Rename audioresample files and types to legacyresample

Finish the move/rename of audioresample to legacyresample
to prevent any confusion.

1 files changed, 0 insertions, 271 deletions

diff --git a/gst/audioresample/resample_functable.c b/gst/audioresample/resample_functable.c
deleted file mode 100644
index af124276..00000000
--- a/gst/audioresample/resample_functable.c
+++ /dev/null
@@ -1,271 +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 <limits.h>
-#include <liboil/liboil.h>
-
-#include "resample.h"
-#include "buffer.h"
-#include "debug.h"
-
-static void
-func_sinc (double *fx, double *dfx, double x, void *closure)
-{
-  //double scale = *(double *)closure;
-  double scale = M_PI;
-
-  if (x == 0) {
-    *fx = 1;
-    *dfx = 0;
-    return;
-  }
-
-  x *= scale;
-  *fx = sin (x) / x;
-  *dfx = scale * (cos (x) - sin (x) / x) / x;
-}
-
-static void
-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;
-  }
-}
-
-#if 0
-static double
-resample_sinc_window (double x, double halfwidth, double scale)
-{
-  double y;
-
-  if (x == 0)
-    return 1.0;
-  if (x < -halfwidth || x > halfwidth)
-    return 0.0;
-
-  y = sin (x * M_PI * scale) / (x * M_PI * scale) * scale;
-
-  x /= halfwidth;
-  y *= (1 - x * x) * (1 - x * x);
-
-  return y;
-}
-#endif
-
-#if 0
-static void
-functable_test (Functable * ft, double halfwidth)
-{
-  int i;
-  double x;
-
-  for (i = 0; i < 100; i++) {
-    x = i * 0.1;
-    printf ("%d %g %g\n", i, resample_sinc_window (x, halfwidth, 1.0),
-        functable_evaluate (ft, x));
-  }
-  exit (0);
-
-}
-#endif
-
-
-void
-resample_scale_functable (ResampleState * r)
-{
-  if (r->need_reinit) {
-    double hanning_width;
-
-    RESAMPLE_DEBUG ("sample size %d", r->sample_size);
-
-    if (r->buffer)
-      free (r->buffer);
-    r->buffer_len = r->sample_size * r->filter_length;
-    r->buffer = malloc (r->buffer_len);
-    memset (r->buffer, 0, r->buffer_len);
-
-    r->i_inc = r->o_rate / r->i_rate;
-    r->o_inc = r->i_rate / r->o_rate;
-    RESAMPLE_DEBUG ("i_inc %g o_inc %g", r->i_inc, r->o_inc);
-
-    r->i_start = -r->i_inc * r->filter_length;
-
-    if (r->ft) {
-      functable_free (r->ft);
-    }
-    r->ft = functable_new ();
-    functable_set_length (r->ft, r->filter_length * 16);
-    functable_set_offset (r->ft, -r->filter_length / 2);
-    functable_set_multiplier (r->ft, 1 / 16.0);
-
-    hanning_width = r->filter_length / 2;
-    functable_calculate (r->ft, func_sinc, NULL);
-    functable_calculate_multiply (r->ft, func_hanning, &hanning_width);
-
-    //functable_test(r->ft, 0.5 * r->filter_length);
-#if 0
-    if (r->i_inc < 1.0) {
-      r->sinc_scale = r->i_inc;
-      if (r->sinc_scale == 0.5) {
-        /* strange things happen at integer multiples */
-        r->sinc_scale = 1.0;
-      }
-    } else {
-      r->sinc_scale = 1.0;
-    }
-#else
-    r->sinc_scale = 1.0;
-#endif
-
-    r->need_reinit = 0;
-  }
-
-  while (r->o_size > 0) {
-    double midpoint;
-    int i;
-    int j;
-
-    RESAMPLE_DEBUG ("i_start %g", r->i_start);
-    midpoint = r->i_start + (r->filter_length - 1) * 0.5 * r->i_inc;
-    if (midpoint > 0.5 * r->i_inc) {
-      RESAMPLE_ERROR ("inconsistent state");
-    }
-    while (midpoint < -0.5 * r->i_inc) {
-      AudioresampleBuffer *buffer;
-
-      buffer = audioresample_buffer_queue_pull (r->queue, r->sample_size);
-      if (buffer == NULL) {
