/* 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__ #include <gst/fft/fft-prelude.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_FFT_API gint gst_fft_next_fast_length (gint n) G_GNUC_CONST; G_END_DECLS #endif /* __GST_FFT_H__ */