Remove lpwsinc and bpwsinc elements - they've become audiowsinclimit and audiowsincband respectively, in the gst-plug...

Original commit message from CVS:
* docs/plugins/Makefile.am:
* docs/plugins/gst-plugins-bad-plugins-docs.sgml:
* docs/plugins/gst-plugins-bad-plugins-sections.txt:
* docs/plugins/gst-plugins-bad-plugins.args:
* docs/plugins/gst-plugins-bad-plugins.hierarchy:
* gst/filter/Makefile.am:
* gst/filter/filter.vcproj:
* gst/filter/gstbpwsinc.c:
* gst/filter/gstbpwsinc.h:
* gst/filter/gstfilter.c:
* gst/filter/gstfilter.h:
* gst/filter/gstlpwsinc.c:
* gst/filter/gstlpwsinc.h:
* tests/check/Makefile.am:
* tests/check/elements/bpwsinc.c:
* tests/check/elements/lpwsinc.c:
Remove lpwsinc and bpwsinc elements - they've become
audiowsinclimit and audiowsincband respectively, in the
gst-plugins-good audiofx plugin.

2 files changed, 0 insertions, 1694 deletions

diff --git a/tests/check/elements/bpwsinc.c b/tests/check/elements/bpwsinc.c
deleted file mode 100644
index 7d2e416e..00000000
--- a/tests/check/elements/bpwsinc.c
+++ /dev/null
@@ -1,998 +0,0 @@
-/* GStreamer
- *
- * Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org>
- *
- * bpwsinc.c: Unit test for the bpwsinc element
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) 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
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-
-#include <gst/gst.h>
-#include <gst/base/gstbasetransform.h>
-#include <gst/check/gstcheck.h>
-
-#include <math.h>
-
-/* For ease of programming we use globals to keep refs for our floating
- * src and sink pads we create; otherwise we always have to do get_pad,
- * get_peer, and then remove references in every test function */
-GstPad *mysrcpad, *mysinkpad;
-
-#define BPWSINC_CAPS_STRING_32          \
-    "audio/x-raw-float, "               \
-    "channels = (int) 1, "              \
-    "rate = (int) 44100, "              \
-    "endianness = (int) BYTE_ORDER, "   \
-    "width = (int) 32"                  \
-
-#define BPWSINC_CAPS_STRING_64          \
-    "audio/x-raw-float, "               \
-    "channels = (int) 1, "              \
-    "rate = (int) 44100, "              \
-    "endianness = (int) BYTE_ORDER, "   \
-    "width = (int) 64"                  \
-
-static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
-    GST_PAD_SINK,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("audio/x-raw-float, "
-        "channels = (int) 1, "
-        "rate = (int) 44100, "
-        "endianness = (int) BYTE_ORDER, " "width = (int) { 32, 64 } ")
-    );
-static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
-    GST_PAD_SRC,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("audio/x-raw-float, "
-        "channels = (int) 1, "
-        "rate = (int) 44100, "
-        "endianness = (int) BYTE_ORDER, " "width = (int) { 32, 64 } ")
-    );
-
-GstElement *
-setup_bpwsinc ()
-{
-  GstElement *bpwsinc;
-
-  GST_DEBUG ("setup_bpwsinc");
-  bpwsinc = gst_check_setup_element ("bpwsinc");
-  mysrcpad = gst_check_setup_src_pad (bpwsinc, &srctemplate, NULL);
-  mysinkpad = gst_check_setup_sink_pad (bpwsinc, &sinktemplate, NULL);
-  gst_pad_set_active (mysrcpad, TRUE);
-  gst_pad_set_active (mysinkpad, TRUE);
-
-  return bpwsinc;
-}
-
-void
-cleanup_bpwsinc (GstElement * bpwsinc)
-{
-  GST_DEBUG ("cleanup_bpwsinc");
-
-  g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
-  g_list_free (buffers);
-  buffers = NULL;
-
-  gst_pad_set_active (mysrcpad, FALSE);
-  gst_pad_set_active (mysinkpad, FALSE);
-  gst_check_teardown_src_pad (bpwsinc);
-  gst_check_teardown_sink_pad (bpwsinc);
-  gst_check_teardown_element (bpwsinc);
-}
-
-/* Test if data containing only one frequency component
- * at rate/2 is erased with bandpass mode and a 
- * 2000Hz frequency band around rate/4 */
-GST_START_TEST (test_32_bp_0hz)
-{
-  GstElement *bpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gfloat *in, *res, rms;
-  gint i;
-  GList *node;
-
-  bpwsinc = setup_bpwsinc ();
-  /* Set to bandpass */
-  g_object_set (G_OBJECT (bpwsinc), "mode", 0, NULL);
-  g_object_set (G_OBJECT (bpwsinc), "length", 31, NULL);
-
-  fail_unless (gst_element_set_state (bpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (bpwsinc), "lower-frequency", 44100 / 4.0 - 1000,
-      NULL);
-  g_object_set (G_OBJECT (bpwsinc), "upper-frequency", 44100 / 4.0 + 1000,
-      NULL);
-  inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gfloat));
-  in = (gfloat *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 1024; i++)
-    in[i] = 1.0;
-
