gstreamer/gst-libs/gst/fft/gstfftf64.h
Tim-Philipp Müller 882151502d fft: GST_EXPORT -> GST_FFT_API
We need different export decorators for the different libs.
For now no actual change though, just rename before the release,
and add prelude headers to define the new decorator to GST_EXPORT.
2018-03-13 12:10:29 +00:00

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_F64_H__
#define __GST_FFT_F64_H__
#include <glib.h>
#include <gst/gst.h>
#include "gstfft.h"
G_BEGIN_DECLS
typedef struct _GstFFTF64 GstFFTF64;
typedef struct _GstFFTF64Complex GstFFTF64Complex;
/* Copy of kiss_fft_f64_cpx for documentation reasons,
* do NOT change! */
/**
* GstFFTF64Complex:
* @r: Real part
* @i: Imaginary part
*
* Data type for complex numbers composed of
* 64 bit float.
*/
struct _GstFFTF64Complex
{
gdouble r;
gdouble i;
};
/* Functions */
GST_FFT_API
GstFFTF64 * gst_fft_f64_new (gint len, gboolean inverse);
GST_FFT_API
void gst_fft_f64_free (GstFFTF64 *self);
GST_FFT_API
void gst_fft_f64_fft (GstFFTF64 *self, const gdouble *timedata,
GstFFTF64Complex *freqdata);
GST_FFT_API
void gst_fft_f64_inverse_fft (GstFFTF64 *self, const GstFFTF64Complex *freqdata,
gdouble *timedata);
GST_FFT_API
void gst_fft_f64_window (GstFFTF64 *self, gdouble *timedata, GstFFTWindow window);
G_END_DECLS
#endif /* __GST_FFT_F64_H__ */