void QGraphicsVideoItemPrivate::clearService()
{
if (windowControl) {
QObject::disconnect(windowControl, SIGNAL(nativeSizeChanged()), q_ptr, SLOT(_q_updateNativeSize()));
service->releaseControl(windowControl);
windowControl = 0;
}
if (service) {
QObject::disconnect(service, SIGNAL(destroyed()), q_ptr, SLOT(_q_serviceDestroyed()));
service = 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;
}
}
/*
\internal
*/
bool QGraphicsVideoItem::setMediaObject(QMediaObject *object)
{
Q_D(QGraphicsVideoItem);
if (object == d->mediaObject)
return true;
d->clearService();
d->mediaObject = object;
if (d->mediaObject) {
d->service = d->mediaObject->service();
if (d->service) {
QMediaControl *control = d->service->requestControl(QVideoRendererControl_iid);
if (control) {
d->rendererControl = qobject_cast<QVideoRendererControl *>(control);
if (d->rendererControl) {
connect(d->rendererControl, SIGNAL(nativeSizeChanged()),
this, SLOT(_q_updateNativeSize()), Qt::QueuedConnection);
d->_q_updateNativeSize();
//don't set the surface untill the item is painted
//at least once and the surface is configured
if (!d->updatePaintDevice)
d->rendererControl->setSurface(d->surface);
else
update(boundingRect());
connect(d->service, SIGNAL(destroyed()), this, SLOT(_q_serviceDestroyed()));
return true;
}
if (control)
d->service->releaseControl(control);
}
}
}
d->mediaObject = 0;
return false;
}
