public Sound(Stream s)
{
if (s == null)
{
throw new ArgumentNullException("s", "Must be a valid System.IO.Stream.");
}
reader = SoundReader.Create(s);
}
public Sound(string filename)
{
if (String.IsNullOrEmpty(filename))
{
throw new ArgumentNullException("s", "Must be a valid System.IO.Stream.");
}
reader = SoundReader.Create(filename);
}
private static void Main(string[] args)
{
/*var files = new List<string>();
* var data = new List<(List<double>, string)>();
* var percent = 0.0;
* Console.WriteLine($"Percent: {percent * 100}%");
* foreach (var genre in Genres)
* {
* for (var i = 0; i < 5; i++)
* {
* var file = $@"C:\Users\Ale\Licenta-master\Licenta-master\PopulateDatabase\music\genres\{genre}\{genre}.0000{i}.wav";
* var sound = SoundReader.ReadFromFile(file);
* var fftResult = Fft.CalculateFft(sound, keepAll: true);
* foreach (var res in fftResult.Result)
* data.Add((res.Points.Select(x => (double)x).ToList(), genre));
* percent += 1.0 / 50;
* Console.Clear();
*
* Console.WriteLine($"Percent: {percent * 100}%");
* }
* }*/
var ann = new RNA(null, AnnMode.Training, ActivationFunctions.Tahn);
var net = Utils.ReadFromBinaryFile <List <List <Neuron> > >("net");
//var net = ann.NetInit(10, 9);
//ann.Training(ref net, 10, 0.001, 1000);
var sound2 = SoundReader.ReadFromFile(
@"C:\Users\Ale\Licenta-master\Licenta-master\PopulateDatabase\music\genres\disco\disco.00001.wav");
var result2 = Fft.CalculateFft(sound2, keepAll: true);
//var realOutputs = ann.TestData.Select(x => x.Item2).ToList();
ann.TestData = result2.Result.Select(x => (x.HighScores, "disco")).ToList();
ann.TestData.Shuffle();
var computedOutputs = ann.Evaluate(ref net, 10);
var genres = ann.GetGeneres();
foreach (var result in computedOutputs)
{
genres[ann.GetValueFromLabelVector(result)] += 1;
}
var s = genres.ToDictionary(x => x.Key, x => x.Value * 100.0 / computedOutputs.Count);
//Console.Write(ann.ComputePerformance(computedOutputs, realOutputs));
Utils.WriteToBinaryFile("net", net);
Console.ReadKey();
}
public void TestWav()
{
var musicPath = Path.GetFullPath(
Path.Combine(Directory.GetCurrentDirectory(), @"..\..\..\bells.wav"));
var wavSound = (WavSound)SoundReader.ReadFromFile(musicPath);
Assert.IsNotNull(wavSound);
Assert.AreEqual(16, wavSound.BitDepth);
Assert.AreEqual(2, wavSound.NumChannels);
Assert.AreEqual((uint)44100, wavSound.SampleRate);
Assert.AreEqual(1222414, wavSound.Data.Count);
}
private static void AddSongToDb(string musicPath, MusicItem musicItem)
{
using var unitOfWork = new UnitOfWork();
var songRepo = unitOfWork.GetRepository <Song>();
var songPartsRepo = unitOfWork.GetRepository <SongPart>();
var sound = SoundReader.ReadFromFile(Path.Combine(musicPath, musicItem.File));
var newSong = new Song
{
Name = musicItem.Name,
ApparitionDate = musicItem.ApparitionDate,
Artist = musicItem.Artist,
BeatPortLink = musicItem.BeatportLink,
SpotifyLink = musicItem.SpotifyLink,
YoutubeLink = musicItem.YoutubeLink,
Genre = musicItem.Genre,
Picture = musicItem.PictureFile == "" ? null :
File.ReadAllBytes(Path.Combine(musicPath, musicItem.PictureFile)).ToArray(),
Duration = sound.Duration
};
songRepo.Add(newSong);
var resultFft = Fft.CalculateFft(sound);
resultFft.Result.ForEach(x => songPartsRepo.Add(new SongPart
{
SongId = newSong.Id,
Hashtag = x.Hash.ToString(),
Time = x.Time,
Duration = x.Duration,
HighScores = x.HighScores,
Points = x.Points
})
);
unitOfWork.Save();
unitOfWork.Dispose();
}
