1 | /* The copyright in this software is being made available under the BSD |
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2 | * License, included below. This software may be subject to other third party |
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3 | * and contributor rights, including patent rights, and no such rights are |
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4 | * granted under this license. |
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5 | * |
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6 | * Copyright (c) 2010-2011, ISO/IEC |
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7 | * All rights reserved. |
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8 | * |
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9 | * Redistribution and use in source and binary forms, with or without |
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10 | * modification, are permitted provided that the following conditions are met: |
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11 | * |
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12 | * * Redistributions of source code must retain the above copyright notice, |
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13 | * this list of conditions and the following disclaimer. |
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14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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15 | * this list of conditions and the following disclaimer in the documentation |
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16 | * and/or other materials provided with the distribution. |
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17 | * * Neither the name of the ISO/IEC nor the names of its contributors may |
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18 | * be used to endorse or promote products derived from this software without |
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19 | * specific prior written permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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32 | */ |
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33 | |
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34 | |
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35 | |
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36 | /** \file TComWeightPrediction.h |
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37 | \brief weighting prediction class (header) |
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38 | */ |
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39 | |
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40 | // Include files |
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41 | #include "TComSlice.h" |
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42 | #include "TComWeightPrediction.h" |
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43 | |
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44 | #ifdef WEIGHT_PRED |
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45 | |
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46 | // ==================================================================================================================== |
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47 | // Class definition |
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48 | // ==================================================================================================================== |
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49 | TComWeightPrediction::TComWeightPrediction() |
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50 | { |
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51 | } |
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52 | |
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53 | Void TComWeightPrediction::addWeightBi( TComYuv* pcYuvSrc0, TComYuv* pcYuvSrc1, UInt iPartUnitIdx, UInt iWidth, UInt iHeight, wpScalingParam *wp0, wpScalingParam *wp1, TComYuv* rpcYuvDst, Bool bRound ) |
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54 | { |
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55 | Int x, y; |
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56 | |
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57 | Pel* pSrcY0 = pcYuvSrc0->getLumaAddr( iPartUnitIdx ); |
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58 | Pel* pSrcU0 = pcYuvSrc0->getCbAddr ( iPartUnitIdx ); |
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59 | Pel* pSrcV0 = pcYuvSrc0->getCrAddr ( iPartUnitIdx ); |
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60 | |
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61 | Pel* pSrcY1 = pcYuvSrc1->getLumaAddr( iPartUnitIdx ); |
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62 | Pel* pSrcU1 = pcYuvSrc1->getCbAddr ( iPartUnitIdx ); |
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63 | Pel* pSrcV1 = pcYuvSrc1->getCrAddr ( iPartUnitIdx ); |
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64 | |
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65 | Pel* pDstY = rpcYuvDst->getLumaAddr( iPartUnitIdx ); |
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66 | Pel* pDstU = rpcYuvDst->getCbAddr ( iPartUnitIdx ); |
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67 | Pel* pDstV = rpcYuvDst->getCrAddr ( iPartUnitIdx ); |
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68 | |
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69 | // Luma : -------------------------------------------- |
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70 | Int w0 = wp0[0].w; |
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71 | Int o0 = wp0[0].o; |
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72 | Int offset = wp0[0].offset; |
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73 | Int shiftNum = 14 - (g_uiBitDepth + g_uiBitIncrement); |
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74 | Int shift = wp0[0].shift + shiftNum; |
