public static void Main(string[] args)
{
var audioPath = @"vaiueo2d.wav";
var audioOutPath = @"vaiueo2d-out.wav";
var(x, fs, nbit) = AudioIO.WavRead(audioPath);
var(f0, t) = Dio.Compute(x, fs);
f0 = StoneMask.Compute(x, fs, t, f0);
var fftSize = CheapTrick.GetFftSize(fs);
var sp = CheapTrick.Compute(x, fs, t, f0, fftSize: fftSize);
var ap = D4C.Compute(x, fs, t, f0, fftSize: fftSize);
var ndim = 60;
var mgc = Codec.CodeSpectralEnvelope(sp, fs, ndim);
var bap = Codec.CodeAperiodicity(ap, fs);
Console.WriteLine($"{audioPath}:");
Console.WriteLine($" input samples count: {x.Length}");
Console.WriteLine($" sampling rate: {fs}");
Console.WriteLine($" bit rate: {nbit}");
Console.WriteLine();
Console.WriteLine($" frame count: {f0.Length}");
Console.WriteLine($" fft size: {fftSize}");
Console.WriteLine($" sp width: {sp.GetLength(1)}");
Console.WriteLine();
Console.WriteLine($" mgc width: {ndim}");
Console.WriteLine($" bap width: {bap.GetLength(1)}");
Console.WriteLine();
for (int i = 0; i < f0.Length; i++)
{
f0[i] *= 1.6789;
}
sp = Codec.DecodeSpectralEnvelope(mgc, fs, fftSize);
ap = Codec.DecodeAperiodicity(bap, fs, fftSize);
var y = Synthesis.Compute(f0, sp, ap, fs);
Console.WriteLine($"--> {audioOutPath}");
AudioIO.WavWrite(y, fs, nbit, audioOutPath);
}
public Track(string path, string checksum) : this()
{
Path = path;
Name = Utils.NameFromPath(path);
Checksum = checksum ?? AudioIO.Mp3Md5Hash(path);
}
public void ExportToText(string outputFile)
{
AudioIO.TextExport(this, outputFile);
}
public void ExportMix(BackgroundWorker bw, TrackCollection collection, string outputFile)
{
_savedOverlay = null;
_tempWavPath = _tempDirPath + "automix_1.wav";
_waveFileWriter = new WaveFileWriter(_tempWavPath, AudioIO.TempWaveFormat);
var count = 1;
var tempFileDuration = 0;
_currentMixDuration = 0;
Track firstTrack = collection[0];
int fadeInDurationPreviousTrack = CalculateFadeInDuration(firstTrack);
int nbTracks = collection.Count;
for (int i = 0; i < nbTracks && MixDuration != 0; i++)
{
Track track = collection[i];
if (bw.CancellationPending)
{
_waveFileWriter.Close();
break;
}
//TO DO : change this after transition start
tempFileDuration += track.Duration;
if (tempFileDuration > 2700000) //45 minutes
{
tempFileDuration = track.Duration;
CreateNewTempFile();
}
if (i == 0)
{
_currentMixDuration += CalculateFadeInDuration(firstTrack);
}
if (track != collection[nbTracks - 1])
{
if (_currentMixDuration < MixDuration)
{
Track nextTrack = collection[i + 1];
fadeInDurationPreviousTrack = FadeInOut(track, nextTrack, fadeInDurationPreviousTrack, collection);
}
}
else
{
if (_currentMixDuration < MixDuration)
{
FadeInOut(track, track, fadeInDurationPreviousTrack, collection);
}
}
bw.ReportProgress(1000 * count++ / (collection.Count + 2));
}
if (!bw.CancellationPending)
{
FinalizeLastTempFile();
bw.ReportProgress(1000 * count++ / (collection.Count + 2));
AudioIO.WavToMp3(_tempFileList, outputFile, AudioIO.CreateId3TagData(outputFile));
bw.ReportProgress(1000 * count++ / (collection.Count + 2));
}
DeleteTempFiles();
Console.WriteLine(_currentMixDuration);
}
