInt uiIdx = uiAbsPartIdx; |
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| 255 | if( (g_uiMaxCUWidth>>uiDepth) == pcCU->getSlice()->getPPS()->getMinCuDQPSize() && pcCU->getSlice()->getPPS()->getUseDQP()) |
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| 256 | { |
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| 257 | setdQPFlag(true); |
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| 258 | pcCU->setQPSubParts( pcCU->getRefQP(uiAbsPartIdx), uiAbsPartIdx, uiDepth ); // set QP to default QP |
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| 259 | } |
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| 260 | |
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| 261 | for ( UInt uiPartUnitIdx = 0; uiPartUnitIdx < 4; uiPartUnitIdx++ ) |
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| 262 | { |
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| 263 | uiLPelX = pcCU->getCUPelX() + g_auiRasterToPelX[ g_auiZscanToRaster[uiIdx] ]; |
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| 264 | uiTPelY = pcCU->getCUPelY() + g_auiRasterToPelY[ g_auiZscanToRaster[uiIdx] ]; |
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| 265 | |
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| 266 | Bool bSubInSlice = pcCU->getSCUAddr()+uiIdx+uiQNumParts>pcSlice->getDependentSliceCurStartCUAddr(); |
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| 267 | if ( bSubInSlice ) |
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| 268 | { |
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| 269 | if ( ( uiLPelX < pcCU->getSlice()->getSPS()->getPicWidthInLumaSamples() ) && ( uiTPelY < pcCU->getSlice()->getSPS()->getPicHeightInLumaSamples() ) ) |
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| 270 | { |
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| 271 | xDecodeCU( pcCU, uiIdx, uiDepth+1, ruiIsLast ); |
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| 272 | } |
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| 273 | else |
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| 274 | { |
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| 275 | pcCU->setOutsideCUPart( uiIdx, uiDepth+1 ); |
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| 276 | } |
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| 277 | } |
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| 278 | if(ruiIsLast) |
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| 279 | { |
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| 280 | break; |
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| 281 | } |
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| 282 | |
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| 283 | uiIdx += uiQNumParts; |
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| 284 | } |
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| 285 | if( (g_uiMaxCUWidth>>uiDepth) == pcCU->getSlice()->getPPS()->getMinCuDQPSize() && pcCU->getSlice()->getPPS()->getUseDQP()) |
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| 286 | { |
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| 287 | if ( getdQPFlag() ) |
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| 288 | { |
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| 289 | UInt uiQPSrcPartIdx; |
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| 290 | if ( pcPic->getCU( pcCU->getAddr() )->getDependentSliceStartCU(uiAbsPartIdx) != pcSlice->getDependentSliceCurStartCUAddr() ) |
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| 291 | { |
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| 292 | uiQPSrcPartIdx = pcSlice->getDependentSliceCurStartCUAddr() % pcPic->getNumPartInCU(); |
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| 293 | } |
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| 294 | else |
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| 295 | { |
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| 296 | uiQPSrcPartIdx = uiAbsPartIdx; |
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| 297 | } |
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| 298 | pcCU->setQPSubParts( pcCU->getRefQP( uiQPSrcPartIdx ), uiAbsPartIdx, uiDepth ); // set QP to default QP |
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| 299 | } |
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| 300 | } |
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| 301 | return; |
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| 302 | } |
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| 303 | |
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| 304 | if( (g_uiMaxCUWidth>>uiDepth) >= pcCU->getSlice()->getPPS()->getMinCuDQPSize() && pcCU->getSlice()->getPPS()->getUseDQP()) |
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| 305 | { |
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| 306 | setdQPFlag(true); |
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| 307 | pcCU->setQPSubParts( pcCU->getRefQP(uiAbsPartIdx), uiAbsPartIdx, uiDepth ); // set QP to default QP |
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| 308 | } |
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| 309 | |
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| 310 | if (pcCU->getSlice()->getPPS()->getTransquantBypassEnableFlag() && pcCU->getNumSucIPCM() == 0 ) |
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| 311 | { |
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| 312 | m_pcEntropyDecoder->decodeCUTransquantBypassFlag( pcCU, uiAbsPartIdx, uiDepth ); |
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| 313 | } |
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| 314 | |