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75 | Int round = (1<<(shift-1)) * bRound; |
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76 | Int w1 = wp1[0].w; |
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77 | Int o1 = wp1[0].o; |
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78 | |
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79 | UInt iSrc0Stride = pcYuvSrc0->getStride(); |
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80 | UInt iSrc1Stride = pcYuvSrc1->getStride(); |
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81 | UInt iDstStride = rpcYuvDst->getStride(); |
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82 | |
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83 | for ( y = iHeight-1; y >= 0; y-- ) |
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84 | { |
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85 | for ( x = iWidth-1; x >= 0; ) |
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86 | { |
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87 | // note: luma min width is 4 |
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88 | pDstY[x] = weightBidir(w0,pSrcY0[x], w1,pSrcY1[x], round, shift, offset); x--; |
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89 | pDstY[x] = weightBidir(w0,pSrcY0[x], w1,pSrcY1[x], round, shift, offset); x--; |
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90 | pDstY[x] = weightBidir(w0,pSrcY0[x], w1,pSrcY1[x], round, shift, offset); x--; |
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91 | pDstY[x] = weightBidir(w0,pSrcY0[x], w1,pSrcY1[x], round, shift, offset); x--; |
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92 | } |
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93 | pSrcY0 += iSrc0Stride; |
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94 | pSrcY1 += iSrc1Stride; |
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95 | pDstY += iDstStride; |
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96 | } |
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97 | |
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98 | // Chroma U : -------------------------------------------- |
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99 | w0 = wp0[1].w; |
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100 | o0 = wp0[1].o; |
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101 | offset = wp0[1].offset; |
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102 | shift = wp0[1].shift + shiftNum; |
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103 | round = (1<<(shift-1)); |
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104 | w1 = wp1[1].w; |
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105 | o1 = wp1[1].o; |
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106 | |
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107 | iSrc0Stride = pcYuvSrc0->getCStride(); |
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108 | iSrc1Stride = pcYuvSrc1->getCStride(); |
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109 | iDstStride = rpcYuvDst->getCStride(); |
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110 | |
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111 | iWidth >>=1; |
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112 | iHeight >>=1; |
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113 | |
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114 | for ( y = iHeight-1; y >= 0; y-- ) |
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115 | { |
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116 | for ( x = iWidth-1; x >= 0; ) |
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117 | { |
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118 | // note: chroma min width is 2 |
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119 | pDstU[x] = weightBidir(w0,pSrcU0[x], w1,pSrcU1[x], round, shift, offset); x--; |
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120 | pDstU[x] = weightBidir(w0,pSrcU0[x], w1,pSrcU1[x], round, shift, offset); x--; |
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121 | } |
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122 | pSrcU0 += iSrc0Stride; |
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123 | pSrcU1 += iSrc1Stride; |
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124 | pDstU += iDstStride; |
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125 | } |
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126 | |
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127 | // Chroma V : -------------------------------------------- |
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128 | w0 = wp0[2].w; |
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129 | o0 = wp0[2].o; |
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130 | offset = wp0[2].offset; |
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131 | shift = wp0[2].shift + shiftNum; |
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132 | round = (1<<(shift-1)); |
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133 | w1 = wp1[2].w; |
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134 | o1 = wp1[2].o; |
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135 | |
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136 | for ( y = iHeight-1; y >= 0; y-- ) |
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137 | { |
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138 | for ( x = iWidth-1; x >= 0; ) |
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139 | { |
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140 | // note: chroma min width is 2 |
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141 | pDstV[x] = weightBidir(w0,pSrcV0[x], w1,pSrcV1[x], round, shift, offset); x--; |
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142 | pDstV[x] = weightBidir(w0,pSrcV0[x], w1,pSrcV1[x], round, shift, offset); x--; |
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143 | } |
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144 | pSrcV0 += iSrc0Stride; |
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145 | pSrcV1 += iSrc1Stride; |
