85         if (mDvrPlayback != nullptr) {  in openFilter()
86             result = mDvrPlayback->addPlaybackFilter(filterId, filter);  in openFilter()
160         mDvrPlayback->removePlaybackFilter(*it);  in close()
184             mDvrPlayback = new Dvr(type, bufferSize, cb, this);  in openDvr()
185             if (!mDvrPlayback->createDvrMQ()) {  in openDvr()
186                 _hidl_cb(Result::UNKNOWN_ERROR, mDvrPlayback);  in openDvr()
191                 if (!mDvrPlayback->addPlaybackFilter(*it, mFilters[*it])) {  in openDvr()
193                     _hidl_cb(Result::UNKNOWN_ERROR, mDvrPlayback);  in openDvr()
198             _hidl_cb(Result::SUCCESS, mDvrPlayback);  in openDvr()
232     if (mDvrPlayback != nullptr) {  in removeFilter()
233         mDvrPlayback->removePlaybackFilter(filterId);  in removeFilter()
322     if (!mDvrPlayback) {  in frontendInputThreadLoop()
330         status_t status = mDvrPlayback->getDvrEventFlag()->wait(  in frontendInputThreadLoop()
337         if (mDvrPlayback->getSettings().playback().dataFormat == DataFormat::ES) {  in frontendInputThreadLoop()
338             if (!mDvrPlayback->processEsDataOnPlayback(true /*isVirtualFrontend*/, mIsRecording)) {  in frontendInputThreadLoop()
345         if (!mDvrPlayback->readPlaybackFMQ(true /*isVirtualFrontend*/, mIsRecording) ||  in frontendInputThreadLoop()
346             !mDvrPlayback->startFilterDispatcher(true /*isVirtualFrontend*/, mIsRecording)) {  in frontendInputThreadLoop()