void Document::stopRecording()
{
if(!isRecording())
return;
m_recorder->close();
delete m_recorder;
m_recorder = nullptr;
emit recorderStateChanged(false);
}
VideoRecorder::VideoRecorder(QDeclarativeItem *parent) :
QDeclarativeItem(parent)
{
m_camera = new QCamera(this);
connect(m_camera, SIGNAL(stateChanged(QCamera::State)), SLOT(cameraStateChanged(QCamera::State)));
connect(m_camera, SIGNAL(statusChanged(QCamera::Status)), SLOT(cameraStatusChanged(QCamera::Status)));
connect(m_camera, SIGNAL(error(QCamera::Error)), SLOT(cameraError(QCamera::Error)));
m_viewFinder = new QGraphicsVideoItem(this);
m_viewFinder->setAspectRatioMode(Qt::IgnoreAspectRatio);
m_camera->setViewfinder(m_viewFinder);
m_camera->setCaptureMode(QCamera::CaptureVideo);
m_recorder = new QMediaRecorder(m_camera, this);
connect(m_recorder, SIGNAL(stateChanged(QMediaRecorder::State)), SLOT(recorderStateChanged(QMediaRecorder::State)));
connect(m_recorder, SIGNAL(error(QMediaRecorder::Error)), SLOT(recorderError(QMediaRecorder::Error)));
connect(m_recorder, SIGNAL(durationChanged(qint64)), SLOT(videoDurationChanged(qint64)));
}
bool Document::startRecording(const QString &filename, QString *error)
{
Q_ASSERT(!isRecording());
// Set file suffix if missing
QString file = filename;
const QFileInfo info(file);
if(info.suffix().isEmpty())
file += ".dprec";
// Start the recorder
m_recorder = new recording::Writer(file, this);
if(!m_recorder->open()) {
if(error)
*error = m_recorder->errorString();
delete m_recorder;
m_recorder = nullptr;
return false;
}
QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
m_recorder->writeHeader();
QList<protocol::MessagePtr> snapshot = m_canvas->generateSnapshot(false);
for(const protocol::MessagePtr ptr : snapshot) {
m_recorder->recordMessage(ptr);
}
QSettings cfg;
cfg.beginGroup("settings/recording");
if(cfg.value("recordpause", true).toBool())
m_recorder->setMinimumInterval(1000 * cfg.value("minimumpause", 0.5).toFloat());
connect(m_client, &net::Client::messageReceived, m_recorder, &recording::Writer::recordMessage);
QApplication::restoreOverrideCursor();
emit recorderStateChanged(true);
return true;
}
