1 | /* The copyright in this software is being made available under the BSD |
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2 | * License, included below. This software may be subject to other third party |
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3 | * and contributor rights, including patent rights, and no such rights are |
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4 | * granted under this license. |
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5 | * |
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6 | * Copyright (c) 2010-2015, ITU/ISO/IEC |
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7 | * All rights reserved. |
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8 | * |
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9 | * Redistribution and use in source and binary forms, with or without |
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10 | * modification, are permitted provided that the following conditions are met: |
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11 | * |
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12 | * * Redistributions of source code must retain the above copyright notice, |
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13 | * this list of conditions and the following disclaimer. |
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14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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15 | * this list of conditions and the following disclaimer in the documentation |
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16 | * and/or other materials provided with the distribution. |
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17 | * * Neither the name of the 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 | #ifndef __TCOMCODINGSTATISTICS__ |
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35 | #define __TCOMCODINGSTATISTICS__ |
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36 | |
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37 | #include "CommonDef.h" |
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38 | #include <stdio.h> |
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39 | #include <string> |
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40 | #include <map> |
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41 | #include <math.h> |
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42 | #include "TComChromaFormat.h" |
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43 | |
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44 | static const Int64 TCOMCODINGSTATISTICS_ENTROPYSCALE=32768; |
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45 | |
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46 | |
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47 | enum TComCodingStatisticsType |
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48 | { |
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49 | STATS__NAL_UNIT_TOTAL_BODY,// This is a special case and is not included in the total sums. |
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50 | STATS__NAL_UNIT_PACKING, |
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51 | STATS__EMULATION_PREVENTION_3_BYTES, |
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52 | STATS__NAL_UNIT_HEADER_BITS, |
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53 | STATS__CABAC_INITIALISATION, |
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54 | STATS__CABAC_BITS__TQ_BYPASS_FLAG, |
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55 | STATS__CABAC_BITS__SKIP_FLAG, |
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56 | STATS__CABAC_BITS__MERGE_FLAG, |
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57 | STATS__CABAC_BITS__MERGE_INDEX, |
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58 | STATS__CABAC_BITS__MVP_IDX, |
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59 | STATS__CABAC_BITS__SPLIT_FLAG, |
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60 | STATS__CABAC_BITS__PART_SIZE, |
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61 | STATS__CABAC_BITS__PRED_MODE, |
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62 | STATS__CABAC_BITS__INTRA_DIR_ANG, |
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63 | STATS__CABAC_BITS__INTER_DIR, |
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64 | STATS__CABAC_BITS__REF_FRM_IDX, |
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65 | STATS__CABAC_BITS__MVD, |
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66 | STATS__CABAC_BITS__MVD_EP, |
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67 | STATS__CABAC_BITS__TRANSFORM_SUBDIV_FLAG, |
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68 | STATS__CABAC_BITS__QT_ROOT_CBF, |
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69 | STATS__CABAC_BITS__DELTA_QP_EP, |
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70 | STATS__CABAC_BITS__CHROMA_QP_ADJUSTMENT, |
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71 | STATS__CABAC_BITS__QT_CBF, |
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72 | STATS__CABAC_BITS__CROSS_COMPONENT_PREDICTION, |
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73 | STATS__CABAC_BITS__TRANSFORM_SKIP_FLAGS, |
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74 | |
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75 | STATS__CABAC_BITS__LAST_SIG_X_Y, |
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76 | STATS__CABAC_BITS__SIG_COEFF_GROUP_FLAG, |
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77 | STATS__CABAC_BITS__SIG_COEFF_MAP_FLAG, |
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78 | STATS__CABAC_BITS__GT1_FLAG, |
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79 | STATS__CABAC_BITS__GT2_FLAG, |
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80 | STATS__CABAC_BITS__SIGN_BIT, |
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81 | STATS__CABAC_BITS__ESCAPE_BITS, |
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82 | |
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83 | STATS__CABAC_BITS__SAO, |
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84 | STATS__CABAC_TRM_BITS, |
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85 | STATS__CABAC_FIXED_BITS, |
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86 | STATS__CABAC_PCM_ALIGN_BITS, |
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87 | STATS__CABAC_PCM_CODE_BITS, |
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88 | STATS__BYTE_ALIGNMENT_BITS, |
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89 | STATS__TRAILING_BITS, |
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90 | STATS__EXPLICIT_RDPCM_BITS, |
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91 | STATS__CABAC_EP_BIT_ALIGNMENT, |
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92 | STATS__CABAC_BITS__ALIGNED_SIGN_BIT, |
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93 | STATS__CABAC_BITS__ALIGNED_ESCAPE_BITS, |
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94 | STATS__NUM_STATS |
