135 struct InputBufferManager {  struct
138     static constexpr nsecs_t kNotificationPeriodNs = 1000000;
197     struct CompareWeakComponentListener {
211     struct TrackedBuffer {
239                      CompareWeakComponentListener> TrackedBuffersMap;
244     struct DeathNotifications {
269     std::mutex mMutex;
272     TrackedBuffersMap mTrackedBuffersMap;
279     std::map<wp<IComponentListener>, DeathNotifications> mDeathNotifications;
282     std::condition_variable mOnBufferDestroyed;
297     std::thread mMainThread;
1045 InputBufferManager::InputBufferManager()  in InputBufferManager()  function in hardware::google::media::c2::V1_0::utils::InputBufferManager