[5] | 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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[2] | 33 | |
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| 34 | |
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| 35 | |
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[5] | 36 | |
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[2] | 37 | // Include files |
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| 38 | #include "CommonDef.h" |
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| 39 | #include "TComYuv.h" |
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| 40 | #include "TComWedgelet.h" |
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| 41 | |
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| 42 | #include <stdlib.h> |
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| 43 | #include <memory.h> |
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| 44 | |
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| 45 | |
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| 46 | TComWedgelet::TComWedgelet( UInt uiWidth, UInt uiHeight ) : m_uhXs ( 0 ), |
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| 47 | m_uhYs ( 0 ), |
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| 48 | m_uhXe ( 0 ), |
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| 49 | m_uhYe ( 0 ), |
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| 50 | m_uhOri ( 0 ), |
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| 51 | m_eWedgeRes( FULL_PEL ) |
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| 52 | { |
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| 53 | create( uiWidth, uiHeight ); |
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| 54 | } |
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| 55 | |
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| 56 | TComWedgelet::TComWedgelet( const TComWedgelet &rcWedge ) : m_uhXs ( rcWedge.m_uhXs ), |
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| 57 | m_uhYs ( rcWedge.m_uhYs ), |
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| 58 | m_uhXe ( rcWedge.m_uhXe ), |
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| 59 | m_uhYe ( rcWedge.m_uhYe ), |
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| 60 | m_uhOri ( rcWedge.m_uhOri ), |
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| 61 | m_eWedgeRes( rcWedge.m_eWedgeRes ), |
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| 62 | m_uiWidth ( rcWedge.m_uiWidth ), |
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| 63 | m_uiHeight ( rcWedge.m_uiHeight ), |
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| 64 | m_pbPattern( (Bool*)xMalloc( Bool, (m_uiWidth * m_uiHeight) ) ) |
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| 65 | { |
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| 66 | ::memcpy( m_pbPattern, rcWedge.m_pbPattern, sizeof(Bool) * (m_uiWidth * m_uiHeight)); |
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| 67 | } |
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| 68 | |
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| 69 | TComWedgelet::~TComWedgelet(void) |
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| 70 | { |
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| 71 | destroy(); |
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| 72 | } |
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| 73 | |
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| 74 | Void TComWedgelet::create( UInt uiWidth, UInt uiHeight ) |
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| 75 | { |
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| 76 | assert( uiWidth > 0 && uiHeight > 0 ); |
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| 77 | |
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| 78 | m_uiWidth = uiWidth; |
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| 79 | m_uiHeight = uiHeight; |
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| 80 | |
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| 81 | m_pbPattern = (Bool*)xMalloc( Bool, (m_uiWidth * m_uiHeight) ); |
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| 82 | } |
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| 83 | |
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| 84 | Void TComWedgelet::destroy() |
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| 85 | { |
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| 86 | if( m_pbPattern ) { xFree( m_pbPattern ); m_pbPattern = NULL; } |
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| 87 | } |
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| 88 | |
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| 89 | Void TComWedgelet::clear() |
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| 90 | { |
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| 91 | ::memset( m_pbPattern, 0, (m_uiWidth * m_uiHeight) * sizeof(Bool) ); |
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| 92 | } |
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| 93 | |
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| 94 | Void TComWedgelet::setWedgelet( UChar uhXs, UChar uhYs, UChar uhXe, UChar uhYe, UChar uhOri, WedgeResolution eWedgeRes ) |
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| 95 | { |
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| 96 | m_uhXs = uhXs; |
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| 97 | m_uhYs = uhYs; |
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| 98 | m_uhXe = uhXe; |
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| 99 | m_uhYe = uhYe; |
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| 100 | m_uhOri = uhOri; |
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| 101 | m_eWedgeRes = eWedgeRes; |
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| 102 | |
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| 103 | xGenerateWedgePattern(); |
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| 104 | } |
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| 105 | |
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| 106 | Bool TComWedgelet::checkNotPlain() |
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| 107 | { |
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| 108 | for( UInt k = 1; k < (m_uiWidth * m_uiHeight); k++ ) |
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| 109 | { |
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| 110 | if( m_pbPattern[0] != m_pbPattern[k] ) |
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| 111 | { |
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| 112 | return true; |
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| 113 | } |
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| 114 | } |
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| 115 | return false; |
