| 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) 2010-2011, 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 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 | |
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| 35 | |
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| 36 | /** \file TComLoopFilter.cpp |
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| 37 | \brief deblocking filter |
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| 38 | */ |
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| 39 | |
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| 40 | #include "TComLoopFilter.h" |
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| 41 | #include "TComSlice.h" |
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| 42 | #include "TComMv.h" |
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| 43 | |
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| 44 | // ==================================================================================================================== |
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| 45 | // Constants |
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| 46 | // ==================================================================================================================== |
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| 47 | |
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| 48 | #define EDGE_VER 0 |
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| 49 | #define EDGE_HOR 1 |
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| 50 | #define QpUV(iQpY) ( g_aucChromaScale[ Max( Min( (iQpY), MAX_QP ), MIN_QP ) ] ) |
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| 51 | |
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| 52 | |
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| 53 | #if (PARALLEL_DEBLK_DECISION && !PARALLEL_MERGED_DEBLK) |
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| 54 | #define DECIDE_FILTER 0 |
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| 55 | #define EXECUTE_FILTER 1 |
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| 56 | #define DECIDE_AND_EXECUTE_FILTER 2 |
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| 57 | #endif |
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| 58 | |
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| 59 | |
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| 60 | |
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| 61 | // ==================================================================================================================== |
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| 62 | // Tables |
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| 63 | // ==================================================================================================================== |
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| 64 | |
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| 65 | const UChar tctable_8x8[56] = |
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| 66 | { |
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| 67 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,5,5,6,6,7,8,9,9,10,10,11,11,12,12,13,13,14,14 |
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| 68 | }; |
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| 69 | |
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| 70 | const UChar betatable_8x8[52] = |
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| 71 | { |
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| 72 | 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,7,8,9,10,11,12,13,14,15,16,17,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62,64 |
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| 73 | }; |
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| 74 | |
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| 75 | // ==================================================================================================================== |
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| 76 | // Constructor / destructor / create / destroy |
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| 77 | // ==================================================================================================================== |
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| 78 | |
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| 79 | TComLoopFilter::TComLoopFilter() |
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| 80 | : m_uiNumPartitions( 0 ) |
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| 81 | { |
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| 82 | m_uiDisableDeblockingFilterIdc = 0; |
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| 83 | } |
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| 84 | |
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| 85 | TComLoopFilter::~TComLoopFilter() |
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| 86 | { |
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| 87 | } |
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| 88 | |
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| 89 | // ==================================================================================================================== |
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| 90 | // Public member functions |
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| 91 | // ==================================================================================================================== |
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| 92 | |
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| 93 | Void TComLoopFilter::setCfg( UInt uiDisableDblkIdc, Int iAlphaOffset, Int iBetaOffset) |
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| 94 | { |
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| 95 | m_uiDisableDeblockingFilterIdc = uiDisableDblkIdc; |
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| 96 | } |
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| 97 | |
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| 98 | Void TComLoopFilter::create( UInt uiMaxCUDepth ) |
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| 99 | { |
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| 100 | m_uiNumPartitions = 1 << ( uiMaxCUDepth<<1 ); |
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| 101 | for( UInt uiDir = 0; uiDir < 2; uiDir++ ) |
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| 102 | { |
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| 103 | for( UInt uiPlane = 0; uiPlane < 3; uiPlane++ ) |
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| 104 | { |
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| 105 | m_aapucBS [uiDir][uiPlane] = new UChar[m_uiNumPartitions]; |
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| 106 | m_aapbEdgeFilter[uiDir][uiPlane] = new Bool [m_uiNumPartitions]; |
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| 107 | } |
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| 108 | } |
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| 109 | } |
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| 110 | |
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| 111 | Void TComLoopFilter::destroy() |
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| 112 | { |
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| 113 | for( UInt uiDir = 0; uiDir < 2; uiDir++ ) |
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| 114 | { |
