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53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
/* GStreamer
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* Copyright (C) <2007> Sebastian Dröge <slomo@circular-chaos.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <glib.h>
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#include <math.h>
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#ifndef __GST_FFT_H__
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#define __GST_FFT_H__
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G_BEGIN_DECLS
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/**
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* GstFFTWindow:
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* @GST_FFT_WINDOW_RECTANGULAR: Rectangular window
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* @GST_FFT_WINDOW_HAMMING: Hamming window
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* @GST_FFT_WINDOW_HANN: Hann (sometimes also called Hanning) window
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* @GST_FFT_WINDOW_BARTLETT: Bartlett window
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* @GST_FFT_WINDOW_BLACKMAN: Blackman window
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*
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* The various window functions available.
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*/
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typedef enum
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{
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GST_FFT_WINDOW_RECTANGULAR,
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GST_FFT_WINDOW_HAMMING,
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GST_FFT_WINDOW_HANN,
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GST_FFT_WINDOW_BARTLETT,
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GST_FFT_WINDOW_BLACKMAN
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} GstFFTWindow;
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/* Functions */
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gint gst_fft_next_fast_length (gint n) G_GNUC_CONST;
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G_END_DECLS
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#endif /* __GST_FFT_H__ */
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