diff -r 000000000000 -r 0e761a78d257 gst_plugins_base/gst-libs/gst/fft/gstfftf32.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gst_plugins_base/gst-libs/gst/fft/gstfftf32.h Thu Dec 17 08:53:32 2009 +0200 @@ -0,0 +1,92 @@ +/* GStreamer + * Copyright (C) <2007> Sebastian Dröge + * + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +#ifndef __GST_FFT_F32_H__ +#define __GST_FFT_F32_H__ + +#include +#include + +#include "gstfft.h" + +typedef struct _GstFFTF32 GstFFTF32; +typedef struct _GstFFTF32Complex GstFFTF32Complex; + +/** + * GstFFTF32: + * + * Instance structure for #GstFFTF32. + * + */ +struct _GstFFTF32 { + /* */ + void * cfg; + gboolean inverse; + gint len; + gpointer _padding[GST_PADDING]; +}; + +/* Copy of kiss_fft_f32_cpx for documentation reasons, + * do NOT change! */ + +/** + * GstFFTF32Complex: + * @r: Real part + * @i: Imaginary part + * + * Data type for complex numbers composed of + * 32 bit float. + * + */ +struct _GstFFTF32Complex +{ + gfloat r; + gfloat i; +}; + +/* Functions */ +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + + +GstFFTF32 * gst_fft_f32_new (gint len, gboolean inverse); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +void gst_fft_f32_fft (GstFFTF32 *self, const gfloat *timedata, GstFFTF32Complex *freqdata); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +void gst_fft_f32_inverse_fft (GstFFTF32 *self, const GstFFTF32Complex *freqdata, gfloat *timedata); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +void gst_fft_f32_free (GstFFTF32 *self); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + + +void gst_fft_f32_window (GstFFTF32 *self, gfloat *timedata, GstFFTWindow window); + +#endif /* __GST_FFT_F32_H__ */