/* 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., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifndef __GST_FFT_F64_H__ #define __GST_FFT_F64_H__ #include #include #include "gstfft.h" G_BEGIN_DECLS typedef struct _GstFFTF64 GstFFTF64; typedef struct _GstFFTF64Complex GstFFTF64Complex; /* Copy of kiss_fft_f64_cpx for documentation reasons, * do NOT change! */ /** * GstFFTF64Complex: * @r: Real part * @i: Imaginary part * * Data type for complex numbers composed of * 64 bit float. */ struct _GstFFTF64Complex { gdouble r; gdouble i; }; /* Functions */ GST_FFT_API GstFFTF64 * gst_fft_f64_new (gint len, gboolean inverse); GST_FFT_API void gst_fft_f64_free (GstFFTF64 *self); GST_FFT_API void gst_fft_f64_fft (GstFFTF64 *self, const gdouble *timedata, GstFFTF64Complex *freqdata); GST_FFT_API void gst_fft_f64_inverse_fft (GstFFTF64 *self, const GstFFTF64Complex *freqdata, gdouble *timedata); GST_FFT_API void gst_fft_f64_window (GstFFTF64 *self, gdouble *timedata, GstFFTWindow window); G_END_DECLS #endif /* __GST_FFT_F64_H__ */