Chris@320: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@320: 
Chris@320: /*
Chris@320:     Sonic Visualiser
Chris@320:     An audio file viewer and annotation editor.
Chris@320:     Centre for Digital Music, Queen Mary, University of London.
Chris@320:     This file copyright 2006 Chris Cannam and QMUL.
Chris@320:    
Chris@320:     This program is free software; you can redistribute it and/or
Chris@320:     modify it under the terms of the GNU General Public License as
Chris@320:     published by the Free Software Foundation; either version 2 of the
Chris@320:     License, or (at your option) any later version.  See the file
Chris@320:     COPYING included with this distribution for more information.
Chris@320: */
Chris@320: 
Chris@328: #include "TransformerFactory.h"
Chris@320: 
Chris@328: #include "FeatureExtractionPluginTransformer.h"
Chris@328: #include "RealTimePluginTransformer.h"
Chris@320: 
Chris@320: #include "plugin/FeatureExtractionPluginFactory.h"
Chris@320: #include "plugin/RealTimePluginFactory.h"
Chris@320: #include "plugin/PluginXml.h"
Chris@320: 
Chris@320: #include "widgets/PluginParameterDialog.h"
Chris@320: 
Chris@320: #include "data/model/DenseTimeValueModel.h"
Chris@320: 
Chris@320: #include "vamp-sdk/PluginHostAdapter.h"
Chris@320: 
Chris@320: #include "audioio/AudioCallbackPlaySource.h" //!!! shouldn't include here
Chris@320: 
Chris@320: #include <iostream>
Chris@320: #include <set>
Chris@320: 
Chris@320: #include <QRegExp>
Chris@320: 
Chris@328: TransformerFactory *
Chris@328: TransformerFactory::m_instance = new TransformerFactory;
Chris@320: 
Chris@328: TransformerFactory *
Chris@328: TransformerFactory::getInstance()
Chris@320: {
Chris@320:     return m_instance;
Chris@320: }
Chris@320: 
Chris@328: TransformerFactory::~TransformerFactory()
Chris@320: {
Chris@320: }
Chris@320: 
Chris@329: TransformList
Chris@329: TransformerFactory::getAllTransforms()
Chris@320: {
Chris@329:     if (m_transforms.empty()) populateTransforms();
Chris@320: 
Chris@329:     std::set<TransformDescription> dset;
Chris@329:     for (TransformDescriptionMap::const_iterator i = m_transforms.begin();
Chris@320: 	 i != m_transforms.end(); ++i) {
Chris@320: 	dset.insert(i->second);
Chris@320:     }
Chris@320: 
Chris@329:     TransformList list;
Chris@329:     for (std::set<TransformDescription>::const_iterator i = dset.begin();
Chris@320: 	 i != dset.end(); ++i) {
Chris@320: 	list.push_back(*i);
Chris@320:     }
Chris@320: 
Chris@320:     return list;
Chris@320: }
Chris@320: 
Chris@320: std::vector<QString>
Chris@328: TransformerFactory::getAllTransformerTypes()
Chris@320: {
Chris@329:     if (m_transforms.empty()) populateTransforms();
Chris@320: 
Chris@320:     std::set<QString> types;
Chris@329:     for (TransformDescriptionMap::const_iterator i = m_transforms.begin();
Chris@320: 	 i != m_transforms.end(); ++i) {
Chris@320:         types.insert(i->second.type);
Chris@320:     }
Chris@320: 
Chris@320:     std::vector<QString> rv;
Chris@320:     for (std::set<QString>::iterator i = types.begin(); i != types.end(); ++i) {
Chris@320:         rv.push_back(*i);
Chris@320:     }
Chris@320: 
Chris@320:     return rv;
Chris@320: }
Chris@320: 
Chris@320: std::vector<QString>
Chris@328: TransformerFactory::getTransformerCategories(QString transformType)
Chris@320: {
Chris@329:     if (m_transforms.empty()) populateTransforms();
Chris@320: 
Chris@320:     std::set<QString> categories;
Chris@329:     for (TransformDescriptionMap::const_iterator i = m_transforms.begin();
Chris@320:          i != m_transforms.end(); ++i) {
Chris@320:         if (i->second.type == transformType) {
Chris@320:             categories.insert(i->second.category);
Chris@320:         }
Chris@320:     }
Chris@320: 
Chris@320:     bool haveEmpty = false;
Chris@320:     
Chris@320:     std::vector<QString> rv;
Chris@320:     for (std::set<QString>::iterator i = categories.begin(); 
Chris@320:          i != categories.end(); ++i) {
Chris@320:         if (*i != "") rv.push_back(*i);
Chris@320:         else haveEmpty = true;
Chris@320:     }
Chris@320: 
Chris@320:     if (haveEmpty) rv.push_back(""); // make sure empty category sorts last
Chris@320: 
Chris@320:     return rv;
Chris@320: }
Chris@320: 
Chris@320: std::vector<QString>
Chris@328: TransformerFactory::getTransformerMakers(QString transformType)
Chris@320: {
Chris@329:     if (m_transforms.empty()) populateTransforms();
Chris@320: 
Chris@320:     std::set<QString> makers;
Chris@329:     for (TransformDescriptionMap::const_iterator i = m_transforms.begin();
Chris@320:          i != m_transforms.end(); ++i) {
Chris@320:         if (i->second.type == transformType) {
