FlowField_sV* Project_sV::requestFlow(int leftFrame, int rightFrame, const FrameSize frameSize) throw(FlowBuildingError)
{
Q_ASSERT(leftFrame < m_frameSource->framesCount());
Q_ASSERT(rightFrame < m_frameSource->framesCount());
if (dynamic_cast<EmptyFrameSource_sV*>(m_frameSource) == NULL) {
FlowSourceV3D_sV *v3d;
if ((v3d = dynamic_cast<FlowSourceV3D_sV*>(m_flowSource)) != NULL) {
v3d->setLambda(m_preferences->flowV3DLambda());
try {
return m_flowSource->buildFlow(leftFrame, rightFrame, frameSize);
} catch (FlowBuildingError err) {
m_v3dFailCounter++;
qDebug() << "Failed creating optical flow, falling back to OpenCV ...";
qDebug() << "Failed attempts so far: " << m_v3dFailCounter;
delete m_flowSource;
m_flowSource = new FlowSourceOpenCV_sV (this);
return m_flowSource->buildFlow(leftFrame, rightFrame, frameSize);
}
}
return m_flowSource->buildFlow(leftFrame, rightFrame, frameSize);
} else {
throw FlowBuildingError(tr("Empty frame source; Cannot build flow."));
}
}
FlowField_sV* Project_sV::requestFlow(int leftFrame, int rightFrame, const FrameSize frameSize) throw(FlowBuildingError)
{
Q_ASSERT(leftFrame < m_frameSource->framesCount());
Q_ASSERT(rightFrame < m_frameSource->framesCount());
if (dynamic_cast<EmptyFrameSource_sV*>(m_frameSource) == NULL) {
FlowSourceV3D_sV *v3d;
if ((v3d = dynamic_cast<FlowSourceV3D_sV*>(m_flowSource)) != NULL) {
v3d->setLambda(m_preferences->flowV3DLambda());
try {
return m_flowSource->buildFlow(leftFrame, rightFrame, frameSize);
} catch (FlowBuildingError err) {
m_v3dFailCounter++;
qDebug() << "Failed creating optical flow, falling back to OpenCV ...";
qDebug() << "Failed attempts so far: " << m_v3dFailCounter;
delete m_flowSource;
QSettings m_settings;
int algo = m_settings.value("preferences/preferredOpenCVAlgo", 0).toInt();
int dev_index = m_settings.value("preferences/oclDriver", -1).toInt();
QString method = m_settings.value("preferences/flowMethod", "OpenCV-CPU").toString();
if (method == "OpenCV-CPU") {
dev_index = -1;
}
m_flowSource = new FlowSourceOpenCV_sV(this, algo, dev_index);
return m_flowSource->buildFlow(leftFrame, rightFrame, frameSize);
}
}
return m_flowSource->buildFlow(leftFrame, rightFrame, frameSize);
} else {
throw FlowBuildingError(tr("Empty frame source; Cannot build flow."));
}
}
