gstreamer/tests/check/gst/gstelement.c
Olivier Crête f9baff11c8 Revert "element: set pads need-parent flag to false when removing"
This reverts commit 1911554cff.

This breaks the functionality of GST_PAD_FLAG_NEED_PARENT, the reason for this
flag is that if a pad is removed from a running element, you don't want
functions (such as chain or event) to be called on the pad without a parent set.
This can happen if you remove a request or sometimes pad from a running element.

I don't see the code that caused this in tsdemux, but if it needs to unset
the flag on remove, it should do it itself and then make sure that the parent
exists in any pad function.
2015-02-20 16:22:23 -05:00

367 lines
10 KiB
C

/* GStreamer
* Copyright (C) 2005 Thomas Vander Stichele <thomas at apestaart dot org>
*
* gstelement.c: Unit test for GstElement
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <gst/check/gstcheck.h>
GST_START_TEST (test_add_remove_pad)
{
GstElement *e;
GstPad *p;
/* getting an existing element class is cheating, but easier */
e = gst_element_factory_make ("fakesrc", "source");
/* create a new floating pad with refcount 1 */
p = gst_pad_new ("source", GST_PAD_SRC);
ASSERT_OBJECT_REFCOUNT (p, "pad", 1);
/* ref it for ourselves */
gst_object_ref (p);
ASSERT_OBJECT_REFCOUNT (p, "pad", 2);
/* adding it sinks the pad -> not floating, same refcount */
gst_element_add_pad (e, p);
ASSERT_OBJECT_REFCOUNT (p, "pad", 2);
/* removing it reduces the refcount */
gst_element_remove_pad (e, p);
ASSERT_OBJECT_REFCOUNT (p, "pad", 1);
/* clean up our own reference */
gst_object_unref (p);
gst_object_unref (e);
}
GST_END_TEST;
GST_START_TEST (test_add_pad_unref_element)
{
GstElement *e;
GstPad *p;
/* getting an existing element class is cheating, but easier */
e = gst_element_factory_make ("fakesrc", "source");
/* create a new floating pad with refcount 1 */
p = gst_pad_new ("source", GST_PAD_SRC);
ASSERT_OBJECT_REFCOUNT (p, "pad", 1);
/* ref it for ourselves */
gst_object_ref (p);
ASSERT_OBJECT_REFCOUNT (p, "pad", 2);
/* adding it sinks the pad -> not floating, same refcount */
gst_element_add_pad (e, p);
ASSERT_OBJECT_REFCOUNT (p, "pad", 2);
/* unreffing the element should clean it up */
gst_object_unref (GST_OBJECT (e));
ASSERT_OBJECT_REFCOUNT (p, "pad", 1);
/* clean up our own reference */
gst_object_unref (p);
}
GST_END_TEST;
GST_START_TEST (test_error_no_bus)
{
GstElement *e;
GstBus *bus;
e = gst_element_factory_make ("fakesrc", "source");
/* get the bus, should be NULL */
bus = gst_element_get_bus (e);
fail_if (bus != NULL);
/* I don't want errors shown */
gst_debug_set_default_threshold (GST_LEVEL_NONE);
GST_ELEMENT_ERROR (e, RESOURCE, OPEN_READ, ("I could not read"), ("debug"));
gst_object_unref (e);
}
GST_END_TEST;
/* link and run two elements without putting them in a pipeline */
GST_START_TEST (test_link)
{
GstElement *src, *sink;
src = gst_element_factory_make ("fakesrc", "source");
sink = gst_element_factory_make ("fakesink", "sink");
fail_unless (gst_element_link_pads (src, "src", sink, "sink"));
/* do sink to source state change */
gst_element_set_state (sink, GST_STATE_PAUSED);
gst_element_set_state (src, GST_STATE_PAUSED);
/* wait for preroll */
gst_element_get_state (sink, NULL, NULL, GST_CLOCK_TIME_NONE);
/* play some more */
gst_element_set_state (sink, GST_STATE_PLAYING);
gst_element_set_state (src, GST_STATE_PLAYING);
g_usleep (G_USEC_PER_SEC);
/* and stop */
gst_element_set_state (sink, GST_STATE_PAUSED);
gst_element_set_state (src, GST_STATE_PAUSED);
/* wait for preroll */
gst_element_get_state (sink, NULL, NULL, GST_CLOCK_TIME_NONE);
gst_element_set_state (sink, GST_STATE_NULL);
gst_element_set_state (src, GST_STATE_NULL);
gst_element_get_state (sink, NULL, NULL, GST_CLOCK_TIME_NONE);
g_usleep (G_USEC_PER_SEC / 2);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
gst_element_unlink_pads (src, "src", sink, "sink");
ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
gst_object_unref (src);
gst_object_unref (sink);
}
GST_END_TEST;
/* linking two elements without pads should fail */
GST_START_TEST (test_link_no_pads)
{
GstElement *src, *sink;
src = gst_bin_new ("src");
sink = gst_bin_new ("sink");
fail_if (gst_element_link (src, sink));
gst_object_unref (src);
gst_object_unref (sink);
}
GST_END_TEST;
typedef struct _GstTestElement
{
GstElement parent;
} GstTestElement;
typedef struct _GstTestElementClass
{
GstElementClass parent;
} GstTestElementClass;
static void
gst_test_element_class_init (GstTestElementClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstPadTemplate *templ;
gst_element_class_set_metadata (element_class, "Test element",
"Element", "Does nothing", "Foo Bar <foo@bar.com>");
