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 | |
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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 | using namespace std; |
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46 | |
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47 | #if H_3D_DIM_DMM |
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48 | TComWedgelet::TComWedgelet( UInt uiWidth, UInt uiHeight ) : m_uhXs ( 0 ), |
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49 | m_uhYs ( 0 ), |
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50 | m_uhXe ( 0 ), |
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51 | m_uhYe ( 0 ), |
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52 | m_uhOri ( 0 ), |
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53 | m_eWedgeRes( FULL_PEL ), |
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54 | m_bIsCoarse( false ) |
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55 | { |
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56 | create( uiWidth, uiHeight ); |
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57 | } |
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58 | |
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59 | TComWedgelet::TComWedgelet( const TComWedgelet &rcWedge ) : m_uhXs ( rcWedge.m_uhXs ), |
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60 | m_uhYs ( rcWedge.m_uhYs ), |
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61 | m_uhXe ( rcWedge.m_uhXe ), |
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62 | m_uhYe ( rcWedge.m_uhYe ), |
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63 | m_uhOri ( rcWedge.m_uhOri ), |
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64 | m_eWedgeRes( rcWedge.m_eWedgeRes ), |
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65 | m_bIsCoarse( rcWedge.m_bIsCoarse ), |
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66 | m_uiAng ( rcWedge.m_uiAng ), |
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67 | m_uiWidth ( rcWedge.m_uiWidth ), |
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68 | m_uiHeight ( rcWedge.m_uiHeight ), |
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69 | m_pbPattern( (Bool*)xMalloc( Bool, (m_uiWidth * m_uiHeight) ) ) |
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70 | { |
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71 | ::memcpy( m_pbPattern, rcWedge.m_pbPattern, sizeof(Bool) * (m_uiWidth * m_uiHeight)); |
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72 | } |
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73 | |
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74 | TComWedgelet::~TComWedgelet(void) |
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75 | { |
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76 | destroy(); |
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77 | } |
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78 | |
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79 | Void TComWedgelet::create( UInt uiWidth, UInt uiHeight ) |
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80 | { |
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81 | assert( uiWidth > 0 && uiHeight > 0 ); |
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82 | |
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83 | m_uiWidth = uiWidth; |
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84 | m_uiHeight = uiHeight; |
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85 | |
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86 | m_pbPattern = (Bool*)xMalloc( Bool, (m_uiWidth * m_uiHeight) ); |
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87 | } |
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88 | |
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89 | Void TComWedgelet::destroy() |
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90 | { |
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91 | if( m_pbPattern ) { xFree( m_pbPattern ); m_pbPattern = NULL; } |
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92 | } |
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93 | |
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94 | Void TComWedgelet::clear() |
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95 | { |
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96 | ::memset( m_pbPattern, 0, (m_uiWidth * m_uiHeight) * sizeof(Bool) ); |
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97 | } |
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98 | |
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99 | Void TComWedgelet::findClosestAngle() |
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100 | { |
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101 | UInt uiAng=0,uiOptAng=0; |
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102 | UInt uiMinD=MAX_UINT; |
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103 | UInt uiTmpD=0; |
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104 | Int angTable[9] = {0, 2, 5, 9, 13, 17, 21, 26, 32}; |
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105 | |
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106 | UChar uhXs = m_uhXs; |
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107 | UChar uhYs = m_uhYs; |
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108 | UChar uhXe = m_uhXe; |
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109 | UChar uhYe = m_uhYe; |
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110 | |
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111 | for(uiAng=2; uiAng<=34; uiAng++) |
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112 | { |
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113 | Int iSign = (uiAng<VER_IDX && uiAng>HOR_IDX ) ? -1 : 1; |
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114 | Int iVer = uiAng>17 ? 32 : angTable[(uiAng>10) ? (uiAng-10) : (10-uiAng)]; |
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115 | Int iHor = uiAng<19 ? 32 : angTable[(uiAng>26) ? (uiAng-26) : (26-uiAng)]; |
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116 | |
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117 | uiTmpD = abs(iVer*iSign*(uhXs-uhXe) - iHor*(uhYe-uhYs)); |
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118 | |
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119 | if( uiTmpD < uiMinD ) |
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120 | { |
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121 | uiMinD = uiTmpD; |
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122 | uiOptAng = uiAng; |
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123 | } |
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124 | } |
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125 | m_uiAng = uiOptAng; |
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126 | } |
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127 | |
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128 | Void TComWedgelet::setWedgelet( UChar uhXs, UChar uhYs, UChar uhXe, UChar uhYe, UChar uhOri, WedgeResolution eWedgeRes, Bool bIsCoarse ) |
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129 | { |
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130 | m_uhXs = uhXs; |
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131 | m_uhYs = uhYs; |
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132 | m_uhXe = uhXe; |
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133 | m_uhYe = uhYe; |
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134 | m_uhOri = uhOri; |
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135 | m_eWedgeRes = eWedgeRes; |
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136 | m_bIsCoarse = bIsCoarse; |
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137 | |
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138 | xGenerateWedgePattern(); |
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139 | } |
