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47c01dd098
Original commit message from CVS: 2004-02-23 Benjamin Otte <otte@gnome.org> * ext/xine/xineinput.c: (gst_xine_input_dispose): (gst_xine_input_subclass_init): call parent dispose. change pad template for CD reader correctly * ext/xine/Makefile.am: * ext/xine/gstxine.h: * ext/xine/xine.c: (plugin_init): * ext/xine/xineaudiosink.c: wrap audio sinks, too * gst-libs/gst/resample/private.h: * gst-libs/gst/resample/resample.c: (gst_resample_init), (gst_resample_reinit), (gst_resample_scale), (gst_resample_nearest_s16), (gst_resample_bilinear_s16), (gst_resample_sinc_slow_s16), (gst_resample_sinc_s16), (gst_resample_sinc_ft_s16), (gst_resample_nearest_float), (gst_resample_bilinear_float), (gst_resample_sinc_slow_float), (gst_resample_sinc_float), (gst_resample_sinc_ft_float): * gst-libs/gst/resample/resample.h: * gst/audioscale/gstaudioscale.c: (gst_audioscale_method_get_type), (gst_audioscale_class_init), (gst_audioscale_link), (gst_audioscale_get_buffer), (gst_audioscale_init), (gst_audioscale_chain), (gst_audioscale_set_property), (gst_audioscale_get_property): * gst/audioscale/gstaudioscale.h: s/resample_*/gst_resample_*/i to not clobber namespaces
109 lines
3.4 KiB
C
109 lines
3.4 KiB
C
/* Resampling library
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* Copyright (C) <2001> David Schleef <ds@schleef.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __PRIVATE_H__
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#define __PRIVATE_H__
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#include "resample.h"
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void gst_resample_nearest_s16(gst_resample_t *r);
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void gst_resample_bilinear_s16(gst_resample_t *r);
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void gst_resample_sinc_s16(gst_resample_t *r);
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void gst_resample_sinc_slow_s16(gst_resample_t *r);
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void gst_resample_sinc_ft_s16(gst_resample_t * r);
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void gst_resample_nearest_float(gst_resample_t *r);
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void gst_resample_bilinear_float(gst_resample_t *r);
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void gst_resample_sinc_float(gst_resample_t *r);
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void gst_resample_sinc_slow_float(gst_resample_t *r);
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void gst_resample_sinc_ft_float(gst_resample_t * r);
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typedef struct functable_s functable_t;
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struct functable_s {
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double start;
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double offset;
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int len;
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double invoffset;
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double scale;
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double scale2;
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double (*func_x)(void *,double x);
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double (*func_dx)(void *,double x);
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double (*func2_x)(void *,double x);
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double (*func2_dx)(void *,double x);
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double *fx;
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double *fdx;
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void *priv;
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};
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void functable_init(functable_t *t);
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double functable_eval(functable_t *t,double x);
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double functable_fir(functable_t *t,double x0,int n,double *data,int len);
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void functable_fir2(functable_t *t,double *r0, double *r1, double x0,
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int n,double *data,int len);
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double functable_sinc(void *p, double x);
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double functable_dsinc(void *p, double x);
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double functable_window_std(void *p, double x);
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double functable_window_dstd(void *p, double x);
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double functable_window_boxcar(void *p, double x);
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double functable_window_dboxcar(void *p, double x);
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/* math lib stuff */
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void conv_double_short_table(double *dest, short *src, int n);
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void conv_double_short_unroll(double *dest, short *src, int n);
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void conv_double_short_ref(double *dest, short *src, int n);
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#ifdef HAVE_CPU_PPC
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void conv_double_short_altivec(double *dest, short *src, int n);
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#endif
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void conv_short_double_ref(short *dest, double *src, int n);
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#ifdef HAVE_CPU_PPC
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void conv_short_double_ppcasm(short *dest, double *src, int n);
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#endif
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#ifdef HAVE_CPU_PPC
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#define conv_double_short conv_double_short_table
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#define conv_short_double conv_short_double_ppcasm
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#else
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#define conv_double_short conv_double_short_ref
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#define conv_short_double conv_short_double_ref
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#endif
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#define conv_double_float conv_double_float_ref
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#define conv_float_double conv_float_double_ref
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void conv_double_short_dstr(double *dest, short *src, int n, int dstr);
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void conv_short_double_sstr(short *dest, double *src, int n, int dstr);
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void conv_double_float_ref(double *dest, float *src, int n);
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void conv_float_double_ref(float *dest, double *src, int n);
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void conv_double_float_dstr(double *dest, float *src, int n, int dstr);
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void conv_float_double_sstr(float *dest, double *src, int n, int sstr);
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#endif /* __PRIVATE_H__ */
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