Chris@49
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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 and 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 "FeatureExtractionPluginFactory.h"
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17 #include "PluginIdentifier.h"
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18
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19 #include <vamp-hostsdk/PluginHostAdapter.h>
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20 #include <vamp-hostsdk/PluginWrapper.h>
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21
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22 #include "system/System.h"
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23
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24 #include "PluginScan.h"
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25
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26 #include <QDir>
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27 #include <QFile>
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28 #include <QFileInfo>
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29 #include <QTextStream>
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30
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31 #include <iostream>
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32
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33 #include "base/Profiler.h"
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34
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35 using namespace std;
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36
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37 //#define DEBUG_PLUGIN_SCAN_AND_INSTANTIATE 1
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38
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39 class PluginDeletionNotifyAdapter : public Vamp::HostExt::PluginWrapper {
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40 public:
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41 PluginDeletionNotifyAdapter(Vamp::Plugin *plugin,
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42 FeatureExtractionPluginFactory *factory) :
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43 PluginWrapper(plugin), m_factory(factory) { }
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44 virtual ~PluginDeletionNotifyAdapter();
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45 protected:
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46 FeatureExtractionPluginFactory *m_factory;
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47 };
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48
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49 PluginDeletionNotifyAdapter::~PluginDeletionNotifyAdapter()
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50 {
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51 // see notes in vamp-sdk/hostext/PluginLoader.cpp from which this is drawn
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52 Vamp::Plugin *p = m_plugin;
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53 delete m_plugin;
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54 m_plugin = 0;
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55 // acceptable use after free here, as pluginDeleted uses p only as
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56 // pointer key and does not deref it
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57 if (m_factory) m_factory->pluginDeleted(p);
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58 }
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59
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60 static FeatureExtractionPluginFactory *_nativeInstance = 0;
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61
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62 FeatureExtractionPluginFactory *
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63 FeatureExtractionPluginFactory::instance(QString pluginType)
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64 {
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Chris@71
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65 if (pluginType == "vamp") {
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Chris@0
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66 if (!_nativeInstance) {
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Chris@690
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67 // SVDEBUG << "FeatureExtractionPluginFactory::instance(" << pluginType// << "): creating new FeatureExtractionPluginFactory" << endl;
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68 _nativeInstance = new FeatureExtractionPluginFactory();
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69 }
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70 return _nativeInstance;
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71 }
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72
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73 else return 0;
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74 }
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75
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76 FeatureExtractionPluginFactory *
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77 FeatureExtractionPluginFactory::instanceFor(QString identifier)
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78 {
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79 QString type, soName, label;
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80 PluginIdentifier::parseIdentifier(identifier, type, soName, label);
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81 return instance(type);
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82 }
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83
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84 vector<QString>
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85 FeatureExtractionPluginFactory::getPluginPath()
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86 {
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87 if (!m_pluginPath.empty()) return m_pluginPath;
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88
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89 vector<string> p = Vamp::PluginHostAdapter::getPluginPath();
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90 for (size_t i = 0; i < p.size(); ++i) m_pluginPath.push_back(p[i].c_str());
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91 return m_pluginPath;
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92 }
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93
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94 vector<QString>
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95 FeatureExtractionPluginFactory::getAllPluginIdentifiers()
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96 {
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97 FeatureExtractionPluginFactory *factory;
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98 vector<QString> rv;
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99
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100 factory = instance("vamp");
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101 if (factory) {
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102 vector<QString> tmp = factory->getPluginIdentifiers();
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103 for (size_t i = 0; i < tmp.size(); ++i) {
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104 // cerr << "identifier: " << tmp[i] << endl;
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105 rv.push_back(tmp[i]);
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106 }
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107 }
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108
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109 // Plugins can change the locale, revert it to default.
