| /* 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__ */ |
