Chris@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@0: 
Chris@0: /*
Chris@0:     Sonic Visualiser
Chris@0:     An audio file viewer and annotation editor.
Chris@0:     Centre for Digital Music, Queen Mary, University of London.
Chris@0:     This file copyright 2006 Chris Cannam.
Chris@0:    
Chris@0:     This program is free software; you can redistribute it and/or
Chris@0:     modify it under the terms of the GNU General Public License as
Chris@0:     published by the Free Software Foundation; either version 2 of the
Chris@0:     License, or (at your option) any later version.  See the file
Chris@0:     COPYING included with this distribution for more information.
Chris@0: */
Chris@0: 
Chris@0: #include "TransformFactory.h"
Chris@0: 
Chris@0: #include "FeatureExtractionPluginTransform.h"
Chris@0: #include "RealTimePluginTransform.h"
Chris@0: 
Chris@0: #include "plugin/FeatureExtractionPluginFactory.h"
Chris@0: #include "plugin/RealTimePluginFactory.h"
Chris@0: #include "plugin/PluginXml.h"
Chris@0: 
Chris@0: #include "widgets/PluginParameterDialog.h"
Chris@0: 
Chris@1: #include "data/model/DenseTimeValueModel.h"
Chris@0: 
Chris@28: #include "vamp-sdk/PluginHostAdapter.h"
Chris@28: 
Chris@41: #include "sv/audioio/AudioCallbackPlaySource.h" //!!! shouldn't include here
Chris@41: 
Chris@0: #include <iostream>
Chris@0: #include <set>
Chris@0: 
Chris@0: #include <QRegExp>
Chris@0: 
Chris@0: TransformFactory *
Chris@0: TransformFactory::m_instance = new TransformFactory;
Chris@0: 
Chris@0: TransformFactory *
Chris@0: TransformFactory::getInstance()
Chris@0: {
Chris@0:     return m_instance;
Chris@0: }
Chris@0: 
Chris@0: TransformFactory::~TransformFactory()
Chris@0: {
Chris@0: }
Chris@0: 
Chris@0: TransformFactory::TransformList
Chris@0: TransformFactory::getAllTransforms()
Chris@0: {
Chris@0:     if (m_transforms.empty()) populateTransforms();
Chris@0: 
Chris@34:     std::set<TransformDesc> dset;
Chris@0:     for (TransformDescriptionMap::const_iterator i = m_transforms.begin();
Chris@0: 	 i != m_transforms.end(); ++i) {
Chris@34: 	dset.insert(i->second);
Chris@34:     }
Chris@34: 
Chris@34:     TransformList list;
Chris@34:     for (std::set<TransformDesc>::const_iterator i = dset.begin();
Chris@34: 	 i != dset.end(); ++i) {
Chris@34: 	list.push_back(*i);
Chris@0:     }
Chris@0: 
Chris@0:     return list;
Chris@0: }
Chris@0: 
Chris@0: std::vector<QString>
Chris@0: TransformFactory::getAllTransformTypes()
Chris@0: {
Chris@0:     if (m_transforms.empty()) populateTransforms();
Chris@0: 
Chris@0:     std::set<QString> types;
Chris@0:     for (TransformDescriptionMap::const_iterator i = m_transforms.begin();
Chris@0: 	 i != m_transforms.end(); ++i) {
Chris@0:         types.insert(i->second.type);
Chris@0:     }
Chris@0: 
Chris@0:     std::vector<QString> rv;
Chris@0:     for (std::set<QString>::iterator i = types.begin(); i != types.end(); ++i) {
Chris@0:         rv.push_back(*i);
Chris@0:     }
Chris@0: 
Chris@0:     return rv;
Chris@0: }
Chris@0: 
Chris@33: std::vector<QString>
Chris@33: TransformFactory::getTransformCategories(QString transformType)
Chris@33: {
Chris@33:     if (m_transforms.empty()) populateTransforms();
Chris@33: 
Chris@33:     std::set<QString> categories;
Chris@33:     for (TransformDescriptionMap::const_iterator i = m_transforms.begin();
Chris@33:          i != m_transforms.end(); ++i) {
Chris@33:         if (i->second.type == transformType) {
Chris@33:             categories.insert(i->second.category);
Chris@33:         }
Chris@33:     }
Chris@33: 
Chris@33:     bool haveEmpty = false;
Chris@33:     
Chris@33:     std::vector<QString> rv;
