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@331: #include "FeatureExtractionModelTransformer.h"
Chris@320: 
Chris@320: #include "plugin/FeatureExtractionPluginFactory.h"
Chris@320: #include "plugin/PluginXml.h"
Chris@475: #include <vamp-hostsdk/Plugin.h>
Chris@320: 
Chris@320: #include "data/model/Model.h"
Chris@320: #include "base/Window.h"
Chris@387: #include "base/Exceptions.h"
Chris@320: #include "data/model/SparseOneDimensionalModel.h"
Chris@320: #include "data/model/SparseTimeValueModel.h"
Chris@320: #include "data/model/EditableDenseThreeDimensionalModel.h"
Chris@320: #include "data/model/DenseTimeValueModel.h"
Chris@320: #include "data/model/NoteModel.h"
Chris@441: #include "data/model/RegionModel.h"
Chris@320: #include "data/model/FFTModel.h"
Chris@320: #include "data/model/WaveFileModel.h"
Chris@558: #include "rdf/PluginRDFDescription.h"
Chris@320: 
Chris@350: #include "TransformFactory.h"
Chris@350: 
Chris@320: #include <iostream>
Chris@320: 
Chris@350: FeatureExtractionModelTransformer::FeatureExtractionModelTransformer(Input in,
Chris@350:                                                                      const Transform &transform) :
Chris@350:     ModelTransformer(in, transform),
Chris@320:     m_plugin(0),
Chris@320:     m_descriptor(0),
Chris@320:     m_outputFeatureNo(0)
Chris@320: {
Chris@350: //    std::cerr << "FeatureExtractionModelTransformer::FeatureExtractionModelTransformer: plugin " << pluginId.toStdString() << ", outputName " << m_transform.getOutput().toStdString() << std::endl;
Chris@350: 
Chris@350:     QString pluginId = transform.getPluginIdentifier();
Chris@320: 
Chris@320:     FeatureExtractionPluginFactory *factory =
Chris@320: 	FeatureExtractionPluginFactory::instanceFor(pluginId);
Chris@320: 
Chris@320:     if (!factory) {
Chris@361:         m_message = tr("No factory available for feature extraction plugin id \"%1\" (unknown plugin type, or internal error?)").arg(pluginId);
Chris@320: 	return;
Chris@320:     }
Chris@320: 
Chris@350:     DenseTimeValueModel *input = getConformingInput();
Chris@350:     if (!input) {
Chris@361:         m_message = tr("Input model for feature extraction plugin \"%1\" is of wrong type (internal error?)").arg(pluginId);
Chris@350:         return;
Chris@350:     }
Chris@320: 
Chris@350:     m_plugin = factory->instantiatePlugin(pluginId, input->getSampleRate());
Chris@320:     if (!m_plugin) {
Chris@361:         m_message = tr("Failed to instantiate plugin \"%1\"").arg(pluginId);
Chris@320: 	return;
Chris@320:     }
Chris@320: 
Chris@350:     TransformFactory::getInstance()->makeContextConsistentWithPlugin
Chris@350:         (m_transform, m_plugin);
Chris@343: 
Chris@350:     TransformFactory::getInstance()->setPluginParameters
Chris@350:         (m_transform, m_plugin);
Chris@320: 
Chris@320:     size_t channelCount = input->getChannelCount();
Chris@320:     if (m_plugin->getMaxChannelCount() < channelCount) {
Chris@320: 	channelCount = 1;
Chris@320:     }
Chris@320:     if (m_plugin->getMinChannelCount() > channelCount) {
Chris@361:         m_message = tr("Cannot provide enough channels to feature extraction plugin \"%1\" (plugin min is %2, max %3; input model has %4)")
Chris@361:             .arg(pluginId)
Chris@361:             .arg(m_plugin->getMinChannelCount())
Chris@361:             .arg(m_plugin->getMaxChannelCount())
Chris@361:             .arg(input->getChannelCount());
Chris@320: 	return;
Chris@320:     }
Chris@320: 
Chris@320:     std::cerr << "Initialising feature extraction plugin with channels = "
Chris@350:               << channelCount << ", step = " << m_transform.getStepSize()
Chris@350:               << ", block = " << m_transform.getBlockSize() << std::endl;
Chris@320: 
Chris@320:     if (!m_plugin->initialise(channelCount,
Chris@350:                               m_transform.getStepSize(),
Chris@350:                               m_transform.getBlockSize())) {
Chris@361: 
Chris@361:         size_t pstep = m_transform.getStepSize();
Chris@361:         size_t pblock = m_transform.getBlockSize();
Chris@361: 
Chris@361:         m_transform.setStepSize(0);
Chris@361:         m_transform.setBlockSize(0);
Chris@361:         TransformFactory::getInstance()->makeContextConsistentWithPlugin
Chris@361:             (m_transform, m_plugin);
Chris@361: 
Chris@361:         if (m_transform.getStepSize() != pstep ||
Chris@361:             m_transform.getBlockSize() != pblock) {