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95 | }; |
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96 | |
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97 | static inline const TChar* getName(TComCodingStatisticsType name) |
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98 | { |
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99 | static const TChar *statNames[]= |
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100 | { |
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101 | "NAL_UNIT_TOTAL_BODY", // This is a special case and is not included in the total sums. |
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102 | "NAL_UNIT_PACKING", |
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103 | "EMULATION_PREVENTION_3_BYTES", |
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104 | "NAL_UNIT_HEADER_BITS", |
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105 | "CABAC_INITIALISATION-and-rounding", |
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106 | "CABAC_BITS__TQ_BYPASS_FLAG", |
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107 | "CABAC_BITS__SKIP_FLAG", |
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108 | "CABAC_BITS__MERGE_FLAG", |
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109 | "CABAC_BITS__MERGE_INDEX", |
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110 | "CABAC_BITS__MVP_IDX", |
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111 | "CABAC_BITS__SPLIT_FLAG", |
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112 | "CABAC_BITS__PART_SIZE", |
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113 | "CABAC_BITS__PRED_MODE", |
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114 | "CABAC_BITS__INTRA_DIR_ANG", |
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115 | "CABAC_BITS__INTER_DIR", |
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116 | "CABAC_BITS__REF_FRM_IDX", |
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117 | "CABAC_BITS__MVD", |
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118 | "CABAC_BITS__MVD_EP", |
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119 | "CABAC_BITS__TRANSFORM_SUBDIV_FLAG", |
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120 | "CABAC_BITS__QT_ROOT_CBF", |
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121 | "CABAC_BITS__DELTA_QP_EP", |
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122 | "CABAC_BITS__CHROMA_QP_ADJUSTMENT", |
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123 | "CABAC_BITS__QT_CBF", |
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124 | "CABAC_BITS__CROSS_COMPONENT_PREDICTION", |
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125 | "CABAC_BITS__TRANSFORM_SKIP_FLAGS", |
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126 | "CABAC_BITS__LAST_SIG_X_Y", |
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127 | "CABAC_BITS__SIG_COEFF_GROUP_FLAG", |
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128 | "CABAC_BITS__SIG_COEFF_MAP_FLAG", |
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129 | "CABAC_BITS__GT1_FLAG", |
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130 | "CABAC_BITS__GT2_FLAG", |
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131 | "CABAC_BITS__SIGN_BIT", |
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132 | "CABAC_BITS__ESCAPE_BITS", |
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133 | "CABAC_BITS__SAO", |
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134 | "CABAC_TRM_BITS", |
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135 | "CABAC_FIXED_BITS", |
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136 | "CABAC_PCM_ALIGN_BITS", |
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137 | "CABAC_PCM_CODE_BITS", |
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138 | "BYTE_ALIGNMENT_BITS", |
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139 | "TRAILING_BITS", |
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140 | "EXPLICIT_RDPCM_BITS", |
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141 | "CABAC_EP_BIT_ALIGNMENT", |
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142 | "CABAC_BITS__ALIGNED_SIGN_BIT", |
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143 | "CABAC_BITS__ALIGNED_ESCAPE_BITS" |
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144 | }; |
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145 | assert(STATS__NUM_STATS == sizeof(statNames)/sizeof(TChar *) && name < STATS__NUM_STATS); |
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146 | return statNames[name]; |
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147 | } |
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148 | |
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149 | static inline Bool isAlignedBins(TComCodingStatisticsType statT) { return statT==STATS__CABAC_BITS__ALIGNED_SIGN_BIT || statT==STATS__CABAC_BITS__ALIGNED_ESCAPE_BITS; } |
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150 | |
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151 | static const UInt CODING_STATS_NUM_WIDTHS=7; |
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152 | static const UInt CODING_STATS_NUM_SUBCLASSES=CODING_STATS_NUM_WIDTHS*(1+MAX_NUM_COMPONENT+MAX_NUM_CHANNEL_TYPE); |
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153 | |
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154 | class TComCodingStatisticsClassType |
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155 | { |
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156 | public: |
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157 | |
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158 | TComCodingStatisticsClassType(const TComCodingStatisticsType t) |
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159 | : type(t), subClass(0) |
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160 | { } |
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161 | TComCodingStatisticsClassType(const TComCodingStatisticsType t, const UInt log2w ) |
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162 | : type(t), subClass(log2w) |
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163 | { } |
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164 | TComCodingStatisticsClassType(const TComCodingStatisticsType t, const Int log2w ) |
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165 | : type(t), subClass(log2w) |
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166 | { } |
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167 | TComCodingStatisticsClassType(const TComCodingStatisticsType t, const ComponentID cid ) |
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168 | : type(t), subClass((cid+1)*CODING_STATS_NUM_WIDTHS) |
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169 | { } |
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170 | TComCodingStatisticsClassType(const TComCodingStatisticsType t, const ChannelType chid ) |
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171 | : type(t), subClass((chid+MAX_NUM_COMPONENT+1)*CODING_STATS_NUM_WIDTHS) |
