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/* -*- 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.
Sonic Annotator
A utility for batch feature extraction from audio files.
Mark Levy, Chris Sutton and Chris Cannam, Queen Mary, University of London.
Copyright 2007-2008 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 "CSVFeatureWriter.h"
#include <iostream>
#include <QRegExp>
#include <QTextStream>
using namespace std;
using namespace Vamp;
CSVFeatureWriter::CSVFeatureWriter() :
FileFeatureWriter(SupportOneFilePerTrackTransform |
SupportOneFileTotal,
"csv"),
m_separator(","),
m_sampleTiming(false)
{
}
CSVFeatureWriter::~CSVFeatureWriter()
{
}
CSVFeatureWriter::ParameterList
CSVFeatureWriter::getSupportedParameters() const
{
ParameterList pl = FileFeatureWriter::getSupportedParameters();
Parameter p;
p.name = "separator";
p.description = "Column separator for output. Default is \",\" (comma).";
p.hasArg = true;
pl.push_back(p);
p.name = "sample-timing";
p.description = "Show timings as sample frame counts instead of in seconds.";
p.hasArg = false;
pl.push_back(p);
return pl;
}
void
CSVFeatureWriter::setParameters(map<string, string> ¶ms)
{
FileFeatureWriter::setParameters(params);
SVDEBUG << "CSVFeatureWriter::setParameters" << endl;
for (map<string, string>::iterator i = params.begin();
i != params.end(); ++i) {
cerr << i->first << " -> " << i->second << endl;
if (i->first == "separator") {
m_separator = i->second.c_str();
} else if (i->first == "sample-timing") {
m_sampleTiming = true;
}
}
}
void
CSVFeatureWriter::write(QString trackId,
const Transform &transform,
const Plugin::OutputDescriptor& ,
const Plugin::FeatureList& features,
std::string summaryType)
{
// Select appropriate output file for our track/transform
// combination
QTextStream *sptr = getOutputStream(trackId, transform.getIdentifier());
if (!sptr) {
throw FailedToOpenOutputStream(trackId, transform.getIdentifier());
}
QTextStream &stream = *sptr;
for (unsigned int i = 0; i < features.size(); ++i) {
if (m_stdout || m_singleFileName != "") {
if (trackId != m_prevPrintedTrackId) {
stream << "\"" << trackId << "\"" << m_separator;
m_prevPrintedTrackId = trackId;
} else {
stream << m_separator;
}
}
if (m_sampleTiming) {
stream << Vamp::RealTime::realTime2Frame
(features[i].timestamp, transform.getSampleRate());
if (features[i].hasDuration) {
stream << m_separator;
stream << Vamp::RealTime::realTime2Frame
(features[i].duration, transform.getSampleRate());
}
} else {
QString timestamp = features[i].timestamp.toString().c_str();
timestamp.replace(QRegExp("^ +"), "");
stream << timestamp;
if (features[i].hasDuration) {
QString duration = features[i].duration.toString().c_str();
duration.replace(QRegExp("^ +"), "");
stream << m_separator << duration;
}
}
if (summaryType != "") {
stream << m_separator << summaryType.c_str();
}
for (unsigned int j = 0; j < features[i].values.size(); ++j) {
stream << m_separator << features[i].values[j];
}
if (features[i].label != "") {
stream << m_separator << "\"" << features[i].label.c_str() << "\"";
}
stream << "\n";
}
}
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