3090             const sp<PlaybackThread> playbackThread = weakPointerThis.promote();  in onCodecFormatChanged()  local
3091             if (playbackThread == nullptr) {  in onCodecFormatChanged()
7208         const wp<PlaybackThread>& playbackThread)  in AsyncCallbackThread()  argument
7210         mPlaybackThread(playbackThread),  in AsyncCallbackThread()
7251             const sp<PlaybackThread> playbackThread = mPlaybackThread.promote();  in threadLoop()  local
7252             if (playbackThread != 0) {  in threadLoop()
7254                     playbackThread->resetWriteBlocked(writeAckSequence >> 1);  in threadLoop()
7257                     playbackThread->resetDraining(drainSequence >> 1);  in threadLoop()
7260                     playbackThread->onAsyncError(asyncError == ASYNC_ERROR_HARD);  in threadLoop()
7885         IAfPlaybackThread* const playbackThread = thread->asIAfPlaybackThread().get();  in outputsReady()  local
7887         if (playbackThread->inStandby() && !playbackThread->isSuspended()) {  in outputsReady()