/* GStreamer
*
* Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org>
*
* audiowsincband.c: Unit test for the audiowsincband 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/audio/audio.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 AUDIO_WSINC_BAND_CAPS_STRING_32 \
"audio/x-raw, " \
"format = (string) " GST_AUDIO_NE (F32) ", " \
"layout = (string) interleaved, " \
"channels = (int) 1, " \
"rate = (int) 44100"
#define AUDIO_WSINC_BAND_CAPS_STRING_64 \
"audio/x-raw, " \
"format = (string) " GST_AUDIO_NE (F64) ", " \
"layout = (string) interleaved, " \
"channels = (int) 1, " \
"rate = (int) 44100"
#define FORMATS "{ "GST_AUDIO_NE (F32)","GST_AUDIO_NE (F64)" }"
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw, "
"format = (string) " FORMATS ", "
"layout = (string) interleaved, "
"channels = (int) 1, " "rate = (int) 44100")
);
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw, "
"format = (string) " FORMATS ", "
"layout = (string) interleaved, "
"channels = (int) 1, " "rate = (int) 44100")
);
static GstElement *
setup_audiowsincband (void)
{
GstElement *audiowsincband;
GST_DEBUG ("setup_audiowsincband");
audiowsincband = gst_check_setup_element ("audiowsincband");
mysrcpad = gst_check_setup_src_pad (audiowsincband, &srctemplate);
mysinkpad = gst_check_setup_sink_pad (audiowsincband, &sinktemplate);
gst_pad_set_active (mysrcpad, TRUE);
gst_pad_set_active (mysinkpad, TRUE);
return audiowsincband;
}
static void
cleanup_audiowsincband (GstElement * audiowsincband)
{
GST_DEBUG ("cleanup_audiowsincband");
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 (audiowsincband);
gst_check_teardown_sink_pad (audiowsincband);
gst_check_teardown_element (audiowsincband);
}
/* 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 *audiowsincband;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gfloat *in, *res, rms;
gint i;
GstMapInfo map;
GList *node;
GstSegment segment;
audiowsincband = setup_audiowsincband ();
/* Set to bandpass */
g_object_set (G_OBJECT (audiowsincband), "mode", 0, NULL);
g_object_set (G_OBJECT (audiowsincband), "length", 31, NULL);
fail_unless (gst_element_set_state (audiowsincband,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
g_object_set (G_OBJECT (audiowsincband), "lower-frequency",
44100 / 4.0 - 1000, NULL);
g_object_set (G_OBJECT (audiowsincband), "upper-frequency",
44100 / 4.0 + 1000, NULL);
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gfloat));
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
in = (gfloat *) map.data;
for (i = 0; i < 1024; i++)
in[i] = 1.0;
gst_buffer_unmap (inbuffer, &map);
caps = gst_caps_from_string (AUDIO_WSINC_BAND_CAPS_STRING_32);
gst_check_setup_events (mysrcpad, audiowsincband, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* ensure segment (format) properly setup */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* 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);
gst_buffer_map (outbuffer, &map, GST_MAP_READ);
res = (gfloat *) map.data;
buffer_length = map.size / 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);
gst_buffer_unmap (outbuffer, &map);
}
/* cleanup */
cleanup_audiowsincband (audiowsincband);
}
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 *audiowsincband;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gfloat *in, *res, rms;
gint i;
GstMapInfo map;
GList *node;
GstSegment segment;
audiowsincband = setup_audiowsincband ();
/* Set to bandpass */
g_object_set (G_OBJECT (audiowsincband), "mode", 0, NULL);
g_object_set (G_OBJECT (audiowsincband), "length", 31, NULL);
fail_unless (gst_element_set_state (audiowsincband,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
g_object_set (G_OBJECT (audiowsincband), "lower-frequency",
44100 / 4.0 - 1000, NULL);
g_object_set (G_OBJECT (audiowsincband), "upper-frequency",
44100 / 4.0 + 1000, NULL);
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gfloat));
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
in = (gfloat *) map.data;
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;
}
gst_buffer_unmap (inbuffer, &map);
caps = gst_caps_from_string (AUDIO_WSINC_BAND_CAPS_STRING_32);
gst_check_setup_events (mysrcpad, audiowsincband, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* ensure segment (format) properly setup */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* 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);
