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) 2010-2012, 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 ITU/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 | /** \file TComRom.cpp |
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35 | \brief global variables & functions |
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36 | */ |
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37 | |
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38 | #include "TComRom.h" |
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39 | #include <memory.h> |
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40 | #include <stdlib.h> |
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41 | #include <stdio.h> |
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42 | // ==================================================================================================================== |
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43 | // Initialize / destroy functions |
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44 | // ==================================================================================================================== |
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45 | |
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46 | //! \ingroup TLibCommon |
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47 | //! \{ |
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48 | |
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49 | // initialize ROM variables |
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50 | Void initROM() |
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51 | { |
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52 | Int i, c; |
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53 | |
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54 | // g_aucConvertToBit[ x ]: log2(x/4), if x=4 -> 0, x=8 -> 1, x=16 -> 2, ... |
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55 | ::memset( g_aucConvertToBit, -1, sizeof( g_aucConvertToBit ) ); |
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56 | c=0; |
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57 | for ( i=4; i<MAX_CU_SIZE; i*=2 ) |
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58 | { |
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59 | g_aucConvertToBit[ i ] = c; |
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60 | c++; |
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61 | } |
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62 | g_aucConvertToBit[ i ] = c; |
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63 | |
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64 | // g_auiFrameScanXY[ g_aucConvertToBit[ transformSize ] ]: zigzag scan array for transformSize |
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65 | c=2; |
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66 | for ( i=0; i<MAX_CU_DEPTH; i++ ) |
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67 | { |
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68 | #if !REMOVE_ZIGZAG_SCAN |
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69 | g_auiFrameScanXY[ i ] = new UInt[ c*c ]; |
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70 | g_auiFrameScanX [ i ] = new UInt[ c*c ]; |
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71 | g_auiFrameScanY [ i ] = new UInt[ c*c ]; |
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72 | initFrameScanXY( g_auiFrameScanXY[i], g_auiFrameScanX[i], g_auiFrameScanY[i], c, c ); |
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73 | #endif |
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74 | g_auiSigLastScan[0][i] = new UInt[ c*c ]; |
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75 | g_auiSigLastScan[1][i] = new UInt[ c*c ]; |
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76 | g_auiSigLastScan[2][i] = new UInt[ c*c ]; |
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77 | g_auiSigLastScan[3][i] = new UInt[ c*c ]; |
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78 | initSigLastScan( g_auiSigLastScan[0][i], g_auiSigLastScan[1][i], g_auiSigLastScan[2][i], g_auiSigLastScan[3][i], c, c, i); |
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79 | |
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80 | c <<= 1; |
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81 | } |
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82 | #if !REMOVE_NSQT |
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83 | g_sigScanNSQT[0] = new UInt[ 64 ]; // 4x16 |
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84 | g_sigScanNSQT[1] = new UInt[ 256 ]; // 8x32 |
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85 | g_sigScanNSQT[2] = new UInt[ 64 ]; // 16x4 |
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86 | g_sigScanNSQT[3] = new UInt[ 256 ]; // 32x8 |
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87 | |
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88 | static int diagScanX[ 16 ] = |
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89 | { |
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90 | 0, 0, 1, 0, 1, 2, 0, 1, 2, 3, 1, 2, 3, 2, 3, 3 |
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91 | }; |
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92 | static int diagScanY[ 16 ] = |
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93 | { |
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94 | 0, 1, 0, 2, 1, 0, 3, 2, 1, 0, 3, 2, 1, 3, 2, 3 |
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95 | }; |
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96 | |
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97 | Int j; |
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98 | // 4x16 scan |
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99 | for (i = 0; i < 4; i++) |
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100 | { |