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| 315 | // decode CU mode and the partition size |
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| 316 | if( !pcCU->getSlice()->isIntra() && pcCU->getNumSucIPCM() == 0 ) |
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| 317 | { |
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| 318 | m_pcEntropyDecoder->decodeSkipFlag( pcCU, uiAbsPartIdx, uiDepth ); |
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| 319 | } |
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| 320 | |
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| 321 | if( pcCU->isSkipped(uiAbsPartIdx) ) |
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| 322 | { |
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| 323 | m_ppcCU[uiDepth]->copyInterPredInfoFrom( pcCU, uiAbsPartIdx, REF_PIC_LIST_0 ); |
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| 324 | m_ppcCU[uiDepth]->copyInterPredInfoFrom( pcCU, uiAbsPartIdx, REF_PIC_LIST_1 ); |
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| 325 | TComMvField cMvFieldNeighbours[MRG_MAX_NUM_CANDS << 1]; // double length for mv of both lists |
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| 326 | UChar uhInterDirNeighbours[MRG_MAX_NUM_CANDS]; |
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| 327 | Int numValidMergeCand = 0; |
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| 328 | for( UInt ui = 0; ui < m_ppcCU[uiDepth]->getSlice()->getMaxNumMergeCand(); ++ui ) |
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| 329 | { |
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| 330 | uhInterDirNeighbours[ui] = 0; |
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| 331 | } |
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| 332 | m_pcEntropyDecoder->decodeMergeIndex( pcCU, 0, uiAbsPartIdx, SIZE_2Nx2N, uhInterDirNeighbours, cMvFieldNeighbours, uiDepth ); |
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| 333 | UInt uiMergeIndex = pcCU->getMergeIndex(uiAbsPartIdx); |
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| 334 | m_ppcCU[uiDepth]->getInterMergeCandidates( 0, 0, uiDepth, cMvFieldNeighbours, uhInterDirNeighbours, numValidMergeCand, uiMergeIndex ); |
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| 335 | pcCU->setInterDirSubParts( uhInterDirNeighbours[uiMergeIndex], uiAbsPartIdx, 0, uiDepth ); |
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| 336 | |
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| 337 | TComMv cTmpMv( 0, 0 ); |
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| 338 | for ( UInt uiRefListIdx = 0; uiRefListIdx < 2; uiRefListIdx++ ) |
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| 339 | { |
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| 340 | if ( pcCU->getSlice()->getNumRefIdx( RefPicList( uiRefListIdx ) ) > 0 ) |
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| 341 | { |
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| 342 | pcCU->setMVPIdxSubParts( 0, RefPicList( uiRefListIdx ), uiAbsPartIdx, 0, uiDepth); |
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| 343 | pcCU->setMVPNumSubParts( 0, RefPicList( uiRefListIdx ), uiAbsPartIdx, 0, uiDepth); |
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| 344 | pcCU->getCUMvField( RefPicList( uiRefListIdx ) )->setAllMvd( cTmpMv, SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
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| 345 | pcCU->getCUMvField( RefPicList( uiRefListIdx ) )->setAllMvField( cMvFieldNeighbours[ 2*uiMergeIndex + uiRefListIdx ], SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
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| 346 | } |
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| 347 | } |
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| 348 | xFinishDecodeCU( pcCU, uiAbsPartIdx, uiDepth, ruiIsLast ); |
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| 349 | return; |
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| 350 | } |
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| 351 | #if INTRA_BL |
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| 352 | m_pcEntropyDecoder->decodeIntraBLFlag( pcCU, uiAbsPartIdx, 0, uiDepth ); |
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| 353 | if ( pcCU->isIntraBL( uiAbsPartIdx ) ) |
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| 354 | { |
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| 355 | pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
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| 356 | } |
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| 357 | else |
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| 358 | { |
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| 359 | #endif |
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| 360 | |
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| 361 | if( pcCU->getNumSucIPCM() == 0 ) |
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| 362 | { |
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| 363 | m_pcEntropyDecoder->decodePredMode( pcCU, uiAbsPartIdx, uiDepth ); |
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| 364 | m_pcEntropyDecoder->decodePartSize( pcCU, uiAbsPartIdx, uiDepth ); |
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| 365 | } |
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| 366 | else |
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| 367 | { |
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| 368 | pcCU->setPredModeSubParts( MODE_INTRA, uiAbsPartIdx, uiDepth ); |
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| 369 | pcCU->setPartSizeSubParts( SIZE_2Nx2N, uiAbsPartIdx, uiDepth ); |