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146 | pDstV += iDstStride; |
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147 | } |
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148 | } |
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149 | |
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150 | Void TComWeightPrediction::addWeightUni( TComYuv* pcYuvSrc0, UInt iPartUnitIdx, UInt iWidth, UInt iHeight, wpScalingParam *wp0, TComYuv* rpcYuvDst ) |
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151 | { |
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152 | Int x, y; |
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153 | |
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154 | Pel* pSrcY0 = pcYuvSrc0->getLumaAddr( iPartUnitIdx ); |
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155 | Pel* pSrcU0 = pcYuvSrc0->getCbAddr ( iPartUnitIdx ); |
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156 | Pel* pSrcV0 = pcYuvSrc0->getCrAddr ( iPartUnitIdx ); |
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157 | |
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158 | Pel* pDstY = rpcYuvDst->getLumaAddr( iPartUnitIdx ); |
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159 | Pel* pDstU = rpcYuvDst->getCbAddr ( iPartUnitIdx ); |
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160 | Pel* pDstV = rpcYuvDst->getCrAddr ( iPartUnitIdx ); |
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161 | |
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162 | // Luma : -------------------------------------------- |
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163 | Int w0 = wp0[0].w; |
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164 | Int offset = wp0[0].offset; |
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165 | Int shift = wp0[0].shift; |
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166 | Int round = wp0[0].round; |
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167 | |
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168 | UInt iSrc0Stride = pcYuvSrc0->getStride(); |
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169 | UInt iDstStride = rpcYuvDst->getStride(); |
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170 | |
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171 | for ( y = iHeight-1; y >= 0; y-- ) |
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172 | { |
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173 | for ( x = iWidth-1; x >= 0; ) |
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174 | { |
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175 | // note: luma min width is 4 |
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176 | pDstY[x] = weightUnidir(w0,pSrcY0[x], round, shift, offset); x--; |
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177 | pDstY[x] = weightUnidir(w0,pSrcY0[x], round, shift, offset); x--; |
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178 | pDstY[x] = weightUnidir(w0,pSrcY0[x], round, shift, offset); x--; |
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179 | pDstY[x] = weightUnidir(w0,pSrcY0[x], round, shift, offset); x--; |
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180 | } |
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181 | pSrcY0 += iSrc0Stride; |
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182 | pDstY += iDstStride; |
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183 | } |
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184 | |
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185 | // Chroma U : -------------------------------------------- |
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186 | w0 = wp0[1].w; |
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187 | offset = wp0[1].offset; |
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188 | shift = wp0[1].shift; |
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189 | round = wp0[1].round; |
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190 | |
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191 | iSrc0Stride = pcYuvSrc0->getCStride(); |
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192 | iDstStride = rpcYuvDst->getCStride(); |
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193 | |
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194 | iWidth >>=1; |
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195 | iHeight >>=1; |
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196 | |
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197 | for ( y = iHeight-1; y >= 0; y-- ) |
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198 | { |
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199 | for ( x = iWidth-1; x >= 0; ) |
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200 | { |
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201 | // note: chroma min width is 2 |
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202 | pDstU[x] = weightUnidir(w0,pSrcU0[x], round, shift, offset); x--; |
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203 | pDstU[x] = weightUnidir(w0,pSrcU0[x], round, shift, offset); x--; |
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204 | } |
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205 | pSrcU0 += iSrc0Stride; |
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206 | pDstU += iDstStride; |
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207 | } |
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208 | |
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209 | // Chroma V : -------------------------------------------- |
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210 | w0 = wp0[2].w; |
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211 | offset = wp0[2].offset; |
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212 | shift = wp0[2].shift; |
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213 | round = wp0[2].round; |
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214 | |
