view rdf/RDFExporter.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 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 "RDFExporter.h"
#include "RDFFeatureWriter.h"

#include <vamp-hostsdk/Plugin.h>

#include "data/model/Model.h"
#include "data/model/RegionModel.h"
#include "data/model/NoteModel.h"
#include "data/model/SparseOneDimensionalModel.h"
#include "data/model/SparseTimeValueModel.h"
#include "data/model/TextModel.h"
#include "data/model/EditableDenseThreeDimensionalModel.h"

bool
RDFExporter::canExportModel(Model *m)
{
    if (dynamic_cast<RegionModel *>(m)) return true;
    if (dynamic_cast<NoteModel *>(m)) return true;
    if (dynamic_cast<SparseTimeValueModel *>(m)) return true;
    if (dynamic_cast<SparseOneDimensionalModel *>(m)) return true;
    if (dynamic_cast<TextModel *>(m)) return true;
    // no, looks like we never implemented this one
//    if (dynamic_cast<EditableDenseThreeDimensionalModel *>(m)) return true;
    return false;
}

RDFExporter::RDFExporter(QString path, Model *m) :
    m_path(path),
    m_model(m),
    m_fw(new RDFFeatureWriter())
{
    map<string, string> params;
    params["one-file"] = path.toStdString();
    params["force"] = "true";
    m_fw->setParameters(params);
}

RDFExporter::~RDFExporter()
{
    delete m_fw;
}

bool
RDFExporter::isOK() const
{
    return true;
}

QString
RDFExporter::getError() const
{
    return "";
}

void
RDFExporter::write()
{
    QString trackId; // nil
    Transform transform; // nil
    Vamp::Plugin::OutputDescriptor output; // nil
    std::string summaryType; // nil

    Vamp::Plugin::FeatureList features;
    features.push_back(Vamp::Plugin::Feature());
    Vamp::Plugin::Feature &f = features[0];
    sv_samplerate_t sr = m_model->getSampleRate();

    {
        RegionModel *m = dynamic_cast<RegionModel *>(m_model);
        if (m) {
            f.hasTimestamp = true;
            f.hasDuration = true;
            const RegionModel::PointList &pl(m->getPoints());
            for (RegionModel::PointList::const_iterator i = pl.begin(); 
                 i != pl.end(); ++i) {
                f.timestamp = RealTime::frame2RealTime(i->frame, sr).toVampRealTime();
                f.duration = RealTime::frame2RealTime(i->duration, sr).toVampRealTime();
                f.values.clear();
                f.values.push_back(i->value);
                f.label = i->label.toStdString();
                m_fw->write(trackId, transform, output, features, summaryType);
            }
            return;
        }
    }
    {
        NoteModel *m = dynamic_cast<NoteModel *>(m_model);
        if (m) {
            f.hasTimestamp = true;
            f.hasDuration = true;
            const NoteModel::PointList &pl(m->getPoints());
            for (NoteModel::PointList::const_iterator i = pl.begin(); 
                 i != pl.end(); ++i) {
                f.timestamp = RealTime::frame2RealTime(i->frame, sr).toVampRealTime();
                f.duration = RealTime::frame2RealTime(i->duration, sr).toVampRealTime();
                f.values.clear();
                f.values.push_back(i->value);
                f.values.push_back(i->level);
                f.label = i->label.toStdString();
                m_fw->write(trackId, transform, output, features, summaryType);
            }
            return;
        }
    }
    {     
        SparseOneDimensionalModel *m = dynamic_cast<SparseOneDimensionalModel *>(m_model);
        if (m) {
            f.hasTimestamp = true;
            f.hasDuration = false;
            const SparseOneDimensionalModel::PointList &pl(m->getPoints());
            for (SparseOneDimensionalModel::PointList::const_iterator i = pl.begin(); 
                 i != pl.end(); ++i) {
                f.timestamp = RealTime::frame2RealTime(i->frame, sr).toVampRealTime();
                f.values.clear();
                f.label = i->label.toStdString();
                m_fw->write(trackId, transform, output, features, summaryType);
            }
            return;
        }
    }
    {            
        SparseTimeValueModel *m = dynamic_cast<SparseTimeValueModel *>(m_model);
        if (m) {
            f.hasTimestamp = true;
            f.hasDuration = false;
            const SparseTimeValueModel::PointList &pl(m->getPoints());
            for (SparseTimeValueModel::PointList::const_iterator i = pl.begin(); 
                 i != pl.end(); ++i) {
                f.timestamp = RealTime::frame2RealTime(i->frame, sr).toVampRealTime();
                f.values.clear();
                f.values.push_back(i->value);
                f.label = i->label.toStdString();
                m_fw->write(trackId, transform, output, features, summaryType);
            }
            return;
        }
    }
    {     
        TextModel *m = dynamic_cast<TextModel *>(m_model);
        if (m) {
            f.hasTimestamp = true;
            f.hasDuration = false;
            const TextModel::PointList &pl(m->getPoints());
            m_fw->setFixedEventTypeURI("af:Text");
            for (TextModel::PointList::const_iterator i = pl.begin(); 
                 i != pl.end(); ++i) {
                f.timestamp = RealTime::frame2RealTime(i->frame, sr).toVampRealTime();
                f.values.clear();
                f.values.push_back(i->height);
                f.label = i->label.toStdString();
                m_fw->write(trackId, transform, output, features, summaryType);
            }
            return;
        }
    }
}

QString
RDFExporter::getSupportedExtensions()
{
    return "*.ttl *.n3";
}