gstreamer/check/elements/level.c

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/* GStreamer
*
* unit test for level
*
* Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <unistd.h>
#include <gst/check/gstcheck.h>
GList *buffers = NULL;
gboolean have_eos = FALSE;
/* 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 LEVEL_CAPS_TEMPLATE_STRING \
"audio/x-raw-int, " \
"rate = (int) [ 1, MAX ], " \
"channels = (int) [ 1, 8 ], " \
"endianness = (int) BYTE_ORDER, " \
"width = (int) {8, 16}, " \
"depth = (int) {8, 16}, " \
"signed = (boolean) true"
#define LEVEL_CAPS_STRING \
"audio/x-raw-int, " \
"rate = (int) 1000, " \
"channels = (int) 2, " \
"endianness = (int) BYTE_ORDER, " \
"width = (int) 16, " \
"depth = (int) 16, " \
"signed = (boolean) true"
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (LEVEL_CAPS_TEMPLATE_STRING)
);
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (LEVEL_CAPS_TEMPLATE_STRING)
);
/* takes over reference for outcaps */
GstElement *
setup_level ()
{
GstElement *level;
GST_DEBUG ("setup_level");
level = gst_check_setup_element ("level");
mysrcpad = gst_check_setup_src_pad (level, &srctemplate, NULL);
mysinkpad = gst_check_setup_sink_pad (level, &sinktemplate, NULL);
return level;
}
void
cleanup_level (GstElement * level)
{
GST_DEBUG ("cleanup_level");
gst_check_teardown_src_pad (level);
gst_check_teardown_sink_pad (level);
gst_check_teardown_element (level);
}
GST_START_TEST (test_int16)
{
GstElement *level;
GstBuffer *inbuffer, *outbuffer;
GstBus *bus;
GstMessage *message;
const GstStructure *structure;
int i, j;
gint16 *data;
const GValue *list, *value;
GstClockTime endtime;
gdouble dB;
level = setup_level ();
g_object_set (level, "message", TRUE, "interval", GST_SECOND / 10, NULL);
fail_unless (gst_element_set_state (level,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
/* create a fake 0.1 sec buffer with a half-amplitude block signal */
inbuffer = gst_buffer_new_and_alloc (400);
data = (gint16 *) GST_BUFFER_DATA (inbuffer);
for (j = 0; j < 200; ++j) {
*data = 16536;
++data;
}
gst_buffer_set_caps (inbuffer, gst_caps_from_string (LEVEL_CAPS_STRING));
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* create a bus to get the level message on */
bus = gst_bus_new ();
gst_element_set_bus (level, bus);
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
/* ... but it ends up being collected on the global buffer list */
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
fail_unless_equals_int (g_list_length (buffers), 1);
fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
fail_unless (inbuffer == outbuffer);
message = gst_bus_poll (bus, GST_MESSAGE_ELEMENT, -1);
fail_unless (message != NULL);
fail_unless (GST_MESSAGE_SRC (message) == GST_OBJECT (level));
fail_unless (GST_MESSAGE_TYPE (message) == GST_MESSAGE_ELEMENT);
structure = gst_message_get_structure (message);
fail_if (structure == NULL);
fail_unless_equals_string ((char *) gst_structure_get_name (structure),
"level");
fail_unless (gst_structure_get_clock_time (structure, "endtime", &endtime));
/* block wave of half amplitude has -5.94 dB for rms, peak and decay */
for (i = 0; i < 2; ++i) {
gchar *fields[3] = { "rms", "peak", "decay" };
for (j = 0; j < 3; ++j) {
list = gst_structure_get_value (structure, fields[j]);
value = gst_value_list_get_value (list, i);
dB = g_value_get_double (value);
fail_if (dB < -6.0);
fail_if (dB > -5.9);
}
}
gst_message_unref (message);
// FIXME: need to fix leaks in level object first
//gst_object_unref (level);
}
GST_END_TEST;
Suite *
level_suite (void)
{
Suite *s = suite_create ("level");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_int16);
return s;
}
int
main (int argc, char **argv)
{
int nf;
Suite *s = level_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;
}