Chris@361:             
Chris@361:             if (!m_plugin->initialise(channelCount,
Chris@361:                                       m_transform.getStepSize(),
Chris@361:                                       m_transform.getBlockSize())) {
Chris@361: 
Chris@361:                 m_message = tr("Failed to initialise feature extraction plugin \"%1\"").arg(pluginId);
Chris@361:                 return;
Chris@361: 
Chris@361:             } else {
Chris@361: 
Chris@361:                 m_message = tr("Feature extraction plugin \"%1\" rejected the given step and block sizes (%2 and %3); using plugin defaults (%4 and %5) instead")
Chris@361:                     .arg(pluginId)
Chris@361:                     .arg(pstep)
Chris@361:                     .arg(pblock)
Chris@361:                     .arg(m_transform.getStepSize())
Chris@361:                     .arg(m_transform.getBlockSize());
Chris@361:             }
Chris@361: 
Chris@361:         } else {
Chris@361: 
Chris@361:             m_message = tr("Failed to initialise feature extraction plugin \"%1\"").arg(pluginId);
Chris@361:             return;
Chris@361:         }
Chris@320:     }
Chris@320: 
Chris@366:     if (m_transform.getPluginVersion() != "") {
Chris@366:         QString pv = QString("%1").arg(m_plugin->getPluginVersion());
Chris@366:         if (pv != m_transform.getPluginVersion()) {
Chris@366:             QString vm = tr("Transform was configured for version %1 of plugin \"%2\", but the plugin being used is version %3")
Chris@366:                 .arg(m_transform.getPluginVersion())
Chris@366:                 .arg(pluginId)
Chris@366:                 .arg(pv);
Chris@366:             if (m_message != "") {
Chris@366:                 m_message = QString("%1; %2").arg(vm).arg(m_message);
Chris@366:             } else {
Chris@366:                 m_message = vm;
Chris@366:             }
Chris@366:         }
Chris@366:     }
Chris@366: 
Chris@320:     Vamp::Plugin::OutputList outputs = m_plugin->getOutputDescriptors();
Chris@320: 
Chris@320:     if (outputs.empty()) {
Chris@361:         m_message = tr("Plugin \"%1\" has no outputs").arg(pluginId);
Chris@320: 	return;
Chris@320:     }
Chris@320:     
Chris@320:     for (size_t i = 0; i < outputs.size(); ++i) {
Chris@429: //        std::cerr << "comparing output " << i << " name \"" << outputs[i].identifier << "\" with expected \"" << m_transform.getOutput().toStdString() << "\"" << std::endl;
Chris@350: 	if (m_transform.getOutput() == "" ||
Chris@350:             outputs[i].identifier == m_transform.getOutput().toStdString()) {
Chris@320: 	    m_outputFeatureNo = i;
Chris@441: 	    m_descriptor = new Vamp::Plugin::OutputDescriptor(outputs[i]);
Chris@320: 	    break;
Chris@320: 	}
Chris@320:     }
Chris@320: 
Chris@320:     if (!m_descriptor) {
Chris@361:         m_message = tr("Plugin \"%1\" has no output named \"%2\"")
Chris@361:             .arg(pluginId)
Chris@361:             .arg(m_transform.getOutput());
Chris@320: 	return;
Chris@320:     }
Chris@320: 
Chris@558:     createOutputModel();
Chris@558: }
Chris@558: 
Chris@558: void
Chris@558: FeatureExtractionModelTransformer::createOutputModel()
Chris@558: {
Chris@558:     DenseTimeValueModel *input = getConformingInput();
Chris@558: 
Chris@331: //    std::cerr << "FeatureExtractionModelTransformer: output sample type "
Chris@320: //	      << m_descriptor->sampleType << std::endl;
Chris@320: 
Chris@558:     PluginRDFDescription description(m_transform.getPluginIdentifier());
Chris@558:     QString outputId = m_transform.getOutput();
Chris@558: 
Chris@320:     int binCount = 1;
Chris@320:     float minValue = 0.0, maxValue = 0.0;
Chris@320:     bool haveExtents = false;
Chris@320:     
Chris@320:     if (m_descriptor->hasFixedBinCount) {
Chris@320: 	binCount = m_descriptor->binCount;
Chris@320:     }
Chris@320: 
Chris@331: //    std::cerr << "FeatureExtractionModelTransformer: output bin count "
Chris@320: //	      << binCount << std::endl;
Chris@320: 
Chris@320:     if (binCount > 0 && m_descriptor->hasKnownExtents) {
Chris@320: 	minValue = m_descriptor->minValue;
Chris@320: 	maxValue = m_descriptor->maxValue;
Chris@320:         haveExtents = true;
Chris@320:     }
Chris@320: 
Chris@350:     size_t modelRate = input->getSampleRate();
Chris@320:     size_t modelResolution = 1;
Chris@320:     
Chris@320:     switch (m_descriptor->sampleType) {
