diff -r 000000000000 -r 0e761a78d257 gst_plugins_base/gst-libs/gst/fft/gstffts16.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gst_plugins_base/gst-libs/gst/fft/gstffts16.h Thu Dec 17 08:53:32 2009 +0200 @@ -0,0 +1,91 @@ +/* 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_S16_H__ +#define __GST_FFT_S16_H__ + +#include +#include + +#include "gstfft.h" + +typedef struct _GstFFTS16 GstFFTS16; +typedef struct _GstFFTS16Complex GstFFTS16Complex; + +/** + * GstFFTS16: + * + * Instance structure for #GstFFTS16. + * + */ +struct _GstFFTS16 { + /* */ + void *cfg; + gboolean inverse; + gint len; + gpointer _padding[GST_PADDING]; +}; + +/* 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 */ +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + + +GstFFTS16 * gst_fft_s16_new (gint len, gboolean inverse); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +void gst_fft_s16_fft (GstFFTS16 *self, const gint16 *timedata, GstFFTS16Complex *freqdata); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +void gst_fft_s16_inverse_fft (GstFFTS16 *self, const GstFFTS16Complex *freqdata, gint16 *timedata); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + +void gst_fft_s16_free (GstFFTS16 *self); +#ifdef __SYMBIAN32__ +IMPORT_C +#endif + + +void gst_fft_s16_window (GstFFTS16 *self, gint16 *timedata, GstFFTWindow window); +#endif /* __GST_FFT_S16_H__ */