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110 RestoreStartupLocale();
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111
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112 return rv;
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113 }
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114
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115 vector<QString>
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116 FeatureExtractionPluginFactory::getPluginIdentifiers()
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117 {
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118 Profiler profiler("FeatureExtractionPluginFactory::getPluginIdentifiers");
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119
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120 vector<QString> rv;
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121
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122 QStringList candidates =
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123 PluginScan::getInstance()->getCandidateVampLibraries();
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124
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125 for (QString soname : candidates) {
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126
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127 void *libraryHandle = DLOPEN(soname, RTLD_LAZY | RTLD_LOCAL);
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128
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129 if (!libraryHandle) {
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130 cerr << "WARNING: FeatureExtractionPluginFactory::getPluginIdentifiers: Failed to load library " << soname << ": " << DLERROR() << endl;
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131 continue;
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132 }
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133
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134 VampGetPluginDescriptorFunction fn = (VampGetPluginDescriptorFunction)
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135 DLSYM(libraryHandle, "vampGetPluginDescriptor");
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136
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137 if (!fn) {
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138 cerr << "WARNING: FeatureExtractionPluginFactory::getPluginIdentifiers: No descriptor function in " << soname << endl;
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139 if (DLCLOSE(libraryHandle) != 0) {
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140 cerr << "WARNING: FeatureExtractionPluginFactory::getPluginIdentifiers: Failed to unload library " << soname << endl;
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141 }
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142 continue;
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143 }
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144
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145 #ifdef DEBUG_PLUGIN_SCAN_AND_INSTANTIATE
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146 cerr << "FeatureExtractionPluginFactory::getPluginIdentifiers: Vamp descriptor found" << endl;
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147 #endif
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148
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149 const VampPluginDescriptor *descriptor = 0;
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150 int index = 0;
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151
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152 map<string, int> known;
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153 bool ok = true;
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154
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155 while ((descriptor = fn(VAMP_API_VERSION, index))) {
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156
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157 if (known.find(descriptor->identifier) != known.end()) {
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158 cerr << "WARNING: FeatureExtractionPluginFactory::getPluginIdentifiers: Plugin library "
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159 << soname
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160 << " returns the same plugin identifier \""
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161 << descriptor->identifier << "\" at indices "
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162 << known[descriptor->identifier] << " and "
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163 << index << endl;
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164 cerr << "FeatureExtractionPluginFactory::getPluginIdentifiers: Avoiding this library (obsolete API?)" << endl;
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165 ok = false;
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166 break;
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167 } else {
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168 known[descriptor->identifier] = index;
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169 }
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170
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171 ++index;
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172 }
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173
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174 if (ok) {
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175
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176 index = 0;
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177
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178 while ((descriptor = fn(VAMP_API_VERSION, index))) {
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179
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180 QString id = PluginIdentifier::createIdentifier
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181 ("vamp", soname, descriptor->identifier);
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182 rv.push_back(id);
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183 #ifdef DEBUG_PLUGIN_SCAN_AND_INSTANTIATE
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184 cerr << "FeatureExtractionPluginFactory::getPluginIdentifiers: Found plugin id " << id << " at index " << index << endl;
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185 #endif
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186 ++index;
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187 }
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188 }
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189
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190 if (DLCLOSE(libraryHandle) != 0) {
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191 cerr << "WARNING: FeatureExtractionPluginFactory::getPluginIdentifiers: Failed to unload library " << soname << endl;
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192 }
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193 }
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194
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195 generateTaxonomy();
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196
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197 return rv;
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198 }
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199
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200 QString
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201 FeatureExtractionPluginFactory::findPluginFile(QString soname, QString inDir)
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202 {
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203 QString file = "";
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204
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205 #ifdef DEBUG_PLUGIN_SCAN_AND_INSTANTIATE
