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|
/***************************************************************************
FileInfoDialog.cpp - dialog for editing file properties
-------------------
begin : Sat Jul 20 2002
copyright : (C) 2002 by Thomas Eschenbacher
email : Thomas.Eschenbacher@gmx.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#include "config.h"
#include <QCheckBox>
#include <QDateTime>
#include <QDialog>
#include <QFileInfo>
#include <QLabel>
#include <QListWidget>
#include <QPushButton>
#include <QRadioButton>
#include <QSlider>
#include <QSpinBox>
#include <QString>
#include <QStringList>
#include <QToolTip>
#include <QWhatsThis>
#include <QtGlobal>
#include <QUrl>
#include <QLineEdit>
#include <QLocale>
#include <QSpinBox>
#include <QDateEdit>
#include <KComboBox>
#include <KConfig>
#include <KConfigGroup>
#include <KHelpClient>
#include <KLocalizedString>
#include <KSharedConfig>
#include "libkwave/CodecManager.h"
#include "libkwave/Compression.h"
#include "libkwave/Encoder.h"
#include "libkwave/FileInfo.h"
#include "libkwave/GenreType.h"
#include "libkwave/SampleFormat.h"
#include "libkwave/String.h"
#include "libkwave/Utils.h"
#include "BitrateWidget.h"
#include "CompressionWidget.h"
#include "FileInfoDialog.h"
#include "KeywordWidget.h"
#include "SelectDateDialog.h"
using namespace Qt::StringLiterals;
/** section in the config file for storing default settings */
#define CONFIG_DEFAULT_SECTION u"plugin fileinfo - setup dialog"_s
//***************************************************************************
Kwave::FileInfoDialog::FileInfoDialog(QWidget *parent, Kwave::FileInfo &info)
:QDialog(parent), Ui::FileInfoDlg(), m_info(info)
{
setupUi(this);
connect(cbCompression, SIGNAL(currentIndexChanged(int)),
this, SLOT(compressionChanged()));
connect(cbMpegLayer, SIGNAL(currentIndexChanged(int)),
this, SLOT(mpegLayerChanged()));
connect(chkMpegCopyrighted, SIGNAL(clicked(bool)),
this, SLOT(mpegCopyrightedChanged(bool)));
connect(chkMpegOriginal, SIGNAL(clicked(bool)),
this, SLOT(mpegOriginalChanged(bool)));
connect(btHelp->button(QDialogButtonBox::Help), SIGNAL(clicked()),
this, SLOT(invokeHelp()));
// open config for reading default settings
KConfigGroup cfg = KSharedConfig::openConfig()->group(
CONFIG_DEFAULT_SECTION);
setupFileInfoTab();
setupCompressionTab(cfg);
setupMpegTab();
setupContentTab();
setupSourceTab();
setupAuthorCopyrightTab();
setupMiscellaneousTab();
// set the focus onto the "OK" button
buttonBox->button(QDialogButtonBox::Ok)->setFocus();
}
//***************************************************************************
Kwave::FileInfoDialog::~FileInfoDialog()
{
}
//***************************************************************************
void Kwave::FileInfoDialog::describeWidget(QWidget *widget,
const QString &name,
const QString &description)
{
if (!widget) return;
widget->setToolTip(description);
widget->setWhatsThis(_("<b>") + name + _("</b><br>") + description);
}
//***************************************************************************
void Kwave::FileInfoDialog::initInfo(QLabel *label, QWidget *widget,
Kwave::FileProperty property)
{
if (label) label->setText(i18n(UTF8(m_info.name(property))) + _(":"));
if (widget) describeWidget(widget,
i18n(UTF8(m_info.name(property))),
i18n(UTF8(m_info.description(property))));
}
//***************************************************************************
void Kwave::FileInfoDialog::initInfoText(QLabel *label, QLineEdit *edit,
Kwave::FileProperty property)
{
initInfo(label, edit, property);
if (edit) edit->setText(QVariant(m_info.get(property)).toString());
}
//***************************************************************************
void Kwave::FileInfoDialog::setupFileInfoTab()
{
/* filename */
initInfo(lblFileName, edFileName, Kwave::INF_FILENAME);
QFileInfo fi(QVariant(m_info.get(Kwave::INF_FILENAME)).toString());
QString file_name = fi.fileName();
edFileName->setText(file_name);
edFileName->setEnabled(file_name.length() != 0);
/* mime type */
QString mimetype = QVariant(m_info.get(Kwave::INF_MIMETYPE)).toString();
if (!mimetype.length())
mimetype = _("audio/x-wav"); // default mimetype
qDebug("mimetype = %s", DBG(mimetype));
/*
* Check if the file name, mime type and compression match. If not,
* we might be in the "SaveAs" mode and the compression belongs to
* the old file name
*/
if (file_name.length()) {
QString mt = Kwave::CodecManager::mimeTypeOf(QUrl(file_name));
Kwave::Encoder *encoder = Kwave::CodecManager::encoder(mt);
if (encoder) {
// encoder does not support the file's mime type -> switch
if (!encoder->supports(mt)) {
qDebug("switching mime type to '%s'", DBG(mt));
m_info.set(Kwave::INF_MIMETYPE, mt);
mimetype = mt;
}
// encoder does not support compression -> switch
QList<Kwave::Compression::Type> comps = encoder->compressionTypes();
Kwave::Compression::Type comp = Kwave::Compression::fromInt(
QVariant(m_info.get(Kwave::INF_COMPRESSION)).toInt()
);
if (!comps.contains(comp)) {
Kwave::Compression comp_old(comp);
Kwave::Compression comp_new(!comps.isEmpty() ?
