48     media_status_t writeSampleData(size_t trackIndex, const uint8_t* data,  in writeSampleData()  argument
50         return AMediaMuxer_writeSampleData(mMuxer, trackIndex, data, info);  in writeSampleData()
143     const size_t trackIndex = static_cast<size_t>(trackIndexOrError);  in addTrack()  local
150     mTracks.emplace(trackIndex, durationUs);  in addTrack()
153     return [self = shared_from_this(), trackIndex](const std::shared_ptr<MediaSample>& sample) {  in addTrack()
154         self->addSampleToTrack(trackIndex, sample);  in addTrack()
158 void MediaSampleWriter::addSampleToTrack(size_t trackIndex,  in addSampleToTrack()  argument
166         mSampleQueue.push(std::make_pair(trackIndex, sample));  in addSampleToTrack()
262         size_t trackIndex;  in runWriterLoop()  local
290             trackIndex = topEntry.first;  in runWriterLoop()
295         TrackRecord& track = mTracks[trackIndex];  in runWriterLoop()
326         media_status_t status = mMuxer->writeSampleData(trackIndex, sample->buffer, &bufferInfo);  in runWriterLoop()
334         if (trackIndex == primaryTrackIndex) {  in runWriterLoop()