static void Process(Files.File file)
{
var audio = new Files.AudioFile
{
ID = file.ID,
ContentType = file.ContentType,
Name = file.Name,
Size = file.Size,
Url = file.Url,
FullPath = file.FullPath
};
audio.AlterPath = file.FullPath.ToLower().Replace("mp3", "wav");
var proxy = new BassProxy();
if (!File.Exists(audio.AlterPath))
proxy.RecodeTheFile(file.FullPath, audio.AlterPath, 5512);
FingerprintManager manager = new FingerprintManager();
manager.FingerprintLength = Length;
manager.TopWavelets = 150;
manager.MaxFrequency = 2048;
manager.MinFrequency = 512;
//float[][] spec = manager.CreateSpectrogram(proxy, audio.AlterPath, 0, 0);
var StaticStride = new StaticStride(0);
audio.Finger = manager.CreateFingerprints(proxy, audio.AlterPath, StaticStride).ToArray();
FileProvider.Save(audio);
}
/// <summary>
/// Resample the song
/// </summary>
private void BtnResampleClick(object sender, EventArgs e)
{
if (String.IsNullOrEmpty(_tbPathToFile.Text))
{
MessageBox.Show(Resources.SelectAPathToBeDrawn, Resources.SelectFile, MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
if (!File.Exists(Path.GetFullPath(_tbPathToFile.Text)))
{
MessageBox.Show(Resources.NoSuchFile, Resources.NoSuchFile, MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
SaveFileDialog sfd =
new SaveFileDialog
{
Filter = Resources.FileFilterWav,
FileName = Path.GetFileNameWithoutExtension(_tbPathToFile.Text) + ".wav"
};
if (sfd.ShowDialog() == DialogResult.OK)
{
Action action =
() =>
{
using (BassProxy bass = new BassProxy())
{
string pathToRecoded = Path.GetFullPath(sfd.FileName);
bass.RecodeTheFile(_tbPathToFile.Text, pathToRecoded, (int) _nudSampleRate.Value);
}
};
FadeControls(false);
action.BeginInvoke(
(result) =>
{
action.EndInvoke(result);
FadeControls(true);
MessageBox.Show(Resources.FileConverted, Resources.FileConverted, MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}, null);
}
}
static void Process(string path)
{
Console.WriteLine(path);
var proxy = new BassProxy();
proxy.RecodeTheFile(path + ".mp3", path + ".wav", 5512);
var data = File.CreateText(path + ".txt");
FingerprintManager manager = new FingerprintManager();
manager.FingerprintLength = Length;
manager.TopWavelets = 150;
manager.MaxFrequency = 2048;
manager.MinFrequency = 512;
float[][] spec = manager.CreateSpectrogram(proxy, path + ".wav", 0, 0);
var StaticStride = ( path == "7" ) ? new StaticStride(Milliseconds) : new StaticStride(0);
var fingerprint = manager.CreateFingerprints(proxy, path + ".wav", StaticStride);
if (path == "4") { sfinger = fingerprint; }
foreach (var finger in fingerprint)
{
int[] bits = finger.Select(f => f ? 1 : 0).ToArray();
data.WriteLine(string.Join(";", bits));
}
data.Close();
if(File.Exists( path + ".jpg") )
File.Delete(path + ".jpg");
if (spec.Length > 0)
{
Bitmap image = Imaging.GetSpectrogramImage(spec, 800, 600);
image.Save(path + ".jpg", ImageFormat.Jpeg);
}
if (path == "7")
{
var hasMin = new MinHash(new LocalPermutations("2.txt", ";"));
var result = File.CreateText("r.txt");
Dictionary<int, int> count = new Dictionary<int, int>();
foreach (var finger in sfinger)
{
//var t = fingerprint.Select(p => MinHash.CalculateSimilarity(finger, p)).OrderByDescending(p => p).ToArray();
//var t = fingerprint.Select(p => MinHash.CalculateHammingDistance (finger, p)).OrderByDescending(p => p).ToArray();
//var t = sfinger.Select(p => MinHash.CalculateSimilarity(finger, p)).OrderByDescending(p => p).ToArray();
for (int i = 0; i < fingerprint.Count; i++)
{
var similarity = MinHash.CalculateSimilarity(finger, fingerprint[i]);
if (similarity > 0.5f)
{
if (!count.ContainsKey(i))
count.Add(i, 0);
count[i]++;
result.Write("{1}:{0};", similarity.ToString("#.000"), i, i * 11.6f * Block, (i + 1) * 11.6f * Block);
}
}
result.WriteLine();
}
foreach (var c in count.OrderByDescending(p => p.Value))
result.Write("{0}:{1};", c.Key, c.Value);
result.WriteLine("-------------------");
foreach (var c in count.OrderBy(p => p.Key))
result.WriteLine("{0}:{1} Time: {2} ms;", c.Key, c.Value, c.Key * 11.6f * Block);
result.Close();
}
}
