mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-01 14:11:15 +00:00
55 lines
1.5 KiB
C
55 lines
1.5 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.
|
|
*/
|
|
|
|
#include <glib.h>
|
|
#include <math.h>
|
|
#include <gst/gst.h>
|
|
|
|
#ifndef __GST_FFT_H__
|
|
#define __GST_FFT_H__
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/**
|
|
* GstFFTWindow:
|
|
* @GST_FFT_WINDOW_RECTANGULAR: Rectangular window
|
|
* @GST_FFT_WINDOW_HAMMING: Hamming window
|
|
* @GST_FFT_WINDOW_HANN: Hann (sometimes also called Hanning) window
|
|
* @GST_FFT_WINDOW_BARTLETT: Bartlett window
|
|
* @GST_FFT_WINDOW_BLACKMAN: Blackman window
|
|
*
|
|
* The various window functions available.
|
|
*/
|
|
typedef enum
|
|
{
|
|
GST_FFT_WINDOW_RECTANGULAR,
|
|
GST_FFT_WINDOW_HAMMING,
|
|
GST_FFT_WINDOW_HANN,
|
|
GST_FFT_WINDOW_BARTLETT,
|
|
GST_FFT_WINDOW_BLACKMAN
|
|
} GstFFTWindow;
|
|
|
|
/* Functions */
|
|
|
|
GST_EXPORT
|
|
gint gst_fft_next_fast_length (gint n) G_GNUC_CONST;
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_FFT_H__ */
|