mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-30 04:00:37 +00:00
327 lines
9.2 KiB
C
327 lines
9.2 KiB
C
/* GStreamer
|
|
*
|
|
* Copyright (C) 2008 Sebastian Dröge <slomo@circular-chaos.org>
|
|
*
|
|
* equalizer.c: Unit test for the equalizer 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 EQUALIZER_CAPS_STRING \
|
|
"audio/x-raw-float, " \
|
|
"channels = (int) 1, " \
|
|
"rate = (int) 48000, " \
|
|
"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) 48000, "
|
|
"endianness = (int) BYTE_ORDER, " "width = (int) 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) 48000, "
|
|
"endianness = (int) BYTE_ORDER, " "width = (int) 64 ")
|
|
);
|
|
|
|
static GstElement *
|
|
setup_equalizer (void)
|
|
{
|
|
GstElement *equalizer;
|
|
|
|
GST_DEBUG ("setup_equalizer");
|
|
equalizer = gst_check_setup_element ("equalizer-nbands");
|
|
mysrcpad = gst_check_setup_src_pad (equalizer, &srctemplate, NULL);
|
|
mysinkpad = gst_check_setup_sink_pad (equalizer, &sinktemplate, NULL);
|
|
gst_pad_set_active (mysrcpad, TRUE);
|
|
gst_pad_set_active (mysinkpad, TRUE);
|
|
|
|
return equalizer;
|
|
}
|
|
|
|
static void
|
|
cleanup_equalizer (GstElement * equalizer)
|
|
{
|
|
GST_DEBUG ("cleanup_equalizer");
|
|
|
|
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 (equalizer);
|
|
gst_check_teardown_sink_pad (equalizer);
|
|
gst_check_teardown_element (equalizer);
|
|
}
|
|
|
|
GST_START_TEST (test_equalizer_5bands_passthrough)
|
|
{
|
|
GstElement *equalizer;
|
|
GstBuffer *inbuffer;
|
|
GstCaps *caps;
|
|
gdouble *in, *res;
|
|
gint i;
|
|
|
|
equalizer = setup_equalizer ();
|
|
g_object_set (G_OBJECT (equalizer), "num-bands", 5, NULL);
|
|
|
|
fail_unless_equals_int (gst_child_proxy_get_children_count (GST_CHILD_PROXY
|
|
(equalizer)), 5);
|
|
|
|
fail_unless (gst_element_set_state (equalizer,
|
|
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
|
|
"could not set to playing");
|
|
|
|
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
|
|
in = (gdouble *) GST_BUFFER_DATA (inbuffer);
|
|
for (i = 0; i < 1024; i++)
|
|
in[i] = g_random_double_range (-1.0, 1.0);
|
|
|
|
caps = gst_caps_from_string (EQUALIZER_CAPS_STRING);
|
|
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);
|
|
|
|
res = (gdouble *) GST_BUFFER_DATA (GST_BUFFER (buffers->data));
|
|
|
|
for (i = 0; i < 1024; i++)
|
|
fail_unless_equals_float (in[i], res[i]);
|
|
|
|
/* cleanup */
|
|
cleanup_equalizer (equalizer);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_equalizer_5bands_minus_24)
|
|
{
|
|
GstElement *equalizer;
|
|
GstBuffer *inbuffer;
|
|
GstCaps *caps;
|
|
gdouble *in, *res, rms_in, rms_out;
|
|
gint i;
|
|
|
|
equalizer = setup_equalizer ();
|
|
g_object_set (G_OBJECT (equalizer), "num-bands", 5, NULL);
|
|
|
|
fail_unless_equals_int (gst_child_proxy_get_children_count (GST_CHILD_PROXY
|
|
(equalizer)), 5);
|
|
|
|
for (i = 0; i < 5; i++) {
|
|
GstObject *band =
|
|
gst_child_proxy_get_child_by_index (GST_CHILD_PROXY (equalizer), i);
|
|
fail_unless (band != NULL);
|
|
|
|
g_object_set (G_OBJECT (band), "gain", -24.0, NULL);
|
|
g_object_unref (G_OBJECT (band));
|
|
}
|
|
|
|
fail_unless (gst_element_set_state (equalizer,
|
|
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
|
|
"could not set to playing");
|
|
|
|
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
|
|
in = (gdouble *) GST_BUFFER_DATA (inbuffer);
|
|
for (i = 0; i < 1024; i++)
|
|
in[i] = g_random_double_range (-1.0, 1.0);
|
|
|
|
rms_in = 0.0;
|
|
for (i = 0; i < 1024; i++)
|
|
rms_in += in[i] * in[i];
|
|
rms_in = sqrt (rms_in / 1024);
|
|
|
|
