private void button1_Click(object sender, RoutedEventArgs e)
{
Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();
dlg.DefaultExt = ".wav";
dlg.Multiselect = true;
dlg.Filter = "Wave files|*.wav";
if (dlg.ShowDialog() == true)
{
var profile = FingerprintGenerator.GetProfiles()[0];
spectrogram1.SpectrogramSize = profile.WindowSize / 2;
spectrogram2.SpectrogramSize = profile.WindowSize / 2;
ColorGradient gradient = new ColorGradient(0, 1);
gradient.AddStop(Colors.Black, 0);
gradient.AddStop(Colors.White, 1);
var palette = gradient.GetGradientArgbArray(1024);
// Set zero dB to red, and then set all found peaks to zero dB to make them visible in the spectrogram
palette[palette.Length - 1] = ColorGradient.ColorToArgb(Colors.Red);
spectrogram1.ColorPalette = palette;
spectrogram2.ColorPalette = palette;
var store = new FingerprintStore(profile);
Task.Factory.StartNew(() => {
foreach (string file in dlg.FileNames)
{
AudioTrack audioTrack = new AudioTrack(new FileInfo(file));
IAudioStream audioStream = audioTrack.CreateAudioStream();
IProgressReporter progressReporter = ProgressMonitor.GlobalInstance.BeginTask("Generating fingerprints for " + audioTrack.FileInfo.Name, true);
int hashCount = 0;
FingerprintGenerator fpg = new FingerprintGenerator(profile);
fpg.FrameProcessed += delegate(object sender2, FrameProcessedEventArgs e2) {
var spectrum = (float[])e2.Spectrum.Clone();
var spectrumResidual = (float[])e2.SpectrumResidual.Clone();
Dispatcher.BeginInvoke((Action) delegate {
spectrogram1.AddSpectrogramColumn(spectrum);
spectrogram2.AddSpectrogramColumn(spectrumResidual);
progressReporter.ReportProgress((double)e2.Index / e2.Indices * 100);
});
};
fpg.SubFingerprintsGenerated += delegate(object sender2, SubFingerprintsGeneratedEventArgs e2) {
hashCount += e2.SubFingerprints.Count;
store.Add(e2);
};
fpg.Generate(audioTrack);
Debug.WriteLine("{0} hashes (mem {1:0.00} mb)", hashCount, (hashCount * Marshal.SizeOf(typeof(SubFingerprintHash))) / 1024f / 1024f);
progressReporter.Finish();
}
store.FindAllMatches();
});
}
}
public DtwPath()
{
ColorGradient gradient = new ColorGradient(0, 1);
gradient.AddStop(Colors.Black, 0);
gradient.AddStop(Colors.White, 1);
colorPalette = gradient.GetGradient(256).Select(c => GetColorValue(c)).ToArray();
pathColor = GetColorValue(Colors.LimeGreen);
minColor = GetColorValue(Colors.Magenta);
maxColor = GetColorValue(Colors.Red);
undefColor = GetColorValue(Colors.White);
ClipToBounds = true;
}
public MultiTrackConnectionAdorner(UIElement adornedElement, MultiTrackListBox multiTrackListBox)
: base(adornedElement)
{
this.multiTrackListBox = multiTrackListBox;
matches = new ObservableCollection <Match>();
matches.CollectionChanged += Matches_CollectionChanged;
selectedMatches = new ObservableCollection <Match>();
selectedMatches.CollectionChanged += Matches_CollectionChanged;
ColorGradient gradient = new ColorGradient(0, 1);
gradient.AddStop(Colors.DarkRed, 0);
gradient.AddStop(Colors.Red, 0.5f);
gradient.AddStop(Colors.Yellow, 0.65f);
gradient.AddStop(Colors.Green, 0.8f);
gradient.AddStop(Colors.DarkGreen, 1);
colors = gradient.GetGradient(1024).ToArray();
}