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| 115 | for( UInt uiPlane = 0; uiPlane < 3; uiPlane++ ) |
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| 116 | { |
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| 117 | delete [] m_aapucBS [uiDir][uiPlane]; |
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| 118 | delete [] m_aapbEdgeFilter[uiDir][uiPlane]; |
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| 119 | } |
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| 120 | } |
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| 121 | } |
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| 122 | |
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| 123 | /** |
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| 124 | - call deblocking function for every CU |
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| 125 | . |
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| 126 | \param pcPic picture class (TComPic) pointer |
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| 127 | */ |
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| 128 | Void TComLoopFilter::loopFilterPic( TComPic* pcPic ) |
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| 129 | { |
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| 130 | if (m_uiDisableDeblockingFilterIdc == 1) |
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| 131 | return; |
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| 132 | |
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| 133 | #if PARALLEL_MERGED_DEBLK |
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| 134 | // add extra buffer and copy pic |
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| 135 | pcPic->addDeblockBuffer(); |
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| 136 | pcPic->getPicYuvRec()->copyToPicLuma(pcPic->getPicYuvDeblkBuf()); |
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| 137 | |
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| 138 | // Horizontal filtering |
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| 139 | for ( UInt uiCUAddr = 0; uiCUAddr < pcPic->getNumCUsInFrame(); uiCUAddr++ ) |
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| 140 | { |
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| 141 | TComDataCU* pcCU = pcPic->getCU( uiCUAddr ); |
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| 142 | |
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| 143 | for( Int iPlane = 0; iPlane < 3; iPlane++ ) |
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| 144 | { |
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| 145 | ::memset( m_aapucBS [EDGE_VER][iPlane], 0, sizeof( UChar ) * m_uiNumPartitions ); |
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| 146 | assert( 0 == false ); |
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| 147 | ::memset( m_aapbEdgeFilter[EDGE_VER][iPlane], 0, sizeof( bool ) * m_uiNumPartitions ); |
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| 148 | } |
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| 149 | |
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| 150 | // CU-based deblocking |
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| 151 | xDeblockCU( pcCU, 0, 0, EDGE_VER ); |
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| 152 | } |
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| 153 | |
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| 154 | // Vertical filtering |
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| 155 | for ( UInt uiCUAddr = 0; uiCUAddr < pcPic->getNumCUsInFrame(); uiCUAddr++ ) |
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| 156 | { |
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| 157 | TComDataCU* pcCU = pcPic->getCU( uiCUAddr ); |
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| 158 | |
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| 159 | for( Int iPlane = 0; iPlane < 3; iPlane++ ) |
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| 160 | { |
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| 161 | ::memset( m_aapucBS [EDGE_HOR][iPlane], 0, sizeof( UChar ) * m_uiNumPartitions ); |
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| 162 | assert( 0 == false ); |
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| 163 | ::memset( m_aapbEdgeFilter[EDGE_HOR][iPlane], 0, sizeof( bool ) * m_uiNumPartitions ); |
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| 164 | } |
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| 165 | |
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| 166 | // CU-based deblocking |
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| 167 | xDeblockCU( pcCU, 0, 0, EDGE_HOR ); |
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| 168 | } |
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| 169 | |
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| 170 | // remove extra pic buffer |
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| 171 | pcPic->removeDeblockBuffer(); |
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| 172 | #else |
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| 173 | // for every CU |
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| 174 | for ( UInt uiCUAddr = 0; uiCUAddr < pcPic->getNumCUsInFrame(); uiCUAddr++ ) |
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| 175 | { |
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| 176 | TComDataCU* pcCU = pcPic->getCU( uiCUAddr ); |
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| 177 | |
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| 178 | for( Int iDir = EDGE_VER; iDir <= EDGE_HOR; iDir++ ) |
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| 179 | { |
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| 180 | for( Int iPlane = 0; iPlane < 3; iPlane++ ) |
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| 181 | { |
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| 182 | ::memset( m_aapucBS [iDir][iPlane], 0, sizeof( UChar ) * m_uiNumPartitions ); |
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| 183 | assert( 0 == false ); |
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| 184 | ::memset( m_aapbEdgeFilter[iDir][iPlane], 0, sizeof( bool ) * m_uiNumPartitions ); |
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| 185 | } |
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| 186 | } |
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| 187 | // CU-based deblocking |
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| 188 | xDeblockCU( pcCU, 0, 0 ); |
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| 189 | } |
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| 190 | #endif |
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| 191 | } |
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| 192 | |
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| 193 | |
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| 194 | // ==================================================================================================================== |
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| 195 | // Protected member functions |
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| 196 | // ==================================================================================================================== |
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| 197 | |
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| 198 | #if PARALLEL_MERGED_DEBLK |
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| 199 | /** |