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| 116 | } |
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| 117 | |
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| 118 | Bool TComWedgelet::checkNotIdentical( Bool* pbRefPattern ) |
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| 119 | { |
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| 120 | for( UInt k = 0; k < (m_uiWidth * m_uiHeight); k++ ) |
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| 121 | { |
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| 122 | if( m_pbPattern[k] != pbRefPattern[k] ) |
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| 123 | { |
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| 124 | return true; |
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| 125 | } |
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| 126 | } |
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| 127 | return false; |
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| 128 | } |
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| 129 | |
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| 130 | Bool TComWedgelet::checkNotInvIdentical( Bool* pbRefPattern ) |
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| 131 | { |
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| 132 | for( UInt k = 0; k < (m_uiWidth * m_uiHeight); k++ ) |
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| 133 | { |
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| 134 | if( m_pbPattern[k] == pbRefPattern[k] ) |
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| 135 | { |
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| 136 | return true; |
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| 137 | } |
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| 138 | } |
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| 139 | return false; |
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| 140 | } |
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| 141 | |
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[5] | 142 | #if HHI_DMM_WEDGE_INTRA |
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[2] | 143 | Bool TComWedgelet::checkPredDirAbovePossible( UInt uiPredDirBlockSize, UInt uiPredDirBlockOffset ) |
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| 144 | { |
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| 145 | WedgeResolution eContDWedgeRes = g_aeWedgeResolutionList[(UInt)g_aucConvertToBit[uiPredDirBlockSize]]; |
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| 146 | UInt uiContDStartEndMax = 0; |
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| 147 | UInt uiContDStartEndOffset = 0; |
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| 148 | switch( eContDWedgeRes ) |
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| 149 | { |
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| 150 | case( DOUBLE_PEL ): { uiContDStartEndMax = (uiPredDirBlockSize>>1); uiContDStartEndOffset = (uiPredDirBlockOffset>>1); break; } |
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| 151 | case( FULL_PEL ): { uiContDStartEndMax = uiPredDirBlockSize; uiContDStartEndOffset = uiPredDirBlockOffset; break; } |
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| 152 | case( HALF_PEL ): { uiContDStartEndMax = (uiPredDirBlockSize<<1); uiContDStartEndOffset = (uiPredDirBlockOffset<<1); break; } |
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| 153 | } |
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| 154 | |
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| 155 | if( m_uhOri == 2 || m_uhOri == 3 || m_uhOri == 4 ) |
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| 156 | { |
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| 157 | UInt uiThisStartEndMax = 0; |
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| 158 | switch( m_eWedgeRes ) |
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| 159 | { |
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| 160 | case( DOUBLE_PEL ): { uiThisStartEndMax = (m_uiWidth>>1); break; } |
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| 161 | case( FULL_PEL ): { uiThisStartEndMax = m_uiWidth; break; } |
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| 162 | case( HALF_PEL ): { uiThisStartEndMax = (m_uiWidth<<1); break; } |
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| 163 | } |
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| 164 | |
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| 165 | UChar uhStartX = m_uhXs; |
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| 166 | UChar uhStartY = m_uhYs; |
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| 167 | UChar uhEndX = m_uhXe; |
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| 168 | UChar uhEndY = m_uhYe; |
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| 169 | |
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| 170 | if( 2 == m_uhOri ) |
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| 171 | { |
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| 172 | std::swap( uhStartX, uhEndX ); |
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| 173 | std::swap( uhStartY, uhEndY ); |
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| 174 | } |
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| 175 | |
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| 176 | UInt uiScaledEndX = (UInt)uhEndX; |
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| 177 | Int iDeltaRes = (Int)eContDWedgeRes - (Int)m_eWedgeRes; |
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| 178 | if( iDeltaRes > 0 ) { uiScaledEndX <<= iDeltaRes; } |
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| 179 | if( iDeltaRes < 0 ) { uiScaledEndX >>= -iDeltaRes; } |
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| 180 | |
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| 181 | if( ((UInt)uhEndY == (uiThisStartEndMax-1)) && ((uiScaledEndX-uiContDStartEndOffset) > 0 && (uiScaledEndX-uiContDStartEndOffset) < (uiContDStartEndMax-1)) ) |
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| 182 | { |
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| 183 | return true; |
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| 184 | } |
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| 185 | } |
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| 186 | |
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| 187 | return false; |
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| 188 | } |
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| 189 | |
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| 190 | Bool TComWedgelet::checkPredDirLeftPossible( UInt uiPredDirBlockSize, UInt uiPredDirBlockOffset ) |
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| 191 | { |