Chris@320:             makers.insert(i->second.maker);
Chris@320:         }
Chris@320:     }
Chris@320: 
Chris@320:     bool haveEmpty = false;
Chris@320:     
Chris@320:     std::vector<QString> rv;
Chris@320:     for (std::set<QString>::iterator i = makers.begin(); 
Chris@320:          i != makers.end(); ++i) {
Chris@320:         if (*i != "") rv.push_back(*i);
Chris@320:         else haveEmpty = true;
Chris@320:     }
Chris@320: 
Chris@320:     if (haveEmpty) rv.push_back(""); // make sure empty category sorts last
Chris@320: 
Chris@320:     return rv;
Chris@320: }
Chris@320: 
Chris@320: void
Chris@329: TransformerFactory::populateTransforms()
Chris@320: {
Chris@329:     TransformDescriptionMap transforms;
Chris@320: 
Chris@320:     populateFeatureExtractionPlugins(transforms);
Chris@320:     populateRealTimePlugins(transforms);
Chris@320: 
Chris@320:     // disambiguate plugins with similar names
Chris@320: 
Chris@320:     std::map<QString, int> names;
Chris@320:     std::map<QString, QString> pluginSources;
Chris@320:     std::map<QString, QString> pluginMakers;
Chris@320: 
Chris@329:     for (TransformDescriptionMap::iterator i = transforms.begin();
Chris@320:          i != transforms.end(); ++i) {
Chris@320: 
Chris@329:         TransformDescription desc = i->second;
Chris@320: 
Chris@320:         QString td = desc.name;
Chris@320:         QString tn = td.section(": ", 0, 0);
Chris@320:         QString pn = desc.identifier.section(":", 1, 1);
Chris@320: 
Chris@320:         if (pluginSources.find(tn) != pluginSources.end()) {
Chris@320:             if (pluginSources[tn] != pn && pluginMakers[tn] != desc.maker) {
Chris@320:                 ++names[tn];
Chris@320:             }
Chris@320:         } else {
Chris@320:             ++names[tn];
Chris@320:             pluginSources[tn] = pn;
Chris@320:             pluginMakers[tn] = desc.maker;
Chris@320:         }
Chris@320:     }
Chris@320: 
Chris@320:     std::map<QString, int> counts;
Chris@320:     m_transforms.clear();
Chris@320: 
Chris@329:     for (TransformDescriptionMap::iterator i = transforms.begin();
Chris@320:          i != transforms.end(); ++i) {
Chris@320: 
Chris@329:         TransformDescription desc = i->second;
Chris@320: 	QString identifier = desc.identifier;
Chris@320:         QString maker = desc.maker;
Chris@320: 
Chris@320:         QString td = desc.name;
Chris@320:         QString tn = td.section(": ", 0, 0);
Chris@320:         QString to = td.section(": ", 1);
Chris@320: 
Chris@320: 	if (names[tn] > 1) {
Chris@320:             maker.replace(QRegExp(tr(" [\\(<].*$")), "");
Chris@320: 	    tn = QString("%1 [%2]").arg(tn).arg(maker);
Chris@320: 	}
Chris@320: 
Chris@320:         if (to != "") {
Chris@320:             desc.name = QString("%1: %2").arg(tn).arg(to);
Chris@320:         } else {
Chris@320:             desc.name = tn;
Chris@320:         }
Chris@320: 
Chris@320: 	m_transforms[identifier] = desc;
Chris@320:     }	    
Chris@320: }
Chris@320: 
Chris@320: void
Chris@329: TransformerFactory::populateFeatureExtractionPlugins(TransformDescriptionMap &transforms)
Chris@320: {
Chris@320:     std::vector<QString> plugs =
Chris@320: 	FeatureExtractionPluginFactory::getAllPluginIdentifiers();
Chris@320: 
Chris@320:     for (size_t i = 0; i < plugs.size(); ++i) {
Chris@320: 
Chris@320: 	QString pluginId = plugs[i];
Chris@320: 
Chris@320: 	FeatureExtractionPluginFactory *factory =
Chris@320: 	    FeatureExtractionPluginFactory::instanceFor(pluginId);
Chris@320: 
Chris@320: 	if (!factory) {
Chris@329: 	    std::cerr << "WARNING: TransformerFactory::populateTransforms: No feature extraction plugin factory for instance " << pluginId.toLocal8Bit().data() << std::endl;
Chris@320: 	    continue;
Chris@320: 	}
Chris@320: 
Chris@320: 	Vamp::Plugin *plugin = 
Chris@320: 	    factory->instantiatePlugin(pluginId, 48000);
Chris@320: 
Chris@320: 	if (!plugin) {
Chris@329: 	    std::cerr << "WARNING: TransformerFactory::populateTransforms: Failed to instantiate plugin " << pluginId.toLocal8Bit().data() << std::endl;
Chris@320: 	    continue;
Chris@320: 	}
Chris@320: 		
Chris@320: 	QString pluginName = plugin->getName().c_str();
Chris@320:         QString category = factory->getPluginCategory(pluginId);
Chris@320: 
Chris@320: 	Vamp::Plugin::OutputList outputs =
Chris@320: 	    plugin->getOutputDescriptors();
Chris@320: 
Chris@320: 	for (size_t j = 0; j < outputs.size(); ++j) {
Chris@320: 
Chris@320: 	    QString transformId = QString("%1:%2")
Chris@320: 		    .arg(pluginId).arg(outputs[j].identifier.c_str());
Chris@320: 
Chris@320: 	    QString userName;
Chris@320:             QString friendlyName;
Chris@320:             QString units = outputs[j].unit.c_str();
