Android Open Source - voicesmith Kiss F F T

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License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Voicesmith <http://voicesmith.jurihock.de/>
 */*from ww w  .j av a2 s  .co m*/
 * Copyright (c) 2011-2014 Juergen Hock
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package de.jurihock.voicesmith.dsp;

import de.jurihock.voicesmith.Disposable;

public final class KissFFT implements Disposable
{
  private final long  handle;

  public KissFFT(int size)
  {
    handle = alloc(size);
  }

  public void dispose()
  {
    free(handle);
  }

  public void fft(float[] buffer)
  {
    fft(handle, buffer);
  }

  public void ifft(float[] buffer)
  {
    ifft(handle, buffer);
  }

  // JNI calls
  private native long alloc(int size);

  private native void free(long handle);

  private native void fft(long handle, float[] buffer);

  private native void ifft(long handle, float[] buffer);
}

Java Source Code List

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