void PlaybackController::exportFrame(int count)
{
Q_ASSERT(count>0);
if(m_exporter) {
QImage img = m_canvas->toImage();
if(!img.isNull()) {
Q_ASSERT(m_exporterReady);
m_exporterReady = false;
emit canSaveFrameChanged();
m_exporter->saveFrame(img, count);
}
}
}
void PlaybackController::exportFrame(int count)
{
if(count<1)
count = 1;
if(m_exporter) {
QImage img = m_canvas->toImage();
if(!img.isNull()) {
Q_ASSERT(m_exporterReady);
m_exporterReady = false;
emit canSaveFrameChanged(canSaveFrame());
m_exporter->saveFrame(img, count);
}
} else {
qWarning("exportFrame(%d): exported not active!", count);
}
}
void PlaybackController::exporterReady()
{
m_exporterReady = true;
emit exportedFrame();
// Stop exporting after saving the last frame
if(m_reader->isEof()) {
m_exporter->finish();
}
// Tried to proceed to next frame while exporter was busy
else if(m_waitedForExporter) {
m_waitedForExporter = false;
nextCommand();
}
emit canSaveFrameChanged();
}
void PlaybackController::startVideoExport(VideoExporter *exporter)
{
Q_ASSERT(!m_exporter);
Q_ASSERT(exporter);
m_exporter = exporter;
m_exporter->setParent(this);
m_exporterReady = false;
m_waitedForExporter = false;
connect(m_exporter, &VideoExporter::exporterReady, this, &PlaybackController::exporterReady, Qt::QueuedConnection);
connect(m_exporter, SIGNAL(exporterError(QString)), this, SLOT(exporterError(QString)), Qt::QueuedConnection);
connect(m_exporter, SIGNAL(exporterFinished()), this, SLOT(exporterFinished()), Qt::QueuedConnection);
m_exporter->start();
emit exportStarted();
emit canSaveFrameChanged(canSaveFrame());
}
