/usr/include/gstreamer-1.0/gst/fft/gstfft.h is in libgstreamer-plugins-base1.0-dev 1.2.4-1~ubuntu2.1.
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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 | /* 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>
#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 */
gint gst_fft_next_fast_length (gint n) G_GNUC_CONST;
G_END_DECLS
#endif /* __GST_FFT_H__ */
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