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101 | for (j = 0; j < 16; j++) |
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102 | { |
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103 | g_sigScanNSQT[ 0 ][ 16 * i + j ] = 16 * i + 4 * diagScanY[ j ] + diagScanX[ j ]; |
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104 | } |
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105 | } |
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106 | |
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107 | // 8x32 scan |
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108 | for (i = 0; i < 16; i++) |
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109 | { |
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110 | Int x = g_sigCGScanNSQT[ 1 ][ i ] & 1; |
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111 | Int y = g_sigCGScanNSQT[ 1 ][ i ] >> 1; |
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112 | |
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113 | for (j = 0; j < 16; j++) |
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114 | { |
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115 | g_sigScanNSQT[ 1 ][ 16 * i + j ] = 32 * y + 4 * x + 8 * diagScanY[ j ] + diagScanX[ j ]; |
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116 | } |
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117 | } |
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118 | |
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119 | // 16x4 scan |
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120 | for (i = 0; i < 4; i++) |
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121 | { |
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122 | for (j = 0; j < 16; j++) |
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123 | { |
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124 | g_sigScanNSQT[ 2 ][ 16 * i + j ] = 4 * i + 16 * diagScanY[ j ] + diagScanX[ j ]; |
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125 | } |
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126 | } |
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127 | |
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128 | // 32x8 scan |
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129 | for (i = 0; i < 16; i++) |
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130 | { |
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131 | Int x = g_sigCGScanNSQT[ 3 ][ i ] & 7; |
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132 | Int y = g_sigCGScanNSQT[ 3 ][ i ] >> 3; |
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133 | |
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134 | for (j = 0; j < 16; j++) |
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135 | { |
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136 | g_sigScanNSQT[ 3 ][ 16 * i + j ] = 128 * y + 4 * x + 32 * diagScanY[ j ] + diagScanX[ j ]; |
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137 | } |
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138 | } |
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139 | #endif |
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140 | } |
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141 | |
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142 | Void destroyROM() |
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143 | { |
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144 | Int i; |
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145 | |
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146 | for ( i=0; i<MAX_CU_DEPTH; i++ ) |
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147 | { |
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148 | #if !REMOVE_ZIGZAG_SCAN |
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149 | delete[] g_auiFrameScanXY[i]; |
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150 | delete[] g_auiFrameScanX [i]; |
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151 | delete[] g_auiFrameScanY [i]; |
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152 | #endif |
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153 | delete[] g_auiSigLastScan[0][i]; |
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154 | delete[] g_auiSigLastScan[1][i]; |
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155 | delete[] g_auiSigLastScan[2][i]; |
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156 | delete[] g_auiSigLastScan[3][i]; |
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157 | } |
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158 | #if !REMOVE_NSQT |
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159 | for (i = 0; i < 4; i++) |
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160 | { |
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161 | delete[] g_sigScanNSQT[ i ]; |
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162 | } |
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163 | #endif |
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164 | } |
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165 | |
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166 | // ==================================================================================================================== |
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167 | // Data structure related table & variable |
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168 | // ==================================================================================================================== |
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169 | |
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170 | UInt g_uiMaxCUWidth = MAX_CU_SIZE; |
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171 | UInt g_uiMaxCUHeight = MAX_CU_SIZE; |
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172 | UInt g_uiMaxCUDepth = MAX_CU_DEPTH; |
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173 | UInt g_uiAddCUDepth = 0; |
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174 | UInt g_auiZscanToRaster [ MAX_NUM_SPU_W*MAX_NUM_SPU_W ] = { 0, }; |
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175 | UInt g_auiRasterToZscan [ MAX_NUM_SPU_W*MAX_NUM_SPU_W ] = { 0, }; |
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176 | UInt g_auiRasterToPelX [ MAX_NUM_SPU_W*MAX_NUM_SPU_W ] = { 0, }; |
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177 | UInt g_auiRasterToPelY [ MAX_NUM_SPU_W*MAX_NUM_SPU_W ] = { 0, }; |
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178 | UInt g_motionRefer [ MAX_NUM_SPU_W*MAX_NUM_SPU_W ] = { 0, }; |
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179 | |
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180 | UInt g_auiPUOffset[8] = { 0, 8, 4, 4, 2, 10, 1, 5}; |
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181 | |
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182 | Void initZscanToRaster ( Int iMaxDepth, Int iDepth, UInt uiStartVal, UInt*& rpuiCurrIdx ) |
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183 | { |
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184 | Int iStride = 1 << ( iMaxDepth - 1 ); |
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185 | |
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186 | if ( iDepth == iMaxDepth ) |
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187 | { |
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188 | rpuiCurrIdx[0] = uiStartVal; |
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189 | rpuiCurrIdx++; |
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190 | } |
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191 | else |
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192 | { |
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193 | Int iStep = iStride >> iDepth; |
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194 | initZscanToRaster( iMaxDepth, iDepth+1, uiStartVal, rpuiCurrIdx ); |
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195 | initZscanToRaster( iMaxDepth, iDepth+1, uiStartVal+iStep, rpuiCurrIdx ); |
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196 | initZscanToRaster( iMaxDepth, iDepth+1, uiStartVal+iStep*iStride, rpuiCurrIdx ); |
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197 | initZscanToRaster( iMaxDepth, iDepth+1, uiStartVal+iStep*iStride+iStep, rpuiCurrIdx ); |
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198 | } |
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199 | } |
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200 | |
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201 | Void initRasterToZscan ( UInt uiMaxCUWidth, UInt uiMaxCUHeight, UInt uiMaxDepth ) |
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202 | { |
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203 | UInt uiMinCUWidth = uiMaxCUWidth >> ( uiMaxDepth - 1 ); |
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204 | UInt uiMinCUHeight = uiMaxCUHeight >> ( uiMaxDepth - 1 ); |
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205 | |
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206 | UInt uiNumPartInWidth = (UInt)uiMaxCUWidth / uiMinCUWidth; |
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207 | UInt uiNumPartInHeight = (UInt)uiMaxCUHeight / uiMinCUHeight; |
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208 | |
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209 | for ( UInt i = 0; i < uiNumPartInWidth*uiNumPartInHeight; i++ ) |
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210 | { |
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211 | g_auiRasterToZscan[ g_auiZscanToRaster[i] ] = i; |
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212 | } |
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213 | } |
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214 | |
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215 | /** generate motion data compression mapping table |
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216 | * \param uiMaxCUWidth, width of LCU |
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217 | * \param uiMaxCUHeight, hight of LCU |
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218 | * \param uiMaxDepth, max depth of LCU |
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219 | * \returns Void |
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220 | */ |
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221 | Void initMotionReferIdx ( UInt uiMaxCUWidth, UInt uiMaxCUHeight, UInt uiMaxDepth ) |
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222 | { |
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223 | Int minSUWidth = (Int)uiMaxCUWidth >> ( (Int)uiMaxDepth - 1 ); |
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224 | Int minSUHeight = (Int)uiMaxCUHeight >> ( (Int)uiMaxDepth - 1 ); |
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225 | |
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226 | Int numPartInWidth = (Int)uiMaxCUWidth / (Int)minSUWidth; |
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227 | Int numPartInHeight = (Int)uiMaxCUHeight / (Int)minSUHeight; |
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228 | |
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229 | for ( Int i = 0; i < numPartInWidth*numPartInHeight; i++ ) |
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230 | { |
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231 | g_motionRefer[i] = i; |
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232 | } |
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233 | |
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234 | UInt maxCUDepth = g_uiMaxCUDepth - ( g_uiAddCUDepth - 1); |
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235 | Int minCUWidth = (Int)uiMaxCUWidth >> ( (Int)maxCUDepth - 1); |
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236 | |
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237 | if(!(minCUWidth == 8 && minSUWidth == 4)) //check if Minimum PU width == 4 |
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238 | { |
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239 | return; |
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240 | } |
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241 | |
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242 | Int compressionNum = 2; |
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243 | |
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244 | for ( Int i = numPartInWidth*(numPartInHeight-1); i < numPartInWidth*numPartInHeight; i += compressionNum*2) |
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245 | { |
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246 | for ( Int j = 1; j < compressionNum; j++ ) |
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247 | { |
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248 | g_motionRefer[g_auiRasterToZscan[i+j]] = g_auiRasterToZscan[i]; |
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249 | } |
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250 | } |
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251 | |
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252 | for ( Int i = numPartInWidth*(numPartInHeight-1)+compressionNum*2-1; i < numPartInWidth*numPartInHeight; i += compressionNum*2) |
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253 | { |
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254 | for ( Int j = 1; j < compressionNum; j++ ) |
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255 | { |
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256 | g_motionRefer[g_auiRasterToZscan[i-j]] = g_auiRasterToZscan[i]; |
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257 | } |
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258 | } |
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259 | } |
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260 | |
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261 | Void initRasterToPelXY ( UInt uiMaxCUWidth, UInt uiMaxCUHeight, UInt uiMaxDepth ) |
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262 | { |
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263 | UInt i; |
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264 | |
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265 | UInt* uiTempX = &g_auiRasterToPelX[0]; |
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266 | UInt* uiTempY = &g_auiRasterToPelY[0]; |
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267 | |
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268 | UInt uiMinCUWidth = uiMaxCUWidth >> ( uiMaxDepth - 1 ); |
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269 | UInt uiMinCUHeight = uiMaxCUHeight >> ( uiMaxDepth - 1 ); |
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270 | |
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271 | UInt uiNumPartInWidth = uiMaxCUWidth / uiMinCUWidth; |
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272 | UInt uiNumPartInHeight = uiMaxCUHeight / uiMinCUHeight; |
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273 | |
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274 | uiTempX[0] = 0; uiTempX++; |
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275 | for ( i = 1; i < uiNumPartInWidth; i++ ) |
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276 | { |
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277 | uiTempX[0] = uiTempX[-1] + uiMinCUWidth; uiTempX++; |
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278 | } |
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279 | for ( i = 1; i < uiNumPartInHeight; i++ ) |
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280 | { |
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281 | memcpy(uiTempX, uiTempX-uiNumPartInWidth, sizeof(UInt)*uiNumPartInWidth); |
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282 | uiTempX += uiNumPartInWidth; |
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283 | } |
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284 | |
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285 | for ( i = 1; i < uiNumPartInWidth*uiNumPartInHeight; i++ ) |
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286 | { |
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287 | uiTempY[i] = ( i / uiNumPartInWidth ) * uiMinCUWidth; |
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288 | } |
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289 | }; |
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290 | |
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291 | |
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292 | Int g_quantScales[6] = |
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293 | { |
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294 | 26214,23302,20560,18396,16384,14564 |
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295 | }; |
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296 | |
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297 | Int g_invQuantScales[6] = |
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298 | { |
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299 | 40,45,51,57,64,72 |
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300 | }; |
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301 | |
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302 | const short g_aiT4[4][4] = |
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303 | { |
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304 | { 64, 64, 64, 64}, |
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305 | { 83, 36,-36,-83}, |
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306 | { 64,-64,-64, 64}, |
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307 | { 36,-83, 83,-36} |
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308 | }; |
