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gstreamer/tests/check/gst/gstghostpad.c
Wim Taymans 8bf3884cbb check/gst/gstghostpad.c: Added check for bug #317341 
Original commit message from CVS:
* check/gst/gstghostpad.c: (GST_START_TEST), (gst_ghost_pad_suite):
Added check for bug #317341

* gst/gstbuffer.c:
* gst/gstbuffer.h:
Some more spiffifying.

* gst/gstghostpad.c: (gst_ghost_pad_do_link):
Call peer linkfunction if we are a source pad. Totally fixes
#317341

* gst/gstpad.c:
Update docs, source pads should call the peer linkfunction
so they can atomically perform the pad link.
2005-11-10 09:19:12 +00:00

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/* GStreamer
* Copyright (C) 2005 Wim Taymans <wim@fluendo.com>
*
* gstghostpad.c: Unit test for GstGhostPad
*
* 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>
/* test if removing a bin also cleans up the ghostpads
*/
GST_START_TEST (test_remove1)
{
GstElement *b1, *b2, *src, *sink;
GstPad *srcpad, *sinkpad;
GstPadLinkReturn ret;
b1 = gst_element_factory_make ("pipeline", NULL);
b2 = gst_element_factory_make ("bin", NULL);
src = gst_element_factory_make ("fakesrc", NULL);
sink = gst_element_factory_make ("fakesink", NULL);
fail_unless (gst_bin_add (GST_BIN (b2), sink));
fail_unless (gst_bin_add (GST_BIN (b1), src));
fail_unless (gst_bin_add (GST_BIN (b1), b2));
sinkpad = gst_element_get_pad (sink, "sink");
gst_element_add_pad (b2, gst_ghost_pad_new ("sink", sinkpad));
gst_object_unref (sinkpad);
srcpad = gst_element_get_pad (src, "src");
/* get the ghostpad */
sinkpad = gst_element_get_pad (b2, "sink");
ret = gst_pad_link (srcpad, sinkpad);
fail_unless (ret == GST_PAD_LINK_OK);
gst_object_unref (srcpad);
gst_object_unref (sinkpad);
/* now remove the bin with the ghostpad, b2 is disposed
* now. */
gst_bin_remove (GST_BIN (b1), b2);
srcpad = gst_element_get_pad (src, "src");
/* pad cannot be linked now */
fail_if (gst_pad_is_linked (srcpad));
}
GST_END_TEST;
/* test if removing a bin also cleans up the ghostpads
*/
GST_START_TEST (test_remove2)
{
GstElement *b1, *b2, *src, *sink;
GstPad *srcpad, *sinkpad;
GstPadLinkReturn ret;
b1 = gst_element_factory_make ("pipeline", NULL);
b2 = gst_element_factory_make ("bin", NULL);
src = gst_element_factory_make ("fakesrc", NULL);
sink = gst_element_factory_make ("fakesink", NULL);
fail_unless (gst_bin_add (GST_BIN (b2), sink));
fail_unless (gst_bin_add (GST_BIN (b1), src));
fail_unless (gst_bin_add (GST_BIN (b1), b2));
sinkpad = gst_element_get_pad (sink, "sink");
gst_element_add_pad (b2, gst_ghost_pad_new ("sink", sinkpad));
gst_object_unref (sinkpad);
srcpad = gst_element_get_pad (src, "src");
/* get the ghostpad */
sinkpad = gst_element_get_pad (b2, "sink");
ret = gst_pad_link (srcpad, sinkpad);
fail_unless (ret == GST_PAD_LINK_OK);
gst_object_unref (srcpad);
gst_object_unref (sinkpad);
/* now remove the sink from the bin */
gst_bin_remove (GST_BIN (b2), sink);
srcpad = gst_element_get_pad (src, "src");
/* pad is still linked to ghostpad */
fail_if (!gst_pad_is_linked (srcpad));
}
GST_END_TEST;
#if 0
/* test if a ghost pad without a target can be linked
* It can't because it has incompatible caps...
*/
GST_START_TEST (test_ghost_pad_notarget)
{
GstElement *b1, *b2, *sink;
GstPad *srcpad, *sinkpad;
GstPadLinkReturn ret;
b1 = gst_element_factory_make ("pipeline", NULL);
b2 = gst_element_factory_make ("bin", NULL);
sink = gst_element_factory_make ("fakesink", NULL);
fail_unless (gst_bin_add (GST_BIN (b1), sink));
fail_unless (gst_bin_add (GST_BIN (b1), b2));
srcpad = gst_ghost_pad_new_notarget ("src", GST_PAD_SRC);
fail_unless (srcpad != NULL);
sinkpad = gst_element_get_pad (sink, "sink");
fail_unless (sinkpad != NULL);
ret = gst_pad_link (srcpad, sinkpad);
fail_unless (ret == GST_PAD_LINK_OK);
}
GST_END_TEST;
#endif
/* test if linking fails over different bins using a pipeline
* like this:
*
* fakesrc num_buffers=10 ! ( fakesink )
*
*/
GST_START_TEST (test_link)
