From e4e3b44e048ddc1d7499c6108175a5f89c6273d9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= Date: Fri, 23 Jan 2009 12:46:28 +0100 Subject: Rename audioresample files and types to legacyresample Finish the move/rename of audioresample to legacyresample to prevent any confusion. --- gst/legacyresample/functable.h | 61 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 gst/legacyresample/functable.h (limited to 'gst/legacyresample/functable.h') diff --git a/gst/legacyresample/functable.h b/gst/legacyresample/functable.h new file mode 100644 index 00000000..5f56e2bd --- /dev/null +++ b/gst/legacyresample/functable.h @@ -0,0 +1,61 @@ +/* Resampling library + * Copyright (C) <2001> David Schleef + * + * 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 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 __FUNCTABLE_H__ +#define __FUNCTABLE_H__ + +typedef void FunctableFunc (double *fx, double *dfx, double x, void *closure); + +typedef struct _Functable Functable; +struct _Functable { + int length; + + double offset; + double multiplier; + + double inv_multiplier; + + double *fx; + double *dfx; +}; + +Functable *functable_new (void); +void functable_setup (Functable *t); +void functable_free (Functable *t); + +void functable_set_length (Functable *t, int length); +void functable_set_offset (Functable *t, double offset); +void functable_set_multiplier (Functable *t, double multiplier); +void functable_calculate (Functable *t, FunctableFunc func, void *closure); +void functable_calculate_multiply (Functable *t, FunctableFunc func, void *closure); + + +double functable_evaluate (Functable *t,double x); + +double functable_fir(Functable *t,double x0,int n,double *data,int len); +void functable_fir2(Functable *t,double *r0, double *r1, double x0, + int n,double *data,int len); + +void functable_func_sinc(double *fx, double *dfx, double x, void *closure); +void functable_func_boxcar(double *fx, double *dfx, double x, void *closure); +void functable_func_hanning(double *fx, double *dfx, double x, void *closure); + +#endif /* __PRIVATE_H__ */ + -- cgit v1.2.1