mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-03 16:09:39 +00:00
79 lines
2 KiB
C
79 lines
2 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., 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"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
typedef struct _GstFFTS32 GstFFTS32;
|
|
typedef struct _GstFFTS32Complex GstFFTS32Complex;
|
|
|
|
/* FIXME 0.11: Move the struct definition to the sources,
|
|
* there's no reason to have it public.
|
|
*/
|
|
/**
|
|
* 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);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_FFT_S32_H__ */
|