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| 200 | - Deblocking filter process in CU-based (the same function as conventional's) |
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| 201 | . |
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| 202 | \param Edge the direction of the edge in block boundary (horizonta/vertical), which is added newly |
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| 203 | */ |
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| 204 | Void TComLoopFilter::xDeblockCU( TComDataCU* pcCU, UInt uiAbsZorderIdx, UInt uiDepth, Int Edge ) |
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| 205 | #else |
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| 206 | Void TComLoopFilter::xDeblockCU( TComDataCU* pcCU, UInt uiAbsZorderIdx, UInt uiDepth ) |
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| 207 | #endif |
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| 208 | { |
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| 209 | TComPic* pcPic = pcCU->getPic(); |
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| 210 | UInt uiCurNumParts = pcPic->getNumPartInCU() >> (uiDepth<<1); |
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| 211 | UInt uiQNumParts = uiCurNumParts>>2; |
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| 212 | |
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| 213 | if( pcCU->getDepth(uiAbsZorderIdx) > uiDepth ) |
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| 214 | { |
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| 215 | for ( UInt uiPartIdx = 0; uiPartIdx < 4; uiPartIdx++, uiAbsZorderIdx+=uiQNumParts ) |
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| 216 | { |
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| 217 | UInt uiLPelX = pcCU->getCUPelX() + g_auiRasterToPelX[ g_auiZscanToRaster[uiAbsZorderIdx] ]; |
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| 218 | UInt uiTPelY = pcCU->getCUPelY() + g_auiRasterToPelY[ g_auiZscanToRaster[uiAbsZorderIdx] ]; |
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| 219 | if( ( uiLPelX < pcCU->getSlice()->getSPS()->getWidth() ) && ( uiTPelY < pcCU->getSlice()->getSPS()->getHeight() ) ) |
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| 220 | #if PARALLEL_MERGED_DEBLK |
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| 221 | xDeblockCU( pcCU, uiAbsZorderIdx, uiDepth+1, Edge ); |
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| 222 | #else |
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| 223 | xDeblockCU( pcCU, uiAbsZorderIdx, uiDepth+1 ); |
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| 224 | #endif |
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| 225 | } |
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| 226 | return; |
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| 227 | } |
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| 228 | |
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| 229 | xSetLoopfilterParam( pcCU, uiAbsZorderIdx ); |
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| 230 | |
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| 231 | xSetEdgefilterTU ( pcCU, uiAbsZorderIdx, uiDepth ); |
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| 232 | xSetEdgefilterPU ( pcCU, uiAbsZorderIdx ); |
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| 233 | |
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| 234 | #if PARALLEL_MERGED_DEBLK |
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| 235 | Int iDir = Edge; |
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| 236 | #else |
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| 237 | for ( Int iDir = EDGE_VER; iDir <= EDGE_HOR; iDir++ ) |
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| 238 | #endif |
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| 239 | { |
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| 240 | for( UInt uiPartIdx = uiAbsZorderIdx; uiPartIdx < uiAbsZorderIdx + uiCurNumParts; uiPartIdx++ ) |
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| 241 | { |
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| 242 | if ( m_aapbEdgeFilter[iDir][0][uiPartIdx] ) |
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| 243 | { |
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| 244 | xGetBoundaryStrengthSingle ( pcCU, uiAbsZorderIdx, iDir, uiPartIdx ); |
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| 245 | } |
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| 246 | } |
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| 247 | } |
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| 248 | |
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| 249 | UInt uiPelsInPart = g_uiMaxCUWidth >> g_uiMaxCUDepth; |
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| 250 | UInt PartIdxIncr = DEBLOCK_SMALLEST_BLOCK / uiPelsInPart ? DEBLOCK_SMALLEST_BLOCK / uiPelsInPart : 1 ; |
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| 251 | |
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| 252 | UInt uiSizeInPU = pcPic->getNumPartInWidth()>>(uiDepth); |
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| 253 | |
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| 254 | #if (PARALLEL_DEBLK_DECISION && !PARALLEL_MERGED_DEBLK) |
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| 255 | for ( UInt iEdge = 0; iEdge < uiSizeInPU ; iEdge+=PartIdxIncr) |
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| 256 | { |
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| 257 | xEdgeFilterLuma ( pcCU, uiAbsZorderIdx, uiDepth, EDGE_HOR, iEdge, DECIDE_FILTER);//Decide horizontal filter |
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| 258 | } |
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| 259 | for ( UInt iEdge = 0; iEdge < uiSizeInPU ; iEdge+=PartIdxIncr) |
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| 260 | { |
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| 261 | xEdgeFilterLuma ( pcCU, uiAbsZorderIdx, uiDepth, EDGE_VER, iEdge, DECIDE_AND_EXECUTE_FILTER);//Decide vertical filter |
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| 262 | if ( (iEdge % ( (DEBLOCK_SMALLEST_BLOCK<<1)/uiPelsInPart ) ) == 0 ) |
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| 263 | { |
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| 264 | xEdgeFilterChroma ( pcCU, uiAbsZorderIdx, uiDepth, EDGE_VER, iEdge ); |
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| 265 | } |
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| 266 | } |
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| 267 | for ( UInt iEdge = 0; iEdge < uiSizeInPU ; iEdge+=PartIdxIncr) |
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| 268 | { |
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| 269 | xEdgeFilterLuma ( pcCU, uiAbsZorderIdx, uiDepth, EDGE_HOR, iEdge, EXECUTE_FILTER );//Execute horizontal filter |
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| 270 | if ( (iEdge % ( (DEBLOCK_SMALLEST_BLOCK<<1)/uiPelsInPart ) ) == 0 ) |
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| 271 | { |
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| 272 | xEdgeFilterChroma ( pcCU, uiAbsZorderIdx, uiDepth, EDGE_HOR, iEdge ); |
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| 273 | } |
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| 274 | } |
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| 275 | #else |
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| 276 | #if !PARALLEL_MERGED_DEBLK |
