gstreamer/subprojects/gstreamer-sharp/sources/custom/FFTF32.cs

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1.9 KiB
C#

// Copyright (C) 2013 Stephan Sundermann <stephansundermann@gmail.com>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301 USA
namespace Gst.FFT {
using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
public partial class FFTF32 : GLib.Opaque {
[DllImport("gstfft-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern IntPtr gst_fft_f32_new(int len, bool inverse);
public FFTF32(int len, bool inverse) {
Raw = gst_fft_f32_new(len, inverse);
}
[DllImport("gstfft-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern void gst_fft_f32_fft(IntPtr raw, float[] timedata, [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.Struct)] FFTF32Complex[] freqdata);
public void Fft(float[] timedata, Gst.FFT.FFTF32Complex[] freqdata) {
gst_fft_f32_fft(Handle, timedata, freqdata);
}
[DllImport("gstfft-1.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern void gst_fft_f32_window(IntPtr raw, float[] timedata, int window);
public void Window(float[] timedata, Gst.FFT.FFTWindow window) {
gst_fft_f32_window(Handle, timedata, (int)window);
}
}
}