46     virtual void onFinished(const MediaTranscoder* transcoder __unused) override {  in onFinished()
52     virtual void onError(const MediaTranscoder* transcoder __unused,  in onError()
60     virtual void onProgressUpdate(const MediaTranscoder* transcoder __unused,  in onProgressUpdate()
63     virtual void onHeartBeat(const MediaTranscoder* transcoder __unused) override {}  in onHeartBeat()
65     virtual void onCodecResourceLost(const MediaTranscoder* transcoder __unused,  in onCodecResourceLost()
145         auto transcoder = MediaTranscoder::create(callbacks);  in TranscodeMediaFile()  local
147         status = transcoder->configureSource(srcFd);  in TranscodeMediaFile()
153         status = transcoder->configureDestination(dstFd);  in TranscodeMediaFile()
159         std::vector<std::shared_ptr<AMediaFormat>> trackFormats = transcoder->getTrackFormats();  in TranscodeMediaFile()
189                 status = transcoder->configureTrackFormat(i, dstFormat);  in TranscodeMediaFile()
211         status = transcoder->start();  in TranscodeMediaFile()
218             transcoder->cancel();  in TranscodeMediaFile()