Chris@33:     for (std::set<QString>::iterator i = categories.begin(); 
Chris@33:          i != categories.end(); ++i) {
Chris@33:         if (*i != "") rv.push_back(*i);
Chris@33:         else haveEmpty = true;
Chris@33:     }
Chris@33: 
Chris@33:     if (haveEmpty) rv.push_back(""); // make sure empty category sorts last
Chris@33: 
Chris@33:     return rv;
Chris@33: }
Chris@33: 
Chris@33: std::vector<QString>
Chris@33: TransformFactory::getTransformMakers(QString transformType)
Chris@33: {
Chris@33:     if (m_transforms.empty()) populateTransforms();
Chris@33: 
Chris@33:     std::set<QString> makers;
Chris@33:     for (TransformDescriptionMap::const_iterator i = m_transforms.begin();
Chris@33:          i != m_transforms.end(); ++i) {
Chris@33:         if (i->second.type == transformType) {
Chris@33:             makers.insert(i->second.maker);
Chris@33:         }
Chris@33:     }
Chris@33: 
Chris@33:     bool haveEmpty = false;
Chris@33:     
Chris@33:     std::vector<QString> rv;
Chris@33:     for (std::set<QString>::iterator i = makers.begin(); 
Chris@33:          i != makers.end(); ++i) {
Chris@33:         if (*i != "") rv.push_back(*i);
Chris@33:         else haveEmpty = true;
Chris@33:     }
Chris@33: 
Chris@33:     if (haveEmpty) rv.push_back(""); // make sure empty category sorts last
Chris@33: 
Chris@33:     return rv;
Chris@33: }
Chris@33: 
Chris@0: void
Chris@0: TransformFactory::populateTransforms()
Chris@0: {
Chris@0:     TransformDescriptionMap transforms;
Chris@0: 
Chris@0:     populateFeatureExtractionPlugins(transforms);
Chris@0:     populateRealTimePlugins(transforms);
Chris@0: 
Chris@0:     // disambiguate plugins with similar descriptions
Chris@0: 
Chris@0:     std::map<QString, int> descriptions;
Chris@0: 
Chris@0:     for (TransformDescriptionMap::iterator i = transforms.begin();
Chris@0:          i != transforms.end(); ++i) {
Chris@0: 
Chris@0:         TransformDesc desc = i->second;
Chris@0: 
Chris@0: 	++descriptions[desc.description];
Chris@0: 	++descriptions[QString("%1 [%2]").arg(desc.description).arg(desc.maker)];
Chris@0:     }
Chris@0: 
Chris@0:     std::map<QString, int> counts;
Chris@0:     m_transforms.clear();
Chris@0: 
Chris@0:     for (TransformDescriptionMap::iterator i = transforms.begin();
Chris@0:          i != transforms.end(); ++i) {
Chris@0: 
Chris@0:         TransformDesc desc = i->second;
Chris@0: 	QString name = desc.name;
Chris@0:         QString description = desc.description;
Chris@0:         QString maker = desc.maker;
Chris@0: 
Chris@0: 	if (descriptions[description] > 1) {
Chris@0: 	    description = QString("%1 [%2]").arg(description).arg(maker);
Chris@0: 	    if (descriptions[description] > 1) {
Chris@0: 		description = QString("%1 <%2>")
Chris@0: 		    .arg(description).arg(++counts[description]);
Chris@0: 	    }
Chris@0: 	}
Chris@0: 
Chris@0:         desc.description = description;
Chris@0: 	m_transforms[name] = desc;
Chris@0:     }	    
Chris@0: }
Chris@0: 
Chris@0: void
Chris@0: TransformFactory::populateFeatureExtractionPlugins(TransformDescriptionMap &transforms)
Chris@0: {
Chris@0:     std::vector<QString> plugs =
Chris@0: 	FeatureExtractionPluginFactory::getAllPluginIdentifiers();
Chris@0: 
Chris@0:     for (size_t i = 0; i < plugs.size(); ++i) {
Chris@0: 
Chris@0: 	QString pluginId = plugs[i];
Chris@0: 
Chris@0: 	FeatureExtractionPluginFactory *factory =
Chris@0: 	    FeatureExtractionPluginFactory::instanceFor(pluginId);
Chris@0: 
Chris@0: 	if (!factory) {
Chris@0: 	    std::cerr << "WARNING: TransformFactory::populateTransforms: No feature extraction plugin factory for instance " << pluginId.toLocal8Bit().data() << std::endl;