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| 370 | pcCU->setSizeSubParts( g_uiMaxCUWidth>>uiDepth, g_uiMaxCUHeight>>uiDepth, uiAbsPartIdx, uiDepth ); |
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| 371 | pcCU->setTrIdxSubParts( 0, uiAbsPartIdx, uiDepth ); |
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| 372 | } |
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| 373 | |
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| 374 | if (pcCU->isIntra( uiAbsPartIdx ) && pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_2Nx2N ) |
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| 375 | { |
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| 376 | m_pcEntropyDecoder->decodeIPCMInfo( pcCU, uiAbsPartIdx, uiDepth ); |
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| 377 | |
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| 378 | if(pcCU->getIPCMFlag(uiAbsPartIdx)) |
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| 379 | { |
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| 380 | xFinishDecodeCU( pcCU, uiAbsPartIdx, uiDepth, ruiIsLast ); |
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| 381 | return; |
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| 382 | } |
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| 383 | } |
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| 384 | #if INTRA_BL |
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| 385 | // prediction mode ( Intra : direction mode, Inter : Mv, reference idx ) |
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| 386 | m_pcEntropyDecoder->decodePredInfo( pcCU, uiAbsPartIdx, uiDepth, m_ppcCU[uiDepth]); |
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| 387 | } |
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| 388 | #endif |
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| 389 | |
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| 390 | UInt uiCurrWidth = pcCU->getWidth ( uiAbsPartIdx ); |
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| 391 | UInt uiCurrHeight = pcCU->getHeight( uiAbsPartIdx ); |
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| 392 | |
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| 393 | #if !INTRA_BL |
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| 394 | // prediction mode ( Intra : direction mode, Inter : Mv, reference idx ) |
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| 395 | m_pcEntropyDecoder->decodePredInfo( pcCU, uiAbsPartIdx, uiDepth, m_ppcCU[uiDepth]); |
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| 396 | #endif |
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| 397 | |
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| 398 | // Coefficient decoding |
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| 399 | Bool bCodeDQP = getdQPFlag(); |
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| 400 | m_pcEntropyDecoder->decodeCoeff( pcCU, uiAbsPartIdx, uiDepth, uiCurrWidth, uiCurrHeight, bCodeDQP ); |
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| 401 | setdQPFlag( bCodeDQP ); |
---|
| 402 | xFinishDecodeCU( pcCU, uiAbsPartIdx, uiDepth, ruiIsLast ); |
---|
| 403 | } |
---|
| 404 | |
---|
| 405 | Void TDecCu::xFinishDecodeCU( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& ruiIsLast) |
---|
| 406 | { |
---|
| 407 | if( pcCU->getSlice()->getPPS()->getUseDQP()) |
---|
| 408 | { |
---|
| 409 | pcCU->setQPSubParts( getdQPFlag()?pcCU->getRefQP(uiAbsPartIdx):pcCU->getCodedQP(), uiAbsPartIdx, uiDepth ); // set QP |
---|
| 410 | } |
---|
| 411 | if( pcCU->getNumSucIPCM() > 0 ) |
---|
| 412 | { |
---|
| 413 | ruiIsLast = 0; |
---|
| 414 | return; |
---|
| 415 | } |
---|
| 416 | |
---|
| 417 | ruiIsLast = xDecodeSliceEnd( pcCU, uiAbsPartIdx, uiDepth); |
---|
| 418 | } |
---|
| 419 | |
---|
| 420 | Void TDecCu::xDecompressCU( TComDataCU* pcCU, TComDataCU* pcCUCur, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 421 | { |
---|
| 422 | TComPic* pcPic = pcCU->getPic(); |
---|
| 423 | |
---|
| 424 | Bool bBoundary = false; |
---|
| 425 | UInt uiLPelX = pcCU->getCUPelX() + g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsPartIdx] ]; |
---|
| 426 | UInt uiRPelX = uiLPelX + (g_uiMaxCUWidth>>uiDepth) - 1; |
---|
| 427 | UInt uiTPelY = pcCU->getCUPelY() + g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsPartIdx] ]; |
---|
| 428 | UInt uiBPelY = uiTPelY + (g_uiMaxCUHeight>>uiDepth) - 1; |
---|
| 429 | |
---|
| 430 | UInt uiCurNumParts = pcPic->getNumPartInCU() >> (uiDepth<<1); |
---|
| 431 | TComSlice * pcSlice = pcCU->getPic()->getSlice(pcCU->getPic()->getCurrSliceIdx()); |
---|
| 432 | Bool bStartInCU = pcCU->getSCUAddr()+uiAbsPartIdx+uiCurNumParts>pcSlice->getDependentSliceCurStartCUAddr()&&pcCU->getSCUAddr()+uiAbsPartIdx<pcSlice->getDependentSliceCurStartCUAddr(); |
---|
| 433 | if(bStartInCU||( uiRPelX >= pcSlice->getSPS()->getPicWidthInLumaSamples() ) || ( uiBPelY >= pcSlice->getSPS()->getPicHeightInLumaSamples() ) ) |
---|
| 434 | { |
---|
| 435 | bBoundary = true; |
---|
| 436 | } |
---|
| 437 | |
---|
| 438 | if( ( ( uiDepth < pcCU->getDepth( uiAbsPartIdx ) ) && ( uiDepth < g_uiMaxCUDepth - g_uiAddCUDepth ) ) || bBoundary ) |
---|
| 439 | { |
---|
| 440 | UInt uiNextDepth = uiDepth + 1; |
---|
| 441 | UInt uiQNumParts = pcCU->getTotalNumPart() >> (uiNextDepth<<1); |
---|
| 442 | UInt uiIdx = uiAbsPartIdx; |
---|
| 443 | for ( UInt uiPartIdx = 0; uiPartIdx < 4; uiPartIdx++ ) |
---|
| 444 | { |
---|
| 445 | uiLPelX = pcCU->getCUPelX() + g_auiRasterToPelX[ g_auiZscanToRaster[uiIdx] ]; |
---|
| 446 | uiTPelY = pcCU->getCUPelY() + g_auiRasterToPelY[ g_auiZscanToRaster[uiIdx] ]; |