fail_unless_equals_int (g_list_length (gst_element_class_get_pad_template_list
(element_class)), 0);
fail_unless (gst_element_class_get_pad_template (element_class,
"test") == NULL);
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("test", GST_PAD_SRC, GST_PAD_ALWAYS, GST_CAPS_ANY));
fail_unless_equals_int (g_list_length (gst_element_class_get_pad_template_list
(element_class)), 1);
fail_unless ((templ =
gst_element_class_get_pad_template (element_class, "test")) != NULL);
fail_unless (gst_caps_is_any (templ->caps));
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("test2", GST_PAD_SRC, GST_PAD_ALWAYS,
GST_CAPS_ANY));
fail_unless_equals_int (g_list_length (gst_element_class_get_pad_template_list
(element_class)), 2);
fail_unless ((templ =
gst_element_class_get_pad_template (element_class, "test2")) != NULL);
fail_unless (gst_caps_is_any (templ->caps));
/* Add "test" again, with NONE caps this time */
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("test", GST_PAD_SRC, GST_PAD_ALWAYS,
GST_CAPS_NONE));
fail_unless_equals_int (g_list_length (gst_element_class_get_pad_template_list
(element_class)), 2);
fail_unless ((templ =
gst_element_class_get_pad_template (element_class, "test")) != NULL);
fail_unless (gst_caps_is_empty (templ->caps));
}
static GType
gst_test_element_get_type (void)
{
static GType gst_test_element_type = G_TYPE_NONE;
if (gst_test_element_type == G_TYPE_NONE) {
static const GTypeInfo gst_test_element_info = {
sizeof (GstTestElementClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gst_test_element_class_init,
NULL,
NULL,
sizeof (GstTestElement),
0,
NULL, /* instance_init */
NULL
};
gst_test_element_type = g_type_register_static (GST_TYPE_ELEMENT,
"GstTestElement", &gst_test_element_info, 0);
}
return gst_test_element_type;
}
typedef struct _GstTestElement2
{
GstTestElement parent;
} GstTestElement2;
typedef struct _GstTestElement2Class
{
GstTestElementClass parent;
} GstTestElement2Class;
static void
gst_test_element2_class_init (GstTestElement2Class * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstPadTemplate *templ;
gst_element_class_set_metadata (element_class, "Test element 2",
"Element", "Does nothing", "Foo Bar <foo@bar.com>");
fail_unless_equals_int (g_list_length (gst_element_class_get_pad_template_list
(element_class)), 2);
fail_unless ((templ =
gst_element_class_get_pad_template (element_class, "test")) != NULL);
fail_unless (gst_caps_is_empty (templ->caps));
fail_unless ((templ =
gst_element_class_get_pad_template (element_class, "test2")) != NULL);
fail_unless (gst_caps_is_any (templ->caps));
/* Add "test" pad with ANY caps, should have "test" pad with EMPTY caps before */
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("test", GST_PAD_SRC, GST_PAD_ALWAYS, GST_CAPS_ANY));
fail_unless_equals_int (g_list_length (gst_element_class_get_pad_template_list
(element_class)), 2);
fail_unless ((templ =
gst_element_class_get_pad_template (element_class, "test")) != NULL);
fail_unless (gst_caps_is_any (templ->caps));
gst_element_class_add_pad_template (element_class,
gst_pad_template_new ("test4", GST_PAD_SRC, GST_PAD_ALWAYS,
GST_CAPS_ANY));
fail_unless_equals_int (g_list_length (gst_element_class_get_pad_template_list
(element_class)), 3);
fail_unless ((templ =
gst_element_class_get_pad_template (element_class, "test4")) != NULL);
fail_unless (gst_caps_is_any (templ->caps));
}
static GType
gst_test_element2_get_type (void)
{
static GType gst_test_element2_type = G_TYPE_NONE;
if (gst_test_element2_type == G_TYPE_NONE) {
static const GTypeInfo gst_test_element2_info = {
sizeof (GstTestElement2Class),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gst_test_element2_class_init,
NULL,
NULL,
sizeof (GstTestElement2),
0,
NULL, /* instance_init */
NULL
};
gst_test_element2_type =
g_type_register_static (gst_test_element_get_type (), "GstTestElement2",
&gst_test_element2_info, 0);
}
return gst_test_element2_type;
}
GST_START_TEST (test_pad_templates)
{
GstTestElement *test;
GstTestElement2 *test2;
test = g_object_new (gst_test_element_get_type (), NULL);
test2 = g_object_new (gst_test_element2_get_type (), NULL);
g_object_unref (test);
g_object_unref (test2);
}
GST_END_TEST;
static Suite *
gst_element_suite (void)
{
Suite *s = suite_create ("GstElement");
TCase *tc_chain = tcase_create ("element tests");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_add_remove_pad);
tcase_add_test (tc_chain, test_add_pad_unref_element);
tcase_add_test (tc_chain, test_error_no_bus);
tcase_add_test (tc_chain, test_link);
tcase_add_test (tc_chain, test_link_no_pads);
tcase_add_test (tc_chain, test_pad_templates);
return s;
}
GST_CHECK_MAIN (gst_element);