gstreamer/gst/audioscale/dtof.c

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/* Resampling library
* Copyright (C) <2001> David A. 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
/*#include <ml.h> */
#include "private.h"
void
conv_double_float_ref (double *dest, float *src, int n)
{
int i;
for (i = 0; i < n; i++) {
dest[i] = src[i];
}
}
void
conv_float_double_ref (float *dest, double *src, int n)
{
int i;
for (i = 0; i < n; i++) {
dest[i] = src[i];
}
}
void
conv_double_float_dstr (double *dest, float *src, int n, int dstr)
{
int i;
void *d = dest;
for (i = 0; i < n; i++) {
(*(double *) d) = *src++;
d += dstr;
}
}
void
conv_float_double_sstr (float *dest, double *src, int n, int sstr)
{
int i;
void *s = src;
for (i = 0; i < n; i++) {
*dest++ = *(double *) s;
s += sstr;
}
}