gstreamer/sources/custom/FFTF32.cs

// Copyright (C) 2013  Stephan Sundermann <stephansundermann@gmail.com>
// 
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

namespace Gst.FFT {

	using System;
	using System.Collections;
	using System.Collections.Generic;
	using System.Runtime.InteropServices;

	public partial class FFTF32 : GLib.Opaque {

		[DllImport("libgstfft-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("libgstfft-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("libgstfft-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);
		}
	}
}