comps.last() : Kwave::Compression::NONE
);
qDebug("compression '%s' not supported: switch to '%s'",
DBG(comp_old.name()), DBG(comp_new.name()));
m_info.set(Kwave::INF_COMPRESSION,
Kwave::Compression(comp).toInt());
}
// mime type does not match compression -> switch
QList<Kwave::Compression::Type> comps_found;
foreach (Kwave::Compression::Type c, comps) {
Kwave::Compression cmp(c);
if ((cmp.preferredMimeType() == mimetype) &&
comps.contains(c))
{
comps_found.append(c);
break;
}
}
if (!comps_found.isEmpty() && !comps_found.contains(comp)) {
Kwave::Compression::Type cn = comps_found.first();
Kwave::Compression comp_old(comp);
Kwave::Compression comp_new(cn);
qDebug("mime type/compression mismatch: "
"switch from '%s' to '%s'",
DBG(comp_old.name()), DBG(comp_new.name()));
m_info.set(Kwave::INF_COMPRESSION, comp_new.toInt());
}
}
}
edFileFormat->setText(mimetype);
/* file size in bytes */
initInfo(lblFileSize, edFileSize, Kwave::INF_FILESIZE);
if (m_info.contains(Kwave::INF_FILESIZE)) {
unsigned int size = QVariant(m_info.get(Kwave::INF_FILESIZE)).toUInt();
QString dotted = QLocale().toString(size);
if (size < 10*1024) {
edFileSize->setText(i18n("%1 bytes", dotted));
} else if (size < 10*1024*1024) {
edFileSize->setText(i18n("%1 kB (%2 byte)",
(size / 1024), dotted));
} else {
edFileSize->setText(i18n("%1 MB (%2 byte)",
(size / (1024*1024)), dotted));
}
} else {
edFileSize->setEnabled(false);
}
/* file format (from mime type) */
// use mimetype instead
initInfoText(lblFileFormat, edFileFormat, Kwave::INF_MIMETYPE);
/* sample rate */
lblSampleRate->setText(i18n("Sample rate:"));
describeWidget(cbSampleRate, lblSampleRate->text().left(
lblSampleRate->text().length() - 1),
i18n("Here you can select one of the predefined\n"
"well-known sample rates or you can enter\n"
"any sample rate on your own."));
cbSampleRate->setEditText(QString::number(m_info.rate()));
/* bits per sample */
lblResolution->setText(i18n("Resolution:"));
describeWidget(sbResolution, lblResolution->text().left(
lblResolution->text().length() - 1),
i18n("Select a resolution in bits in which the file\n"
"will be saved."));
sbResolution->setValue(m_info.bits());
/* number of tracks */
lblChannels->setText(i18n("Tracks:"));
describeWidget(sbChannels, lblChannels->text().left(
lblChannels->text().length() - 1),
i18n("Shows the number of tracks of the signal.\n"
"You can add or delete tracks via the Edit menu."));
sbChannels->setMaximum(m_info.tracks());
sbChannels->setMinimum(m_info.tracks());
sbChannels->setValue(m_info.tracks());
connect(sbChannels, SIGNAL(valueChanged(int)),
this, SLOT(tracksChanged(int)));
tracksChanged(sbChannels->value());
/* length of the signal */
lblLength->setText(i18n("Length:"));
describeWidget(txtLength, lblLength->text().left(
lblLength->text().length() - 1),
i18n("Shows the length of the file in samples\n"
"and if possible as time."));
sample_index_t samples = m_info.length();
double rate = m_info.rate();
if (!qFuzzyIsNull(rate)) {
double ms = static_cast<double>(samples) * 1E3 / rate;
txtLength->setText(i18n("%1 (%2 samples)",
Kwave::ms2string(ms),
Kwave::samples2string(samples)));
} else {
txtLength->setText(i18n("%1 samples",
Kwave::samples2string(samples)));
}
/* sample format */
initInfo(lblSampleFormat, cbSampleFormat, Kwave::INF_SAMPLE_FORMAT);
cbSampleFormat->clear();
Kwave::SampleFormat::Map sf;
const QList<int> formats = sf.keys();
foreach (const int &k, formats) {
cbSampleFormat->addItem(
sf.description(k, true),
QVariant(Kwave::SampleFormat(sf.data(k)).toInt())
);
}
int format = QVariant(m_info.get(Kwave::INF_SAMPLE_FORMAT)).toInt();
if (format == 0)
format = Kwave::SampleFormat::Signed; // default = signed int
cbSampleFormat->setCurrentIndex(cbSampleFormat->findData(format));
}
//***************************************************************************
void Kwave::FileInfoDialog::setupCompressionTab(KConfigGroup &cfg)
{
/*
* mime type @ file info -> available compressions
* compression @ file info / available compressions -> selected compression
* selected compression -> mime type (edit field)
* mime type -> mpeg/ogg/flac mode
* mgeg layer -> compression
*/
/* compression */
updateAvailableCompressions();
initInfo(lblCompression, cbCompression, Kwave::INF_COMPRESSION);
compressionWidget->init(m_info);
compressionWidget->setMode(m_info.contains(Kwave::INF_VBR_QUALITY) ?
Kwave::CompressionWidget::VBR_MODE :
Kwave::CompressionWidget::ABR_MODE);
// ABR bitrate settings
int abr_bitrate = m_info.contains(Kwave::INF_BITRATE_NOMINAL) ?
QVariant(m_info.get(Kwave::INF_BITRATE_NOMINAL)).toInt() :
cfg.readEntry("default_abr_nominal_bitrate", -1);
int min_bitrate = m_info.contains(Kwave::INF_BITRATE_LOWER) ?
QVariant(m_info.get(Kwave::INF_BITRATE_LOWER)).toInt() :
cfg.readEntry("default_abr_lower_bitrate",-1);
int max_bitrate = m_info.contains(Kwave::INF_BITRATE_UPPER) ?
QVariant(m_info.get(Kwave::INF_BITRATE_UPPER)).toInt() :
cfg.readEntry("default_abr_upper_bitrate",-1);
compressionWidget->setBitrates(abr_bitrate, min_bitrate, max_bitrate);
// VBR base quality
int quality = m_info.contains(Kwave::INF_VBR_QUALITY) ?
QVariant(m_info.get(Kwave::INF_VBR_QUALITY)).toInt() :
cfg.readEntry("default_vbr_quality", -1);
compressionWidget->setQuality(quality);
compressionChanged();
// // this is not visible, not implemented yet...
// InfoTab->setCurrentPage(5);
// QWidget *page = InfoTab->currentPage();
// InfoTab->removePage(page);
// InfoTab->setCurrentPage(0);
// return;
}
//***************************************************************************
void Kwave::FileInfoDialog::setupMpegTab()
{
// the whole tab is only enabled in mpeg mode
InfoTab->setTabEnabled(2, isMpeg());
/* MPEG layer */
initInfo(lblMpegLayer, cbMpegLayer, Kwave::INF_MPEG_LAYER);
int layer = m_info.get(Kwave::INF_MPEG_LAYER).toInt();
if ((layer < 1) || (layer > 3))
layer = 3; // default = layer III
cbMpegLayer->setCurrentIndex(layer - 1);
/* MPEG version */
initInfo(lblMpegVersion, cbMpegVersion, Kwave::INF_MPEG_VERSION);
int ver = Kwave::toInt(
(2.0 * QVariant(m_info.get(Kwave::INF_MPEG_VERSION)).toDouble()));
// 1, 2, 2.5 -> 2, 4, 5
if ((ver < 1) || (ver > 5)) ver = 4; // default = version 2
if (ver > 3) ver++; // 2, 4, 6
ver >>= 1; // 1, 2, 3
ver--; // 0, 1, 2
if ((ver < 0) || (ver > 2)) ver = 1; // default = version 2
cbMpegVersion->setCurrentIndex(ver);
/* Mode extension */
initInfo(lblMpegModeExt, cbMpegModeExt, Kwave::INF_MPEG_MODEEXT);
// only in "Joint Stereo" mode, then depends on Layer
//
// Layer I+II | Layer III
// | Intensity stereo MS Stereo
//--------------------------------------------------
// 0 - bands 4 to 31 | off off -> 4
// 1 - bands 8 to 31 | on off -> 5
// 2 - bands 12 to 31 | off on -> 6
// 3 - bands 16 to 31 | on on -> 7
int modeext = -1;
if (m_info.contains(Kwave::INF_MPEG_MODEEXT))
modeext = QVariant(m_info.get(Kwave::INF_MPEG_MODEEXT)).toInt();
if (modeext < 0) {
// find some reasonable default
if (m_info.tracks() < 2) {
// mono -> -1
} else if (layer < 3) {
// Layer I or II -> 0
modeext = 0;
} else {
// Layer III -> 7
modeext = 7;
}
}
if ((modeext >= 0) && (modeext <= 3)) {
cbMpegModeExt->setEnabled(true);
cbMpegModeExt->setCurrentIndex(modeext);
chkMpegIntensityStereo->setEnabled(false);
chkMpegMSStereo->setEnabled(false);
} else if ((modeext >= 4) && (modeext <= 7)) {
cbMpegModeExt->setEnabled(false);
cbMpegModeExt->setCurrentIndex(-1);
chkMpegIntensityStereo->setEnabled(true);
chkMpegIntensityStereo->setChecked(modeext & 0x01);
chkMpegMSStereo->setEnabled(true);
chkMpegMSStereo->setChecked(modeext & 0x02);
} else {
cbMpegModeExt->setEnabled(false);
cbMpegModeExt->setCurrentIndex(-1);
chkMpegIntensityStereo->setEnabled(false);
chkMpegMSStereo->setEnabled(false);
}
/* Emphasis */
initInfo(lblMpegEmphasis, cbMpegEmphasis, Kwave::INF_MPEG_EMPHASIS);
int emphasis = QVariant(m_info.get(Kwave::INF_MPEG_EMPHASIS)).toInt();
switch (emphasis) {
case 0: cbMpegEmphasis->setCurrentIndex(0); break;
case 1: cbMpegEmphasis->setCurrentIndex(1); break;
case 3: cbMpegEmphasis->setCurrentIndex(2); break;
default: cbMpegEmphasis->setEnabled(false); break;
}
/* Copyrighted */
initInfo(lblMpegCopyrighted, chkMpegCopyrighted, Kwave::INF_COPYRIGHTED);
bool copyrighted = QVariant(m_info.get(Kwave::INF_COPYRIGHTED)).toBool();
chkMpegCopyrighted->setChecked(copyrighted);
mpegCopyrightedChanged(copyrighted);
/* Original */
initInfo(lblMpegOriginal, chkMpegOriginal, Kwave::INF_ORIGINAL);
bool original = QVariant(m_info.get(Kwave::INF_ORIGINAL)).toBool();
chkMpegOriginal->setChecked(original);
mpegOriginalChanged(original);
mpegLayerChanged();
}
//***************************************************************************
void Kwave::FileInfoDialog::setupContentTab()
{
/* name, subject, version, genre, title, author, organization,
copyright, license */
initInfoText(lblName, edName, Kwave::INF_NAME);
initInfoText(lblSubject, edSubject, Kwave::INF_SUBJECT);
initInfoText(lblVersion, edVersion, Kwave::INF_VERSION);
// genre type
cbGenre->addItems(Kwave::GenreType::allTypes());
QString genre = m_info.get(Kwave::INF_GENRE).toString();
int genre_id = Kwave::GenreType::id(genre);
if (genre_id >= 0) {
// well known genre type
genre = Kwave::GenreType::name(genre_id, true);
} else {
// user defined genre type
cbGenre->addItem(genre);
}
initInfo(lblGenre, cbGenre, Kwave::INF_GENRE);
cbGenre->setCurrentIndex(cbGenre->findText(genre));
/* date widget */
initInfo(lblDate, dateEdit, Kwave::INF_CREATION_DATE);
QDate date;
QString date_str =
QVariant(m_info.get(Kwave::INF_CREATION_DATE)).toString();
if (m_info.contains(Kwave::INF_CREATION_DATE)) {
if (date_str.length())
date = QDate::fromString(date_str, Qt::ISODate);
}
if (!date.isValid()) {
// fall back to "year only"
int year = date_str.toInt();
if ((year > 0) && (year <= 9999))
date = QDate(year, 1, 1);
}
if (!date.isValid()) {
// fall back to "now"
date = QDate::currentDate();
}
dateEdit->setDate(date);
connect(btSelectDate, SIGNAL(clicked()), this, SLOT(selectDate()));
connect(btSelectDateNow, SIGNAL(clicked()), this, SLOT(setDateNow()));
}
//***************************************************************************
void Kwave::FileInfoDialog::setupSourceTab()
{
/* source, source form */
initInfoText(lblSource, edSource, Kwave::INF_SOURCE);
initInfoText(lblSourceForm, edSourceForm, Kwave::INF_SOURCE_FORM);
/* Album, CD and track */
initInfoText(lblAlbum, edAlbum, Kwave::INF_ALBUM);
initInfo(lblCD, sbCD, Kwave::INF_CD);
int cd = (m_info.contains(Kwave::INF_CD)) ?
QVariant(m_info.get(Kwave::INF_CD)).toInt() : 0;
sbCD->setValue(cd);
initInfo(nullptr, sbCDs, Kwave::INF_CDS);
int cds = (m_info.contains(Kwave::INF_CDS)) ?
QVariant(m_info.get(Kwave::INF_CDS)).toInt() : 0;
sbCDs->setValue(cds);
initInfo(lblTrack, sbTrack, Kwave::INF_TRACK);
int track = (m_info.contains(Kwave::INF_TRACK)) ?
QVariant(m_info.get(Kwave::INF_TRACK)).toInt() : 0;
sbTrack->setValue(track);
initInfo(nullptr, sbTracks, Kwave::INF_TRACKS);
int tracks = (m_info.contains(Kwave::INF_TRACKS)) ?
QVariant(m_info.get(Kwave::INF_TRACKS)).toInt() : 0;
sbTracks->setValue(tracks);
/* software, engineer, technician */
initInfoText(lblSoftware, edSoftware, Kwave::INF_SOFTWARE);
initInfoText(lblEngineer, edEngineer, Kwave::INF_ENGINEER);
initInfoText(lblTechnican, edTechnican, Kwave::INF_TECHNICAN);
}
//***************************************************************************
void Kwave::FileInfoDialog::setupAuthorCopyrightTab()
{
/* author organization, copyright, license, ISRC */
initInfoText(lblAuthor, edAuthor, Kwave::INF_AUTHOR);
initInfoText(lblOrganization, edOrganization, Kwave::INF_ORGANIZATION);
initInfoText(lblCopyright, edCopyright, Kwave::INF_COPYRIGHT);
initInfoText(lblLicense, edLicense, Kwave::INF_LICENSE);
initInfoText(lblISRC, edISRC, Kwave::INF_ISRC);
/* product, archival, contact */
initInfoText(lblProduct, edProduct, Kwave::INF_PRODUCT);
initInfoText(lblArchival, edArchival, Kwave::INF_ARCHIVAL);
initInfoText(lblContact, edContact, Kwave::INF_CONTACT);
}
//***************************************************************************
void Kwave::FileInfoDialog::setupMiscellaneousTab()
{
/* commissioned */
initInfoText(lblCommissioned, edCommissioned, Kwave::INF_COMMISSIONED);
/* list of keywords */
lblKeywords->setText(
i18n(m_info.name(Kwave::INF_KEYWORDS).toLatin1().constData()));
lstKeywords->setWhatsThis(_("<b>") +
i18n(m_info.name(Kwave::INF_KEYWORDS).toLatin1().constData()) +
_("</b><br>") +
i18n(m_info.description(Kwave::INF_KEYWORDS).toLatin1().constData()));
if (m_info.contains(Kwave::INF_KEYWORDS)) {
QString keywords =
QVariant(m_info.get(Kwave::INF_KEYWORDS)).toString();
lstKeywords->setKeywords(keywords.split(_(";")));
}
connect(lstKeywords, SIGNAL(autoGenerate()),
this, SLOT(autoGenerateKeywords()));
}
//***************************************************************************
void Kwave::FileInfoDialog::selectDate()
{
QDate date(dateEdit->date());
Kwave::SelectDateDialog date_dialog(this, date);
if (date_dialog.exec() == QDialog::Accepted) {
date = date_dialog.date();
dateEdit->setDate(date);
}
}
//***************************************************************************
void Kwave::FileInfoDialog::setDateNow()
{
dateEdit->setDate(QDate::currentDate());
}
//***************************************************************************
void Kwave::FileInfoDialog::tracksChanged(int tracks)
{
switch (tracks) {
case 1:
lblChannelsVerbose->setText(i18n("(Mono)"));
break;
case 2:
lblChannelsVerbose->setText(i18n("(Stereo)"));
break;
case 4:
lblChannelsVerbose->setText(i18n("(Quadro)"));
break;
default:
lblChannelsVerbose->setText(_(""));
break;
}
}
//***************************************************************************
void Kwave::FileInfoDialog::updateAvailableCompressions()
{
cbCompression->blockSignals(true);
QList<Kwave::Compression::Type> supported_compressions;
QString mime_type = m_info.get(Kwave::INF_MIMETYPE).toString();
// switch by mime type:
if (mime_type.length()) {
// mime type is present -> offer only matching compressions
Kwave::Encoder *encoder = Kwave::CodecManager::encoder(mime_type);
if (encoder) supported_compressions = encoder->compressionTypes();
} else {
// no mime type -> allow all mimetypes suitable for encoding
supported_compressions.append(Kwave::Compression::NONE);
QStringList mime_types = Kwave::CodecManager::encodingMimeTypes();
foreach (QString m, mime_types) {
Kwave::Encoder *encoder = Kwave::CodecManager::encoder(m);
if (!encoder) continue;
QList<Kwave::Compression::Type> comps =
encoder->compressionTypes();
foreach (Kwave::Compression::Type c, comps)
if (!supported_compressions.contains(c))
supported_compressions.append(c);
}
}
// if nothing is supported, then use only "none"
if (supported_compressions.isEmpty())
supported_compressions.append(Kwave::Compression::NONE);
// add supported compressions to the combo box
cbCompression->clear();
foreach (Kwave::Compression::Type c, supported_compressions) {
Kwave::Compression compression(c);
cbCompression->addItem(compression.name(), compression.toInt());
}
cbCompression->blockSignals(false);
// update the selection of the compression type
int c = QVariant(m_info.get(Kwave::INF_COMPRESSION)).toInt();
int new_index = cbCompression->findData(c);
// take the highest supported compression if changed to "invalid"
// (assuming that the last entry in the list is the best one)
if (new_index < 0)
new_index = cbCompression->count() - 1;
cbCompression->setCurrentIndex(new_index);
}
//***************************************************************************
void Kwave::FileInfoDialog::compressionChanged()
{
if (!cbCompression || !edFileFormat) return;
Kwave::Compression::Type compression =
Kwave::Compression::fromInt(cbCompression->itemData(
cbCompression->currentIndex()).toInt()
);
const Kwave::Compression comp(compression);
const QString preferred_mime_type = comp.preferredMimeType();
// selected compression -> mime type (edit field)
if (preferred_mime_type.length()) {
// if a compression implies a specific mime type -> select it
edFileFormat->setText(preferred_mime_type);
} else {
// if mime type is given by file info -> keep it
// otherwise select one by evaluating the compression <-> encoder
QString file_mime_type = m_info.get(Kwave::INF_MIMETYPE).toString();
if (!file_mime_type.length()) {
// determine mime type from a matching encoder.
// This should work for compression types that are supported by
// only one single encoder which also supports only one single
// mime type
QStringList mime_types = Kwave::CodecManager::encodingMimeTypes();
foreach (const QString &mime_type, mime_types) {
Kwave::Encoder *encoder =
Kwave::CodecManager::encoder(mime_type);
if (!encoder) continue;
QList<Kwave::Compression::Type> comps =
encoder->compressionTypes();
if (comps.contains(compression)) {
edFileFormat->setText(mime_type);
break;
}
}
}
}
// if mpeg mode selected -> select mpeg layer
int mpeg_layer = -1;
switch (compression)
{
case Kwave::Compression::MPEG_LAYER_I: mpeg_layer = 1; break;
case Kwave::Compression::MPEG_LAYER_II: mpeg_layer = 2; break;
case Kwave::Compression::MPEG_LAYER_III: mpeg_layer = 3; break;
default: break;
}
InfoTab->setTabEnabled(2, isMpeg());
if ((mpeg_layer > 0) && (cbMpegLayer->currentIndex() != (mpeg_layer - 1)))
cbMpegLayer->setCurrentIndex(mpeg_layer - 1);
// enable/disable ABR/VBR controls, depending on mime type
const bool abr = comp.hasABR();
const bool lower = abr && m_info.contains(Kwave::INF_BITRATE_LOWER);
const bool upper = abr && m_info.contains(Kwave::INF_BITRATE_UPPER);
const bool vbr = comp.hasVBR();
compressionWidget->enableABR(abr, lower, upper);
compressionWidget->enableVBR(vbr);
cbSampleFormat->setEnabled(!comp.sampleFormats().isEmpty());
if (abr && !vbr)
compressionWidget->setMode(Kwave::CompressionWidget::ABR_MODE);
else if (!abr && vbr)
compressionWidget->setMode(Kwave::CompressionWidget::VBR_MODE);
}
//***************************************************************************
bool Kwave::FileInfoDialog::isMpeg() const
{
int compression = cbCompression->itemData(
cbCompression->currentIndex()).toInt();
switch (compression)
{
case Kwave::Compression::MPEG_LAYER_I:
case Kwave::Compression::MPEG_LAYER_II:
case Kwave::Compression::MPEG_LAYER_III:
return true;
default:
return false;
}
}
//***************************************************************************
void Kwave::FileInfoDialog::mpegLayerChanged()
{
if (!cbMpegLayer || !isMpeg()) return;
int layer = cbMpegLayer->currentIndex() + 1;
int compression = Kwave::Compression::NONE;
switch (layer) {
case 1:
compression = Kwave::Compression::MPEG_LAYER_I;
break;
case 2:
compression = Kwave::Compression::MPEG_LAYER_II;
break;
case 3:
compression = Kwave::Compression::MPEG_LAYER_III;
break;
DEFAULT_IGNORE;
}
if (compression != Kwave::Compression::NONE) {
int index = cbCompression->findData(compression);
if (index >= 0) cbCompression->setCurrentIndex(index);
}
/* Mode extension */
// only in "Joint Stereo" mode, then depends on Layer
//
// Layer I+II | Layer III
// | Intensity stereo MS Stereo
//--------------------------------------------------
// 0 - bands 4 to 31 | off off -> 4
// 1 - bands 8 to 31 | on off -> 5
// 2 - bands 12 to 31 | off on -> 6
// 3 - bands 16 to 31 | on on -> 7
if (m_info.tracks() < 2) {
// mono
cbMpegModeExt->setEnabled(false);
cbMpegModeExt->setCurrentIndex(-1);
chkMpegIntensityStereo->setEnabled(false);
chkMpegIntensityStereo->setChecked(false);
chkMpegMSStereo->setEnabled(false);
chkMpegMSStereo->setChecked(false);
} else if (cbMpegModeExt->isEnabled() && (layer >= 3)) {
// switched from layer I or II to layer III
cbMpegModeExt->setEnabled(false);
int modeext = QVariant(m_info.get(Kwave::INF_MPEG_MODEEXT)).toInt();
if ((modeext < 4) || (modeext > 7)) {
modeext = 7; // default to MS stereo + Intensity stereo
chkMpegIntensityStereo->setChecked(modeext & 0x01);
chkMpegMSStereo->setChecked(modeext & 0x02);
}
chkMpegIntensityStereo->setEnabled(true);
chkMpegMSStereo->setEnabled(true);
} else if (!cbMpegModeExt->isEnabled() && (layer <= 2)) {
// switched from layer III to layer I or II
int modeext = (m_info.contains(Kwave::INF_MPEG_MODEEXT)) ?
QVariant(m_info.get(Kwave::INF_MPEG_MODEEXT)).toInt() : -1;
if ((modeext < 0) || (modeext > 3)) {
modeext = 0; // default bands 4 to 31
cbMpegModeExt->setCurrentIndex(modeext);
}
cbMpegModeExt->setEnabled(true);
chkMpegIntensityStereo->setEnabled(false);
chkMpegMSStereo->setEnabled(false);
}
}
//***************************************************************************
void Kwave::FileInfoDialog::mpegCopyrightedChanged(bool checked)
{
chkMpegCopyrighted->setText((checked) ? i18n("Yes") : i18n("No"));
}
//***************************************************************************
void Kwave::FileInfoDialog::mpegOriginalChanged(bool checked)
{
chkMpegOriginal->setText((checked) ? i18n("Yes") : i18n("No"));
}
//***************************************************************************
void Kwave::FileInfoDialog::autoGenerateKeywords()
{
// start with the current list
QStringList list = lstKeywords->keywords();
// name, subject, version, genre, author, organization,
// copyright, license, source, source form, album,
// product, archival, contact, software, technician, engineer,
// commissioned, ISRC
const QString space = _(" ");
list += edName->text().split(space);
list += edSubject->text().split(space);
list += edVersion->text().split(space);
list += cbGenre->currentText();
list += edAuthor->text().split(space);
list += edOrganization->text().split(space);
list += edCopyright->text().split(space);
list += edLicense->text().split(space);
list += edSource->text().split(space);
list += edSourceForm->text().split(space);
list += edAlbum->text().split(space);
list += edProduct->text().split(space);
list += edArchival->text().split(space);
list += edContact->text().split(space);
list += edSoftware->text().split(space);
list += edTechnican->text().split(space);
list += edEngineer->text().split(space);
list += edCommissioned->text().split(space);
list += edISRC->text().split(space);
// filter out all useless stuff
QMutableStringListIterator it(list);
while (it.hasNext()) {
QString token = it.next();
// remove punktation characters like '.', ',', '!' from start and end
while (token.length()) {
QString old_value = token;
QChar c = token[token.length()-1];
if (c.isPunct() || c.isMark() || c.isSpace())
token = token.left(token.length()-1);
if (!token.length()) break;
c = token[0];
if (c.isPunct() || c.isMark() || c.isSpace())
token = token.right(token.length()-1);
if (token == old_value) break; // no (more) change(s)
}
// remove empty entries
if (!token.length()) {
it.remove();
continue;
}
// remove simple numbers and too short stuff
bool ok = false;
token.toInt(&ok);
if ((ok) || (token.length() < 3)) {
it.remove(); // number or less than 3 characters -> remove
continue;
}
// remove duplicates that differ in case
bool is_duplicate = false;
QStringListIterator it2(list);
while (it2.hasNext()) {
QString token2 = it2.next();
if (list.indexOf(token) == list.lastIndexOf(token2)) continue;
if (token2.compare(token, Qt::CaseInsensitive) == 0) {
// take the one with less uppercase characters
unsigned int upper1 = 0;
unsigned int upper2 = 0;
for (int i=0; i < token.length(); ++i)
if (token[i].category() == QChar::Letter_Uppercase)
upper1++;
for (int i=0; i < token2.length(); ++i)
if (token2[i].category() == QChar::Letter_Uppercase)
upper2++;
if (upper2 < upper1) {
is_duplicate = true;
break;
}
}
}
if (is_duplicate) {
it.remove();
continue;
}
it.setValue(token);
}
// other stuff like empty strings and duplicates are handled in
// the list itself, we don't need to take care of that here :)
lstKeywords->setKeywords(list);
}
//***************************************************************************
void Kwave::FileInfoDialog::acceptEdit(Kwave::FileProperty property,
QString value)
{
value = value.simplified();
if (!m_info.contains(property) && !value.length()) return;
if (!value.length()) {
m_info.set(property, QVariant());
} else {
m_info.set(property, value);
}
}
//***************************************************************************
void Kwave::FileInfoDialog::accept()
{
// save defaults for next time...
KConfigGroup cfg = KSharedConfig::openConfig()->group(
CONFIG_DEFAULT_SECTION);
cfg.sync();
{
int nominal, upper, lower;
compressionWidget->getABRrates(nominal, lower, upper);
cfg.writeEntry("default_abr_nominal_bitrate", nominal);
cfg.writeEntry("default_abr_upper_bitrate", upper);
cfg.writeEntry("default_abr_lower_bitrate", lower);
int quality = compressionWidget->baseQuality();
cfg.writeEntry("default_vbr_quality", quality);
}
cfg.sync();
qDebug("FileInfoDialog::accept()");
m_info.dump();
/* mime type */
m_info.set(Kwave::INF_MIMETYPE, edFileFormat->text());
/* bits per sample */
m_info.setBits(sbResolution->value());
/* sample rate */
m_info.setRate(cbSampleRate->currentText().toDouble());
/* sample format */
Kwave::SampleFormat::Map sample_formats;
int sample_format =
cbSampleFormat->itemData(cbSampleFormat->currentIndex()).toInt();
m_info.set(Kwave::INF_SAMPLE_FORMAT, QVariant(sample_format));
/* compression */
Kwave::Compression::Type compression = Kwave::Compression::fromInt(
cbCompression->itemData(cbCompression->currentIndex()).toInt()
);
m_info.set(Kwave::INF_COMPRESSION,
(compression != Kwave::Compression::NONE) ?
QVariant(Kwave::Compression(compression).toInt()) :
QVariant());
/* MPEG layer */
if (isMpeg()) {
int layer = cbMpegLayer->currentIndex() + 1;
m_info.set(Kwave::INF_MPEG_LAYER, layer);
// only in "Joint Stereo" mode, then depends on Layer
//
// Layer I+II | Layer III
// | Intensity stereo MS Stereo
//--------------------------------------------------
// 0 - bands 4 to 31 | off off -> 4
// 1 - bands 8 to 31 | on off -> 5
// 2 - bands 12 to 31 | off on -> 6
// 3 - bands 16 to 31 | on on -> 7
if (m_info.tracks() < 2) {
// mono -> no mode ext.
m_info.set(Kwave::INF_MPEG_MODEEXT, QVariant());
} else if (cbMpegModeExt->isEnabled()) {
// Layer I+II
int modeext = cbMpegModeExt->currentIndex();
m_info.set(Kwave::INF_MPEG_MODEEXT, modeext);
} else {
// Layer III
int modeext = 4;
if (chkMpegIntensityStereo->isChecked()) modeext |= 1;
if (chkMpegMSStereo->isChecked()) modeext |= 2;
m_info.set(Kwave::INF_MPEG_MODEEXT, modeext);
}
int emphasis = 0;
switch (cbMpegEmphasis->currentIndex()) {
case 1: emphasis = 1; break; /* 1 -> 1 */
case 2: emphasis = 3; break; /* 2 -> 3 */
case 0: /* FALLTHROUGH */
default: emphasis = 0; break; /* 0 -> 0 */
}
m_info.set(Kwave::INF_MPEG_EMPHASIS, emphasis);
bool copyrighted = chkMpegCopyrighted->isChecked();
m_info.set(Kwave::INF_COPYRIGHTED, copyrighted);
bool original = chkMpegOriginal->isChecked();
m_info.set(Kwave::INF_ORIGINAL, original);
} else {
m_info.set(Kwave::INF_MPEG_MODEEXT, QVariant());
m_info.set(Kwave::INF_MPEG_EMPHASIS, QVariant());
m_info.set(Kwave::INF_COPYRIGHTED, QVariant());
m_info.set(Kwave::INF_ORIGINAL, QVariant());
}
/* bitrate in Ogg/Vorbis or MPEG mode */
const Kwave::Compression comp(compression);
if (comp.hasABR() || comp.hasVBR()) {
Kwave::CompressionWidget::Mode mode = compressionWidget->mode();
QVariant del;
switch (mode) {
case Kwave::CompressionWidget::ABR_MODE: {
int nominal, upper, lower;
compressionWidget->getABRrates(nominal, lower, upper);
bool use_lowest = compressionWidget->lowestEnabled();
bool use_highest = compressionWidget->highestEnabled();
m_info.set(Kwave::INF_BITRATE_NOMINAL, QVariant(nominal));
m_info.set(Kwave::INF_BITRATE_LOWER,
(use_lowest) ? QVariant(lower) : del);
m_info.set(Kwave::INF_BITRATE_UPPER,
(use_highest) ? QVariant(upper) : del);
m_info.set(Kwave::INF_VBR_QUALITY, del);
break;
}
case Kwave::CompressionWidget::VBR_MODE: {
int quality = compressionWidget->baseQuality();
m_info.set(Kwave::INF_BITRATE_NOMINAL, del);
m_info.set(Kwave::INF_BITRATE_LOWER, del);
m_info.set(Kwave::INF_BITRATE_UPPER, del);
m_info.set(Kwave::INF_VBR_QUALITY, QVariant(quality));
break;
}
DEFAULT_IMPOSSIBLE;
}
}
/* name, subject, version, genre, title, author, organization,
copyright */
acceptEdit(Kwave::INF_NAME, edName->text());
acceptEdit(Kwave::INF_SUBJECT, edSubject->text());
acceptEdit(Kwave::INF_VERSION, edVersion->text());
acceptEdit(Kwave::INF_GENRE, cbGenre->currentText());
acceptEdit(Kwave::INF_AUTHOR, edAuthor->text());
acceptEdit(Kwave::INF_ORGANIZATION, edOrganization->text());
acceptEdit(Kwave::INF_COPYRIGHT, edCopyright->text());
acceptEdit(Kwave::INF_LICENSE, edLicense->text());
/* date */
QDate date = dateEdit->date();
if ( (date != QDate::currentDate()) ||
m_info.contains(Kwave::INF_CREATION_DATE) )
{
m_info.set(Kwave::INF_CREATION_DATE, QVariant(date).toString());
}
/* source, source form, album */
acceptEdit(Kwave::INF_SOURCE, edSource->text());
acceptEdit(Kwave::INF_SOURCE_FORM, edSourceForm->text());
acceptEdit(Kwave::INF_ALBUM, edAlbum->text());
/* CD and track */
QVariant empty;
int cd = sbCD->value();
int cds = sbCDs->value();
int track = sbTrack->value();
int tracks = sbTracks->value();
m_info.set(Kwave::INF_CD, (cd != 0) ? QVariant(cd) : empty);
m_info.set(Kwave::INF_CDS, (cds != 0) ? QVariant(cds) : empty);
m_info.set(Kwave::INF_TRACK, (track != 0) ? QVariant(track) : empty);
m_info.set(Kwave::INF_TRACKS, (tracks != 0) ? QVariant(tracks) : empty);
/* product, archival, contact */
acceptEdit(Kwave::INF_PRODUCT, edProduct->text());
acceptEdit(Kwave::INF_ARCHIVAL, edArchival->text());
acceptEdit(Kwave::INF_CONTACT, edContact->text());
/* software, engineer, technician, commissioned, ISRC, keywords */
acceptEdit(Kwave::INF_SOFTWARE, edSoftware->text());
acceptEdit(Kwave::INF_ENGINEER, edEngineer->text());
acceptEdit(Kwave::INF_TECHNICAN, edTechnican->text());
acceptEdit(Kwave::INF_COMMISSIONED,edCommissioned->text());
// acceptEdit(Kwave::INF_ISRC, edISRC->text()); <- READ-ONLY
// list of keywords
acceptEdit(Kwave::INF_KEYWORDS,
lstKeywords->keywords().join(_("; ")));
qDebug("FileInfoDialog::accept() [done]");
m_info.dump();
QDialog::accept();
}
//***************************************************************************
void Kwave::FileInfoDialog::invokeHelp()
{
KHelpClient::invokeHelp(_("fileinfo"));
}
//***************************************************************************
//***************************************************************************
#include "moc_FileInfoDialog.cpp"
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