Chris@320:             QString description = plugin->getDescription().c_str();
Chris@320:             QString maker = plugin->getMaker().c_str();
Chris@320:             if (maker == "") maker = tr("<unknown maker>");
Chris@320: 
Chris@320:             if (description == "") {
Chris@320:                 if (outputs.size() == 1) {
Chris@320:                     description = tr("Extract features using \"%1\" plugin (from %2)")
Chris@320:                         .arg(pluginName).arg(maker);
Chris@320:                 } else {
Chris@320:                     description = tr("Extract features using \"%1\" output of \"%2\" plugin (from %3)")
Chris@320:                         .arg(outputs[j].name.c_str()).arg(pluginName).arg(maker);
Chris@320:                 }
Chris@320:             } else {
Chris@320:                 if (outputs.size() == 1) {
Chris@320:                     description = tr("%1 using \"%2\" plugin (from %3)")
Chris@320:                         .arg(description).arg(pluginName).arg(maker);
Chris@320:                 } else {
Chris@320:                     description = tr("%1 using \"%2\" output of \"%3\" plugin (from %4)")
Chris@320:                         .arg(description).arg(outputs[j].name.c_str()).arg(pluginName).arg(maker);
Chris@320:                 }
Chris@320:             }                    
Chris@320: 
Chris@320: 	    if (outputs.size() == 1) {
Chris@320: 		userName = pluginName;
Chris@320:                 friendlyName = pluginName;
Chris@320: 	    } else {
Chris@320: 		userName = QString("%1: %2")
Chris@320: 		    .arg(pluginName)
Chris@320: 		    .arg(outputs[j].name.c_str());
Chris@320:                 friendlyName = outputs[j].name.c_str();
Chris@320: 	    }
Chris@320: 
Chris@320:             bool configurable = (!plugin->getPrograms().empty() ||
Chris@320:                                  !plugin->getParameterDescriptors().empty());
Chris@320: 
Chris@320: //            std::cerr << "Feature extraction plugin transform: " << transformId.toStdString() << std::endl;
Chris@320: 
Chris@320: 	    transforms[transformId] = 
Chris@329:                 TransformDescription(tr("Analysis"),
Chris@320:                               category,
Chris@320:                               transformId,
Chris@320:                               userName,
Chris@320:                               friendlyName,
Chris@320:                               description,
Chris@320:                               maker,
Chris@320:                               units,
Chris@320:                               configurable);
Chris@320: 	}
Chris@320: 
Chris@320:         delete plugin;
Chris@320:     }
Chris@320: }
Chris@320: 
Chris@320: void
Chris@329: TransformerFactory::populateRealTimePlugins(TransformDescriptionMap &transforms)
Chris@320: {
Chris@320:     std::vector<QString> plugs =
Chris@320: 	RealTimePluginFactory::getAllPluginIdentifiers();
Chris@320: 
Chris@320:     static QRegExp unitRE("[\\[\\(]([A-Za-z0-9/]+)[\\)\\]]$");
Chris@320: 
Chris@320:     for (size_t i = 0; i < plugs.size(); ++i) {
Chris@320:         
Chris@320: 	QString pluginId = plugs[i];
Chris@320: 
Chris@320:         RealTimePluginFactory *factory =
Chris@320:             RealTimePluginFactory::instanceFor(pluginId);
Chris@320: 
Chris@320: 	if (!factory) {
Chris@329: 	    std::cerr << "WARNING: TransformerFactory::populateTransforms: No real time plugin factory for instance " << pluginId.toLocal8Bit().data() << std::endl;
Chris@320: 	    continue;
Chris@320: 	}
Chris@320: 
Chris@320:         const RealTimePluginDescriptor *descriptor =
Chris@320:             factory->getPluginDescriptor(pluginId);
Chris@320: 
Chris@320:         if (!descriptor) {
Chris@329: 	    std::cerr << "WARNING: TransformerFactory::populateTransforms: Failed to query plugin " << pluginId.toLocal8Bit().data() << std::endl;
Chris@320: 	    continue;
Chris@320: 	}
Chris@320: 	
Chris@320: //!!!        if (descriptor->controlOutputPortCount == 0 ||
Chris@320: //            descriptor->audioInputPortCount == 0) continue;
Chris@320: 
Chris@328: //        std::cout << "TransformerFactory::populateRealTimePlugins: plugin " << pluginId.toStdString() << " has " << descriptor->controlOutputPortCount << " control output ports, " << descriptor->audioOutputPortCount << " audio outputs, " << descriptor->audioInputPortCount << " audio inputs" << std::endl;
Chris@320: 	
Chris@320: 	QString pluginName = descriptor->name.c_str();
Chris@320:         QString category = factory->getPluginCategory(pluginId);
Chris@320:         bool configurable = (descriptor->parameterCount > 0);
Chris@320:         QString maker = descriptor->maker.c_str();
Chris@320:         if (maker == "") maker = tr("<unknown maker>");