---|
| 447 | |
---|
| 448 | Bool binSlice = (pcCU->getSCUAddr()+uiIdx+uiQNumParts>pcSlice->getDependentSliceCurStartCUAddr())&&(pcCU->getSCUAddr()+uiIdx<pcSlice->getDependentSliceCurEndCUAddr()); |
---|
| 449 | if(binSlice&&( uiLPelX < pcSlice->getSPS()->getPicWidthInLumaSamples() ) && ( uiTPelY < pcSlice->getSPS()->getPicHeightInLumaSamples() ) ) |
---|
| 450 | { |
---|
| 451 | xDecompressCU(pcCU, m_ppcCU[uiNextDepth], uiIdx, uiNextDepth ); |
---|
| 452 | } |
---|
| 453 | |
---|
| 454 | uiIdx += uiQNumParts; |
---|
| 455 | } |
---|
| 456 | return; |
---|
| 457 | } |
---|
| 458 | |
---|
| 459 | // Residual reconstruction |
---|
| 460 | m_ppcYuvResi[uiDepth]->clear(); |
---|
| 461 | |
---|
| 462 | m_ppcCU[uiDepth]->copySubCU( pcCU, uiAbsPartIdx, uiDepth ); |
---|
| 463 | |
---|
| 464 | switch( m_ppcCU[uiDepth]->getPredictionMode(0) ) |
---|
| 465 | { |
---|
| 466 | case MODE_INTER: |
---|
| 467 | xReconInter( m_ppcCU[uiDepth], uiAbsPartIdx, uiDepth ); |
---|
| 468 | break; |
---|
| 469 | case MODE_INTRA: |
---|
| 470 | xReconIntraQT( m_ppcCU[uiDepth], uiAbsPartIdx, uiDepth ); |
---|
| 471 | break; |
---|
| 472 | #if INTRA_BL |
---|
| 473 | case MODE_INTRA_BL: |
---|
[17] | 474 | #if NO_RESIDUAL_FLAG_FOR_BLPRED |
---|
| 475 | xReconIntraBL( m_ppcCU[uiDepth], uiAbsPartIdx, uiDepth ); |
---|
| 476 | #else |
---|
[2] | 477 | xReconIntraQT( m_ppcCU[uiDepth], uiAbsPartIdx, uiDepth ); |
---|
[17] | 478 | #endif |
---|
[2] | 479 | break; |
---|
| 480 | #endif |
---|
| 481 | default: |
---|
| 482 | assert(0); |
---|
| 483 | break; |
---|
| 484 | } |
---|
| 485 | if ( m_ppcCU[uiDepth]->isLosslessCoded(0) && (m_ppcCU[uiDepth]->getIPCMFlag(0) == false)) |
---|
| 486 | { |
---|
| 487 | xFillPCMBuffer(m_ppcCU[uiDepth], uiAbsPartIdx, uiDepth); |
---|
| 488 | } |
---|
| 489 | |
---|
| 490 | xCopyToPic( m_ppcCU[uiDepth], pcPic, uiAbsPartIdx, uiDepth ); |
---|
| 491 | } |
---|
| 492 | |
---|
| 493 | Void TDecCu::xReconInter( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 494 | { |
---|
| 495 | |
---|
| 496 | // inter prediction |
---|
| 497 | m_pcPrediction->motionCompensation( pcCU, m_ppcYuvReco[uiDepth] ); |
---|
| 498 | |
---|
| 499 | // inter recon |
---|
| 500 | xDecodeInterTexture( pcCU, 0, uiDepth ); |
---|
| 501 | |
---|
| 502 | // clip for only non-zero cbp case |
---|
| 503 | if ( ( pcCU->getCbf( 0, TEXT_LUMA ) ) || ( pcCU->getCbf( 0, TEXT_CHROMA_U ) ) || ( pcCU->getCbf(0, TEXT_CHROMA_V ) ) ) |
---|
| 504 | { |
---|
| 505 | m_ppcYuvReco[uiDepth]->addClip( m_ppcYuvReco[uiDepth], m_ppcYuvResi[uiDepth], 0, pcCU->getWidth( 0 ) ); |
---|
| 506 | } |
---|
| 507 | else |
---|
| 508 | { |
---|
| 509 | m_ppcYuvReco[uiDepth]->copyPartToPartYuv( m_ppcYuvReco[uiDepth],0, pcCU->getWidth( 0 ),pcCU->getHeight( 0 )); |
---|
| 510 | } |
---|
| 511 | } |
---|
| 512 | |
---|
| 513 | Void |
---|
| 514 | TDecCu::xIntraRecLumaBlk( TComDataCU* pcCU, |
---|
| 515 | UInt uiTrDepth, |
---|
| 516 | UInt uiAbsPartIdx, |
---|
| 517 | TComYuv* pcRecoYuv, |
---|
| 518 | TComYuv* pcPredYuv, |
---|
| 519 | TComYuv* pcResiYuv ) |
---|
| 520 | { |
---|
| 521 | UInt uiWidth = pcCU ->getWidth ( 0 ) >> uiTrDepth; |
---|
| 522 | UInt uiHeight = pcCU ->getHeight ( 0 ) >> uiTrDepth; |
---|
| 523 | UInt uiStride = pcRecoYuv->getStride (); |
---|
| 524 | Pel* piReco = pcRecoYuv->getLumaAddr( uiAbsPartIdx ); |
---|
| 525 | Pel* piPred = pcPredYuv->getLumaAddr( uiAbsPartIdx ); |
---|
| 526 | Pel* piResi = pcResiYuv->getLumaAddr( uiAbsPartIdx ); |
---|
| 527 | |
---|
| 528 | UInt uiNumCoeffInc = ( pcCU->getSlice()->getSPS()->getMaxCUWidth() * pcCU->getSlice()->getSPS()->getMaxCUHeight() ) >> ( pcCU->getSlice()->getSPS()->getMaxCUDepth() << 1 ); |
---|
| 529 | TCoeff* pcCoeff = pcCU->getCoeffY() + ( uiNumCoeffInc * uiAbsPartIdx ); |
---|
| 530 | |
---|
| 531 | UInt uiLumaPredMode = pcCU->getLumaIntraDir ( uiAbsPartIdx ); |
---|
| 532 | |
---|
| 533 | UInt uiZOrder = pcCU->getZorderIdxInCU() + uiAbsPartIdx; |
---|
| 534 | Pel* piRecIPred = pcCU->getPic()->getPicYuvRec()->getLumaAddr( pcCU->getAddr(), uiZOrder ); |
---|
| 535 | UInt uiRecIPredStride = pcCU->getPic()->getPicYuvRec()->getStride (); |
---|
| 536 | Bool useTransformSkip = pcCU->getTransformSkip(uiAbsPartIdx, TEXT_LUMA); |
---|
| 537 | //===== init availability pattern ===== |
---|
| 538 | Bool bAboveAvail = false; |
---|
| 539 | Bool bLeftAvail = false; |
---|
| 540 | pcCU->getPattern()->initPattern ( pcCU, uiTrDepth, uiAbsPartIdx ); |
---|
| 541 | pcCU->getPattern()->initAdiPattern( pcCU, uiAbsPartIdx, uiTrDepth, |
---|
| 542 | m_pcPrediction->getPredicBuf (), |
---|
| 543 | m_pcPrediction->getPredicBufWidth (), |
---|
| 544 | m_pcPrediction->getPredicBufHeight (), |
---|
| 545 | bAboveAvail, bLeftAvail ); |
---|
| 546 | |
---|
| 547 | //===== get prediction signal ===== |
---|
| 548 | #if INTRA_BL |
---|
| 549 | if(pcCU->isIntraBL ( uiAbsPartIdx ) ) |
---|
| 550 | { |
---|
| 551 | pcCU->getBaseLumaBlk( uiWidth, uiHeight, uiAbsPartIdx, piPred, uiStride ); |
---|
| 552 | } |
---|
| 553 | else |
---|
| 554 | #endif |
---|
| 555 | m_pcPrediction->predIntraLumaAng( pcCU->getPattern(), uiLumaPredMode, piPred, uiStride, uiWidth, uiHeight, pcCU, bAboveAvail, bLeftAvail ); |
---|
| 556 | |
---|
| 557 | //===== inverse transform ===== |
---|
| 558 | m_pcTrQuant->setQPforQuant ( pcCU->getQP(0), TEXT_LUMA, pcCU->getSlice()->getSPS()->getQpBDOffsetY(), 0 ); |
---|
| 559 | |
---|
| 560 | Int scalingListType = (pcCU->isIntra(uiAbsPartIdx) ? 0 : 3) + g_eTTable[(Int)TEXT_LUMA]; |
---|
| 561 | assert(scalingListType < 6); |
---|
| 562 | m_pcTrQuant->invtransformNxN( pcCU->getCUTransquantBypass(uiAbsPartIdx), TEXT_LUMA, pcCU->getLumaIntraDir( uiAbsPartIdx ), piResi, uiStride, pcCoeff, uiWidth, uiHeight, scalingListType, useTransformSkip ); |