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| 277 | for ( Int iDir = EDGE_VER; iDir <= EDGE_HOR; iDir++ ) |
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| 278 | #endif |
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| 279 | { |
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| 280 | for ( UInt iEdge = 0; iEdge < uiSizeInPU ; iEdge+=PartIdxIncr) |
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| 281 | { |
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| 282 | xEdgeFilterLuma ( pcCU, uiAbsZorderIdx, uiDepth, iDir, iEdge ); |
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| 283 | if ( (iEdge % ( (DEBLOCK_SMALLEST_BLOCK<<1)/uiPelsInPart ) ) == 0 ) |
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| 284 | xEdgeFilterChroma ( pcCU, uiAbsZorderIdx, uiDepth, iDir, iEdge ); |
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| 285 | } |
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| 286 | } |
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| 287 | #endif |
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| 288 | } |
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| 289 | |
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| 290 | Void TComLoopFilter::xSetEdgefilterMultiple( TComDataCU* pcCU, UInt uiAbsZorderIdx, UInt uiDepth, Int iDir, Int iEdgeIdx, Bool bValue ) |
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| 291 | { |
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| 292 | const UInt uiWidthInBaseUnits = pcCU->getPic()->getNumPartInWidth () >> uiDepth; |
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| 293 | const UInt uiHeightInBaseUnits = pcCU->getPic()->getNumPartInHeight() >> uiDepth; |
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| 294 | const UInt uiNumElem = iDir == 0 ? uiHeightInBaseUnits : uiWidthInBaseUnits; |
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| 295 | assert( uiNumElem > 0 ); |
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| 296 | for( UInt ui = 0; ui < uiNumElem; ui++ ) |
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| 297 | { |
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| 298 | const UInt uiBsIdx = xCalcBsIdx( pcCU, uiAbsZorderIdx, iDir, iEdgeIdx, ui ); |
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| 299 | m_aapbEdgeFilter[iDir][0][uiBsIdx] = bValue; |
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| 300 | m_aapbEdgeFilter[iDir][1][uiBsIdx] = bValue; |
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| 301 | m_aapbEdgeFilter[iDir][2][uiBsIdx] = bValue; |
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| 302 | } |
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| 303 | } |
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| 304 | |
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| 305 | Void TComLoopFilter::xSetEdgefilterTU( TComDataCU* pcCU, UInt uiAbsZorderIdx, UInt uiDepth ) |
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| 306 | { |
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| 307 | if( pcCU->getTransformIdx( uiAbsZorderIdx ) + pcCU->getDepth( uiAbsZorderIdx) > uiDepth ) |
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| 308 | { |
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| 309 | const UInt uiCurNumParts = pcCU->getPic()->getNumPartInCU() >> (uiDepth<<1); |
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| 310 | const UInt uiQNumParts = uiCurNumParts>>2; |
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| 311 | for ( UInt uiPartIdx = 0; uiPartIdx < 4; uiPartIdx++, uiAbsZorderIdx+=uiQNumParts ) |
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| 312 | { |
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| 313 | xSetEdgefilterTU( pcCU, uiAbsZorderIdx, uiDepth+1 ); |
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| 314 | } |
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| 315 | return; |
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| 316 | } |
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| 317 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_VER, 0, m_stLFCUParam.bInternalEdge ); |
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| 318 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_HOR, 0, m_stLFCUParam.bInternalEdge ); |
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| 319 | } |
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| 320 | |
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| 321 | Void TComLoopFilter::xSetEdgefilterPU( TComDataCU* pcCU, UInt uiAbsZorderIdx ) |
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| 322 | { |
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| 323 | const UInt uiDepth = pcCU->getDepth( uiAbsZorderIdx ); |
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| 324 | const UInt uiWidthInBaseUnits = pcCU->getPic()->getNumPartInWidth () >> uiDepth; |
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| 325 | const UInt uiHeightInBaseUnits = pcCU->getPic()->getNumPartInHeight() >> uiDepth; |
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| 326 | const UInt uiHWidthInBaseUnits = uiWidthInBaseUnits >> 1; |
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| 327 | const UInt uiHHeightInBaseUnits = uiHeightInBaseUnits >> 1; |
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| 328 | |
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| 329 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_VER, 0, m_stLFCUParam.bLeftEdge ); |
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| 330 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_HOR, 0, m_stLFCUParam.bTopEdge ); |
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| 331 | |
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| 332 | switch ( pcCU->getPartitionSize( uiAbsZorderIdx ) ) |
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| 333 | { |
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| 334 | case SIZE_2Nx2N: |
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| 335 | { |
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| 336 | break; |
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| 337 | } |
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| 338 | case SIZE_2NxN: |
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| 339 | { |
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| 340 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_HOR, uiHHeightInBaseUnits, m_stLFCUParam.bInternalEdge ); |
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| 341 | break; |
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| 342 | } |
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| 343 | case SIZE_Nx2N: |
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| 344 | { |
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| 345 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_VER, uiHWidthInBaseUnits, m_stLFCUParam.bInternalEdge ); |
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| 346 | break; |
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| 347 | } |
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| 348 | case SIZE_NxN: |
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| 349 | { |
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| 350 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_VER, uiHWidthInBaseUnits, m_stLFCUParam.bInternalEdge ); |
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| 351 | xSetEdgefilterMultiple( pcCU, uiAbsZorderIdx, uiDepth, EDGE_HOR, uiHHeightInBaseUnits, m_stLFCUParam.bInternalEdge ); |
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| 352 | break; |