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| 192 | WedgeResolution eContDWedgeRes = g_aeWedgeResolutionList[(UInt)g_aucConvertToBit[uiPredDirBlockSize]]; |
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| 193 | UInt uiContDStartEndMax = 0; |
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| 194 | UInt uiContDStartEndOffset = 0; |
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| 195 | switch( eContDWedgeRes ) |
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| 196 | { |
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| 197 | case( DOUBLE_PEL ): { uiContDStartEndMax = (uiPredDirBlockSize>>1); uiContDStartEndOffset = (uiPredDirBlockOffset>>1); break; } |
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| 198 | case( FULL_PEL ): { uiContDStartEndMax = uiPredDirBlockSize; uiContDStartEndOffset = uiPredDirBlockOffset; break; } |
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| 199 | case( HALF_PEL ): { uiContDStartEndMax = (uiPredDirBlockSize<<1); uiContDStartEndOffset = (uiPredDirBlockOffset<<1); break; } |
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| 200 | } |
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| 201 | |
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| 202 | if( m_uhOri == 1 || m_uhOri == 2 || m_uhOri == 5 ) |
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| 203 | { |
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| 204 | UInt uiThisStartEndMax = 0; |
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| 205 | switch( m_eWedgeRes ) |
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| 206 | { |
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| 207 | case( DOUBLE_PEL ): { uiThisStartEndMax = (m_uiHeight>>1); break; } |
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| 208 | case( FULL_PEL ): { uiThisStartEndMax = m_uiHeight; break; } |
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| 209 | case( HALF_PEL ): { uiThisStartEndMax = (m_uiHeight<<1); break; } |
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| 210 | } |
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| 211 | |
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| 212 | UChar uhStartX = m_uhXs; |
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| 213 | UChar uhStartY = m_uhYs; |
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| 214 | UChar uhEndX = m_uhXe; |
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| 215 | UChar uhEndY = m_uhYe; |
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| 216 | |
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| 217 | if( 1 == m_uhOri || 5 == m_uhOri ) |
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| 218 | { |
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| 219 | std::swap( uhStartX, uhEndX ); |
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| 220 | std::swap( uhStartY, uhEndY ); |
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| 221 | } |
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| 222 | |
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| 223 | UInt uiScaledEndY = (UInt)uhEndY; |
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| 224 | Int iDeltaRes = (Int)eContDWedgeRes - (Int)m_eWedgeRes; |
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| 225 | if( iDeltaRes > 0 ) { uiScaledEndY <<= iDeltaRes; } |
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| 226 | if( iDeltaRes < 0 ) { uiScaledEndY >>= -iDeltaRes; } |
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| 227 | |
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| 228 | if( ((UInt)uhEndX == (uiThisStartEndMax-1)) && ((uiScaledEndY-uiContDStartEndOffset) > 0 && (uiScaledEndY-uiContDStartEndOffset) < (uiContDStartEndMax-1)) ) |
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| 229 | { |
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| 230 | return true; |
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| 231 | } |
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| 232 | } |
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| 233 | |
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| 234 | return false; |
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| 235 | } |
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| 236 | |
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| 237 | Void TComWedgelet::getPredDirStartEndAbove( UChar& ruhXs, UChar& ruhYs, UChar& ruhXe, UChar& ruhYe, UInt uiPredDirBlockSize, UInt uiPredDirBlockOffset, Int iDeltaEnd ) |
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| 238 | { |
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| 239 | ruhXs = 0; |
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| 240 | ruhYs = 0; |
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| 241 | ruhXe = 0; |
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| 242 | ruhYe = 0; |
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| 243 | UInt uiContDOri; |
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| 244 | |
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| 245 | // get start/end of reference (=this) wedgelet |
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| 246 | UInt uiRefStartX = (UInt)getStartX(); |
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| 247 | UInt uiRefStartY = (UInt)getStartY(); |
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| 248 | UInt uiRefEndX = (UInt)getEndX(); |
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| 249 | UInt uiRefEndY = (UInt)getEndY(); |
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| 250 | |
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| 251 | WedgeResolution eContDWedgeRes = g_aeWedgeResolutionList[(UInt)g_aucConvertToBit[uiPredDirBlockSize]]; |
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| 252 | UInt uiContDStartEndMax = 0; |
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| 253 | UInt uiContDStartEndOffset = 0; |
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| 254 | switch( eContDWedgeRes ) |
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| 255 | { |
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| 256 | case( DOUBLE_PEL ): { uiContDStartEndMax = (uiPredDirBlockSize>>1); uiContDStartEndOffset = (uiPredDirBlockOffset>>1); break; } |
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| 257 | case( FULL_PEL ): { uiContDStartEndMax = uiPredDirBlockSize; uiContDStartEndOffset = uiPredDirBlockOffset; break; } |
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| 258 | case( HALF_PEL ): { uiContDStartEndMax = (uiPredDirBlockSize<<1); uiContDStartEndOffset = (uiPredDirBlockOffset<<1); break; } |
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| 259 | } |
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| 260 | |
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| 261 | // swap if start/end if line orientation is not from top to bottom |
