1 files changed, 0 insertions, 254 deletions
diff --git a/gst/audioresample/functable.c b/gst/audioresample/functable.c
deleted file mode 100644
index d627361f..00000000
--- a/gst/audioresample/functable.c
+++ /dev/null
@@ -1,254 +0,0 @@
-/* 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 "functable.h"
-#include "debug.h"
-
-
-
-void
-functable_func_sinc (double *fx, double *dfx, double x, void *closure)
-{
-  if (x == 0) {
-    *fx = 1;
-    *dfx = 0;
-    return;
-  }
-
-  *fx = sin (x) / x;
-  *dfx = (cos (x) - sin (x) / x) / x;
-}
-
-void
-functable_func_boxcar (double *fx, double *dfx, double x, void *closure)
-{
-  double width = *(double *) closure;
-
-  if (x < width && x > -width) {
-    *fx = 1;
-  } else {
-    *fx = 0;
-  }
-  *dfx = 0;
-}
-
-void
-functable_func_hanning (double *fx, double *dfx, double x, void *closure)
-{
-  double width = *(double *) closure;
-
-  if (x < width && x > -width) {
-    x /= width;
-    *fx = (1 - x * x) * (1 - x * x);
-    *dfx = -2 * 2 * x / width * (1 - x * x);
-  } else {
-    *fx = 0;
-    *dfx = 0;
-  }
-}
-
-
-Functable *
-functable_new (void)
-{
-  Functable *ft;
-
-  ft = malloc (sizeof (Functable));
-  memset (ft, 0, sizeof (Functable));
-
-  return ft;
-}
-
-void
-functable_free (Functable * ft)
-{
-  free (ft);
-}
-
-void
-functable_set_length (Functable * t, int length)
-{
-  t->length = length;
-}
-
-void
-functable_set_offset (Functable * t, double offset)
-{
-  t->offset = offset;
-}
-
-void
-functable_set_multiplier (Functable * t, double multiplier)
-{
-  t->multiplier = multiplier;
-}
-
-void
-functable_calculate (Functable * t, FunctableFunc func, void *closure)
-{
-  int i;
-  double x;
-
-  if (t->fx)
-    free (t->fx);
-  if (t->dfx)
-    free (t->dfx);
-
-  t->fx = malloc (sizeof (double) * (t->length + 1));
-  t->dfx = malloc (sizeof (double) * (t->length + 1));
-
-  t->inv_multiplier = 1.0 / t->multiplier;
-
-  for (i = 0; i < t->length + 1; i++) {
-    x = t->offset + t->multiplier * i;
-
-    func (&t->fx[i], &t->dfx[i], x, closure);
-  }
-}
-
-void
-functable_calculate_multiply (Functable * t, FunctableFunc func, void *closure)
-{
-  int i;
-  double x;
-
-  for (i = 0; i < t->length + 1; i++) {
-    double afx, adfx, bfx, bdfx;
-
-    afx = t->fx[i];
-    adfx = t->dfx[i];
-    x = t->offset + t->multiplier * i;
-    func (&bfx, &bdfx, x, closure);
-    t->fx[i] = afx * bfx;
-    t->dfx[i] = afx * bdfx + adfx * bfx;
-  }
-
-}
-
-double
-functable_evaluate (Functable * t, double x)
-{
-  int i;
-  double f0, f1, w0, w1;
-  double x2, x3;
-  double w;
-
-  if (x < t->offset || x > (t->offset + t->length * t->multiplier)) {
-    RESAMPLE_DEBUG ("x out of range %g", x);
-  }
-
-  x -= t->offset;
-  x *= t->inv_multiplier;
-  i = floor (x);
-  x -= i;
-
-  x2 = x * x;
-  x3 = x2 * x;
-
-  f1 = 3 * x2 - 2 * x3;
-  f0 = 1 - f1;
-  w0 = (x - 2 * x2 + x3) * t->multiplier;
-  w1 = (-x2 + x3) * t->multiplier;
-
-  w = t->fx[i] * f0 + t->fx[i + 1] * f1 + t->dfx[i] * w0 + t->dfx[i + 1] * w1;
-
-  /*w = t->fx[i] * (1-x) + t->fx[i+1] * x; */
-
-  return w;
-}
-
-
-double
-functable_fir (Functable * t, double x, int n, double *data, int len)
-{
-  int i, j;
-  double f0, f1, w0, w1;
-  double x2, x3;
-  double w;
-  double sum;
-
-  x -= t->offset;
-  x /= t->multiplier;
-  i = floor (x);
-  x -= i;
-
-  x2 = x * x;
-  x3 = x2 * x;
-
-  f1 = 3 * x2 - 2 * x3;
-  f0 = 1 - f1;
-  w0 = (x - 2 * x2 + x3) * t->multiplier;
-  w1 = (-x2 + x3) * t->multiplier;
-
-  sum = 0;
-  for (j = 0; j < len; j++) {
-    w = t->fx[i] * f0 + t->fx[i + 1] * f1 + t->dfx[i] * w0 + t->dfx[i + 1] * w1;
-    sum += data[j * 2] * w;
-    i += n;
-  }
-
-  return sum;
-}
-
-void
-functable_fir2 (Functable * t, double *r0, double *r1, double x,
-    int n, double *data, int len)
-{
-  int i, j;
-  double f0, f1, w0, w1;
-  double x2, x3;
-  double w;
-  double sum0, sum1;
-  double floor_x;
-
-  x -= t->offset;
-  x *= t->inv_multiplier;
-  floor_x = floor (x);
-  i = floor_x;
-  x -= floor_x;
-
-  x2 = x * x;
-  x3 = x2 * x;
-
-  f1 = 3 * x2 - 2 * x3;
-  f0 = 1 - f1;
-  w0 = (x - 2 * x2 + x3) * t->multiplier;
-  w1 = (-x2 + x3) * t->multiplier;
-
-  sum0 = 0;
-  sum1 = 0;
-  for (j = 0; j < len; j++) {
-    w = t->fx[i] * f0 + t->fx[i + 1] * f1 + t->dfx[i] * w0 + t->dfx[i + 1] * w1;
-    sum0 += data[j * 2] * w;
-    sum1 += data[j * 2 + 1] * w;
-    i += n;
-  }
-
-  *r0 = sum0;
-  *r1 = sum1;
-}