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1 /* GStreamer |
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2 * Copyright (C) <2007> Sebastian Dröge <slomo@circular-chaos.org> |
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3 * |
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4 * This library is free software; you can redistribute it and/or |
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5 * modify it under the terms of the GNU Library General Public |
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6 * License as published by the Free Software Foundation; either |
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7 * version 2 of the License, or (at your option) any later version. |
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8 * |
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9 * This library is distributed in the hope that it will be useful, |
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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12 * Library General Public License for more details. |
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13 * |
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14 * You should have received a copy of the GNU Library General Public |
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15 * License along with this library; if not, write to the |
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16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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17 * Boston, MA 02111-1307, USA. |
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18 */ |
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19 |
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20 #ifndef __GST_FFT_F64_H__ |
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21 #define __GST_FFT_F64_H__ |
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22 |
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23 #include <glib.h> |
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24 #include <gst/gst.h> |
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25 |
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26 #include "gstfft.h" |
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27 |
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28 typedef struct _GstFFTF64 GstFFTF64; |
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29 typedef struct _GstFFTF64Complex GstFFTF64Complex; |
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30 |
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31 /** |
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32 * GstFFTF64: |
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33 * |
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34 * Instance structure for #GstFFTF64. |
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35 * |
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36 */ |
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37 struct _GstFFTF64 { |
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38 /* <private> */ |
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39 void * cfg; |
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40 gboolean inverse; |
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41 gint len; |
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42 gpointer _padding[GST_PADDING]; |
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43 }; |
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44 |
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45 /* Copy of kiss_fft_f64_cpx for documentation reasons, |
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46 * do NOT change! */ |
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47 |
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48 /** |
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49 * GstFFTF64Complex: |
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50 * @r: Real part |
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51 * @i: Imaginary part |
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52 * |
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53 * Data type for complex numbers composed of |
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54 * 64 bit float. |
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55 * |
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56 */ |
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57 struct _GstFFTF64Complex |
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58 { |
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59 gdouble r; |
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60 gdouble i; |
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61 }; |
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62 |
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63 /* Functions */ |
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64 #ifdef __SYMBIAN32__ |
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65 IMPORT_C |
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66 #endif |
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67 |
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68 |
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69 GstFFTF64 * gst_fft_f64_new (gint len, gboolean inverse); |
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70 #ifdef __SYMBIAN32__ |
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71 IMPORT_C |
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72 #endif |
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73 |
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74 void gst_fft_f64_fft (GstFFTF64 *self, const gdouble *timedata, GstFFTF64Complex *freqdata); |
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75 #ifdef __SYMBIAN32__ |
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76 IMPORT_C |
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77 #endif |
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78 |
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79 void gst_fft_f64_inverse_fft (GstFFTF64 *self, const GstFFTF64Complex *freqdata, gdouble *timedata); |
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80 #ifdef __SYMBIAN32__ |
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81 IMPORT_C |
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82 #endif |
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83 |
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84 void gst_fft_f64_free (GstFFTF64 *self); |
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85 #ifdef __SYMBIAN32__ |
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86 IMPORT_C |
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87 #endif |
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88 |
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89 |
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90 void gst_fft_f64_window (GstFFTF64 *self, gdouble *timedata, GstFFTWindow window); |
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91 |
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92 #endif /* __GST_FFT_F64_H__ */ |