void MainWindow::slotShowRenderDialog()
{
if (m_project->renderTask() != NULL) {
disconnect(SIGNAL(signalRendererContinue()), m_project->renderTask());
}
RenderingDialog renderingDialog(m_project, this);
if (renderingDialog.exec() == QDialog::Accepted) {
RenderTask_sV *task = renderingDialog.buildTask();
if (task != 0) {
task->moveToThread(&m_rendererThread);
if (m_project->renderTask() != NULL) {
disconnect(SIGNAL(signalRendererContinue()), m_project->renderTask());
}
//m_project->replaceRenderTask(task);
if (m_renderProgressDialog == NULL) {
m_renderProgressDialog = new ProgressDialog(this);
m_renderProgressDialog->setWindowTitle(tr("Rendering progress"));
} else {
m_renderProgressDialog->disconnect();
}
connect(task, SIGNAL(signalNewTask(QString,int)), m_renderProgressDialog, SLOT(slotNextTask(QString,int)));
connect(task, SIGNAL(signalItemDesc(QString)), m_renderProgressDialog, SLOT(slotTaskItemDescription(QString)));
connect(task, SIGNAL(signalTaskProgress(int)), m_renderProgressDialog, SLOT(slotTaskProgress(int)));
connect(task, SIGNAL(signalRenderingFinished(QString)), m_renderProgressDialog, SLOT(slotAllTasksFinished(QString)));
connect(task, SIGNAL(signalRenderingAborted(QString)), this, SLOT(slotRenderingAborted(QString)));
connect(task, SIGNAL(signalRenderingAborted(QString)), m_renderProgressDialog, SLOT(close()));
connect(task, SIGNAL(signalRenderingStopped(QString)), m_renderProgressDialog, SLOT(slotAborted(QString)));
connect(m_renderProgressDialog, SIGNAL(signalAbortTask()), task, SLOT(slotStopRendering()));
//connect(this, SIGNAL(signalRendererContinue()), task, SLOT(slotContinueRendering()), Qt::UniqueConnection);
connect(task, SIGNAL(workFlowRequested()), &m_rendererThread, SLOT(start()));
connect(&m_rendererThread, SIGNAL(started()), task, SLOT(slotContinueRendering()));
connect(task, SIGNAL(signalRenderingFinished(QString)), &m_rendererThread, SLOT(quit()));
// done another way ?!
connect(task, SIGNAL(signalRenderingFinished(QString)), task, SLOT(deleteLater()));
//connect(&m_rendererThread, &QThread::finished, task, &QObject::deleteLater);
// let's start
m_rendererThread.wait(); // If the thread is not running, this will immediately return.
m_renderProgressDialog->show();
//emit signalRendererContinue();
//m_rendererThread.exec ();
m_rendererThread.start();
task->requestWork();
}
} else {
QMessageBox(QMessageBox::Warning, tr("Aborted"), tr("Aborted by user"), QMessageBox::Ok).exec();
}
}
void SlowmoRenderer_sV::load(QString filename) throw(Error)
{
if (m_project != NULL) {
delete m_project;
m_project = NULL;
}
QString warning;
try {
Project_sV *proj = XmlProjectRW_sV::loadProject(QString(filename), &warning);
if (warning.length() > 0) {
std::cout << warning.toStdString() << std::endl;
}
m_project = proj;
RenderTask_sV *task = new RenderTask_sV(m_project);
m_project->replaceRenderTask(task);
task->renderPreferences().setFps(24);
task->setTimeRange(m_start, m_end);
task->setQtConnectionType(Qt::AutoConnection);
bool b = true;
b &= connect(m_project->renderTask(), SIGNAL(signalNewTask(QString,int)), this, SLOT(slotTaskSize(QString,int)));
b &= connect(m_project->renderTask(), SIGNAL(signalTaskProgress(int)), this, SLOT(slotProgressInfo(int)));
b &= connect(m_project->renderTask(), SIGNAL(signalRenderingAborted(QString)), this, SLOT(slotFinished(QString)));
b &= connect(m_project->renderTask(), SIGNAL(signalRenderingFinished(QString)), this, SLOT(slotFinished(QString)));
b &= connect(m_project->renderTask(), SIGNAL(signalRenderingStopped(QString)), this, SLOT(slotFinished(QString)));
Q_ASSERT(b);
} catch (Error_sV &err) {
throw Error(err.message().toStdString());
}
}
/**
* this is the real workhorse.
* maybe we should not call this directly, but instead from doWork ?
*/
void RenderTask_sV::slotContinueRendering()
{
qDebug()<<"Starting rendering process in Thread "<<thread()->currentThreadId();
/* real workhorse, need to account for exporting */
setupProgress(trUtf8("Rendering Slow-Mo …"), 2* int(m_prefs.fps().fps() * (m_timeEnd-m_timeStart)));
//TODO: initialize
m_stopwatch.start();
m_nextFrameTime=m_timeStart;
int framesBefore;
qreal snapped = m_project->snapToOutFrame(m_nextFrameTime, false, m_prefs.fps(), &framesBefore);
qDebug() << "Frame snapping in from " << m_nextFrameTime << " to " << snapped;
m_nextFrameTime = snapped;
Q_ASSERT(int((m_nextFrameTime - m_project->nodes()->startTime()) * m_prefs.fps().fps() + .5) == framesBefore);
try {
m_renderTarget->openRenderTarget();
} catch (Error_sV &err) {
m_stopRendering = true;
emit signalRenderingAborted(tr("Rendering aborted.") + " " + err.message());
return;
}
// render loop
// TODO: add more threading here
while(m_nextFrameTime<m_timeEnd) {
QCoreApplication::processEvents();
// Checks if the process should be aborted
mutex.lock();
bool abort = m_stopRendering;
mutex.unlock();
if (abort) {
// user stop the process
qDebug()<<"Aborting Rendering process in Thread "<<thread()->currentThreadId();
m_renderTimeElapsed = m_stopwatch.elapsed();
emit signalRenderingStopped(QTime().addMSecs(m_renderTimeElapsed).toString("hh:mm:ss"));
qDebug() << "Rendering stopped after " << QTime().addMSecs(m_renderTimeElapsed).toString("hh:mm:ss");
break;
}
// do the work
int outputFrame = (m_nextFrameTime - m_project->nodes()->startTime()) * m_prefs.fps().fps() + .5;
qreal srcTime = m_project->nodes()->sourceTime(m_nextFrameTime);
qDebug() << "Rendering frame number " << outputFrame << " @" << m_nextFrameTime << " from source time " << srcTime;
updateMessage(tr("Rendering frame %1 @ %2 s from input position: %3 s (frame %4)")
.arg( QString::number(outputFrame),QString::number(m_nextFrameTime),
QString::number(srcTime),
QString::number(srcTime*m_project->frameSource()->fps()->fps())
) );
try {
QImage rendered = m_project->render(m_nextFrameTime, m_prefs);
m_renderTarget->slotConsumeFrame(rendered, outputFrame);
m_nextFrameTime = m_nextFrameTime + 1/m_prefs.fps().fps();
updateProgress( (m_nextFrameTime-m_timeStart) * m_prefs.fps().fps() );
} catch (FlowBuildingError &err) {
m_stopRendering = true;
emit signalRenderingAborted(err.message());
} catch (InterpolationError &err) {
updateMessage(err.message());
}
} /* while */
// Checks if the process should be aborted
mutex.lock();
bool abort = m_stopRendering;
mutex.unlock();
if (abort) {
qDebug() << "Rendering : aborting";
updateMessage(tr("Rendering : aborting"));
} else {
//TODO: closing rendering project
qDebug() << "Rendering : exporting";
updateMessage(tr("Rendering : exporting"));
m_renderTarget->closeRenderTarget();
}
m_renderTimeElapsed = m_stopwatch.elapsed();
qDebug() << "time : " << m_renderTimeElapsed;
emit signalRenderingFinished(QTime(0,0).addMSecs(m_renderTimeElapsed).toString("hh:mm:ss"));
qDebug() << "Rendering stopped after " << QTime(0,0).addMSecs(m_renderTimeElapsed).toString("hh:mm:ss");
qDebug()<<"Rendering process finished in Thread "<<thread()->currentThreadId();
// Set _working to false, meaning the process can't be aborted anymore.
mutex.lock();
_working = false;
mutex.unlock();
}