---|
| 563 | |
---|
| 564 | |
---|
| 565 | //===== reconstruction ===== |
---|
| 566 | Pel* pPred = piPred; |
---|
| 567 | Pel* pResi = piResi; |
---|
| 568 | Pel* pReco = piReco; |
---|
| 569 | Pel* pRecIPred = piRecIPred; |
---|
| 570 | for( UInt uiY = 0; uiY < uiHeight; uiY++ ) |
---|
| 571 | { |
---|
| 572 | for( UInt uiX = 0; uiX < uiWidth; uiX++ ) |
---|
| 573 | { |
---|
| 574 | pReco [ uiX ] = Clip( pPred[ uiX ] + pResi[ uiX ] ); |
---|
| 575 | pRecIPred[ uiX ] = pReco[ uiX ]; |
---|
| 576 | } |
---|
| 577 | pPred += uiStride; |
---|
| 578 | pResi += uiStride; |
---|
| 579 | pReco += uiStride; |
---|
| 580 | pRecIPred += uiRecIPredStride; |
---|
| 581 | } |
---|
| 582 | } |
---|
| 583 | |
---|
| 584 | |
---|
| 585 | Void |
---|
| 586 | TDecCu::xIntraRecChromaBlk( TComDataCU* pcCU, |
---|
| 587 | UInt uiTrDepth, |
---|
| 588 | UInt uiAbsPartIdx, |
---|
| 589 | TComYuv* pcRecoYuv, |
---|
| 590 | TComYuv* pcPredYuv, |
---|
| 591 | TComYuv* pcResiYuv, |
---|
| 592 | UInt uiChromaId ) |
---|
| 593 | { |
---|
| 594 | UInt uiFullDepth = pcCU->getDepth( 0 ) + uiTrDepth; |
---|
| 595 | UInt uiLog2TrSize = g_aucConvertToBit[ pcCU->getSlice()->getSPS()->getMaxCUWidth() >> uiFullDepth ] + 2; |
---|
| 596 | |
---|
| 597 | if( uiLog2TrSize == 2 ) |
---|
| 598 | { |
---|
| 599 | assert( uiTrDepth > 0 ); |
---|
| 600 | uiTrDepth--; |
---|
| 601 | UInt uiQPDiv = pcCU->getPic()->getNumPartInCU() >> ( ( pcCU->getDepth( 0 ) + uiTrDepth ) << 1 ); |
---|
| 602 | Bool bFirstQ = ( ( uiAbsPartIdx % uiQPDiv ) == 0 ); |
---|
| 603 | if( !bFirstQ ) |
---|
| 604 | { |
---|
| 605 | return; |
---|
| 606 | } |
---|
| 607 | } |
---|
| 608 | |
---|
| 609 | TextType eText = ( uiChromaId > 0 ? TEXT_CHROMA_V : TEXT_CHROMA_U ); |
---|
| 610 | UInt uiWidth = pcCU ->getWidth ( 0 ) >> ( uiTrDepth + 1 ); |
---|
| 611 | UInt uiHeight = pcCU ->getHeight ( 0 ) >> ( uiTrDepth + 1 ); |
---|
| 612 | UInt uiStride = pcRecoYuv->getCStride (); |
---|
| 613 | Pel* piReco = ( uiChromaId > 0 ? pcRecoYuv->getCrAddr( uiAbsPartIdx ) : pcRecoYuv->getCbAddr( uiAbsPartIdx ) ); |
---|
| 614 | Pel* piPred = ( uiChromaId > 0 ? pcPredYuv->getCrAddr( uiAbsPartIdx ) : pcPredYuv->getCbAddr( uiAbsPartIdx ) ); |
---|
| 615 | Pel* piResi = ( uiChromaId > 0 ? pcResiYuv->getCrAddr( uiAbsPartIdx ) : pcResiYuv->getCbAddr( uiAbsPartIdx ) ); |
---|
| 616 | |
---|
| 617 | UInt uiNumCoeffInc = ( ( pcCU->getSlice()->getSPS()->getMaxCUWidth() * pcCU->getSlice()->getSPS()->getMaxCUHeight() ) >> ( pcCU->getSlice()->getSPS()->getMaxCUDepth() << 1 ) ) >> 2; |
---|
| 618 | TCoeff* pcCoeff = ( uiChromaId > 0 ? pcCU->getCoeffCr() : pcCU->getCoeffCb() ) + ( uiNumCoeffInc * uiAbsPartIdx ); |
---|
| 619 | |
---|
| 620 | UInt uiChromaPredMode = pcCU->getChromaIntraDir( 0 ); |
---|
| 621 | |
---|
| 622 | UInt uiZOrder = pcCU->getZorderIdxInCU() + uiAbsPartIdx; |
---|
| 623 | Pel* piRecIPred = ( uiChromaId > 0 ? pcCU->getPic()->getPicYuvRec()->getCrAddr( pcCU->getAddr(), uiZOrder ) : pcCU->getPic()->getPicYuvRec()->getCbAddr( pcCU->getAddr(), uiZOrder ) ); |
---|
| 624 | UInt uiRecIPredStride = pcCU->getPic()->getPicYuvRec()->getCStride(); |
---|
| 625 | Bool useTransformSkipChroma = pcCU->getTransformSkip(uiAbsPartIdx,eText); |
---|
| 626 | //===== init availability pattern ===== |
---|
| 627 | Bool bAboveAvail = false; |
---|
| 628 | Bool bLeftAvail = false; |
---|
| 629 | pcCU->getPattern()->initPattern ( pcCU, uiTrDepth, uiAbsPartIdx ); |
---|
| 630 | |
---|
| 631 | #if !REMOVE_LMCHROMA |
---|
| 632 | if( uiChromaPredMode == LM_CHROMA_IDX && uiChromaId == 0 ) |
---|
| 633 | { |
---|
| 634 | pcCU->getPattern()->initAdiPattern( pcCU, uiAbsPartIdx, uiTrDepth, |
---|
| 635 | m_pcPrediction->getPredicBuf (), |
---|
| 636 | m_pcPrediction->getPredicBufWidth (), |
---|
| 637 | m_pcPrediction->getPredicBufHeight (), |
---|
| 638 | bAboveAvail, bLeftAvail, |
---|
| 639 | true ); |
---|
| 640 | |
---|
| 641 | m_pcPrediction->getLumaRecPixels( pcCU->getPattern(), uiWidth, uiHeight ); |
---|
| 642 | } |
---|
| 643 | #endif |
---|
| 644 | |
---|
| 645 | pcCU->getPattern()->initAdiPatternChroma( pcCU, uiAbsPartIdx, uiTrDepth, |
---|
| 646 | m_pcPrediction->getPredicBuf (), |
---|
| 647 | m_pcPrediction->getPredicBufWidth (), |
---|
| 648 | m_pcPrediction->getPredicBufHeight (), |
---|
| 649 | bAboveAvail, bLeftAvail ); |
---|
| 650 | Int* pPatChroma = ( uiChromaId > 0 ? pcCU->getPattern()->getAdiCrBuf( uiWidth, uiHeight, m_pcPrediction->getPredicBuf() ) : pcCU->getPattern()->getAdiCbBuf( uiWidth, uiHeight, m_pcPrediction->getPredicBuf() ) ); |
---|
| 651 | |
---|
| 652 | //===== get prediction signal ===== |
---|
| 653 | #if INTRA_BL |
---|
| 654 | if(pcCU->isIntraBL ( uiAbsPartIdx ) ) |
---|
| 655 | { |
---|
| 656 | pcCU->getBaseChromaBlk( uiWidth, uiHeight, uiAbsPartIdx, piPred, uiStride, uiChromaId ); |
---|
| 657 | } |
---|
| 658 | else |
---|
| 659 | #endif |
---|
| 660 | #if !REMOVE_LMCHROMA |
---|
| 661 | if( uiChromaPredMode == LM_CHROMA_IDX ) |
---|
| 662 | { |
---|
| 663 | m_pcPrediction->predLMIntraChroma( pcCU->getPattern(), pPatChroma, piPred, uiStride, uiWidth, uiHeight, uiChromaId ); |
---|
| 664 | } |
---|
| 665 | else |
---|
| 666 | #endif |
---|
| 667 | { |
---|
| 668 | if( uiChromaPredMode == DM_CHROMA_IDX ) |
---|
| 669 | { |
---|
| 670 | uiChromaPredMode = pcCU->getLumaIntraDir( 0 ); |
---|
| 671 | } |
---|
| 672 | m_pcPrediction->predIntraChromaAng( pcCU->getPattern(), pPatChroma, uiChromaPredMode, piPred, uiStride, uiWidth, uiHeight, pcCU, bAboveAvail, bLeftAvail ); |
---|
| 673 | } |
---|
| 674 | |
---|
| 675 | //===== inverse transform ===== |
---|
| 676 | #if CHROMA_QP_EXTENSION |
---|
| 677 | Int curChromaQpOffset; |
---|
| 678 | if(eText == TEXT_CHROMA_U) |
---|
| 679 | { |
---|
| 680 | curChromaQpOffset = pcCU->getSlice()->getPPS()->getChromaCbQpOffset() + pcCU->getSlice()->getSliceQpDeltaCb(); |
---|
| 681 | } |
---|
| 682 | else |
---|
| 683 | { |
---|
| 684 | curChromaQpOffset = pcCU->getSlice()->getPPS()->getChromaCrQpOffset() + pcCU->getSlice()->getSliceQpDeltaCr(); |
---|
| 685 | } |
---|
| 686 | m_pcTrQuant->setQPforQuant ( pcCU->getQP(0), eText, pcCU->getSlice()->getSPS()->getQpBDOffsetC(), curChromaQpOffset ); |
---|
| 687 | #else |
---|
| 688 | if(eText == TEXT_CHROMA_U) |
---|
| 689 | { |
---|
| 690 | m_pcTrQuant->setQPforQuant ( pcCU->getQP(0), eText, pcCU->getSlice()->getSPS()->getQpBDOffsetC(), pcCU->getSlice()->getPPS()->getChromaCbQpOffset() ); |
---|
| 691 | } |
---|
| 692 | else |
---|
| 693 | { |
---|
| 694 | m_pcTrQuant->setQPforQuant ( pcCU->getQP(0), eText, pcCU->getSlice()->getSPS()->getQpBDOffsetC(), pcCU->getSlice()->getPPS()->getChromaCrQpOffset() ); |
---|
| 695 | } |
---|
| 696 | #endif |
---|
| 697 | |
---|
| 698 | Int scalingListType = (pcCU->isIntra(uiAbsPartIdx) ? 0 : 3) + g_eTTable[(Int)eText]; |
---|
| 699 | assert(scalingListType < 6); |
---|
| 700 | m_pcTrQuant->invtransformNxN( pcCU->getCUTransquantBypass(uiAbsPartIdx), eText, REG_DCT, piResi, uiStride, pcCoeff, uiWidth, uiHeight, scalingListType, useTransformSkipChroma ); |
---|
| 701 | |
---|
| 702 | //===== reconstruction ===== |
---|
| 703 | Pel* pPred = piPred; |
---|
| 704 | Pel* pResi = piResi; |
---|
| 705 | Pel* pReco = piReco; |
---|
| 706 | Pel* pRecIPred = piRecIPred; |
---|
| 707 | for( UInt uiY = 0; uiY < uiHeight; uiY++ ) |
---|
| 708 | { |
---|
| 709 | for( UInt uiX = 0; uiX < uiWidth; uiX++ ) |
---|
| 710 | { |
---|
| 711 | pReco [ uiX ] = Clip( pPred[ uiX ] + pResi[ uiX ] ); |
---|
| 712 | pRecIPred[ uiX ] = pReco[ uiX ]; |
---|
| 713 | } |
---|
| 714 | pPred += uiStride; |
---|
| 715 | pResi += uiStride; |
---|
| 716 | pReco += uiStride; |
---|
| 717 | pRecIPred += uiRecIPredStride; |
---|
| 718 | } |
---|
| 719 | } |
---|
| 720 | |
---|
| 721 | |
---|
| 722 | Void |
---|
| 723 | TDecCu::xReconIntraQT( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 724 | { |
---|
| 725 | UInt uiInitTrDepth = ( pcCU->getPartitionSize(0) == SIZE_2Nx2N ? 0 : 1 ); |
---|
| 726 | UInt uiNumPart = pcCU->getNumPartInter(); |
---|
| 727 | UInt uiNumQParts = pcCU->getTotalNumPart() >> 2; |
---|
| 728 | |
---|
| 729 | if (pcCU->getIPCMFlag(0)) |
---|
| 730 | { |
---|
| 731 | xReconPCM( pcCU, uiAbsPartIdx, uiDepth ); |
---|
| 732 | return; |
---|
| 733 | } |
---|
| 734 | |
---|
| 735 | for( UInt uiPU = 0; uiPU < uiNumPart; uiPU++ ) |
---|
| 736 | { |
---|
| 737 | xIntraLumaRecQT( pcCU, uiInitTrDepth, uiPU * uiNumQParts, m_ppcYuvReco[uiDepth], m_ppcYuvReco[uiDepth], m_ppcYuvResi[uiDepth] ); |
---|
| 738 | } |
---|
| 739 | |
---|
| 740 | for( UInt uiPU = 0; uiPU < uiNumPart; uiPU++ ) |
---|
| 741 | { |
---|
| 742 | xIntraChromaRecQT( pcCU, uiInitTrDepth, uiPU * uiNumQParts, m_ppcYuvReco[uiDepth], m_ppcYuvReco[uiDepth], m_ppcYuvResi[uiDepth] ); |
---|
| 743 | } |
---|
| 744 | |
---|
| 745 | } |
---|
| 746 | |
---|
[17] | 747 | #if NO_RESIDUAL_FLAG_FOR_BLPRED |
---|
| 748 | Void |
---|
| 749 | TDecCu::xReconIntraBL( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 750 | { |
---|
| 751 | m_ppcYuvReco[uiDepth]->copyFromPicLuma ( pcCU->getSlice()->getFullPelBaseRec(), pcCU->getAddr(), pcCU->getZorderIdxInCU(), 0, pcCU->getWidth(0), pcCU->getHeight(0)); |
---|
| 752 | m_ppcYuvReco[uiDepth]->copyFromPicChroma( pcCU->getSlice()->getFullPelBaseRec(), pcCU->getAddr(), pcCU->getZorderIdxInCU(), 0, (pcCU->getWidth(0)>>1), (pcCU->getHeight(0)>>1), 0); |
---|
| 753 | m_ppcYuvReco[uiDepth]->copyFromPicChroma( pcCU->getSlice()->getFullPelBaseRec(), pcCU->getAddr(), pcCU->getZorderIdxInCU(), 0, (pcCU->getWidth(0)>>1), (pcCU->getHeight(0)>>1), 1); |
---|
[2] | 754 | |
---|
[17] | 755 | // inter recon |
---|
| 756 | xDecodeInterTexture( pcCU, 0, uiDepth ); |
---|
| 757 | |
---|
| 758 | // clip for only non-zero cbp case |
---|
| 759 | if ( ( pcCU->getCbf( 0, TEXT_LUMA ) ) || ( pcCU->getCbf( 0, TEXT_CHROMA_U ) ) || ( pcCU->getCbf(0, TEXT_CHROMA_V ) ) ) |
---|
| 760 | { |
---|
| 761 | m_ppcYuvReco[uiDepth]->addClip( m_ppcYuvReco[uiDepth], m_ppcYuvResi[uiDepth], 0, pcCU->getWidth( 0 ) ); |
---|
| 762 | } |
---|
| 763 | else |
---|
| 764 | { |
---|
| 765 | m_ppcYuvReco[uiDepth]->copyPartToPartYuv( m_ppcYuvReco[uiDepth],0, pcCU->getWidth( 0 ),pcCU->getHeight( 0 )); |
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| 766 | } |
---|
| 767 | } |
---|
| 768 | #endif |
---|
| 769 | |
---|
[2] | 770 | /** Function for deriving recontructed PU/CU Luma sample with QTree structure |
---|
| 771 | * \param pcCU pointer of current CU |
---|
| 772 | * \param uiTrDepth current tranform split depth |
---|
| 773 | * \param uiAbsPartIdx part index |
---|
| 774 | * \param pcRecoYuv pointer to reconstructed sample arrays |
---|
| 775 | * \param pcPredYuv pointer to prediction sample arrays |
---|
| 776 | * \param pcResiYuv pointer to residue sample arrays |
---|
| 777 | * |
---|
| 778 | \ This function dervies recontructed PU/CU Luma sample with recursive QTree structure |
---|
| 779 | */ |
---|
| 780 | Void |
---|
| 781 | TDecCu::xIntraLumaRecQT( TComDataCU* pcCU, |
---|
| 782 | UInt uiTrDepth, |
---|
| 783 | UInt uiAbsPartIdx, |
---|
| 784 | TComYuv* pcRecoYuv, |
---|
| 785 | TComYuv* pcPredYuv, |
---|
| 786 | TComYuv* pcResiYuv ) |
---|
| 787 | { |
---|
| 788 | UInt uiFullDepth = pcCU->getDepth(0) + uiTrDepth; |
---|
| 789 | UInt uiTrMode = pcCU->getTransformIdx( uiAbsPartIdx ); |