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| 353 | } |
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| 354 | default: |
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| 355 | { |
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| 356 | assert(0); |
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| 357 | break; |
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| 358 | } |
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| 359 | } |
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| 360 | } |
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| 361 | |
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| 362 | |
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| 363 | Void TComLoopFilter::xSetLoopfilterParam( TComDataCU* pcCU, UInt uiAbsZorderIdx ) |
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| 364 | { |
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| 365 | UInt uiX = pcCU->getCUPelX() + g_auiRasterToPelX[ g_auiZscanToRaster[ uiAbsZorderIdx ] ]; |
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| 366 | UInt uiY = pcCU->getCUPelY() + g_auiRasterToPelY[ g_auiZscanToRaster[ uiAbsZorderIdx ] ]; |
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| 367 | |
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| 368 | #if MTK_NONCROSS_INLOOP_FILTER |
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| 369 | TComDataCU* pcTempCU; |
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| 370 | UInt uiTempPartIdx; |
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| 371 | #endif |
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| 372 | |
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| 373 | m_stLFCUParam.bInternalEdge = m_uiDisableDeblockingFilterIdc ? false : true ; |
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| 374 | |
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| 375 | if ( (uiX == 0) || (m_uiDisableDeblockingFilterIdc == 1) ) |
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| 376 | m_stLFCUParam.bLeftEdge = false; |
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| 377 | else |
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| 378 | m_stLFCUParam.bLeftEdge = true; |
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| 379 | #if MTK_NONCROSS_INLOOP_FILTER |
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| 380 | if ( m_stLFCUParam.bLeftEdge ) |
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| 381 | { |
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| 382 | pcTempCU = pcCU->getPULeft( uiTempPartIdx, uiAbsZorderIdx, !pcCU->getSlice()->getSPS()->getLFCrossSliceBoundaryFlag(), false ); |
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| 383 | if ( pcTempCU ) |
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| 384 | m_stLFCUParam.bLeftEdge = true; |
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| 385 | else |
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| 386 | m_stLFCUParam.bLeftEdge = false; |
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| 387 | } |
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| 388 | #endif |
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| 389 | |
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| 390 | if ( (uiY == 0 ) || (m_uiDisableDeblockingFilterIdc == 1) ) |
|---|
| 391 | m_stLFCUParam.bTopEdge = false; |
|---|
| 392 | else |
|---|
| 393 | m_stLFCUParam.bTopEdge = true; |
|---|
| 394 | #if MTK_NONCROSS_INLOOP_FILTER |
|---|
| 395 | if ( m_stLFCUParam.bTopEdge ) |
|---|
| 396 | { |
|---|
| 397 | pcTempCU = pcCU->getPUAbove( uiTempPartIdx, uiAbsZorderIdx, !pcCU->getSlice()->getSPS()->getLFCrossSliceBoundaryFlag(), false ); |
|---|
| 398 | if ( pcTempCU ) |
|---|
| 399 | m_stLFCUParam.bTopEdge = true; |
|---|
| 400 | else |
|---|
| 401 | m_stLFCUParam.bTopEdge = false; |
|---|
| 402 | } |
|---|
| 403 | #endif |
|---|
| 404 | } |
|---|
| 405 | |
|---|
| 406 | Void TComLoopFilter::xGetBoundaryStrengthSingle ( TComDataCU* pcCU, UInt uiAbsZorderIdx, Int iDir, UInt uiAbsPartIdx ) |
|---|
| 407 | { |
|---|
| 408 | const UInt uiHWidth = pcCU->getWidth( uiAbsZorderIdx ) >> 1; |
|---|
| 409 | const UInt uiHHeight = pcCU->getHeight( uiAbsZorderIdx ) >> 1; |
|---|
| 410 | const bool bAtCUBoundary = iDir == EDGE_VER ? g_auiRasterToPelX[g_auiZscanToRaster[uiAbsZorderIdx]] == g_auiRasterToPelX[g_auiZscanToRaster[uiAbsPartIdx]] |
|---|
| 411 | : g_auiRasterToPelY[g_auiZscanToRaster[uiAbsZorderIdx]] == g_auiRasterToPelY[g_auiZscanToRaster[uiAbsPartIdx]]; |
|---|
| 412 | const bool bAtCUHalf = iDir == EDGE_VER ? ( g_auiRasterToPelX[g_auiZscanToRaster[uiAbsZorderIdx]] + uiHWidth ) == g_auiRasterToPelX[g_auiZscanToRaster[uiAbsPartIdx]] |
|---|
| 413 | : ( g_auiRasterToPelY[g_auiZscanToRaster[uiAbsZorderIdx]] + uiHHeight ) == g_auiRasterToPelY[g_auiZscanToRaster[uiAbsPartIdx]]; |
|---|
| 414 | TComSlice* const pcSlice = pcCU->getSlice(); |
|---|
| 415 | |
|---|
| 416 | const UInt uiPartQ = uiAbsPartIdx; |
|---|
| 417 | TComDataCU* const pcCUQ = pcCU; |
|---|
| 418 | |
|---|
| 419 | UInt uiPartP; |
|---|
| 420 | TComDataCU* pcCUP; |
|---|
| 421 | UInt uiBs; |
|---|
| 422 | |
|---|
| 423 | #if MTK_NONCROSS_INLOOP_FILTER |
|---|
| 424 | //-- Calculate Block Index |
|---|
| 425 | if (iDir == EDGE_VER) |
|---|
| 426 | { |
|---|
| 427 | pcCUP = pcCUQ->getPULeft(uiPartP, uiPartQ, !pcCU->getSlice()->getSPS()->getLFCrossSliceBoundaryFlag(), false); |
|---|
| 428 | } |
|---|
| 429 | else // (iDir == EDGE_HOR) |
|---|
| 430 | { |
|---|
| 431 | pcCUP = pcCUQ->getPUAbove(uiPartP, uiPartQ, !pcCU->getSlice()->getSPS()->getLFCrossSliceBoundaryFlag(), false); |
|---|
| 432 | } |
|---|
| 433 | #else |
|---|
| 434 | //-- Calculate Block Index |
|---|
| 435 | if (iDir == EDGE_VER) |
|---|
| 436 | { |
|---|
| 437 | pcCUP = pcCUQ->getPULeft(uiPartP, uiPartQ, false, false); |
|---|
| 438 | } |
|---|
| 439 | else // (iDir == EDGE_HOR) |
|---|
| 440 | { |
|---|
| 441 | pcCUP = pcCUQ->getPUAbove(uiPartP, uiPartQ, false, false); |
|---|
| 442 | } |
|---|
| 443 | #endif |
|---|
| 444 | |
|---|
| 445 | //-- Set BS for Intra MB : BS = 4 or 3 |
|---|
| 446 | if ( pcCUP->isIntra(uiPartP) || pcCUQ->isIntra(uiPartQ) ) |
|---|
| 447 | { |
|---|
| 448 | uiBs = bAtCUBoundary ? 4 : 3; // Intra MB && MB boundary |
|---|
| 449 | } |
|---|
| 450 | |
|---|
| 451 | //-- Set BS for not Intra MB : BS = 2 or 1 or 0 |
|---|
| 452 | if ( !pcCUP->isIntra(uiPartP) && !pcCUQ->isIntra(uiPartQ) ) |
|---|
| 453 | { |
|---|
| 454 | if ( pcCUQ->getCbf( uiPartQ, TEXT_LUMA, pcCUQ->getTransformIdx(uiPartQ)) != 0 || pcCUP->getCbf( uiPartP, TEXT_LUMA, pcCUP->getTransformIdx(uiPartP) ) != 0) |
|---|
| 455 | { |
|---|
| 456 | uiBs = 2; |
|---|
| 457 | } |
|---|
| 458 | else |
|---|
| 459 | { |
|---|
| 460 | if (pcSlice->isInterB()) |
|---|
| 461 | { |
|---|
| 462 | Int iRefIdx; |
|---|
| 463 | Int *piRefP0, *piRefP1, *piRefQ0, *piRefQ1; |
|---|
| 464 | iRefIdx = pcCUP->getCUMvField(REF_PIC_LIST_0)->getRefIdx(uiPartP); |
|---|
| 465 | piRefP0 = (iRefIdx < 0) ? NULL : (Int*) pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx); |
|---|
| 466 | iRefIdx = pcCUP->getCUMvField(REF_PIC_LIST_1)->getRefIdx(uiPartP); |
|---|
| 467 | piRefP1 = (iRefIdx < 0) ? NULL : (Int*) pcSlice->getRefPic(REF_PIC_LIST_1, iRefIdx); |
|---|
| 468 | iRefIdx = pcCUQ->getCUMvField(REF_PIC_LIST_0)->getRefIdx(uiPartQ); |
|---|
| 469 | piRefQ0 = (iRefIdx < 0) ? NULL : (Int*) pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx); |
|---|
| 470 | iRefIdx = pcCUQ->getCUMvField(REF_PIC_LIST_1)->getRefIdx(uiPartQ); |
|---|