Chris@320: 
Chris@320:     case Vamp::Plugin::OutputDescriptor::VariableSampleRate:
Chris@320: 	if (m_descriptor->sampleRate != 0.0) {
Chris@320: 	    modelResolution = size_t(modelRate / m_descriptor->sampleRate + 0.001);
Chris@320: 	}
Chris@320: 	break;
Chris@320: 
Chris@320:     case Vamp::Plugin::OutputDescriptor::OneSamplePerStep:
Chris@350: 	modelResolution = m_transform.getStepSize();
Chris@320: 	break;
Chris@320: 
Chris@320:     case Vamp::Plugin::OutputDescriptor::FixedSampleRate:
Chris@451:         //!!! SV doesn't actually support display of models that have
Chris@451:         //!!! different underlying rates together -- so we always set
Chris@451:         //!!! the model rate to be the input model's rate, and adjust
Chris@451:         //!!! the resolution appropriately.  We can't properly display
Chris@451:         //!!! data with a higher resolution than the base model at all
Chris@451: //	modelRate = size_t(m_descriptor->sampleRate + 0.001);
Chris@451:         if (m_descriptor->sampleRate > input->getSampleRate()) {
Chris@451:             modelResolution = 1;
Chris@451:         } else {
Chris@451:             modelResolution = size_t(input->getSampleRate() /
Chris@451:                                      m_descriptor->sampleRate);
Chris@451:         }
Chris@320: 	break;
Chris@320:     }
Chris@320: 
Chris@441:     bool preDurationPlugin = (m_plugin->getVampApiVersion() < 2);
Chris@441: 
Chris@441:     if (binCount == 0 &&
Chris@441:         (preDurationPlugin || !m_descriptor->hasDuration)) {
Chris@320: 
Chris@445:         // Anything with no value and no duration is an instant
Chris@445: 
Chris@320: 	m_output = new SparseOneDimensionalModel(modelRate, modelResolution,
Chris@320: 						 false);
Chris@320: 
Chris@558:         QString outputEventTypeURI = description.getOutputEventTypeURI(outputId);
Chris@558:         m_output->setRDFTypeURI(outputEventTypeURI);
Chris@558: 
Chris@441:     } else if ((preDurationPlugin && binCount > 1 &&
Chris@441:                 (m_descriptor->sampleType ==
Chris@441:                  Vamp::Plugin::OutputDescriptor::VariableSampleRate)) ||
Chris@441:                (!preDurationPlugin && m_descriptor->hasDuration)) {
Chris@441: 
Chris@441:         // For plugins using the old v1 API without explicit duration,
Chris@441:         // we treat anything that has multiple bins (i.e. that has the
Chris@441:         // potential to have value and duration) and a variable sample
Chris@441:         // rate as a note model, taking its values as pitch, duration
Chris@441:         // and velocity (if present) respectively.  This is the same
Chris@441:         // behaviour as always applied by SV to these plugins in the
Chris@441:         // past.
Chris@441: 
Chris@441:         // For plugins with the newer API, we treat anything with
Chris@441:         // duration as either a note model with pitch and velocity, or
Chris@441:         // a region model.
Chris@441: 
Chris@441:         // How do we know whether it's an interval or note model?
Chris@441:         // What's the essential difference?  Is a note model any
Chris@441:         // interval model using a Hz or "MIDI pitch" scale?  There
Chris@441:         // isn't really a reliable test for "MIDI pitch"...  Does a
Chris@441:         // note model always have velocity?  This is a good question
Chris@441:         // to be addressed by accompanying RDF, but for the moment we
Chris@441:         // will do the following...
Chris@441: 
Chris@441:         bool isNoteModel = false;
Chris@441:         
Chris@441:         // Regions have only value (and duration -- we can't extract a
Chris@441:         // region model from an old-style plugin that doesn't support
Chris@441:         // duration)
Chris@441:         if (binCount > 1) isNoteModel = true;
Chris@441: 
Chris@595:         // Regions do not have units of Hz or MIDI things (a sweeping
Chris@595:         // assumption!)
Chris@595:         if (m_descriptor->unit == "Hz" ||
Chris@595:             m_descriptor->unit.find("MIDI") != std::string::npos ||
Chris@595:             m_descriptor->unit.find("midi") != std::string::npos) {
Chris@595:             isNoteModel = true;
Chris@595:         }
Chris@441: 
Chris@441:         // If we had a "sparse 3D model", we would have the additional
Chris@441:         // problem of determining whether to use that here (if bin
Chris@441:         // count > 1).  But we don't.
Chris@441: 
Chris@441:         if (isNoteModel) {
Chris@441: 
Chris@441:             NoteModel *model;
Chris@441:             if (haveExtents) {
Chris@441:                 model = new NoteModel
Chris@441:                     (modelRate, modelResolution, minValue, maxValue, false);
Chris@441:             } else {
Chris@441:                 model = new NoteModel
Chris@441:                     (modelRate, modelResolution, false);
Chris@441:             }
Chris@441:             model->setScaleUnits(m_descriptor->unit.c_str());
Chris@441:             m_output = model;
Chris@441: 
Chris@441:         } else {
Chris@441: 
Chris@441:             RegionModel *model;
Chris@441:             if (haveExtents) {
Chris@441:                 model = new RegionModel
Chris@441:                     (modelRate, modelResolution, minValue, maxValue, false);
Chris@441:             } else {
Chris@441:                 model = new RegionModel
Chris@441:                     (modelRate, modelResolution, false);
Chris@441:             }
Chris@441:             model->setScaleUnits(m_descriptor->unit.c_str());
Chris@441:             m_output = model;
Chris@441:         }
Chris@441: 
Chris@558:         QString outputEventTypeURI = description.getOutputEventTypeURI(outputId);
Chris@558:         m_output->setRDFTypeURI(outputEventTypeURI);
Chris@558: 
Chris@441:     } else if (binCount == 1 ||
Chris@441:                (m_descriptor->sampleType == 
Chris@441:                 Vamp::Plugin::OutputDescriptor::VariableSampleRate)) {
Chris@441: 
Chris@441:         // Anything that is not a 1D, note, or interval model and that
Chris@441:         // has only one value per result must be a sparse time value
Chris@441:         // model.
Chris@441: 
Chris@441:         // Anything that is not a 1D, note, or interval model and that
Chris@441:         // has a variable sample rate is also treated as a sparse time
Chris@441:         // value model regardless of its bin count, because we lack a
Chris@441:         // sparse 3D model.
Chris@320: 
Chris@320:         SparseTimeValueModel *model;
Chris@320:         if (haveExtents) {
Chris@320:             model = new SparseTimeValueModel
Chris@320:                 (modelRate, modelResolution, minValue, maxValue, false);
Chris@320:         } else {
Chris@320:             model = new SparseTimeValueModel
Chris@320:                 (modelRate, modelResolution, false);
Chris@320:         }
Chris@558: 
Chris@558:         Vamp::Plugin::OutputList outputs = m_plugin->getOutputDescriptors();
Chris@320:         model->setScaleUnits(outputs[m_outputFeatureNo].unit.c_str());
Chris@320: 
Chris@320:         m_output = model;
Chris@320: 
Chris@558:         QString outputEventTypeURI = description.getOutputEventTypeURI(outputId);
Chris@558:         m_output->setRDFTypeURI(outputEventTypeURI);
Chris@558: 
Chris@441:     } else {
Chris@320: 
Chris@441:         // Anything that is not a 1D, note, or interval model and that
Chris@441:         // has a fixed sample rate and more than one value per result
Chris@441:         // must be a dense 3D model.
Chris@320: 
Chris@320:         EditableDenseThreeDimensionalModel *model =
Chris@320:             new EditableDenseThreeDimensionalModel
Chris@535:             (modelRate, modelResolution, binCount,
Chris@535:              EditableDenseThreeDimensionalModel::BasicMultirateCompression,
Chris@535:              false);
Chris@320: 
Chris@320: 	if (!m_descriptor->binNames.empty()) {
Chris@320: 	    std::vector<QString> names;
Chris@320: 	    for (size_t i = 0; i < m_descriptor->binNames.size(); ++i) {
Chris@320: 		names.push_back(m_descriptor->binNames[i].c_str());
Chris@320: 	    }
Chris@320: 	    model->setBinNames(names);
Chris@320: 	}
Chris@320:         
Chris@320:         m_output = model;
Chris@558: 
Chris@558:         QString outputSignalTypeURI = description.getOutputSignalTypeURI(outputId);
Chris@558:         m_output->setRDFTypeURI(outputSignalTypeURI);
Chris@320:     }
Chris@333: 
Chris@350:     if (m_output) m_output->setSourceModel(input);
Chris@320: }
Chris@320: 
Chris@331: FeatureExtractionModelTransformer::~FeatureExtractionModelTransformer()
Chris@320: {
Chris@436: //    std::cerr << "FeatureExtractionModelTransformer::~FeatureExtractionModelTransformer()" << std::endl;
Chris@320:     delete m_plugin;
Chris@320:     delete m_descriptor;
Chris@320: }
Chris@320: 
Chris@320: DenseTimeValueModel *
Chris@350: FeatureExtractionModelTransformer::getConformingInput()
Chris@320: {
Chris@408: //    std::cerr << "FeatureExtractionModelTransformer::getConformingInput: input model is " << getInputModel() << std::endl;
Chris@408: 
Chris@320:     DenseTimeValueModel *dtvm =
Chris@320: 	dynamic_cast<DenseTimeValueModel *>(getInputModel());
Chris@320:     if (!dtvm) {
Chris@350: 	std::cerr << "FeatureExtractionModelTransformer::getConformingInput: WARNING: Input model is not conformable to DenseTimeValueModel" << std::endl;
Chris@320:     }
Chris@320:     return dtvm;
Chris@320: }
Chris@320: 
Chris@320: void
Chris@331: FeatureExtractionModelTransformer::run()
Chris@320: {
Chris@350:     DenseTimeValueModel *input = getConformingInput();
Chris@320:     if (!input) return;
Chris@320: 
Chris@320:     if (!m_output) return;
Chris@320: 
Chris@497:     while (!input->isReady() && !m_abandoned) {
Chris@331:         std::cerr << "FeatureExtractionModelTransformer::run: Waiting for input model to be ready..." << std::endl;
Chris@497:         usleep(500000);
Chris@320:     }
Chris@497:     if (m_abandoned) return;
Chris@320: 
Chris@350:     size_t sampleRate = input->getSampleRate();
Chris@320: 
Chris@320:     size_t channelCount = input->getChannelCount();
Chris@320:     if (m_plugin->getMaxChannelCount() < channelCount) {
Chris@320: 	channelCount = 1;
Chris@320:     }
Chris@320: 
Chris@320:     float **buffers = new float*[channelCount];
Chris@320:     for (size_t ch = 0; ch < channelCount; ++ch) {
Chris@350: 	buffers[ch] = new float[m_transform.getBlockSize() + 2];
Chris@320:     }
Chris@320: 
Chris@350:     size_t stepSize = m_transform.getStepSize();
Chris@350:     size_t blockSize = m_transform.getBlockSize();
Chris@350: 
Chris@320:     bool frequencyDomain = (m_plugin->getInputDomain() ==
Chris@320:                             Vamp::Plugin::FrequencyDomain);
Chris@320:     std::vector<FFTModel *> fftModels;
Chris@320: 
Chris@320:     if (frequencyDomain) {
Chris@320:         for (size_t ch = 0; ch < channelCount; ++ch) {
Chris@320:             FFTModel *model = new FFTModel
Chris@350:                                   (getConformingInput(),
Chris@350:                                    channelCount == 1 ? m_input.getChannel() : ch,
Chris@350:                                    m_transform.getWindowType(),
Chris@350:                                    blockSize,
Chris@350:                                    stepSize,
Chris@350:                                    blockSize,
Chris@334:                                    false,
Chris@334:                                    StorageAdviser::PrecisionCritical);
Chris@320:             if (!model->isOK()) {
Chris@320:                 delete model;
Chris@320:                 setCompletion(100);
Chris@387:                 //!!! need a better way to handle this -- previously we were using a QMessageBox but that isn't an appropriate thing to do here either
Chris@387:                 throw AllocationFailed("Failed to create the FFT model for this feature extraction model transformer");
Chris@320:             }
Chris@320:             model->resume();
Chris@320:             fftModels.push_back(model);
Chris@320:         }
Chris@320:     }
Chris@320: 
Chris@350:     long startFrame = m_input.getModel()->getStartFrame();
Chris@350:     long   endFrame = m_input.getModel()->getEndFrame();
Chris@320: 
Chris@350:     RealTime contextStartRT = m_transform.getStartTime();
Chris@350:     RealTime contextDurationRT = m_transform.getDuration();
Chris@350: 
Chris@350:     long contextStart =
Chris@350:         RealTime::realTime2Frame(contextStartRT, sampleRate);
Chris@350: 
Chris@350:     long contextDuration =
Chris@350:         RealTime::realTime2Frame(contextDurationRT, sampleRate);
Chris@320: 
Chris@320:     if (contextStart == 0 || contextStart < startFrame) {
Chris@320:         contextStart = startFrame;
Chris@320:     }
Chris@320: 
Chris@320:     if (contextDuration == 0) {
Chris@320:         contextDuration = endFrame - contextStart;
Chris@320:     }
Chris@320:     if (contextStart + contextDuration > endFrame) {
Chris@320:         contextDuration = endFrame - contextStart;
Chris@320:     }
Chris@320: 
Chris@320:     long blockFrame = contextStart;
Chris@320: 
Chris@320:     long prevCompletion = 0;
Chris@320: 
Chris@320:     setCompletion(0);
Chris@320: 
Chris@556:     float *reals = 0;
Chris@556:     float *imaginaries = 0;
Chris@556:     if (frequencyDomain) {
Chris@556:         reals = new float[blockSize/2 + 1];
Chris@556:         imaginaries = new float[blockSize/2 + 1];
Chris@556:     }
Chris@556: 
Chris@678:     QString error = "";
Chris@678: 
Chris@320:     while (!m_abandoned) {
Chris@320: 
Chris@320:         if (frequencyDomain) {
Chris@350:             if (blockFrame - int(blockSize)/2 >
Chris@320:                 contextStart + contextDuration) break;
Chris@320:         } else {
Chris@320:             if (blockFrame >= 
Chris@320:                 contextStart + contextDuration) break;
Chris@320:         }
Chris@320: 
Chris@331: //	std::cerr << "FeatureExtractionModelTransformer::run: blockFrame "
Chris@320: //		  << blockFrame << ", endFrame " << endFrame << ", blockSize "
Chris@350: //                  << blockSize << std::endl;
Chris@320: 
Chris@320: 	long completion =
Chris@350: 	    (((blockFrame - contextStart) / stepSize) * 99) /
Chris@557: 	    (contextDuration / stepSize + 1);
Chris@320: 
Chris@350: 	// channelCount is either m_input.getModel()->channelCount or 1
Chris@320: 
Chris@363:         if (frequencyDomain) {
Chris@363:             for (size_t ch = 0; ch < channelCount; ++ch) {
Chris@350:                 int column = (blockFrame - startFrame) / stepSize;
Chris@556:                 fftModels[ch]->getValuesAt(column, reals, imaginaries);
Chris@350:                 for (size_t i = 0; i <= blockSize/2; ++i) {
Chris@556:                     buffers[ch][i*2] = reals[i];
Chris@556:                     buffers[ch][i*2+1] = imaginaries[i];
Chris@320:                 }
Chris@678:                 error = fftModels[ch]->getError();
Chris@678:                 if (error != "") {
Chris@678:                     std::cerr << "FeatureExtractionModelTransformer::run: Abandoning, error is " << error << std::endl;
Chris@678:                     m_abandoned = true;
Chris@678:                     m_message = error;
Chris@678:                 }
Chris@363:             }
Chris@363:         } else {
Chris@363:             getFrames(channelCount, blockFrame, blockSize, buffers);
Chris@320:         }
Chris@320: 
Chris@497:         if (m_abandoned) break;
Chris@497: 
Chris@320: 	Vamp::Plugin::FeatureSet features = m_plugin->process
Chris@320: 	    (buffers, Vamp::RealTime::frame2RealTime(blockFrame, sampleRate));
Chris@320: 
Chris@497:         if (m_abandoned) break;
Chris@497: 
Chris@320: 	for (size_t fi = 0; fi < features[m_outputFeatureNo].size(); ++fi) {
Chris@320: 	    Vamp::Plugin::Feature feature =
Chris@320: 		features[m_outputFeatureNo][fi];
Chris@320: 	    addFeature(blockFrame, feature);
Chris@320: 	}
Chris@320: 
Chris@320: 	if (blockFrame == contextStart || completion > prevCompletion) {
Chris@320: 	    setCompletion(completion);
Chris@320: 	    prevCompletion = completion;
Chris@320: 	}
Chris@320: 
Chris@350: 	blockFrame += stepSize;
Chris@320:     }
Chris@320: 
Chris@497:     if (!m_abandoned) {
Chris@497:         Vamp::Plugin::FeatureSet features = m_plugin->getRemainingFeatures();
Chris@320: 
Chris@497:         for (size_t fi = 0; fi < features[m_outputFeatureNo].size(); ++fi) {
Chris@497:             Vamp::Plugin::Feature feature =
Chris@497:                 features[m_outputFeatureNo][fi];
Chris@497:             addFeature(blockFrame, feature);
Chris@497:         }
Chris@497:     }
Chris@320: 
Chris@497:     setCompletion(100);
Chris@320: 
Chris@320:     if (frequencyDomain) {
Chris@320:         for (size_t ch = 0; ch < channelCount; ++ch) {
Chris@320:             delete fftModels[ch];
Chris@320:         }
Chris@556:         delete[] reals;
Chris@556:         delete[] imaginaries;
Chris@320:     }
Chris@320: }
Chris@320: 
Chris@320: void
Chris@363: FeatureExtractionModelTransformer::getFrames(int channelCount,
Chris@363:                                              long startFrame, long size,
Chris@363:                                              float **buffers)
Chris@320: {
Chris@320:     long offset = 0;
Chris@320: 
Chris@320:     if (startFrame < 0) {
Chris@363:         for (int c = 0; c < channelCount; ++c) {
Chris@363:             for (int i = 0; i < size && startFrame + i < 0; ++i) {
Chris@363:                 buffers[c][i] = 0.0f;
Chris@363:             }
Chris@320:         }
Chris@320:         offset = -startFrame;
Chris@320:         size -= offset;
Chris@320:         if (size <= 0) return;
Chris@320:         startFrame = 0;
Chris@320:     }
Chris@320: 
Chris@350:     DenseTimeValueModel *input = getConformingInput();
Chris@350:     if (!input) return;
Chris@363:     
Chris@363:     long got = 0;
Chris@350: 
Chris@363:     if (channelCount == 1) {
Chris@363: 
Chris@363:         got = input->getData(m_input.getChannel(), startFrame, size,
Chris@363:                              buffers[0] + offset);
Chris@363: 
Chris@363:         if (m_input.getChannel() == -1 && input->getChannelCount() > 1) {
Chris@363:             // use mean instead of sum, as plugin input
Chris@363:             float cc = float(input->getChannelCount());
Chris@363:             for (long i = 0; i < size; ++i) {
Chris@363:                 buffers[0][i + offset] /= cc;
Chris@363:             }
Chris@363:         }
Chris@363: 
Chris@363:     } else {
Chris@363: 
Chris@363:         float **writebuf = buffers;
Chris@363:         if (offset > 0) {
Chris@363:             writebuf = new float *[channelCount];
Chris@363:             for (int i = 0; i < channelCount; ++i) {
Chris@363:                 writebuf[i] = buffers[i] + offset;
Chris@363:             }
Chris@363:         }
Chris@363: 
Chris@363:         got = input->getData(0, channelCount-1, startFrame, size, writebuf);
Chris@363: 
Chris@363:         if (writebuf != buffers) delete[] writebuf;
Chris@363:     }
Chris@320: 
Chris@320:     while (got < size) {
Chris@363:         for (int c = 0; c < channelCount; ++c) {
Chris@363:             buffers[c][got + offset] = 0.0;
Chris@363:         }
Chris@320:         ++got;
Chris@320:     }
Chris@320: }
Chris@320: 
Chris@320: void
Chris@331: FeatureExtractionModelTransformer::addFeature(size_t blockFrame,
Chris@320: 					     const Vamp::Plugin::Feature &feature)
Chris@320: {
Chris@350:     size_t inputRate = m_input.getModel()->getSampleRate();
Chris@320: 
Chris@331: //    std::cerr << "FeatureExtractionModelTransformer::addFeature("
Chris@320: //	      << blockFrame << ")" << std::endl;
Chris@320: 
Chris@320:     int binCount = 1;
Chris@320:     if (m_descriptor->hasFixedBinCount) {
Chris@320: 	binCount = m_descriptor->binCount;
Chris@320:     }
Chris@320: 
Chris@320:     size_t frame = blockFrame;
Chris@320: 
Chris@320:     if (m_descriptor->sampleType ==
Chris@320: 	Vamp::Plugin::OutputDescriptor::VariableSampleRate) {
Chris@320: 
Chris@320: 	if (!feature.hasTimestamp) {
Chris@320: 	    std::cerr
Chris@331: 		<< "WARNING: FeatureExtractionModelTransformer::addFeature: "
Chris@320: 		<< "Feature has variable sample rate but no timestamp!"
Chris@320: 		<< std::endl;
Chris@320: 	    return;
Chris@320: 	} else {
Chris@320: 	    frame = Vamp::RealTime::realTime2Frame(feature.timestamp, inputRate);
Chris@320: 	}
Chris@320: 
Chris@320:     } else if (m_descriptor->sampleType ==
Chris@320: 	       Vamp::Plugin::OutputDescriptor::FixedSampleRate) {
Chris@320: 
Chris@320: 	if (feature.hasTimestamp) {
Chris@320: 	    //!!! warning: sampleRate may be non-integral
Chris@320: 	    frame = Vamp::RealTime::realTime2Frame(feature.timestamp,
Chris@451: //!!! see comment above when setting up modelResolution and modelRate
Chris@451: //                                                   lrintf(m_descriptor->sampleRate));
Chris@451:                                                    inputRate);
Chris@320: 	} else {
Chris@320: 	    frame = m_output->getEndFrame();
Chris@320: 	}
Chris@320:     }
Chris@320: 	
Chris@441:     // Rather than repeat the complicated tests from the constructor
Chris@441:     // to determine what sort of model we must be adding the features
Chris@441:     // to, we instead test what sort of model the constructor decided
Chris@441:     // to create.
Chris@320: 
Chris@441:     if (isOutput<SparseOneDimensionalModel>()) {
Chris@441: 
Chris@441:         SparseOneDimensionalModel *model =
Chris@350:             getConformingOutput<SparseOneDimensionalModel>();
Chris@320: 	if (!model) return;
Chris@350: 
Chris@441:         model->addPoint(SparseOneDimensionalModel::Point
Chris@441:                        (frame, feature.label.c_str()));
Chris@320: 	
Chris@441:     } else if (isOutput<SparseTimeValueModel>()) {
Chris@320: 
Chris@350: 	SparseTimeValueModel *model =
Chris@350:             getConformingOutput<SparseTimeValueModel>();
Chris@320: 	if (!model) return;
Chris@350: 
Chris@454:         for (int i = 0; i < feature.values.size(); ++i) {
Chris@454: 
Chris@454:             float value = feature.values[i];
Chris@454: 
Chris@454:             QString label = feature.label.c_str();
Chris@454:             if (feature.values.size() > 1) {
Chris@454:                 label = QString("[%1] %2").arg(i+1).arg(label);
Chris@454:             }
Chris@454: 
Chris@454:             model->addPoint(SparseTimeValueModel::Point(frame, value, label));
Chris@454:         }
Chris@320: 
Chris@441:     } else if (isOutput<NoteModel>() || isOutput<RegionModel>()) {
Chris@320: 
Chris@441:         int index = 0;
Chris@441: 
Chris@441:         float value = 0.0;
Chris@441:         if (feature.values.size() > index) {
Chris@441:             value = feature.values[index++];
Chris@441:         }
Chris@320: 
Chris@320:         float duration = 1;
Chris@441:         if (feature.hasDuration) {
Chris@441:             duration = Vamp::RealTime::realTime2Frame(feature.duration, inputRate);
Chris@441:         } else {
Chris@441:             if (feature.values.size() > index) {
Chris@441:                 duration = feature.values[index++];
Chris@441:             }
Chris@441:         }
Chris@320:         
Chris@441:         if (isOutput<NoteModel>()) {
Chris@320: 
Chris@441:             float velocity = 100;
Chris@441:             if (feature.values.size() > index) {
Chris@441:                 velocity = feature.values[index++];
Chris@441:             }
Chris@441:             if (velocity < 0) velocity = 127;
Chris@441:             if (velocity > 127) velocity = 127;
Chris@320: 
Chris@441:             NoteModel *model = getConformingOutput<NoteModel>();
Chris@441:             if (!model) return;
Chris@441:             model->addPoint(NoteModel::Point(frame, value, // value is pitch
Chris@441:                                              lrintf(duration),
Chris@441:                                              velocity / 127.f,
Chris@441:                                              feature.label.c_str()));
Chris@441:         } else {
Chris@441:             RegionModel *model = getConformingOutput<RegionModel>();
Chris@454:             if (!model) return;
Chris@454: 
Chris@474:             if (feature.hasDuration && !feature.values.empty()) {
Chris@454: 
Chris@454:                 for (int i = 0; i < feature.values.size(); ++i) {
Chris@454: 
Chris@454:                     float value = feature.values[i];
Chris@454: 
Chris@454:                     QString label = feature.label.c_str();
Chris@454:                     if (feature.values.size() > 1) {
Chris@454:                         label = QString("[%1] %2").arg(i+1).arg(label);
Chris@454:                     }
Chris@454: 
Chris@454:                     model->addPoint(RegionModel::Point(frame, value,
Chris@454:                                                        lrintf(duration),
Chris@454:                                                        label));
Chris@454:                 }
Chris@454:             } else {
Chris@454:             
Chris@441:                 model->addPoint(RegionModel::Point(frame, value,
Chris@441:                                                    lrintf(duration),
Chris@441:                                                    feature.label.c_str()));
Chris@454:             }
Chris@441:         }
Chris@320: 	
Chris@441:     } else if (isOutput<EditableDenseThreeDimensionalModel>()) {
Chris@320: 	
Chris@533: 	DenseThreeDimensionalModel::Column values =
Chris@533:             DenseThreeDimensionalModel::Column::fromStdVector(feature.values);
Chris@320: 	
Chris@320: 	EditableDenseThreeDimensionalModel *model =
Chris@350:             getConformingOutput<EditableDenseThreeDimensionalModel>();
Chris@320: 	if (!model) return;
Chris@320: 
Chris@320: 	model->setColumn(frame / model->getResolution(), values);
Chris@441: 
Chris@441:     } else {
Chris@441:         std::cerr << "FeatureExtractionModelTransformer::addFeature: Unknown output model type!" << std::endl;
Chris@320:     }
Chris@320: }
Chris@320: 
Chris@320: void
Chris@331: FeatureExtractionModelTransformer::setCompletion(int completion)
Chris@320: {
Chris@320:     int binCount = 1;
Chris@320:     if (m_descriptor->hasFixedBinCount) {
Chris@320: 	binCount = m_descriptor->binCount;
Chris@320:     }
Chris@320: 
Chris@331: //    std::cerr << "FeatureExtractionModelTransformer::setCompletion("
Chris@320: //              << completion << ")" << std::endl;
Chris@320: 
Chris@441:     if (isOutput<SparseOneDimensionalModel>()) {
Chris@320: 
Chris@350: 	SparseOneDimensionalModel *model =
Chris@350:             getConformingOutput<SparseOneDimensionalModel>();
Chris@320: 	if (!model) return;
Chris@441: 	model->setCompletion(completion, true);
Chris@320: 
Chris@441:     } else if (isOutput<SparseTimeValueModel>()) {
Chris@320: 
Chris@350: 	SparseTimeValueModel *model =
Chris@350:             getConformingOutput<SparseTimeValueModel>();
Chris@320: 	if (!model) return;
Chris@441: 	model->setCompletion(completion, true);
Chris@320: 
Chris@441:     } else if (isOutput<NoteModel>()) {
Chris@320: 
Chris@441: 	NoteModel *model = getConformingOutput<NoteModel>();
Chris@320: 	if (!model) return;
Chris@441: 	model->setCompletion(completion, true);
Chris@320: 
Chris@441:     } else if (isOutput<RegionModel>()) {
Chris@441: 
Chris@441: 	RegionModel *model = getConformingOutput<RegionModel>();
Chris@441: 	if (!model) return;
Chris@441: 	model->setCompletion(completion, true);
Chris@441: 
Chris@441:     } else if (isOutput<EditableDenseThreeDimensionalModel>()) {
Chris@320: 
Chris@320: 	EditableDenseThreeDimensionalModel *model =
Chris@350:             getConformingOutput<EditableDenseThreeDimensionalModel>();
Chris@320: 	if (!model) return;
Chris@350: 	model->setCompletion(completion, true); //!!!m_context.updates);
Chris@320:     }
Chris@320: }
Chris@320: