mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-06 09:29:42 +00:00
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/* 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., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef __GST_FFT_F32_H__
|
|
#define __GST_FFT_F32_H__
|
|
|
|
#include <glib.h>
|
|
#include <gst/gst.h>
|
|
|
|
#include "gstfft.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef struct _GstFFTF32 GstFFTF32;
|
|
typedef struct _GstFFTF32Complex GstFFTF32Complex;
|
|
|
|
/* Copy of kiss_fft_f32_cpx for documentation reasons,
|
|
* do NOT change! */
|
|
|
|
/**
|
|
* GstFFTF32Complex:
|
|
* @r: Real part
|
|
* @i: Imaginary part
|
|
*
|
|
* Data type for complex numbers composed of
|
|
* 32 bit float.
|
|
*/
|
|
struct _GstFFTF32Complex
|
|
{
|
|
gfloat r;
|
|
gfloat i;
|
|
};
|
|
|
|
/* Functions */
|
|
|
|
GST_FFT_API
|
|
GstFFTF32 * gst_fft_f32_new (gint len, gboolean inverse);
|
|
|
|
GST_FFT_API
|
|
void gst_fft_f32_free (GstFFTF32 *self);
|
|
|
|
GST_FFT_API
|
|
void gst_fft_f32_fft (GstFFTF32 *self, const gfloat *timedata,
|
|
GstFFTF32Complex *freqdata);
|
|
|
|
GST_FFT_API
|
|
void gst_fft_f32_inverse_fft (GstFFTF32 *self, const GstFFTF32Complex *freqdata,
|
|
gfloat *timedata);
|
|
|
|
GST_FFT_API
|
|
void gst_fft_f32_window (GstFFTF32 *self, gfloat *timedata, GstFFTWindow window);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_FFT_F32_H__ */
|