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using System;
using DotnetWorld.API.Structs;
using DotnetWorld.API;
using System.Runtime.InteropServices;
namespace ConsoleApplication
{
public class WorldParameters
{
public double frame_period;
public int fs;
public double[] f0;
public double[] time_axis;
public int f0_length;
public double[,] spectrogram;
public double[,] aperiodicity;
public int fft_size;
}
public class WorldSample
{
public void DisplayInformation(int fs, int nbit, int x_length)
{
System.Console.WriteLine("File information");
System.Console.WriteLine($"Sampling : {fs} Hz {nbit} Bit");
System.Console.WriteLine($"Length {x_length} [sample]");
System.Console.WriteLine($"Lenght {((double)x_length / fs)} [sec]");
}
public void F0EstimationDio(double[] x, int x_length, WorldParameters world_parameters)
{
var option = new DioOption();
Core.InitializeDioOption(option);
option.frame_period = world_parameters.frame_period;
option.speed = 1;
option.f0_floor = 71.0;
option.allowed_range = 0.1;
world_parameters.f0_length = Core.GetSamplesForDIO(world_parameters.fs,
x_length, world_parameters.frame_period);
world_parameters.f0 = new double[world_parameters.f0_length];
world_parameters.time_axis = new double[world_parameters.f0_length];
double[] refined_f0 = new double[world_parameters.f0_length];
System.Console.WriteLine("Analysis");
Core.Dio(x, x_length, world_parameters.fs, option, world_parameters.time_axis,
world_parameters.f0);
Core.StoneMask(x, x_length, world_parameters.fs, world_parameters.time_axis,
world_parameters.f0, world_parameters.f0_length, refined_f0);
for (var i = 0; i < world_parameters.f0_length; ++i)
world_parameters.f0[i] = refined_f0[i];
}
public void F0EstimationHarvest(double[] x, int x_length, WorldParameters world_parameters)
{
var option = new HarvestOption();
Core.InitializeHarvestOption(option);
option.frame_period = world_parameters.frame_period;
option.f0_floor = 71.0;
world_parameters.f0_length = Core.GetSamplesForDIO(world_parameters.fs,
x_length, world_parameters.frame_period);
world_parameters.f0 = new double[world_parameters.f0_length];
world_parameters.time_axis = new double[world_parameters.f0_length];
System.Console.WriteLine("Analysis");
Core.Harvest(x, x_length, world_parameters.fs, option,
world_parameters.time_axis, world_parameters.f0);
}
public void SpectralEnvelopeEstimation(double[] x, int x_length, WorldParameters world_parameters)
{
var option = new CheapTrickOption();
Core.InitializeCheapTrickOption(world_parameters.fs, option);
option.q1 = -0.15;
option.f0_floor = 71.0;
world_parameters.fft_size = Core.GetFFTSizeForCheapTrick(world_parameters.fs, option);
world_parameters.spectrogram = new double[world_parameters.f0_length, world_parameters.fft_size / 2 + 1];
Core.CheapTrick(x, x_length, world_parameters.fs, world_parameters.time_axis,
world_parameters.f0, world_parameters.f0_length, option,
world_parameters.spectrogram);
}
public void AperiodicityEstimation(double[] x, int x_length, WorldParameters world_parameters)
{
var option = new D4COption();
Core.InitializeD4COption(option);
option.threshold = 0.85;
world_parameters.aperiodicity = new double[world_parameters.f0_length, world_parameters.fft_size / 2 + 1];
Core.D4C(x, x_length, world_parameters.fs, world_parameters.time_axis,
world_parameters.f0, world_parameters.f0_length,
world_parameters.fft_size, option, world_parameters.aperiodicity);
}
public void WaveformSynthesis(WorldParameters world_parameters, int fs, int y_length, double[] y)
{
Core.Synthesis(world_parameters.f0, world_parameters.f0_length,
world_parameters.spectrogram, world_parameters.aperiodicity,
world_parameters.fft_size, world_parameters.frame_period, fs,
y_length, y);
}
public void WaveformSynthesis2(WorldParameters world_parameters, int fs, int y_length, double[] y)
{
var synthesizer = new WorldSynthesizer();
int buffer_size = 64;
Core.InitializeSynthesizer(world_parameters.fs, world_parameters.frame_period,
world_parameters.fft_size, buffer_size, 100, synthesizer);
Core.AddParameters(world_parameters.f0, world_parameters.f0_length,
world_parameters.spectrogram, world_parameters.aperiodicity,
synthesizer);
int index;
var _buf = new double[buffer_size];
for (var i = 0; Core.Synthesis2(synthesizer); ++i)
{
index = i * buffer_size;
synthesizer.CopyFromBufferToArray(_buf);
for (var j = 0; j < buffer_size; ++j)
y [j + index] = _buf[j];
}
Core.DestroySynthesizer(synthesizer);
}
}
public class Program
{
public static void Main(string[] args)
{
if (args.Length < 2) {
System.Console.WriteLine($"./app infile outfile");
// return;
}
var world = new WorldSample();
var filename = args.Length < 1 ? "/Users/yamachu/Project/CPP/World/test/vaiueo2d.wav" : args[0];
var x_length = Tools.GetAudioLength(filename);
System.Console.WriteLine(x_length);
double[] x = new double[x_length];
int fs, nbit;
Tools.WavRead(filename, out fs, out nbit, x);
world.DisplayInformation(fs, nbit, x_length);
var parameters = new WorldParameters();
parameters.fs = fs;
parameters.frame_period = 5.0;
// world.F0EstimationDio(x, x_length, parameters);
world.F0EstimationHarvest(x, x_length, parameters);
world.SpectralEnvelopeEstimation(x, x_length, parameters);
world.AperiodicityEstimation(x, x_length, parameters);
int y_length = (int)((parameters.f0_length - 1) * parameters.frame_period / 1000.0 * fs) + 1;
double[] y = new double[y_length];
for (var i = 0; i < y.Length; i++)
y[i] = 0.0;
world.WaveformSynthesis(parameters, fs, y_length, y);
Tools.WavWrite(y, y_length, fs, nbit, args.Length < 2 ? "/Users/yamachu/Desktop/resyn_harvest_normal.wav": args[1]);
for (var i = 0; i < y.Length; i++)
y[i] = 0.0;
if (args.Length <= 1 || args.Length > 2)
{
world.WaveformSynthesis2(parameters, fs, y_length, y);
Tools.WavWrite(y, y_length, fs, nbit, args.Length < 3 ? "/Users/yamachu/Desktop/resyn_harvest_realtime.wav": args[2]);
}
}
}
}