Chris@0: 	    continue;
Chris@0: 	}
Chris@0: 
Chris@0: 	Vamp::Plugin *plugin = 
Chris@0: 	    factory->instantiatePlugin(pluginId, 48000);
Chris@0: 
Chris@0: 	if (!plugin) {
Chris@0: 	    std::cerr << "WARNING: TransformFactory::populateTransforms: Failed to instantiate plugin " << pluginId.toLocal8Bit().data() << std::endl;
Chris@0: 	    continue;
Chris@0: 	}
Chris@0: 		
Chris@0: 	QString pluginDescription = plugin->getDescription().c_str();
Chris@33:         QString category = factory->getPluginCategory(pluginId);
Chris@33: 
Chris@0: 	Vamp::Plugin::OutputList outputs =
Chris@0: 	    plugin->getOutputDescriptors();
Chris@0: 
Chris@0: 	for (size_t j = 0; j < outputs.size(); ++j) {
Chris@0: 
Chris@0: 	    QString transformName = QString("%1:%2")
Chris@0: 		    .arg(pluginId).arg(outputs[j].name.c_str());
Chris@0: 
Chris@0: 	    QString userDescription;
Chris@0:             QString friendlyName;
Chris@0:             QString units = outputs[j].unit.c_str();
Chris@0: 
Chris@0: 	    if (outputs.size() == 1) {
Chris@0: 		userDescription = pluginDescription;
Chris@0:                 friendlyName = pluginDescription;
Chris@0: 	    } else {
Chris@0: 		userDescription = QString("%1: %2")
Chris@0: 		    .arg(pluginDescription)
Chris@0: 		    .arg(outputs[j].description.c_str());
Chris@0:                 friendlyName = outputs[j].description.c_str();
Chris@0: 	    }
Chris@0: 
Chris@0:             bool configurable = (!plugin->getPrograms().empty() ||
Chris@0:                                  !plugin->getParameterDescriptors().empty());
Chris@0: 
Chris@0: 	    transforms[transformName] = 
Chris@34:                 TransformDesc(tr("Analysis"),
Chris@33:                               category,
Chris@0:                               transformName,
Chris@0:                               userDescription,
Chris@0:                               friendlyName,
Chris@0:                               plugin->getMaker().c_str(),
Chris@0:                               units,
Chris@0:                               configurable);
Chris@0: 	}
Chris@0:     }
Chris@0: }
Chris@0: 
Chris@0: void
Chris@0: TransformFactory::populateRealTimePlugins(TransformDescriptionMap &transforms)
Chris@0: {
Chris@0:     std::vector<QString> plugs =
Chris@0: 	RealTimePluginFactory::getAllPluginIdentifiers();
Chris@0: 
Chris@34:     static QRegExp unitRE("[\\[\\(]([A-Za-z0-9/]+)[\\)\\]]$");
Chris@0: 
Chris@0:     for (size_t i = 0; i < plugs.size(); ++i) {
Chris@0:         
Chris@0: 	QString pluginId = plugs[i];
Chris@0: 
Chris@0:         RealTimePluginFactory *factory =
Chris@0:             RealTimePluginFactory::instanceFor(pluginId);
Chris@0: 
Chris@0: 	if (!factory) {
Chris@0: 	    std::cerr << "WARNING: TransformFactory::populateTransforms: No real time plugin factory for instance " << pluginId.toLocal8Bit().data() << std::endl;
Chris@0: 	    continue;
Chris@0: 	}
Chris@0: 
Chris@0:         const RealTimePluginDescriptor *descriptor =
Chris@0:             factory->getPluginDescriptor(pluginId);
Chris@0: 
Chris@0:         if (!descriptor) {
Chris@0: 	    std::cerr << "WARNING: TransformFactory::populateTransforms: Failed to query plugin " << pluginId.toLocal8Bit().data() << std::endl;
Chris@0: 	    continue;
Chris@0: 	}
Chris@0: 	
Chris@34: //!!!        if (descriptor->controlOutputPortCount == 0 ||
Chris@34: //            descriptor->audioInputPortCount == 0) continue;
Chris@0: 
Chris@35: //        std::cout << "TransformFactory::populateRealTimePlugins: plugin " << pluginId.toStdString() << " has " << descriptor->controlOutputPortCount << " control output ports, " << descriptor->audioOutputPortCount << " audio outputs, " << descriptor->audioInputPortCount << " audio inputs" << std::endl;
