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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.
Centre for Digital Music, Queen Mary, University of London.
This file copyright 2006-2018 Chris Cannam and 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 "CSVAudioFormatDialog.h"
#include "layer/LayerFactory.h"
#include "TextAbbrev.h"
#include <QFrame>
#include <QGridLayout>
#include <QPushButton>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QTableWidget>
#include <QComboBox>
#include <QLabel>
#include <QDialogButtonBox>
#include <iostream>
#include <cmath>
#include "base/Debug.h"
namespace sv {
CSVAudioFormatDialog::CSVAudioFormatDialog(QWidget *parent, CSVFormat format,
int maxDisplayCols) :
QDialog(parent),
m_format(format),
m_maxDisplayCols(maxDisplayCols),
m_fuzzyColumn(-1)
{
setModal(true);
setWindowTitle(tr("Select Audio Data Format"));
QGridLayout *layout = new QGridLayout;
int row = 0;
layout->addWidget
(new QLabel(tr("Please select the correct data format for this file.")),
row++, 0, 1, 4);
QFrame *exampleFrame = new QFrame;
exampleFrame->setFrameStyle(QFrame::StyledPanel | QFrame::Sunken);
exampleFrame->setLineWidth(2);
QGridLayout *exampleLayout = new QGridLayout;
exampleLayout->setSpacing(4);
exampleFrame->setLayout(exampleLayout);
QPalette palette = exampleFrame->palette();
palette.setColor(QPalette::Window, palette.color(QPalette::Base));
exampleFrame->setPalette(palette);
QFont fp;
fp.setPointSize(int(floor(fp.pointSize() * 0.9)));
int columns = format.getColumnCount();
QList<QStringList> example = m_format.getExample();
for (int i = 0; i < columns; ++i) {
QComboBox *cpc = new QComboBox;
m_columnPurposeCombos.push_back(cpc);
exampleLayout->addWidget(cpc, 0, i);
connect(cpc, SIGNAL(activated(int)), this, SLOT(columnPurposeChanged(int)));
if (i == m_maxDisplayCols && columns > i + 2) {
m_fuzzyColumn = i;
cpc->addItem(tr("<ignore>"));
cpc->addItem(tr("Audio channels"));
cpc->setCurrentIndex
(m_format.getColumnPurpose(i-1) == CSVFormat::ColumnValue ?
1 : 0);
exampleLayout->addWidget
(new QLabel(tr("(%1 more)").arg(columns - i)), 1, i);
break;
}
cpc->addItem(tr("<ignore>"));
cpc->addItem(tr("Audio channel"));
cpc->setCurrentIndex
(m_format.getColumnPurpose(i) == CSVFormat::ColumnValue ? 1 : 0);
for (int j = 0; j < example.size() && j < 6; ++j) {
if (i >= example[j].size()) {
continue;
}
QLabel *label = new QLabel;
label->setTextFormat(Qt::PlainText);
QString text = TextAbbrev::abbreviate(example[j][i], 35);
label->setText(text);
label->setFont(fp);
label->setPalette(palette);
label->setIndent(8);
exampleLayout->addWidget(label, j+1, i);
}
}
layout->addWidget(exampleFrame, row, 0, 1, 4);
layout->setColumnStretch(3, 10);
layout->setRowStretch(row++, 10);
layout->addWidget(new QLabel(tr("Audio sample rate (Hz):")), row, 0);
int sampleRates[] = {
8000, 11025, 12000, 22050, 24000, 32000,
44100, 48000, 88200, 96000, 176400, 192000
};
m_sampleRateCombo = new QComboBox;
for (int i = 0; i < int(sizeof(sampleRates) / sizeof(sampleRates[0])); ++i) {
m_sampleRateCombo->addItem(QString("%1").arg(sampleRates[i]));
if (sampleRates[i] == m_format.getSampleRate()) {
m_sampleRateCombo->setCurrentIndex(i);
}
}
m_sampleRateCombo->setEditable(true);
layout->addWidget(m_sampleRateCombo, row++, 1);
connect(m_sampleRateCombo, SIGNAL(currentTextChanged(QString)),
this, SLOT(sampleRateChanged(QString)));
connect(m_sampleRateCombo, SIGNAL(editTextChanged(QString)),
this, SLOT(sampleRateChanged(QString)));
layout->addWidget(new QLabel(tr("Sample values are:")), row, 0);
m_sampleRangeCombo = new QComboBox;
// NB must be in the same order as the CSVFormat::AudioSampleRange enum
m_sampleRangeCombo->addItem(tr("Floating-point in range -1 to 1"));
m_sampleRangeCombo->addItem(tr("8-bit in range 0 to 255"));
m_sampleRangeCombo->addItem(tr("16-bit in range -32768 to 32767"));
m_sampleRangeCombo->addItem(tr("Unknown range: normalise on load"));
m_sampleRangeCombo->setCurrentIndex(int(m_format.getAudioSampleRange()));
layout->addWidget(m_sampleRangeCombo, row++, 1);
connect(m_sampleRangeCombo, SIGNAL(activated(int)),
this, SLOT(sampleRangeChanged(int)));
QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Ok |
QDialogButtonBox::Cancel);
layout->addWidget(bb, row++, 0, 1, 4);
connect(bb, SIGNAL(accepted()), this, SLOT(accept()));
connect(bb, SIGNAL(rejected()), this, SLOT(reject()));
setLayout(layout);
updateFormatFromDialog();
}
CSVAudioFormatDialog::~CSVAudioFormatDialog()
{
}
CSVFormat
CSVAudioFormatDialog::getFormat() const
{
return m_format;
}
void
CSVAudioFormatDialog::sampleRateChanged(QString rateString)
{
bool ok = false;
int sampleRate = rateString.toInt(&ok);
if (ok) m_format.setSampleRate(sampleRate);
}
void
CSVAudioFormatDialog::sampleRangeChanged(int range)
{
m_format.setAudioSampleRange((CSVFormat::AudioSampleRange)range);
}
void
CSVAudioFormatDialog::columnPurposeChanged(int)
{
updateFormatFromDialog();
}
void
CSVAudioFormatDialog::updateFormatFromDialog()
{
m_format.setModelType(CSVFormat::WaveFileModel);
m_format.setTimingType(CSVFormat::ImplicitTiming);
m_format.setTimeUnits(CSVFormat::TimeAudioFrames);
for (int i = 0; i < m_columnPurposeCombos.size(); ++i) {
QComboBox *thisCombo = m_columnPurposeCombos[i];
CSVFormat::ColumnPurpose purpose = (thisCombo->currentIndex() == 1 ?
CSVFormat::ColumnValue :
CSVFormat::ColumnUnknown);
if (i == m_fuzzyColumn) {
for (int j = i; j < m_format.getColumnCount(); ++j) {
m_format.setColumnPurpose(j, purpose);
}
} else {
m_format.setColumnPurpose(i, purpose);
}
}
}
} // end namespace sv
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