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140 | |
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141 | Bool TComWedgelet::checkNotPlain() |
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142 | { |
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143 | for( UInt k = 1; k < (m_uiWidth * m_uiHeight); k++ ) |
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144 | { |
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145 | if( m_pbPattern[0] != m_pbPattern[k] ) |
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146 | { |
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147 | return true; |
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148 | } |
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149 | } |
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150 | return false; |
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151 | } |
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152 | |
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153 | Bool TComWedgelet::checkIdentical( Bool* pbRefPattern ) |
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154 | { |
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155 | for( UInt k = 0; k < (m_uiWidth * m_uiHeight); k++ ) |
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156 | { |
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157 | if( m_pbPattern[k] != pbRefPattern[k] ) |
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158 | { |
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159 | return false; |
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160 | } |
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161 | } |
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162 | return true; |
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163 | } |
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164 | |
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165 | Bool TComWedgelet::checkInvIdentical( Bool* pbRefPattern ) |
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166 | { |
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167 | for( UInt k = 0; k < (m_uiWidth * m_uiHeight); k++ ) |
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168 | { |
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169 | if( m_pbPattern[k] == pbRefPattern[k] ) |
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170 | { |
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171 | return false; |
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172 | } |
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173 | } |
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174 | return true; |
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175 | } |
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176 | |
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177 | Bool TComWedgelet::checkPredDirAbovePossible( UInt uiPredDirBlockSize, UInt uiPredDirBlockOffset ) |
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178 | { |
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179 | WedgeResolution eContDWedgeRes = g_dmmWedgeResolution[(UInt)g_aucConvertToBit[uiPredDirBlockSize]]; |
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180 | UInt uiContDStartEndMax = 0; |
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181 | UInt uiContDStartEndOffset = 0; |
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182 | switch( eContDWedgeRes ) |
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183 | { |
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184 | case( DOUBLE_PEL ): { uiContDStartEndMax = (uiPredDirBlockSize>>1); uiContDStartEndOffset = (uiPredDirBlockOffset>>1); break; } |
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185 | case( FULL_PEL ): { uiContDStartEndMax = uiPredDirBlockSize; uiContDStartEndOffset = uiPredDirBlockOffset; break; } |
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186 | case( HALF_PEL ): { uiContDStartEndMax = (uiPredDirBlockSize<<1); uiContDStartEndOffset = (uiPredDirBlockOffset<<1); break; } |
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187 | } |
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188 | |
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189 | if( m_uhOri == 2 || m_uhOri == 3 || m_uhOri == 4 ) |
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190 | { |
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191 | UInt uiThisStartEndMax = 0; |
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192 | switch( m_eWedgeRes ) |
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193 | { |
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194 | case( DOUBLE_PEL ): { uiThisStartEndMax = (m_uiWidth>>1); break; } |
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195 | case( FULL_PEL ): { uiThisStartEndMax = m_uiWidth; break; } |
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196 | case( HALF_PEL ): { uiThisStartEndMax = (m_uiWidth<<1); break; } |
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197 | } |
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198 | |
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199 | UChar uhStartX = m_uhXs; |
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200 | UChar uhStartY = m_uhYs; |
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201 | UChar uhEndX = m_uhXe; |
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202 | UChar uhEndY = m_uhYe; |
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203 | |
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204 | if( 2 == m_uhOri ) |
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205 | { |
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206 | std::swap( uhStartX, uhEndX ); |
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207 | std::swap( uhStartY, uhEndY ); |
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208 | } |
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209 | |
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210 | UInt uiScaledEndX = (UInt)uhEndX; |
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211 | Int iDeltaRes = (Int)eContDWedgeRes - (Int)m_eWedgeRes; |
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212 | if( iDeltaRes > 0 ) { uiScaledEndX <<= iDeltaRes; } |
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213 | if( iDeltaRes < 0 ) { uiScaledEndX >>= -iDeltaRes; } |
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214 | |
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215 | if( ((UInt)uhEndY == (uiThisStartEndMax-1)) && ((uiScaledEndX-uiContDStartEndOffset) > 0 && (uiScaledEndX-uiContDStartEndOffset) < (uiContDStartEndMax-1)) ) |
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216 | { |
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217 | return true; |
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218 | } |
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219 | } |
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220 | |
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221 | return false; |
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222 | } |
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223 | |
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224 | Bool TComWedgelet::checkPredDirLeftPossible( UInt uiPredDirBlockSize, UInt uiPredDirBlockOffset ) |
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225 | { |
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226 | WedgeResolution eContDWedgeRes = g_dmmWedgeResolution[(UInt)g_aucConvertToBit[uiPredDirBlockSize]]; |
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227 | UInt uiContDStartEndMax = 0; |
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228 | UInt uiContDStartEndOffset = 0; |
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229 | switch( eContDWedgeRes ) |
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230 | { |
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231 | case( DOUBLE_PEL ): { uiContDStartEndMax = (uiPredDirBlockSize>>1); uiContDStartEndOffset = (uiPredDirBlockOffset>>1); break; } |
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232 | case( FULL_PEL ): { uiContDStartEndMax = uiPredDirBlockSize; uiContDStartEndOffset = uiPredDirBlockOffset; break; } |
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233 | case( HALF_PEL ): { uiContDStartEndMax = (uiPredDirBlockSize<<1); uiContDStartEndOffset = (uiPredDirBlockOffset<<1); break; } |
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234 | } |
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235 | |
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236 | if( m_uhOri == 1 || m_uhOri == 2 || m_uhOri == 5 ) |
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237 | { |
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238 | UInt uiThisStartEndMax = 0; |
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239 | switch( m_eWedgeRes ) |
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240 | { |
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241 | case( DOUBLE_PEL ): { uiThisStartEndMax = (m_uiHeight>>1); break; } |
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242 | case( FULL_PEL ): { uiThisStartEndMax = m_uiHeight; break; } |
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243 | case( HALF_PEL ): { uiThisStartEndMax = (m_uiHeight<<1); break; } |
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244 | } |
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245 | |
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246 | UChar uhStartX = m_uhXs; |
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247 | UChar uhStartY = m_uhYs; |
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248 | UChar uhEndX = m_uhXe; |
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249 | UChar uhEndY = m_uhYe; |
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250 | |
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251 | if( 1 == m_uhOri || 5 == m_uhOri ) |
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252 | { |
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253 | std::swap( uhStartX, uhEndX ); |
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254 | std::swap( uhStartY, uhEndY ); |
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255 | } |
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256 | |
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257 | UInt uiScaledEndY = (UInt)uhEndY; |
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258 | Int iDeltaRes = (Int)eContDWedgeRes - (Int)m_eWedgeRes; |
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259 | if( iDeltaRes > 0 ) { uiScaledEndY <<= iDeltaRes; } |
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260 | if( iDeltaRes < 0 ) { uiScaledEndY >>= -iDeltaRes; } |
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261 | |
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262 | if( ((UInt)uhEndX == (uiThisStartEndMax-1)) && ((uiScaledEndY-uiContDStartEndOffset) > 0 && (uiScaledEndY-uiContDStartEndOffset) < (uiContDStartEndMax-1)) ) |
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263 | { |
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264 | return true; |
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265 | } |
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266 | } |
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267 | |
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268 | return false; |
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269 | } |
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270 | |
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271 | Void TComWedgelet::getPredDirStartEndAbove( UChar& ruhXs, UChar& ruhYs, UChar& ruhXe, UChar& ruhYe, UInt uiPredDirBlockSize, UInt uiPredDirBlockOffset, Int iDeltaEnd ) |
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272 | { |
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273 | ruhXs = 0; |
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274 | ruhYs = 0; |
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275 | ruhXe = 0; |
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276 | ruhYe = 0; |
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277 | |
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278 | // get start/end of reference (=this) wedgelet |
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279 | UInt uiRefStartX = (UInt)getStartX(); |
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280 | UInt uiRefStartY = (UInt)getStartY(); |
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281 | UInt uiRefEndX = (UInt)getEndX(); |
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282 | UInt uiRefEndY = (UInt)getEndY(); |
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283 | |
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284 | WedgeResolution eContDWedgeRes = g_dmmWedgeResolution[(UInt)g_aucConvertToBit[uiPredDirBlockSize]]; |
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285 | UInt uiContDStartEndMax = 0; |
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286 | UInt uiContDStartEndOffset = 0; |
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287 | switch( eContDWedgeRes ) |
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288 | { |
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289 | case( DOUBLE_PEL ): { uiContDStartEndMax = (uiPredDirBlockSize>>1); uiContDStartEndOffset = (uiPredDirBlockOffset>>1); break; } |
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290 | case( FULL_PEL ): { uiContDStartEndMax = uiPredDirBlockSize; uiContDStartEndOffset = uiPredDirBlockOffset; break; } |
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291 | case( HALF_PEL ): { uiContDStartEndMax = (uiPredDirBlockSize<<1); uiContDStartEndOffset = (uiPredDirBlockOffset<<1); break; } |
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292 | } |
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293 | Int iContDMaxPos = (Int)uiContDStartEndMax - 1; |
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294 | |
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295 | // swap if start/end if line orientation is not from top to bottom |
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296 | if( 2 == (UInt)getOri() ) |
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297 | { |
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298 | std::swap( uiRefStartX, uiRefEndX ); |
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299 | std::swap( uiRefStartY, uiRefEndY ); |
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300 | } |
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301 | |
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302 | // calc slopes |
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303 | Int iA_DeltaX = (Int)uiRefEndX - (Int)uiRefStartX; |
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304 | Int iA_DeltaY = (Int)uiRefEndY - (Int)uiRefStartY; |
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305 | |
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306 | // get aligned end x value of ref wedge |
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307 | UInt uiScaledRefEndX = uiRefEndX; |
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308 | Int iDeltaRes = (Int)eContDWedgeRes - (Int)m_eWedgeRes; |
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309 | if( iDeltaRes > 0 ) { uiScaledRefEndX <<= iDeltaRes; } |
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310 | if( iDeltaRes < 0 ) { uiScaledRefEndX >>= -iDeltaRes; } |
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311 | |
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312 | assert( uiScaledRefEndX >= uiContDStartEndOffset ); |
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313 | Int iAlignedRefEndX = (Int)uiScaledRefEndX - (Int)uiContDStartEndOffset; |
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314 | |
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315 | // special for straight vertical wedge |
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316 | if( iA_DeltaX == 0 ) |
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317 | { |
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318 | ruhXs = (UChar)iAlignedRefEndX; |
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319 | ruhYs = 0; |
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320 | |
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321 | Int iXe = iAlignedRefEndX + iDeltaEnd; |
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322 | if( iXe < 0 ) |
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323 | { |
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324 | ruhXe = 0; |
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325 | ruhYe = (UChar)min( max( (iContDMaxPos + iXe), 0 ), iContDMaxPos ); |
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326 | |
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327 | return; |
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328 | } |
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329 | else if( iXe > iContDMaxPos ) |
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330 | { |
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331 | ruhXe = (UChar)iContDMaxPos; |
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332 | ruhYe = (UChar)min( max( (iContDMaxPos - (iXe - iContDMaxPos)), 0 ), iContDMaxPos ); |
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333 | |
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334 | std::swap( ruhXs, ruhXe ); |
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335 | std::swap( ruhYs, ruhYe ); |
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336 | return; |
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337 | } |
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338 | else |
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339 | { |
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340 | ruhXe = (UChar)iXe; |
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341 | ruhYe = (UChar)iContDMaxPos; |
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342 | |
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343 | return; |
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344 | } |
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345 | } |
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346 | |
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347 | // special for straight horizontal short bottom line |
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348 | if( iA_DeltaY == 0 ) |
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349 | { |
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350 | switch( (UInt)getOri() ) |
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351 | { |
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352 | case( 2 ): |
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353 | { |
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354 | ruhXs = (UChar)(iAlignedRefEndX-1); |
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355 | ruhYs = 0; |
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356 | ruhXe = 0; |
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357 | ruhYe = (UChar)min( max( iDeltaEnd, 0 ), iContDMaxPos ); |
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358 | |
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359 | return; |
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360 | } |
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361 | case( 3 ): |
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362 | { |
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363 | ruhXs = (UChar)(iAlignedRefEndX+1); |
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364 | ruhYs = 0; |
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365 | ruhXe = (UChar)iContDMaxPos; |
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366 | ruhYe = (UChar)min( max( -iDeltaEnd, 0 ), iContDMaxPos ); |
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367 | |
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368 | std::swap( ruhXs, ruhXe ); |
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369 | std::swap( ruhYs, ruhYe ); |
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370 | return; |
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371 | } |
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372 | default: |
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373 | { |
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374 | assert( 0 ); |
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375 | return; |
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376 | } |
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377 | } |
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378 | } |
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379 | |
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380 | // set start point depending on slope |
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381 | if( abs( iA_DeltaX ) >= abs( iA_DeltaY ) ) { if( iA_DeltaX < 0 ) { ruhXs = (UChar)(iAlignedRefEndX-1); ruhYs = 0; } |
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382 | if( iA_DeltaX > 0 ) { ruhXs = (UChar)(iAlignedRefEndX+1); ruhYs = 0; } } |
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383 | else { ruhXs = (UChar)(iAlignedRefEndX); ruhYs = 0; } |
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384 | |
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385 | // calc end point and determine orientation |
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386 | Int iVirtualEndX = (Int)ruhXs + roftoi( (Double)iContDMaxPos * ((Double)iA_DeltaX / (Double)iA_DeltaY) ); |
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387 | |
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388 | if( iVirtualEndX < 0 ) |
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389 | { |
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390 | Int iYe = roftoi( (Double)(0 - (Int)ruhXs) * ((Double)iA_DeltaY / (Double)iA_DeltaX) ) + iDeltaEnd; |
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391 | if( iYe < (Int)uiContDStartEndMax ) |
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392 | { |
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393 | ruhXe = 0; |
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394 | ruhYe = (UChar)max( iYe, 0 ); |
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395 | |
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396 | return; |
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397 | } |
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398 | else |
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399 | { |
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400 | ruhXe = (UChar)min( (iYe - iContDMaxPos), iContDMaxPos ); |
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401 | ruhYe = (UChar)iContDMaxPos; |
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402 | |
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403 | return; |
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404 | } |
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405 | } |
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406 | else if( iVirtualEndX > iContDMaxPos ) |
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407 | { |
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408 | Int iYe = roftoi( (Double)(iContDMaxPos - (Int)ruhXs) * ((Double)iA_DeltaY / (Double)iA_DeltaX) ) - iDeltaEnd; |
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409 | if( iYe < (Int)uiContDStartEndMax ) |
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410 | { |
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411 | ruhXe = (UChar)iContDMaxPos; |
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412 | ruhYe = (UChar)max( iYe, 0 ); |
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413 | |
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414 | std::swap( ruhXs, ruhXe ); |
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415 | std::swap( ruhYs, ruhYe ); |
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416 | return; |
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417 | } |
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418 | else |
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419 | { |
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420 | ruhXe = (UChar)max( (iContDMaxPos - (iYe - iContDMaxPos)), 0 ); |
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421 | ruhYe = (UChar)iContDMaxPos; |
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422 | |
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423 | return; |
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424 | } |
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425 | } |
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426 | else |
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427 | { |
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428 | Int iXe = iVirtualEndX + iDeltaEnd; |
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429 | if( iXe < 0 ) |
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430 | { |
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431 | ruhXe = 0; |
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432 | ruhYe = (UChar)max( (iContDMaxPos + iXe), 0 ); |
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433 | |
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434 | return; |
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435 | } |
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436 | else if( iXe > iContDMaxPos ) |
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437 | { |
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438 | ruhXe = (UChar)iContDMaxPos; |
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439 | ruhYe = (UChar)max( (iContDMaxPos - (iXe - iContDMaxPos)), 0 ); |
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440 | |
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441 | std::swap( ruhXs, ruhXe ); |
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442 | std::swap( ruhYs, ruhYe ); |
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443 | return; |
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444 | } |
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445 | else |
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446 | { |
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447 | ruhXe = (UChar)iXe; |
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448 | ruhYe = (UChar)iContDMaxPos; |
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449 | |
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450 | return; |
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451 | } |
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452 | } |
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453 | } |
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454 | |
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455 | Void TComWedgelet::getPredDirStartEndLeft( UChar& ruhXs, UChar& ruhYs, UChar& ruhXe, UChar& ruhYe, UInt uiPredDirBlockSize, UInt uiPredDirBlockOffset, Int iDeltaEnd ) |
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456 | { |
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457 | ruhXs = 0; |
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458 | ruhYs = 0; |
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459 | ruhXe = 0; |
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460 | ruhYe = 0; |
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461 | |
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462 | // get start/end of reference (=this) wedgelet |
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463 | UInt uiRefStartX = (UInt)getStartX(); |
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464 | UInt uiRefStartY = (UInt)getStartY(); |
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465 | UInt uiRefEndX = (UInt)getEndX(); |
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466 | UInt uiRefEndY = (UInt)getEndY(); |
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467 | |
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468 | WedgeResolution eContDWedgeRes = g_dmmWedgeResolution[(UInt)g_aucConvertToBit[uiPredDirBlockSize]]; |
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469 | UInt uiContDStartEndMax = 0; |
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470 | UInt uiContDStartEndOffset = 0; |
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471 | switch( eContDWedgeRes ) |
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472 | { |
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473 | case( DOUBLE_PEL ): { uiContDStartEndMax = (uiPredDirBlockSize>>1); uiContDStartEndOffset = (uiPredDirBlockOffset>>1); break; } |
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474 | case( FULL_PEL ): { uiContDStartEndMax = uiPredDirBlockSize; uiContDStartEndOffset = uiPredDirBlockOffset; break; } |
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475 | case( HALF_PEL ): { uiContDStartEndMax = (uiPredDirBlockSize<<1); uiContDStartEndOffset = (uiPredDirBlockOffset<<1); break; } |
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476 | } |
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477 | Int iContDMaxPos = (Int)uiContDStartEndMax - 1; |
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478 | |
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479 | // swap if start/end if line orientation is not from left to right |
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480 | if( 1 == (UInt)getOri() || 5 == (UInt)getOri() ) |
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481 | { |
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482 | std::swap( uiRefStartX, uiRefEndX ); |
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483 | std::swap( uiRefStartY, uiRefEndY ); |
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484 | } |
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485 | |
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486 | Int iL_DeltaX = (Int)uiRefEndX - (Int)uiRefStartX; |
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487 | Int iL_DeltaY = (Int)uiRefEndY - (Int)uiRefStartY; |
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488 | |
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489 | UInt uiScaledRefEndY = uiRefEndY; |
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490 | Int iDeltaRes = (Int)eContDWedgeRes - (Int)m_eWedgeRes; |
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491 | if( iDeltaRes > 0 ) { uiScaledRefEndY <<= iDeltaRes; } |
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492 | if( iDeltaRes < 0 ) { uiScaledRefEndY >>= -iDeltaRes; } |
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493 | |
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494 | assert( uiScaledRefEndY >= uiContDStartEndOffset ); |
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495 | Int iAlignedRefEndY = (Int)uiScaledRefEndY - (Int)uiContDStartEndOffset; |
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496 | |
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497 | // special for straight horizontal wedge |
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498 | if( iL_DeltaY == 0 ) |
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499 | { |
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500 | ruhXs = 0; |
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501 | ruhYs = (UChar)iAlignedRefEndY; |
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502 | |
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503 | Int iYe = iAlignedRefEndY - iDeltaEnd; |
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504 | if( iYe < 0 ) |
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505 | { |
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506 | ruhXe = (UChar)min( max( (iContDMaxPos + iYe), 0 ), iContDMaxPos ); |
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507 | ruhYe = 0; |
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508 | |
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509 | std::swap( ruhXs, ruhXe ); |
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510 | std::swap( ruhYs, ruhYe ); |
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511 | return; |
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512 | } |
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513 | else if( iYe > iContDMaxPos ) |
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514 | { |
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515 | ruhXe = (UChar)min( max( (iContDMaxPos - (iYe - iContDMaxPos)), 0 ), iContDMaxPos ); |
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516 | ruhYe = (UChar)iContDMaxPos; |
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517 | |
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518 | return; |
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519 | } |
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520 | else |
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521 | { |
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522 | ruhXe = (UChar)iContDMaxPos; |
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523 | ruhYe = (UChar)iYe; |
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524 | |
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525 | std::swap( ruhXs, ruhXe ); |
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526 | std::swap( ruhYs, ruhYe ); |
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527 | return; |
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528 | } |
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529 | } |
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530 | |
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531 | // special for straight vertical short right line |
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532 | if( iL_DeltaX == 0 ) |
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533 | { |
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534 | switch( (UInt)getOri() ) |
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535 | { |
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536 | case( 1 ): |
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537 | { |
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538 | ruhXs = 0; |
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539 | ruhYs = (UChar)(iAlignedRefEndY+1); |
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540 | ruhXe = (UChar)min( max( iDeltaEnd, 0 ), iContDMaxPos ); |
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541 | ruhYe = (UChar)iContDMaxPos; |
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542 | |
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543 | return; |
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544 | } |
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545 | case( 2 ): |
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546 | { |
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547 | ruhXs = 0; |
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548 | ruhYs = (UChar)(iAlignedRefEndY-1); |
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549 | ruhXe = (UChar)min( max( -iDeltaEnd, 0 ), iContDMaxPos ); |
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550 | ruhYe = 0; |
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551 | |
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552 | std::swap( ruhXs, ruhXe ); |
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553 | std::swap( ruhYs, ruhYe ); |
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554 | return; |
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555 | } |
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556 | default: |
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557 | { |
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558 | assert( 0 ); |
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559 | return; |
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560 | } |
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561 | } |
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562 | } |
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563 | |
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564 | // set start point depending on slope |
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565 | if( abs( iL_DeltaY ) >= abs( iL_DeltaX ) ) { if( iL_DeltaY < 0 ) { ruhYs = (UChar)(iAlignedRefEndY-1); ruhXs = 0; } |
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566 | if( iL_DeltaY > 0 ) { ruhYs = (UChar)(iAlignedRefEndY+1); ruhXs = 0; } } |
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567 | else { ruhYs = (UChar)(iAlignedRefEndY); ruhXs = 0; } |
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568 | |
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569 | // calc end point and determine orientation |
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570 | Int iVirtualEndY = (Int)ruhYs + roftoi( (Double)iContDMaxPos * ((Double)iL_DeltaY / (Double)iL_DeltaX) ); |
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571 | |
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572 | if( iVirtualEndY < 0 ) |
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573 | { |
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574 | Int iXe = roftoi( (Double)(0 - (Int)ruhYs ) * ((Double)iL_DeltaX / (Double)iL_DeltaY) ) - iDeltaEnd; |
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575 | if( iXe < (Int)uiContDStartEndMax ) |
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576 | { |
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577 | ruhXe = (UChar)max( iXe, 0 ); |
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578 | ruhYe = 0; |
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579 | |
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580 | std::swap( ruhXs, ruhXe ); |
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581 | std::swap( ruhYs, ruhYe ); |
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582 | return; |
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583 | } |
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584 | else |
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585 | { |
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586 | ruhXe = (UChar)iContDMaxPos; |
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587 | ruhYe = (UChar)min( (iXe - iContDMaxPos), iContDMaxPos ); |
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588 | |
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589 | std::swap( ruhXs, ruhXe ); |
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590 | std::swap( ruhYs, ruhYe ); |
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591 | return; |
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592 | } |
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593 | } |
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594 | else if( iVirtualEndY > iContDMaxPos ) |
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595 | { |
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596 | Int iXe = roftoi( (Double)(iContDMaxPos - (Int)ruhYs ) * ((Double)iL_DeltaX / (Double)iL_DeltaY) ) + iDeltaEnd; |
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597 | if( iXe < (Int)uiContDStartEndMax ) |
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598 | { |
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599 | ruhXe = (UChar)max( iXe, 0 ); |
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600 | ruhYe = (UChar)iContDMaxPos; |
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601 | |
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602 | return; |
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603 | } |
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604 | else |