caps = gst_caps_from_string (EQUALIZER_CAPS_STRING);
|
|
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);
|
|
|
|
res = (gdouble *) GST_BUFFER_DATA (GST_BUFFER (buffers->data));
|
|
|
|
rms_out = 0.0;
|
|
for (i = 0; i < 1024; i++)
|
|
rms_out += res[i] * res[i];
|
|
rms_out = sqrt (rms_out / 1024);
|
|
|
|
fail_unless (rms_in > rms_out);
|
|
|
|
/* cleanup */
|
|
cleanup_equalizer (equalizer);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_equalizer_5bands_plus_12)
|
|
{
|
|
GstElement *equalizer;
|
|
GstBuffer *inbuffer;
|
|
GstCaps *caps;
|
|
gdouble *in, *res, rms_in, rms_out;
|
|
gint i;
|
|
|
|
equalizer = setup_equalizer ();
|
|
g_object_set (G_OBJECT (equalizer), "num-bands", 5, NULL);
|
|
|
|
fail_unless_equals_int (gst_child_proxy_get_children_count (GST_CHILD_PROXY
|
|
(equalizer)), 5);
|
|
|
|
for (i = 0; i < 5; i++) {
|
|
GstObject *band =
|
|
gst_child_proxy_get_child_by_index (GST_CHILD_PROXY (equalizer), i);
|
|
fail_unless (band != NULL);
|
|
|
|
g_object_set (G_OBJECT (band), "gain", 12.0, NULL);
|
|
g_object_unref (G_OBJECT (band));
|
|
}
|
|
|
|
fail_unless (gst_element_set_state (equalizer,
|
|
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
|
|
"could not set to playing");
|
|
|
|
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
|
|
in = (gdouble *) GST_BUFFER_DATA (inbuffer);
|
|
for (i = 0; i < 1024; i++)
|
|
in[i] = g_random_double_range (-1.0, 1.0);
|
|
|
|
rms_in = 0.0;
|
|
for (i = 0; i < 1024; i++)
|
|
rms_in += in[i] * in[i];
|
|
rms_in = sqrt (rms_in / 1024);
|
|
|
|
caps = gst_caps_from_string (EQUALIZER_CAPS_STRING);
|
|
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);
|
|
|
|
res = (gdouble *) GST_BUFFER_DATA (GST_BUFFER (buffers->data));
|
|
|
|
rms_out = 0.0;
|
|
for (i = 0; i < 1024; i++)
|
|
rms_out += res[i] * res[i];
|
|
rms_out = sqrt (rms_out / 1024);
|
|
|
|
fail_unless (rms_in < rms_out);
|
|
|
|
/* cleanup */
|
|
cleanup_equalizer (equalizer);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_equalizer_band_number_changing)
|
|
{
|
|
GstElement *equalizer;
|
|
gint i;
|
|
|
|
equalizer = setup_equalizer ();
|
|
|
|
g_object_set (G_OBJECT (equalizer), "num-bands", 5, NULL);
|
|
fail_unless_equals_int (gst_child_proxy_get_children_count (GST_CHILD_PROXY
|
|
(equalizer)), 5);
|
|
|
|
for (i = 0; i < 5; i++) {
|
|
GstObject *band;
|
|
|
|
band = gst_child_proxy_get_child_by_index (GST_CHILD_PROXY (equalizer), i);
|
|
fail_unless (band != NULL);
|
|
gst_object_unref (band);
|
|
}
|
|
|
|
g_object_set (G_OBJECT (equalizer), "num-bands", 10, NULL);
|
|
fail_unless_equals_int (gst_child_proxy_get_children_count (GST_CHILD_PROXY
|
|
(equalizer)), 10);
|
|
|
|
for (i = 0; i < 10; i++) {
|
|
GstObject *band;
|
|
|
|
band = gst_child_proxy_get_child_by_index (GST_CHILD_PROXY (equalizer), i);
|
|
fail_unless (band != NULL);
|
|
gst_object_unref (band);
|
|
}
|
|
|
|
/* cleanup */
|
|
cleanup_equalizer (equalizer);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
static Suite *
|
|
equalizer_suite (void)
|
|
{
|
|
Suite *s = suite_create ("equalizer");
|
|
TCase *tc_chain = tcase_create ("general");
|
|
|
|
suite_add_tcase (s, tc_chain);
|
|
tcase_add_test (tc_chain, test_equalizer_5bands_passthrough);
|
|
tcase_add_test (tc_chain, test_equalizer_5bands_minus_24);
|
|
tcase_add_test (tc_chain, test_equalizer_5bands_plus_12);
|
|
tcase_add_test (tc_chain, test_equalizer_band_number_changing);
|
|
|
|
return s;
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
int nf;
|
|
|
|
Suite *s = equalizer_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;
|
|
}
|