---|
| 790 | if( uiTrMode == uiTrDepth ) |
---|
| 791 | { |
---|
| 792 | xIntraRecLumaBlk ( pcCU, uiTrDepth, uiAbsPartIdx, pcRecoYuv, pcPredYuv, pcResiYuv ); |
---|
| 793 | } |
---|
| 794 | else |
---|
| 795 | { |
---|
| 796 | UInt uiNumQPart = pcCU->getPic()->getNumPartInCU() >> ( ( uiFullDepth + 1 ) << 1 ); |
---|
| 797 | for( UInt uiPart = 0; uiPart < 4; uiPart++ ) |
---|
| 798 | { |
---|
| 799 | xIntraLumaRecQT( pcCU, uiTrDepth + 1, uiAbsPartIdx + uiPart * uiNumQPart, pcRecoYuv, pcPredYuv, pcResiYuv ); |
---|
| 800 | } |
---|
| 801 | } |
---|
| 802 | } |
---|
| 803 | |
---|
| 804 | /** Function for deriving recontructed PU/CU chroma samples with QTree structure |
---|
| 805 | * \param pcCU pointer of current CU |
---|
| 806 | * \param uiTrDepth current tranform split depth |
---|
| 807 | * \param uiAbsPartIdx part index |
---|
| 808 | * \param pcRecoYuv pointer to reconstructed sample arrays |
---|
| 809 | * \param pcPredYuv pointer to prediction sample arrays |
---|
| 810 | * \param pcResiYuv pointer to residue sample arrays |
---|
| 811 | * |
---|
| 812 | \ This function dervies recontructed PU/CU chroma samples with QTree recursive structure |
---|
| 813 | */ |
---|
| 814 | Void |
---|
| 815 | TDecCu::xIntraChromaRecQT( TComDataCU* pcCU, |
---|
| 816 | UInt uiTrDepth, |
---|
| 817 | UInt uiAbsPartIdx, |
---|
| 818 | TComYuv* pcRecoYuv, |
---|
| 819 | TComYuv* pcPredYuv, |
---|
| 820 | TComYuv* pcResiYuv ) |
---|
| 821 | { |
---|
| 822 | UInt uiFullDepth = pcCU->getDepth(0) + uiTrDepth; |
---|
| 823 | UInt uiTrMode = pcCU->getTransformIdx( uiAbsPartIdx ); |
---|
| 824 | if( uiTrMode == uiTrDepth ) |
---|
| 825 | { |
---|
| 826 | xIntraRecChromaBlk( pcCU, uiTrDepth, uiAbsPartIdx, pcRecoYuv, pcPredYuv, pcResiYuv, 0 ); |
---|
| 827 | xIntraRecChromaBlk( pcCU, uiTrDepth, uiAbsPartIdx, pcRecoYuv, pcPredYuv, pcResiYuv, 1 ); |
---|
| 828 | } |
---|
| 829 | else |
---|
| 830 | { |
---|
| 831 | UInt uiNumQPart = pcCU->getPic()->getNumPartInCU() >> ( ( uiFullDepth + 1 ) << 1 ); |
---|
| 832 | for( UInt uiPart = 0; uiPart < 4; uiPart++ ) |
---|
| 833 | { |
---|
| 834 | xIntraChromaRecQT( pcCU, uiTrDepth + 1, uiAbsPartIdx + uiPart * uiNumQPart, pcRecoYuv, pcPredYuv, pcResiYuv ); |
---|
| 835 | } |
---|
| 836 | } |
---|
| 837 | } |
---|
| 838 | |
---|
| 839 | Void TDecCu::xCopyToPic( TComDataCU* pcCU, TComPic* pcPic, UInt uiZorderIdx, UInt uiDepth ) |
---|
| 840 | { |
---|
| 841 | UInt uiCUAddr = pcCU->getAddr(); |
---|
| 842 | |
---|
| 843 | m_ppcYuvReco[uiDepth]->copyToPicYuv ( pcPic->getPicYuvRec (), uiCUAddr, uiZorderIdx ); |
---|
| 844 | |
---|
| 845 | return; |
---|
| 846 | } |
---|
| 847 | |
---|
| 848 | Void TDecCu::xDecodeInterTexture ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 849 | { |
---|
| 850 | UInt uiWidth = pcCU->getWidth ( uiAbsPartIdx ); |
---|
| 851 | UInt uiHeight = pcCU->getHeight( uiAbsPartIdx ); |
---|
| 852 | TCoeff* piCoeff; |
---|
| 853 | |
---|
| 854 | Pel* pResi; |
---|
| 855 | UInt uiLumaTrMode, uiChromaTrMode; |
---|
| 856 | |
---|
| 857 | pcCU->convertTransIdx( uiAbsPartIdx, pcCU->getTransformIdx( uiAbsPartIdx ), uiLumaTrMode, uiChromaTrMode ); |
---|
| 858 | |
---|
| 859 | // Y |
---|
| 860 | piCoeff = pcCU->getCoeffY(); |
---|
| 861 | pResi = m_ppcYuvResi[uiDepth]->getLumaAddr(); |
---|
| 862 | |
---|
| 863 | m_pcTrQuant->setQPforQuant( pcCU->getQP( uiAbsPartIdx ), TEXT_LUMA, pcCU->getSlice()->getSPS()->getQpBDOffsetY(), 0 ); |
---|
| 864 | |
---|
| 865 | m_pcTrQuant->invRecurTransformNxN ( pcCU, 0, TEXT_LUMA, pResi, 0, m_ppcYuvResi[uiDepth]->getStride(), uiWidth, uiHeight, uiLumaTrMode, 0, piCoeff ); |
---|
| 866 | |
---|
| 867 | // Cb and Cr |
---|
| 868 | #if CHROMA_QP_EXTENSION |
---|
| 869 | Int curChromaQpOffset = pcCU->getSlice()->getPPS()->getChromaCbQpOffset() + pcCU->getSlice()->getSliceQpDeltaCb(); |
---|
| 870 | m_pcTrQuant->setQPforQuant( pcCU->getQP( uiAbsPartIdx ), TEXT_CHROMA, pcCU->getSlice()->getSPS()->getQpBDOffsetC(), curChromaQpOffset ); |
---|
| 871 | #else |
---|
| 872 | m_pcTrQuant->setQPforQuant( pcCU->getQP( uiAbsPartIdx ), TEXT_CHROMA, pcCU->getSlice()->getSPS()->getQpBDOffsetC(), pcCU->getSlice()->getPPS()->getChromaCbQpOffset() ); |
---|
| 873 | #endif |
---|
| 874 | |
---|
| 875 | uiWidth >>= 1; |
---|
| 876 | uiHeight >>= 1; |
---|
| 877 | piCoeff = pcCU->getCoeffCb(); pResi = m_ppcYuvResi[uiDepth]->getCbAddr(); |
---|
| 878 | m_pcTrQuant->invRecurTransformNxN ( pcCU, 0, TEXT_CHROMA_U, pResi, 0, m_ppcYuvResi[uiDepth]->getCStride(), uiWidth, uiHeight, uiChromaTrMode, 0, piCoeff ); |
---|
| 879 | |
---|
| 880 | #if CHROMA_QP_EXTENSION |
---|
| 881 | curChromaQpOffset = pcCU->getSlice()->getPPS()->getChromaCrQpOffset() + pcCU->getSlice()->getSliceQpDeltaCr(); |
---|
| 882 | m_pcTrQuant->setQPforQuant( pcCU->getQP( uiAbsPartIdx ), TEXT_CHROMA, pcCU->getSlice()->getSPS()->getQpBDOffsetC(), curChromaQpOffset ); |
---|
| 883 | #else |
---|
| 884 | m_pcTrQuant->setQPforQuant( pcCU->getQP( uiAbsPartIdx ), TEXT_CHROMA, pcCU->getSlice()->getSPS()->getQpBDOffsetC(), pcCU->getSlice()->getPPS()->getChromaCrQpOffset() ); |
---|
| 885 | #endif |
---|
| 886 | |
---|
| 887 | piCoeff = pcCU->getCoeffCr(); pResi = m_ppcYuvResi[uiDepth]->getCrAddr(); |
---|
| 888 | m_pcTrQuant->invRecurTransformNxN ( pcCU, 0, TEXT_CHROMA_V, pResi, 0, m_ppcYuvResi[uiDepth]->getCStride(), uiWidth, uiHeight, uiChromaTrMode, 0, piCoeff ); |
---|
| 889 | } |
---|
| 890 | |
---|
| 891 | /** Function for deriving reconstructed luma/chroma samples of a PCM mode CU. |
---|
| 892 | * \param pcCU pointer to current CU |
---|
| 893 | * \param uiPartIdx part index |
---|
| 894 | * \param piPCM pointer to PCM code arrays |
---|