| 471 | piRefQ1 = (iRefIdx < 0) ? NULL : (Int*) pcSlice->getRefPic(REF_PIC_LIST_1, iRefIdx); |
|---|
| 472 | |
|---|
| 473 | |
|---|
| 474 | TComMv pcMvP0 = pcCUP->getCUMvField(REF_PIC_LIST_0)->getMv(uiPartP); |
|---|
| 475 | TComMv pcMvP1 = pcCUP->getCUMvField(REF_PIC_LIST_1)->getMv(uiPartP); |
|---|
| 476 | TComMv pcMvQ0 = pcCUQ->getCUMvField(REF_PIC_LIST_0)->getMv(uiPartQ); |
|---|
| 477 | TComMv pcMvQ1 = pcCUQ->getCUMvField(REF_PIC_LIST_1)->getMv(uiPartQ); |
|---|
| 478 | |
|---|
| 479 | if ( ((piRefP0==piRefQ0)&&(piRefP1==piRefQ1)) || ((piRefP0==piRefQ1)&&(piRefP1==piRefQ0)) ) |
|---|
| 480 | { |
|---|
| 481 | uiBs = 0; |
|---|
| 482 | if ( piRefP0 != piRefP1 ) // Different L0 & L1 |
|---|
| 483 | { |
|---|
| 484 | if ( piRefP0 == piRefQ0 ) |
|---|
| 485 | { |
|---|
| 486 | pcMvP0 -= pcMvQ0; pcMvP1 -= pcMvQ1; |
|---|
| 487 | uiBs = (pcMvP0.getAbsHor() >= 4) | (pcMvP0.getAbsVer() >= 4) | |
|---|
| 488 | (pcMvP1.getAbsHor() >= 4) | (pcMvP1.getAbsVer() >= 4); |
|---|
| 489 | } |
|---|
| 490 | else |
|---|
| 491 | { |
|---|
| 492 | pcMvP0 -= pcMvQ1; pcMvP1 -= pcMvQ0; |
|---|
| 493 | uiBs = (pcMvP0.getAbsHor() >= 4) | (pcMvP0.getAbsVer() >= 4) | |
|---|
| 494 | (pcMvP1.getAbsHor() >= 4) | (pcMvP1.getAbsVer() >= 4); |
|---|
| 495 | } |
|---|
| 496 | } |
|---|
| 497 | else // Same L0 & L1 |
|---|
| 498 | { |
|---|
| 499 | TComMv pcMvSub0 = pcMvP0 - pcMvQ0; |
|---|
| 500 | TComMv pcMvSub1 = pcMvP1 - pcMvQ1; |
|---|
| 501 | pcMvP0 -= pcMvQ1; pcMvP1 -= pcMvQ0; |
|---|
| 502 | uiBs = ( (pcMvP0.getAbsHor() >= 4) | (pcMvP0.getAbsVer() >= 4) | |
|---|
| 503 | (pcMvP1.getAbsHor() >= 4) | (pcMvP1.getAbsVer() >= 4) ) && |
|---|
| 504 | ( (pcMvSub0.getAbsHor() >= 4) | (pcMvSub0.getAbsVer() >= 4) | |
|---|
| 505 | (pcMvSub1.getAbsHor() >= 4) | (pcMvSub1.getAbsVer() >= 4) ); |
|---|
| 506 | } |
|---|
| 507 | } |
|---|
| 508 | else // for all different Ref_Idx |
|---|
| 509 | { |
|---|
| 510 | uiBs = 1; |
|---|
| 511 | } |
|---|
| 512 | } |
|---|
| 513 | else // pcSlice->isInterP() |
|---|
| 514 | { |
|---|
| 515 | Int iRefIdx; |
|---|
| 516 | Int *piRefP0, *piRefQ0; |
|---|
| 517 | iRefIdx = pcCUP->getCUMvField(REF_PIC_LIST_0)->getRefIdx(uiPartP); |
|---|
| 518 | piRefP0 = (iRefIdx < 0) ? NULL : (Int*) pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx); |
|---|
| 519 | iRefIdx = pcCUQ->getCUMvField(REF_PIC_LIST_0)->getRefIdx(uiPartQ); |
|---|
| 520 | piRefQ0 = (iRefIdx < 0) ? NULL : (Int*) pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx); |
|---|
| 521 | TComMv pcMvP0 = pcCUP->getCUMvField(REF_PIC_LIST_0)->getMv(uiPartP); |
|---|
| 522 | TComMv pcMvQ0 = pcCUQ->getCUMvField(REF_PIC_LIST_0)->getMv(uiPartQ); |
|---|
| 523 | |
|---|
| 524 | pcMvP0 -= pcMvQ0; |
|---|
| 525 | uiBs = (piRefP0 != piRefQ0) | (pcMvP0.getAbsHor() >= 4) | (pcMvP0.getAbsVer() >= 4); |
|---|
| 526 | } |
|---|
| 527 | } // enf of "if( one of BCBP == 0 )" |
|---|
| 528 | } // enf of "if( not Intra )" |
|---|
| 529 | |
|---|
| 530 | m_aapucBS[iDir][0][uiAbsPartIdx] = uiBs; |
|---|
| 531 | if ( bAtCUBoundary || bAtCUHalf ) |
|---|
| 532 | { |
|---|
| 533 | m_aapucBS[iDir][1][uiAbsPartIdx] = uiBs; |
|---|
| 534 | m_aapucBS[iDir][2][uiAbsPartIdx] = uiBs; |
|---|
| 535 | } |
|---|
| 536 | } |
|---|
| 537 | |
|---|
| 538 | |
|---|
| 539 | #if (PARALLEL_DEBLK_DECISION && !PARALLEL_MERGED_DEBLK) |
|---|
| 540 | Void TComLoopFilter::xEdgeFilterLuma( TComDataCU* pcCU, UInt uiAbsZorderIdx, UInt uiDepth, Int iDir, Int iEdge, Int iDecideExecute ) |
|---|
| 541 | #else |
|---|
| 542 | Void TComLoopFilter::xEdgeFilterLuma( TComDataCU* pcCU, UInt uiAbsZorderIdx, UInt uiDepth, Int iDir, Int iEdge ) |
|---|
| 543 | #endif |
|---|
| 544 | { |
|---|
| 545 | TComPicYuv* pcPicYuvRec = pcCU->getPic()->getPicYuvRec(); |
|---|
| 546 | Pel* piSrc = pcPicYuvRec->getLumaAddr( pcCU->getAddr(), uiAbsZorderIdx ); |
|---|
| 547 | Pel* piTmpSrc = piSrc; |
|---|
| 548 | #if PARALLEL_MERGED_DEBLK |
|---|
| 549 | TComPicYuv* pcPicYuvJudge = pcCU->getPic()->getPicYuvDeblkBuf(); |
|---|
| 550 | Pel* piSrcJudge = pcPicYuvJudge->getLumaAddr( pcCU->getAddr(), uiAbsZorderIdx ); |
|---|
| 551 | Pel* piTmpSrcJudge = piSrcJudge; |
|---|
| 552 | #endif |
|---|
| 553 | |
|---|
| 554 | Int iStride = pcPicYuvRec->getStride(); |
|---|
| 555 | Int iQP = pcCU->getQP( uiAbsZorderIdx ); |
|---|
| 556 | UInt uiNumParts = pcCU->getPic()->getNumPartInWidth()>>uiDepth; |
|---|
| 557 | |
|---|
| 558 | UInt uiPelsInPart = g_uiMaxCUWidth >> g_uiMaxCUDepth; |
|---|
| 559 | UInt PartIdxIncr = DEBLOCK_SMALLEST_BLOCK / uiPelsInPart ? DEBLOCK_SMALLEST_BLOCK / uiPelsInPart : 1; |
|---|
| 560 | UInt uiBlocksInPart = uiPelsInPart / DEBLOCK_SMALLEST_BLOCK ? uiPelsInPart / DEBLOCK_SMALLEST_BLOCK : 1; |
|---|
| 561 | UInt uiBsAbsIdx, uiBs; |
|---|
| 562 | Int iOffset, iSrcStep; |
|---|
| 563 | #if (PARALLEL_DEBLK_DECISION && !PARALLEL_MERGED_DEBLK) |
|---|
| 564 | Pel* piTmpSrc1; |
|---|
| 565 | UInt* piDecisions_D; |
|---|
| 566 | UInt* piDecisions_Sample; |
|---|
| 567 | #endif |
|---|
| 568 | if (iDir == EDGE_VER) |
|---|
| 569 | { |
|---|
| 570 | iOffset = 1; |
|---|
| 571 | iSrcStep = iStride; |
|---|
| 572 | piTmpSrc += iEdge*uiPelsInPart; |
|---|
| 573 | #if PARALLEL_MERGED_DEBLK |
|---|
| 574 | piTmpSrcJudge += iEdge*uiPelsInPart; |
|---|
| 575 | #endif |
|---|
| 576 | } |
|---|
| 577 | else // (iDir == EDGE_HOR) |
|---|
| 578 | { |
|---|
| 579 | iOffset = iStride; |
|---|
| 580 | iSrcStep = 1; |
|---|
| 581 | piTmpSrc += iEdge*uiPelsInPart*iStride; |
|---|
| 582 | #if PARALLEL_MERGED_DEBLK |
|---|
| 583 | piTmpSrcJudge += iEdge*uiPelsInPart*iStride; |
|---|
| 584 | #endif |
|---|
| 585 | } |
|---|
| 586 | |
|---|
| 587 | for ( UInt iIdx = 0; iIdx < uiNumParts; iIdx+=PartIdxIncr ) |
|---|
| 588 | { |
|---|
| 589 | |
|---|
| 590 | uiBs = 0; |
|---|
| 591 | for (UInt iIdxInside = 0; iIdxInside<PartIdxIncr; iIdxInside++) |
|---|
| 592 | { |
|---|
| 593 | uiBsAbsIdx = xCalcBsIdx( pcCU, uiAbsZorderIdx, iDir, iEdge, iIdx+iIdxInside); |
|---|
| 594 | if (uiBs < m_aapucBS[iDir][0][uiBsAbsIdx]) |
|---|
| 595 | { |
|---|
| 596 | uiBs = m_aapucBS[iDir][0][uiBsAbsIdx]; |
|---|
| 597 | } |
|---|
| 598 | } |
|---|
| 599 | |
|---|
| 600 | Int iBitdepthScale = (1<<(g_uiBitIncrement+g_uiBitDepth-8)); |
|---|
| 601 | |
|---|
| 602 | UInt uiTcOffset = (uiBs>2)?4:0; |
|---|
| 603 | |
|---|
| 604 | Int iIndexTC = Clip3(0, MAX_QP+4, iQP + uiTcOffset ); |
|---|
| 605 | Int iIndexB = Clip3(0, MAX_QP, iQP ); |
|---|
| 606 | |
|---|
| 607 | Int iTc = tctable_8x8[iIndexTC]*iBitdepthScale; |
|---|
| 608 | #if (PARALLEL_DEBLK_DECISION && !PARALLEL_MERGED_DEBLK) |
|---|
| 609 | if (iDecideExecute==DECIDE_AND_EXECUTE_FILTER && uiBs) |
|---|
| 610 | { |
|---|
| 611 | Int iBeta = betatable_8x8[iIndexB]*iBitdepthScale; |
|---|
| 612 | |
|---|
| 613 | for (UInt iBlkIdx = 0; iBlkIdx< uiBlocksInPart; iBlkIdx ++) |
|---|
| 614 | { |
|---|
| 615 | Int iTmp=iIdx*uiPelsInPart+iBlkIdx*DEBLOCK_SMALLEST_BLOCK; |
|---|
| 616 | Int iD = xCalcD( piTmpSrc+iSrcStep*(iTmp+2), iOffset) + xCalcD( piTmpSrc+iSrcStep*(iTmp+5), iOffset); |
|---|
| 617 | |
|---|
| 618 | if (iD < iBeta) |
|---|
| 619 | { |
|---|
| 620 | for ( UInt i = 0; i < DEBLOCK_SMALLEST_BLOCK; i++) |
|---|
| 621 | { |
|---|
| 622 | xPelFilterLuma( piTmpSrc+iSrcStep*(iTmp+i), iOffset, iD, iBeta, iTc); |
|---|
| 623 | } |
|---|
| 624 | } |
|---|
| 625 | } |
|---|
| 626 | } |
|---|
| 627 | else if (iDecideExecute==DECIDE_FILTER && uiBs) |
|---|
| 628 | { |
|---|
| 629 | Int iBeta = betatable_8x8[iIndexB]*iBitdepthScale; |
|---|
| 630 | |
|---|
| 631 | piDecisions_D = (iIdx*uiPelsInPart)/DEBLOCK_SMALLEST_BLOCK + m_decisions_D [(iEdge*uiPelsInPart)/DEBLOCK_SMALLEST_BLOCK]; |
