gstreamer/check/gst/gstbin.c

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/* GStreamer
* Copyright (C) 2005 Wim Taymans <wim@fluendo.com>
* Copyright (C) 2005 Thomas Vander Stichele <thomas at apestaart dot org>
*
* gstbin.c: Unit test for GstBin
*
* 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 <gst/check/gstcheck.h>
static void
pop_messages (GstBus * bus, int count)
{
GstMessage *message;
int i;
GST_DEBUG ("popping %d messages", count);
for (i = 0; i < count; ++i) {
message = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, -1);
fail_unless (message && GST_MESSAGE_TYPE (message)
== GST_MESSAGE_STATE_CHANGED, "did not get GST_MESSAGE_STATE_CHANGED");
gst_message_unref (message);
}
GST_DEBUG ("popped %d messages", count);
}
GST_START_TEST (test_interface)
{
GstBin *bin, *bin2;
GstElement *filesrc;
GstIterator *it;
gpointer item;
bin = GST_BIN (gst_bin_new (NULL));
fail_unless (bin != NULL, "Could not create bin");
filesrc = gst_element_factory_make ("filesrc", NULL);
fail_unless (filesrc != NULL, "Could not create filesrc");
fail_unless (GST_IS_URI_HANDLER (filesrc), "Filesrc not a URI handler");
gst_bin_add (bin, filesrc);
fail_unless (gst_bin_get_by_interface (bin, GST_TYPE_URI_HANDLER) == filesrc);
it = gst_bin_iterate_all_by_interface (bin, GST_TYPE_URI_HANDLER);
fail_unless (it != NULL);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
fail_unless (item == (gpointer) filesrc);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_DONE);
gst_iterator_free (it);
gst_bin_add_many (bin,
gst_element_factory_make ("identity", NULL),
gst_element_factory_make ("identity", NULL),
gst_element_factory_make ("identity", NULL), NULL);
fail_unless (gst_bin_get_by_interface (bin, GST_TYPE_URI_HANDLER) == filesrc);
it = gst_bin_iterate_all_by_interface (bin, GST_TYPE_URI_HANDLER);
fail_unless (it != NULL);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
fail_unless (item == (gpointer) filesrc);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_DONE);
gst_iterator_free (it);
bin2 = bin;
bin = GST_BIN (gst_bin_new (NULL));
fail_unless (bin != NULL);
gst_bin_add_many (bin,
gst_element_factory_make ("identity", NULL),
gst_element_factory_make ("identity", NULL),
GST_ELEMENT (bin2), gst_element_factory_make ("identity", NULL), NULL);
fail_unless (gst_bin_get_by_interface (bin, GST_TYPE_URI_HANDLER) == filesrc);
it = gst_bin_iterate_all_by_interface (bin, GST_TYPE_URI_HANDLER);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
fail_unless (item == (gpointer) filesrc);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_DONE);
gst_iterator_free (it);
gst_bin_add (bin, gst_element_factory_make ("filesrc", NULL));
gst_bin_add (bin2, gst_element_factory_make ("filesrc", NULL));
it = gst_bin_iterate_all_by_interface (bin, GST_TYPE_URI_HANDLER);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_DONE);
gst_iterator_free (it);
gst_object_unref (bin);
}
GST_END_TEST;
GST_START_TEST (test_message_state_changed)
{
GstBin *bin;
GstBus *bus;
GstMessage *message;
bin = GST_BIN (gst_bin_new (NULL));
fail_unless (bin != NULL, "Could not create bin");
ASSERT_OBJECT_REFCOUNT (bin, "bin", 1);
bus = GST_ELEMENT_BUS (bin);
/* change state, spawning a message, causing an incref on the bin */
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_READY);
ASSERT_OBJECT_REFCOUNT (bin, "bin", 2);
/* get and unref the message, causing a decref on the bin */
message = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, -1);
fail_unless (message && GST_MESSAGE_TYPE (message)
== GST_MESSAGE_STATE_CHANGED, "did not get GST_MESSAGE_STATE_CHANGED");
gst_message_unref (message);
ASSERT_OBJECT_REFCOUNT (bin, "bin", 1);
/* clean up */
gst_object_unref (bin);
}
GST_END_TEST;
GST_START_TEST (test_message_state_changed_child)
{
GstBin *bin;
GstElement *src;
GstBus *bus;
GstMessage *message;
bin = GST_BIN (gst_bin_new (NULL));
fail_unless (bin != NULL, "Could not create bin");
ASSERT_OBJECT_REFCOUNT (bin, "bin", 1);
src = gst_element_factory_make ("fakesrc", NULL);
fail_if (src == NULL, "Could not create fakesrc");
gst_bin_add (bin, src);
ASSERT_OBJECT_REFCOUNT (bin, "bin", 1);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
bus = GST_ELEMENT_BUS (bin);
/* change state, spawning two messages:
* - first for fakesrc, forwarded to bin's bus, causing incref on fakesrc
* - second for bin, causing an incref on the bin */
GST_DEBUG ("setting bin to READY");
fail_unless (gst_element_set_state (GST_ELEMENT (bin), GST_STATE_READY)
== GST_STATE_CHANGE_SUCCESS);
ASSERT_OBJECT_REFCOUNT (src, "src", 2);
ASSERT_OBJECT_REFCOUNT (bin, "bin", 2);
/* get and unref the message, causing a decref on the src */
message = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, -1);
fail_unless (message && GST_MESSAGE_TYPE (message)
== GST_MESSAGE_STATE_CHANGED, "did not get GST_MESSAGE_STATE_CHANGED");
fail_unless (message->src == GST_OBJECT (src));
gst_message_unref (message);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (bin, "bin", 2);
/* get and unref message 2, causing a decref on the bin */
message = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, -1);
fail_unless (message && GST_MESSAGE_TYPE (message)
== GST_MESSAGE_STATE_CHANGED, "did not get GST_MESSAGE_STATE_CHANGED");
fail_unless (message->src == GST_OBJECT (bin));
gst_message_unref (message);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (bin, "bin", 1);
/* clean up */
gst_object_unref (bin);
}
GST_END_TEST;
GST_START_TEST (test_message_state_changed_children)
{
GstPipeline *pipeline;
GstElement *src, *sink;
GstBus *bus;
pipeline = GST_PIPELINE (gst_pipeline_new (NULL));
fail_unless (pipeline != NULL, "Could not create pipeline");
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
src = gst_element_factory_make ("fakesrc", NULL);
fail_if (src == NULL, "Could not create fakesrc");
/* need to silence the element as the deep_notify refcounts the
* parents while running */
g_object_set (G_OBJECT (src), "silent", TRUE, NULL);
gst_bin_add (GST_BIN (pipeline), src);
sink = gst_element_factory_make ("fakesink", NULL);
/* need to silence the element as the deep_notify refcounts the
* parents while running */
g_object_set (G_OBJECT (sink), "silent", TRUE, NULL);
fail_if (sink == NULL, "Could not create fakesink");
gst_bin_add (GST_BIN (pipeline), sink);
fail_unless (gst_element_link (src, sink), "could not link src and sink");
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
bus = GST_ELEMENT_BUS (pipeline);
/* change state to READY, spawning three messages */
GST_DEBUG ("setting pipeline to READY");
fail_unless (gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_READY)
== GST_STATE_CHANGE_SUCCESS);
/* each object is referenced by a message */
ASSERT_OBJECT_REFCOUNT (bus, "bus", 1);
ASSERT_OBJECT_REFCOUNT (src, "src", 2);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 2);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 2);
pop_messages (bus, 3);
fail_if ((gst_bus_pop (bus)) != NULL);
ASSERT_OBJECT_REFCOUNT (bus, "bus", 1);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
/* change state to PAUSED, spawning three messages */
GST_DEBUG ("setting pipeline to PAUSED");
fail_unless (gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PAUSED)
== GST_STATE_CHANGE_SUCCESS);
/* each object is referenced by a message;
* base_sink_chain has taken a refcount on the sink, and is blocked on
* preroll */
ASSERT_OBJECT_REFCOUNT (src, "src", 2);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 3);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 2);
pop_messages (bus, 3);
fail_if ((gst_bus_pop (bus)) != NULL);
ASSERT_OBJECT_REFCOUNT (bus, "bus", 1);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 2);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
/* change state to PLAYING, spawning three messages */
GST_DEBUG ("setting pipeline to PLAYING");
fail_unless (gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING)
== GST_STATE_CHANGE_SUCCESS);
/* each object is referenced by one message
* sink might have an extra reference if it's still blocked on preroll */
ASSERT_OBJECT_REFCOUNT (src, "src", 2);
ASSERT_OBJECT_REFCOUNT_BETWEEN (sink, "sink", 2, 3);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 2);
pop_messages (bus, 3);
fail_if ((gst_bus_pop (bus)) != NULL);
ASSERT_OBJECT_REFCOUNT (bus, "bus", 1);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
/* sink might have an extra reference if it's still blocked on preroll */
ASSERT_OBJECT_REFCOUNT_BETWEEN (sink, "sink", 1, 2);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
/* go back to READY, spawning six messages */
GST_DEBUG ("setting pipeline to READY");
fail_unless (gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_READY)
== GST_STATE_CHANGE_SUCCESS);
/* each object is referenced by two messages */