Chris@0: 	
Chris@0: 	QString pluginDescription = descriptor->name.c_str();
Chris@33:         QString category = factory->getPluginCategory(pluginId);
Chris@34:         bool configurable = (descriptor->parameterCount > 0);
Chris@0: 
Chris@34:         if (descriptor->audioInputPortCount > 0) {
Chris@0: 
Chris@34:             for (size_t j = 0; j < descriptor->controlOutputPortCount; ++j) {
Chris@0: 
Chris@34:                 QString transformName = QString("%1:%2").arg(pluginId).arg(j);
Chris@34:                 QString userDescription;
Chris@34:                 QString units;
Chris@0: 
Chris@34:                 if (j < descriptor->controlOutputPortNames.size() &&
Chris@34:                     descriptor->controlOutputPortNames[j] != "") {
Chris@0: 
Chris@34:                     QString portName = descriptor->controlOutputPortNames[j].c_str();
Chris@0: 
Chris@34:                     userDescription = tr("%1: %2")
Chris@34:                         .arg(pluginDescription)
Chris@34:                         .arg(portName);
Chris@34: 
Chris@34:                     if (unitRE.indexIn(portName) >= 0) {
Chris@34:                         units = unitRE.cap(1);
Chris@34:                     }
Chris@34: 
Chris@34:                 } else if (descriptor->controlOutputPortCount > 1) {
Chris@34: 
Chris@34:                     userDescription = tr("%1: Output %2")
Chris@34:                         .arg(pluginDescription)
Chris@34:                         .arg(j + 1);
Chris@34: 
Chris@34:                 } else {
Chris@34: 
Chris@34:                     userDescription = pluginDescription;
Chris@0:                 }
Chris@0: 
Chris@0: 
Chris@34:                 transforms[transformName] = 
Chris@34:                     TransformDesc(tr("Effects Measurements"),
Chris@34:                                   category,
Chris@34:                                   transformName,
Chris@34:                                   userDescription,
Chris@34:                                   userDescription,
Chris@34:                                   descriptor->maker.c_str(),
Chris@34:                                   units,
Chris@34:                                   configurable);
Chris@34:             }
Chris@34:         }
Chris@0: 
Chris@34:         if (!descriptor->isSynth || descriptor->audioInputPortCount > 0) {
Chris@0: 
Chris@34:             if (descriptor->audioOutputPortCount > 0) {
Chris@34: 
Chris@34:                 QString transformName = QString("%1:A").arg(pluginId);
Chris@34:                 QString type = tr("Effects");
Chris@34:                 if (descriptor->audioInputPortCount == 0) {
Chris@34:                     type = tr("Generators");
Chris@34:                 }
Chris@34: 
Chris@34:                 transforms[transformName] =
Chris@34:                     TransformDesc(type,
Chris@34:                                   category,
Chris@34:                                   transformName,
Chris@34:                                   pluginDescription,
Chris@34:                                   pluginDescription,
Chris@34:                                   descriptor->maker.c_str(),
Chris@34:                                   "",
Chris@34:                                   configurable);
Chris@0:             }
Chris@34:         }
Chris@0:     }
Chris@0: }
Chris@0: 
Chris@0: QString
Chris@0: TransformFactory::getTransformDescription(TransformName name)
Chris@0: {
Chris@0:     if (m_transforms.find(name) != m_transforms.end()) {
Chris@0: 	return m_transforms[name].description;
Chris@0:     } else return "";
Chris@0: }
Chris@0: 
Chris@0: QString
Chris@0: TransformFactory::getTransformFriendlyName(TransformName name)
Chris@0: {
Chris@0:     if (m_transforms.find(name) != m_transforms.end()) {
Chris@0: 	return m_transforms[name].friendlyName;
Chris@0:     } else return "";
Chris@0: }
Chris@0: 
Chris@0: QString
Chris@0: TransformFactory::getTransformUnits(TransformName name)
Chris@0: {
Chris@0:     if (m_transforms.find(name) != m_transforms.end()) {
Chris@0: 	return m_transforms[name].units;
Chris@0:     } else return "";
Chris@0: }
Chris@0: 
Chris@0: bool
Chris@0: TransformFactory::isTransformConfigurable(TransformName name)
Chris@0: {
Chris@0:     if (m_transforms.find(name) != m_transforms.end()) {
Chris@0: 	return m_transforms[name].configurable;
Chris@0:     } else return false;
Chris@0: }
Chris@0: 
Chris@0: bool
Chris@0: TransformFactory::getTransformChannelRange(TransformName name,
Chris@0:                                            int &min, int &max)
Chris@0: {
Chris@0:     QString id = name.section(':', 0, 2);
Chris@0: 
Chris@0:     if (FeatureExtractionPluginFactory::instanceFor(id)) {
Chris@0: 
Chris@0:         Vamp::Plugin *plugin = 
Chris@0:             FeatureExtractionPluginFactory::instanceFor(id)->
Chris@0:             instantiatePlugin(id, 48000);
Chris@0:         if (!plugin) return false;
Chris@0: 
Chris@0:         min = plugin->getMinChannelCount();
Chris@0:         max = plugin->getMaxChannelCount();
Chris@0:         delete plugin;
Chris@0: 
Chris@0:         return true;
Chris@0: 
Chris@0:     } else if (RealTimePluginFactory::instanceFor(id)) {
Chris@0: 
Chris@0:         const RealTimePluginDescriptor *descriptor = 
Chris@0:             RealTimePluginFactory::instanceFor(id)->
Chris@0:             getPluginDescriptor(id);
Chris@0:         if (!descriptor) return false;
Chris@0: 
Chris@0:         min = descriptor->audioInputPortCount;
Chris@0:         max = descriptor->audioInputPortCount;
Chris@0: 
Chris@0:         return true;
Chris@0:     }
Chris@0: 
Chris@0:     return false;
Chris@0: }
Chris@0: 
Chris@0: bool
Chris@0: TransformFactory::getChannelRange(TransformName name, Vamp::PluginBase *plugin,
Chris@0:                                   int &minChannels, int &maxChannels)
Chris@0: {
Chris@0:     Vamp::Plugin *vp = 0;
Chris@28:     if ((vp = dynamic_cast<Vamp::Plugin *>(plugin)) ||
Chris@28:         (vp = dynamic_cast<Vamp::PluginHostAdapter *>(plugin))) {
Chris@0:         minChannels = vp->getMinChannelCount();
Chris@0:         maxChannels = vp->getMaxChannelCount();
Chris@0:         return true;
Chris@0:     } else {
Chris@0:         return getTransformChannelRange(name, minChannels, maxChannels);
Chris@0:     }
Chris@0: }
Chris@0: 
Chris@0: bool
Chris@0: TransformFactory::getConfigurationForTransform(TransformName name,
Chris@0:                                                Model *inputModel,
Chris@27:                                                PluginTransform::ExecutionContext &context,
Chris@41:                                                QString &configurationXml,
Chris@41:                                                AudioCallbackPlaySource *source)
Chris@0: {
Chris@0:     QString id = name.section(':', 0, 2);
Chris@0:     QString output = name.section(':', 3);
Chris@0:     
Chris@0:     bool ok = false;
Chris@0:     configurationXml = m_lastConfigurations[name];
Chris@0: 
Chris@0: //    std::cerr << "last configuration: " << configurationXml.toStdString() << std::endl;
Chris@0: 
Chris@0:     Vamp::PluginBase *plugin = 0;
Chris@0: 
Chris@10:     bool frequency = false;
Chris@41:     bool effect = false;
Chris@10: 
Chris@0:     if (FeatureExtractionPluginFactory::instanceFor(id)) {
Chris@0: 
Chris@10:         Vamp::Plugin *vp =
Chris@10:             FeatureExtractionPluginFactory::instanceFor(id)->instantiatePlugin
Chris@0:             (id, inputModel->getSampleRate());
Chris@10:         if (vp) {
Chris@10:             plugin = vp;
Chris@10:             frequency = (vp->getInputDomain() == Vamp::Plugin::FrequencyDomain);
Chris@10:         }
Chris@0: 
Chris@0:     } else if (RealTimePluginFactory::instanceFor(id)) {
Chris@0: 
Chris@41:         RealTimePluginFactory *factory = RealTimePluginFactory::instanceFor(id);
Chris@41:         const RealTimePluginDescriptor *desc = factory->getPluginDescriptor(id);
Chris@41: 
Chris@41:         if (desc->audioInputPortCount > 0 && 
Chris@41:             desc->audioOutputPortCount > 0 &&
Chris@41:             !desc->isSynth) {
Chris@41:             effect = true;
Chris@41:         }
Chris@41: 
Chris@41:         size_t sampleRate = inputModel->getSampleRate();
Chris@41:         size_t blockSize = 1024;
Chris@41:         size_t channels = 1;
Chris@41:         if (effect && source) {
Chris@41:             sampleRate = source->getTargetSampleRate();
Chris@41:             blockSize = source->getTargetBlockSize();
Chris@41:             channels = source->getTargetChannelCount();
Chris@41:         }
Chris@41: 
Chris@41:         RealTimePluginInstance *rtp = factory->instantiatePlugin
Chris@41:             (id, 0, 0, sampleRate, blockSize, channels);
Chris@41: 
Chris@41:         plugin = rtp;
Chris@41: 
Chris@41:         if (effect && source && rtp) {
Chris@41:             source->setAuditioningPlugin(rtp);
Chris@41:         }
Chris@0:     }
Chris@0: 
Chris@0:     if (plugin) {
Chris@27: 
Chris@27:         context = PluginTransform::ExecutionContext(context.channel, plugin);
Chris@27: 
Chris@0:         if (configurationXml != "") {
Chris@0:             PluginXml(plugin).setParametersFromXml(configurationXml);
Chris@0:         }
Chris@0: 
Chris@0:         int sourceChannels = 1;
Chris@0:         if (dynamic_cast<DenseTimeValueModel *>(inputModel)) {
Chris@0:             sourceChannels = dynamic_cast<DenseTimeValueModel *>(inputModel)
Chris@0:                 ->getChannelCount();
Chris@0:         }
Chris@0: 
Chris@0:         int minChannels = 1, maxChannels = sourceChannels;
Chris@0:         getChannelRange(name, plugin, minChannels, maxChannels);
Chris@0: 
Chris@0:         int targetChannels = sourceChannels;
Chris@0:         if (sourceChannels < minChannels) targetChannels = minChannels;
Chris@0:         if (sourceChannels > maxChannels) targetChannels = maxChannels;
Chris@0: 
Chris@27:         int defaultChannel = context.channel;
Chris@0: 
Chris@0:         PluginParameterDialog *dialog = new PluginParameterDialog(plugin,
Chris@0:                                                                   sourceChannels,
Chris@0:                                                                   targetChannels,
Chris@0:                                                                   defaultChannel,
Chris@10:                                                                   output,
Chris@10:                                                                   true,
Chris@10:                                                                   frequency);
Chris@0:         if (dialog->exec() == QDialog::Accepted) {
Chris@0:             ok = true;
Chris@0:         }
Chris@42: 
Chris@0:         configurationXml = PluginXml(plugin).toXmlString();
Chris@27:         context.channel = dialog->getChannel();
Chris@26: 
Chris@27:         dialog->getProcessingParameters(context.stepSize,
Chris@27:                                         context.blockSize,
Chris@27:                                         context.windowType);
Chris@27: 
Chris@27:         context.makeConsistentWithPlugin(plugin);
Chris@26: 
Chris@0:         delete dialog;
Chris@41: 
Chris@41:         if (effect && source) {
Chris@41:             source->setAuditioningPlugin(0); // will delete our plugin
Chris@41:         } else {
Chris@41:             delete plugin;
Chris@41:         }
Chris@0:     }
Chris@0: 
Chris@0:     if (ok) m_lastConfigurations[name] = configurationXml;
Chris@0: 
Chris@0:     return ok;
Chris@0: }
Chris@0: 
Chris@0: Transform *
Chris@0: TransformFactory::createTransform(TransformName name, Model *inputModel,
Chris@27:                                   const PluginTransform::ExecutionContext &context,
Chris@27:                                   QString configurationXml, bool start)
Chris@0: {
Chris@0:     Transform *transform = 0;
Chris@0: 
Chris@0:     QString id = name.section(':', 0, 2);
Chris@0:     QString output = name.section(':', 3);
Chris@0: 
Chris@0:     if (FeatureExtractionPluginFactory::instanceFor(id)) {
Chris@0:         transform = new FeatureExtractionPluginTransform(inputModel,
Chris@0:                                                          id,
Chris@27:                                                          context,
Chris@0:                                                          configurationXml,
Chris@0:                                                          output);
Chris@0:     } else if (RealTimePluginFactory::instanceFor(id)) {
Chris@0:         transform = new RealTimePluginTransform(inputModel,
Chris@0:                                                 id,
Chris@27:                                                 context,
Chris@0:                                                 configurationXml,
Chris@0:                                                 getTransformUnits(name),
Chris@34:                                                 output == "A" ? -1 :
Chris@0:                                                 output.toInt());
Chris@0:     } else {
Chris@0:         std::cerr << "TransformFactory::createTransform: Unknown transform \""
Chris@0:                   << name.toStdString() << "\"" << std::endl;
Chris@0:         return transform;
Chris@0:     }
Chris@0: 
Chris@0:     if (start && transform) transform->start();
Chris@0:     transform->setObjectName(name);
Chris@0:     return transform;
Chris@0: }
Chris@0: 
Chris@0: Model *
Chris@0: TransformFactory::transform(TransformName name, Model *inputModel,
Chris@27:                             const PluginTransform::ExecutionContext &context,
Chris@27:                             QString configurationXml)
Chris@0: {
Chris@27:     Transform *t = createTransform(name, inputModel, context,
Chris@0:                                    configurationXml, false);
Chris@0: 
Chris@0:     if (!t) return 0;
Chris@0: 
Chris@0:     connect(t, SIGNAL(finished()), this, SLOT(transformFinished()));
Chris@0: 
Chris@0:     t->start();
Chris@0:     return t->detachOutputModel();
Chris@0: }
Chris@0: 
Chris@0: void
Chris@0: TransformFactory::transformFinished()
Chris@0: {
Chris@0:     QObject *s = sender();
Chris@0:     Transform *transform = dynamic_cast<Transform *>(s);
Chris@0:     
Chris@0:     if (!transform) {
Chris@0: 	std::cerr << "WARNING: TransformFactory::transformFinished: sender is not a transform" << std::endl;
Chris@0: 	return;
Chris@0:     }
Chris@0: 
Chris@0:     transform->wait(); // unnecessary but reassuring
Chris@0:     delete transform;
Chris@0: }
Chris@0: