36         LOG(ERROR) << "Cannot merge null formats";  in createVideoTrackFormat()
159         LOG(ERROR) << "Unable to add track to sample writer.";  in onTrackFormatAvailable()
196         LOG(ERROR) << "Unable to start sample writer.";  in onTrackFormatAvailable()
212     LOG(ERROR) << "TrackTranscoder " << transcoder << " returned error " << status;  in onTrackError()
217     LOG(status == AMEDIA_OK ? DEBUG : ERROR) << "Sample writer finished with status " << status;  in onFinished()
247         LOG(ERROR) << "Callbacks cannot be null";  in create()
257         LOG(ERROR) << "Invalid source fd: " << fd;  in configureSource()
266         LOG(ERROR) << "Unable to parse source fd: " << fd;  in configureSource()
274             LOG(ERROR) << "Track #" << trackIndex << " has no format";  in configureSource()
298         LOG(ERROR) << "Source must be configured before tracks";  in configureTrackFormat()
301         LOG(ERROR) << "Track index " << trackIndex  in configureTrackFormat()
316             LOG(ERROR) << "Source track #" << trackIndex << " has no mime type";  in configureTrackFormat()
321             LOG(ERROR) << "Only video tracks are supported for transcoding. Unable to configure "  in configureTrackFormat()
330                 LOG(ERROR) << "Unable to convert media types for track #" << trackIndex << ", from "  in configureTrackFormat()
340             LOG(ERROR) << "Unable to create video track format";  in configureTrackFormat()
347         LOG(ERROR) << "Unable to select track " << trackIndex;  in configureTrackFormat()
353         LOG(ERROR) << "Configure track transcoder for track #" << trackIndex << " returned error "  in configureTrackFormat()
368         LOG(ERROR) << "Invalid destination fd: " << fd;  in configureDestination()
373         LOG(ERROR) << "Destination is already configured.";  in configureDestination()
381         LOG(ERROR) << "Unable to initialize sample writer with destination fd: " << fd;  in configureDestination()
393         LOG(ERROR) << "Unable to start, no tracks are configured.";  in start()
396         LOG(ERROR) << "Unable to start, destination is not configured";  in start()
412         LOG(ERROR) << "Unable to start track transcoder.";  in start()