Chris@320: 
Chris@320:         if (descriptor->audioInputPortCount > 0) {
Chris@320: 
Chris@320:             for (size_t j = 0; j < descriptor->controlOutputPortCount; ++j) {
Chris@320: 
Chris@320:                 QString transformId = QString("%1:%2").arg(pluginId).arg(j);
Chris@320:                 QString userName;
Chris@320:                 QString units;
Chris@320:                 QString portName;
Chris@320: 
Chris@320:                 if (j < descriptor->controlOutputPortNames.size() &&
Chris@320:                     descriptor->controlOutputPortNames[j] != "") {
Chris@320: 
Chris@320:                     portName = descriptor->controlOutputPortNames[j].c_str();
Chris@320: 
Chris@320:                     userName = tr("%1: %2")
Chris@320:                         .arg(pluginName)
Chris@320:                         .arg(portName);
Chris@320: 
Chris@320:                     if (unitRE.indexIn(portName) >= 0) {
Chris@320:                         units = unitRE.cap(1);
Chris@320:                     }
Chris@320: 
Chris@320:                 } else if (descriptor->controlOutputPortCount > 1) {
Chris@320: 
Chris@320:                     userName = tr("%1: Output %2")
Chris@320:                         .arg(pluginName)
Chris@320:                         .arg(j + 1);
Chris@320: 
Chris@320:                 } else {
Chris@320: 
Chris@320:                     userName = pluginName;
Chris@320:                 }
Chris@320: 
Chris@320:                 QString description;
Chris@320: 
Chris@320:                 if (portName != "") {
Chris@320:                     description = tr("Extract \"%1\" data output from \"%2\" effect plugin (from %3)")
Chris@320:                         .arg(portName)
Chris@320:                         .arg(pluginName)
Chris@320:                         .arg(maker);
Chris@320:                 } else {
Chris@320:                     description = tr("Extract data output %1 from \"%2\" effect plugin (from %3)")
Chris@320:                         .arg(j + 1)
Chris@320:                         .arg(pluginName)
Chris@320:                         .arg(maker);
Chris@320:                 }
Chris@320: 
Chris@320:                 transforms[transformId] = 
Chris@329:                     TransformDescription(tr("Effects Data"),
Chris@320:                                   category,
Chris@320:                                   transformId,
Chris@320:                                   userName,
Chris@320:                                   userName,
Chris@320:                                   description,
Chris@320:                                   maker,
Chris@320:                                   units,
Chris@320:                                   configurable);
Chris@320:             }
Chris@320:         }
Chris@320: 
Chris@320:         if (!descriptor->isSynth || descriptor->audioInputPortCount > 0) {
Chris@320: 
Chris@320:             if (descriptor->audioOutputPortCount > 0) {
Chris@320: 
Chris@320:                 QString transformId = QString("%1:A").arg(pluginId);
Chris@320:                 QString type = tr("Effects");
Chris@320: 
Chris@328:                 QString description = tr("Transformer audio signal with \"%1\" effect plugin (from %2)")
Chris@320:                     .arg(pluginName)
Chris@320:                     .arg(maker);
Chris@320: 
Chris@320:                 if (descriptor->audioInputPortCount == 0) {
Chris@320:                     type = tr("Generators");
Chris@320:                     QString description = tr("Generate audio signal using \"%1\" plugin (from %2)")
Chris@320:                         .arg(pluginName)
Chris@320:                         .arg(maker);
Chris@320:                 }
Chris@320: 
Chris@320:                 transforms[transformId] =
Chris@329:                     TransformDescription(type,
Chris@320:                                   category,
Chris@320:                                   transformId,
Chris@320:                                   pluginName,
Chris@320:                                   pluginName,
Chris@320:                                   description,
Chris@320:                                   maker,
Chris@320:                                   "",
Chris@320:                                   configurable);
Chris@320:             }
Chris@320:         }
Chris@320:     }
Chris@320: }
Chris@320: 
Chris@326: bool
Chris@329: TransformerFactory::haveTransformer(TransformId identifier)
Chris@326: {
Chris@326:     return (m_transforms.find(identifier) != m_transforms.end());
Chris@326: }
Chris@326: 
Chris@320: QString
Chris@329: TransformerFactory::getTransformerName(TransformId identifier)
Chris@320: {