ASSERT_OBJECT_REFCOUNT (src, "src", 3);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 3);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 3);
pop_messages (bus, 6);
fail_if ((gst_bus_pop (bus)) != NULL);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
/* setting pipeline to NULL flushes the bus automatically */
fail_unless (gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL)
== GST_STATE_CHANGE_SUCCESS);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
/* clean up */
gst_object_unref (pipeline);
}
GST_END_TEST;
GST_START_TEST (test_watch_for_state_change)
{
GstElement *src, *sink, *bin;
GstBus *bus;
bin = gst_element_factory_make ("bin", NULL);
fail_unless (bin != NULL, "Could not create bin");
src = gst_element_factory_make ("fakesrc", NULL);
fail_if (src == NULL, "Could not create fakesrc");
sink = gst_element_factory_make ("fakesink", NULL);
fail_if (sink == NULL, "Could not create fakesink");
gst_bin_add (GST_BIN (bin), sink);
gst_bin_add (GST_BIN (bin), src);
fail_unless (gst_element_link (src, sink), "could not link src and sink");
bus = GST_ELEMENT_BUS (bin);
/* change state, spawning two times three messages, minus one async */
fail_unless (gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PAUSED)
== GST_STATE_CHANGE_ASYNC);
pop_messages (bus, 5);
fail_unless (gst_bus_have_pending (bus, GST_MESSAGE_ANY) == FALSE,
"Unexpected messages on bus");
gst_bin_watch_for_state_change (GST_BIN (bin));
/* should get the bin's state change message now */
pop_messages (bus, 1);
fail_unless (gst_bus_have_pending (bus, GST_MESSAGE_ANY) == FALSE,
"Unexpected messages on bus");
fail_unless (gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PLAYING)
== GST_STATE_CHANGE_SUCCESS);
pop_messages (bus, 3);
/* this one might return either SUCCESS or ASYNC, likely SUCCESS */
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PAUSED);
gst_bin_watch_for_state_change (GST_BIN (bin));
pop_messages (bus, 3);
fail_unless (gst_bus_have_pending (bus, GST_MESSAGE_ANY) == FALSE,
"Unexpected messages on bus");
/* setting bin to NULL flushes the bus automatically */
fail_unless (gst_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL)
== GST_STATE_CHANGE_SUCCESS);
/* clean up */
gst_object_unref (bin);
}
GST_END_TEST;
/* adding an element with linked pads to a bin unlinks the
* pads */
GST_START_TEST (test_add_linked)
{
GstElement *src, *sink;
GstPad *srcpad, *sinkpad;
GstElement *pipeline;
pipeline = gst_pipeline_new (NULL);
fail_unless (pipeline != NULL, "Could not create pipeline");
src = gst_element_factory_make ("fakesrc", NULL);
fail_if (src == NULL, "Could not create fakesrc");
sink = gst_element_factory_make ("fakesink", NULL);
fail_if (src == NULL, "Could not create fakesink");
srcpad = gst_element_get_pad (src, "src");
fail_unless (srcpad != NULL);
sinkpad = gst_element_get_pad (sink, "sink");
fail_unless (sinkpad != NULL);
fail_unless (gst_pad_link (srcpad, sinkpad) == GST_PAD_LINK_OK);
/* pads are linked now */
fail_unless (gst_pad_is_linked (srcpad));
fail_unless (gst_pad_is_linked (sinkpad));
/* adding element to bin voids hierarchy so pads are unlinked */
gst_bin_add (GST_BIN (pipeline), src);
/* check if pads really are unlinked */
fail_unless (!gst_pad_is_linked (srcpad));
fail_unless (!gst_pad_is_linked (sinkpad));
/* cannot link pads in wrong hierarchy */
fail_unless (gst_pad_link (srcpad, sinkpad) == GST_PAD_LINK_WRONG_HIERARCHY);
/* adding other element to bin as well */
gst_bin_add (GST_BIN (pipeline), sink);
/* now we can link again */
fail_unless (gst_pad_link (srcpad, sinkpad) == GST_PAD_LINK_OK);
/* check if pads really are linked */
fail_unless (gst_pad_is_linked (srcpad));
fail_unless (gst_pad_is_linked (sinkpad));
gst_object_unref (srcpad);
gst_object_unref (sinkpad);
gst_object_unref (pipeline);
}
GST_END_TEST;
Suite *
gst_bin_suite (void)
{
Suite *s = suite_create ("GstBin");
TCase *tc_chain = tcase_create ("bin tests");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_interface);
tcase_add_test (tc_chain, test_message_state_changed);
tcase_add_test (tc_chain, test_message_state_changed_child);
tcase_add_test (tc_chain, test_message_state_changed_children);
tcase_add_test (tc_chain, test_watch_for_state_change);
tcase_add_test (tc_chain, test_add_linked);
return s;
}
int
main (int argc, char **argv)
{
int nf;
Suite *s = gst_bin_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;
}