/usr/include/gstreamer-1.0/gst/fft/gstffts16.h is in libgstreamer-plugins-base1.0-dev 1.2.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | /* 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_S16_H__
#define __GST_FFT_S16_H__
#include <glib.h>
#include <gst/gst.h>
#include "gstfft.h"
G_BEGIN_DECLS
typedef struct _GstFFTS16 GstFFTS16;
typedef struct _GstFFTS16Complex GstFFTS16Complex;
/* Copy of kiss_fft_s16_cpx for documentation reasons,
* do NOT change! */
/**
* GstFFTS16Complex:
* @r: Real part
* @i: Imaginary part
*
* Data type for complex numbers composed of
* signed 16 bit integers.
*/
struct _GstFFTS16Complex
{
gint16 r;
gint16 i;
};
/* Functions */
GstFFTS16 * gst_fft_s16_new (gint len, gboolean inverse);
void gst_fft_s16_free (GstFFTS16 *self);
void gst_fft_s16_fft (GstFFTS16 *self, const gint16 *timedata,
GstFFTS16Complex *freqdata);
void gst_fft_s16_inverse_fft (GstFFTS16 *self, const GstFFTS16Complex *freqdata,
gint16 *timedata);
void gst_fft_s16_window (GstFFTS16 *self, gint16 *timedata, GstFFTWindow window);
G_END_DECLS
#endif /* __GST_FFT_S16_H__ */
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