public void OpenWAV()
{
OutputLogs logs = OutputLogs.Instance();
OpenFileDialogService.Filter = "Wav Files (.wav)|*.wav|All Files (*.*)|*.*";
OpenFileDialogService.FilterIndex = 1;
OpenFileDialogService.Title = "Open target audio";
if (OpenFileDialogService.ShowDialog())
{
IFileInfo file = OpenFileDialogService.Files.First();
WavReader reader = null;
try
{
reader = new WavReader(File.Open(file.GetFullName(), FileMode.Open, FileAccess.Read, FileShare.None));
Audio = reader.ReadAudio();
AudioFileName = file.Name;
string msg = string.Concat("Succesfully loaded file - ", file.GetFullName());
logs.AddLog(new Message(MessageType.Info, msg, "WavReader"));
}
catch (ApplicationException ex)
{
logs.AddLog(new Message(MessageType.Error, ex.Message, ex.Source));
}
finally
{
if (reader != null)
{
reader.Dispose();
}
}
}
}
public void Code()
{
OutputLogs logs = OutputLogs.Instance();
switch (action)
{
case NavigationCodes.Extract:
OutputLogs.Instance().AddLog(new Message(MessageType.Info, "Extracting started...", method.ToString()));
try
{
var bytes = method.Extract(cover);
if (bytes == null)
{
throw new ApplicationException("No embedded message found.");
}
Message = Encoding.ASCII.GetString(bytes);
string goodMsg = "Embedded message successfuly extracted.";
logs.AddLog(new Message(MessageType.Info, goodMsg, method.ToString()));
}
catch (ApplicationException ex)
{
logs.AddLog(new Message(MessageType.Error, ex.Message, method.ToString()));
}
break;
case NavigationCodes.Embed:
logs.AddLog(new Message(MessageType.Info, "Embedding started...", method.ToString()));
try
{
int[] signal = null;
if (GetStatistics)
{
signal = (int[])cover.GetSignal().Clone();
}
var data = Encoding.ASCII.GetBytes(Message);
method.Embed(cover, data);
logs.AddLog(new Message(MessageType.Info, "Message successfuly embeded.", method.ToString()));
SaveFileDialogService.DefaultExt = "wav";
SaveFileDialogService.DefaultFileName = "StegoAudio";
if (SaveFileDialogService.ShowDialog())
{
using (var stream = new WavWriter(SaveFileDialogService.OpenFile()))
stream.WriteWavDefault(cover);
logs.AddLog(new Message(MessageType.Info, "File was succesfuly saved.", "WavWriter"));
}
if (GetStatistics)
{
var stegosignal = cover.GetSignal();
var service = DocumentManagerService;
var doc = service.CreateDocument("Statistics", new StatisticsViewModel(signal, stegosignal));
doc.Show();
}
}
catch (ApplicationException ex)
{
logs.AddLog(new Message(MessageType.Error, ex.Message, method.ToString()));
}
break;
default:
logs.AddLog(new Message(MessageType.Error, "Internal error", method.ToString()));
break;
}
}