void CameraExample::enableCamera()
{
m_camera = new QCamera();
m_camera->setCaptureMode(QCamera::CaptureStillImage);
connect(m_camera, SIGNAL(error(QCamera::Error)), this, SLOT(error(QCamera::Error)));
connect(m_camera, SIGNAL(lockStatusChanged(QCamera::LockStatus,QCamera::LockChangeReason)), this, SLOT(lockStatusChanged(QCamera::LockStatus,QCamera::LockChangeReason)));
// Own video output drawing that shows camera view finder pictures
//! [0]
QMediaService* ms = m_camera->service();
QVideoRendererControl* vrc = ms->requestControl<QVideoRendererControl*>();
m_myVideoSurface = new MyVideoSurface(this,this,this);
vrc->setSurface(m_myVideoSurface);
//! [0]
// Image capturer
m_stillImageCapture = new QCameraImageCapture(m_camera);
connect(m_stillImageCapture, SIGNAL(imageCaptured(int,QImage)), this, SLOT(imageCaptured(int,QImage)));
// Start camera
if (m_camera->state() == QCamera::ActiveState) {
m_camera->stop();
}
m_videoWidget->show();
m_camera->start();
showViewFinder = true;
}
void ChilitagsDetection::setSource(QObject *source) {
QVariant mediaObjectProperty = source->property("mediaObject");
QMediaObject *mediaObject =
qvariant_cast<QMediaObject *>(mediaObjectProperty);
QMediaService *mediaService = mediaObject->service();
QVideoRendererControl *rendererControl =
mediaService->requestControl<QVideoRendererControl *>();
rendererControl->setSurface(&m_surface);
m_source = source;
}
void ARCameraQml::setMediaObject(QMediaObject* mediaObject)
{
if (mediaObject != _mediaObject) {
QMediaService* service = mediaObject->service();
if (service) {
QVideoRendererControl* rendererControl = dynamic_cast<QVideoRendererControl*>(
service->requestControl(QVideoRendererControl_iid));
if (rendererControl) {
rendererControl->setSurface(&_surface);
//updateOrientation();
_mediaObject = mediaObject;
emit mediaObjectChanged();
return;
}
}
}
qDebug() << Q_FUNC_INFO << ": Failed to set media object";
}
void QGraphicsVideoItemPrivate::_q_updateNativeSize()
{
QSize size = surface->surfaceFormat().sizeHint();
if (size.isEmpty())
size = rendererControl->property("nativeSize").toSize();
if (nativeSize != size) {
nativeSize = size;
updateRects();
emit q_ptr->nativeSizeChanged(nativeSize);
}
}
void QGraphicsVideoItemPrivate::clearService()
{
if (rendererControl) {
surface->stop();
rendererControl->setSurface(0);
service->releaseControl(rendererControl);
rendererControl = 0;
}
if (service) {
QObject::disconnect(service, SIGNAL(destroyed()), q_ptr, SLOT(_q_serviceDestroyed()));
service = 0;
}
}