Chris@320:     if (m_transforms.find(identifier) != m_transforms.end()) {
Chris@320: 	return m_transforms[identifier].name;
Chris@320:     } else return "";
Chris@320: }
Chris@320: 
Chris@320: QString
Chris@329: TransformerFactory::getTransformerFriendlyName(TransformId identifier)
Chris@320: {
Chris@320:     if (m_transforms.find(identifier) != m_transforms.end()) {
Chris@320: 	return m_transforms[identifier].friendlyName;
Chris@320:     } else return "";
Chris@320: }
Chris@320: 
Chris@320: QString
Chris@329: TransformerFactory::getTransformerUnits(TransformId identifier)
Chris@320: {
Chris@320:     if (m_transforms.find(identifier) != m_transforms.end()) {
Chris@320: 	return m_transforms[identifier].units;
Chris@320:     } else return "";
Chris@320: }
Chris@320: 
Chris@320: bool
Chris@329: TransformerFactory::isTransformerConfigurable(TransformId identifier)
Chris@320: {
Chris@320:     if (m_transforms.find(identifier) != m_transforms.end()) {
Chris@320: 	return m_transforms[identifier].configurable;
Chris@320:     } else return false;
Chris@320: }
Chris@320: 
Chris@320: bool
Chris@329: TransformerFactory::getTransformerChannelRange(TransformId identifier,
Chris@320:                                            int &min, int &max)
Chris@320: {
Chris@320:     QString id = identifier.section(':', 0, 2);
Chris@320: 
Chris@320:     if (FeatureExtractionPluginFactory::instanceFor(id)) {
Chris@320: 
Chris@320:         Vamp::Plugin *plugin = 
Chris@320:             FeatureExtractionPluginFactory::instanceFor(id)->
Chris@320:             instantiatePlugin(id, 48000);
Chris@320:         if (!plugin) return false;
Chris@320: 
Chris@320:         min = plugin->getMinChannelCount();
Chris@320:         max = plugin->getMaxChannelCount();
Chris@320:         delete plugin;
Chris@320: 
Chris@320:         return true;
Chris@320: 
Chris@320:     } else if (RealTimePluginFactory::instanceFor(id)) {
Chris@320: 
Chris@320:         const RealTimePluginDescriptor *descriptor = 
Chris@320:             RealTimePluginFactory::instanceFor(id)->
Chris@320:             getPluginDescriptor(id);
Chris@320:         if (!descriptor) return false;
Chris@320: 
Chris@320:         min = descriptor->audioInputPortCount;
Chris@320:         max = descriptor->audioInputPortCount;
Chris@320: 
Chris@320:         return true;
Chris@320:     }
Chris@320: 
Chris@320:     return false;
Chris@320: }
Chris@320: 
Chris@320: bool
Chris@329: TransformerFactory::getChannelRange(TransformId identifier, Vamp::PluginBase *plugin,
Chris@320:                                   int &minChannels, int &maxChannels)
Chris@320: {
Chris@320:     Vamp::Plugin *vp = 0;
Chris@320:     if ((vp = dynamic_cast<Vamp::Plugin *>(plugin)) ||
Chris@320:         (vp = dynamic_cast<Vamp::PluginHostAdapter *>(plugin))) {
Chris@320:         minChannels = vp->getMinChannelCount();
Chris@320:         maxChannels = vp->getMaxChannelCount();
Chris@320:         return true;
Chris@320:     } else {
Chris@328:         return getTransformerChannelRange(identifier, minChannels, maxChannels);
Chris@320:     }
Chris@320: }
Chris@320: 
Chris@320: Model *
Chris@329: TransformerFactory::getConfigurationForTransformer(TransformId identifier,
Chris@320:                                                const std::vector<Model *> &candidateInputModels,
Chris@328:                                                PluginTransformer::ExecutionContext &context,
Chris@320:                                                QString &configurationXml,
Chris@320:                                                AudioCallbackPlaySource *source,
Chris@320:                                                size_t startFrame,
Chris@320:                                                size_t duration)
Chris@320: {
Chris@320:     if (candidateInputModels.empty()) return 0;
Chris@320: 
Chris@320:     //!!! This will need revision -- we'll have to have a callback
Chris@320:     //from the dialog for when the candidate input model is changed,
Chris@320:     //as we'll need to reinitialise the channel settings in the dialog
Chris@320:     Model *inputModel = candidateInputModels[0]; //!!! for now
Chris@320:     QStringList candidateModelNames;
Chris@320:     std::map<QString, Model *> modelMap;
Chris@320:     for (size_t i = 0; i < candidateInputModels.size(); ++i) {
Chris@320:         QString modelName = candidateInputModels[i]->objectName();
Chris@320:         QString origModelName = modelName;
Chris@320:         int dupcount = 1;
Chris@320:         while (modelMap.find(modelName) != modelMap.end()) {
Chris@320:             modelName = tr("%1 <%2>").arg(origModelName).arg(++dupcount);
Chris@320:         }
Chris@320:         modelMap[modelName] = candidateInputModels[i];
Chris@320:         candidateModelNames.push_back(modelName);
Chris@320:     }
Chris@320: 
Chris@320:     QString id = identifier.section(':', 0, 2);
Chris@320:     QString output = identifier.section(':', 3);
Chris@320:     QString outputLabel = "";
Chris@320:     QString outputDescription = "";
Chris@320:     
Chris@320:     bool ok = false;
Chris@320:     configurationXml = m_lastConfigurations[identifier];
Chris@320: 
Chris@320: //    std::cerr << "last configuration: " << configurationXml.toStdString() << std::endl;
Chris@320: 
Chris@320:     Vamp::PluginBase *plugin = 0;
Chris@320: 
Chris@320:     bool frequency = false;
Chris@320:     bool effect = false;
Chris@320:     bool generator = false;
Chris@320: 
Chris@320:     if (FeatureExtractionPluginFactory::instanceFor(id)) {
Chris@320: 
Chris@328:         std::cerr << "getConfigurationForTransformer: instantiating Vamp plugin" << std::endl;
Chris@320: 
Chris@320:         Vamp::Plugin *vp =
Chris@320:             FeatureExtractionPluginFactory::instanceFor(id)->instantiatePlugin
Chris@320:             (id, inputModel->getSampleRate());
Chris@320: 
Chris@320:         if (vp) {
Chris@320: 
Chris@320:             plugin = vp;
Chris@320:             frequency = (vp->getInputDomain() == Vamp::Plugin::FrequencyDomain);
Chris@320: 
Chris@320:             std::vector<Vamp::Plugin::OutputDescriptor> od =
Chris@320:                 vp->getOutputDescriptors();
Chris@320:             if (od.size() > 1) {
Chris@320:                 for (size_t i = 0; i < od.size(); ++i) {
Chris@320:                     if (od[i].identifier == output.toStdString()) {
Chris@320:                         outputLabel = od[i].name.c_str();
Chris@320:                         outputDescription = od[i].description.c_str();
Chris@320:                         break;
Chris@320:                     }
Chris@320:                 }
Chris@320:             }
Chris@320:         }
Chris@320: 
Chris@320:     } else if (RealTimePluginFactory::instanceFor(id)) {
Chris@320: 
Chris@320:         RealTimePluginFactory *factory = RealTimePluginFactory::instanceFor(id);
Chris@320:         const RealTimePluginDescriptor *desc = factory->getPluginDescriptor(id);
Chris@320: 
Chris@320:         if (desc->audioInputPortCount > 0 && 
Chris@320:             desc->audioOutputPortCount > 0 &&
Chris@320:             !desc->isSynth) {
Chris@320:             effect = true;
Chris@320:         }
Chris@320: 
Chris@320:         if (desc->audioInputPortCount == 0) {
Chris@320:             generator = true;
Chris@320:         }
Chris@320: 
Chris@320:         if (output != "A") {
Chris@320:             int outputNo = output.toInt();
Chris@320:             if (outputNo >= 0 && outputNo < int(desc->controlOutputPortCount)) {
Chris@320:                 outputLabel = desc->controlOutputPortNames[outputNo].c_str();
Chris@320:             }
Chris@320:         }
Chris@320: 
Chris@320:         size_t sampleRate = inputModel->getSampleRate();
Chris@320:         size_t blockSize = 1024;
Chris@320:         size_t channels = 1;
Chris@320:         if (effect && source) {
Chris@320:             sampleRate = source->getTargetSampleRate();
Chris@320:             blockSize = source->getTargetBlockSize();
Chris@320:             channels = source->getTargetChannelCount();
Chris@320:         }
Chris@320: 
Chris@320:         RealTimePluginInstance *rtp = factory->instantiatePlugin
Chris@320:             (id, 0, 0, sampleRate, blockSize, channels);
Chris@320: 
Chris@320:         plugin = rtp;
Chris@320: 
Chris@320:         if (effect && source && rtp) {
Chris@320:             source->setAuditioningPlugin(rtp);
Chris@320:         }
Chris@320:     }
Chris@320: 
Chris@320:     if (plugin) {
Chris@320: 
Chris@328:         context = PluginTransformer::ExecutionContext(context.channel, plugin);
Chris@320: 
Chris@320:         if (configurationXml != "") {
Chris@320:             PluginXml(plugin).setParametersFromXml(configurationXml);
Chris@320:         }
Chris@320: 
Chris@320:         int sourceChannels = 1;
Chris@320:         if (dynamic_cast<DenseTimeValueModel *>(inputModel)) {
Chris@320:             sourceChannels = dynamic_cast<DenseTimeValueModel *>(inputModel)
Chris@320:                 ->getChannelCount();
Chris@320:         }
Chris@320: 
Chris@320:         int minChannels = 1, maxChannels = sourceChannels;
Chris@320:         getChannelRange(identifier, plugin, minChannels, maxChannels);
Chris@320: 
Chris@320:         int targetChannels = sourceChannels;
Chris@320:         if (!effect) {
Chris@320:             if (sourceChannels < minChannels) targetChannels = minChannels;
Chris@320:             if (sourceChannels > maxChannels) targetChannels = maxChannels;
