view rdf/PluginRDFDescription.cpp @ 1520:954d0cf29ca7 import-audio-data

Switch the normalisation option in WritableWaveFileModel from normalising on read to normalising on write, so that the saved file is already normalised and therefore can be read again without having to remember to normalise it

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2008-2012 QMUL.
   
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#include "PluginRDFDescription.h"

#include "PluginRDFIndexer.h"

#include "base/Profiler.h"

#include "plugin/PluginIdentifier.h"

#include <dataquay/BasicStore.h>

#include <iostream>

using Dataquay::Uri;
using Dataquay::Node;
using Dataquay::Nodes;
using Dataquay::Triple;
using Dataquay::Triples;
using Dataquay::BasicStore;

PluginRDFDescription::PluginRDFDescription(QString pluginId) :
    m_pluginId(pluginId),
    m_haveDescription(false)
{
    PluginRDFIndexer *indexer = PluginRDFIndexer::getInstance();
    m_pluginUri = indexer->getURIForPluginId(pluginId);
    if (m_pluginUri == "") {
        cerr << "PluginRDFDescription: WARNING: No RDF description available for plugin ID \""
             << pluginId << "\"" << endl;
    } else {
        // All the data we need should be in our RDF model already:
        // if it's not there, we don't know where to find it anyway
        if (index()) {
            m_haveDescription = true;
        }
    }
}

PluginRDFDescription::~PluginRDFDescription()
{
}

bool
PluginRDFDescription::haveDescription() const
{
    return m_haveDescription;
}

QString
PluginRDFDescription::getPluginName() const
{
    return m_pluginName;
}

QString
PluginRDFDescription::getPluginDescription() const
{
    return m_pluginDescription;
}

QString
PluginRDFDescription::getPluginMaker() const
{
    return m_pluginMaker;
}

QString
PluginRDFDescription::getPluginInfoURL() const
{
    return m_pluginInfoURL;
}

QStringList
PluginRDFDescription::getOutputIds() const
{
    QStringList ids;
    for (OutputDispositionMap::const_iterator i = m_outputDispositions.begin();
         i != m_outputDispositions.end(); ++i) {
        ids.push_back(i->first);
    }
    return ids;
}

QString
PluginRDFDescription::getOutputName(QString outputId) const
{
    if (m_outputNames.find(outputId) == m_outputNames.end()) {
        return "";
    } 
    return m_outputNames.find(outputId)->second;
}

PluginRDFDescription::OutputDisposition
PluginRDFDescription::getOutputDisposition(QString outputId) const
{
    if (m_outputDispositions.find(outputId) == m_outputDispositions.end()) {
        return OutputDispositionUnknown;
    }
    return m_outputDispositions.find(outputId)->second;
}

QString
PluginRDFDescription::getOutputEventTypeURI(QString outputId) const
{
    if (m_outputEventTypeURIMap.find(outputId) ==
        m_outputEventTypeURIMap.end()) {
        return "";
    }
    return m_outputEventTypeURIMap.find(outputId)->second;
}

QString
PluginRDFDescription::getOutputFeatureAttributeURI(QString outputId) const
{
    if (m_outputFeatureAttributeURIMap.find(outputId) ==
        m_outputFeatureAttributeURIMap.end()) {
        return "";
    }
    return m_outputFeatureAttributeURIMap.find(outputId)->second;
}

QString
PluginRDFDescription::getOutputSignalTypeURI(QString outputId) const
{
    if (m_outputSignalTypeURIMap.find(outputId) ==
        m_outputSignalTypeURIMap.end()) {
        return "";
    }
    return m_outputSignalTypeURIMap.find(outputId)->second;
}

QString
PluginRDFDescription::getOutputUnit(QString outputId) const
{
    if (m_outputUnitMap.find(outputId) == m_outputUnitMap.end()) {
        return "";
    }
    return m_outputUnitMap.find(outputId)->second;
}

QString
PluginRDFDescription::getOutputUri(QString outputId) const
{
    if (m_outputUriMap.find(outputId) == m_outputUriMap.end()) {
        return "";
    }
    return m_outputUriMap.find(outputId)->second;
}

bool
PluginRDFDescription::index() 
{
    Profiler profiler("PluginRDFDescription::index");

    bool success = true;
    if (!indexMetadata()) success = false;
    if (!indexOutputs()) success = false;

    return success;
}

bool
PluginRDFDescription::indexMetadata()
{
    Profiler profiler("PluginRDFDescription::index");

    PluginRDFIndexer *indexer = PluginRDFIndexer::getInstance();
    const BasicStore *index = indexer->getIndex();
    Uri plugin(m_pluginUri);

    Node n = index->complete
        (Triple(plugin, index->expand("vamp:name"), Node()));

    if (n.type == Node::Literal && n.value != "") {
        m_pluginName = n.value;
    }

    n = index->complete
        (Triple(plugin, index->expand("dc:description"), Node()));

    if (n.type == Node::Literal && n.value != "") {
        m_pluginDescription = n.value;
    }

    n = index->complete
        (Triple(plugin, index->expand("foaf:maker"), Node()));

    if (n.type == Node::URI || n.type == Node::Blank) {
        n = index->complete(Triple(n, index->expand("foaf:name"), Node()));
        if (n.type == Node::Literal && n.value != "") {
            m_pluginMaker = n.value;
        }
    }

    // If we have a more-information URL for this plugin, then we take
    // that.  Otherwise, a more-information URL for the plugin library
    // would do nicely.

    n = index->complete
        (Triple(plugin, index->expand("foaf:page"), Node()));

    if (n.type == Node::URI && n.value != "") {
        m_pluginInfoURL = n.value;
    }

    n = index->complete
        (Triple(Node(), index->expand("vamp:available_plugin"), plugin));

    if (n.value != "") {
        n = index->complete(Triple(n, index->expand("foaf:page"), Node()));
        if (n.type == Node::URI && n.value != "") {
            m_pluginInfoURL = n.value;
        }
    }

    return true;
}

bool
PluginRDFDescription::indexOutputs()
{
    Profiler profiler("PluginRDFDescription::indexOutputs");
    
    PluginRDFIndexer *indexer = PluginRDFIndexer::getInstance();
    const BasicStore *index = indexer->getIndex();
    Uri plugin(m_pluginUri);

    Nodes outputs = index->match
        (Triple(plugin, index->expand("vamp:output"), Node())).objects();

    if (outputs.empty()) {
        cerr << "ERROR: PluginRDFDescription::indexURL: NOTE: No outputs defined for <"
             << m_pluginUri << ">" << endl;
        return false;
    }

    foreach (Node output, outputs) {

        if ((output.type != Node::URI && output.type != Node::Blank) ||
            output.value == "") {
            cerr << "ERROR: PluginRDFDescription::indexURL: No valid URI for output " << output << " of plugin <" << m_pluginUri << ">" << endl;
            return false;
        }
        
        Node n = index->complete(Triple(output, index->expand("vamp:identifier"), Node()));
        if (n.type != Node::Literal || n.value == "") {
            cerr << "ERROR: PluginRDFDescription::indexURL: No vamp:identifier for output <" << output << ">" << endl;
            return false;
        }
        QString outputId = n.value;

        m_outputUriMap[outputId] = output.value;

        n = index->complete(Triple(output, Uri("a"), Node()));
        QString outputType;
        if (n.type == Node::URI) outputType = n.value;

        n = index->complete(Triple(output, index->expand("vamp:unit"), Node()));
        QString outputUnit;
        if (n.type == Node::Literal) outputUnit = n.value;

        if (outputType.contains("DenseOutput")) {
            m_outputDispositions[outputId] = OutputDense;
        } else if (outputType.contains("SparseOutput")) {
            m_outputDispositions[outputId] = OutputSparse;
        } else if (outputType.contains("TrackLevelOutput")) {
            m_outputDispositions[outputId] = OutputTrackLevel;
        } else {
            m_outputDispositions[outputId] = OutputDispositionUnknown;
        }
//        cerr << "output " << output << " -> id " << outputId << ", type " << outputType << ", unit " 
//             << outputUnit << ", disposition " << m_outputDispositions[outputId] << endl;
            
        if (outputUnit != "") {
            m_outputUnitMap[outputId] = outputUnit;
        }

        n = index->complete(Triple(output, index->expand("dc:title"), Node()));
        if (n.type == Node::Literal && n.value != "") {
            m_outputNames[outputId] = n.value;
        }

        n = index->complete(Triple(output, index->expand("vamp:computes_event_type"), Node()));
//        cerr << output << " -> computes_event_type " << n << endl;
        if (n.type == Node::URI && n.value != "") {
            m_outputEventTypeURIMap[outputId] = n.value;
        }

        n = index->complete(Triple(output, index->expand("vamp:computes_feature"), Node()));
        if (n.type == Node::URI && n.value != "") {
            m_outputFeatureAttributeURIMap[outputId] = n.value;
        }

        n = index->complete(Triple(output, index->expand("vamp:computes_signal_type"), Node()));
        if (n.type == Node::URI && n.value != "") {
            m_outputSignalTypeURIMap[outputId] = n.value;
        }
    }

    return true;
}