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605 | { |
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606 | ruhXe = (UChar)iContDMaxPos; |
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607 | ruhYe = (UChar)max( (iContDMaxPos - (iXe - iContDMaxPos)), 0 ); |
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608 | |
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609 | std::swap( ruhXs, ruhXe ); |
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610 | std::swap( ruhYs, ruhYe ); |
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611 | return; |
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612 | } |
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613 | } |
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614 | else |
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615 | { |
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616 | Int iYe = iVirtualEndY - iDeltaEnd; |
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617 | if( iYe < 0 ) |
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618 | { |
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619 | ruhXe = (UChar)max( (iContDMaxPos + iYe), 0 ); |
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620 | ruhYe = 0; |
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621 | |
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622 | std::swap( ruhXs, ruhXe ); |
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623 | std::swap( ruhYs, ruhYe ); |
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624 | return; |
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625 | } |
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626 | else if( iYe > iContDMaxPos ) |
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627 | { |
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628 | ruhXe = (UChar)max( (iContDMaxPos - (iYe - iContDMaxPos)), 0 ); |
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629 | ruhYe = (UChar)iContDMaxPos; |
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630 | |
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631 | return; |
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632 | } |
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633 | else |
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634 | { |
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635 | ruhXe = (UChar)iContDMaxPos; |
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636 | ruhYe = (UChar)iYe; |
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637 | |
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638 | std::swap( ruhXs, ruhXe ); |
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639 | std::swap( ruhYs, ruhYe ); |
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640 | return; |
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641 | } |
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642 | } |
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643 | } |
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644 | |
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645 | Void TComWedgelet::xGenerateWedgePattern() |
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646 | { |
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647 | UInt uiTempBlockSize = 0; |
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648 | UChar uhXs = 0, uhYs = 0, uhXe = 0, uhYe = 0; |
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649 | switch( m_eWedgeRes ) |
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650 | { |
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651 | case( DOUBLE_PEL ): { uiTempBlockSize = m_uiWidth; uhXs = (m_uhXs<<1); uhYs = (m_uhYs<<1); uhXe = (m_uhXe<<1); uhYe = (m_uhYe<<1); } break; |
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652 | case( FULL_PEL ): { uiTempBlockSize = m_uiWidth; uhXs = m_uhXs; uhYs = m_uhYs; uhXe = m_uhXe; uhYe = m_uhYe; } break; |
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653 | case( HALF_PEL ): { uiTempBlockSize = (m_uiWidth<<1); uhXs = m_uhXs; uhYs = m_uhYs; uhXe = m_uhXe; uhYe = m_uhYe; } break; |
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654 | } |
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655 | |
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656 | if( m_eWedgeRes == DOUBLE_PEL) // adjust line-end for DOUBLE_PEL resolution |
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657 | { |
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658 | if( m_uhOri == 1 ) { uhXs = uiTempBlockSize-1; } |
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659 | if( m_uhOri == 2 ) { uhXe = uiTempBlockSize-1; uhYs = uiTempBlockSize-1; } |
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660 | if( m_uhOri == 3 ) { uhYe = uiTempBlockSize-1; } |
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661 | if( m_uhOri == 4 ) { uhYe = uiTempBlockSize-1; } |
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662 | if( m_uhOri == 5 ) { uhXs = uiTempBlockSize-1; } |
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663 | } |
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664 | |
---|
665 | Bool* pbTempPattern = new Bool[ (uiTempBlockSize * uiTempBlockSize) ]; |
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666 | ::memset( pbTempPattern, 0, (uiTempBlockSize * uiTempBlockSize) * sizeof(Bool) ); |
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667 | Int iTempStride = uiTempBlockSize; |
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668 | |
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669 | xDrawEdgeLine( uhXs, uhYs, uhXe, uhYe, pbTempPattern, iTempStride ); |
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670 | |
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671 | switch( m_uhOri ) |
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672 | { |
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673 | 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; |
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674 | 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; |
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675 | 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; |
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676 | 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; |
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677 | case( 4 ): |
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678 | { |
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679 | if( (uhXs+uhXe) < uiTempBlockSize ) { for( UInt iY = 0; iY < uiTempBlockSize; iY++ ) { UInt iX = 0; while( pbTempPattern[(iY * iTempStride) + iX] == false ) { pbTempPattern[(iY * iTempStride) + iX] = true; iX++; } } } |
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680 | else { for( UInt iY = 0; iY < uiTempBlockSize; iY++ ) { UInt iX = uiTempBlockSize-1; while( pbTempPattern[(iY * iTempStride) + iX] == false ) { pbTempPattern[(iY * iTempStride) + iX] = true; iX--; } } } |
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681 | } |
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682 | break; |
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683 | case( 5 ): |
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684 | { |
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685 | if( (uhYs+uhYe) < uiTempBlockSize ) { for( UInt iX = 0; iX < uiTempBlockSize; iX++ ) { UInt iY = 0; while( pbTempPattern[(iY * iTempStride) + iX] == false ) { pbTempPattern[(iY * iTempStride) + iX] = true; iY++; } } } |
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686 | else { for( UInt iX = 0; iX < uiTempBlockSize; iX++ ) { UInt iY = uiTempBlockSize-1; while( pbTempPattern[(iY * iTempStride) + iX] == false ) { pbTempPattern[(iY * iTempStride) + iX] = true; iY--; } } } |
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687 | } |
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688 | } |
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689 | |
