void PlaybackController::loadIndex()
{
if(m_reader->isCompressed()) {
emit indexLoadError(tr("Cannot index compressed recordings."), false);
return;
}
QFileInfo indexfile(indexFileName());
if(!indexfile.exists()) {
emit indexLoadError(tr("Index not yet generated"), true);
return;
}
m_indexloader = new IndexLoader(m_reader->filename(), indexFileName());
if(!m_indexloader->open()) {
delete m_indexloader;
m_indexloader = nullptr;
emit indexLoadError(tr("Error loading index!"), true);
return;
}
emit markersChanged();
emit indexLoaded();
}
/**
* @brief (Re)build the index file
*/
void PlaybackController::buildIndex()
{
if(!m_indexbuilder.isNull()) {
qWarning("Index builder already running!");
return;
}
m_indexbuilder = new IndexBuilder(m_reader->filename(), indexFileName());
const qreal filesize = m_reader->filesize();
connect(m_indexbuilder, &IndexBuilder::progress, [this, filesize](int progress) {
m_indexBuildProgress = progress / filesize;
emit indexBuildProgressed(m_indexBuildProgress);
});
connect(m_indexbuilder, &IndexBuilder::done, [this](bool ok, const QString &error) {
if(!ok) {
m_indexBuildProgress = 0;
emit indexBuildProgressed(0);
emit indexLoadError(error, true);
} else {
loadIndex();
}
});
QThreadPool::globalInstance()->start(m_indexbuilder);
}
/**
* @brief (Re)build the index file
*/
void PlaybackController::buildIndex()
{
if(!m_indexbuilder.isNull()) {
qWarning("Index builder already running!");
return;
}
QThread *thread = new QThread;
m_indexbuilder = new IndexBuilder(m_reader->filename(), indexFileName());
m_indexbuilder->moveToThread(thread);
const qreal filesize = m_reader->filesize();
connect(m_indexbuilder.data(), &IndexBuilder::progress, [this, filesize](int progress) {
m_indexBuildProgress = progress / filesize;
emit indexBuildProgressed(m_indexBuildProgress);
});
connect(m_indexbuilder.data(), &IndexBuilder::done, [this](bool ok, const QString &error) {
if(!ok) {
m_indexBuildProgress = 0;
emit indexBuildProgressed(0);
emit indexLoadError(error, true);
} else {
loadIndex();
}
});
connect(thread, &QThread::started, m_indexbuilder.data(), &IndexBuilder::run);
connect(m_indexbuilder.data(), &IndexBuilder::done, thread, &QThread::quit);
connect(m_indexbuilder.data(), &IndexBuilder::done, m_indexbuilder.data(), &QThread::deleteLater);
connect(thread, &QThread::finished, thread, &QThread::deleteLater);
thread->start();
}