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| 262 | if( 2 == (UInt)getOri() ) |
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| 263 | { |
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| 264 | std::swap( uiRefStartX, uiRefEndX ); |
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| 265 | std::swap( uiRefStartY, uiRefEndY ); |
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| 266 | } |
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| 267 | |
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| 268 | // calc slopes |
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| 269 | Int iA_DeltaX = (Int)uiRefEndX - (Int)uiRefStartX; |
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| 270 | Int iA_DeltaY = (Int)uiRefEndY - (Int)uiRefStartY; |
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| 271 | |
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| 272 | // get aligned end x value of ref wedge |
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| 273 | UInt uiScaledRefEndX = uiRefEndX; |
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| 274 | Int iDeltaRes = (Int)eContDWedgeRes - (Int)m_eWedgeRes; |
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| 275 | if( iDeltaRes > 0 ) { uiScaledRefEndX <<= iDeltaRes; } |
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| 276 | if( iDeltaRes < 0 ) { uiScaledRefEndX >>= -iDeltaRes; } |
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| 277 | |
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| 278 | assert( uiScaledRefEndX >= uiContDStartEndOffset ); |
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| 279 | Int iAlignedRefEndX = (Int)uiScaledRefEndX - (Int)uiContDStartEndOffset; |
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| 280 | |
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| 281 | // special for straight vertical wedge |
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| 282 | if( iA_DeltaX == 0 ) |
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| 283 | { |
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| 284 | ruhXs = (UChar)iAlignedRefEndX; |
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| 285 | ruhYs = 0; |
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| 286 | |
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| 287 | Int iXe = iAlignedRefEndX + iDeltaEnd; |
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| 288 | if( iXe < 0 ) |
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| 289 | { |
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| 290 | uiContDOri = 0; |
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| 291 | ruhXe = 0; |
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| 292 | ruhYe = (UChar)Min( Max( ((uiContDStartEndMax-1) + iXe), 0 ), (uiContDStartEndMax-1) ); |
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| 293 | |
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| 294 | return; |
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| 295 | } |
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| 296 | else if( iXe > (uiContDStartEndMax-1) ) |
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| 297 | { |
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| 298 | uiContDOri = 1; |
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| 299 | ruhXe = (UChar)(uiContDStartEndMax-1); |
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| 300 | ruhYe = (UChar)Min( Max( ((uiContDStartEndMax-1) - (iXe - (uiContDStartEndMax-1))), 0 ), (uiContDStartEndMax-1) ); |
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| 301 | |
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| 302 | std::swap( ruhXs, ruhXe ); |
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| 303 | std::swap( ruhYs, ruhYe ); |
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| 304 | return; |
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| 305 | } |
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| 306 | else |
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| 307 | { |
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| 308 | uiContDOri = 4; |
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| 309 | ruhXe = (UChar)iXe; |
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| 310 | ruhYe = (UChar)(uiContDStartEndMax-1); |
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| 311 | |
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| 312 | return; |
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| 313 | } |
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| 314 | } |
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| 315 | |
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| 316 | // special for straight horizontal short bottom line |
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| 317 | if( iA_DeltaY == 0 ) |
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| 318 | { |
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| 319 | switch( (UInt)getOri() ) |
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| 320 | { |
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| 321 | case( 2 ): |
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| 322 | { |
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| 323 | uiContDOri = 0; |
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| 324 | ruhXs = (UChar)(iAlignedRefEndX-1); |
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| 325 | ruhYs = 0; |
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| 326 | ruhXe = 0; |
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| 327 | ruhYe = (UChar)Min( Max( iDeltaEnd, 0 ), (uiContDStartEndMax-1) ); |
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| 328 | |
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| 329 | return; |
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| 330 | } |
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| 331 | case( 3 ): |
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| 332 | { |
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| 333 | uiContDOri = 1; |
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| 334 | ruhXs = (UChar)(iAlignedRefEndX+1); |
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| 335 | ruhYs = 0; |
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| 336 | ruhXe = (UChar)(uiContDStartEndMax-1); |
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| 337 | ruhYe = (UChar)Min( Max( -iDeltaEnd, 0 ), (uiContDStartEndMax-1) ); |
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| 338 | |
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| 339 | std::swap( ruhXs, ruhXe ); |
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| 340 | std::swap( ruhYs, ruhYe ); |
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| 341 | return; |