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690 | clear(); |
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691 | switch( m_eWedgeRes ) |
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692 | { |
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693 | case( DOUBLE_PEL ): { for( UInt k = 0; k < (m_uiWidth * m_uiHeight); k++ ) { m_pbPattern[k] = pbTempPattern[k]; }; } break; |
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694 | case( FULL_PEL ): { for( UInt k = 0; k < (m_uiWidth * m_uiHeight); k++ ) { m_pbPattern[k] = pbTempPattern[k]; }; } break; |
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695 | case( HALF_PEL ): // sub-sampling by factor 2 |
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696 | { |
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697 | Int iStride = getStride(); |
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698 | |
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699 | UInt uiOffX, uiOffY; |
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700 | switch( m_uhOri ) |
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701 | { |
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702 | case( 0 ): { uiOffX = 0; uiOffY = 0; } break; |
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703 | case( 1 ): { uiOffX = 1; uiOffY = 0; } break; |
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704 | case( 2 ): { uiOffX = 1; uiOffY = 1; } break; |
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705 | case( 3 ): { uiOffX = 0; uiOffY = 1; } break; |
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706 | case( 4 ): |
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707 | { |
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708 | if( (uhXs+uhXe) < uiTempBlockSize ) { uiOffX = 0; uiOffY = 0; } |
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709 | else { uiOffX = 1; uiOffY = 0; } |
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710 | } |
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711 | break; |
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712 | case( 5 ): |
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713 | { |
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714 | if( (uhYs+uhYe) < uiTempBlockSize ) { uiOffX = 0; uiOffY = 0; } |
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715 | else { uiOffX = 0; uiOffY = 1; } |
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716 | } |
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717 | break; |
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718 | default: { uiOffX = 0; uiOffY = 0; } break; |
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719 | } |
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720 | |
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721 | for(Int iY = 0; iY < m_uiHeight; iY++) |
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722 | { |
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723 | for(Int iX = 0; iX < m_uiWidth; iX++) |
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724 | { |
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725 | m_pbPattern[(iY * iStride) + iX] = pbTempPattern[(((iY<<1)+uiOffY) * iTempStride) + ((iX<<1)+uiOffX)]; |
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726 | } |
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727 | } |
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728 | } |
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729 | break; |
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730 | } |
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731 | |
---|
732 | if( pbTempPattern ) |
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733 | { |
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734 | delete [] pbTempPattern; |
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735 | pbTempPattern = NULL; |
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736 | } |
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737 | } |
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738 | |
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739 | Void TComWedgelet::xDrawEdgeLine( UChar uhXs, UChar uhYs, UChar uhXe, UChar uhYe, Bool* pbPattern, Int iPatternStride ) |
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740 | { |
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741 | Int x0 = (Int)uhXs; |
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742 | Int y0 = (Int)uhYs; |
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743 | Int x1 = (Int)uhXe; |
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744 | Int y1 = (Int)uhYe; |
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745 | |
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746 | // direction independent Bresenham line |
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747 | bool steep = (abs(y1 - y0) > abs(x1 - x0)); |
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748 | if( steep ) |
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749 | { |
---|
750 | std::swap( x0, y0 ); |
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751 | std::swap( x1, y1 ); |
---|
752 | } |
---|
753 | |
---|
754 | bool backward = ( x0 > x1 ); |
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755 | if( backward ) |
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756 | { |
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757 | std::swap( x0, x1 ); |
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758 | std::swap( y0, y1 ); |
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759 | } |
---|
760 | |
---|
761 | Int deltax = x1 - x0; |
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762 | Int deltay = abs(y1 - y0); |
---|
763 | Int error = 0; |
---|
764 | Int deltaerr = (deltay<<1); |
---|
765 | |
---|
766 | Int ystep; |
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767 | Int y = y0; |
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768 | if( y0 < y1 ) ystep = 1; |
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769 | else ystep = -1; |
---|
770 | |
---|
771 | for( Int x = x0; x <= x1; x++ ) |
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772 | { |
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773 | if( steep ) { pbPattern[(x * iPatternStride) + y] = true; } |
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774 | else { pbPattern[(y * iPatternStride) + x] = true; } |
---|
775 | |
---|
776 | error += deltaerr; |
---|
777 | if( error >= deltax ) |
---|
778 | { |
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779 | y += ystep; |
---|
780 | error = error - (deltax<<1); |
---|
781 | } |
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782 | } |
---|
783 | } |
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784 | |
---|
785 | TComWedgeNode::TComWedgeNode() |
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786 | { |
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787 | m_uiPatternIdx = DMM_NO_WEDGEINDEX; |
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788 | for( UInt uiPos = 0; uiPos < DMM_NUM_WEDGE_REFINES; uiPos++ ) |
---|
789 | { |
---|
790 | m_uiRefineIdx[uiPos] = DMM_NO_WEDGEINDEX; |
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791 | } |
---|
792 | } |
---|
793 | |
---|
794 | UInt TComWedgeNode::getPatternIdx() |
---|
795 | { |
---|
796 | return m_uiPatternIdx; |
---|
797 | } |
---|
798 | UInt TComWedgeNode::getRefineIdx( UInt uiPos ) |
---|
799 | { |
---|
800 | assert( uiPos < DMM_NUM_WEDGE_REFINES ); |
---|
801 | return m_uiRefineIdx[uiPos]; |
---|
802 | } |
---|
803 | Void TComWedgeNode::setPatternIdx( UInt uiIdx ) |
---|
804 | { |
---|
805 | m_uiPatternIdx = uiIdx; |
---|
806 | } |
---|
807 | Void TComWedgeNode::setRefineIdx( UInt uiIdx, UInt uiPos ) |
---|
808 | { |
---|
809 | assert( uiPos < DMM_NUM_WEDGE_REFINES ); |
---|
810 | m_uiRefineIdx[uiPos] = uiIdx; |
---|
811 | } |
---|
812 | #endif //H_3D_DIM_DMM |
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