746     if (mUVCDevice) {  in ~UVCProvider()
747         if (mUVCDevice->getUVCFd() >= 0) {  in ~UVCProvider()
748             mEpollW.remove(mUVCDevice->getUVCFd());  in ~UVCProvider()
750         if (mUVCDevice->getINotifyFd() >= 0) {  in ~UVCProvider()
751             mEpollW.remove(mUVCDevice->getINotifyFd());  in ~UVCProvider()
754     mUVCDevice = nullptr;  in ~UVCProvider()
787     int deviceFd = mUVCDevice->getUVCFd();  in processUVCEvent()
804             mUVCDevice->processSetupEvent(&(uvcEvent->req), &uvcResponse);  in processUVCEvent()
808             mUVCDevice->processDataEvent(&(uvcEvent->data));  in processUVCEvent()
812             mUVCDevice->processStreamOnEvent();  in processUVCEvent()
816             mUVCDevice->processStreamOffEvent();  in processUVCEvent()
817             mEpollW.modify(mUVCDevice->getUVCFd(), EPOLLPRI);  in processUVCEvent()
832     mEpollW.modify(mUVCDevice->getUVCFd(), EPOLLPRI | EPOLLOUT);  in watchStreamEvent()
838           mUVCDevice->getUVCFd(), mUVCDevice->getINotifyFd());  in ListenToUVCFds()
841     mEpollW.add(mUVCDevice->getINotifyFd(), EPOLLIN);  in ListenToUVCFds()
843     mEpollW.add(mUVCDevice->getUVCFd(), EPOLLPRI);  in ListenToUVCFds()
848             if (mUVCDevice->getINotifyFd() == event.data.fd && (event.events & EPOLLIN)) {  in ListenToUVCFds()
861                     if (mUVCDevice != nullptr) {  in ListenToUVCFds()
862                         mUVCDevice->processStreamEvent();  in ListenToUVCFds()
880     while ((len = read(mUVCDevice->getINotifyFd(), buf, BUF_SIZE)) >= 0) {  in processINotifyEvent()
890             if ((event->mask & IN_ATTRIB) && access(mUVCDevice->getCurrentVideoNode(), F_OK)) {  in processINotifyEvent()
901           mUVCDevice->getINotifyFd(), errno, strerror(errno));  in processINotifyEvent()
906     if (mUVCDevice == nullptr) {  in encodeImage()
910     return mUVCDevice->encodeImage(buffer, timestamp, rotation) == Status::OK ? 0 : -1;  in encodeImage()
931     if (mUVCDevice != nullptr) {  in startService()
932         mUVCDevice->closeUVCFd();  in startService()
934     mUVCDevice = std::make_shared<UVCDevice>(shared_from_this(), ignoredNodes);  in startService()
935     if (!mUVCDevice->isInited()) {  in startService()
945     mUVCDevice->processStreamOffEvent();  in stopService()
946     mEpollW.remove(mUVCDevice->getUVCFd());  in stopService()
947     mEpollW.remove(mUVCDevice->getINotifyFd());  in stopService()
951     mUVCDevice = nullptr;  in stopService()