/* 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. */ #ifndef __GST_FFT_F32_H__ #define __GST_FFT_F32_H__ #include <glib.h> #include <gst/gst.h> #include "gstfft.h" G_BEGIN_DECLS typedef struct _GstFFTF32 GstFFTF32; typedef struct _GstFFTF32Complex GstFFTF32Complex; /* 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 */ GST_FFT_API GstFFTF32 * gst_fft_f32_new (gint len, gboolean inverse); GST_FFT_API void gst_fft_f32_free (GstFFTF32 *self); GST_FFT_API void gst_fft_f32_fft (GstFFTF32 *self, const gfloat *timedata, GstFFTF32Complex *freqdata); GST_FFT_API void gst_fft_f32_inverse_fft (GstFFTF32 *self, const GstFFTF32Complex *freqdata, gfloat *timedata); GST_FFT_API void gst_fft_f32_window (GstFFTF32 *self, gfloat *timedata, GstFFTWindow window); G_END_DECLS #endif /* __GST_FFT_F32_H__ */