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172 | { } |
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173 | TComCodingStatisticsClassType(const TComCodingStatisticsType t, const UInt log2w, const ComponentID cid ) |
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174 | : type(t), subClass((cid+1)*CODING_STATS_NUM_WIDTHS + log2w) |
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175 | { } |
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176 | TComCodingStatisticsClassType(const TComCodingStatisticsType t, const UInt log2w, const ChannelType chid ) |
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177 | : type(t), subClass((chid+MAX_NUM_COMPONENT+1)*CODING_STATS_NUM_WIDTHS + log2w) |
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178 | { } |
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179 | |
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180 | static UInt GetSubClassWidth(const UInt subClass) |
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181 | { |
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182 | return subClass%CODING_STATS_NUM_WIDTHS; |
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183 | } |
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184 | |
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185 | static const TChar *GetSubClassString(const UInt subClass) |
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186 | { |
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187 | assert (subClass<CODING_STATS_NUM_SUBCLASSES); |
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188 | static const TChar *strings[1+MAX_NUM_COMPONENT+MAX_NUM_CHANNEL_TYPE]={"-", "Y", "Cb", "Cr", "Luma", "Chroma"}; |
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189 | return strings[subClass/CODING_STATS_NUM_WIDTHS]; |
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190 | } |
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191 | |
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192 | TComCodingStatisticsType type; |
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193 | UInt subClass; |
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194 | }; |
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195 | |
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196 | |
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197 | |
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198 | class TComCodingStatistics |
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199 | { |
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200 | public: |
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201 | |
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202 | |
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203 | struct StatLogValue |
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204 | { |
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205 | UInt values[512+1]; |
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206 | StatLogValue() |
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207 | { |
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208 | const Double es=Double(TCOMCODINGSTATISTICS_ENTROPYSCALE); |
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209 | values[0]=0; |
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210 | for(UInt i=1; i<sizeof(values)/sizeof(UInt); i++) |
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211 | { |
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212 | values[i]=UInt( log(Double(i))*es/log(2.0) ); |
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213 | } |
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214 | } |
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215 | }; |
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216 | |
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217 | struct SStat |
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218 | { |
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219 | SStat() : bits(0), count(0), sum(0) { } |
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220 | Int64 bits; |
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221 | Int64 count; |
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222 | Int64 sum; |
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223 | Void clear() { bits=0; count=0; sum=0; } |
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224 | |
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225 | SStat &operator+=(const SStat &src) |
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226 | { bits+=src.bits; count+=src.count; sum+=src.sum; return *this; } |
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227 | }; |
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228 | |
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229 | class TComCodingStatisticsData |
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230 | { |
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231 | private: |
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232 | SStat statistics[STATS__NUM_STATS+1][CODING_STATS_NUM_SUBCLASSES]; |
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233 | SStat statistics_ep[STATS__NUM_STATS+1][CODING_STATS_NUM_SUBCLASSES ]; |
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234 | std::map<std::string, SStat> mappings_ep; |
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235 | friend class TComCodingStatistics; |
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236 | }; |
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237 | |
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238 | private: |
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239 | |
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240 | TComCodingStatisticsData data; |
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241 | |
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242 | TComCodingStatistics() : data() |
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243 | { } |
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244 | |
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245 | static Void OutputLine(const TChar *pName, const TChar sep, UInt width, const TChar *pSubClassStr, const SStat &sCABAC, const SStat &sEP) |
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246 | { |
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247 | if (width==0) |
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248 | { |
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249 | OutputLine(pName, sep, "-", pSubClassStr, sCABAC, sEP); |
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250 | } |
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251 | else |
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252 | { |
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253 | printf("%c%-45s%c %6d %6s %12lld %12lld %12lld %12lld %12lld %12lld %12lld (%12lld)%c\n", |
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254 | sep=='~'?'[':' ', pName, sep, 1<<width, pSubClassStr, |
