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) 2010-2015, ITU/ISO/IEC |
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7 | * All rights reserved. |
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8 | * |
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9 | * Redistribution and use in source and binary forms, with or without |
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10 | * modification, are permitted provided that the following conditions are met: |
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11 | * |
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12 | * * Redistributions of source code must retain the above copyright notice, |
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13 | * this list of conditions and the following disclaimer. |
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14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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15 | * this list of conditions and the following disclaimer in the documentation |
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16 | * and/or other materials provided with the distribution. |
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17 | * * Neither the name of the 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 NH_3D_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_uiWidth ( rcWedge.m_uiWidth ), |
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67 | m_uiHeight ( rcWedge.m_uiHeight ), |
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68 | m_pbPattern( (Bool*)xMalloc( Bool, (m_uiWidth * m_uiHeight) ) ), |
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69 | m_pbScaledPattern( g_wedgePattern ) |
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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 | m_pbScaledPattern = g_wedgePattern; |
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88 | } |
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89 | |
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90 | Void TComWedgelet::destroy() |
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91 | { |
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92 | if( m_pbPattern ) { xFree( m_pbPattern ); m_pbPattern = NULL; } |
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93 | } |
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94 | |
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95 | Void TComWedgelet::clear() |
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96 | { |
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97 | ::memset( m_pbPattern, 0, (m_uiWidth * m_uiHeight) * sizeof(Bool) ); |
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98 | } |
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99 | |
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100 | Void TComWedgelet::setWedgelet( UChar uhXs, UChar uhYs, UChar uhXe, UChar uhYe, UChar uhOri, WedgeResolution eWedgeRes, Bool bIsCoarse ) |
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101 | { |
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102 | m_uhXs = uhXs; |
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103 | m_uhYs = uhYs; |
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104 | m_uhXe = uhXe; |
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105 | m_uhYe = uhYe; |
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106 | m_uhOri = uhOri; |
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107 | m_eWedgeRes = eWedgeRes; |
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108 | m_bIsCoarse = bIsCoarse; |
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109 | |
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110 | xGenerateWedgePattern(); |
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111 | } |
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112 | |
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113 | Bool TComWedgelet::checkNotPlain() |
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114 | { |
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115 | for( UInt k = 1; k < (m_uiWidth * m_uiHeight); k++ ) |
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116 | { |
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117 | if( m_pbPattern[0] != m_pbPattern[k] ) |
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118 | { |
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119 | return true; |
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120 | } |
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121 | } |
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122 | return false; |
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123 | } |
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124 | |
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125 | Bool TComWedgelet::checkIdentical( Bool* pbRefPattern ) |
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126 | { |
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127 | for( UInt k = 0; k < (m_uiWidth * m_uiHeight); k++ ) |
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128 | { |
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129 | if( m_pbPattern[k] != pbRefPattern[k] ) |
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130 | { |
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131 | return false; |
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132 | } |
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133 | } |
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134 | return true; |
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135 | } |
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136 | |
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137 | Bool TComWedgelet::checkInvIdentical( Bool* pbRefPattern ) |
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138 | { |
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139 | for( UInt k = 0; k < (m_uiWidth * m_uiHeight); k++ ) |
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140 | { |
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141 | if( m_pbPattern[k] == pbRefPattern[k] ) |
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142 | { |
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143 | return false; |
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144 | } |
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145 | } |
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146 | return true; |
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147 | } |
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148 | |
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149 | Void TComWedgelet::generateWedgePatternByRotate(const TComWedgelet &rcWedge, Int rotate) |
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150 | { |
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151 | Int stride = m_uiWidth; |
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152 | Int sinc, offsetI, offsetJ; |
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153 | |
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154 | sinc = 1; |
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155 | offsetI = ( sinc) < 0 ? stride-1 : 0; // 0 |
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156 | offsetJ = (-sinc) < 0 ? stride-1 : 0; // stride - 1 |
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157 | |
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158 | for (Int y = 0; y < stride; y++) |
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159 | { |
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160 | for (Int x = 0; x < stride; x++) |
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161 | { |
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162 | Int i = offsetI + sinc * y; // y |
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163 | Int j = offsetJ - sinc * x; // stride - 1 - x |
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164 | m_pbPattern[(y * stride) + x] = !rcWedge.m_pbPattern[(j * stride) + i]; |
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165 | } |
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166 | } |
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167 | Int blocksize = rcWedge.m_uiWidth * (rcWedge.m_eWedgeRes == HALF_PEL ? 2 : 1); |
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168 | Int offsetX = (-sinc) < 0 ? blocksize - 1 : 0; |
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169 | Int offsetY = ( sinc) < 0 ? blocksize - 1 : 0; |
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170 | m_uhXs = offsetX - sinc * rcWedge.m_uhYs; |
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171 | m_uhYs = offsetY + sinc * rcWedge.m_uhXs; |
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172 | m_uhXe = offsetX - sinc * rcWedge.m_uhYe; |
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173 | m_uhYe = offsetY + sinc * rcWedge.m_uhXe; |
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174 | m_uhOri = rotate; |
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175 | m_eWedgeRes = rcWedge.m_eWedgeRes; |
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176 | m_bIsCoarse = rcWedge.m_bIsCoarse; |
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177 | m_uiWidth = rcWedge.m_uiWidth; |
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178 | m_uiHeight = rcWedge.m_uiHeight; |
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179 | } |
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180 | |
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181 | Void TComWedgelet::xGenerateWedgePattern() |
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182 | { |
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183 | UInt uiTempBlockSize = 0; |
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184 | UChar uhXs = 0, uhYs = 0, uhXe = 0, uhYe = 0; |
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185 | switch( m_eWedgeRes ) |
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186 | { |
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187 | case( FULL_PEL ): { uiTempBlockSize = m_uiWidth; uhXs = m_uhXs; uhYs = m_uhYs; uhXe = m_uhXe; uhYe = m_uhYe; } break; |
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188 | case( HALF_PEL ): { uiTempBlockSize = (m_uiWidth<<1); uhXs = m_uhXs; uhYs = m_uhYs; uhXe = m_uhXe; uhYe = m_uhYe; } break; |
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189 | } |
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190 | |
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191 | Bool* pbTempPattern = new Bool[ (uiTempBlockSize * uiTempBlockSize) ]; |
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192 | ::memset( pbTempPattern, 0, (uiTempBlockSize * uiTempBlockSize) * sizeof(Bool) ); |
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193 | Int iTempStride = uiTempBlockSize; |
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194 | |
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195 | xDrawEdgeLine( uhXs, uhYs, uhXe, uhYe, pbTempPattern, iTempStride ); |
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196 | |
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197 | Int shift = (m_eWedgeRes == HALF_PEL) ? 1 : 0; |
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198 | Int endPos = uhYe>>shift; |
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199 | for (Int y = 0; y <= endPos; y++) |
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200 | { |
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201 | for (Int x = 0; x < m_uiWidth && pbTempPattern[(y * m_uiWidth) + x] == 0; x++) |
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202 | { |
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203 | pbTempPattern[(y * m_uiWidth) + x] = true; |
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204 | } |
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205 | } |
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206 | for( UInt k = 0; k < (m_uiWidth * m_uiHeight); k++ ) |
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207 | { |
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208 | m_pbPattern[k] = pbTempPattern[k]; |
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209 | }; |
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210 | |
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211 | if( pbTempPattern ) |
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212 | { |
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213 | delete [] pbTempPattern; |
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214 | pbTempPattern = NULL; |
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215 | } |
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216 | } |
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217 | |
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218 | Void TComWedgelet::xDrawEdgeLine( UChar uhXs, UChar uhYs, UChar uhXe, UChar uhYe, Bool* pbPattern, Int iPatternStride ) |
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219 | { |
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220 | Int x0 = (Int)uhXs; |
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221 | Int y0 = (Int)uhYs; |
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222 | Int x1 = (Int)uhXe; |
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223 | Int y1 = (Int)uhYe; |
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224 | |
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225 | // direction independent Bresenham line |
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226 | bool steep = (abs(y1 - y0) > abs(x1 - x0)); |
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227 | if( steep ) |
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228 | { |
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229 | std::swap( x0, y0 ); |
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230 | std::swap( x1, y1 ); |
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231 | } |
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232 | |
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233 | bool backward = ( x0 > x1 ); |
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234 | if( backward ) |
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235 | { |
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236 | std::swap( x0, x1 ); |
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237 | std::swap( y0, y1 ); |
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238 | } |
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239 | |
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240 | Int deltax = x1 - x0; |
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241 | Int deltay = abs(y1 - y0); |
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242 | Int error = 0; |
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243 | Int deltaerr = (deltay<<1); |
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244 | |
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245 | Int ystep; |
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246 | Int y = y0; |
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247 | if( y0 < y1 ) ystep = 1; |
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248 | else ystep = -1; |
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249 | |
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250 | for( Int x = x0; x <= x1; x++ ) |
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251 | { |
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252 | Int shift = (m_eWedgeRes == HALF_PEL) ? 1 : 0; |
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253 | Int stride = iPatternStride >> shift; |
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254 | if( steep ) { pbPattern[((x>>shift) * stride) + (y>>shift)] = true; } |
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255 | else { pbPattern[((y>>shift) * stride) + (x>>shift)] = true; } |
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256 | |
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257 | error += deltaerr; |
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258 | if( error >= deltax ) |
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259 | { |
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260 | y += ystep; |
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261 | error = error - (deltax<<1); |
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262 | } |
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263 | } |
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264 | } |
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265 | |
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266 | Bool* TComWedgelet::getPatternScaled( UInt dstSize ) |
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267 | { |
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268 | Bool *pbSrcPat = this->getPattern(); |
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269 | UInt uiSrcSize = this->getStride(); |
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270 | |
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271 | if( 16 >= dstSize ) |
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272 | { |
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273 | assert( dstSize == uiSrcSize ); |
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274 | return pbSrcPat; |
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275 | } |
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276 | else |
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277 | { |
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278 | Int scale = (g_aucConvertToBit[dstSize] - g_aucConvertToBit[uiSrcSize]); |
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279 | assert(scale>=0); |
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280 | for (Int y=0; y<dstSize; y++) |
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281 | { |
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282 | for (Int x=0; x<dstSize; x++) |
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283 | { |
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284 | Int srcX = x>>scale; |
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285 | Int srcY = y>>scale; |
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286 | m_pbScaledPattern[y*dstSize + x] = pbSrcPat[ srcY*uiSrcSize + srcX ]; |
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287 | } |
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288 | } |
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289 | return m_pbScaledPattern; |
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290 | } |
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291 | } |
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292 | |
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293 | Void TComWedgelet::getPatternScaledCopy( UInt dstSize, Bool* dstBuf ) |
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294 | { |
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295 | Bool *pbSrcPat = this->getPattern(); |
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296 | UInt uiSrcSize = this->getStride(); |
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297 | |
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298 | if( 16 >= dstSize ) |
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299 | { |
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300 | assert( dstSize == uiSrcSize ); |
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301 | memcpy( dstBuf, pbSrcPat, (dstSize*dstSize) ); |
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302 | } |
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303 | else |
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304 | { |
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305 | Int scale = (g_aucConvertToBit[dstSize] - g_aucConvertToBit[uiSrcSize]); |
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306 | assert(scale>=0); |
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307 | for (Int y=0; y<dstSize; y++) |
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308 | { |
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309 | for (Int x=0; x<dstSize; x++) |
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310 | { |
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311 | Int srcX = x>>scale; |
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312 | Int srcY = y>>scale; |
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313 | dstBuf[y*dstSize + x] = pbSrcPat[ srcY*uiSrcSize + srcX ]; |
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314 | } |
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315 | } |
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316 | } |
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317 | } |
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318 | |
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319 | |
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320 | TComWedgeNode::TComWedgeNode() |
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321 | { |
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322 | m_uiPatternIdx = DMM_NO_WEDGE_IDX; |
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323 | for( UInt uiPos = 0; uiPos < DMM_NUM_WEDGE_REFINES; uiPos++ ) |
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324 | { |
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325 | m_uiRefineIdx[uiPos] = DMM_NO_WEDGE_IDX; |
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326 | } |
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327 | } |
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328 | |
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329 | UInt TComWedgeNode::getPatternIdx() |
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330 | { |
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331 | return m_uiPatternIdx; |
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332 | } |
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333 | UInt TComWedgeNode::getRefineIdx( UInt uiPos ) |
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334 | { |
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335 | assert( uiPos < DMM_NUM_WEDGE_REFINES ); |
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336 | return m_uiRefineIdx[uiPos]; |
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337 | } |
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338 | Void TComWedgeNode::setPatternIdx( UInt uiIdx ) |
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339 | { |
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340 | m_uiPatternIdx = uiIdx; |
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341 | } |
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342 | Void TComWedgeNode::setRefineIdx( UInt uiIdx, UInt uiPos ) |
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343 | { |
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344 | assert( uiPos < DMM_NUM_WEDGE_REFINES ); |
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345 | m_uiRefineIdx[uiPos] = uiIdx; |
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346 | } |
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347 | #endif //NH_3D_DMM |
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