示例#1
0
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;
}
示例#2
0
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;
}
示例#3
0
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;
    }
}
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";
}