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| 342 | } |
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| 343 | default: |
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| 344 | { |
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| 345 | assert( 0 ); |
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| 346 | return; |
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| 347 | } |
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| 348 | } |
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| 349 | } |
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| 350 | |
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| 351 | // set start point depending on slope |
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| 352 | if( abs( iA_DeltaX ) >= abs( iA_DeltaY ) ) { if( iA_DeltaX < 0 ) { ruhXs = (UChar)(iAlignedRefEndX-1); ruhYs = 0; } |
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| 353 | if( iA_DeltaX > 0 ) { ruhXs = (UChar)(iAlignedRefEndX+1); ruhYs = 0; } } |
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| 354 | else { ruhXs = (UChar)(iAlignedRefEndX); ruhYs = 0; } |
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| 355 | |
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| 356 | // calc end point and determine orientation |
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| 357 | Int iVirtualEndX = (Int)ruhXs + roftoi( (Double)(uiContDStartEndMax-1) * ((Double)iA_DeltaX / (Double)iA_DeltaY) ); |
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| 358 | |
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| 359 | if( iVirtualEndX < 0 ) |
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| 360 | { |
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| 361 | Int iYe = roftoi( (Double)(0 - (Int)ruhXs) * ((Double)iA_DeltaY / (Double)iA_DeltaX) ) + iDeltaEnd; |
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| 362 | if( iYe < (Int)uiContDStartEndMax ) |
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| 363 | { |
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| 364 | uiContDOri = 0; |
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| 365 | ruhXe = 0; |
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| 366 | ruhYe = (UChar)Max( iYe, 0 ); |
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| 367 | |
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| 368 | return; |
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| 369 | } |
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| 370 | else |
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| 371 | { |
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| 372 | uiContDOri = 4; |
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| 373 | ruhXe = (UChar)Min( (iYe - (uiContDStartEndMax-1)), (uiContDStartEndMax-1) ); |
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| 374 | ruhYe = (UChar)(uiContDStartEndMax-1); |
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| 375 | |
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| 376 | return; |
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| 377 | } |
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| 378 | } |
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| 379 | else if( iVirtualEndX > (uiContDStartEndMax-1) ) |
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| 380 | { |
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| 381 | Int iYe = roftoi( (Double)((Int)(uiContDStartEndMax-1) - (Int)ruhXs) * ((Double)iA_DeltaY / (Double)iA_DeltaX) ) - iDeltaEnd; |
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| 382 | if( iYe < (Int)uiContDStartEndMax ) |
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| 383 | { |
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| 384 | uiContDOri = 1; |
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| 385 | ruhXe = (UChar)(uiContDStartEndMax-1); |
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| 386 | ruhYe = (UChar)Max( iYe, 0 ); |
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| 387 | |
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| 388 | std::swap( ruhXs, ruhXe ); |
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| 389 | std::swap( ruhYs, ruhYe ); |
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| 390 | return; |
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| 391 | } |
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| 392 | else |
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| 393 | { |
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| 394 | uiContDOri = 4; |
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| 395 | ruhXe = (UChar)Max( ((uiContDStartEndMax-1) - (iYe - (uiContDStartEndMax-1))), 0 ); |
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| 396 | ruhYe = (UChar)(uiContDStartEndMax-1); |
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| 397 | |
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| 398 | return; |
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| 399 | } |
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| 400 | } |
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| 401 | else |
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| 402 | { |
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| 403 | Int iXe = iVirtualEndX + iDeltaEnd; |
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| 404 | if( iXe < 0 ) |
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| 405 | { |
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| 406 | uiContDOri = 0; |
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| 407 | ruhXe = 0; |
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| 408 | ruhYe = (UChar)Max( ((uiContDStartEndMax-1) + iXe), 0 ); |
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| 409 | |
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| 410 | return; |
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| 411 | } |
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| 412 | else if( iXe > (uiContDStartEndMax-1) ) |
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| 413 | { |
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| 414 | uiContDOri = 1; |
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| 415 | ruhXe = (UChar)(uiContDStartEndMax-1); |
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| 416 | ruhYe = (UChar)Max( ((uiContDStartEndMax-1) - (iXe - (uiContDStartEndMax-1))), 0 ); |
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| 417 | |
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| 418 | std::swap( ruhXs, ruhXe ); |
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| 419 | std::swap( ruhYs, ruhYe ); |
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| 420 | return; |
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| 421 | } |
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| 422 | else |
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| 423 | { |
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| 424 | uiContDOri = 4; |
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| 425 | ruhXe = (UChar)iXe; |
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| 426 | ruhYe = (UChar)(uiContDStartEndMax-1); |
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| 427 | |
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| 428 | return; |
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| 429 | } |
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| 430 | } |
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| 431 | } |
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| 432 | |
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| 433 | Void TComWedgelet::getPredDirStartEndLeft( UChar& ruhXs, UChar& ruhYs, UChar& ruhXe, UChar& ruhYe, UInt uiPredDirBlockSize, UInt uiPredDirBlockOffset, Int iDeltaEnd ) |
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| 434 | { |
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| 435 | ruhXs = 0; |
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| 436 | ruhYs = 0; |
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| 437 | ruhXe = 0; |
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| 438 | ruhYe = 0; |
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| 439 | UInt uiContDOri; |
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| 440 | |
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| 441 | // get start/end of reference (=this) wedgelet |
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| 442 | UInt uiRefStartX = (UInt)getStartX(); |
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| 443 | UInt uiRefStartY = (UInt)getStartY(); |
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| 444 | UInt uiRefEndX = (UInt)getEndX(); |
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| 445 | UInt uiRefEndY = (UInt)getEndY(); |
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| 446 | |
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| 447 | WedgeResolution eContDWedgeRes = g_aeWedgeResolutionList[(UInt)g_aucConvertToBit[uiPredDirBlockSize]]; |
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| 448 | UInt uiContDStartEndMax = 0; |
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| 449 | UInt uiContDStartEndOffset = 0; |
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| 450 | switch( eContDWedgeRes ) |
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| 451 | { |
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| 452 | case( DOUBLE_PEL ): { uiContDStartEndMax = (uiPredDirBlockSize>>1); uiContDStartEndOffset = (uiPredDirBlockOffset>>1); break; } |
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| 453 | case( FULL_PEL ): { uiContDStartEndMax = uiPredDirBlockSize; uiContDStartEndOffset = uiPredDirBlockOffset; break; } |
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| 454 | case( HALF_PEL ): { uiContDStartEndMax = (uiPredDirBlockSize<<1); uiContDStartEndOffset = (uiPredDirBlockOffset<<1); break; } |
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| 455 | } |
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| 456 | |
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| 457 | // swap if start/end if line orientation is not from left to right |
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| 458 | if( 1 == (UInt)getOri() || 5 == (UInt)getOri() ) |
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| 459 | { |
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| 460 | std::swap( uiRefStartX, uiRefEndX ); |
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| 461 | std::swap( uiRefStartY, uiRefEndY ); |
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| 462 | } |
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| 463 | |
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| 464 | Int iL_DeltaX = (Int)uiRefEndX - (Int)uiRefStartX; |
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| 465 | Int iL_DeltaY = (Int)uiRefEndY - (Int)uiRefStartY; |
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| 466 | |
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| 467 | UInt uiScaledRefEndY = uiRefEndY; |
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| 468 | Int iDeltaRes = (Int)eContDWedgeRes - (Int)m_eWedgeRes; |
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| 469 | if( iDeltaRes > 0 ) { uiScaledRefEndY <<= iDeltaRes; } |
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| 470 | if( iDeltaRes < 0 ) { uiScaledRefEndY >>= -iDeltaRes; } |
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| 471 | |
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| 472 | assert( uiScaledRefEndY >= uiContDStartEndOffset ); |
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| 473 | Int iAlignedRefEndY = (Int)uiScaledRefEndY - (Int)uiContDStartEndOffset; |
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| 474 | |
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| 475 | // special for straight horizontal wedge |
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| 476 | if( iL_DeltaY == 0 ) |
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| 477 | { |
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| 478 | ruhXs = 0; |
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| 479 | ruhYs = (UChar)iAlignedRefEndY; |
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| 480 | |
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| 481 | Int iYe = iAlignedRefEndY - iDeltaEnd; |
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| 482 | if( iYe < 0 ) |
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| 483 | { |
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| 484 | uiContDOri = 0; |
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| 485 | ruhXe = (UChar)Min( Max( ((uiContDStartEndMax-1) + iYe), 0 ), (uiContDStartEndMax-1) ); |
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| 486 | ruhYe = 0; |
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| 487 | |
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| 488 | std::swap( ruhXs, ruhXe ); |
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| 489 | std::swap( ruhYs, ruhYe ); |
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| 490 | return; |
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| 491 | } |
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| 492 | else if( iYe > (uiContDStartEndMax-1) ) |
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| 493 | { |
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| 494 | uiContDOri = 3; |
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| 495 | ruhXe = (UChar)Min( Max( ((uiContDStartEndMax-1) - (iYe - (uiContDStartEndMax-1))), 0 ), (uiContDStartEndMax-1) ); |
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| 496 | ruhYe = (UChar)(uiContDStartEndMax-1); |
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| 497 | |
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| 498 | return; |
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| 499 | } |
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| 500 | else |
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| 501 | { |
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| 502 | uiContDOri = 5; |
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| 503 | ruhXe = (UChar)(uiContDStartEndMax-1); |
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| 504 | ruhYe = (UChar)iYe; |
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| 505 | |
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| 506 | std::swap( ruhXs, ruhXe ); |
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| 507 | std::swap( ruhYs, ruhYe ); |
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| 508 | return; |
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| 509 | } |
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| 510 | } |
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| 511 | |
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| 512 | // special for straight vertical short right line |
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| 513 | if( iL_DeltaX == 0 ) |
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| 514 | { |
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| 515 | switch( (UInt)getOri() ) |
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| 516 | { |
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| 517 | case( 1 ): |
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| 518 | { |
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| 519 | uiContDOri = 3; |
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| 520 | ruhXs = 0; |
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| 521 | ruhYs = (UChar)(iAlignedRefEndY+1); |
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| 522 | ruhXe = (UChar)Min( Max( iDeltaEnd, 0 ), (uiContDStartEndMax-1) ); |
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| 523 | ruhYe = (UChar)(uiContDStartEndMax-1); |
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| 524 | |
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| 525 | return; |
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| 526 | } |
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| 527 | case( 2 ): |
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| 528 | { |
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| 529 | uiContDOri = 0; |
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| 530 | ruhXs = 0; |
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| 531 | ruhYs = (UChar)(iAlignedRefEndY-1); |
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| 532 | ruhXe = (UChar)Min( Max( -iDeltaEnd, 0 ), (uiContDStartEndMax-1) ); |
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| 533 | ruhYe = 0; |
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| 534 | |
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| 535 | std::swap( ruhXs, ruhXe ); |
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| 536 | std::swap( ruhYs, ruhYe ); |
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| 537 | return; |
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| 538 | } |
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| 539 | default: |
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| 540 | { |
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| 541 | assert( 0 ); |
---|
| 542 | return; |
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| 543 | } |
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| 544 | } |
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| 545 | } |
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| 546 | |
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| 547 | // set start point depending on slope |
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| 548 | if( abs( iL_DeltaY ) >= abs( iL_DeltaX ) ) { if( iL_DeltaY < 0 ) { ruhYs = (UChar)(iAlignedRefEndY-1); ruhXs = 0; } |
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| 549 | if( iL_DeltaY > 0 ) { ruhYs = (UChar)(iAlignedRefEndY+1); ruhXs = 0; } } |
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| 550 | else { ruhYs = (UChar)(iAlignedRefEndY); ruhXs = 0; } |
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| 551 | |
---|
| 552 | // calc end point and determine orientation |
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| 553 | Int iVirtualEndY = (Int)ruhYs + roftoi( (Double)(uiContDStartEndMax-1) * ((Double)iL_DeltaY / (Double)iL_DeltaX) ); |
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| 554 | |
---|
| 555 | if( iVirtualEndY < 0 ) |
---|
| 556 | { |
---|
| 557 | Int iXe = roftoi( (Double)(0 - (Int)ruhYs ) * ((Double)iL_DeltaX / (Double)iL_DeltaY) ) - iDeltaEnd; |
---|
| 558 | if( iXe < (Int)uiContDStartEndMax ) |
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| 559 | { |
---|
| 560 | uiContDOri = 0; |
---|
| 561 | ruhXe = (UChar)Max( iXe, 0 ); |
---|
| 562 | ruhYe = 0; |
---|
| 563 | |
---|
| 564 | std::swap( ruhXs, ruhXe ); |
---|
| 565 | std::swap( ruhYs, ruhYe ); |
---|
| 566 | return; |
---|
| 567 | } |
---|
| 568 | else |
---|
| 569 | { |
---|
| 570 | uiContDOri = 5; |
---|
| 571 | ruhXe = (UChar)(uiContDStartEndMax-1); |
---|
| 572 | ruhYe = (UChar)Min( (iXe - (uiContDStartEndMax-1)), (uiContDStartEndMax-1) ); |
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| 573 | |
---|
| 574 | std::swap( ruhXs, ruhXe ); |
---|
| 575 | std::swap( ruhYs, ruhYe ); |
---|
| 576 | return; |
---|
| 577 | } |
---|
| 578 | } |
---|
| 579 | else if( iVirtualEndY > (uiContDStartEndMax-1) ) |
---|
| 580 | { |
---|
| 581 | Int iXe = roftoi( (Double)((Int)(uiContDStartEndMax-1) - (Int)ruhYs ) * ((Double)iL_DeltaX / (Double)iL_DeltaY) ) + iDeltaEnd; |
---|
| 582 | if( iXe < (Int)uiContDStartEndMax ) |
---|
| 583 | { |
---|
| 584 | uiContDOri = 3; |
---|
| 585 | ruhXe = (UChar)Max( iXe, 0 ); |
---|
| 586 | ruhYe = (UChar)(uiContDStartEndMax-1); |
---|
| 587 | |
---|
| 588 | return; |
---|
| 589 | } |
---|
| 590 | else |
---|
| 591 | { |
---|
| 592 | uiContDOri = 5; |
---|
| 593 | ruhXe = (UChar)(uiContDStartEndMax-1); |
---|
| 594 | ruhYe = (UChar)Max( ((uiContDStartEndMax-1) - (iXe - (uiContDStartEndMax-1))), 0 ); |
---|
| 595 | |
---|
| 596 | std::swap( ruhXs, ruhXe ); |
---|
| 597 | std::swap( ruhYs, ruhYe ); |
---|
| 598 | return; |
---|
| 599 | } |
---|
| 600 | } |
---|
| 601 | else |
---|
| 602 | { |
---|
| 603 | Int iYe = iVirtualEndY - iDeltaEnd; |
---|
| 604 | if( iYe < 0 ) |
---|
| 605 | { |
---|
| 606 | uiContDOri = 0; |
---|
| 607 | ruhXe = (UChar)Max( ((uiContDStartEndMax-1) + iYe), 0 ); |
---|