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206 cerr << "FeatureExtractionPluginFactory::findPluginFile(\""
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207 << soname << "\", \"" << inDir << "\")"
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208 << endl;
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209 #endif
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210
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211 if (inDir != "") {
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212
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213 QDir dir(inDir, PLUGIN_GLOB,
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214 QDir::Name | QDir::IgnoreCase,
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215 QDir::Files | QDir::Readable);
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216 if (!dir.exists()) return "";
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217
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218 file = dir.filePath(QFileInfo(soname).fileName());
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219
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220 if (QFileInfo(file).exists() && QFileInfo(file).isFile()) {
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221
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222 #ifdef DEBUG_PLUGIN_SCAN_AND_INSTANTIATE
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223 cerr << "FeatureExtractionPluginFactory::findPluginFile: "
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224 << "found trivially at " << file << endl;
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225 #endif
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226
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227 return file;
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228 }
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229
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230 for (unsigned int j = 0; j < dir.count(); ++j) {
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231 file = dir.filePath(dir[j]);
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232 if (QFileInfo(file).baseName() == QFileInfo(soname).baseName()) {
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233
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234 #ifdef DEBUG_PLUGIN_SCAN_AND_INSTANTIATE
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235 cerr << "FeatureExtractionPluginFactory::findPluginFile: "
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236 << "found \"" << soname << "\" at " << file << endl;
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Chris@249
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237 #endif
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238
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239 return file;
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240 }
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241 }
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242
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243 #ifdef DEBUG_PLUGIN_SCAN_AND_INSTANTIATE
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244 cerr << "FeatureExtractionPluginFactory::findPluginFile (with dir): "
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245 << "not found" << endl;
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Chris@249
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246 #endif
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247
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Chris@66
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248 return "";
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249
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Chris@66
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250 } else {
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251
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252 QFileInfo fi(soname);
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253
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254 if (fi.isAbsolute() && fi.exists() && fi.isFile()) {
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255 #ifdef DEBUG_PLUGIN_SCAN_AND_INSTANTIATE
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Chris@1140
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256 cerr << "FeatureExtractionPluginFactory::findPluginFile: "
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Chris@687
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257 << "found trivially at " << soname << endl;
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Chris@249
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258 #endif
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Chris@249
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259 return soname;
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260 }
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261
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262 if (fi.isAbsolute() && fi.absolutePath() != "") {
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263 file = findPluginFile(soname, fi.absolutePath());
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264 if (file != "") return file;
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Chris@66
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265 }
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266
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267 vector<QString> path = getPluginPath();
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268 for (vector<QString>::iterator i = path.begin();
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269 i != path.end(); ++i) {
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Chris@66
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270 if (*i != "") {
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271 file = findPluginFile(soname, *i);
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Chris@66
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272 if (file != "") return file;
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Chris@66
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273 }
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Chris@66
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274 }
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Chris@66
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275
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276 #ifdef DEBUG_PLUGIN_SCAN_AND_INSTANTIATE
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Chris@1140
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277 cerr << "FeatureExtractionPluginFactory::findPluginFile: "
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Chris@687
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278 << "not found" << endl;
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Chris@249
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279 #endif
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280
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Chris@66
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281 return "";
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Chris@66
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282 }
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Chris@66
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283 }
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284
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285 Vamp::Plugin *
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286 FeatureExtractionPluginFactory::instantiatePlugin(QString identifier,
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287 sv_samplerate_t inputSampleRate)
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288 {
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Chris@408
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289 Profiler profiler("FeatureExtractionPluginFactory::instantiatePlugin");
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Chris@408
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290
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Chris@66
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291 Vamp::Plugin *rv = 0;
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Chris@298
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292 Vamp::PluginHostAdapter *plugin = 0;
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Chris@66
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293
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294 const VampPluginDescriptor *descriptor = 0;
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Chris@66
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295 int index = 0;
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Chris@66
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296
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Chris@66
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297 QString type, soname, label;
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298 PluginIdentifier::parseIdentifier(identifier, type, soname, label);
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Chris@71
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299 if (type != "vamp") {
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Chris@1167
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300 #ifdef DEBUG_PLUGIN_SCAN_AND_INSTANTIATE
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Chris@1167
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301 cerr << "FeatureExtractionPluginFactory::instantiatePlugin: Wrong factory for plugin type " << type << endl;
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Chris@1167
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302 #endif
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Chris@0
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303 return 0;
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Chris@0
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304 }
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Chris@0
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305
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Chris@66
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306 QString found = findPluginFile(soname);
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Chris@66
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307
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Chris@66
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308 if (found == "") {
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Chris@843
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309 cerr << "FeatureExtractionPluginFactory::instantiatePlugin: Failed to find library file " << soname << endl;
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Chris@117
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310 return 0;
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Chris@66
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311 } else if (found != soname) {
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Chris@249
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312
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Chris@249
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313 #ifdef DEBUG_PLUGIN_SCAN_AND_INSTANTIATE
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Chris@1140
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314 cerr << "FeatureExtractionPluginFactory::instantiatePlugin: Given library name was " << soname << ", found at " << found << endl;
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Chris@843
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315 cerr << soname << " -> " << found << endl;
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Chris@249
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316 #endif
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Chris@249
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317
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Chris@249
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318 }
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Chris@0
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319
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Chris@66
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320 soname = found;
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Chris@66
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321
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Chris@435
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322 void *libraryHandle = DLOPEN(soname, RTLD_LAZY | RTLD_LOCAL);
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Chris@66
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323
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Chris@66
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324 if (!libraryHandle) {
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Chris@843
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325 cerr << "FeatureExtractionPluginFactory::instantiatePlugin: Failed to load library " << soname << ": " << DLERROR() << endl;
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Chris@66
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326 return 0;
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Chris@19
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327 }
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Chris@19
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328
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Chris@66
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329 VampGetPluginDescriptorFunction fn = (VampGetPluginDescriptorFunction)
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Chris@66
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330 DLSYM(libraryHandle, "vampGetPluginDescriptor");
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Chris@66
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331
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Chris@66
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332 if (!fn) {
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Chris@1140
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333 cerr << "FeatureExtractionPluginFactory::instantiatePlugin: No descriptor function in " << soname << endl;
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Chris@66
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334 goto done;
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Chris@0
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335 }
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Chris@0
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336
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Chris@239
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337 while ((descriptor = fn(VAMP_API_VERSION, index))) {
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Chris@238
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338 if (label == descriptor->identifier) break;
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Chris@66
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339 ++index;
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Chris@47
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340 }
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Chris@47
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341
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Chris@66
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342 if (!descriptor) {
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Chris@843
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343 cerr << "FeatureExtractionPluginFactory::instantiatePlugin: Failed to find plugin \"" << label << "\" in library " << soname << endl;
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Chris@66
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344 goto done;
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Martin@37
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345 }
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Martin@37
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346
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Chris@1040
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347 plugin = new Vamp::PluginHostAdapter(descriptor, float(inputSampleRate));
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Chris@298
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348
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Chris@298
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349 if (plugin) {
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Chris@298
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350 m_handleMap[plugin] = libraryHandle;
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Chris@298
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351 rv = new PluginDeletionNotifyAdapter(plugin, this);
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Chris@298
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352 }
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Chris@66
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353
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Chris@690
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354 // SVDEBUG << "FeatureExtractionPluginFactory::instantiatePlugin: Constructed Vamp plugin, rv is " << rv << endl;
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Chris@79
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355
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Chris@66
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356 //!!! need to dlclose() when plugins from a given library are unloaded
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Chris@66
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357
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Chris@66
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358 done:
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Chris@66
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359 if (!rv) {
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Chris@66
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360 if (DLCLOSE(libraryHandle) != 0) {
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Chris@843
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361 cerr << "WARNING: FeatureExtractionPluginFactory::instantiatePlugin: Failed to unload library " << soname << endl;
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Chris@66
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362 }
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Chris@66
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363 }
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Chris@73
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364
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Chris@1167
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365 #ifdef DEBUG_PLUGIN_SCAN_AND_INSTANTIATE
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Chris@1167
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366 cerr << "FeatureExtractionPluginFactory::instantiatePlugin: Instantiated plugin " << label << " from library " << soname << ": descriptor " << descriptor << ", rv "<< rv << ", label " << rv->getName() << ", outputs " << rv->getOutputDescriptors().size() << endl;
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Chris@1167
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367 #endif
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Chris@73
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368
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Chris@66
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369 return rv;
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Chris@0
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370 }
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Chris@0
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371
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Chris@298
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372 void
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Chris@298
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373 FeatureExtractionPluginFactory::pluginDeleted(Vamp::Plugin *plugin)
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Chris@298
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374 {
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Chris@298
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375 void *handle = m_handleMap[plugin];
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Chris@298
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376 if (handle) {
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Chris@1167
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377 #ifdef DEBUG_PLUGIN_SCAN_AND_INSTANTIATE
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Chris@1167
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378 cerr << "unloading library " << handle << " for plugin " << plugin << endl;
|
Chris@1167
|
379 #endif
|
Chris@298
|
380 DLCLOSE(handle);
|
Chris@298
|
381 }
|
Chris@298
|
382 m_handleMap.erase(plugin);
|
Chris@298
|
383 }
|
Chris@298
|
384
|
Chris@165
|
385 QString
|
Chris@165
|
386 FeatureExtractionPluginFactory::getPluginCategory(QString identifier)
|
Chris@165
|
387 {
|
Chris@165
|
388 return m_taxonomy[identifier];
|
Chris@165
|
389 }
|
Chris@165
|
390
|
Chris@165
|
391 void
|
Chris@165
|
392 FeatureExtractionPluginFactory::generateTaxonomy()
|
Chris@165
|
393 {
|
Chris@1164
|
394 vector<QString> pluginPath = getPluginPath();
|
Chris@1164
|
395 vector<QString> path;
|
Chris@165
|
396
|
Chris@165
|
397 for (size_t i = 0; i < pluginPath.size(); ++i) {
|
Chris@165
|
398 if (pluginPath[i].contains("/lib/")) {
|
Chris@165
|
399 QString p(pluginPath[i]);
|
Chris@165
|
400 path.push_back(p);
|
Chris@165
|
401 p.replace("/lib/", "/share/");
|
Chris@165
|
402 path.push_back(p);
|
Chris@165
|
403 }
|
Chris@165
|
404 path.push_back(pluginPath[i]);
|
Chris@165
|
405 }
|
Chris@165
|
406
|
Chris@165
|
407 for (size_t i = 0; i < path.size(); ++i) {
|
Chris@165
|
408
|
Chris@165
|
409 QDir dir(path[i], "*.cat");
|
Chris@165
|
410
|
Chris@690
|
411 // SVDEBUG << "LADSPAPluginFactory::generateFallbackCategories: directory " << path[i] << " has " << dir.count() << " .cat files" << endl;
|
Chris@165
|
412 for (unsigned int j = 0; j < dir.count(); ++j) {
|
Chris@165
|
413
|
Chris@165
|
414 QFile file(path[i] + "/" + dir[j]);
|
Chris@165
|
415
|
Chris@690
|
416 // SVDEBUG << "LADSPAPluginFactory::generateFallbackCategories: about to open " << (path[i]+ "/" + dir[j]) << endl;
|
Chris@165
|
417
|
Chris@165
|
418 if (file.open(QIODevice::ReadOnly)) {
|
Chris@843
|
419 // cerr << "...opened" << endl;
|
Chris@165
|
420 QTextStream stream(&file);
|
Chris@165
|
421 QString line;
|
Chris@165
|
422
|
Chris@165
|
423 while (!stream.atEnd()) {
|
Chris@165
|
424 line = stream.readLine();
|
Chris@843
|
425 // cerr << "line is: \"" << line << "\"" << endl;
|
Chris@165
|
426 QString id = PluginIdentifier::canonicalise
|
Chris@165
|
427 (line.section("::", 0, 0));
|
Chris@165
|
428 QString cat = line.section("::", 1, 1);
|
Chris@165
|
429 m_taxonomy[id] = cat;
|
Chris@843
|
430 // cerr << "FeatureExtractionPluginFactory: set id \"" << id << "\" to cat \"" << cat << "\"" << endl;
|
Chris@165
|
431 }
|
Chris@165
|
432 }
|
Chris@165
|
433 }
|
Chris@165
|
434 }
|
Chris@165
|
435 }
|