|---|
| 632 | piDecisions_Sample = iIdx*uiPelsInPart + m_decisions_Sample[(iEdge*uiPelsInPart)/DEBLOCK_SMALLEST_BLOCK]; |
|---|
| 633 | |
|---|
| 634 | for (UInt iBlkIdx = 0; iBlkIdx< uiBlocksInPart; iBlkIdx ++) |
|---|
| 635 | { |
|---|
| 636 | Int iTmp=iIdx*uiPelsInPart+iBlkIdx*DEBLOCK_SMALLEST_BLOCK; |
|---|
| 637 | Int iD = xCalcD( piTmpSrc+(iTmp+2), iOffset) + xCalcD( piTmpSrc+(iTmp+5), iOffset); |
|---|
| 638 | piTmpSrc1 = piTmpSrc+iTmp; |
|---|
| 639 | |
|---|
| 640 | if (iD < iBeta) |
|---|
| 641 | { |
|---|
| 642 | *piDecisions_D++=1; |
|---|
| 643 | for ( UInt i = 0; i < DEBLOCK_SMALLEST_BLOCK; i++) |
|---|
| 644 | { |
|---|
| 645 | *piDecisions_Sample++ = xPelFilterLumaDecision( piTmpSrc1++, iOffset, iD, iBeta, iTc); |
|---|
| 646 | } |
|---|
| 647 | } |
|---|
| 648 | else |
|---|
| 649 | { |
|---|
| 650 | *piDecisions_D++=0; |
|---|
| 651 | piDecisions_Sample+=DEBLOCK_SMALLEST_BLOCK; |
|---|
| 652 | } |
|---|
| 653 | } |
|---|
| 654 | } |
|---|
| 655 | else if ( uiBs ) // EXECUTE_FILTER |
|---|
| 656 | { |
|---|
| 657 | piDecisions_D = (iIdx*uiPelsInPart)/DEBLOCK_SMALLEST_BLOCK + m_decisions_D [(iEdge*uiPelsInPart)/DEBLOCK_SMALLEST_BLOCK]; |
|---|
| 658 | piDecisions_Sample = iIdx*uiPelsInPart + m_decisions_Sample[(iEdge*uiPelsInPart)/DEBLOCK_SMALLEST_BLOCK]; |
|---|
| 659 | piTmpSrc1 = piTmpSrc+iIdx*uiPelsInPart; |
|---|
| 660 | |
|---|
| 661 | for (UInt iBlkIdx = 0; iBlkIdx< uiBlocksInPart; iBlkIdx ++) |
|---|
| 662 | { |
|---|
| 663 | if ( *piDecisions_D++ ) |
|---|
| 664 | { |
|---|
| 665 | for ( UInt i = 0; i < DEBLOCK_SMALLEST_BLOCK; i++) |
|---|
| 666 | { |
|---|
| 667 | xPelFilterLumaExecution( piTmpSrc1++, iOffset, iTc, *piDecisions_Sample++ ); |
|---|
| 668 | } |
|---|
| 669 | } |
|---|
| 670 | else |
|---|
| 671 | { |
|---|
| 672 | piDecisions_Sample+=DEBLOCK_SMALLEST_BLOCK; |
|---|
| 673 | piTmpSrc1+=DEBLOCK_SMALLEST_BLOCK; |
|---|
| 674 | } |
|---|
| 675 | } |
|---|
| 676 | } |
|---|
| 677 | #else |
|---|
| 678 | Int iBeta = betatable_8x8[iIndexB]*iBitdepthScale; |
|---|
| 679 | |
|---|
| 680 | |
|---|
| 681 | for (UInt iBlkIdx = 0; iBlkIdx< uiBlocksInPart; iBlkIdx ++) |
|---|
| 682 | { |
|---|
| 683 | if ( uiBs ) |
|---|
| 684 | { |
|---|
| 685 | #if PARALLEL_MERGED_DEBLK |
|---|
| 686 | Int iD = xCalcD( piTmpSrcJudge+iSrcStep*(iIdx*uiPelsInPart+iBlkIdx*DEBLOCK_SMALLEST_BLOCK+2), iOffset) + xCalcD( piTmpSrcJudge+iSrcStep*(iIdx*uiPelsInPart+iBlkIdx*DEBLOCK_SMALLEST_BLOCK+5), iOffset); |
|---|
| 687 | #else |
|---|
| 688 | Int iD = xCalcD( piTmpSrc+iSrcStep*(iIdx*uiPelsInPart+iBlkIdx*DEBLOCK_SMALLEST_BLOCK+2), iOffset) + xCalcD( piTmpSrc+iSrcStep*(iIdx*uiPelsInPart+iBlkIdx*DEBLOCK_SMALLEST_BLOCK+5), iOffset); |
|---|
| 689 | #endif |
|---|
| 690 | if (iD < iBeta) |
|---|
| 691 | { |
|---|
| 692 | for ( UInt i = 0; i < DEBLOCK_SMALLEST_BLOCK; i++) |
|---|
| 693 | { |
|---|
| 694 | #if PARALLEL_MERGED_DEBLK |
|---|
| 695 | xPelFilterLuma( piTmpSrc+iSrcStep*(iIdx*uiPelsInPart+iBlkIdx*DEBLOCK_SMALLEST_BLOCK+i), iOffset, iD, iBeta, iTc , piTmpSrcJudge+iSrcStep*(iIdx*uiPelsInPart+iBlkIdx*DEBLOCK_SMALLEST_BLOCK+i)); |
|---|
| 696 | #else |
|---|
| 697 | xPelFilterLuma( piTmpSrc+iSrcStep*(iIdx*uiPelsInPart+iBlkIdx*DEBLOCK_SMALLEST_BLOCK+i), iOffset, iD, iBeta, iTc ); |
|---|
| 698 | #endif |
|---|
| 699 | } |
|---|
| 700 | } |
|---|
| 701 | } |
|---|
| 702 | } |
|---|
| 703 | #endif |
|---|
| 704 | } |
|---|
| 705 | } |
|---|
| 706 | |
|---|
| 707 | |
|---|
| 708 | Void TComLoopFilter::xEdgeFilterChroma( TComDataCU* pcCU, UInt uiAbsZorderIdx, UInt uiDepth, Int iDir, Int iEdge ) |
|---|
| 709 | { |
|---|
| 710 | TComPicYuv* pcPicYuvRec = pcCU->getPic()->getPicYuvRec(); |
|---|
| 711 | Int iStride = pcPicYuvRec->getCStride(); |
|---|
| 712 | Pel* piSrcCb = pcPicYuvRec->getCbAddr( pcCU->getAddr(), uiAbsZorderIdx ); |
|---|
| 713 | Pel* piSrcCr = pcPicYuvRec->getCrAddr( pcCU->getAddr(), uiAbsZorderIdx ); |
|---|
| 714 | |
|---|
| 715 | Int iQP = QpUV((Int) pcCU->getQP( uiAbsZorderIdx )); |
|---|
| 716 | UInt uiPelsInPartChroma = g_uiMaxCUWidth >> (g_uiMaxCUDepth+1); |
|---|
| 717 | |
|---|
| 718 | Int iOffset, iSrcStep; |
|---|
| 719 | |
|---|
| 720 | const UInt uiLCUWidthInBaseUnits = pcCU->getPic()->getNumPartInWidth(); |
|---|
| 721 | |
|---|
| 722 | // Vertical Position |
|---|
| 723 | UInt uiEdgeNumInLCUVert = g_auiZscanToRaster[uiAbsZorderIdx]%uiLCUWidthInBaseUnits + iEdge; |
|---|
| 724 | UInt uiEdgeNumInLCUHor = g_auiZscanToRaster[uiAbsZorderIdx]/uiLCUWidthInBaseUnits + iEdge; |
|---|
| 725 | |
|---|
| 726 | if ( ( (uiEdgeNumInLCUVert%(DEBLOCK_SMALLEST_BLOCK/uiPelsInPartChroma))&&(iDir==0) ) || ( (uiEdgeNumInLCUHor%(DEBLOCK_SMALLEST_BLOCK/uiPelsInPartChroma))&& iDir ) ) |
|---|
| 727 | { |
|---|
| 728 | return; |
|---|
| 729 | } |
|---|
| 730 | |
|---|
| 731 | UInt uiNumParts = pcCU->getPic()->getNumPartInWidth()>>uiDepth; |
|---|
| 732 | |
|---|
| 733 | UInt uiBsAbsIdx; |
|---|
| 734 | UChar ucBs; |
|---|
| 735 | |
|---|
| 736 | Pel* piTmpSrcCb = piSrcCb; |
|---|
| 737 | Pel* piTmpSrcCr = piSrcCr; |
|---|
| 738 | |
|---|
| 739 | |
|---|
| 740 | if (iDir == EDGE_VER) |
|---|
| 741 | { |
|---|
| 742 | iOffset = 1; |
|---|
| 743 | iSrcStep = iStride; |
|---|
| 744 | piTmpSrcCb += iEdge*uiPelsInPartChroma; |
|---|
| 745 | piTmpSrcCr += iEdge*uiPelsInPartChroma; |
|---|
| 746 | } |
|---|
| 747 | else // (iDir == EDGE_HOR) |
|---|
| 748 | { |
|---|
| 749 | iOffset = iStride; |
|---|
| 750 | iSrcStep = 1; |
|---|
| 751 | piTmpSrcCb += iEdge*iStride*uiPelsInPartChroma; |
|---|
| 752 | piTmpSrcCr += iEdge*iStride*uiPelsInPartChroma; |
|---|
| 753 | } |
|---|
| 754 | |
|---|
| 755 | for ( UInt iIdx = 0; iIdx < uiNumParts; iIdx++ ) |
|---|
| 756 | { |
|---|
| 757 | ucBs = 0; |
|---|
| 758 | |
|---|
| 759 | uiBsAbsIdx = xCalcBsIdx( pcCU, uiAbsZorderIdx, iDir, iEdge, iIdx); |
|---|
| 760 | ucBs = m_aapucBS[iDir][0][uiBsAbsIdx]; |
|---|
| 761 | |
|---|
| 762 | Int iBitdepthScale = (1<<(g_uiBitIncrement+g_uiBitDepth-8)); |
|---|
| 763 | |
|---|
| 764 | UInt uiTcOffset = (ucBs>2)?4:0; |
|---|
| 765 | |
|---|
| 766 | Int iIndexTC = Clip3(0, MAX_QP+4, iQP + uiTcOffset ); |
|---|
| 767 | |
|---|
| 768 | Int iTc = tctable_8x8[iIndexTC]*iBitdepthScale; |
|---|
| 769 | |
|---|
| 770 | if ( ucBs > 2) |
|---|
| 771 | { |
|---|
| 772 | for ( UInt uiStep = 0; uiStep < uiPelsInPartChroma; uiStep++ ) |
|---|
| 773 | { |
|---|
| 774 | xPelFilterChroma( piTmpSrcCb + iSrcStep*(uiStep+iIdx*uiPelsInPartChroma), iOffset, iTc ); |
|---|
| 775 | xPelFilterChroma( piTmpSrcCr + iSrcStep*(uiStep+iIdx*uiPelsInPartChroma), iOffset, iTc ); |
|---|
| 776 | } |
|---|
| 777 | } |
|---|
| 778 | } |
|---|
| 779 | } |
|---|
| 780 | |
|---|
| 781 | #if (PARALLEL_DEBLK_DECISION && !PARALLEL_MERGED_DEBLK) |
|---|
| 782 | /** |
|---|
| 783 | - Decision for one line/column for the luminance component to use strong or weak deblocking |
|---|
| 784 | . |
|---|
| 785 | \param piSrc pointer to picture data |
|---|
| 786 | \param iOffset offset value for picture data |
|---|
| 787 | \param d d value |
|---|
| 788 | \param beta beta value |
|---|
| 789 | \param tc tc value |
|---|
| 790 | |
|---|
| 791 | \returns decision to use strong or weak deblocking |
|---|
| 792 | */ |
|---|
| 793 | __inline Int TComLoopFilter::xPelFilterLumaDecision( Pel* piSrc, Int iOffset, Int d, Int beta, Int tc) |
|---|
| 794 | { |
|---|
| 795 | Pel m4 = piSrc[0]; |
|---|
| 796 | Pel m3 = piSrc[-iOffset]; |
|---|
| 797 | |
|---|
| 798 | if ( ((abs(piSrc[-iOffset*4]-m3) + abs(piSrc[ iOffset*3]-m4)) < (beta>>3)) && (d<(beta>>2)) && ( abs(m3-m4) < ((tc*5+1)>>1)) ) //strong filtering |
|---|
| 799 | { |
|---|