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309 | |
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310 | const short g_aiT8[8][8] = |
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311 | { |
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312 | { 64, 64, 64, 64, 64, 64, 64, 64}, |
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313 | { 89, 75, 50, 18,-18,-50,-75,-89}, |
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314 | { 83, 36,-36,-83,-83,-36, 36, 83}, |
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315 | { 75,-18,-89,-50, 50, 89, 18,-75}, |
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316 | { 64,-64,-64, 64, 64,-64,-64, 64}, |
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317 | { 50,-89, 18, 75,-75,-18, 89,-50}, |
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318 | { 36,-83, 83,-36,-36, 83,-83, 36}, |
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319 | { 18,-50, 75,-89, 89,-75, 50,-18} |
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320 | }; |
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321 | |
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322 | const short g_aiT16[16][16] = |
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323 | { |
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324 | { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64}, |
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325 | { 90, 87, 80, 70, 57, 43, 25, 9, -9,-25,-43,-57,-70,-80,-87,-90}, |
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326 | { 89, 75, 50, 18,-18,-50,-75,-89,-89,-75,-50,-18, 18, 50, 75, 89}, |
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327 | { 87, 57, 9,-43,-80,-90,-70,-25, 25, 70, 90, 80, 43, -9,-57,-87}, |
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328 | { 83, 36,-36,-83,-83,-36, 36, 83, 83, 36,-36,-83,-83,-36, 36, 83}, |
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329 | { 80, 9,-70,-87,-25, 57, 90, 43,-43,-90,-57, 25, 87, 70, -9,-80}, |
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330 | { 75,-18,-89,-50, 50, 89, 18,-75,-75, 18, 89, 50,-50,-89,-18, 75}, |
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331 | { 70,-43,-87, 9, 90, 25,-80,-57, 57, 80,-25,-90, -9, 87, 43,-70}, |
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332 | { 64,-64,-64, 64, 64,-64,-64, 64, 64,-64,-64, 64, 64,-64,-64, 64}, |
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333 | { 57,-80,-25, 90, -9,-87, 43, 70,-70,-43, 87, 9,-90, 25, 80,-57}, |
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334 | { 50,-89, 18, 75,-75,-18, 89,-50,-50, 89,-18,-75, 75, 18,-89, 50}, |
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335 | { 43,-90, 57, 25,-87, 70, 9,-80, 80, -9,-70, 87,-25,-57, 90,-43}, |
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336 | { 36,-83, 83,-36,-36, 83,-83, 36, 36,-83, 83,-36,-36, 83,-83, 36}, |
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337 | { 25,-70, 90,-80, 43, 9,-57, 87,-87, 57, -9,-43, 80,-90, 70,-25}, |
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338 | { 18,-50, 75,-89, 89,-75, 50,-18,-18, 50,-75, 89,-89, 75,-50, 18}, |
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339 | { 9,-25, 43,-57, 70,-80, 87,-90, 90,-87, 80,-70, 57,-43, 25, -9} |
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340 | }; |
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341 | |
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342 | const short g_aiT32[32][32] = |
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343 | { |
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344 | { 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64}, |
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345 | { 90, 90, 88, 85, 82, 78, 73, 67, 61, 54, 46, 38, 31, 22, 13, 4, -4,-13,-22,-31,-38,-46,-54,-61,-67,-73,-78,-82,-85,-88,-90,-90}, |
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346 | { 90, 87, 80, 70, 57, 43, 25, 9, -9,-25,-43,-57,-70,-80,-87,-90,-90,-87,-80,-70,-57,-43,-25, -9, 9, 25, 43, 57, 70, 80, 87, 90}, |
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347 | { 90, 82, 67, 46, 22, -4,-31,-54,-73,-85,-90,-88,-78,-61,-38,-13, 13, 38, 61, 78, 88, 90, 85, 73, 54, 31, 4,-22,-46,-67,-82,-90}, |
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348 | { 89, 75, 50, 18,-18,-50,-75,-89,-89,-75,-50,-18, 18, 50, 75, 89, 89, 75, 50, 18,-18,-50,-75,-89,-89,-75,-50,-18, 18, 50, 75, 89}, |
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349 | { 88, 67, 31,-13,-54,-82,-90,-78,-46, -4, 38, 73, 90, 85, 61, 22,-22,-61,-85,-90,-73,-38, 4, 46, 78, 90, 82, 54, 13,-31,-67,-88}, |
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350 | { 87, 57, 9,-43,-80,-90,-70,-25, 25, 70, 90, 80, 43, -9,-57,-87,-87,-57, -9, 43, 80, 90, 70, 25,-25,-70,-90,-80,-43, 9, 57, 87}, |
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351 | { 85, 46,-13,-67,-90,-73,-22, 38, 82, 88, 54, -4,-61,-90,-78,-31, 31, 78, 90, 61, 4,-54,-88,-82,-38, 22, 73, 90, 67, 13,-46,-85}, |
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352 | { 83, 36,-36,-83,-83,-36, 36, 83, 83, 36,-36,-83,-83,-36, 36, 83, 83, 36,-36,-83,-83,-36, 36, 83, 83, 36,-36,-83,-83,-36, 36, 83}, |
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353 | { 82, 22,-54,-90,-61, 13, 78, 85, 31,-46,-90,-67, 4, 73, 88, 38,-38,-88,-73, -4, 67, 90, 46,-31,-85,-78,-13, 61, 90, 54,-22,-82}, |
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354 | { 80, 9,-70,-87,-25, 57, 90, 43,-43,-90,-57, 25, 87, 70, -9,-80,-80, -9, 70, 87, 25,-57,-90,-43, 43, 90, 57,-25,-87,-70, 9, 80}, |
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355 | { 78, -4,-82,-73, 13, 85, 67,-22,-88,-61, 31, 90, 54,-38,-90,-46, 46, 90, 38,-54,-90,-31, 61, 88, 22,-67,-85,-13, 73, 82, 4,-78}, |
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356 | { 75,-18,-89,-50, 50, 89, 18,-75,-75, 18, 89, 50,-50,-89,-18, 75, 75,-18,-89,-50, 50, 89, 18,-75,-75, 18, 89, 50,-50,-89,-18, 75}, |
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357 | { 73,-31,-90,-22, 78, 67,-38,-90,-13, 82, 61,-46,-88, -4, 85, 54,-54,-85, 4, 88, 46,-61,-82, 13, 90, 38,-67,-78, 22, 90, 31,-73}, |
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358 | { 70,-43,-87, 9, 90, 25,-80,-57, 57, 80,-25,-90, -9, 87, 43,-70,-70, 43, 87, -9,-90,-25, 80, 57,-57,-80, 25, 90, 9,-87,-43, 70}, |
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359 | { 67,-54,-78, 38, 85,-22,-90, 4, 90, 13,-88,-31, 82, 46,-73,-61, 61, 73,-46,-82, 31, 88,-13,-90, -4, 90, 22,-85,-38, 78, 54,-67}, |
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360 | { 64,-64,-64, 64, 64,-64,-64, 64, 64,-64,-64, 64, 64,-64,-64, 64, 64,-64,-64, 64, 64,-64,-64, 64, 64,-64,-64, 64, 64,-64,-64, 64}, |
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361 | { 61,-73,-46, 82, 31,-88,-13, 90, -4,-90, 22, 85,-38,-78, 54, 67,-67,-54, 78, 38,-85,-22, 90, 4,-90, 13, 88,-31,-82, 46, 73,-61}, |
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362 | { 57,-80,-25, 90, -9,-87, 43, 70,-70,-43, 87, 9,-90, 25, 80,-57,-57, 80, 25,-90, 9, 87,-43,-70, 70, 43,-87, -9, 90,-25,-80, 57}, |
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363 | { 54,-85, -4, 88,-46,-61, 82, 13,-90, 38, 67,-78,-22, 90,-31,-73, 73, 31,-90, 22, 78,-67,-38, 90,-13,-82, 61, 46,-88, 4, 85,-54}, |
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364 | { 50,-89, 18, 75,-75,-18, 89,-50,-50, 89,-18,-75, 75, 18,-89, 50, 50,-89, 18, 75,-75,-18, 89,-50,-50, 89,-18,-75, 75, 18,-89, 50}, |
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365 | { 46,-90, 38, 54,-90, 31, 61,-88, 22, 67,-85, 13, 73,-82, 4, 78,-78, -4, 82,-73,-13, 85,-67,-22, 88,-61,-31, 90,-54,-38, 90,-46}, |
---|
366 | { 43,-90, 57, 25,-87, 70, 9,-80, 80, -9,-70, 87,-25,-57, 90,-43,-43, 90,-57,-25, 87,-70, -9, 80,-80, 9, 70,-87, 25, 57,-90, 43}, |
---|
367 | { 38,-88, 73, -4,-67, 90,-46,-31, 85,-78, 13, 61,-90, 54, 22,-82, 82,-22,-54, 90,-61,-13, 78,-85, 31, 46,-90, 67, 4,-73, 88,-38}, |
---|
368 | { 36,-83, 83,-36,-36, 83,-83, 36, 36,-83, 83,-36,-36, 83,-83, 36, 36,-83, 83,-36,-36, 83,-83, 36, 36,-83, 83,-36,-36, 83,-83, 36}, |
---|
369 | { 31,-78, 90,-61, 4, 54,-88, 82,-38,-22, 73,-90, 67,-13,-46, 85,-85, 46, 13,-67, 90,-73, 22, 38,-82, 88,-54, -4, 61,-90, 78,-31}, |
---|
370 | { 25,-70, 90,-80, 43, 9,-57, 87,-87, 57, -9,-43, 80,-90, 70,-25,-25, 70,-90, 80,-43, -9, 57,-87, 87,-57, 9, 43,-80, 90,-70, 25}, |
---|
371 | { 22,-61, 85,-90, 73,-38, -4, 46,-78, 90,-82, 54,-13,-31, 67,-88, 88,-67, 31, 13,-54, 82,-90, 78,-46, 4, 38,-73, 90,-85, 61,-22}, |
---|
372 | { 18,-50, 75,-89, 89,-75, 50,-18,-18, 50,-75, 89,-89, 75,-50, 18, 18,-50, 75,-89, 89,-75, 50,-18,-18, 50,-75, 89,-89, 75,-50, 18}, |
---|
373 | { 13,-38, 61,-78, 88,-90, 85,-73, 54,-31, 4, 22,-46, 67,-82, 90,-90, 82,-67, 46,-22, -4, 31,-54, 73,-85, 90,-88, 78,-61, 38,-13}, |
---|
374 | { 9,-25, 43,-57, 70,-80, 87,-90, 90,-87, 80,-70, 57,-43, 25, -9, -9, 25,-43, 57,-70, 80,-87, 90,-90, 87,-80, 70,-57, 43,-25, 9}, |
---|
375 | { 4,-13, 22,-31, 38,-46, 54,-61, 67,-73, 78,-82, 85,-88, 90,-90, 90,-90, 88,-85, 82,-78, 73,-67, 61,-54, 46,-38, 31,-22, 13, -4} |
---|
376 | }; |
---|
377 | |
---|
378 | #if CHROMA_QP_EXTENSION |
---|
379 | const UChar g_aucChromaScale[58]= |
---|
380 | { |
---|
381 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16, |
---|
382 | 17,18,19,20,21,22,23,24,25,26,27,28,29,29,30,31,32, |
---|
383 | 33,33,34,34,35,35,36,36,37,37,38,39,40,41,42,43,44, |
---|
384 | 45,46,47,48,49,50,51 |
---|
385 | }; |
---|
386 | #else |
---|
387 | const UChar g_aucChromaScale[52]= |
---|
388 | { |
---|
389 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11, |
---|
390 | 12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27, |
---|
391 | 28,29,29,30,31,32,32,33,34,34,35,35,36,36,37,37, |
---|
392 | 37,38,38,38,39,39,39,39 |
---|
393 | }; |
---|
394 | #endif |
---|
395 | |
---|
396 | |
---|
397 | // Mode-Dependent DCT/DST |
---|
398 | const short g_as_DST_MAT_4 [4][4]= |
---|
399 | { |
---|
400 | {29, 55, 74, 84}, |
---|
401 | {74, 74, 0 , -74}, |
---|
402 | {84, -29, -74, 55}, |
---|
403 | {55, -84, 74, -29}, |
---|
404 | }; |
---|
405 | |
---|
406 | |
---|
407 | // ==================================================================================================================== |
---|
408 | // ADI |
---|
409 | // ==================================================================================================================== |
---|
410 | |
---|
411 | #if FAST_UDI_USE_MPM |
---|
412 | const UChar g_aucIntraModeNumFast[7] = |
---|
413 | { |
---|
414 | 3, // 2x2 |
---|
415 | 8, // 4x4 |
---|
416 | 8, // 8x8 |
---|
417 | 3, // 16x16 |
---|
418 | 3, // 32x32 |
---|
419 | 3, // 64x64 |
---|
420 | 3 // 128x128 |
---|
421 | }; |
---|
422 | #else // FAST_UDI_USE_MPM |
---|
423 | const UChar g_aucIntraModeNumFast[7] = |
---|
424 | { |
---|
425 | 3, // 2x2 |
---|
426 | 9, // 4x4 |
---|
427 | 9, // 8x8 |
---|
428 | 4, // 16x16 33 |
---|
429 | 4, // 32x32 33 |
---|
430 | 5, // 64x64 33 |
---|
431 | 4 // 128x128 33 |
---|
432 | }; |
---|
433 | #endif // FAST_UDI_USE_MPM |
---|
434 | |
---|
435 | // chroma |
---|
436 | |
---|
437 | const UChar g_aucConvertTxtTypeToIdx[4] = { 0, 1, 1, 2 }; |
---|
438 | |
---|
439 | |
---|
440 | // ==================================================================================================================== |
---|
441 | // Bit-depth |
---|
442 | // ==================================================================================================================== |
---|
443 | |
---|
444 | UInt g_uiBitDepth = 8; // base bit-depth |
---|
445 | UInt g_uiBitIncrement = 0; // increments |
---|
446 | UInt g_uiIBDI_MAX = 255; // max. value after IBDI |
---|
447 | UInt g_uiBASE_MAX = 255; // max. value before IBDI |
---|
448 | |
---|
449 | UInt g_uiPCMBitDepthLuma = 8; // PCM bit-depth |
---|
450 | UInt g_uiPCMBitDepthChroma = 8; // PCM bit-depth |
---|
451 | |
---|
452 | // ==================================================================================================================== |
---|
453 | // Misc. |
---|
454 | // ==================================================================================================================== |
---|
455 | |
---|
456 | Char g_aucConvertToBit [ MAX_CU_SIZE+1 ]; |
---|
457 | |
---|
458 | #if ENC_DEC_TRACE |
---|
459 | FILE* g_hTrace = NULL; |
---|
460 | const Bool g_bEncDecTraceEnable = true; |
---|
461 | const Bool g_bEncDecTraceDisable = false; |
---|
462 | Bool g_HLSTraceEnable = true; |
---|
463 | Bool g_bJustDoIt = false; |
---|
464 | UInt64 g_nSymbolCounter = 0; |
---|
465 | #endif |
---|
466 | // ==================================================================================================================== |
---|
467 | // Scanning order & context model mapping |
---|
468 | // ==================================================================================================================== |
---|
469 | |
---|
470 | // scanning order table |
---|
471 | #if !REMOVE_ZIGZAG_SCAN |
---|
472 | UInt* g_auiFrameScanXY[ MAX_CU_DEPTH ]; |
---|
473 | UInt* g_auiFrameScanX [ MAX_CU_DEPTH ]; |
---|
474 | UInt* g_auiFrameScanY [ MAX_CU_DEPTH ]; |
---|
475 | #endif |
---|
476 | UInt* g_auiSigLastScan[4][ MAX_CU_DEPTH ]; |
---|
477 | #if !REMOVE_NSQT |
---|
478 | UInt *g_sigScanNSQT[ 4 ]; // scan for non-square partitions |
---|
479 | UInt g_sigCGScanNSQT[ 4 ][ 16 ] = |
---|
480 | { |
---|
481 | { 0, 1, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
---|
482 | { 0, 2, 1, 4, 3, 6, 5, 8, 7, 10, 9, 12, 11, 14, 13, 15 }, |
---|
483 | { 0, 1, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, |
---|
484 | { 0, 8, 1, 9, 2, 10, 3, 11, 4, 12, 5, 13, 6, 14, 7, 15 } |
---|
485 | }; |
---|
486 | #endif |
---|
487 | |
---|
488 | const UInt g_sigLastScan8x8[ 4 ][ 4 ] = |
---|
489 | { |
---|
490 | {0, 1, 2, 3}, |
---|
491 | {0, 1, 2, 3}, |
---|
492 | #if REMOVAL_8x2_2x8_CG |
---|
493 | {0, 2, 1, 3}, |
---|
494 | #else |
---|
495 | {0, 1, 2, 3}, |
---|
496 | #endif |
---|
497 | {0, 2, 1, 3} |
---|
498 | }; |
---|
499 | UInt g_sigLastScanCG32x32[ 64 ]; |
---|
500 | |
---|
501 | UInt* g_auiNonSquareSigLastScan[ 4 ]; |
---|
502 | |
---|
503 | const UInt g_uiMinInGroup[ 10 ] = {0,1,2,3,4,6,8,12,16,24}; |
---|
504 | const UInt g_uiGroupIdx[ 32 ] = {0,1,2,3,4,4,5,5,6,6,6,6,7,7,7,7,8,8,8,8,8,8,8,8,9,9,9,9,9,9,9,9}; |
---|
505 | |
---|
506 | // Rice parameters for absolute transform levels |
---|
507 | const UInt g_auiGoRiceRange[5] = |
---|
508 | { |
---|
509 | 7, 14, 26, 46, 78 |
---|
510 | }; |
---|
511 | |
---|
512 | const UInt g_auiGoRicePrefixLen[5] = |
---|
513 | { |
---|
514 | 8, 7, 6, 5, 4 |
---|
515 | }; |
---|
516 | |
---|
517 | #if !REMOVE_ZIGZAG_SCAN |
---|
518 | // initialize g_auiFrameScanXY |
---|
519 | Void initFrameScanXY( UInt* pBuff, UInt* pBuffX, UInt* pBuffY, Int iWidth, Int iHeight ) |
---|
520 | { |
---|
521 | Int x, y, c = 0; |
---|
522 | |
---|
523 | // starting point |
---|
524 | pBuffX[ c ] = 0; |
---|
525 | pBuffY[ c ] = 0; |
---|
526 | pBuff[ c++ ] = 0; |
---|
527 | |
---|
528 | // loop |
---|
529 | x=1; y=0; |
---|
530 | while (1) |
---|
531 | { |
---|
532 | // decrease loop |
---|
533 | while ( x>=0 ) |
---|
534 | { |
---|
535 | if ( x >= 0 && x < iWidth && y >= 0 && y < iHeight ) |
---|
536 | { |
---|
537 | pBuffX[ c ] = x; |
---|
538 | pBuffY[ c ] = y; |
---|
539 | pBuff[ c++ ] = x+y*iWidth; |
---|
540 | } |
---|
541 | x--; y++; |
---|
542 | } |
---|
543 | x=0; |
---|
544 | |
---|
545 | // increase loop |
---|
546 | while ( y>=0 ) |
---|
547 | { |
---|
548 | if ( x >= 0 && x < iWidth && y >= 0 && y < iHeight ) |
---|
549 | { |
---|
550 | pBuffX[ c ] = x; |
---|
551 | pBuffY[ c ] = y; |
---|
552 | pBuff[ c++ ] = x+y*iWidth; |
---|
553 | } |
---|
554 | x++; y--; |
---|
555 | } |
---|
556 | y=0; |
---|
557 | |
---|
558 | // termination condition |
---|
559 | if ( c >= iWidth*iHeight ) break; |
---|
560 | } |
---|
561 | } |
---|
562 | #endif |
---|
563 | |
---|
564 | Void initSigLastScan(UInt* pBuffZ, UInt* pBuffH, UInt* pBuffV, UInt* pBuffD, Int iWidth, Int iHeight, Int iDepth) |
---|
565 | { |
---|
566 | const UInt uiNumScanPos = UInt( iWidth * iWidth ); |
---|
567 | UInt uiNextScanPos = 0; |
---|
568 | |
---|
569 | if( iWidth < 16 ) |
---|
570 | { |
---|
571 | UInt* pBuffTemp = pBuffD; |
---|
572 | if( iWidth == 8 ) |
---|
573 | { |
---|
574 | pBuffTemp = g_sigLastScanCG32x32; |
---|
575 | } |
---|
576 | for( UInt uiScanLine = 0; uiNextScanPos < uiNumScanPos; uiScanLine++ ) |
---|
577 | { |
---|
578 | int iPrimDim = int( uiScanLine ); |
---|
579 | int iScndDim = 0; |
---|
580 | while( iPrimDim >= iWidth ) |
---|
581 | { |
---|
582 | iScndDim++; |
---|
583 | iPrimDim--; |
---|
584 | } |
---|
585 | while( iPrimDim >= 0 && iScndDim < iWidth ) |
---|
586 | { |
---|
587 | pBuffTemp[ uiNextScanPos ] = iPrimDim * iWidth + iScndDim ; |
---|
588 | uiNextScanPos++; |
---|
589 | iScndDim++; |
---|
590 | iPrimDim--; |
---|
591 | } |
---|
592 | } |
---|
593 | } |
---|
594 | if( iWidth > 4 ) |
---|
595 | { |
---|
596 | UInt uiNumBlkSide = iWidth >> 2; |
---|
597 | UInt uiNumBlks = uiNumBlkSide * uiNumBlkSide; |
---|
598 | UInt log2Blk = g_aucConvertToBit[ uiNumBlkSide ] + 1; |
---|
599 | |
---|
600 | for( UInt uiBlk = 0; uiBlk < uiNumBlks; uiBlk++ ) |
---|
601 | { |
---|
602 | uiNextScanPos = 0; |
---|
603 | UInt initBlkPos = g_auiSigLastScan[ SCAN_DIAG ][ log2Blk ][ uiBlk ]; |
---|
604 | if( iWidth == 32 ) |
---|
605 | { |
---|
606 | initBlkPos = g_sigLastScanCG32x32[ uiBlk ]; |
---|
607 | } |
---|
608 | UInt offsetY = initBlkPos / uiNumBlkSide; |
---|
609 | UInt offsetX = initBlkPos - offsetY * uiNumBlkSide; |
---|
610 | UInt offsetD = 4 * ( offsetX + offsetY * iWidth ); |
---|
611 | UInt offsetScan = 16 * uiBlk; |
---|
612 | for( UInt uiScanLine = 0; uiNextScanPos < 16; uiScanLine++ ) |
---|
613 | { |
---|
614 | int iPrimDim = int( uiScanLine ); |
---|
615 | int iScndDim = 0; |
---|
616 | while( iPrimDim >= 4 ) |
---|
617 | { |
---|
618 | iScndDim++; |
---|
619 | iPrimDim--; |
---|
620 | } |
---|
621 | while( iPrimDim >= 0 && iScndDim < 4 ) |
---|
622 | { |
---|
623 | pBuffD[ uiNextScanPos + offsetScan ] = iPrimDim * iWidth + iScndDim + offsetD; |
---|
624 | uiNextScanPos++; |
---|
625 | iScndDim++; |
---|
626 | iPrimDim--; |
---|
627 | } |
---|
628 | } |
---|
629 | } |
---|
630 | } |
---|
631 | |
---|
632 | #if !REMOVE_ZIGZAG_SCAN |
---|
633 | memcpy(pBuffZ, g_auiFrameScanXY[iDepth], sizeof(UInt)*iWidth*iHeight); |
---|
634 | #endif |
---|
635 | |
---|
636 | UInt uiCnt = 0; |
---|
637 | #if REMOVAL_8x2_2x8_CG |
---|
638 | if( iWidth > 2 ) |
---|
639 | { |
---|
640 | UInt numBlkSide = iWidth >> 2; |
---|
641 | for(Int blkY=0; blkY < numBlkSide; blkY++) |
---|
642 | { |
---|
643 | for(Int blkX=0; blkX < numBlkSide; blkX++) |
---|
644 | { |
---|
645 | UInt offset = blkY * 4 * iWidth + blkX * 4; |
---|
646 | for(Int y=0; y < 4; y++) |
---|
647 | { |
---|
648 | for(Int x=0; x < 4; x++) |
---|
649 | { |
---|
650 | pBuffH[uiCnt] = y*iWidth + x + offset; |
---|
651 | uiCnt ++; |
---|
652 | } |
---|
653 | } |
---|
654 | } |
---|
655 | } |
---|
656 | |
---|
657 | uiCnt = 0; |
---|
658 | for(Int blkX=0; blkX < numBlkSide; blkX++) |
---|
659 | { |
---|
660 | for(Int blkY=0; blkY < numBlkSide; blkY++) |
---|
661 | { |
---|
662 | UInt offset = blkY * 4 * iWidth + blkX * 4; |
---|
663 | for(Int x=0; x < 4; x++) |
---|
664 | { |
---|
665 | for(Int y=0; y < 4; y++) |
---|
666 | { |
---|
667 | pBuffV[uiCnt] = y*iWidth + x + offset; |
---|
668 | uiCnt ++; |
---|
669 | } |
---|
670 | } |
---|
671 | } |
---|
672 | } |
---|
673 | } |
---|
674 | else |
---|
675 | { |
---|
676 | #endif |
---|
677 | for(Int iY=0; iY < iHeight; iY++) |
---|
678 | { |
---|
679 | for(Int iX=0; iX < iWidth; iX++) |
---|
680 | { |
---|
681 | pBuffH[uiCnt] = iY*iWidth + iX; |
---|
682 | uiCnt ++; |
---|
683 | } |
---|
684 | } |
---|
685 | |
---|
686 | uiCnt = 0; |
---|
687 | for(Int iX=0; iX < iWidth; iX++) |
---|
688 | { |
---|
689 | for(Int iY=0; iY < iHeight; iY++) |
---|
690 | { |
---|
691 | pBuffV[uiCnt] = iY*iWidth + iX; |
---|
692 | uiCnt ++; |
---|
693 | } |
---|
694 | } |
---|
695 | #if REMOVAL_8x2_2x8_CG |
---|
696 | } |
---|
697 | #endif |
---|
698 | } |
---|
699 | |
---|
700 | Void initNonSquareSigLastScan(UInt* pBuffZ, UInt uiWidth, UInt uiHeight) |
---|
701 | { |
---|
702 | |
---|
703 | Int x, y, c = 0; |
---|
704 | |
---|
705 | // starting point |
---|
706 | pBuffZ[ c++ ] = 0; |
---|
707 | |
---|
708 | // loop |
---|
709 | if ( uiWidth > uiHeight ) |
---|
710 | { |
---|
711 | x=0; y=1; |
---|
712 | while (1) |
---|
713 | { |
---|
714 | // increase loop |
---|
715 | while ( y>=0 ) |
---|
716 | { |
---|
717 | if ( x >= 0 && x < uiWidth && y >= 0 && y < uiHeight ) |
---|
718 | { |
---|
719 | pBuffZ[ c++ ] = x + y * uiWidth; |
---|
720 | } |
---|
721 | x++; |
---|
722 | y--; |
---|
723 | } |
---|
724 | y=0; |
---|
725 | |
---|
726 | // decrease loop |
---|
727 | while ( x>=0 ) |
---|
728 | { |
---|
729 | if ( x >= 0 && x < uiWidth && y >= 0 && y < uiHeight ) |
---|
730 | { |
---|
731 | pBuffZ[ c++ ] = x + y * uiWidth; |
---|
732 | } |
---|
733 | x--; |
---|
734 | y++; |
---|
735 | } |
---|
736 | x=0; |
---|
737 | |
---|
738 | // termination condition |
---|
739 | if ( c >= uiWidth * uiHeight ) |
---|
740 | { |
---|
741 | break; |
---|
742 | } |
---|
743 | } |
---|
744 | } |
---|
745 | else |
---|
746 | { |
---|
747 | x=1; y=0; |
---|
748 | while (1) |
---|
749 | { |
---|
750 | // increase loop |
---|
751 | while ( x>=0 ) |
---|
752 | { |
---|
753 | if ( x >= 0 && x < uiWidth && y >= 0 && y < uiHeight ) |
---|
754 | { |
---|
755 | pBuffZ[ c++ ] = x + y * uiWidth; |
---|
756 | } |
---|
757 | x--; |
---|
758 | y++; |
---|
759 | } |
---|
760 | x=0; |
---|
761 | |
---|
762 | // decrease loop |
---|
763 | while ( y>=0 ) |
---|
764 | { |
---|
765 | if ( x >= 0 && x < uiWidth && y >= 0 && y < uiHeight ) |
---|
766 | { |
---|
767 | pBuffZ[ c++ ] = x + y * uiWidth; |
---|
768 | } |
---|
769 | x++; |
---|
770 | y--; |
---|
771 | } |
---|
772 | y=0; |
---|
773 | |
---|
774 | // termination condition |
---|
775 | if ( c >= uiWidth * uiHeight ) |
---|
776 | { |
---|
777 | break; |
---|
778 | } |
---|
779 | } |
---|
780 | } |
---|
781 | } |
---|
782 | |
---|
783 | Int g_quantIntraDefault4x4[16] = |
---|
784 | { |
---|
785 | 16,16,17,21, |
---|
786 | 16,17,20,25, |
---|
787 | 17,20,30,41, |
---|
788 | 21,25,41,70 |
---|
789 | }; |
---|
790 | Int g_quantInterDefault4x4[16] = |
---|
791 | { |
---|
792 | 16,16,17,21, |
---|
793 | 16,17,21,24, |
---|
794 | 17,21,24,36, |
---|
795 | 21,24,36,57 |
---|
796 | }; |
---|
797 | #if TS_FLAT_QUANTIZATION_MATRIX |
---|
798 | Int g_quantTSDefault4x4[16] = |
---|
799 | { |
---|
800 | 16,16,16,16, |
---|
801 | 16,16,16,16, |
---|
802 | 16,16,16,16, |
---|
803 | 16,16,16,16 |
---|
804 | }; |
---|
805 | #endif |
---|
806 | |
---|
807 | Int g_quantIntraDefault8x8[64] = |
---|
808 | { |
---|
809 | 16,16,16,16,17,18,21,24, |
---|
810 | 16,16,16,16,17,19,22,25, |
---|
811 | 16,16,17,18,20,22,25,29, |
---|
812 | 16,16,18,21,24,27,31,36, |
---|
813 | 17,17,20,24,30,35,41,47, |
---|
814 | 18,19,22,27,35,44,54,65, |
---|
815 | 21,22,25,31,41,54,70,88, |
---|
816 | 24,25,29,36,47,65,88,115 |
---|
817 | }; |
---|
818 | |
---|
819 | Int g_quantInterDefault8x8[64] = |
---|
820 | { |
---|
821 | 16,16,16,16,17,18,20,24, |
---|
822 | 16,16,16,17,18,20,24,25, |
---|
823 | 16,16,17,18,20,24,25,28, |
---|
824 | 16,17,18,20,24,25,28,33, |
---|
825 | 17,18,20,24,25,28,33,41, |
---|
826 | 18,20,24,25,28,33,41,54, |
---|
827 | 20,24,25,28,33,41,54,71, |
---|
828 | 24,25,28,33,41,54,71,91 |
---|
829 | }; |
---|
830 | UInt g_scalingListSize [4] = {16,64,256,1024}; |
---|
831 | UInt g_scalingListSizeX [4] = { 4, 8, 16, 32}; |
---|
832 | UInt g_scalingListNum[SCALING_LIST_SIZE_NUM]={6,6,6,2}; |
---|
833 | Int g_eTTable[4] = {0,3,1,2}; |
---|
834 | |
---|
835 | //! \} |
---|