/* Resampling library * Copyright (C) <2001> David Schleef <ds@schleef.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 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 __PRIVATE_H__ #define __PRIVATE_H__ #include "resample.h" #include "config.h" void resample_nearest_s16(resample_t *r); void resample_bilinear_s16(resample_t *r); void resample_sinc_s16(resample_t *r); void resample_sinc_slow_s16(resample_t *r); void resample_sinc_ft_s16(resample_t * r); void resample_nearest_float(resample_t *r); void resample_bilinear_float(resample_t *r); void resample_sinc_float(resample_t *r); void resample_sinc_slow_float(resample_t *r); void resample_sinc_ft_float(resample_t * r); typedef struct functable_s functable_t; struct functable_s { double start; double offset; int len; double invoffset; double scale; double scale2; double (*func_x)(void *,double x); double (*func_dx)(void *,double x); double (*func2_x)(void *,double x); double (*func2_dx)(void *,double x); double *fx; double *fdx; void *priv; }; void functable_init(functable_t *t); double functable_eval(functable_t *t,double x); double functable_fir(functable_t *t,double x0,int n,double *data,int len); void functable_fir2(functable_t *t,double *r0, double *r1, double x0, int n,double *data,int len); double functable_sinc(void *p, double x); double functable_dsinc(void *p, double x); double functable_window_std(void *p, double x); double functable_window_dstd(void *p, double x); double functable_window_boxcar(void *p, double x); double functable_window_dboxcar(void *p, double x); /* math lib stuff */ void conv_double_short_table(double *dest, short *src, int n); void conv_double_short_unroll(double *dest, short *src, int n); void conv_double_short_ref(double *dest, short *src, int n); #ifdef HAVE_CPU_PPC void conv_double_short_altivec(double *dest, short *src, int n); #endif void conv_short_double_ref(short *dest, double *src, int n); #ifdef HAVE_CPU_PPC void conv_short_double_ppcasm(short *dest, double *src, int n); #endif #ifdef HAVE_CPU_PPC #define conv_double_short conv_double_short_table #define conv_short_double conv_short_double_ppcasm #else #define conv_double_short conv_double_short_ref #define conv_short_double conv_short_double_ref #endif #define conv_double_float conv_double_float_ref #define conv_float_double conv_float_double_ref void conv_double_short_dstr(double *dest, short *src, int n, int dstr); void conv_short_double_sstr(short *dest, double *src, int n, int dstr); void conv_double_float_ref(double *dest, float *src, int n); void conv_float_double_ref(float *dest, double *src, int n); void conv_double_float_dstr(double *dest, float *src, int n, int dstr); void conv_float_double_sstr(float *dest, double *src, int n, int sstr); #endif /* __PRIVATE_H__ */