/* 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_S16_H__ #define __GST_FFT_S16_H__ #include #include #include "gstfft.h" G_BEGIN_DECLS typedef struct _GstFFTS16 GstFFTS16; typedef struct _GstFFTS16Complex GstFFTS16Complex; /* Copy of kiss_fft_s16_cpx for documentation reasons, * do NOT change! */ /** * GstFFTS16Complex: * @r: Real part * @i: Imaginary part * * Data type for complex numbers composed of * signed 16 bit integers. */ struct _GstFFTS16Complex { gint16 r; gint16 i; }; /* Functions */ GST_FFT_API GstFFTS16 * gst_fft_s16_new (gint len, gboolean inverse); GST_FFT_API void gst_fft_s16_free (GstFFTS16 *self); GST_FFT_API void gst_fft_s16_fft (GstFFTS16 *self, const gint16 *timedata, GstFFTS16Complex *freqdata); GST_FFT_API void gst_fft_s16_inverse_fft (GstFFTS16 *self, const GstFFTS16Complex *freqdata, gint16 *timedata); GST_FFT_API void gst_fft_s16_window (GstFFTS16 *self, gint16 *timedata, GstFFTWindow window); G_END_DECLS #endif /* __GST_FFT_S16_H__ */