Chris@320:         }
Chris@320: 
Chris@320:         int defaultChannel = context.channel;
Chris@320: 
Chris@320:         PluginParameterDialog *dialog = new PluginParameterDialog(plugin);
Chris@320: 
Chris@320:         if (candidateModelNames.size() > 1 && !generator) {
Chris@320:             dialog->setCandidateInputModels(candidateModelNames);
Chris@320:         }
Chris@320: 
Chris@320:         if (startFrame != 0 || duration != 0) {
Chris@320:             dialog->setShowSelectionOnlyOption(true);
Chris@320:         }
Chris@320: 
Chris@320:         if (targetChannels > 0) {
Chris@320:             dialog->setChannelArrangement(sourceChannels, targetChannels,
Chris@320:                                           defaultChannel);
Chris@320:         }
Chris@320:         
Chris@320:         dialog->setOutputLabel(outputLabel, outputDescription);
Chris@320:         
Chris@320:         dialog->setShowProcessingOptions(true, frequency);
Chris@320: 
Chris@320:         if (dialog->exec() == QDialog::Accepted) {
Chris@320:             ok = true;
Chris@320:         }
Chris@320: 
Chris@320:         QString selectedInput = dialog->getInputModel();
Chris@320:         if (selectedInput != "") {
Chris@320:             if (modelMap.find(selectedInput) != modelMap.end()) {
Chris@320:                 inputModel = modelMap[selectedInput];
Chris@320:                 std::cerr << "Found selected input \"" << selectedInput.toStdString() << "\" in model map, result is " << inputModel << std::endl;
Chris@320:             } else {
Chris@320:                 std::cerr << "Failed to find selected input \"" << selectedInput.toStdString() << "\" in model map" << std::endl;
Chris@320:             }
Chris@320:         } else {
Chris@320:             std::cerr << "Selected input empty: \"" << selectedInput.toStdString() << "\"" << std::endl;
Chris@320:         }
Chris@320: 
Chris@320:         configurationXml = PluginXml(plugin).toXmlString();
Chris@320:         context.channel = dialog->getChannel();
Chris@320:         
Chris@320:         if (startFrame != 0 || duration != 0) {
Chris@320:             if (dialog->getSelectionOnly()) {
Chris@320:                 context.startFrame = startFrame;
Chris@320:                 context.duration = duration;
Chris@320:             }
Chris@320:         }
Chris@320: 
Chris@320:         dialog->getProcessingParameters(context.stepSize,
Chris@320:                                         context.blockSize,
Chris@320:                                         context.windowType);
Chris@320: 
Chris@320:         context.makeConsistentWithPlugin(plugin);
Chris@320: 
Chris@320:         delete dialog;
Chris@320: 
Chris@320:         if (effect && source) {
Chris@320:             source->setAuditioningPlugin(0); // will delete our plugin
Chris@320:         } else {
Chris@320:             delete plugin;
Chris@320:         }
Chris@320:     }
Chris@320: 
Chris@320:     if (ok) m_lastConfigurations[identifier] = configurationXml;
Chris@320: 
Chris@320:     return ok ? inputModel : 0;
Chris@320: }
Chris@320: 
Chris@328: PluginTransformer::ExecutionContext
Chris@329: TransformerFactory::getDefaultContextForTransformer(TransformId identifier,
Chris@320:                                                 Model *inputModel)
Chris@320: {
Chris@328:     PluginTransformer::ExecutionContext context(-1);
Chris@320: 
Chris@320:     QString id = identifier.section(':', 0, 2);
Chris@320: 
Chris@320:     if (FeatureExtractionPluginFactory::instanceFor(id)) {
Chris@320: 
Chris@320:         Vamp::Plugin *vp =
Chris@320:             FeatureExtractionPluginFactory::instanceFor(id)->instantiatePlugin
Chris@320:             (id, inputModel ? inputModel->getSampleRate() : 48000);
Chris@320: 
Chris@320:         if (vp) {
Chris@328:             context = PluginTransformer::ExecutionContext(-1, vp);
Chris@320:             delete vp;
Chris@320:         }
Chris@320:     }
Chris@320: 
Chris@320:     return context;
Chris@320: }
Chris@320: 
Chris@328: Transformer *
Chris@329: TransformerFactory::createTransformer(TransformId identifier, Model *inputModel,
Chris@328:                                   const PluginTransformer::ExecutionContext &context,
Chris@320:                                   QString configurationXml)
Chris@320: {
Chris@328:     Transformer *transform = 0;
Chris@320: 
Chris@320:     QString id = identifier.section(':', 0, 2);
Chris@320:     QString output = identifier.section(':', 3);
Chris@320: 
Chris@320:     if (FeatureExtractionPluginFactory::instanceFor(id)) {
Chris@328:         transform = new FeatureExtractionPluginTransformer(inputModel,
Chris@320:                                                          id,
Chris@320:                                                          context,
Chris@320:                                                          configurationXml,
Chris@320:                                                          output);
Chris@320:     } else if (RealTimePluginFactory::instanceFor(id)) {
Chris@328:         transform = new RealTimePluginTransformer(inputModel,
Chris@320:                                                 id,
Chris@320:                                                 context,
Chris@320:                                                 configurationXml,
Chris@328:                                                 getTransformerUnits(identifier),
Chris@320:                                                 output == "A" ? -1 :
Chris@320:                                                 output.toInt());
Chris@320:     } else {
Chris@328:         std::cerr << "TransformerFactory::createTransformer: Unknown transform \""
Chris@320:                   << identifier.toStdString() << "\"" << std::endl;
Chris@320:         return transform;
Chris@320:     }
Chris@320: 
Chris@320:     if (transform) transform->setObjectName(identifier);
Chris@320:     return transform;
Chris@320: }
Chris@320: 
Chris@320: Model *
Chris@329: TransformerFactory::transform(TransformId identifier, Model *inputModel,
Chris@328:                             const PluginTransformer::ExecutionContext &context,
Chris@320:                             QString configurationXml)
Chris@320: {
Chris@328:     Transformer *t = createTransformer(identifier, inputModel, context,
Chris@320:                                    configurationXml);
Chris@320: 
Chris@320:     if (!t) return 0;
Chris@320: 
Chris@320:     connect(t, SIGNAL(finished()), this, SLOT(transformFinished()));
Chris@320: 
Chris@328:     m_runningTransformers.insert(t);
Chris@320: 
Chris@320:     t->start();
Chris@320:     Model *model = t->detachOutputModel();
Chris@320: 
Chris@320:     if (model) {
Chris@320:         QString imn = inputModel->objectName();
Chris@328:         QString trn = getTransformerFriendlyName(identifier);
Chris@320:         if (imn != "") {
Chris@320:             if (trn != "") {
Chris@320:                 model->setObjectName(tr("%1: %2").arg(imn).arg(trn));
Chris@320:             } else {
Chris@320:                 model->setObjectName(imn);
Chris@320:             }
Chris@320:         } else if (trn != "") {
Chris@320:             model->setObjectName(trn);
Chris@320:         }
Chris@320:     } else {
Chris@320:         t->wait();
Chris@320:     }
Chris@320: 
Chris@320:     return model;
Chris@320: }
Chris@320: 
Chris@320: void
Chris@328: TransformerFactory::transformFinished()
Chris@320: {
Chris@320:     QObject *s = sender();
Chris@328:     Transformer *transform = dynamic_cast<Transformer *>(s);
Chris@320:     
Chris@328:     std::cerr << "TransformerFactory::transformFinished(" << transform << ")" << std::endl;
Chris@320: 
Chris@320:     if (!transform) {
Chris@328: 	std::cerr << "WARNING: TransformerFactory::transformFinished: sender is not a transform" << std::endl;
Chris@320: 	return;
Chris@320:     }
Chris@320: 
Chris@328:     if (m_runningTransformers.find(transform) == m_runningTransformers.end()) {
Chris@328:         std::cerr << "WARNING: TransformerFactory::transformFinished(" 
Chris@320:                   << transform
Chris@320:                   << "): I have no record of this transform running!"
Chris@320:                   << std::endl;
Chris@320:     }
Chris@320: 
Chris@328:     m_runningTransformers.erase(transform);
Chris@320: 
Chris@320:     transform->wait(); // unnecessary but reassuring
Chris@320:     delete transform;
Chris@320: }
Chris@320: 
Chris@320: void
Chris@328: TransformerFactory::modelAboutToBeDeleted(Model *m)
Chris@320: {
Chris@328:     TransformerSet affected;
Chris@320: 
Chris@328:     for (TransformerSet::iterator i = m_runningTransformers.begin();
Chris@328:          i != m_runningTransformers.end(); ++i) {
Chris@320: 
Chris@328:         Transformer *t = *i;
Chris@320: 
Chris@320:         if (t->getInputModel() == m || t->getOutputModel() == m) {
Chris@320:             affected.insert(t);
Chris@320:         }
Chris@320:     }
Chris@320: 
Chris@328:     for (TransformerSet::iterator i = affected.begin();
Chris@320:          i != affected.end(); ++i) {
Chris@320: 
Chris@328:         Transformer *t = *i;
Chris@320: 
Chris@320:         t->abandon();
Chris@320: 
Chris@320:         t->wait(); // this should eventually call back on
Chris@320:                    // transformFinished, which will remove from
Chris@328:                    // m_runningTransformers and delete.
Chris@320:     }
Chris@320: }
Chris@320: