void BeatGrid::scale(enum BPMScale scale) {
double bpm = getBpm();
switch (scale) {
case DOUBLE:
bpm *= 2;
break;
case HALVE:
bpm *= 1.0 / 2;
break;
case TWOTHIRDS:
bpm *= 2.0 / 3;
break;
case THREEFOURTHS:
bpm *= 3.0 / 4;
break;
case FOURTHIRDS:
bpm *= 4.0 / 3;
break;
case THREEHALVES:
bpm *= 3.0 / 2;
break;
default:
DEBUG_ASSERT(!"scale value invalid");
return;
}
setBpm(bpm);
}
QString TrackInfoObject::getBpmStr() const
{
return QString("%1").arg(getBpm(), 3,'f',1);
}
void BrowseThread::populateModel() {
m_path_mutex.lock();
MDir thisPath = m_path;
BrowseTableModel* thisModelObserver = m_model_observer;
m_path_mutex.unlock();
// Refresh the name filters in case we loaded new SoundSource plugins.
QStringList nameFilters(SoundSourceProxy::getSupportedFileNamePatterns());
QDirIterator fileIt(thisPath.dir().absolutePath(), nameFilters,
QDir::Files | QDir::NoDotAndDotDot);
// remove all rows
// This is a blocking operation
// see signal/slot connection in BrowseTableModel
emit(clearModel(thisModelObserver));
QList< QList<QStandardItem*> > rows;
int row = 0;
// Iterate over the files
while (fileIt.hasNext()) {
// If a user quickly jumps through the folders
// the current task becomes "dirty"
m_path_mutex.lock();
MDir newPath = m_path;
m_path_mutex.unlock();
if (thisPath.dir() != newPath.dir()) {
qDebug() << "Abort populateModel()";
return populateModel();
}
QString filepath = fileIt.next();
auto pTrack = Track::newTemporary(filepath, thisPath.token());
SoundSourceProxy(pTrack).updateTrackFromSource();
QList<QStandardItem*> row_data;
QStandardItem* item = new QStandardItem("0");
item->setData("0", Qt::UserRole);
row_data.insert(COLUMN_PREVIEW, item);
item = new QStandardItem(pTrack->getFileName());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_FILENAME, item);
item = new QStandardItem(pTrack->getArtist());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_ARTIST, item);
item = new QStandardItem(pTrack->getTitle());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_TITLE, item);
item = new QStandardItem(pTrack->getAlbum());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_ALBUM, item);
item = new QStandardItem(pTrack->getAlbumArtist());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_ALBUMARTIST, item);
item = new QStandardItem(pTrack->getTrackNumber());
item->setToolTip(item->text());
item->setData(item->text().toInt(), Qt::UserRole);
row_data.insert(COLUMN_TRACK_NUMBER, item);
const QString year(pTrack->getYear());
item = new YearItem(year);
item->setToolTip(year);
// The year column is sorted according to the numeric calendar year
item->setData(mixxx::TrackMetadata::parseCalendarYear(year), Qt::UserRole);
row_data.insert(COLUMN_YEAR, item);
item = new QStandardItem(pTrack->getGenre());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_GENRE, item);
item = new QStandardItem(pTrack->getComposer());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_COMPOSER, item);
item = new QStandardItem(pTrack->getGrouping());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_GROUPING, item);
item = new QStandardItem(pTrack->getComment());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_COMMENT, item);
QString duration = pTrack->getDurationText(mixxx::Duration::Precision::SECONDS);
item = new QStandardItem(duration);
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_DURATION, item);
item = new QStandardItem(pTrack->getBpmText());
item->setToolTip(item->text());
item->setData(pTrack->getBpm(), Qt::UserRole);
row_data.insert(COLUMN_BPM, item);
item = new QStandardItem(pTrack->getKeyText());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_KEY, item);
item = new QStandardItem(pTrack->getType());
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_TYPE, item);
item = new QStandardItem(pTrack->getBitrateText());
item->setToolTip(item->text());
item->setData(pTrack->getBitrate(), Qt::UserRole);
row_data.insert(COLUMN_BITRATE, item);
QString location = pTrack->getLocation();
QString nativeLocation = QDir::toNativeSeparators(location);
item = new QStandardItem(nativeLocation);
item->setToolTip(nativeLocation);
item->setData(location, Qt::UserRole);
row_data.insert(COLUMN_NATIVELOCATION, item);
QDateTime modifiedTime = pTrack->getFileModifiedTime().toLocalTime();
item = new QStandardItem(modifiedTime.toString(Qt::DefaultLocaleShortDate));
item->setToolTip(item->text());
item->setData(modifiedTime, Qt::UserRole);
row_data.insert(COLUMN_FILE_MODIFIED_TIME, item);
QDateTime creationTime = pTrack->getFileCreationTime().toLocalTime();
item = new QStandardItem(creationTime.toString(Qt::DefaultLocaleShortDate));
item->setToolTip(item->text());
item->setData(creationTime, Qt::UserRole);
row_data.insert(COLUMN_FILE_CREATION_TIME, item);
const mixxx::ReplayGain replayGain(pTrack->getReplayGain());
item = new QStandardItem(
mixxx::ReplayGain::ratioToString(replayGain.getRatio()));
item->setToolTip(item->text());
item->setData(item->text(), Qt::UserRole);
row_data.insert(COLUMN_REPLAYGAIN, item);
rows.append(row_data);
++row;
// If 10 tracks have been analyzed, send it to GUI
// Will limit GUI freezing
if (row % 10 == 0) {
// this is a blocking operation
emit(rowsAppended(rows, thisModelObserver));
qDebug() << "Append " << rows.count() << " from " << filepath;
rows.clear();
}
// Sleep additionally for 10ms which prevents us from GUI freezes
msleep(20);
}
emit(rowsAppended(rows, thisModelObserver));
qDebug() << "Append last " << rows.count();
}