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215 | for ( y = iHeight-1; y >= 0; y-- ) |
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216 | { |
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217 | for ( x = iWidth-1; x >= 0; ) |
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218 | { |
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219 | // note: chroma min width is 2 |
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220 | pDstV[x] = weightUnidir(w0,pSrcV0[x], round, shift, offset); x--; |
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221 | pDstV[x] = weightUnidir(w0,pSrcV0[x], round, shift, offset); x--; |
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222 | } |
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223 | pSrcV0 += iSrc0Stride; |
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224 | pDstV += iDstStride; |
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225 | } |
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226 | } |
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227 | |
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228 | //======================================================= |
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229 | // getWpScaling() |
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230 | // When called before SAD computation, ibdi is (g_uiBitDepth+g_uiBitIncrement), |
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231 | // when called before motion compensation (weighted prediction computation), ibdi is 14 (#if HIGH_ACCURACY_BI in bi-dir only). |
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232 | //======================================================= |
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233 | Void TComWeightPrediction::getWpScaling( TComDataCU* pcCU, Int iRefIdx0, Int iRefIdx1, wpScalingParam *&wp0 , wpScalingParam *&wp1 , Int ibdi) |
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234 | { |
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235 | TComSlice* pcSlice = pcCU->getSlice(); |
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236 | TComPPS* pps = pcCU->getSlice()->getPPS(); |
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237 | UInt uiWPBiPredIdc = pps->getWPBiPredIdc(); |
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238 | wpScalingParam* pwp; |
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239 | Bool bBiDir = (iRefIdx0>=0 && iRefIdx1>=0); |
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240 | Bool bUniDir = !bBiDir; |
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241 | |
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242 | m_ibdi = ibdi; |
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243 | |
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244 | if ( bUniDir || (uiWPBiPredIdc==1) ) |
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245 | { // explicit -------------------- |
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246 | if ( iRefIdx0 >= 0 ) |
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247 | { |
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248 | pcSlice->getWpScaling(REF_PIC_LIST_0, iRefIdx0, wp0); |
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249 | } |
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250 | if ( iRefIdx1 >= 0 ) |
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251 | { |
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252 | pcSlice->getWpScaling(REF_PIC_LIST_1, iRefIdx1, wp1); |
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253 | } |
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254 | } |
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255 | else if ( uiWPBiPredIdc == 2 ) |
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256 | { // implicit -------------------- |
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257 | Int poc0 = pcSlice->getRefPOC(REF_PIC_LIST_0, iRefIdx0); |
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258 | Int poc1 = pcSlice->getRefPOC(REF_PIC_LIST_1, iRefIdx1); |
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259 | Int pocCur = pcSlice->getPOC(); |
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260 | Int td = Clip3(-128,127,poc1 - poc0); |
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261 | Int tb = Clip3(-128,127,pocCur - poc0); |
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262 | Int tx = ( td != 0 ) ? ( ( 16384 + abs( td / 2 ) ) / td ) : (0); |
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263 | Int DistScaleFactor = Clip3( -1024, 1023, ( tb * tx + 32 ) >> 6 ); |
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264 | |
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265 | Bool implicitScale=true; |
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266 | if ( poc1==poc0 || (DistScaleFactor>>2)<(-64) || (DistScaleFactor>>2)>128 ) |
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267 | { |
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268 | implicitScale = false; |
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269 | } |
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270 | |
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271 | for ( int e=0 ; e<2 ; e++ ) |
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272 | { |
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273 | pwp = (e==0) ? m_wp0 : m_wp1; |
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274 | for ( int k=0 ; k<3 ; k++ ) // 3 components: Y,U,V |
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275 | { |
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276 | pwp->uiLog2WeightDenom = 5; pwp->iOffset = 0; pwp->bPresentFlag = true; |
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277 | if ( implicitScale ) |
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278 | { |
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279 | pwp->iWeight = (e==0) ? (64 - (DistScaleFactor >> 2)) : (DistScaleFactor >> 2); |
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280 | } |
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281 | else |
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282 | { |
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283 | pwp->iWeight = 32; |
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284 | } |
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285 | pwp++; |
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286 | } |
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287 | |
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288 | } |
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289 | |
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290 | wp0 = m_wp0; |
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291 | wp1 = m_wp1; |
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292 | } |
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293 | else |
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294 | { |
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295 | assert(0); |
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296 | } |
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297 | |
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298 | if ( iRefIdx0 < 0 ) |
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299 | { |
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300 | wp0 = NULL; |
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301 | } |
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302 | if ( iRefIdx1 < 0 ) |
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303 | { |
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304 | wp1 = NULL; |
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305 | } |
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306 | |
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307 | if ( bBiDir ) |
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308 | { // Bi-Dir case |
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309 | for ( int yuv=0 ; yuv<3 ; yuv++ ) |
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310 | { |
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311 | wp0[yuv].w = wp0[yuv].iWeight; |
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312 | wp0[yuv].o = wp0[yuv].iOffset * (1 << (m_ibdi-8)); |
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313 | wp1[yuv].w = wp1[yuv].iWeight; |
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314 | wp1[yuv].o = wp1[yuv].iOffset * (1 << (m_ibdi-8)); |
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315 | wp0[yuv].offset = ( ( wp0[yuv].o + wp1[yuv].o + 1 ) >> 1 ); |
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316 | wp0[yuv].shift = wp0[yuv].uiLog2WeightDenom + 1; |
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317 | wp0[yuv].round = (1 << wp0[yuv].uiLog2WeightDenom); |
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318 | wp1[yuv].offset = wp0[yuv].offset; |
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319 | wp1[yuv].shift = wp0[yuv].shift; |
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320 | wp1[yuv].round = wp0[yuv].round; |
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321 | } |
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322 | } |
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323 | else |
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324 | { // Unidir |
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325 | pwp = (iRefIdx0>=0) ? wp0 : wp1 ; |
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326 | if ( uiWPBiPredIdc == 2 ) |
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327 | { |
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328 | for ( int yuv=0 ; yuv<3 ; yuv++ ) |
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329 | { |
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330 | pwp[yuv].w = 1; |
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331 | pwp[yuv].offset = 0; |
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332 | pwp[yuv].shift = 0; |
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333 | pwp[yuv].round = 0; |
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334 | } |
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335 | } |
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336 | else { |
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337 | for ( int yuv=0 ; yuv<3 ; yuv++ ) |
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338 | { |
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339 | pwp[yuv].w = pwp[yuv].iWeight; |
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340 | pwp[yuv].offset = pwp[yuv].iOffset * (1 << (m_ibdi-8)); |
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341 | pwp[yuv].shift = pwp[yuv].uiLog2WeightDenom; |
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342 | pwp[yuv].round = (pwp[yuv].uiLog2WeightDenom>=1) ? (1 << (pwp[yuv].uiLog2WeightDenom-1)) : (0); |
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343 | } |
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344 | } |
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345 | } |
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346 | } |
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347 | |
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348 | Void TComWeightPrediction::xWeightedPredictionUni( TComDataCU* pcCU, TComYuv* pcYuvSrc, UInt uiPartAddr, Int iWidth, Int iHeight, RefPicList eRefPicList, TComYuv*& rpcYuvPred, Int iPartIdx ) |
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349 | { |
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350 | wpScalingParam *pwp, *pwpTmp; |
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351 | Int iRefIdx = pcCU->getCUMvField( eRefPicList )->getRefIdx( uiPartAddr ); assert (iRefIdx >= 0); |
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352 | Int ibdi = (g_uiBitDepth+g_uiBitIncrement); |
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353 | |
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354 | if ( eRefPicList == REF_PIC_LIST_0 ) |
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355 | { |
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356 | getWpScaling(pcCU, iRefIdx, -1, pwp, pwpTmp, ibdi); |
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357 | } |
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358 | else |
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359 | { |
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360 | getWpScaling(pcCU, -1, iRefIdx, pwpTmp, pwp, ibdi); |
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361 | } |
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362 | addWeightUni( pcYuvSrc, uiPartAddr, iWidth, iHeight, pwp, rpcYuvPred ); |
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363 | } |
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364 | |
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365 | Void TComWeightPrediction::xWeightedPredictionBi( TComDataCU* pcCU, TComYuv* pcYuvSrc0, TComYuv* pcYuvSrc1, Int iRefIdx0, Int iRefIdx1, UInt uiPartIdx, Int iWidth, Int iHeight, TComYuv* rpcYuvDst ) |
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366 | { |
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367 | wpScalingParam *pwp0, *pwp1; |
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368 | TComPPS *pps = pcCU->getSlice()->getPPS(); |
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369 | |
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370 | if ( !pps->getUseWP() ) { |
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371 | printf("TComWeightPrediction::xWeightedPredictionBi():\tassert failed: useWP is false.\n"); |
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372 | exit(0); |
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373 | } |
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374 | |
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375 | Int ibdi = (g_uiBitDepth+g_uiBitIncrement); |
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376 | getWpScaling(pcCU, iRefIdx0, iRefIdx1, pwp0, pwp1, ibdi); |
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377 | |
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378 | if( iRefIdx0 >= 0 && iRefIdx1 >= 0 ) |
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379 | { |
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380 | addWeightBi(pcYuvSrc0, pcYuvSrc1, uiPartIdx, iWidth, iHeight, pwp0, pwp1, rpcYuvDst ); |
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381 | } |
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382 | else if ( iRefIdx0 >= 0 && iRefIdx1 < 0 ) |
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383 | { |
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384 | addWeightUni( pcYuvSrc0, uiPartIdx, iWidth, iHeight, pwp0, rpcYuvDst ); |
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385 | } |
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386 | else if ( iRefIdx0 < 0 && iRefIdx1 >= 0 ) |
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387 | { |
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388 | addWeightUni( pcYuvSrc1, uiPartIdx, iWidth, iHeight, pwp1, rpcYuvDst ); |
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389 | } |
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390 | else |
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391 | assert (0); |
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392 | |
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393 | } |
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394 | |
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395 | #if POZNAN_DBMP |
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396 | |
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397 | Void TComWeightPrediction::addWeightBi_DBMP( TComYuv* pcYuvSrc0, TComYuv* pcYuvSrc1, UInt iPartUnitIdx, UInt iPosX, Int iPosY, wpScalingParam *wp0, wpScalingParam *wp1, TComYuv* rpcYuvDst, Bool bRound ) |
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398 | { |
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399 | Pel* pSrcY0 = pcYuvSrc0->getLumaAddr( iPartUnitIdx ); |
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400 | Pel* pSrcU0 = pcYuvSrc0->getCbAddr ( iPartUnitIdx ); |
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401 | Pel* pSrcV0 = pcYuvSrc0->getCrAddr ( iPartUnitIdx ); |
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402 | |
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403 | Pel* pSrcY1 = pcYuvSrc1->getLumaAddr( iPartUnitIdx ); |
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404 | Pel* pSrcU1 = pcYuvSrc1->getCbAddr ( iPartUnitIdx ); |
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405 | Pel* pSrcV1 = pcYuvSrc1->getCrAddr ( iPartUnitIdx ); |
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406 | |
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407 | Pel* pDstY = rpcYuvDst->getLumaAddr( iPartUnitIdx ); |
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408 | Pel* pDstU = rpcYuvDst->getCbAddr ( iPartUnitIdx ); |
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409 | Pel* pDstV = rpcYuvDst->getCrAddr ( iPartUnitIdx ); |
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410 | |
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411 | // Luma : -------------------------------------------- |
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412 | Int w0 = wp0[0].w; |
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413 | Int o0 = wp0[0].o; |
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414 | Int offset = wp0[0].offset; |
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415 | Int shiftNum = 14 - (g_uiBitDepth + g_uiBitIncrement); |
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416 | Int shift = wp0[0].shift + shiftNum; |
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417 | Int round = (1<<(shift-1)) * bRound; |
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418 | Int w1 = wp1[0].w; |
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419 | Int o1 = wp1[0].o; |
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420 | |
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421 | UInt iSrc0Stride = pcYuvSrc0->getStride(); |
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422 | UInt iSrc1Stride = pcYuvSrc1->getStride(); |
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423 | UInt iDstStride = rpcYuvDst->getStride(); |
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424 | |
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425 | pDstY[iPosY*iDstStride+iPosX] = weightBidir(w0,pSrcY0[iPosY*iSrc0Stride+iPosX], w1,pSrcY1[iPosY*iSrc1Stride+iPosX], round, shift, offset); |
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426 | |
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427 | // Chromas : -------------------------------------------- |
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428 | iSrc0Stride = pcYuvSrc0->getCStride(); |
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429 | iSrc1Stride = pcYuvSrc1->getCStride(); |
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430 | iDstStride = rpcYuvDst->getCStride(); |
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431 | |
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432 | iPosX = iPosX>>1; |
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433 | iPosY = iPosY>>1; |
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434 | |
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435 | // Chroma U : -------------------------------------------- |
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436 | w0 = wp0[1].w; |
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437 | o0 = wp0[1].o; |
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438 | offset = wp0[1].offset; |
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439 | shift = wp0[1].shift + shiftNum; |
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440 | round = (1<<(shift-1)); |
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441 | w1 = wp1[1].w; |
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442 | o1 = wp1[1].o; |
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443 | |
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444 | pDstU[iPosY*iDstStride+iPosX] = weightBidir(w0,pSrcU0[iPosY*iSrc0Stride+iPosX], w1,pSrcU1[iPosY*iSrc1Stride+iPosX], round, shift, offset); |
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445 | |
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446 | // Chroma V : -------------------------------------------- |
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447 | w0 = wp0[2].w; |
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448 | o0 = wp0[2].o; |
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449 | offset = wp0[2].offset; |
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450 | shift = wp0[2].shift + shiftNum; |
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451 | round = (1<<(shift-1)); |
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452 | w1 = wp1[2].w; |
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453 | o1 = wp1[2].o; |
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454 | |
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455 | pDstV[iPosY*iDstStride+iPosX] = weightBidir(w0,pSrcV0[iPosY*iSrc0Stride+iPosX], w1,pSrcV1[iPosY*iSrc1Stride+iPosX], round, shift, offset); |
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456 | } |
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457 | |
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458 | Void TComWeightPrediction::addWeightUni_DBMP( TComYuv* pcYuvSrc0, UInt iPartUnitIdx, UInt iPosX, Int iPosY, wpScalingParam *wp0, TComYuv* rpcYuvDst ) |
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459 | { |
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460 | Pel* pSrcY0 = pcYuvSrc0->getLumaAddr( iPartUnitIdx ); |
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461 | Pel* pSrcU0 = pcYuvSrc0->getCbAddr ( iPartUnitIdx ); |
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462 | Pel* pSrcV0 = pcYuvSrc0->getCrAddr ( iPartUnitIdx ); |
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463 | |
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464 | Pel* pDstY = rpcYuvDst->getLumaAddr( iPartUnitIdx ); |
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465 | Pel* pDstU = rpcYuvDst->getCbAddr ( iPartUnitIdx ); |
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466 | Pel* pDstV = rpcYuvDst->getCrAddr ( iPartUnitIdx ); |
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467 | |
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468 | // Luma : -------------------------------------------- |
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469 | Int w0 = wp0[0].w; |
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470 | Int offset = wp0[0].offset; |
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471 | Int shift = wp0[0].shift; |
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472 | Int round = wp0[0].round; |
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473 | |
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474 | UInt iSrc0Stride = pcYuvSrc0->getStride(); |
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475 | UInt iDstStride = rpcYuvDst->getStride(); |
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476 | |
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477 | pDstY[iPosY*iDstStride+iPosX] = weightUnidir(w0,pSrcY0[iPosY*iSrc0Stride+iPosX], round, shift, offset); |
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478 | |
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479 | // Chromas : -------------------------------------------- |
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480 | iSrc0Stride = pcYuvSrc0->getCStride(); |
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481 | iDstStride = rpcYuvDst->getCStride(); |
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482 | |
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483 | iPosX = iPosX>>1; |
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484 | iPosY = iPosY>>1; |
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485 | |
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486 | // Chroma U : -------------------------------------------- |
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487 | w0 = wp0[1].w; |
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488 | offset = wp0[1].offset; |
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489 | shift = wp0[1].shift; |
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490 | round = wp0[1].round; |
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491 | |
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492 | pDstU[iPosY*iDstStride+iPosX] = weightUnidir(w0,pSrcU0[iPosY*iSrc0Stride+iPosX], round, shift, offset); |
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493 | |
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494 | // Chroma V : -------------------------------------------- |
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495 | w0 = wp0[2].w; |
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496 | offset = wp0[2].offset; |
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497 | shift = wp0[2].shift; |
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498 | round = wp0[2].round; |
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499 | |
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500 | pDstV[iPosY*iDstStride+iPosX] = weightUnidir(w0,pSrcV0[iPosY*iSrc0Stride+iPosX], round, shift, offset); |
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501 | } |
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502 | |
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503 | Void TComWeightPrediction::xWeightedPredictionUni_DBMP( TComDataCU* pcCU, TComYuv* pcYuvSrc, UInt uiPartAddr, Int iPosX, Int iPosY, RefPicList eRefPicList, TComYuv*& rpcYuvPred, Int iPartIdx ) |
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504 | { |
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505 | wpScalingParam *pwp, *pwpTmp; |
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506 | Int iRefIdx = pcCU->getCUMvField( eRefPicList )->getRefIdx( uiPartAddr ); assert (iRefIdx >= 0); |
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507 | Int ibdi = (g_uiBitDepth+g_uiBitIncrement); |
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508 | |
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509 | if ( eRefPicList == REF_PIC_LIST_0 ) |
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510 | { |
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511 | getWpScaling(pcCU, iRefIdx, -1, pwp, pwpTmp, ibdi); |
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512 | } |
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513 | else |
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514 | { |
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515 | getWpScaling(pcCU, -1, iRefIdx, pwpTmp, pwp, ibdi); |
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516 | } |
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517 | addWeightUni_DBMP( pcYuvSrc, uiPartAddr, iPosX, iPosY, pwp, rpcYuvPred ); |
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518 | } |
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519 | |
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520 | Void TComWeightPrediction::xWeightedPredictionBi_DBMP( TComDataCU* pcCU, TComYuv* pcYuvSrc0, TComYuv* pcYuvSrc1, Int iRefIdx0, Int iRefIdx1, UInt uiPartIdx, Int iPosX, Int iPosY, TComYuv* rpcYuvDst ) |
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521 | { |
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522 | wpScalingParam *pwp0, *pwp1; |
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523 | TComPPS *pps = pcCU->getSlice()->getPPS(); |
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524 | |
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525 | if ( !pps->getUseWP() ) { |
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526 | printf("TComWeightPrediction::xWeightedPredictionBi():\tassert failed: useWP is false.\n"); |
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527 | exit(0); |
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528 | } |
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529 | |
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530 | Int ibdi = (g_uiBitDepth+g_uiBitIncrement); |
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531 | getWpScaling(pcCU, iRefIdx0, iRefIdx1, pwp0, pwp1, ibdi); |
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532 | |
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533 | if( iRefIdx0 >= 0 && iRefIdx1 >= 0 ) |
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534 | { |
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535 | addWeightBi_DBMP(pcYuvSrc0, pcYuvSrc1, uiPartIdx, iPosX, iPosY, pwp0, pwp1, rpcYuvDst ); |
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536 | } |
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537 | else if ( iRefIdx0 >= 0 && iRefIdx1 < 0 ) |
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538 | { |
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539 | addWeightUni_DBMP( pcYuvSrc0, uiPartIdx, iPosX, iPosY, pwp0, rpcYuvDst ); |
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540 | } |
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541 | else if ( iRefIdx0 < 0 && iRefIdx1 >= 0 ) |
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542 | { |
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543 | addWeightUni_DBMP( pcYuvSrc1, uiPartIdx, iPosX, iPosY, pwp1, rpcYuvDst ); |
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544 | } |
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545 | else |
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546 | assert (0); |
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547 | |
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548 | } |
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549 | #endif |
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550 | |
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551 | #endif // WEIGHT_PRED |
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552 | |
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