public static double HistogramConv(SongProfile sp1, SongProfile sp2, double step)
{
var ans = new List <double>();
var interm = new List <double>();
List <double> avg1_smoothed = new List <double>(), avg2_smoothed = new List <double>();
for (int i = 0; i < sp1.fft_smoothed_snaps.Count; i++)
{
avg1_smoothed.Add(sp1.fft_smoothed_snaps[i].Average());
avg2_smoothed.Add(sp2.fft_smoothed_snaps[i].Average());
}
for (int i = 0; i < sp1.fft_smoothed_snaps.Count; i++)
{
for (int j = 0; j < sp2.fft_smoothed_snaps.Count; j++)
{
interm.Add(Utility.Correl(sp1.fft_smoothed_snaps[i], sp2.fft_smoothed_snaps[j], avg1_smoothed[i], avg2_smoothed[j]));
}
}
for (double k = -1; k <= 1; k += step)
{
ans.Add((double)interm.Count(t => (t > k - step) && (t <= k)) / (double)interm.Count);
}
double s = 0;
for (int i = 0; i < ans.Count; i++)
{
s += ans[i] * ((double)(i) - 1 / step);
}
return(s * step);
}
private void button3_Click(object sender, EventArgs e)
{
if (MessageBox.Show(
this,
"Are you sure want to (re)create the database?",
"HOLO",
MessageBoxButtons.YesNo,
MessageBoxIcon.Question) != DialogResult.Yes)
{
return;
}
listBox1.Items.Clear();
var fll = MakeFilesList(textBox1.Text);
var fl = fll.OrderBy(t => Path.GetFileName(t).Length.ToString()).ToList();
listBox1.Items.Add("Found files: " + fl.Count);
using (var db = new SQLiteConnection())
{
try
{
db.ConnectionString = GetConnectionString(tbDBName.Text);
db.Open();
Database.Create(db);
}
catch
{
MessageBox.Show("Something has gone wrong with the database");
return;
}
int s_count = 0;
PB1.Maximum = fl.Count;
PB1.Minimum = 0;
foreach (var f in fl)
{
try
{
if (s_count % 50 == 0)
{
listBox1.Items.Clear();
listBox1.Items.Add("Items done: " + s_count + " of " + fl.Count);
}
var songProfile = new SongProfile(Path.GetFileName(f), f);
if (!songProfile.MakeSnaps((int)nUD2.Value, (int)nUD.Value, f))
{
listBox1.Items.Add("![" + s_count + "]! Cannot make snapshots for " + songProfile.Path);
s_count++;
continue;
}
songProfile.MakeDownscaledSnaps((int)nUD4.Value);
listBox1.Items.Add("[" + s_count + "] " + songProfile.Name);
Database.SaveSongProfile(db, s_count, songProfile);
PB1.Value = s_count;
Application.DoEvents();
s_count++;
}
catch
{
continue;
}
}
}
DBPostProcess(tbDBName.Text);
}
public static void SaveSongProfile(SQLiteConnection db, int id, SongProfile songProfile)
{
if (db == null)
{
throw new ArgumentNullException("db");
}
if (songProfile == null)
{
throw new ArgumentNullException("songProfile");
}
var d = songProfile.CalcAllStats();
var myparam1 = new SQLiteParameter("@id");
var myparam2 = new SQLiteParameter("@name");
var myparam3 = new SQLiteParameter("@path");
var myparam2_1 = new SQLiteParameter("@id");
var myparam2_2 = new SQLiteParameter("@statname");
var myparam2_3 = new SQLiteParameter("@statparam1");
var myparam2_4 = new SQLiteParameter("@statparam2");
var myparam2_5 = new SQLiteParameter("@statvalue");
using (var cmd = db.CreateCommand())
{
cmd.CommandText = "BEGIN TRANSACTION;";
cmd.ExecuteNonQuery();
foreach (var di in d)
{
cmd.CommandText = "INSERT INTO STATS VALUES (@id, @statname, @statparam1, @statparam2, @statvalue);";
myparam2_1.Value = id;
myparam2_2.Value = di.Key;
myparam2_3.Value = 0;
myparam2_4.Value = 0;
myparam2_5.Value = di.Value;
cmd.Parameters.Clear();
cmd.Parameters.Add(myparam2_1);
cmd.Parameters.Add(myparam2_2);
cmd.Parameters.Add(myparam2_3);
cmd.Parameters.Add(myparam2_4);
cmd.Parameters.Add(myparam2_5);
cmd.ExecuteNonQuery();
}
cmd.CommandText = "INSERT INTO MAIN VALUES (@id, @name, @path);";
myparam1.Value = id;
myparam2.Value = songProfile.Name;
myparam3.Value = songProfile.Path;
cmd.Parameters.Clear();
cmd.Parameters.Add(myparam1);
cmd.Parameters.Add(myparam2);
cmd.Parameters.Add(myparam3);
cmd.ExecuteNonQuery();
cmd.CommandText = "COMMIT;";
cmd.ExecuteNonQuery();
}
}