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255 | sCABAC.count, sCABAC.sum, sCABAC.bits, sEP.count, sEP.sum, sEP.bits, sCABAC.bits+sEP.bits, (sCABAC.bits+sEP.bits)/8, sep=='~'?']':' '); |
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256 | } |
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257 | } |
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258 | static Void OutputLine(const TChar *pName, const TChar sep, const TChar *pWidthString, const TChar *pSubClassStr, const SStat &sCABAC, const SStat &sEP) |
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259 | { |
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260 | printf("%c%-45s%c %6s %6s %12lld %12lld %12lld %12lld %12lld %12lld %12lld (%12lld)%c\n", |
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261 | sep=='~'?'[':' ', pName, sep, pWidthString, pSubClassStr, |
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262 | sCABAC.count, sCABAC.sum, sCABAC.bits, sEP.count, sEP.sum, sEP.bits, sCABAC.bits+sEP.bits, (sCABAC.bits+sEP.bits)/8, sep=='~'?']':' '); |
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263 | } |
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264 | static Void OutputLine(const TChar *pName, const TChar sep, const TChar *pWidthString, const TChar *pSubClassStr, const SStat &sEP) |
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265 | { |
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266 | printf("%c%-45s%c %6s %6s %12s %12s %12s %12lld %12lld %12lld %12lld (%12lld)%c\n", |
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267 | sep=='~'?'[':' ', pName, sep, pWidthString, pSubClassStr, |
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268 | "", "", "", sEP.count, sEP.sum, sEP.bits, sEP.bits, (sEP.bits)/8, sep=='~'?']':' '); |
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269 | } |
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270 | |
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271 | static Void OutputDashedLine(const TChar *pText) |
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272 | { |
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273 | printf("--%s",pText); |
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274 | UInt tot=0; |
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275 | for(;pText[tot]!=0; tot++); |
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276 | |
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277 | tot+=2; |
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278 | for (; tot<168; tot++) |
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279 | { |
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280 | printf("-"); |
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281 | } |
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282 | printf("\n"); |
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283 | } |
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284 | |
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285 | ~TComCodingStatistics() |
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286 | { |
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287 | const Int64 es=TCOMCODINGSTATISTICS_ENTROPYSCALE; |
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288 | |
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289 | Int64 cr=0; // CABAC remainder, which is added to "STATS__CABAC_INITIALISATION" |
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290 | { |
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291 | Int64 totalCABACbits=0, roundedCABACbits=0; |
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292 | for(Int i=STATS__NAL_UNIT_PACKING; i<STATS__NUM_STATS; i++) |
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293 | { |
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294 | for(UInt c=0; c<CODING_STATS_NUM_SUBCLASSES; c++) |
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295 | { |
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296 | totalCABACbits+=data.statistics[i][c].bits; |
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297 | roundedCABACbits+=data.statistics[i][c].bits/es; |
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298 | } |
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299 | } |
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300 | Int64 remainder=totalCABACbits - roundedCABACbits*es; |
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301 | cr=(remainder+es/2)/es; |
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302 | } |
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303 | |
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304 | printf("Note %s will be excluded from the total as it should be the sum of all the other entries (except for %s)\n", getName(STATS__NAL_UNIT_TOTAL_BODY), getName(STATS__NAL_UNIT_PACKING)); |
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305 | printf(" %-45s- Width Type CABAC Count CABAC Sum CABAC bits EP Count EP Sum EP bits Total bits ( Total bytes)\n", "Decoder statistics"); |
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306 | |
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307 | OutputDashedLine(""); |
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308 | SStat cabacTotalBits, epTotalBits; |
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309 | SStat statTotals_cabac[CODING_STATS_NUM_SUBCLASSES]; |
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310 | SStat statTotals_ep[CODING_STATS_NUM_SUBCLASSES]; |
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311 | |
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312 | for(Int i=0; i<STATS__NUM_STATS; i++) |
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313 | { |
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314 | SStat cabacSubTotal, epSubTotal; |
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315 | Bool bHadClassifiedEntry=false; |
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316 | const TChar *pName=getName(TComCodingStatisticsType(i)); |
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317 | |
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318 | for(UInt c=0; c<CODING_STATS_NUM_SUBCLASSES; c++) |
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319 | { |
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320 | SStat &sCABACorig=data.statistics[i][c]; |
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321 | SStat &sEP=data.statistics_ep[i][c]; |
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322 | |
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323 | if (sCABACorig.bits==0 && sEP.bits==0) |
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324 | { |
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325 | continue; |
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326 | } |
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327 | |
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328 | SStat sCABAC; |
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329 | { |
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330 | Int64 thisCABACbits=sCABACorig.bits/es; |
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331 | if (i==STATS__CABAC_INITIALISATION && sCABACorig.bits!=0) |
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332 | { |
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333 | thisCABACbits+=cr; |
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334 | cr=0; |
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335 | } |
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336 | sCABAC.bits=thisCABACbits; |
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337 | sCABAC.count=sCABACorig.count; |
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338 | sCABAC.sum=sCABACorig.sum; |
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339 | } |
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340 | UInt width=TComCodingStatisticsClassType::GetSubClassWidth(c); |
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341 | OutputLine(pName, ':', width, TComCodingStatisticsClassType::GetSubClassString(c), sCABAC, sEP); |
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342 | cabacSubTotal+=sCABAC; |
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343 | epSubTotal+=sEP; |
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344 | if (i!=STATS__NAL_UNIT_TOTAL_BODY) |
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345 | { |
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346 | cabacTotalBits+=sCABAC; |
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347 | epTotalBits+=sEP; |
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348 | statTotals_cabac[c]+=sCABAC; |
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349 | statTotals_ep[c]+=sEP; |
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350 | } |
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351 | bHadClassifiedEntry=bHadClassifiedEntry||(c!=0); |
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352 | } |
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353 | if (bHadClassifiedEntry) |
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354 | { |
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355 | OutputLine(pName, '~', "~~ST~~", "~~ST~~", cabacSubTotal, epSubTotal); |
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356 | } |
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357 | if (i==STATS__NAL_UNIT_TOTAL_BODY) |
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358 | { |
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359 | OutputDashedLine(""); |
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360 | } |
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361 | } |
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362 | OutputDashedLine(""); |
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363 | OutputLine("CABAC Sub-total", '~', "~~ST~~", "~~ST~~", cabacTotalBits, epTotalBits); |
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364 | |
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365 | OutputDashedLine("CAVLC HEADER BITS"); |
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366 | SStat cavlcTotalBits; |
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367 | for(std::map<std::string, SStat>::iterator it=data.mappings_ep.begin(); it!=data.mappings_ep.end(); it++) |
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368 | { |
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369 | SStat s=it->second; |
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370 | cavlcTotalBits+=s; |
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371 | OutputLine(it->first.c_str(), ':', "-", "-", s); |
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372 | } |
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373 | |
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374 | OutputDashedLine(""); |
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375 | OutputLine("CAVLC Header Sub-total", '~', "~~ST~~", "~~ST~~", cavlcTotalBits); |
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376 | |
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377 | // Now output the breakdowns |
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378 | OutputDashedLine("CABAC Break down by size"); |
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379 | for(UInt s=0; s<CODING_STATS_NUM_WIDTHS; s++) |
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380 | { |
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381 | SStat subTotalCabac, subTotalEP; |
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382 | for(UInt c=0; c<CODING_STATS_NUM_SUBCLASSES; c+=CODING_STATS_NUM_WIDTHS) |
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383 | { |
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384 | subTotalCabac+=statTotals_cabac[c+s]; |
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385 | subTotalEP+=statTotals_ep[c+s]; |
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386 | } |
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387 | if (subTotalCabac.bits!=0 || subTotalEP.bits!=0) |
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388 | { |
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389 | OutputLine("CABAC by size Sub-total", '=', s, "All", subTotalCabac, subTotalEP); |
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390 | } |
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391 | } |
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392 | OutputDashedLine("Break down by component/Channel type"); |
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393 | for(UInt c=0; c<CODING_STATS_NUM_SUBCLASSES; c+=CODING_STATS_NUM_WIDTHS) |
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394 | { |
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395 | SStat subTotalCabac, subTotalEP; |
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396 | for(UInt s=0; s<CODING_STATS_NUM_WIDTHS; s++) |
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397 | { |
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398 | subTotalCabac+=statTotals_cabac[c+s]; |
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399 | subTotalEP+=statTotals_ep[c+s]; |
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400 | } |
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401 | if (subTotalCabac.bits!=0 || subTotalEP.bits!=0) |
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402 | { |
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403 | OutputLine("CABAC by type Sub-total", '=', "-", TComCodingStatisticsClassType::GetSubClassString(c), subTotalCabac, subTotalEP); |
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404 | } |
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405 | } |
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406 | OutputDashedLine("Break down by size and component/Channel type"); |
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407 | for(UInt c=0; c<CODING_STATS_NUM_SUBCLASSES; c+=CODING_STATS_NUM_WIDTHS) |
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408 | { |
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409 | for(UInt s=0; s<CODING_STATS_NUM_WIDTHS; s++) |
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410 | { |
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411 | SStat subTotalCabac, subTotalEP; |
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412 | subTotalCabac+=statTotals_cabac[c+s]; |
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413 | subTotalEP+=statTotals_ep[c+s]; |
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414 | if (subTotalCabac.bits!=0 || subTotalEP.bits!=0) |
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415 | { |
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416 | OutputLine("CABAC by size and type Sub-total", '=', s, TComCodingStatisticsClassType::GetSubClassString(c), subTotalCabac, subTotalEP); |
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417 | } |
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418 | } |
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419 | } |
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420 | |
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421 | OutputDashedLine(""); |
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422 | OutputLine("CABAC Sub-total", '~', "~~ST~~", "~~ST~~", cabacTotalBits, epTotalBits); |
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423 | OutputLine("CAVLC Header Sub-total", '~', "~~ST~~", "~~ST~~", cavlcTotalBits); |
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424 | OutputDashedLine("GRAND TOTAL"); |
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425 | epTotalBits+=cavlcTotalBits; |
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426 | OutputLine("TOTAL", '~', "~~GT~~", "~~GT~~", cabacTotalBits, epTotalBits); |
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427 | } |
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428 | |
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429 | |
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430 | public: |
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431 | static TComCodingStatistics& GetSingletonInstance() |
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432 | { |
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433 | static TComCodingStatistics inst; |
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434 | return inst; |
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435 | } |
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436 | |
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437 | static const TComCodingStatisticsData &GetStatistics() { return GetSingletonInstance().data; } |
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438 | static Void SetStatistics(const TComCodingStatisticsData &src) { GetSingletonInstance().data=src; } |
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439 | |
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440 | static SStat &GetStatisticEP(const TComCodingStatisticsClassType &stat) { return GetSingletonInstance().data.statistics_ep[stat.type][stat.subClass]; } |
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441 | |
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442 | static SStat &GetStatisticEP(const std::string &str) { return GetSingletonInstance().data.mappings_ep[str]; } |
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443 | |
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444 | static SStat &GetStatisticEP(const TChar *pKey) {return GetStatisticEP(std::string(pKey)); } |
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445 | |
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446 | static Void IncrementStatisticEP(const TComCodingStatisticsClassType &stat, const Int numBits, const Int value) |
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447 | { |
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448 | SStat &s=GetStatisticEP(stat); |
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449 | s.bits+=numBits; |
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450 | s.count++; |
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451 | s.sum+=value; |
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452 | } |
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453 | |
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454 | static Void IncrementStatisticEP(const std::string &str, const Int numBits, const Int value) |
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455 | { |
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456 | SStat &s=GetStatisticEP(str); |
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457 | s.bits+=numBits; |
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458 | s.count++; |
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459 | s.sum+=value; |
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460 | } |
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461 | |
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462 | static Void IncrementStatisticEP(const TChar *pKey, const Int numBits, const Int value) |
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463 | { |
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464 | SStat &s=GetStatisticEP(pKey); |
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465 | s.bits+=numBits; |
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466 | s.count++; |
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467 | s.sum+=value; |
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468 | } |
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469 | |
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470 | StatLogValue values; |
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471 | |
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472 | static Void UpdateCABACStat(const TComCodingStatisticsClassType &stat, UInt uiRangeBefore, UInt uiRangeAfter, Int val) |
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473 | { |
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474 | TComCodingStatistics &inst=GetSingletonInstance(); |
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475 | // doing rangeBefore*p(x)=rangeAfter |
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476 | // p(x)=rangeAfter/rangeBefore |
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477 | // entropy = -log2(p(x))=-log(p(x))/log(2) = -(log rangeAfter - log rangeBefore) / log(2) = (log rangeBefore / log 2 - log rangeAfter / log 2) |
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478 | SStat &s=inst.data.statistics[stat.type][stat.subClass]; |
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479 | s.bits+=inst.values.values[uiRangeBefore]-inst.values.values[uiRangeAfter]; |
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480 | s.count++; |
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481 | s.sum+=val; |
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482 | } |
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483 | }; |
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484 | |
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485 | #endif |
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