private void Run_Click(object sender, RoutedEventArgs e)
{
if (_data.Count <= 0)
{
MessageBox.Show(this, "You cannot run an analysis without input", "Error", MessageBoxButton.OK,
MessageBoxImage.Error);
return;
}
Forms.FolderBrowserDialog folderDialog = new Forms.FolderBrowserDialog()
{
Description = "Song Directory",
ShowNewFolderButton = false,
};
Forms.DialogResult dialogResult = folderDialog.ShowDialog();
if (dialogResult == Forms.DialogResult.OK)
{
string selectedSongPath = folderDialog.SelectedPath;
var list = _data.Select(sd => _analysisTypeContextSelected ? sd.Context : sd.Theme);
var uniqueList = list.Distinct().ToList();
// put this in a new thread
_musicAnalysis = new MusicAnalyzer(uniqueList);
// load
int epoch = 0;
int.TryParse(TxbEpoch.Text, out epoch);
object arguments = new MusicArg
{
Analyzer = _musicAnalysis,
Epoch = epoch,
SongData = _data,
IsContext = _analysisTypeContextSelected,
FilePath = selectedSongPath
};
// var objRef = _backgroundWorker.CreateObjRef(typeof(MusicAnalyzer));
_backgroundWorker.RunWorkerAsync(arguments);
// new Thread(new ThreadStart(Analyze))
BtnRun.IsEnabled = false;
LblProgress.Content = "Running...";
}
}
private void Worker_Work(object sender, DoWorkEventArgs e)
{
BackgroundWorker bw = sender as BackgroundWorker;
MusicArg args = (MusicArg)e.Argument;
Random r = new Random();
if (args.Epoch <= 0)
{
double error = double.PositiveInfinity;
double previous;
do
{
Shuffle(args.SongData, r);
previous = error;
error = 0;
for (int j = 0; j < args.SongData.Count; j++)
{
SongData song = args.SongData[j];
string songFile = System.IO.Path.Combine(args.FilePath, song.Source, song.Name + ".wav");
//// Console.WriteLine("Trying to load file...{0}", file);
AudioEngineCSharp.AudioEngine.Audio audio = AudioEngineCSharp.AudioEngine.Load(songFile, false, false);
//// load up the file
unsafe
{
// error += args.Analyzer.AddData(audio.RawData, audio.DataSize, args.IsContext ? song.Context : song.Theme, true);
}
//// _themeAnalyzer.AddData(a.Data, data.Theme);
audio.Dispose();
// float percent = ((float)(i * args.SongData.Count + (j + 1))) / totalNum;
// int progress = (int)(Math.Round(percent * 100));
Debug.WriteLine(string.Format("Finished ({0}) {1}", song.Source, song.Name));
// bw.ReportProgress(progress);
}
Debug.WriteLine(string.Format("Error: {0}, Previous: {1}", error, previous));
// } while (Math.Abs(previous - error) >= 1e-10 * previous);
} while (Math.Abs(previous - error) >= 1e-4);
}
else
{
int totalNum = args.SongData.Count * args.Epoch;
// prepreprocess
for (int i = 0; i < args.SongData.Count; i++)
{
SongData song = args.SongData[i];
string songFile = System.IO.Path.Combine(args.FilePath, song.Source, song.Name + ".wav");
AudioEngineCSharp.AudioEngine.Audio audio = AudioEngineCSharp.AudioEngine.Load(songFile, false, false);
unsafe
{
args.Analyzer.PreprocessAddData(audio.RawData, audio.DataSize);
}
audio.Dispose();
}
args.Analyzer.PreDeviation();
for (int i = 0; i < args.SongData.Count; i++)
{
SongData song = args.SongData[i];
string songFile = System.IO.Path.Combine(args.FilePath, song.Source, song.Name + ".wav");
AudioEngineCSharp.AudioEngine.Audio audio = AudioEngineCSharp.AudioEngine.Load(songFile, false, false);
unsafe
{
args.Analyzer.ProcessDeviation(audio.RawData, audio.DataSize);
}
audio.Dispose();
}
args.Analyzer.PreProcessData();
for (int i = 0; i < args.Epoch; i++)
{
Shuffle(args.SongData, r);
for (int j = 0; j < args.SongData.Count; j++)
{
SongData song = args.SongData[j];
string songFile = System.IO.Path.Combine(args.FilePath, song.Source, song.Name + ".wav");
//// Console.WriteLine("Trying to load file...{0}", file);
AudioEngineCSharp.AudioEngine.Audio audio = AudioEngineCSharp.AudioEngine.Load(songFile, false, false);
//// load up the file
unsafe
{
args.Analyzer.ProcessData(audio.RawData, audio.DataSize, args.IsContext ? song.Context : song.Theme);
}
//// _themeAnalyzer.AddData(a.Data, data.Theme);
audio.Dispose();
float percent = ((float)(i * args.SongData.Count + (j + 1))) / totalNum;
int progress = (int)(Math.Round(percent * 100));
Debug.WriteLine(string.Format("Percent: {0}, Finished ({1}) {2}", percent, song.Source, song.Name));
bw.ReportProgress(progress);
}
}
}
}