-        RESAMPLE_ERROR ("buffer_queue_pull returned NULL");
-        return;
-      }
-
-      r->i_start += r->i_inc;
-      RESAMPLE_DEBUG ("pulling (i_start = %g)", r->i_start);
-
-      midpoint += r->i_inc;
-      memmove (r->buffer, r->buffer + r->sample_size,
-          r->buffer_len - r->sample_size);
-
-      memcpy (r->buffer + r->buffer_len - r->sample_size, buffer->data,
-          r->sample_size);
-      audioresample_buffer_unref (buffer);
-    }
-
-    switch (r->format) {
-      case RESAMPLE_FORMAT_S16:
-        for (i = 0; i < r->n_channels; i++) {
-          double acc = 0;
-          double offset;
-          double x;
-
-          for (j = 0; j < r->filter_length; j++) {
-            offset = (r->i_start + j * r->i_inc) * r->o_inc;
-            x = *(int16_t *) (r->buffer + i * sizeof (int16_t) +
-                j * r->sample_size);
-            acc += functable_evaluate (r->ft, offset) * x;
-            //acc += resample_sinc_window (offset, r->filter_length * 0.5, r->sinc_scale) * x;
-          }
-          if (acc < -32768.0)
-            acc = -32768.0;
-          if (acc > 32767.0)
-            acc = 32767.0;
-
-          *(int16_t *) (r->o_buf + i * sizeof (int16_t)) = rint (acc);
-        }
-        break;
-      case RESAMPLE_FORMAT_S32:
-        for (i = 0; i < r->n_channels; i++) {
-          double acc = 0;
-          double offset;
-          double x;
-
-          for (j = 0; j < r->filter_length; j++) {
-            offset = (r->i_start + j * r->i_inc) * r->o_inc;
-            x = *(int32_t *) (r->buffer + i * sizeof (int32_t) +
-                j * r->sample_size);
-            acc += functable_evaluate (r->ft, offset) * x;
-            //acc += resample_sinc_window (offset, r->filter_length * 0.5, r->sinc_scale) * x;
-          }
-          if (acc < -2147483648.0)
-            acc = -2147483648.0;
-          if (acc > 2147483647.0)
-            acc = 2147483647.0;
-
-          *(int32_t *) (r->o_buf + i * sizeof (int32_t)) = rint (acc);
-        }
-        break;
-      case RESAMPLE_FORMAT_F32:
-        for (i = 0; i < r->n_channels; i++) {
-          double acc = 0;
-          double offset;
-          double x;
-
-          for (j = 0; j < r->filter_length; j++) {
-            offset = (r->i_start + j * r->i_inc) * r->o_inc;
-            x = *(float *) (r->buffer + i * sizeof (float) +
-                j * r->sample_size);
-            acc += functable_evaluate (r->ft, offset) * x;
-            //acc += resample_sinc_window (offset, r->filter_length * 0.5, r->sinc_scale) * x;
-          }
-
-          *(float *) (r->o_buf + i * sizeof (float)) = acc;
-        }
-        break;
-      case RESAMPLE_FORMAT_F64:
-        for (i = 0; i < r->n_channels; i++) {
-          double acc = 0;
-          double offset;
-          double x;
-
-          for (j = 0; j < r->filter_length; j++) {
-            offset = (r->i_start + j * r->i_inc) * r->o_inc;
-            x = *(double *) (r->buffer + i * sizeof (double) +
-                j * r->sample_size);
-            acc += functable_evaluate (r->ft, offset) * x;
-            //acc += resample_sinc_window (offset, r->filter_length * 0.5, r->sinc_scale) * x;
-          }
-
-          *(double *) (r->o_buf + i * sizeof (double)) = acc;
-        }
-        break;
-    }
-
-    r->i_start -= 1.0;
-    r->o_buf += r->sample_size;
-    r->o_size -= r->sample_size;
-  }
-
-}