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 static void Dio(double[] x, int x_length, int fs, DioOption option,
double[] time_axis, double[] f0)
{
IntPtr ptr_time = Marshal.AllocHGlobal(Marshal.SizeOf <double>() * time_axis.Length);
IntPtr ptr_f0 = Marshal.AllocHGlobal(Marshal.SizeOf <double>() * f0.Length);
CoreDefinitions.Dio(x, x_length, fs, option, ptr_time, ptr_f0);
Marshal.Copy(ptr_time, time_axis, 0, time_axis.Length);
Marshal.Copy(ptr_f0, f0, 0, f0.Length);
Marshal.FreeHGlobal(ptr_time);
Marshal.FreeHGlobal(ptr_f0);
}
public static void InitializeDioOption(DioOption option) => CoreDefinitions.InitializeDioOption(option);
static extern void InitOption([Out] out DioOption option);
static extern void Compute([In] double[] x, int x_length, int fs, [In] ref DioOption option,
[Out] double[] temporal_positions, [Out] double[] f0);
public static void InitializeDioOption(DioOption option)
{
}
public static void Dio(double[] x, int x_length, int fs, DioOption option,
double[] time_axis, double[] f0)
{
}
public static extern void InitializeDioOption([Out] DioOption option);
public static extern void Dio([In][MarshalAs(UnmanagedType.LPArray, SizeParamIndex = 1)] double[] x,
int x_length, int fs, [In] DioOption option,
[In][Out] IntPtr time_axis, [In][Out] IntPtr f0);