private void InsertDataButton_Click(object sender, EventArgs e)
{
if (MainWorkerThread != null && MainWorkerThread.IsAlive)
{
MessageBox.Show("Please wait for the previous operation to finish", "Please Wait");
return;
}
int dataFileSize = (int)new FileInfo(DataFileName).Length;
dataFileStream = new StreamReader(DataFileName).BaseStream;
SetupAudioStreams(dataFileSize);
Encoder = new NLSBSteganographerEncoder(
AudioFileInStream,
dataFileStream,
KeyHelper.GenerateKeyFromUserInput(),
dataFileSize
);
//Encoder.ProcessFile(WriteCallback);
MainWorkerThread.Start(null);
}
private void SetupDecoder(out Stream dataFileStream)
{
AudioFileInStream = new FileInDecodingStream();
AudioFileInStream.InfoOutFile = InfoFileWriter;
AudioFileInStream.SetMetadataRespond(MetadataType.VorbisComment);
SaveFileDialog dlg = new SaveFileDialog();
dlg.Filter = "All Files (*.*)|*.*";
dlg.ShowDialog();
if (dlg.FileName == "")
{
dataFileStream = null;
return;
}
dataFileStream = new StreamWriter(dlg.FileName).BaseStream;
Decoder = new NLSBSteganographerDecoder(
AudioFileInStream,
dataFileStream,
KeyHelper.GenerateKeyFromUserInput()
);
AudioFileInStream.Initialize(AudioFileName);
AudioFileInStream.ProgressCallback = ProgressCallback;
MainWorkerThread = new Thread(new ParameterizedThreadStart(x => { Decoder.ProcessFile(); CleanupDecoder(); }));
}