| 608 | ruhYe = 0; |
---|
| 609 | |
---|
| 610 | std::swap( ruhXs, ruhXe ); |
---|
| 611 | std::swap( ruhYs, ruhYe ); |
---|
| 612 | return; |
---|
| 613 | } |
---|
| 614 | else if( iYe > (uiContDStartEndMax-1) ) |
---|
| 615 | { |
---|
| 616 | uiContDOri = 3; |
---|
| 617 | ruhXe = (UChar)Max( ((uiContDStartEndMax-1) - (iYe - (uiContDStartEndMax-1))), 0 ); |
---|
| 618 | ruhYe = (UChar)(uiContDStartEndMax-1); |
---|
| 619 | |
---|
| 620 | return; |
---|
| 621 | } |
---|
| 622 | else |
---|
| 623 | { |
---|
| 624 | uiContDOri = 5; |
---|
| 625 | ruhXe = (UChar)(uiContDStartEndMax-1); |
---|
| 626 | ruhYe = (UChar)iYe; |
---|
| 627 | |
---|
| 628 | std::swap( ruhXs, ruhXe ); |
---|
| 629 | std::swap( ruhYs, ruhYe ); |
---|
| 630 | return; |
---|
| 631 | } |
---|
| 632 | } |
---|
| 633 | } |
---|
| 634 | #endif |
---|
| 635 | |
---|
| 636 | Void TComWedgelet::xGenerateWedgePattern() |
---|
| 637 | { |
---|
| 638 | UInt uiTempBlockSize = 0; |
---|
| 639 | UChar uhXs = 0, uhYs = 0, uhXe = 0, uhYe = 0; |
---|
| 640 | switch( m_eWedgeRes ) |
---|
| 641 | { |
---|
| 642 | case( DOUBLE_PEL ): { uiTempBlockSize = m_uiWidth; uhXs = (m_uhXs<<1); uhYs = (m_uhYs<<1); uhXe = (m_uhXe<<1); uhYe = (m_uhYe<<1); } break; |
---|
| 643 | case( FULL_PEL ): { uiTempBlockSize = m_uiWidth; uhXs = m_uhXs; uhYs = m_uhYs; uhXe = m_uhXe; uhYe = m_uhYe; } break; |
---|
| 644 | case( HALF_PEL ): { uiTempBlockSize = (m_uiWidth<<1); uhXs = m_uhXs; uhYs = m_uhYs; uhXe = m_uhXe; uhYe = m_uhYe; } break; |
---|
| 645 | } |
---|
| 646 | |
---|
| 647 | if( m_eWedgeRes == DOUBLE_PEL) // fix for line-end problem with DOUBLE_PEL resolution |
---|
| 648 | { |
---|
| 649 | if( m_uhOri == 1 ) { uhXs = uiTempBlockSize-1; } |
---|
| 650 | if( m_uhOri == 2 ) { uhXe = uiTempBlockSize-1; uhYs = uiTempBlockSize-1; } |
---|
| 651 | if( m_uhOri == 3 ) { uhYe = uiTempBlockSize-1; } |
---|
| 652 | if( m_uhOri == 4 ) { uhYe = uiTempBlockSize-1; } |
---|
| 653 | if( m_uhOri == 5 ) { uhXs = uiTempBlockSize-1; } |
---|
| 654 | } |
---|
| 655 | |
---|
| 656 | Bool* pbTempPattern = new Bool[ (uiTempBlockSize * uiTempBlockSize) ]; |
---|
| 657 | ::memset( pbTempPattern, 0, (uiTempBlockSize * uiTempBlockSize) * sizeof(Bool) ); |
---|
| 658 | Int iTempStride = uiTempBlockSize; |
---|
| 659 | |
---|
| 660 | xDrawEdgeLine( uhXs, uhYs, uhXe, uhYe, pbTempPattern, iTempStride ); |
---|
| 661 | |
---|
| 662 | switch( m_uhOri ) |
---|
| 663 | { |
---|
| 664 | case( 0 ): { for( UInt iX = 0; iX < uhXs; iX++ ) { UInt iY = 0; while( pbTempPattern[(iY * iTempStride) + iX] == false ) { pbTempPattern[(iY * iTempStride) + iX] = true; iY++; } } } break; |
---|
| 665 | case( 1 ): { for( UInt iY = 0; iY < uhYs; iY++ ) { UInt iX = uiTempBlockSize-1; while( pbTempPattern[(iY * iTempStride) + iX] == false ) { pbTempPattern[(iY * iTempStride) + iX] = true; iX--; } } } break; |
---|
| 666 | case( 2 ): { for( UInt iX = uiTempBlockSize-1; iX > uhXs; iX-- ) { UInt iY = uiTempBlockSize-1; while( pbTempPattern[(iY * iTempStride) + iX] == false ) { pbTempPattern[(iY * iTempStride) + iX] = true; iY--; } } } break; |
---|
| 667 | case( 3 ): { for( UInt iY = uiTempBlockSize-1; iY > uhYs; iY-- ) { UInt iX = 0; while( pbTempPattern[(iY * iTempStride) + iX] == false ) { pbTempPattern[(iY * iTempStride) + iX] = true; iX++; } } } break; |
---|
| 668 | case( 4 ): { for( UInt iY = 0; iY < uiTempBlockSize; iY++ ) { UInt iX = 0; while( pbTempPattern[(iY * iTempStride) + iX] == false ) { pbTempPattern[(iY * iTempStride) + iX] = true; iX++; } } } break; |
---|
| 669 | case( 5 ): { for( UInt iX = 0; iX < uiTempBlockSize; iX++ ) { UInt iY = 0; while( pbTempPattern[(iY * iTempStride) + iX] == false ) { pbTempPattern[(iY * iTempStride) + iX] = true; iY++; } } } break; |
---|
| 670 | } |
---|
| 671 | |
---|
| 672 | clear(); |
---|
| 673 | switch( m_eWedgeRes ) |
---|
| 674 | { |
---|
| 675 | case( DOUBLE_PEL ): { for( UInt k = 0; k < (m_uiWidth * m_uiHeight); k++ ) { m_pbPattern[k] = pbTempPattern[k]; }; } break; |
---|
| 676 | case( FULL_PEL ): { for( UInt k = 0; k < (m_uiWidth * m_uiHeight); k++ ) { m_pbPattern[k] = pbTempPattern[k]; }; } break; |
---|
| 677 | case( HALF_PEL ): // sub-sampling by factor 2 |
---|
| 678 | { |
---|
| 679 | Int iStride = getStride(); |
---|
| 680 | |
---|
| 681 | UInt uiOffX, uiOffY; |
---|
| 682 | switch( m_uhOri ) |
---|
| 683 | { |
---|
| 684 | case( 0 ): { uiOffX = 0; uiOffY = 0; } break; |
---|
| 685 | case( 1 ): { uiOffX = 1; uiOffY = 0; } break; |
---|
| 686 | case( 2 ): { uiOffX = 1; uiOffY = 1; } break; |
---|
| 687 | case( 3 ): { uiOffX = 0; uiOffY = 1; } break; |
---|
| 688 | case( 4 ): { uiOffX = 0; uiOffY = 0; } break; |
---|
| 689 | case( 5 ): { uiOffX = 0; uiOffY = 0; } break; |
---|
| 690 | default: { uiOffX = 0; uiOffY = 0; } break; |
---|
| 691 | } |
---|
| 692 | |
---|
| 693 | for(Int iY = 0; iY < m_uiHeight; iY++) |
---|
| 694 | { |
---|
| 695 | for(Int iX = 0; iX < m_uiWidth; iX++) |
---|
| 696 | { |
---|
| 697 | m_pbPattern[(iY * iStride) + iX] = pbTempPattern[(((iY<<1)+uiOffY) * iTempStride) + ((iX<<1)+uiOffX)]; |
---|
| 698 | } |
---|
| 699 | } |
---|
| 700 | } |
---|
| 701 | break; |
---|
| 702 | } |
---|
| 703 | |
---|
| 704 | if( pbTempPattern ) |
---|
| 705 | { |
---|
| 706 | delete [] pbTempPattern; |
---|
| 707 | pbTempPattern = NULL; |
---|
| 708 | } |
---|
| 709 | } |
---|
| 710 | |
---|
| 711 | Void TComWedgelet::xDrawEdgeLine( UChar uhXs, UChar uhYs, UChar uhXe, UChar uhYe, Bool* pbPattern, Int iPatternStride ) |
---|
| 712 | { |
---|
| 713 | Int x0 = (Int)uhXs; |
---|
| 714 | Int y0 = (Int)uhYs; |
---|
| 715 | Int x1 = (Int)uhXe; |
---|
| 716 | Int y1 = (Int)uhYe; |
---|
| 717 | |
---|
| 718 | // direction independent Bresenham line |
---|
| 719 | bool steep = (abs(y1 - y0) > abs(x1 - x0)); |
---|
| 720 | if( steep ) |
---|
| 721 | { |
---|
| 722 | std::swap( x0, y0 ); |
---|
| 723 | std::swap( x1, y1 ); |
---|
| 724 | } |
---|
| 725 | |
---|
| 726 | bool backward = ( x0 > x1 ); |
---|
| 727 | if( backward ) |
---|
| 728 | { |
---|
| 729 | std::swap( x0, x1 ); |
---|
| 730 | std::swap( y0, y1 ); |
---|
| 731 | } |
---|
| 732 | |
---|
| 733 | Int deltax = x1 - x0; |
---|
| 734 | Int deltay = abs(y1 - y0); |
---|
| 735 | double error = 0.0; |
---|
| 736 | double deltaerr = (double)deltay / (double)deltax; |
---|
| 737 | |
---|
| 738 | Int ystep; |
---|
| 739 | Int y = y0; |
---|
| 740 | if( y0 < y1 ) ystep = 1; |
---|
| 741 | else ystep = -1; |
---|
| 742 | |
---|
| 743 | for( Int x = x0; x <= x1; x++ ) |
---|
| 744 | { |
---|
| 745 | if( steep ) { pbPattern[(x * iPatternStride) + y] = true; } |
---|
| 746 | else { pbPattern[(y * iPatternStride) + x] = true; } |
---|
| 747 | |
---|
| 748 | error += deltaerr; |
---|
| 749 | if( error >= 0.5) |
---|
| 750 | { |
---|
| 751 | y += ystep; |
---|
| 752 | error = error - 1.0; |
---|
| 753 | } |
---|
| 754 | } |
---|
| 755 | } |
---|