| 800 | return 1; |
|---|
| 801 | } |
|---|
| 802 | else //weak filtering |
|---|
| 803 | { |
|---|
| 804 | return 0; |
|---|
| 805 | } |
|---|
| 806 | } |
|---|
| 807 | |
|---|
| 808 | |
|---|
| 809 | /** |
|---|
| 810 | - Strong deblocking of one line/column for the luminance component |
|---|
| 811 | . |
|---|
| 812 | \param piSrc pointer to picture data |
|---|
| 813 | \param iOffset offset value for picture data |
|---|
| 814 | \param m0 sample value |
|---|
| 815 | \param m1 sample value |
|---|
| 816 | \param m2 sample value |
|---|
| 817 | \param m3 sample value |
|---|
| 818 | \param m4 sample value |
|---|
| 819 | \param m5 sample value |
|---|
| 820 | \param m6 sample value |
|---|
| 821 | \param m7 sample value |
|---|
| 822 | */ |
|---|
| 823 | __inline Void TComLoopFilter::xPelFilterLumaStrong(Pel* piSrc, Int iOffset, Pel m0, Pel m1, Pel m2, Pel m3, Pel m4, Pel m5, Pel m6, Pel m7) |
|---|
| 824 | { |
|---|
| 825 | piSrc[-iOffset] = Clip(( m1 + 2*m2 + 2*m3 + 2*m4 + m5 + 4) >> 3 ); |
|---|
| 826 | piSrc[0] = Clip(( m2 + 2*m3 + 2*m4 + 2*m5 + m6 + 4) >> 3 ); |
|---|
| 827 | |
|---|
| 828 | piSrc[-iOffset*2] = Clip(( m1 + m2 + m3 + m4 + 2)>>2); |
|---|
| 829 | piSrc[ iOffset] = Clip(( m3 + m4 + m5 + m6 + 2)>>2); |
|---|
| 830 | |
|---|
| 831 | piSrc[-iOffset*3] = Clip(( 2*m0 + 3*m1 + m2 + m3 + m4 + 4 )>>3); |
|---|
| 832 | piSrc[ iOffset*2] = Clip(( m3 + m4 + m5 + 3*m6 + 2*m7 +4 )>>3); |
|---|
| 833 | } |
|---|
| 834 | |
|---|
| 835 | /** |
|---|
| 836 | - Weak deblocking of one line/column for the luminance component |
|---|
| 837 | . |
|---|
| 838 | \param piSrc pointer to picture data |
|---|
| 839 | \param iOffset offset value for picture data |
|---|
| 840 | \param tc tc value |
|---|
| 841 | \param m1 sample value |
|---|
| 842 | \param m2 sample value |
|---|
| 843 | \param m3 sample value |
|---|
| 844 | \param m4 sample value |
|---|
| 845 | \param m5 sample value |
|---|
| 846 | \param m6 sample value |
|---|
| 847 | */ |
|---|
| 848 | __inline Void TComLoopFilter::xPelFilterLumaWeak(Pel* piSrc, Int iOffset, Int tc, Pel m1, Pel m2, Pel m3, Pel m4, Pel m5, Pel m6) |
|---|
| 849 | { |
|---|
| 850 | Int delta = Clip3(-tc, tc, ((13*(m4-m3) + 4*(m5-m2) - 5*(m6-m1)+16)>>5) ); |
|---|
| 851 | |
|---|
| 852 | piSrc[-iOffset] = Clip(m3+delta); |
|---|
| 853 | piSrc[0] = Clip(m4-delta); |
|---|
| 854 | piSrc[-iOffset*2] = Clip(m2+delta/2); |
|---|
| 855 | piSrc[ iOffset] = Clip(m5-delta/2); |
|---|
| 856 | } |
|---|
| 857 | #endif |
|---|
| 858 | |
|---|
| 859 | #if PARALLEL_MERGED_DEBLK |
|---|
| 860 | /** |
|---|
| 861 | - Deblocking for the luminance component with strong or weak filter |
|---|
| 862 | . |
|---|
| 863 | \param piSrcJudge pointer to picture data for decision |
|---|
| 864 | */ |
|---|
| 865 | __inline Void TComLoopFilter::xPelFilterLuma( Pel* piSrc, Int iOffset, Int d, Int beta, Int tc , Pel* piSrcJudge) |
|---|
| 866 | #else |
|---|
| 867 | __inline Void TComLoopFilter::xPelFilterLuma( Pel* piSrc, Int iOffset, Int d, Int beta, Int tc ) |
|---|
| 868 | #endif |
|---|
| 869 | { |
|---|
| 870 | #if (PARALLEL_DEBLK_DECISION && !PARALLEL_MERGED_DEBLK) |
|---|
| 871 | Int d_strong; |
|---|
| 872 | #else |
|---|
| 873 | Int d_strong, delta; |
|---|
| 874 | #endif |
|---|
| 875 | |
|---|
| 876 | Pel m4 = piSrc[0]; |
|---|
| 877 | Pel m3 = piSrc[-iOffset]; |
|---|
| 878 | Pel m5 = piSrc[ iOffset]; |
|---|
| 879 | Pel m2 = piSrc[-iOffset*2]; |
|---|
| 880 | Pel m6 = piSrc[ iOffset*2]; |
|---|
| 881 | Pel m1 = piSrc[-iOffset*3]; |
|---|
| 882 | Pel m7 = piSrc[ iOffset*3]; |
|---|
| 883 | Pel m0 = piSrc[-iOffset*4]; |
|---|
| 884 | #if PARALLEL_MERGED_DEBLK |
|---|
| 885 | Pel m4j = piSrcJudge[0]; |
|---|
| 886 | Pel m3j = piSrcJudge[-iOffset]; |
|---|
| 887 | Pel m7j = piSrcJudge[ iOffset*3]; |
|---|
| 888 | Pel m0j = piSrcJudge[-iOffset*4]; |
|---|
| 889 | |
|---|
| 890 | d_strong = abs(m0j-m3j) + abs(m7j-m4j); |
|---|
| 891 | |
|---|
| 892 | if ( (d_strong < (beta>>3)) && (d<(beta>>2)) && ( abs(m3j-m4j) < ((tc*5+1)>>1)) ) //strong filtering |
|---|
| 893 | #else |
|---|
| 894 | d_strong = abs(m0-m3) + abs(m7-m4); |
|---|
| 895 | |
|---|
| 896 | if ( (d_strong < (beta>>3)) && (d<(beta>>2)) && ( abs(m3-m4) < ((tc*5+1)>>1)) ) //strong filtering |
|---|
| 897 | #endif |
|---|
| 898 | { |
|---|
| 899 | #if (PARALLEL_DEBLK_DECISION && !PARALLEL_MERGED_DEBLK) |
|---|
| 900 | xPelFilterLumaStrong(piSrc, iOffset, m0, m1, m2, m3, m4, m5, m6, m7); |
|---|
| 901 | #else |
|---|
| 902 | piSrc[-iOffset] = Clip(( m1 + 2*m2 + 2*m3 + 2*m4 + m5 + 4) >> 3 ); |
|---|
| 903 | piSrc[0] = Clip(( m2 + 2*m3 + 2*m4 + 2*m5 + m6 + 4) >> 3 ); |
|---|
| 904 | |
|---|
| 905 | piSrc[-iOffset*2] = Clip(( m1 + m2 + m3 + m4 + 2)>>2); |
|---|
| 906 | piSrc[ iOffset] = Clip(( m3 + m4 + m5 + m6 + 2)>>2); |
|---|
| 907 | |
|---|
| 908 | piSrc[-iOffset*3] = Clip(( 2*m0 + 3*m1 + m2 + m3 + m4 + 4 )>>3); |
|---|
| 909 | piSrc[ iOffset*2] = Clip(( m3 + m4 + m5 + 3*m6 + 2*m7 +4 )>>3); |
|---|
| 910 | #endif |
|---|
| 911 | } |
|---|
| 912 | else |
|---|
| 913 | { |
|---|
| 914 | #if (PARALLEL_DEBLK_DECISION && !PARALLEL_MERGED_DEBLK) |
|---|
| 915 | xPelFilterLumaWeak(piSrc, iOffset, tc, m1, m2, m3, m4, m5, m6); |
|---|
| 916 | #else |
|---|
| 917 | /* Weak filter */ |
|---|
| 918 | delta = Clip3(-tc, tc, ((13*(m4-m3) + 4*(m5-m2) - 5*(m6-m1)+16)>>5) ); |
|---|
| 919 | |
|---|
| 920 | piSrc[-iOffset] = Clip(m3+delta); |
|---|
| 921 | piSrc[0] = Clip(m4-delta); |
|---|
| 922 | piSrc[-iOffset*2] = Clip(m2+delta/2); |
|---|
| 923 | piSrc[ iOffset] = Clip(m5-delta/2); |
|---|
| 924 | #endif |
|---|
| 925 | } |
|---|
| 926 | } |
|---|
| 927 | |
|---|
| 928 | #if (PARALLEL_DEBLK_DECISION && !PARALLEL_MERGED_DEBLK) |
|---|
| 929 | /** |
|---|
| 930 | - Deblocking of one line/column for the luminance component |
|---|
| 931 | . |
|---|
| 932 | \param piSrc pointer to picture data |
|---|
| 933 | \param iOffset offset value for picture data |
|---|
| 934 | \param tc tc value |
|---|
| 935 | \param strongFilter indicator to use either strong or weak filter |
|---|
| 936 | */ |
|---|
| 937 | __inline Void TComLoopFilter::xPelFilterLumaExecution( Pel* piSrc, Int iOffset, Int tc, Int strongFilter) |
|---|
| 938 | { |
|---|
| 939 | if (strongFilter) //strong filtering |
|---|
| 940 | { |
|---|
| 941 | xPelFilterLumaStrong(piSrc, iOffset, piSrc[-iOffset*4], piSrc[-iOffset*3], piSrc[-iOffset*2], piSrc[-iOffset], piSrc[0], piSrc[ iOffset], piSrc[ iOffset*2], piSrc[ iOffset*3]); |
|---|
| 942 | } |
|---|
| 943 | else //weak filtering |
|---|
| 944 | { |
|---|
| 945 | xPelFilterLumaWeak(piSrc, iOffset, tc, piSrc[-iOffset*3], piSrc[-iOffset*2], piSrc[-iOffset], piSrc[0], piSrc[ iOffset], piSrc[ iOffset*2]); |
|---|
| 946 | } |
|---|
| 947 | } |
|---|
| 948 | #endif |
|---|
| 949 | |
|---|
| 950 | __inline Void TComLoopFilter::xPelFilterChroma( Pel* piSrc, Int iOffset, Int tc ) |
|---|
| 951 | { |
|---|
| 952 | int delta; |
|---|
| 953 | |
|---|
| 954 | Pel m4 = piSrc[0]; |
|---|
| 955 | Pel m3 = piSrc[-iOffset]; |
|---|
| 956 | Pel m5 = piSrc[ iOffset]; |
|---|
| 957 | Pel m2 = piSrc[-iOffset*2]; |
|---|
| 958 | |
|---|
| 959 | delta = Clip3(-tc,tc, (((( m4 - m3 ) << 2 ) + m2 - m5 + 4 ) >> 3) ); |
|---|
| 960 | piSrc[-iOffset] = Clip(m3+delta); |
|---|
| 961 | piSrc[0] = Clip(m4-delta); |
|---|
| 962 | } |
|---|
| 963 | |
|---|
| 964 | |
|---|
| 965 | __inline Int TComLoopFilter::xCalcD( Pel* piSrc, Int iOffset) |
|---|
| 966 | { |
|---|
| 967 | return abs( piSrc[-iOffset*3] - 2*piSrc[-iOffset*2] + piSrc[-iOffset] ) + abs( piSrc[0] - 2*piSrc[iOffset] + piSrc[iOffset*2] ); |
|---|
| 968 | } |
|---|