| 895 | * \param piReco pointer to reconstructed sample arrays |
---|
| 896 | * \param uiStride stride of reconstructed sample arrays |
---|
| 897 | * \param uiWidth CU width |
---|
| 898 | * \param uiHeight CU height |
---|
| 899 | * \param ttText texture component type |
---|
| 900 | * \returns Void |
---|
| 901 | */ |
---|
| 902 | Void TDecCu::xDecodePCMTexture( TComDataCU* pcCU, UInt uiPartIdx, Pel *piPCM, Pel* piReco, UInt uiStride, UInt uiWidth, UInt uiHeight, TextType ttText) |
---|
| 903 | { |
---|
| 904 | UInt uiX, uiY; |
---|
| 905 | Pel* piPicReco; |
---|
| 906 | UInt uiPicStride; |
---|
| 907 | UInt uiPcmLeftShiftBit; |
---|
| 908 | |
---|
| 909 | if( ttText == TEXT_LUMA ) |
---|
| 910 | { |
---|
| 911 | uiPicStride = pcCU->getPic()->getPicYuvRec()->getStride(); |
---|
| 912 | piPicReco = pcCU->getPic()->getPicYuvRec()->getLumaAddr(pcCU->getAddr(), pcCU->getZorderIdxInCU()+uiPartIdx); |
---|
| 913 | uiPcmLeftShiftBit = g_uiBitDepth + g_uiBitIncrement - pcCU->getSlice()->getSPS()->getPCMBitDepthLuma(); |
---|
| 914 | } |
---|
| 915 | else |
---|
| 916 | { |
---|
| 917 | uiPicStride = pcCU->getPic()->getPicYuvRec()->getCStride(); |
---|
| 918 | |
---|
| 919 | if( ttText == TEXT_CHROMA_U ) |
---|
| 920 | { |
---|
| 921 | piPicReco = pcCU->getPic()->getPicYuvRec()->getCbAddr(pcCU->getAddr(), pcCU->getZorderIdxInCU()+uiPartIdx); |
---|
| 922 | } |
---|
| 923 | else |
---|
| 924 | { |
---|
| 925 | piPicReco = pcCU->getPic()->getPicYuvRec()->getCrAddr(pcCU->getAddr(), pcCU->getZorderIdxInCU()+uiPartIdx); |
---|
| 926 | } |
---|
| 927 | uiPcmLeftShiftBit = g_uiBitDepth + g_uiBitIncrement - pcCU->getSlice()->getSPS()->getPCMBitDepthChroma(); |
---|
| 928 | } |
---|
| 929 | |
---|
| 930 | for( uiY = 0; uiY < uiHeight; uiY++ ) |
---|
| 931 | { |
---|
| 932 | for( uiX = 0; uiX < uiWidth; uiX++ ) |
---|
| 933 | { |
---|
| 934 | piReco[uiX] = (piPCM[uiX] << uiPcmLeftShiftBit); |
---|
| 935 | piPicReco[uiX] = piReco[uiX]; |
---|
| 936 | } |
---|
| 937 | piPCM += uiWidth; |
---|
| 938 | piReco += uiStride; |
---|
| 939 | piPicReco += uiPicStride; |
---|
| 940 | } |
---|
| 941 | } |
---|
| 942 | |
---|
| 943 | /** Function for reconstructing a PCM mode CU. |
---|
| 944 | * \param pcCU pointer to current CU |
---|
| 945 | * \param uiAbsPartIdx CU index |
---|
| 946 | * \param uiDepth CU Depth |
---|
| 947 | * \returns Void |
---|
| 948 | */ |
---|
| 949 | Void TDecCu::xReconPCM( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 950 | { |
---|
| 951 | // Luma |
---|
| 952 | UInt uiWidth = (g_uiMaxCUWidth >> uiDepth); |
---|
| 953 | UInt uiHeight = (g_uiMaxCUHeight >> uiDepth); |
---|
| 954 | |
---|
| 955 | Pel* piPcmY = pcCU->getPCMSampleY(); |
---|
| 956 | Pel* piRecoY = m_ppcYuvReco[uiDepth]->getLumaAddr(0, uiWidth); |
---|
| 957 | |
---|
| 958 | UInt uiStride = m_ppcYuvResi[uiDepth]->getStride(); |
---|
| 959 | |
---|
| 960 | xDecodePCMTexture( pcCU, 0, piPcmY, piRecoY, uiStride, uiWidth, uiHeight, TEXT_LUMA); |
---|
| 961 | |
---|
| 962 | // Cb and Cr |
---|
| 963 | UInt uiCWidth = (uiWidth>>1); |
---|
| 964 | UInt uiCHeight = (uiHeight>>1); |
---|
| 965 | |
---|
| 966 | Pel* piPcmCb = pcCU->getPCMSampleCb(); |
---|
| 967 | Pel* piPcmCr = pcCU->getPCMSampleCr(); |
---|
| 968 | Pel* pRecoCb = m_ppcYuvReco[uiDepth]->getCbAddr(); |
---|
| 969 | Pel* pRecoCr = m_ppcYuvReco[uiDepth]->getCrAddr(); |
---|
| 970 | |
---|
| 971 | UInt uiCStride = m_ppcYuvReco[uiDepth]->getCStride(); |
---|
| 972 | |
---|
| 973 | xDecodePCMTexture( pcCU, 0, piPcmCb, pRecoCb, uiCStride, uiCWidth, uiCHeight, TEXT_CHROMA_U); |
---|
| 974 | xDecodePCMTexture( pcCU, 0, piPcmCr, pRecoCr, uiCStride, uiCWidth, uiCHeight, TEXT_CHROMA_V); |
---|
| 975 | } |
---|
| 976 | |
---|
| 977 | /** Function for filling the PCM buffer of a CU using its reconstructed sample array |
---|
| 978 | * \param pcCU pointer to current CU |
---|
| 979 | * \param uiAbsPartIdx CU index |
---|
| 980 | * \param uiDepth CU Depth |
---|
| 981 | * \returns Void |
---|
| 982 | */ |
---|
| 983 | Void TDecCu::xFillPCMBuffer(TComDataCU* pCU, UInt absPartIdx, UInt depth) |
---|
| 984 | { |
---|
| 985 | // Luma |
---|
| 986 | UInt width = (g_uiMaxCUWidth >> depth); |
---|
| 987 | UInt height = (g_uiMaxCUHeight >> depth); |
---|
| 988 | |
---|
| 989 | Pel* pPcmY = pCU->getPCMSampleY(); |
---|
| 990 | Pel* pRecoY = m_ppcYuvReco[depth]->getLumaAddr(0, width); |
---|
| 991 | |
---|
| 992 | UInt stride = m_ppcYuvReco[depth]->getStride(); |
---|
| 993 | |
---|
| 994 | for(Int y = 0; y < height; y++ ) |
---|
| 995 | { |
---|
| 996 | for(Int x = 0; x < width; x++ ) |
---|
| 997 | { |
---|
| 998 | pPcmY[x] = pRecoY[x]; |
---|
| 999 | } |
---|
| 1000 | pPcmY += width; |
---|
| 1001 | pRecoY += stride; |
---|
| 1002 | } |
---|
| 1003 | |
---|
| 1004 | // Cb and Cr |
---|
| 1005 | UInt widthC = (width>>1); |
---|
| 1006 | UInt heightC = (height>>1); |
---|
| 1007 | |
---|
| 1008 | Pel* pPcmCb = pCU->getPCMSampleCb(); |
---|
| 1009 | Pel* pPcmCr = pCU->getPCMSampleCr(); |
---|
| 1010 | Pel* pRecoCb = m_ppcYuvReco[depth]->getCbAddr(); |
---|
| 1011 | Pel* pRecoCr = m_ppcYuvReco[depth]->getCrAddr(); |
---|
| 1012 | |
---|
| 1013 | UInt strideC = m_ppcYuvReco[depth]->getCStride(); |
---|
| 1014 | |
---|
| 1015 | for(Int y = 0; y < heightC; y++ ) |
---|
| 1016 | { |
---|
| 1017 | for(Int x = 0; x < widthC; x++ ) |
---|
| 1018 | { |
---|
| 1019 | pPcmCb[x] = pRecoCb[x]; |
---|
| 1020 | pPcmCr[x] = pRecoCr[x]; |
---|
| 1021 | } |
---|
| 1022 | pPcmCr += widthC; |
---|
| 1023 | pPcmCb += widthC; |
---|
| 1024 | pRecoCb += strideC; |
---|
| 1025 | pRecoCr += strideC; |
---|
| 1026 | } |
---|
| 1027 | |
---|
| 1028 | } |
---|
| 1029 | |
---|
| 1030 | //! \} |
---|