88         std::unique_lock<std::mutex> lock(mMutex);  in onTrackFormatAvailable()
94         std::unique_lock<std::mutex> lock(mMutex);  in onTrackFinished()
100         std::unique_lock<std::mutex> lock(mMutex);  in onTrackStopped()
107         std::unique_lock<std::mutex> lock(mMutex);  in onTrackError()
115         std::unique_lock<std::mutex> lock(mMutex);  in waitUntilFinished()
123         std::unique_lock<std::mutex> lock(mMutex);  in waitUntilTrackFormatAvailable()
136     std::mutex mMutex;
147         std::unique_lock<std::mutex> lock(mMutex);  in onFinished()
155         std::unique_lock<std::mutex> lock(mMutex);  in onError()
165         std::unique_lock<std::mutex> lock(mMutex);  in onProgressUpdate()
173         std::unique_lock<std::mutex> lock(mMutex);  in onHeartBeat()
182         std::unique_lock<std::mutex> lock(mMutex);  in waitForTranscodingFinished()
189         std::unique_lock<std::mutex> lock(mMutex);  in waitForProgressMade()
199     std::mutex mMutex;
207         std::unique_lock<std::mutex> lock(mMutex);  in wait()
214         std::unique_lock<std::mutex> lock(mMutex);  in signal()
220     std::mutex mMutex;