-  caps = gst_caps_from_string (BPWSINC_CAPS_STRING_32);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gfloat *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gfloat);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms <= 0.1);
-  }
-
-  /* cleanup */
-  cleanup_bpwsinc (bpwsinc);
-}
-
-GST_END_TEST;
-
-/* Test if data containing only one frequency component
- * at the band center is preserved with bandreject mode
- * and a 2000Hz frequency band around rate/4 */
-GST_START_TEST (test_32_bp_11025hz)
-{
-  GstElement *bpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gfloat *in, *res, rms;
-  gint i;
-  GList *node;
-
-  bpwsinc = setup_bpwsinc ();
-  /* Set to bandpass */
-  g_object_set (G_OBJECT (bpwsinc), "mode", 0, NULL);
-  g_object_set (G_OBJECT (bpwsinc), "length", 31, NULL);
-
-  fail_unless (gst_element_set_state (bpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (bpwsinc), "lower-frequency", 44100 / 4.0 - 1000,
-      NULL);
-  g_object_set (G_OBJECT (bpwsinc), "upper-frequency", 44100 / 4.0 + 1000,
-      NULL);
-  inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gfloat));
-  in = (gfloat *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 1024; i += 4) {
-    in[i] = 0.0;
-    in[i + 1] = 1.0;
-    in[i + 2] = 0.0;
-    in[i + 3] = -1.0;
-  }
-
-  caps = gst_caps_from_string (BPWSINC_CAPS_STRING_32);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gfloat *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gfloat);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms >= 0.4);
-  }
-
-  /* cleanup */
-  cleanup_bpwsinc (bpwsinc);
-}
-
-GST_END_TEST;
-
-
-/* Test if data containing only one frequency component
- * at rate/2 is erased with bandreject mode and a 
- * 2000Hz frequency band around rate/4 */
-GST_START_TEST (test_32_bp_22050hz)
-{
-  GstElement *bpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gfloat *in, *res, rms;
-  gint i;
-  GList *node;
-
-  bpwsinc = setup_bpwsinc ();
-  /* Set to bandpass */
-  g_object_set (G_OBJECT (bpwsinc), "mode", 0, NULL);
-  g_object_set (G_OBJECT (bpwsinc), "length", 31, NULL);
-
-  fail_unless (gst_element_set_state (bpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (bpwsinc), "lower-frequency", 44100 / 4.0 - 1000,
-      NULL);
-  g_object_set (G_OBJECT (bpwsinc), "upper-frequency", 44100 / 4.0 + 1000,
-      NULL);
-  inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gfloat));
-  in = (gfloat *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 1024; i += 2) {
-    in[i] = 1.0;
-    in[i + 1] = -1.0;
-  }
-
-  caps = gst_caps_from_string (BPWSINC_CAPS_STRING_32);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gfloat *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gfloat);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms <= 0.3);
-  }
-
-  /* cleanup */
-  cleanup_bpwsinc (bpwsinc);
-}
-
-GST_END_TEST;
-
-/* Test if data containing only one frequency component
- * at rate/2 is preserved with bandreject mode and a 
- * 2000Hz frequency band around rate/4 */
-GST_START_TEST (test_32_br_0hz)
-{
-  GstElement *bpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gfloat *in, *res, rms;
-  gint i;
-  GList *node;
-
-  bpwsinc = setup_bpwsinc ();
-  /* Set to bandreject */
-  g_object_set (G_OBJECT (bpwsinc), "mode", 1, NULL);
-  g_object_set (G_OBJECT (bpwsinc), "length", 31, NULL);
-
-  fail_unless (gst_element_set_state (bpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (bpwsinc), "lower-frequency", 44100 / 4.0 - 1000,
-      NULL);
-  g_object_set (G_OBJECT (bpwsinc), "upper-frequency", 44100 / 4.0 + 1000,
-      NULL);
-  inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gfloat));
-  in = (gfloat *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 1024; i++)
-    in[i] = 1.0;
-
-  caps = gst_caps_from_string (BPWSINC_CAPS_STRING_32);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gfloat *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gfloat);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms >= 0.9);
-  }
-
-  /* cleanup */
-  cleanup_bpwsinc (bpwsinc);
-}
-
-GST_END_TEST;
-
-/* Test if data containing only one frequency component
- * at the band center is erased with bandreject mode
- * and a 2000Hz frequency band around rate/4 */
-GST_START_TEST (test_32_br_11025hz)
-{
-  GstElement *bpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gfloat *in, *res, rms;
-  gint i;
-  GList *node;
-
-  bpwsinc = setup_bpwsinc ();
-  /* Set to bandreject */
-  g_object_set (G_OBJECT (bpwsinc), "mode", 1, NULL);
-  g_object_set (G_OBJECT (bpwsinc), "length", 31, NULL);
-
-  fail_unless (gst_element_set_state (bpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (bpwsinc), "lower-frequency", 44100 / 4.0 - 1000,
-      NULL);
-  g_object_set (G_OBJECT (bpwsinc), "upper-frequency", 44100 / 4.0 + 1000,
-      NULL);
-  inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gfloat));
-  in = (gfloat *) GST_BUFFER_DATA (inbuffer);
-
-  for (i = 0; i < 1024; i += 4) {
-    in[i] = 0.0;
-    in[i + 1] = 1.0;
-    in[i + 2] = 0.0;
-    in[i + 3] = -1.0;
-  }
-
-  caps = gst_caps_from_string (BPWSINC_CAPS_STRING_32);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gfloat *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gfloat);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms <= 0.35);
-  }
-
-  /* cleanup */
-  cleanup_bpwsinc (bpwsinc);
-}
-
-GST_END_TEST;
-
-
-/* Test if data containing only one frequency component
- * at rate/2 is preserved with bandreject mode and a 
- * 2000Hz frequency band around rate/4 */
-GST_START_TEST (test_32_br_22050hz)
-{
-  GstElement *bpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gfloat *in, *res, rms;
-  gint i;
-  GList *node;
-
-  bpwsinc = setup_bpwsinc ();
-  /* Set to bandreject */
-  g_object_set (G_OBJECT (bpwsinc), "mode", 1, NULL);
-  g_object_set (G_OBJECT (bpwsinc), "length", 31, NULL);
-
-  fail_unless (gst_element_set_state (bpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (bpwsinc), "lower-frequency", 44100 / 4.0 - 1000,
-      NULL);
-  g_object_set (G_OBJECT (bpwsinc), "upper-frequency", 44100 / 4.0 + 1000,
-      NULL);
-  inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gfloat));
-  in = (gfloat *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 1024; i += 2) {
-    in[i] = 1.0;
-    in[i + 1] = -1.0;
-  }
-
-  caps = gst_caps_from_string (BPWSINC_CAPS_STRING_32);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gfloat *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gfloat);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms >= 0.9);
-  }
-
-  /* cleanup */
-  cleanup_bpwsinc (bpwsinc);
-}
-
-GST_END_TEST;
-
-/* Test if buffers smaller than the kernel size are handled
- * correctly without accessing wrong memory areas */
-GST_START_TEST (test_32_small_buffer)
-{
-  GstElement *bpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gfloat *in;
-  gfloat *res;
-  gint i;
-
-  bpwsinc = setup_bpwsinc ();
-  /* Set to bandpass */
-  g_object_set (G_OBJECT (bpwsinc), "mode", 0, NULL);
-  g_object_set (G_OBJECT (bpwsinc), "length", 101, NULL);
-
-  fail_unless (gst_element_set_state (bpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (bpwsinc), "lower-frequency",
-      44100 / 4.0 - 44100 / 16.0, NULL);
-  g_object_set (G_OBJECT (bpwsinc), "upper-frequency",
-      44100 / 4.0 + 44100 / 16.0, NULL);
-  inbuffer = gst_buffer_new_and_alloc (20 * sizeof (gfloat));
-  in = (gfloat *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 20; i++)
-    in[i] = 1.0;
-
-  caps = gst_caps_from_string (BPWSINC_CAPS_STRING_32);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  /* cleanup */
-  cleanup_bpwsinc (bpwsinc);
-}
-
-GST_END_TEST;
-
-
-
-
-
-
-
-
-
-/* Test if data containing only one frequency component
- * at rate/2 is erased with bandpass mode and a 
- * 2000Hz frequency band around rate/4 */
-GST_START_TEST (test_64_bp_0hz)
-{
-  GstElement *bpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gdouble *in, *res, rms;
-  gint i;
-  GList *node;
-
-  bpwsinc = setup_bpwsinc ();
-  /* Set to bandpass */
-  g_object_set (G_OBJECT (bpwsinc), "mode", 0, NULL);
-  g_object_set (G_OBJECT (bpwsinc), "length", 31, NULL);
-
-  fail_unless (gst_element_set_state (bpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (bpwsinc), "lower-frequency", 44100 / 4.0 - 1000,
-      NULL);
-  g_object_set (G_OBJECT (bpwsinc), "upper-frequency", 44100 / 4.0 + 1000,
-      NULL);
-  inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
-  in = (gdouble *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 1024; i++)
-    in[i] = 1.0;
-
-  caps = gst_caps_from_string (BPWSINC_CAPS_STRING_64);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gdouble *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gdouble);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms <= 0.1);
-  }
-
-  /* cleanup */
-  cleanup_bpwsinc (bpwsinc);
-}
-
-GST_END_TEST;
-
-/* Test if data containing only one frequency component
- * at the band center is preserved with bandreject mode
- * and a 2000Hz frequency band around rate/4 */
-GST_START_TEST (test_64_bp_11025hz)
-{
-  GstElement *bpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gdouble *in, *res, rms;
-  gint i;
-  GList *node;
-
-  bpwsinc = setup_bpwsinc ();
-  /* Set to bandpass */
-  g_object_set (G_OBJECT (bpwsinc), "mode", 0, NULL);
-  g_object_set (G_OBJECT (bpwsinc), "length", 31, NULL);
-
-  fail_unless (gst_element_set_state (bpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (bpwsinc), "lower-frequency", 44100 / 4.0 - 1000,
-      NULL);
-  g_object_set (G_OBJECT (bpwsinc), "upper-frequency", 44100 / 4.0 + 1000,
-      NULL);
-  inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
-  in = (gdouble *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 1024; i += 4) {
-    in[i] = 0.0;
-    in[i + 1] = 1.0;
-    in[i + 2] = 0.0;
-    in[i + 3] = -1.0;
-  }
-
-  caps = gst_caps_from_string (BPWSINC_CAPS_STRING_64);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gdouble *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gdouble);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms >= 0.4);
-  }
-
-  /* cleanup */
-  cleanup_bpwsinc (bpwsinc);
-}
-
-GST_END_TEST;
-
-
-/* Test if data containing only one frequency component
- * at rate/2 is erased with bandreject mode and a 
- * 2000Hz frequency band around rate/4 */
-GST_START_TEST (test_64_bp_22050hz)
-{
-  GstElement *bpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gdouble *in, *res, rms;
-  gint i;
-  GList *node;
-
-  bpwsinc = setup_bpwsinc ();
-  /* Set to bandpass */
-  g_object_set (G_OBJECT (bpwsinc), "mode", 0, NULL);
-  g_object_set (G_OBJECT (bpwsinc), "length", 31, NULL);
-
-  fail_unless (gst_element_set_state (bpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (bpwsinc), "lower-frequency", 44100 / 4.0 - 1000,
-      NULL);
-  g_object_set (G_OBJECT (bpwsinc), "upper-frequency", 44100 / 4.0 + 1000,
-      NULL);
-  inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
-  in = (gdouble *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 1024; i += 2) {
-    in[i] = 1.0;
-    in[i + 1] = -1.0;
-  }
-
-  caps = gst_caps_from_string (BPWSINC_CAPS_STRING_64);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gdouble *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gdouble);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms <= 0.3);
-  }
-
-  /* cleanup */
-  cleanup_bpwsinc (bpwsinc);
-}
-
-GST_END_TEST;
-
-/* Test if data containing only one frequency component
- * at rate/2 is preserved with bandreject mode and a 
- * 2000Hz frequency band around rate/4 */
-GST_START_TEST (test_64_br_0hz)
-{
-  GstElement *bpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gdouble *in, *res, rms;
-  gint i;
-  GList *node;
-
-  bpwsinc = setup_bpwsinc ();
-  /* Set to bandreject */
-  g_object_set (G_OBJECT (bpwsinc), "mode", 1, NULL);
-  g_object_set (G_OBJECT (bpwsinc), "length", 31, NULL);
-
-  fail_unless (gst_element_set_state (bpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (bpwsinc), "lower-frequency", 44100 / 4.0 - 1000,
-      NULL);
-  g_object_set (G_OBJECT (bpwsinc), "upper-frequency", 44100 / 4.0 + 1000,
-      NULL);
-  inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
-  in = (gdouble *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 1024; i++)
-    in[i] = 1.0;
-
-  caps = gst_caps_from_string (BPWSINC_CAPS_STRING_64);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gdouble *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gdouble);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms >= 0.9);
-  }
-
-  /* cleanup */
-  cleanup_bpwsinc (bpwsinc);
-}
-
-GST_END_TEST;
-
-/* Test if data containing only one frequency component
- * at the band center is erased with bandreject mode
- * and a 2000Hz frequency band around rate/4 */
-GST_START_TEST (test_64_br_11025hz)
-{
-  GstElement *bpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gdouble *in, *res, rms;
-  gint i;
-  GList *node;
-
-  bpwsinc = setup_bpwsinc ();
-  /* Set to bandreject */
-  g_object_set (G_OBJECT (bpwsinc), "mode", 1, NULL);
-  g_object_set (G_OBJECT (bpwsinc), "length", 31, NULL);
-
-  fail_unless (gst_element_set_state (bpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (bpwsinc), "lower-frequency", 44100 / 4.0 - 1000,
-      NULL);
-  g_object_set (G_OBJECT (bpwsinc), "upper-frequency", 44100 / 4.0 + 1000,
-      NULL);
-  inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
-  in = (gdouble *) GST_BUFFER_DATA (inbuffer);
-
-  for (i = 0; i < 1024; i += 4) {
-    in[i] = 0.0;
-    in[i + 1] = 1.0;
-    in[i + 2] = 0.0;
-    in[i + 3] = -1.0;
-  }
-
-  caps = gst_caps_from_string (BPWSINC_CAPS_STRING_64);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gdouble *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gdouble);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms <= 0.35);
-  }
-
-  /* cleanup */
-  cleanup_bpwsinc (bpwsinc);
-}
-
-GST_END_TEST;
-
-
-/* Test if data containing only one frequency component
- * at rate/2 is preserved with bandreject mode and a 
- * 2000Hz frequency band around rate/4 */
-GST_START_TEST (test_64_br_22050hz)
-{
-  GstElement *bpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gdouble *in, *res, rms;
-  gint i;
-  GList *node;
-
-  bpwsinc = setup_bpwsinc ();
-  /* Set to bandreject */
-  g_object_set (G_OBJECT (bpwsinc), "mode", 1, NULL);
-  g_object_set (G_OBJECT (bpwsinc), "length", 31, NULL);
-
-  fail_unless (gst_element_set_state (bpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (bpwsinc), "lower-frequency", 44100 / 4.0 - 1000,
-      NULL);
-  g_object_set (G_OBJECT (bpwsinc), "upper-frequency", 44100 / 4.0 + 1000,
-      NULL);
-  inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
-  in = (gdouble *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 1024; i += 2) {
-    in[i] = 1.0;
-    in[i + 1] = -1.0;
-  }
-
-  caps = gst_caps_from_string (BPWSINC_CAPS_STRING_64);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gdouble *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gdouble);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms >= 0.9);
-  }
-
-  /* cleanup */
-  cleanup_bpwsinc (bpwsinc);
-}
-
-GST_END_TEST;
-
-/* Test if buffers smaller than the kernel size are handled
- * correctly without accessing wrong memory areas */
-GST_START_TEST (test_64_small_buffer)
-{
-  GstElement *bpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gdouble *in;
-  gdouble *res;
-  gint i;
-
-  bpwsinc = setup_bpwsinc ();
-  /* Set to bandpass */
-  g_object_set (G_OBJECT (bpwsinc), "mode", 0, NULL);
-  g_object_set (G_OBJECT (bpwsinc), "length", 101, NULL);
-
-  fail_unless (gst_element_set_state (bpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (bpwsinc), "lower-frequency",
-      44100 / 4.0 - 44100 / 16.0, NULL);
-  g_object_set (G_OBJECT (bpwsinc), "upper-frequency",
-      44100 / 4.0 + 44100 / 16.0, NULL);
-  inbuffer = gst_buffer_new_and_alloc (20 * sizeof (gdouble));
-  in = (gdouble *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 20; i++)
-    in[i] = 1.0;
-
-  caps = gst_caps_from_string (BPWSINC_CAPS_STRING_64);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  /* cleanup */
-  cleanup_bpwsinc (bpwsinc);
-}
-
-GST_END_TEST;
-
-Suite *
-bpwsinc_suite (void)
-{
-  Suite *s = suite_create ("bpwsinc");
-  TCase *tc_chain = tcase_create ("general");
-
-  suite_add_tcase (s, tc_chain);
-  tcase_add_test (tc_chain, test_32_bp_0hz);
-  tcase_add_test (tc_chain, test_32_bp_11025hz);
-  tcase_add_test (tc_chain, test_32_bp_22050hz);
-  tcase_add_test (tc_chain, test_32_br_0hz);
-  tcase_add_test (tc_chain, test_32_br_11025hz);
-  tcase_add_test (tc_chain, test_32_br_22050hz);
-  tcase_add_test (tc_chain, test_32_small_buffer);
-  tcase_add_test (tc_chain, test_64_bp_0hz);
-  tcase_add_test (tc_chain, test_64_bp_11025hz);
-  tcase_add_test (tc_chain, test_64_bp_22050hz);
-  tcase_add_test (tc_chain, test_64_br_0hz);
-  tcase_add_test (tc_chain, test_64_br_11025hz);
-  tcase_add_test (tc_chain, test_64_br_22050hz);
-  tcase_add_test (tc_chain, test_64_small_buffer);
-
-  return s;
-}
-
-int
-main (int argc, char **argv)
-{
-  int nf;
-
-  Suite *s = bpwsinc_suite ();
-  SRunner *sr = srunner_create (s);
-
-  gst_check_init (&argc, &argv);
-
-  srunner_run_all (sr, CK_NORMAL);
-  nf = srunner_ntests_failed (sr);
-  srunner_free (sr);
-
-  return nf;
-}
diff --git a/tests/check/elements/lpwsinc.c b/tests/check/elements/lpwsinc.c
deleted file mode 100644
index 934a29db..00000000
--- a/tests/check/elements/lpwsinc.c
+++ /dev/null
@@ -1,696 +0,0 @@
-/* GStreamer
- *
- * Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org>
- *
- * lpwsinc.c: Unit test for the lpwsinc element
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) 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
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301 USA
- */
-
-#include <gst/gst.h>
-#include <gst/base/gstbasetransform.h>
-#include <gst/check/gstcheck.h>
-
-#include <math.h>
-
-/* For ease of programming we use globals to keep refs for our floating
- * src and sink pads we create; otherwise we always have to do get_pad,
- * get_peer, and then remove references in every test function */
-GstPad *mysrcpad, *mysinkpad;
-
-#define LPWSINC_CAPS_STRING_32           \
-    "audio/x-raw-float, "               \
-    "channels = (int) 1, "              \
-    "rate = (int) 44100, "              \
-    "endianness = (int) BYTE_ORDER, "   \
-    "width = (int) 32"                  \
-
-#define LPWSINC_CAPS_STRING_64           \
-    "audio/x-raw-float, "               \
-    "channels = (int) 1, "              \
-    "rate = (int) 44100, "              \
-    "endianness = (int) BYTE_ORDER, "   \
-    "width = (int) 64"                  \
-
-static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
-    GST_PAD_SINK,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("audio/x-raw-float, "
-        "channels = (int) 1, "
-        "rate = (int) 44100, "
-        "endianness = (int) BYTE_ORDER, " "width = (int) { 32, 64 } ")
-    );
-static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
-    GST_PAD_SRC,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("audio/x-raw-float, "
-        "channels = (int) 1, "
-        "rate = (int) 44100, "
-        "endianness = (int) BYTE_ORDER, " "width = (int) { 32, 64 } ")
-    );
-
-GstElement *
-setup_lpwsinc ()
-{
-  GstElement *lpwsinc;
-
-  GST_DEBUG ("setup_lpwsinc");
-  lpwsinc = gst_check_setup_element ("lpwsinc");
-  mysrcpad = gst_check_setup_src_pad (lpwsinc, &srctemplate, NULL);
-  mysinkpad = gst_check_setup_sink_pad (lpwsinc, &sinktemplate, NULL);
-  gst_pad_set_active (mysrcpad, TRUE);
-  gst_pad_set_active (mysinkpad, TRUE);
-
-  return lpwsinc;
-}
-
-void
-cleanup_lpwsinc (GstElement * lpwsinc)
-{
-  GST_DEBUG ("cleanup_lpwsinc");
-
-  g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
-  g_list_free (buffers);
-  buffers = NULL;
-
-  gst_pad_set_active (mysrcpad, FALSE);
-  gst_pad_set_active (mysinkpad, FALSE);
-  gst_check_teardown_src_pad (lpwsinc);
-  gst_check_teardown_sink_pad (lpwsinc);
-  gst_check_teardown_element (lpwsinc);
-}
-
-/* Test if data containing only one frequency component
- * at 0 is preserved with lowpass mode and a cutoff
- * at rate/4 */
-GST_START_TEST (test_32_lp_0hz)
-{
-  GstElement *lpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gfloat *in, *res, rms;
-  gint i;
-  GList *node;
-
-  lpwsinc = setup_lpwsinc ();
-  /* Set to lowpass */
-  g_object_set (G_OBJECT (lpwsinc), "mode", 0, NULL);
-  g_object_set (G_OBJECT (lpwsinc), "length", 21, NULL);
-
-  fail_unless (gst_element_set_state (lpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  /* cutoff = sampling rate / 4, data = 0 */
-  g_object_set (G_OBJECT (lpwsinc), "cutoff", 44100 / 4.0, NULL);
-  inbuffer = gst_buffer_new_and_alloc (128 * sizeof (gfloat));
-  in = (gfloat *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 128; i++)
-    in[i] = 1.0;
-
-  caps = gst_caps_from_string (LPWSINC_CAPS_STRING_32);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gfloat *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gfloat);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms >= 0.9);
-  }
-
-  /* cleanup */
-  cleanup_lpwsinc (lpwsinc);
-}
-
-GST_END_TEST;
-
-/* Test if data containing only one frequency component
- * at rate/2 is erased with lowpass mode and a cutoff
- * at rate/4 */
-GST_START_TEST (test_32_lp_22050hz)
-{
-  GstElement *lpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gfloat *in, *res, rms;
-  gint i;
-  GList *node;
-
-  lpwsinc = setup_lpwsinc ();
-  /* Set to lowpass */
-  g_object_set (G_OBJECT (lpwsinc), "mode", 0, NULL);
-  g_object_set (G_OBJECT (lpwsinc), "length", 21, NULL);
-
-  fail_unless (gst_element_set_state (lpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (lpwsinc), "cutoff", 44100 / 4.0, NULL);
-  inbuffer = gst_buffer_new_and_alloc (128 * sizeof (gfloat));
-  in = (gfloat *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 128; i += 2) {
-    in[i] = 1.0;
-    in[i + 1] = -1.0;
-  }
-
-  caps = gst_caps_from_string (LPWSINC_CAPS_STRING_32);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gfloat *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gfloat);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms <= 0.1);
-  }
-
-  /* cleanup */
-  cleanup_lpwsinc (lpwsinc);
-}
-
-GST_END_TEST;
-
-/* Test if data containing only one frequency component
- * at 0 is erased with highpass mode and a cutoff
- * at rate/4 */
-GST_START_TEST (test_32_hp_0hz)
-{
-  GstElement *lpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gfloat *in, *res, rms;
-  gint i;
-  GList *node;
-
-  lpwsinc = setup_lpwsinc ();
-  /* Set to highpass */
-  g_object_set (G_OBJECT (lpwsinc), "mode", 1, NULL);
-  g_object_set (G_OBJECT (lpwsinc), "length", 21, NULL);
-
-  fail_unless (gst_element_set_state (lpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (lpwsinc), "cutoff", 44100 / 4.0, NULL);
-  inbuffer = gst_buffer_new_and_alloc (128 * sizeof (gfloat));
-  in = (gfloat *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 128; i++)
-    in[i] = 1.0;
-
-  caps = gst_caps_from_string (LPWSINC_CAPS_STRING_32);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gfloat *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gfloat);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms <= 0.1);
-  }
-
-  /* cleanup */
-  cleanup_lpwsinc (lpwsinc);
-}
-
-GST_END_TEST;
-
-/* Test if data containing only one frequency component
- * at rate/2 is preserved with highpass mode and a cutoff
- * at rate/4 */
-GST_START_TEST (test_32_hp_22050hz)
-{
-  GstElement *lpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gfloat *in, *res, rms;
-  gint i;
-  GList *node;
-
-  lpwsinc = setup_lpwsinc ();
-  /* Set to highpass */
-  g_object_set (G_OBJECT (lpwsinc), "mode", 1, NULL);
-  g_object_set (G_OBJECT (lpwsinc), "length", 21, NULL);
-
-  fail_unless (gst_element_set_state (lpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (lpwsinc), "cutoff", 44100 / 4.0, NULL);
-  inbuffer = gst_buffer_new_and_alloc (128 * sizeof (gfloat));
-  in = (gfloat *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 128; i += 2) {
-    in[i] = 1.0;
-    in[i + 1] = -1.0;
-  }
-
-  caps = gst_caps_from_string (LPWSINC_CAPS_STRING_32);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-  fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gfloat *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gfloat);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms >= 0.9);
-  }
-
-  /* cleanup */
-  cleanup_lpwsinc (lpwsinc);
-}
-
-GST_END_TEST;
-
-/* Test if buffers smaller than the kernel size are handled
- * correctly without accessing wrong memory areas */
-GST_START_TEST (test_32_small_buffer)
-{
-  GstElement *lpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gfloat *in;
-  gfloat *res;
-  gint i;
-
-  lpwsinc = setup_lpwsinc ();
-  /* Set to lowpass */
-  g_object_set (G_OBJECT (lpwsinc), "mode", 0, NULL);
-  g_object_set (G_OBJECT (lpwsinc), "length", 101, NULL);
-
-  fail_unless (gst_element_set_state (lpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (lpwsinc), "cutoff", 44100 / 4.0, NULL);
-  inbuffer = gst_buffer_new_and_alloc (20 * sizeof (gfloat));
-  in = (gfloat *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 20; i++)
-    in[i] = 1.0;
-
-  caps = gst_caps_from_string (LPWSINC_CAPS_STRING_32);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-  fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
-
-  /* cleanup */
-  cleanup_lpwsinc (lpwsinc);
-}
-
-GST_END_TEST;
-
-/* Test if data containing only one frequency component
- * at 0 is preserved with lowpass mode and a cutoff
- * at rate/4 */
-GST_START_TEST (test_64_lp_0hz)
-{
-  GstElement *lpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gdouble *in, *res, rms;
-  gint i;
-  GList *node;
-
-  lpwsinc = setup_lpwsinc ();
-  /* Set to lowpass */
-  g_object_set (G_OBJECT (lpwsinc), "mode", 0, NULL);
-  g_object_set (G_OBJECT (lpwsinc), "length", 21, NULL);
-
-  fail_unless (gst_element_set_state (lpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  /* cutoff = sampling rate / 4, data = 0 */
-  g_object_set (G_OBJECT (lpwsinc), "cutoff", 44100 / 4.0, NULL);
-  inbuffer = gst_buffer_new_and_alloc (128 * sizeof (gdouble));
-  in = (gdouble *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 128; i++)
-    in[i] = 1.0;
-
-  caps = gst_caps_from_string (LPWSINC_CAPS_STRING_64);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gdouble *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gdouble);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms >= 0.9);
-  }
-
-  /* cleanup */
-  cleanup_lpwsinc (lpwsinc);
-}
-
-GST_END_TEST;
-
-/* Test if data containing only one frequency component
- * at rate/2 is erased with lowpass mode and a cutoff
- * at rate/4 */
-GST_START_TEST (test_64_lp_22050hz)
-{
-  GstElement *lpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gdouble *in, *res, rms;
-  gint i;
-  GList *node;
-
-  lpwsinc = setup_lpwsinc ();
-  /* Set to lowpass */
-  g_object_set (G_OBJECT (lpwsinc), "mode", 0, NULL);
-  g_object_set (G_OBJECT (lpwsinc), "length", 21, NULL);
-
-  fail_unless (gst_element_set_state (lpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (lpwsinc), "cutoff", 44100 / 4.0, NULL);
-  inbuffer = gst_buffer_new_and_alloc (128 * sizeof (gdouble));
-  in = (gdouble *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 128; i += 2) {
-    in[i] = 1.0;
-    in[i + 1] = -1.0;
-  }
-
-  caps = gst_caps_from_string (LPWSINC_CAPS_STRING_64);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gdouble *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gdouble);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms <= 0.1);
-  }
-
-  /* cleanup */
-  cleanup_lpwsinc (lpwsinc);
-}
-
-GST_END_TEST;
-
-/* Test if data containing only one frequency component
- * at 0 is erased with highpass mode and a cutoff
- * at rate/4 */
-GST_START_TEST (test_64_hp_0hz)
-{
-  GstElement *lpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gdouble *in, *res, rms;
-  gint i;
-  GList *node;
-
-  lpwsinc = setup_lpwsinc ();
-  /* Set to highpass */
-  g_object_set (G_OBJECT (lpwsinc), "mode", 1, NULL);
-  g_object_set (G_OBJECT (lpwsinc), "length", 21, NULL);
-
-  fail_unless (gst_element_set_state (lpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (lpwsinc), "cutoff", 44100 / 4.0, NULL);
-  inbuffer = gst_buffer_new_and_alloc (128 * sizeof (gdouble));
-  in = (gdouble *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 128; i++)
-    in[i] = 1.0;
-
-  caps = gst_caps_from_string (LPWSINC_CAPS_STRING_64);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gdouble *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gdouble);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms <= 0.1);
-  }
-
-  /* cleanup */
-  cleanup_lpwsinc (lpwsinc);
-}
-
-GST_END_TEST;
-
-/* Test if data containing only one frequency component
- * at rate/2 is preserved with highpass mode and a cutoff
- * at rate/4 */
-GST_START_TEST (test_64_hp_22050hz)
-{
-  GstElement *lpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gdouble *in, *res, rms;
-  gint i;
-  GList *node;
-
-  lpwsinc = setup_lpwsinc ();
-  /* Set to highpass */
-  g_object_set (G_OBJECT (lpwsinc), "mode", 1, NULL);
-  g_object_set (G_OBJECT (lpwsinc), "length", 21, NULL);
-
-  fail_unless (gst_element_set_state (lpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (lpwsinc), "cutoff", 44100 / 4.0, NULL);
-  inbuffer = gst_buffer_new_and_alloc (128 * sizeof (gdouble));
-  in = (gdouble *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 128; i += 2) {
-    in[i] = 1.0;
-    in[i + 1] = -1.0;
-  }
-
-  caps = gst_caps_from_string (LPWSINC_CAPS_STRING_64);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-  fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
-
-  for (node = buffers; node; node = node->next) {
-    gint buffer_length;
-
-    fail_if ((outbuffer = (GstBuffer *) node->data) == NULL);
-
-    res = (gdouble *) GST_BUFFER_DATA (outbuffer);
-    buffer_length = GST_BUFFER_SIZE (outbuffer) / sizeof (gdouble);
-    rms = 0.0;
-    for (i = 0; i < buffer_length; i++)
-      rms += res[i] * res[i];
-    rms = sqrt (rms / buffer_length);
-    fail_unless (rms >= 0.9);
-  }
-
-  /* cleanup */
-  cleanup_lpwsinc (lpwsinc);
-}
-
-GST_END_TEST;
-
-/* Test if buffers smaller than the kernel size are handled
- * correctly without accessing wrong memory areas */
-GST_START_TEST (test_64_small_buffer)
-{
-  GstElement *lpwsinc;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  gdouble *in;
-  gdouble *res;
-  gint i;
-
-  lpwsinc = setup_lpwsinc ();
-  /* Set to lowpass */
-  g_object_set (G_OBJECT (lpwsinc), "mode", 0, NULL);
-  g_object_set (G_OBJECT (lpwsinc), "length", 101, NULL);
-
-  fail_unless (gst_element_set_state (lpwsinc,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  g_object_set (G_OBJECT (lpwsinc), "cutoff", 44100 / 4.0, NULL);
-  inbuffer = gst_buffer_new_and_alloc (20 * sizeof (gdouble));
-  in = (gdouble *) GST_BUFFER_DATA (inbuffer);
-  for (i = 0; i < 20; i++)
-    in[i] = 1.0;
-
-  caps = gst_caps_from_string (LPWSINC_CAPS_STRING_64);
-  gst_buffer_set_caps (inbuffer, caps);
-  gst_caps_unref (caps);
-  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-  fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
-  /* ... and puts a new buffer on the global list */
-  fail_unless (g_list_length (buffers) >= 1);
-  fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
-
-  /* cleanup */
-  cleanup_lpwsinc (lpwsinc);
-}
-
-GST_END_TEST;
-
-Suite *
-lpwsinc_suite (void)
-{
-  Suite *s = suite_create ("lpwsinc");
-  TCase *tc_chain = tcase_create ("general");
-
-  suite_add_tcase (s, tc_chain);
-  tcase_add_test (tc_chain, test_32_lp_0hz);
-  tcase_add_test (tc_chain, test_32_lp_22050hz);
-  tcase_add_test (tc_chain, test_32_hp_0hz);
-  tcase_add_test (tc_chain, test_32_hp_22050hz);
-  tcase_add_test (tc_chain, test_32_small_buffer);
-  tcase_add_test (tc_chain, test_64_lp_0hz);
-  tcase_add_test (tc_chain, test_64_lp_22050hz);
-  tcase_add_test (tc_chain, test_64_hp_0hz);
-  tcase_add_test (tc_chain, test_64_hp_22050hz);
-  tcase_add_test (tc_chain, test_64_small_buffer);
-
-  return s;
-}
-
-int
-main (int argc, char **argv)
-{
-  int nf;
-
-  Suite *s = lpwsinc_suite ();
-  SRunner *sr = srunner_create (s);
-
-  gst_check_init (&argc, &argv);
-
-  srunner_run_all (sr, CK_NORMAL);
-  nf = srunner_ntests_failed (sr);
-  srunner_free (sr);
-
-  return nf;
-}