private void MIDIConversion(Control Form, Panel ThreadsPanel, String OPath)
{
try
{
Status = "prep";
Int32 MT = Properties.Settings.Default.MultiThreadedMode ? Properties.Settings.Default.MultiThreadedLimitV : 1;
WaveFormat WF = new WaveFormat(Properties.Settings.Default.Frequency, 32, 2, AudioEncoding.IeeeFloat);
Debug.PrintToConsole("ok", "Initializing BASS...");
if (!Bass.BASS_Init(0, WF.SampleRate, BASSInit.BASS_DEVICE_DEFAULT, IntPtr.Zero))
{
throw new Exception("Unable to initialize BASS!");
}
LoadSoundFonts();
try
{
Debug.PrintToConsole("ok", "Preparing Parallel.ForEach loop...");
CTS = new CancellationTokenSource();
ParallelOptions PO = new ParallelOptions {
MaxDegreeOfParallelism = MT, CancellationToken = CTS.Token
};
Debug.PrintToConsole("ok", String.Format("ParallelOptions prepared, MaxDegreeOfParallelism = {0}", MT));
Parallel.ForEach(Program.MIDIList, PO, (MFile, LS) =>
{
if (StopRequested)
{
Debug.PrintToConsole("ok", "Stop requested. Stopping Parallel.ForEach...");
LS.Stop();
return;
}
IWaveSource Stream;
// Begin conversion
Status = "sconv";
MDV.SetCurrentMIDI(MFile.Path);
// Prepare the filename
String OutputDir = String.Format("{0}\\{1}.{2}",
OPath, Path.GetFileNameWithoutExtension(MFile.Name), Properties.Settings.Default.Codec);
// Check if file already exists
if (File.Exists(OutputDir))
{
OutputDir = String.Format("{0}\\{1} - {2}.{3}",
OPath, Path.GetFileNameWithoutExtension(MFile.Name),
DateTime.Now.ToString("dd-MM-yyyy HHmmsstt"), Properties.Settings.Default.Codec);
}
Debug.PrintToConsole("ok", String.Format("Output file: {0}", OutputDir));
MIDIThreadStatus MIDIT = new MIDIThreadStatus(MFile.Name);
MIDIT.Dock = DockStyle.Top;
ThreadsPanel.Invoke((MethodInvoker) delegate
{
Debug.PrintToConsole("ok", "Added MIDIThreadStatus control for MIDI.");
ThreadsPanel.Controls.Add(MIDIT);
});
ConvertWorker Worker = new ConvertWorker(MFile.GetFullMIDITimeBased(), MFile.TimeLength.TotalSeconds);
Stream FOpen = new BufferedStream(File.Open(OutputDir, FileMode.Create), 65536);
WaveWriter Destination = new WaveWriter(FOpen, WF);
ISampleWriter Writer = new WaveSampleWriter(Destination);
Debug.PrintToConsole("ok", "Output file is open.");
Task ConvThread = Task.Run(() =>
{
Worker.Convert(Writer, WF, Properties.Settings.Default.LoudMax, PO.CancellationToken);
});
while (!ConvThread.IsCompleted)
{
if (StopRequested)
{
break;
}
MIDIT.Invoke((MethodInvoker) delegate
{
MIDIT.UpdatePB(Convert.ToInt32(Math.Round(Worker.Progress * 100)));
});
Thread.Sleep(200);
}
ConvThread.Wait();
Debug.PrintToConsole("ok", String.Format("Thread for MIDI {0} is done rendering data.", OutputDir));
ThreadsPanel.Invoke((MethodInvoker) delegate
{
Debug.PrintToConsole("ok", "Removed MIDIThreadStatus control for MIDI.");
ThreadsPanel.Controls.Remove(MIDIT);
});
if (!StopRequested)
{
MDV.AddValidMIDI();
}
Destination.Dispose();
FOpen.Dispose();
});
}
catch (OperationCanceledException) { }
finally { CTS.Dispose(); CTS = null; }
FreeSoundFonts();
Debug.PrintToConsole("ok", "BASS freed.");
Bass.BASS_Free();
}
catch (Exception ex)
{
Status = "crsh";
StError = String.Format("The converter encountered an error during the conversion process.\nError: {0}", ex.Message.ToString());
IsCrash = true;
Debug.PrintToConsole("err", String.Format("{0} - {1}", ex.InnerException.ToString(), ex.Message.ToString()));
}
if (!StopRequested && !IsCrash)
{
Form.Invoke((MethodInvoker) delegate { ((Form)Form).Close(); });
}
}