gst_buffer_map (outbuffer, &map, GST_MAP_READ);
res = (gfloat *) map.data;
buffer_length = map.size / 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);
gst_buffer_unmap (outbuffer, &map);
}
/* cleanup */
cleanup_audiowsincband (audiowsincband);
}
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 *audiowsincband;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gfloat *in, *res, rms;
gint i;
GstMapInfo map;
GList *node;
GstSegment segment;
audiowsincband = setup_audiowsincband ();
/* Set to bandpass */
g_object_set (G_OBJECT (audiowsincband), "mode", 0, NULL);
g_object_set (G_OBJECT (audiowsincband), "length", 31, NULL);
fail_unless (gst_element_set_state (audiowsincband,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
g_object_set (G_OBJECT (audiowsincband), "lower-frequency",
44100 / 4.0 - 1000, NULL);
g_object_set (G_OBJECT (audiowsincband), "upper-frequency",
44100 / 4.0 + 1000, NULL);
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gfloat));
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
in = (gfloat *) map.data;
for (i = 0; i < 1024; i += 2) {
in[i] = 1.0;
in[i + 1] = -1.0;
}
gst_buffer_unmap (inbuffer, &map);
caps = gst_caps_from_string (AUDIO_WSINC_BAND_CAPS_STRING_32);
gst_check_setup_events (mysrcpad, audiowsincband, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* ensure segment (format) properly setup */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* 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);
gst_buffer_map (outbuffer, &map, GST_MAP_READ);
res = (gfloat *) map.data;
buffer_length = map.size / 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);
gst_buffer_unmap (outbuffer, &map);
}
/* cleanup */
cleanup_audiowsincband (audiowsincband);
}
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 *audiowsincband;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gfloat *in, *res, rms;
gint i;
GstMapInfo map;
GList *node;
GstSegment segment;
audiowsincband = setup_audiowsincband ();
/* Set to bandreject */
g_object_set (G_OBJECT (audiowsincband), "mode", 1, NULL);
g_object_set (G_OBJECT (audiowsincband), "length", 31, NULL);
fail_unless (gst_element_set_state (audiowsincband,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
g_object_set (G_OBJECT (audiowsincband), "lower-frequency",
44100 / 4.0 - 1000, NULL);
g_object_set (G_OBJECT (audiowsincband), "upper-frequency",
44100 / 4.0 + 1000, NULL);
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gfloat));
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
in = (gfloat *) map.data;
for (i = 0; i < 1024; i++)
in[i] = 1.0;
gst_buffer_unmap (inbuffer, &map);
caps = gst_caps_from_string (AUDIO_WSINC_BAND_CAPS_STRING_32);
gst_check_setup_events (mysrcpad, audiowsincband, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* ensure segment (format) properly setup */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* 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);
gst_buffer_map (outbuffer, &map, GST_MAP_READ);
res = (gfloat *) map.data;
buffer_length = map.size / 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);
gst_buffer_unmap (outbuffer, &map);
}
/* cleanup */
cleanup_audiowsincband (audiowsincband);
}
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 *audiowsincband;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gfloat *in, *res, rms;
gint i;
GstMapInfo map;
GList *node;
GstSegment segment;
audiowsincband = setup_audiowsincband ();
/* Set to bandreject */
g_object_set (G_OBJECT (audiowsincband), "mode", 1, NULL);
g_object_set (G_OBJECT (audiowsincband), "length", 31, NULL);
fail_unless (gst_element_set_state (audiowsincband,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
g_object_set (G_OBJECT (audiowsincband), "lower-frequency",
44100 / 4.0 - 1000, NULL);
g_object_set (G_OBJECT (audiowsincband), "upper-frequency",
44100 / 4.0 + 1000, NULL);
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gfloat));
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
in = (gfloat *) map.data;
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;
}
gst_buffer_unmap (inbuffer, &map);
caps = gst_caps_from_string (AUDIO_WSINC_BAND_CAPS_STRING_32);
gst_check_setup_events (mysrcpad, audiowsincband, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* ensure segment (format) properly setup */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* 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);
gst_buffer_map (outbuffer, &map, GST_MAP_READ);
res = (gfloat *) map.data;
buffer_length = map.size / 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);
gst_buffer_unmap (outbuffer, &map);
}
/* cleanup */
cleanup_audiowsincband (audiowsincband);
}
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 *audiowsincband;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gfloat *in, *res, rms;
gint i;
GstMapInfo map;
GList *node;
GstSegment segment;
audiowsincband = setup_audiowsincband ();
/* Set to bandreject */
g_object_set (G_OBJECT (audiowsincband), "mode", 1, NULL);
g_object_set (G_OBJECT (audiowsincband), "length", 31, NULL);
fail_unless (gst_element_set_state (audiowsincband,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
g_object_set (G_OBJECT (audiowsincband), "lower-frequency",
44100 / 4.0 - 1000, NULL);
g_object_set (G_OBJECT (audiowsincband), "upper-frequency",
44100 / 4.0 + 1000, NULL);
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gfloat));
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
in = (gfloat *) map.data;
for (i = 0; i < 1024; i += 2) {
in[i] = 1.0;
in[i + 1] = -1.0;
}
gst_buffer_unmap (inbuffer, &map);
caps = gst_caps_from_string (AUDIO_WSINC_BAND_CAPS_STRING_32);
gst_check_setup_events (mysrcpad, audiowsincband, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* ensure segment (format) properly setup */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* 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);
gst_buffer_map (outbuffer, &map, GST_MAP_READ);
res = (gfloat *) map.data;
buffer_length = map.size / 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);
gst_buffer_unmap (outbuffer, &map);
}
/* cleanup */
cleanup_audiowsincband (audiowsincband);
}
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 *audiowsincband;
GstBuffer *inbuffer;
GstCaps *caps;
gfloat *in;
gint i;
GstMapInfo map;
GstSegment segment;
audiowsincband = setup_audiowsincband ();
/* Set to bandpass */
g_object_set (G_OBJECT (audiowsincband), "mode", 0, NULL);
g_object_set (G_OBJECT (audiowsincband), "length", 101, NULL);
fail_unless (gst_element_set_state (audiowsincband,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
g_object_set (G_OBJECT (audiowsincband), "lower-frequency",
44100 / 4.0 - 44100 / 16.0, NULL);
g_object_set (G_OBJECT (audiowsincband), "upper-frequency",
44100 / 4.0 + 44100 / 16.0, NULL);
inbuffer = gst_buffer_new_and_alloc (20 * sizeof (gfloat));
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
in = (gfloat *) map.data;
for (i = 0; i < 20; i++)
in[i] = 1.0;
gst_buffer_unmap (inbuffer, &map);
caps = gst_caps_from_string (AUDIO_WSINC_BAND_CAPS_STRING_32);
gst_check_setup_events (mysrcpad, audiowsincband, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* ensure segment (format) properly setup */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* 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_audiowsincband (audiowsincband);
}
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 *audiowsincband;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gdouble *in, *res, rms;
gint i;
GstMapInfo map;
GList *node;
GstSegment segment;
audiowsincband = setup_audiowsincband ();
/* Set to bandpass */
g_object_set (G_OBJECT (audiowsincband), "mode", 0, NULL);
g_object_set (G_OBJECT (audiowsincband), "length", 31, NULL);
fail_unless (gst_element_set_state (audiowsincband,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
g_object_set (G_OBJECT (audiowsincband), "lower-frequency",
44100 / 4.0 - 1000, NULL);
g_object_set (G_OBJECT (audiowsincband), "upper-frequency",
44100 / 4.0 + 1000, NULL);
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
in = (gdouble *) map.data;
for (i = 0; i < 1024; i++)
in[i] = 1.0;
gst_buffer_unmap (inbuffer, &map);
caps = gst_caps_from_string (AUDIO_WSINC_BAND_CAPS_STRING_64);
gst_check_setup_events (mysrcpad, audiowsincband, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* ensure segment (format) properly setup */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* 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);
gst_buffer_map (outbuffer, &map, GST_MAP_READ);
res = (gdouble *) map.data;
buffer_length = map.size / 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);
gst_buffer_unmap (outbuffer, &map);
}
/* cleanup */
cleanup_audiowsincband (audiowsincband);
}
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 *audiowsincband;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gdouble *in, *res, rms;
gint i;
GstMapInfo map;
GList *node;
GstSegment segment;
audiowsincband = setup_audiowsincband ();
/* Set to bandpass */
g_object_set (G_OBJECT (audiowsincband), "mode", 0, NULL);
g_object_set (G_OBJECT (audiowsincband), "length", 31, NULL);
fail_unless (gst_element_set_state (audiowsincband,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
g_object_set (G_OBJECT (audiowsincband), "lower-frequency",
44100 / 4.0 - 1000, NULL);
g_object_set (G_OBJECT (audiowsincband), "upper-frequency",
44100 / 4.0 + 1000, NULL);
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
in = (gdouble *) map.data;
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;
}
gst_buffer_unmap (inbuffer, &map);
caps = gst_caps_from_string (AUDIO_WSINC_BAND_CAPS_STRING_64);
gst_check_setup_events (mysrcpad, audiowsincband, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* ensure segment (format) properly setup */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* 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);
gst_buffer_map (outbuffer, &map, GST_MAP_READ);
res = (gdouble *) map.data;
buffer_length = map.size / 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);
gst_buffer_unmap (outbuffer, &map);
}
/* cleanup */
cleanup_audiowsincband (audiowsincband);
}
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 *audiowsincband;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gdouble *in, *res, rms;
gint i;
GstMapInfo map;
GList *node;
GstSegment segment;
audiowsincband = setup_audiowsincband ();
/* Set to bandpass */
g_object_set (G_OBJECT (audiowsincband), "mode", 0, NULL);
g_object_set (G_OBJECT (audiowsincband), "length", 31, NULL);
fail_unless (gst_element_set_state (audiowsincband,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
g_object_set (G_OBJECT (audiowsincband), "lower-frequency",
44100 / 4.0 - 1000, NULL);
g_object_set (G_OBJECT (audiowsincband), "upper-frequency",
44100 / 4.0 + 1000, NULL);
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
in = (gdouble *) map.data;
for (i = 0; i < 1024; i += 2) {
in[i] = 1.0;
in[i + 1] = -1.0;
}
gst_buffer_unmap (inbuffer, &map);
caps = gst_caps_from_string (AUDIO_WSINC_BAND_CAPS_STRING_64);
gst_check_setup_events (mysrcpad, audiowsincband, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* ensure segment (format) properly setup */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* 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);
gst_buffer_map (outbuffer, &map, GST_MAP_READ);
res = (gdouble *) map.data;
buffer_length = map.size / 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);
gst_buffer_unmap (outbuffer, &map);
}
/* cleanup */
cleanup_audiowsincband (audiowsincband);
}
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 *audiowsincband;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gdouble *in, *res, rms;
gint i;
GstMapInfo map;
GList *node;
GstSegment segment;
audiowsincband = setup_audiowsincband ();
/* Set to bandreject */
g_object_set (G_OBJECT (audiowsincband), "mode", 1, NULL);
g_object_set (G_OBJECT (audiowsincband), "length", 31, NULL);
fail_unless (gst_element_set_state (audiowsincband,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
g_object_set (G_OBJECT (audiowsincband), "lower-frequency",
44100 / 4.0 - 1000, NULL);
g_object_set (G_OBJECT (audiowsincband), "upper-frequency",
44100 / 4.0 + 1000, NULL);
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
in = (gdouble *) map.data;
for (i = 0; i < 1024; i++)
in[i] = 1.0;
gst_buffer_unmap (inbuffer, &map);
caps = gst_caps_from_string (AUDIO_WSINC_BAND_CAPS_STRING_64);
gst_check_setup_events (mysrcpad, audiowsincband, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* ensure segment (format) properly setup */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* 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);
gst_buffer_map (outbuffer, &map, GST_MAP_READ);
res = (gdouble *) map.data;
buffer_length = map.size / 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);
gst_buffer_unmap (outbuffer, &map);
}
/* cleanup */
cleanup_audiowsincband (audiowsincband);
}
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 *audiowsincband;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gdouble *in, *res, rms;
gint i;
GstMapInfo map;
GList *node;
GstSegment segment;
audiowsincband = setup_audiowsincband ();
/* Set to bandreject */
g_object_set (G_OBJECT (audiowsincband), "mode", 1, NULL);
g_object_set (G_OBJECT (audiowsincband), "length", 31, NULL);
fail_unless (gst_element_set_state (audiowsincband,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
g_object_set (G_OBJECT (audiowsincband), "lower-frequency",
44100 / 4.0 - 1000, NULL);
g_object_set (G_OBJECT (audiowsincband), "upper-frequency",
44100 / 4.0 + 1000, NULL);
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
in = (gdouble *) map.data;
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;
}
gst_buffer_unmap (inbuffer, &map);
caps = gst_caps_from_string (AUDIO_WSINC_BAND_CAPS_STRING_64);
gst_check_setup_events (mysrcpad, audiowsincband, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* ensure segment (format) properly setup */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* 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);
gst_buffer_map (outbuffer, &map, GST_MAP_READ);
res = (gdouble *) map.data;
buffer_length = map.size / 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);
gst_buffer_unmap (outbuffer, &map);
}
/* cleanup */
cleanup_audiowsincband (audiowsincband);
}
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 *audiowsincband;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gdouble *in, *res, rms;
gint i;
GstMapInfo map;
GList *node;
GstSegment segment;
audiowsincband = setup_audiowsincband ();
/* Set to bandreject */
g_object_set (G_OBJECT (audiowsincband), "mode", 1, NULL);
g_object_set (G_OBJECT (audiowsincband), "length", 31, NULL);
fail_unless (gst_element_set_state (audiowsincband,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
g_object_set (G_OBJECT (audiowsincband), "lower-frequency",
44100 / 4.0 - 1000, NULL);
g_object_set (G_OBJECT (audiowsincband), "upper-frequency",
44100 / 4.0 + 1000, NULL);
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
in = (gdouble *) map.data;
for (i = 0; i < 1024; i += 2) {
in[i] = 1.0;
in[i + 1] = -1.0;
}
gst_buffer_unmap (inbuffer, &map);
caps = gst_caps_from_string (AUDIO_WSINC_BAND_CAPS_STRING_64);
gst_check_setup_events (mysrcpad, audiowsincband, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* ensure segment (format) properly setup */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* 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);
gst_buffer_map (outbuffer, &map, GST_MAP_READ);
res = (gdouble *) map.data;
buffer_length = map.size / 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);
gst_buffer_unmap (outbuffer, &map);
}
/* cleanup */
cleanup_audiowsincband (audiowsincband);
}
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 *audiowsincband;
GstBuffer *inbuffer;
GstCaps *caps;
gdouble *in;
gint i;
GstMapInfo map;
GstSegment segment;
audiowsincband = setup_audiowsincband ();
/* Set to bandpass */
g_object_set (G_OBJECT (audiowsincband), "mode", 0, NULL);
g_object_set (G_OBJECT (audiowsincband), "length", 101, NULL);
fail_unless (gst_element_set_state (audiowsincband,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
g_object_set (G_OBJECT (audiowsincband), "lower-frequency",
44100 / 4.0 - 44100 / 16.0, NULL);
g_object_set (G_OBJECT (audiowsincband), "upper-frequency",
44100 / 4.0 + 44100 / 16.0, NULL);
inbuffer = gst_buffer_new_and_alloc (20 * sizeof (gdouble));
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
in = (gdouble *) map.data;
for (i = 0; i < 20; i++)
in[i] = 1.0;
gst_buffer_unmap (inbuffer, &map);
caps = gst_caps_from_string (AUDIO_WSINC_BAND_CAPS_STRING_64);
gst_check_setup_events (mysrcpad, audiowsincband, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* ensure segment (format) properly setup */
gst_segment_init (&segment, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_segment (&segment)));
/* 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_audiowsincband (audiowsincband);
}
GST_END_TEST;
static Suite *
audiowsincband_suite (void)
{
Suite *s = suite_create ("audiowsincband");
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;
}
GST_CHECK_MAIN (audiowsincband);