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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 Sonic Visualiser
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5 An audio file viewer and annotation editor.
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6 Centre for Digital Music, Queen Mary, University of London.
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7 This file copyright 2006 Chris Cannam.
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8
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9 This program is free software; you can redistribute it and/or
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10 modify it under the terms of the GNU General Public License as
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11 published by the Free Software Foundation; either version 2 of the
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12 License, or (at your option) any later version. See the file
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13 COPYING included with this distribution for more information.
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14 */
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15
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16 #include "Model.h"
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17 #include "AlignmentModel.h"
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18
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19 #include <QTextStream>
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20
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21 #include <iostream>
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22
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23 const int Model::COMPLETION_UNKNOWN = -1;
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24
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25 Model::~Model()
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26 {
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27 // SVDEBUG << "Model::~Model(" << this << ")" << endl;
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28
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29 if (!m_aboutToDelete) {
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30 SVDEBUG << "NOTE: Model(" << this << ", \""
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31 << objectName() << "\", type uri <"
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32 << m_typeUri << ">)::~Model(): Model deleted "
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33 << "with no aboutToDelete notification"
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34 << endl;
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35 }
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36
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37 if (m_alignment) {
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38 m_alignment->aboutToDelete();
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39 delete m_alignment;
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40 }
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41 }
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42
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43 int
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44 Model::getNextId()
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45 {
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46 static int nextId = 0;
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47 static QMutex mutex;
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48 QMutexLocker locker(&mutex);
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49 int i = nextId;
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50 if (nextId == INT_MAX) {
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51 nextId = INT_MIN;
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52 }
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53 ++nextId;
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54 return i;
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55 }
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56
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57 void
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58 Model::setSourceModel(Model *model)
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59 {
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60 if (m_sourceModel) {
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61 disconnect(m_sourceModel, SIGNAL(aboutToBeDeleted()),
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62 this, SLOT(sourceModelAboutToBeDeleted()));
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63 }
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64
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65 m_sourceModel = model;
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66
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67 if (m_sourceModel) {
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68 connect(m_sourceModel, SIGNAL(alignmentCompletionChanged()),
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69 this, SIGNAL(alignmentCompletionChanged()));
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70 connect(m_sourceModel, SIGNAL(aboutToBeDeleted()),
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71 this, SLOT(sourceModelAboutToBeDeleted()));
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72 }
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73 }
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74
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75 void
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76 Model::aboutToDelete()
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77 {
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78 // SVDEBUG << "Model(" << this << ", \""
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79 // << objectName() << "\", type uri <"
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80 // << m_typeUri << ">)::aboutToDelete()" << endl;
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81
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82 if (m_aboutToDelete) {
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83 SVDEBUG << "WARNING: Model(" << this << ", \""
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84 << objectName() << "\", type uri <"
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85 << m_typeUri << ">)::aboutToDelete: "
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86 << "aboutToDelete called more than once for the same model"
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87 << endl;
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88 }
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89
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90 emit aboutToBeDeleted();
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91 m_aboutToDelete = true;
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92 }
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93
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94 void
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95 Model::sourceModelAboutToBeDeleted()
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96 {
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97 m_sourceModel = 0;
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98 }
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99
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100 void
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101 Model::setAlignment(AlignmentModel *alignment)
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102 {
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103 if (m_alignment) {
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104 m_alignment->aboutToDelete();
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105 delete m_alignment;
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106 }
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107
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108 m_alignment = alignment;
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109
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110 if (m_alignment) {
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111 connect(m_alignment, SIGNAL(completionChanged()),
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112 this, SIGNAL(alignmentCompletionChanged()));
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113 }
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114 }
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115
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116 const AlignmentModel *
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117 Model::getAlignment() const
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118 {
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119 return m_alignment;
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120 }
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121
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122 const Model *
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123 Model::getAlignmentReference() const
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124 {
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125 if (!m_alignment) {
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126 if (m_sourceModel) return m_sourceModel->getAlignmentReference();
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127 return 0;
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128 }
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129 return m_alignment->getReferenceModel();
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130 }
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131
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132 sv_frame_t
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133 Model::alignToReference(sv_frame_t frame) const
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134 {
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135 // cerr << "Model(" << this << ")::alignToReference(" << frame << ")" << endl;
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136 if (!m_alignment) {
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137 if (m_sourceModel) return m_sourceModel->alignToReference(frame);
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138 else return frame;
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139 }
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140 sv_frame_t refFrame = m_alignment->toReference(frame);
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141 const Model *m = m_alignment->getReferenceModel();
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142 if (m && refFrame > m->getEndFrame()) refFrame = m->getEndFrame();
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143 // cerr << "have alignment, aligned is " << refFrame << endl;
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144 return refFrame;
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145 }
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146
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147 sv_frame_t
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148 Model::alignFromReference(sv_frame_t refFrame) const
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149 {
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150 // cerr << "Model(" << this << ")::alignFromReference(" << refFrame << ")" << endl;
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151 if (!m_alignment) {
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152 if (m_sourceModel) return m_sourceModel->alignFromReference(refFrame);
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153 else return refFrame;
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154 }
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155 sv_frame_t frame = m_alignment->fromReference(refFrame);
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156 if (frame > getEndFrame()) frame = getEndFrame();
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157 // cerr << "have alignment, aligned is " << frame << endl;
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158 return frame;
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159 }
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160
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161 int
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162 Model::getAlignmentCompletion() const
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163 {
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164 // SVDEBUG << "Model::getAlignmentCompletion" << endl;
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165 if (!m_alignment) {
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166 if (m_sourceModel) return m_sourceModel->getAlignmentCompletion();
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167 else return 100;
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168 }
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169 int completion = 0;
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170 (void)m_alignment->isReady(&completion);
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171 // cerr << " -> " << completion << endl;
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172 return completion;
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173 }
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174
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175 QString
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176 Model::getTitle() const
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177 {
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178 if (m_sourceModel) return m_sourceModel->getTitle();
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179 else return "";
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180 }
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181
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182 QString
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183 Model::getMaker() const
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184 {
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185 if (m_sourceModel) return m_sourceModel->getMaker();
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186 else return "";
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187 }
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188
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189 QString
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190 Model::getLocation() const
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191 {
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192 if (m_sourceModel) return m_sourceModel->getLocation();
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193 else return "";
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194 }
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195
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196 void
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197 Model::toXml(QTextStream &stream, QString indent,
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198 QString extraAttributes) const
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199 {
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200 stream << indent;
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201 stream << QString("<model id=\"%1\" name=\"%2\" sampleRate=\"%3\" start=\"%4\" end=\"%5\" %6/>\n")
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202 .arg(getObjectExportId(this))
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203 .arg(encodeEntities(objectName()))
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204 .arg(getSampleRate())
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205 .arg(getStartFrame())
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206 .arg(getEndFrame())
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207 .arg(extraAttributes);
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208 }
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209
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210
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