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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 2008-2012 QMUL.
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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 "PluginRDFDescription.h"
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17
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18 #include "PluginRDFIndexer.h"
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19
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20 #include "base/Profiler.h"
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21
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22 #include "plugin/PluginIdentifier.h"
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23
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24 #include <dataquay/BasicStore.h>
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25
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26 #include <iostream>
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27 using std::cerr;
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28 using std::endl;
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29
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30 using Dataquay::Uri;
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31 using Dataquay::Node;
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32 using Dataquay::Nodes;
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33 using Dataquay::Triple;
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34 using Dataquay::Triples;
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35 using Dataquay::BasicStore;
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36
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37 PluginRDFDescription::PluginRDFDescription(QString pluginId) :
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38 m_pluginId(pluginId),
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39 m_haveDescription(false)
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40 {
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41 PluginRDFIndexer *indexer = PluginRDFIndexer::getInstance();
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42 m_pluginUri = indexer->getURIForPluginId(pluginId);
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43 if (m_pluginUri == "") {
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44 cerr << "PluginRDFDescription: WARNING: No RDF description available for plugin ID \""
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45 << pluginId << "\"" << endl;
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46 } else {
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47 // All the data we need should be in our RDF model already:
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48 // if it's not there, we don't know where to find it anyway
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49 if (index()) {
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50 m_haveDescription = true;
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51 }
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52 }
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53 }
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54
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55 PluginRDFDescription::~PluginRDFDescription()
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56 {
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57 }
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58
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59 bool
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60 PluginRDFDescription::haveDescription() const
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61 {
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62 return m_haveDescription;
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63 }
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64
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65 QString
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66 PluginRDFDescription::getPluginName() const
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67 {
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68 return m_pluginName;
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69 }
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70
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71 QString
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72 PluginRDFDescription::getPluginDescription() const
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73 {
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74 return m_pluginDescription;
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75 }
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76
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77 QString
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78 PluginRDFDescription::getPluginMaker() const
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79 {
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80 return m_pluginMaker;
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81 }
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82
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83 QString
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84 PluginRDFDescription::getPluginInfoURL() const
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85 {
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86 return m_pluginInfoURL;
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87 }
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88
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89 QStringList
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90 PluginRDFDescription::getOutputIds() const
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91 {
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92 QStringList ids;
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93 for (OutputDispositionMap::const_iterator i = m_outputDispositions.begin();
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94 i != m_outputDispositions.end(); ++i) {
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95 ids.push_back(i->first);
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96 }
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97 return ids;
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98 }
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99
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100 QString
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101 PluginRDFDescription::getOutputName(QString outputId) const
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102 {
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103 if (m_outputNames.find(outputId) == m_outputNames.end()) {
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104 return "";
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105 }
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106 return m_outputNames.find(outputId)->second;
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107 }
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108
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109 PluginRDFDescription::OutputDisposition
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110 PluginRDFDescription::getOutputDisposition(QString outputId) const
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111 {
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112 if (m_outputDispositions.find(outputId) == m_outputDispositions.end()) {
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113 return OutputDispositionUnknown;
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114 }
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115 return m_outputDispositions.find(outputId)->second;
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116 }
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117
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118 QString
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119 PluginRDFDescription::getOutputEventTypeURI(QString outputId) const
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120 {
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121 if (m_outputEventTypeURIMap.find(outputId) ==
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122 m_outputEventTypeURIMap.end()) {
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123 return "";
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124 }
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125 return m_outputEventTypeURIMap.find(outputId)->second;
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126 }
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127
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128 QString
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129 PluginRDFDescription::getOutputFeatureAttributeURI(QString outputId) const
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130 {
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131 if (m_outputFeatureAttributeURIMap.find(outputId) ==
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132 m_outputFeatureAttributeURIMap.end()) {
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133 return "";
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134 }
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135 return m_outputFeatureAttributeURIMap.find(outputId)->second;
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136 }
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137
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138 QString
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139 PluginRDFDescription::getOutputSignalTypeURI(QString outputId) const
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140 {
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141 if (m_outputSignalTypeURIMap.find(outputId) ==
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142 m_outputSignalTypeURIMap.end()) {
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143 return "";
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144 }
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145 return m_outputSignalTypeURIMap.find(outputId)->second;
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146 }
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147
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148 QString
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149 PluginRDFDescription::getOutputUnit(QString outputId) const
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150 {
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151 if (m_outputUnitMap.find(outputId) == m_outputUnitMap.end()) {
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152 return "";
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153 }
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154 return m_outputUnitMap.find(outputId)->second;
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155 }
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156
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157 QString
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158 PluginRDFDescription::getOutputUri(QString outputId) const
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159 {
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160 if (m_outputUriMap.find(outputId) == m_outputUriMap.end()) {
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161 return "";
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162 }
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163 return m_outputUriMap.find(outputId)->second;
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164 }
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165
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166 bool
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167 PluginRDFDescription::index()
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168 {
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169 Profiler profiler("PluginRDFDescription::index");
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170
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171 bool success = true;
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172 if (!indexMetadata()) success = false;
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173 if (!indexOutputs()) success = false;
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174
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175 return success;
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176 }
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177
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178 bool
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179 PluginRDFDescription::indexMetadata()
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180 {
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181 Profiler profiler("PluginRDFDescription::index");
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182
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183 PluginRDFIndexer *indexer = PluginRDFIndexer::getInstance();
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184 const BasicStore *index = indexer->getIndex();
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185 Uri plugin(m_pluginUri);
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186
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187 Node n = index->matchFirst(Triple(plugin, "vamp:name", Node())).c;
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188 if (n.type == Node::Literal && n.value != "") {
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189 m_pluginName = n.value;
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190 }
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191
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192 n = index->matchFirst(Triple(plugin, "dc:description", Node())).c;
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193 if (n.type == Node::Literal && n.value != "") {
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194 m_pluginDescription = n.value;
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195 }
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196
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197 n = index->matchFirst(Triple(plugin, "foaf:maker", Node())).c;
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198 if (n.type == Node::URI || n.type == Node::Blank) {
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199 n = index->matchFirst(Triple(n, "foaf:name", Node())).c;
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200 if (n.type == Node::Literal && n.value != "") {
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201 m_pluginMaker = n.value;
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202 }
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203 }
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204
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205 // If we have a more-information URL for this plugin, then we take
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206 // that. Otherwise, a more-information URL for the plugin library
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207 // would do nicely.
