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gstreamer/tests/check/gst/gstbin.c
Thomas Vander Stichele 18682cacc1 check/: fix tests for the new warning 
Original commit message from CVS:

* check/gst/gstbin.c:
* check/states/sinks.c:
fix tests for the new warning
* check/gst/gstpipeline.c:
add a test for pipeline and bus interaction
* gst/gstelement.c:
elements should be NULL if they get disposed; add a warning if not
2005-09-29 18:37:48 +00:00

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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 = g_object_new (gst_bus_get_type (), NULL);
gst_element_set_bus (GST_ELEMENT_CAST (bin), bus);
/* 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_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL);
gst_object_unref (bus);
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);
bus = g_object_new (gst_bus_get_type (), NULL);
gst_element_set_bus (GST_ELEMENT_CAST (bin), bus);
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);
/* 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 */
fail_unless (gst_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL)
== GST_STATE_CHANGE_SUCCESS);
gst_object_unref (bus);
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_pipeline_get_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", 2);
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", 2);
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", 2);
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", 2);
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 (bus);
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");
bus = g_object_new (gst_bus_get_type (), NULL);
gst_element_set_bus (GST_ELEMENT_CAST (bin), bus);
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");
/* 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) == 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) == 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) == 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 (bus);
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 (sink == 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;
/* g_print ("%10s: %4d => %4d\n", GST_OBJECT_NAME (msg->src), old, new); */
#define ASSERT_STATE_CHANGE_MSG(bus,element,old_state,new_state,num) \
{ \
GstMessage *msg; \
GstState old = 0, new = 0; \
msg = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, GST_SECOND); \
fail_if (msg == NULL, "No state change message within 1 second (#" \
G_STRINGIFY (num) ")"); \
gst_message_parse_state_changed (msg, &old, &new); \
fail_if (msg->src != GST_OBJECT (element), G_STRINGIFY(element) \
" should have changed state next (#" G_STRINGIFY (num) ")"); \
fail_if (old != old_state || new != new_state, "state change is not " \
G_STRINGIFY (old_state) " => " G_STRINGIFY (new_state)); \
gst_message_unref (msg); \
}
GST_START_TEST (test_children_state_change_order_flagged_sink)
{
GstElement *src, *identity, *sink, *pipeline;
GstStateChangeReturn ret;
GstBus *bus;
pipeline = gst_pipeline_new (NULL);
fail_unless (pipeline != NULL, "Could not create pipeline");
bus = gst_element_get_bus (pipeline);
fail_unless (bus != NULL, "Pipeline has no bus?!");
src = gst_element_factory_make ("fakesrc", NULL);
fail_if (src == NULL, "Could not create fakesrc");
identity = gst_element_factory_make ("identity", NULL);
fail_if (identity == NULL, "Could not create identity");
sink = gst_element_factory_make ("fakesink", NULL);
fail_if (sink == NULL, "Could not create fakesink");
gst_bin_add_many (GST_BIN (pipeline), src, identity, sink, NULL);
fail_unless (gst_element_link (src, identity) == TRUE);
fail_unless (gst_element_link (identity, sink) == TRUE);
/* (1) Test state change with fakesink being a regular sink */
ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
fail_if (ret != GST_STATE_CHANGE_SUCCESS, "State change to PLAYING failed");
/* NULL => READY */
ASSERT_STATE_CHANGE_MSG (bus, sink, GST_STATE_NULL, GST_STATE_READY, 101);
ASSERT_STATE_CHANGE_MSG (bus, identity, GST_STATE_NULL, GST_STATE_READY, 102);
ASSERT_STATE_CHANGE_MSG (bus, src, GST_STATE_NULL, GST_STATE_READY, 103);
ASSERT_STATE_CHANGE_MSG (bus, pipeline, GST_STATE_NULL, GST_STATE_READY, 104);
/* READY => PAUSED */
/* because of pre-rolling, sink will return ASYNC on state
* change and change state later when it has a buffer */
ASSERT_STATE_CHANGE_MSG (bus, identity, GST_STATE_READY, GST_STATE_PAUSED,
105);
#if 0
/* From here on, all bets are off. Usually the source changes state next,
* but it might just as well be that the first buffer produced by the
* source reaches the sink before the source has finished its state change,
* in which case the sink will commit its new state before the source ... */
ASSERT_STATE_CHANGE_MSG (bus, src, GST_STATE_READY, GST_STATE_PAUSED, 106);
ASSERT_STATE_CHANGE_MSG (bus, sink, GST_STATE_READY, GST_STATE_PAUSED, 107);
ASSERT_STATE_CHANGE_MSG (bus, pipeline, GST_STATE_READY, GST_STATE_PAUSED,
108);
/* PAUSED => PLAYING */
ASSERT_STATE_CHANGE_MSG (bus, sink, GST_STATE_PAUSED, GST_STATE_PLAYING, 109);
ASSERT_STATE_CHANGE_MSG (bus, identity, GST_STATE_PAUSED, GST_STATE_PLAYING,
110);
ASSERT_STATE_CHANGE_MSG (bus, src, GST_STATE_PAUSED, GST_STATE_PLAYING, 111);
ASSERT_STATE_CHANGE_MSG (bus, pipeline, GST_STATE_PAUSED, GST_STATE_PLAYING,
112);
#else
pop_messages (bus, 3); /* pop remaining ready => paused messages off the bus */
pop_messages (bus, 4); /* pop paused => playing messages off the bus */
#endif
/* don't set to NULL that will set the bus flushing and kill our messages */
ret = gst_element_set_state (pipeline, GST_STATE_READY);
fail_if (ret != GST_STATE_CHANGE_SUCCESS, "State change to READY failed");
/* TODO: do we need to check downwards state change order as well? */
pop_messages (bus, 4); /* pop playing => paused messages off the bus */
pop_messages (bus, 4); /* pop paused => ready messages off the bus */
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
ret = gst_element_set_state (pipeline, GST_STATE_NULL);
fail_if (ret != GST_STATE_CHANGE_SUCCESS, "State change to NULL failed");
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
gst_object_unref (bus);
gst_object_unref (pipeline);
}
GST_END_TEST;
GST_START_TEST (test_children_state_change_order_semi_sink)
{
GstElement *src, *identity, *sink, *pipeline;
GstStateChangeReturn ret;
GstBus *bus;
/* (2) Now again, but check other code path where we don't have
* a proper sink correctly flagged as such, but a 'semi-sink' */
pipeline = gst_pipeline_new (NULL);
fail_unless (pipeline != NULL, "Could not create pipeline");
bus = gst_element_get_bus (pipeline);
fail_unless (bus != NULL, "Pipeline has no bus?!");
src = gst_element_factory_make ("fakesrc", NULL);
fail_if (src == NULL, "Could not create fakesrc");
identity = gst_element_factory_make ("identity", NULL);
fail_if (identity == NULL, "Could not create identity");
sink = gst_element_factory_make ("fakesink", NULL);
fail_if (sink == NULL, "Could not create fakesink");
gst_bin_add_many (GST_BIN (pipeline), src, identity, sink, NULL);
fail_unless (gst_element_link (src, identity) == TRUE);
fail_unless (gst_element_link (identity, sink) == TRUE);
/* this is not very nice but should work just fine in this case. */
GST_FLAG_UNSET (sink, GST_ELEMENT_IS_SINK); /* <======== */
ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
fail_if (ret != GST_STATE_CHANGE_SUCCESS, "State change to PLAYING failed");
/* NULL => READY */
ASSERT_STATE_CHANGE_MSG (bus, sink, GST_STATE_NULL, GST_STATE_READY, 201);
ASSERT_STATE_CHANGE_MSG (bus, identity, GST_STATE_NULL, GST_STATE_READY, 202);
ASSERT_STATE_CHANGE_MSG (bus, src, GST_STATE_NULL, GST_STATE_READY, 203);
ASSERT_STATE_CHANGE_MSG (bus, pipeline, GST_STATE_NULL, GST_STATE_READY, 204);
/* READY => PAUSED */
/* because of pre-rolling, sink will return ASYNC on state
* change and change state later when it has a buffer */
ASSERT_STATE_CHANGE_MSG (bus, identity, GST_STATE_READY, GST_STATE_PAUSED,
205);
#if 0
/* From here on, all bets are off. Usually the source changes state next,
* but it might just as well be that the first buffer produced by the
* source reaches the sink before the source has finished its state change,
* in which case the sink will commit its new state before the source ... */
ASSERT_STATE_CHANGE_MSG (bus, src, GST_STATE_READY, GST_STATE_PAUSED, 206);
ASSERT_STATE_CHANGE_MSG (bus, sink, GST_STATE_READY, GST_STATE_PAUSED, 207);
ASSERT_STATE_CHANGE_MSG (bus, pipeline, GST_STATE_READY, GST_STATE_PAUSED,
208);
/* PAUSED => PLAYING */
ASSERT_STATE_CHANGE_MSG (bus, sink, GST_STATE_PAUSED, GST_STATE_PLAYING, 209);
ASSERT_STATE_CHANGE_MSG (bus, identity, GST_STATE_PAUSED, GST_STATE_PLAYING,
210);
ASSERT_STATE_CHANGE_MSG (bus, src, GST_STATE_PAUSED, GST_STATE_PLAYING, 211);
ASSERT_STATE_CHANGE_MSG (bus, pipeline, GST_STATE_PAUSED, GST_STATE_PLAYING,
212);
#else
pop_messages (bus, 3); /* pop remaining ready => paused messages off the bus */
pop_messages (bus, 4); /* pop paused => playing messages off the bus */
#endif
/* don't set to NULL that will set the bus flushing and kill our messages */
ret = gst_element_set_state (pipeline, GST_STATE_READY);
fail_if (ret != GST_STATE_CHANGE_SUCCESS, "State change to READY failed");
/* TODO: do we need to check downwards state change order as well? */
pop_messages (bus, 4); /* pop playing => paused messages off the bus */
pop_messages (bus, 4); /* pop paused => ready messages off the bus */
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
ret = gst_element_set_state (pipeline, GST_STATE_NULL);
fail_if (ret != GST_STATE_CHANGE_SUCCESS, "State change to NULL failed");
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
gst_object_unref (bus);
gst_object_unref (pipeline);
}
GST_END_TEST;
GST_START_TEST (test_children_state_change_order_two_sink)
{
GstElement *src, *tee, *identity, *sink1, *sink2, *pipeline;
GstStateChangeReturn ret;
GstBus *bus;
pipeline = gst_pipeline_new (NULL);
fail_unless (pipeline != NULL, "Could not create pipeline");
bus = gst_element_get_bus (pipeline);
fail_unless (bus != NULL, "Pipeline has no bus?!");
src = gst_element_factory_make ("fakesrc", NULL);
fail_if (src == NULL, "Could not create fakesrc");
tee = gst_element_factory_make ("tee", NULL);
fail_if (tee == NULL, "Could not create tee");
identity = gst_element_factory_make ("identity", NULL);
fail_if (identity == NULL, "Could not create identity");
sink1 = gst_element_factory_make ("fakesink", NULL);
fail_if (sink1 == NULL, "Could not create fakesink1");
sink2 = gst_element_factory_make ("fakesink", NULL);
fail_if (sink2 == NULL, "Could not create fakesink2");
gst_bin_add_many (GST_BIN (pipeline), src, tee, identity, sink1, sink2, NULL);
fail_unless (gst_element_link (src, tee) == TRUE);
fail_unless (gst_element_link (tee, identity) == TRUE);
fail_unless (gst_element_link (identity, sink1) == TRUE);
fail_unless (gst_element_link (tee, sink2) == TRUE);
ret = gst_element_set_state (pipeline, GST_STATE_READY);
fail_if (ret != GST_STATE_CHANGE_SUCCESS, "State change to READY failed");
/* NULL => READY */
{
GstMessage *msg;
GstState old = 0, new = 0;
GstObject *first, *second;
msg = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, GST_SECOND);
fail_if (msg == NULL, "No state change message within 1 second (#201)");
gst_message_parse_state_changed (msg, &old, &new);
first = gst_object_ref (msg->src);
fail_if (first != GST_OBJECT (sink1) && first != GST_OBJECT (sink2),
"sink1 or sink2 should have changed state next #(202)");
gst_message_unref (msg);
msg = gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, GST_SECOND);
fail_if (msg == NULL, "No state change message within 1 second (#201)");
gst_message_parse_state_changed (msg, &old, &new);
second = gst_object_ref (msg->src);
fail_if (second != GST_OBJECT (sink1) && second != GST_OBJECT (sink2),
"sink1 or sink2 should have changed state next #(202)");
gst_message_unref (msg);
fail_if (second == first, "got state change from same object");
gst_object_unref (first);
gst_object_unref (second);
}
ASSERT_STATE_CHANGE_MSG (bus, identity, GST_STATE_NULL, GST_STATE_READY, 203);
ASSERT_STATE_CHANGE_MSG (bus, tee, GST_STATE_NULL, GST_STATE_READY, 204);
ASSERT_STATE_CHANGE_MSG (bus, src, GST_STATE_NULL, GST_STATE_READY, 205);
ASSERT_STATE_CHANGE_MSG (bus, pipeline, GST_STATE_NULL, GST_STATE_READY, 206);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (tee, "tee", 1);
ASSERT_OBJECT_REFCOUNT (identity, "identity", 1);
ASSERT_OBJECT_REFCOUNT (sink1, "sink1", 1);
ASSERT_OBJECT_REFCOUNT (sink2, "sink2", 1);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
ret = gst_element_set_state (pipeline, GST_STATE_NULL);
fail_if (ret != GST_STATE_CHANGE_SUCCESS, "State change to NULL failed");
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (tee, "tee", 1);
ASSERT_OBJECT_REFCOUNT (identity, "identity", 1);
ASSERT_OBJECT_REFCOUNT (sink1, "sink1", 1);
ASSERT_OBJECT_REFCOUNT (sink2, "sink2", 1);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
gst_object_unref (bus);
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_children_state_change_order_flagged_sink);
tcase_add_test (tc_chain, test_children_state_change_order_semi_sink);
tcase_add_test (tc_chain, test_children_state_change_order_two_sink);
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;
}
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