/* GStreamer

 * Copyright (C) <2007> Sebastian Dröge <slomo@circular-chaos.org>

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 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

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

#include <glib.h>

#include <math.h>

#ifndef __GST_FFT_H__

#define __GST_FFT_H__

/**

 * GstFFTWindow:

 * @GST_FFT_WINDOW_RECTANGULAR: Rectangular window

 * @GST_FFT_WINDOW_HAMMING: Hamming window

 * @GST_FFT_WINDOW_HANN: Hann (sometimes also called Hanning) window

 * @GST_FFT_WINDOW_BARTLETT: Bartlett window

 * @GST_FFT_WINDOW_BLACKMAN: Blackman window

 *

 * The various window functions available.

 */

typedef enum

{

  GST_FFT_WINDOW_RECTANGULAR,

  GST_FFT_WINDOW_HAMMING,

  GST_FFT_WINDOW_HANN,

  GST_FFT_WINDOW_BARTLETT,

  GST_FFT_WINDOW_BLACKMAN

} GstFFTWindow;

/* Functions */

#ifdef __SYMBIAN32__

IMPORT_C

#endif

gint gst_fft_next_fast_length (gint n);

#endif /* __GST_FFT_H__ */