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/* 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.
*/
#ifndef __GST_FFT_S32_H__
#define __GST_FFT_S32_H__
#include <glib.h>
#include <gst/gst.h>
#include "gstfft.h"
typedef struct _GstFFTS32 GstFFTS32;
typedef struct _GstFFTS32Complex GstFFTS32Complex;
/**
* GstFFTS32:
*
* Instance structure for #GstFFTS32.
*
*/
struct _GstFFTS32 {
/* <private> */
void * cfg;
gboolean inverse;
gint len;
gpointer _padding[GST_PADDING];
};
/* Copy of kiss_fft_s32_cpx for documentation reasons,
* do NOT change! */
/**
* GstFFTS32Complex:
* @r: Real part
* @i: Imaginary part
*
* Data type for complex numbers composed of
* signed 32 bit integers.
*
*/
struct _GstFFTS32Complex
{
gint32 r;
gint32 i;
};
/* Functions */
GstFFTS32 * gst_fft_s32_new (gint len, gboolean inverse);
void gst_fft_s32_fft (GstFFTS32 *self, const gint32 *timedata, GstFFTS32Complex *freqdata);
void gst_fft_s32_inverse_fft (GstFFTS32 *self, const GstFFTS32Complex *freqdata, gint32 *timedata);
void gst_fft_s32_free (GstFFTS32 *self);
void gst_fft_s32_window (GstFFTS32 *self, gint32 *timedata, GstFFTWindow window);
void gst_fft_s32_magnitude (GstFFTS32 *self, GstFFTS32Complex *freqdata,
gdouble *magnitude, gboolean decibel);
void gst_fft_s32_phase (GstFFTS32 *self, GstFFTS32Complex *freqdata,
gdouble *phase);
#endif /* __GST_FFT_S32_H__ */
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