58             LOG(ERROR) << "Unable to create AMediaMuxer";  in create()
98         LOG(ERROR) << "Callback object cannot be null";  in init()
101         LOG(ERROR) << "Muxer cannot be null";  in init()
107         LOG(ERROR) << "Sample writer is already initialized";  in init()
121         LOG(ERROR) << "Track format must be non-null";  in addTrack()
127         LOG(ERROR) << "Muxer needs to be initialized when adding tracks.";  in addTrack()
140         LOG(ERROR) << "Failed to add media track to muxer: " << trackIndexOrError;  in addTrack()
178         LOG(ERROR) << "No tracks to write.";  in start()
181         LOG(ERROR) << "Sample writer is not initialized";  in start()
207             LOG(ERROR) << "Sample writer is not started.";  in stop()
219         LOG(ERROR) << "Error starting muxer: " << muxerStatus;  in writeSamples()
225         LOG(ERROR) << "Error writing samples: " << writeStatus;  in writeSamples()
230         LOG(ERROR) << "Error stopping muxer: " << muxerStatus;  in writeSamples()
328             LOG(ERROR) << "writeSampleData returned " << status;  in runWriterLoop()