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208
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209 n = index->matchFirst(Triple(plugin, "foaf:page", Node())).c;
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210 if (n.type == Node::URI && n.value != "") {
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211 m_pluginInfoURL = n.value;
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212 }
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213
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214 n = index->matchFirst(Triple(Node(), "vamp:available_plugin", plugin)).a;
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215 if (n.value != "") {
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216 n = index->matchFirst(Triple(n, "foaf:page", Node())).c;
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217 if (n.type == Node::URI && n.value != "") {
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218 m_pluginInfoURL = n.value;
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219 }
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220 }
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221
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222 return true;
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223 }
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224
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225 bool
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226 PluginRDFDescription::indexOutputs()
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227 {
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228 Profiler profiler("PluginRDFDescription::indexOutputs");
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229
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230 PluginRDFIndexer *indexer = PluginRDFIndexer::getInstance();
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231 const BasicStore *index = indexer->getIndex();
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232 Uri plugin(m_pluginUri);
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233
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234 Nodes outputs = index->match(Triple(plugin, "vamp:output", Node())).a();
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235
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236 if (outputs.empty()) {
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237 cerr << "ERROR: PluginRDFDescription::indexURL: NOTE: No outputs defined for <"
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238 << m_pluginUri << ">" << endl;
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239 return false;
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240 }
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241
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242 foreach (Node output, outputs) {
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243
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244 if ((output.type != Node::URI && output.type != Node::Blank) ||
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245 output.value == "") {
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246 cerr << "ERROR: PluginRDFDescription::indexURL: No valid URI for output " << output << " of plugin <" << m_pluginUri << ">" << endl;
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247 return false;
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248 }
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249
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250 Node n = index->matchFirst(Triple(output, "vamp:identifier", Node())).c;
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251 if (n.type != Node::Literal || n.value == "") {
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252 cerr << "ERROR: PluginRDFDescription::indexURL: No vamp:identifier for output <" << output << ">" << endl;
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253 return false;
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254 }
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255 QString outputId = n.value;
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256
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257 n = index->matchFirst(Triple(output, "a", Node())).c;
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258 QString outputType;
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259 if (n.type == Node::URI) outputType = n.value;
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260
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261 n = index->matchFirst(Triple(output, "vamp:unit", Node())).c;
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262 QString outputUnit;
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263 if (n.type == Node::Literal) outputUnit = n.value;
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264
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265 m_outputUriMap[outputId] = output.value;
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266
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267 if (outputType.contains("DenseOutput")) {
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268 m_outputDispositions[outputId] = OutputDense;
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269 } else if (outputType.contains("SparseOutput")) {
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270 m_outputDispositions[outputId] = OutputSparse;
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271 } else if (outputType.contains("TrackLevelOutput")) {
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272 m_outputDispositions[outputId] = OutputTrackLevel;
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273 } else {
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274 m_outputDispositions[outputId] = OutputDispositionUnknown;
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275 }
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276
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277 if (outputUnit != "") {
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278 m_outputUnitMap[outputId] = outputUnit;
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279 }
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280
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281 n = index->matchFirst(Triple(output, "dc:title", Node())).c;
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282 if (n.type == Node::Literal && n.value != "") {
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283 m_outputNames[outputId] = n.value;
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284 }
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285
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286 n = index->matchFirst(Triple(output, "vamp:computes_event_type", Node())).c;
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287 if (n.type == Node::URI && n.value != "") {
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288 m_outputEventTypeURIMap[outputId] = n.value;
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289 }
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290
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291 n = index->matchFirst(Triple(output, "vamp:computes_feature", Node())).c;
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292 if (n.type == Node::URI && n.value != "") {
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293 m_outputFeatureAttributeURIMap[outputId] = n.value;
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294 }
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295
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296 n = index->matchFirst(Triple(output, "vamp:computes_signal_type", Node())).c;
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297 if (n.type == Node::URI && n.value != "") {
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298 m_outputSignalTypeURIMap[outputId] = n.value;
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299 }
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300 }
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301
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302 return true;
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303 }
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304
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