{
GstElement *b1, *b2, *src, *sink;
GstPad *srcpad, *sinkpad, *gpad;
GstPadLinkReturn ret;
b1 = gst_element_factory_make ("pipeline", NULL);
b2 = gst_element_factory_make ("bin", NULL);
src = gst_element_factory_make ("fakesrc", NULL);
sink = gst_element_factory_make ("fakesink", NULL);
fail_unless (gst_bin_add (GST_BIN (b2), sink));
fail_unless (gst_bin_add (GST_BIN (b1), src));
fail_unless (gst_bin_add (GST_BIN (b1), b2));
srcpad = gst_element_get_pad (src, "src");
fail_unless (srcpad != NULL);
sinkpad = gst_element_get_pad (sink, "sink");
fail_unless (sinkpad != NULL);
/* linking in different hierarchies should fail */
ret = gst_pad_link (srcpad, sinkpad);
fail_unless (ret == GST_PAD_LINK_WRONG_HIERARCHY);
/* now setup a ghostpad */
gpad = gst_ghost_pad_new ("sink", sinkpad);
gst_object_unref (sinkpad);
/* need to ref as _add_pad takes ownership */
gst_object_ref (gpad);
gst_element_add_pad (b2, gpad);
/* our new sinkpad */
sinkpad = gpad;
/* and linking should work now */
ret = gst_pad_link (srcpad, sinkpad);
fail_unless (ret == GST_PAD_LINK_OK);
}
GST_END_TEST;
/* test if ghostpads are created automagically when using
* gst_element_link_pads.
*
* fakesrc num_buffers=10 ! ( identity ) ! fakesink
*/
GST_START_TEST (test_ghost_pads)
{
GstElement *b1, *b2, *src, *i1, *sink;
GstPad *gsink, *gsrc, *gisrc, *gisink, *isink, *isrc, *fsrc, *fsink;
GstStateChangeReturn ret;
b1 = gst_element_factory_make ("pipeline", NULL);
b2 = gst_element_factory_make ("bin", NULL);
src = gst_element_factory_make ("fakesrc", NULL);
g_object_set (src, "num-buffers", (int) 10, NULL);
i1 = gst_element_factory_make ("identity", NULL);
sink = gst_element_factory_make ("fakesink", NULL);
fail_unless (gst_bin_add (GST_BIN (b2), i1));
fail_unless (gst_bin_add (GST_BIN (b1), src));
fail_unless (gst_bin_add (GST_BIN (b1), b2));
fail_unless (gst_bin_add (GST_BIN (b1), sink));
fail_unless (gst_element_link_pads (src, NULL, i1, NULL));
fail_unless (gst_element_link_pads (i1, NULL, sink, NULL));
GST_LOCK (b2);
fail_unless (b2->numsinkpads == 1);
fail_unless (GST_IS_GHOST_PAD (b2->sinkpads->data));
fail_unless (b2->numsrcpads == 1);
fail_unless (GST_IS_GHOST_PAD (b2->srcpads->data));
GST_UNLOCK (b2);
fsrc = gst_element_get_pad (src, "src");
fail_unless (fsrc != NULL);
gsink = GST_PAD (gst_object_ref (b2->sinkpads->data));
fail_unless (gsink != NULL);
gsrc = GST_PAD (gst_object_ref (b2->srcpads->data));
fail_unless (gsrc != NULL);
fsink = gst_element_get_pad (sink, "sink");
fail_unless (fsink != NULL);
isink = gst_element_get_pad (i1, "sink");
fail_unless (isink != NULL);
isrc = gst_element_get_pad (i1, "src");
fail_unless (isrc != NULL);
gisrc = gst_pad_get_peer (isink);
fail_unless (gisrc != NULL);
gisink = gst_pad_get_peer (isrc);
fail_unless (gisink != NULL);
/* all objects above have one refcount owned by us as well */
ASSERT_OBJECT_REFCOUNT (fsrc, "fsrc", 3); /* parent and gisrc */
ASSERT_OBJECT_REFCOUNT (gsink, "gsink", 2); /* parent */
ASSERT_OBJECT_REFCOUNT (gsrc, "gsrc", 2); /* parent */
ASSERT_OBJECT_REFCOUNT (fsink, "fsink", 3); /* parent and gisink */
ASSERT_OBJECT_REFCOUNT (gisrc, "gisrc", 2); /* parent */
ASSERT_OBJECT_REFCOUNT (isink, "isink", 3); /* parent and gsink */
ASSERT_OBJECT_REFCOUNT (gisink, "gisink", 2); /* parent */
ASSERT_OBJECT_REFCOUNT (isrc, "isrc", 3); /* parent and gsrc */
ret = gst_element_set_state (b1, GST_STATE_PLAYING);
ret = gst_element_get_state (b1, NULL, NULL, GST_CLOCK_TIME_NONE);
fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
ret = gst_element_set_state (b1, GST_STATE_NULL);
ret = gst_element_get_state (b1, NULL, NULL, GST_CLOCK_TIME_NONE);
fail_unless (ret == GST_STATE_CHANGE_SUCCESS);
gst_object_unref (b1);
/* unreffing the bin will unref all elements, which will unlink and unparent
* all pads */
/* wait for thread to settle down */
while (GST_OBJECT_REFCOUNT_VALUE (fsrc) > 2)
THREAD_SWITCH ();
ASSERT_OBJECT_REFCOUNT (fsrc, "fsrc", 2); /* gisrc */
ASSERT_OBJECT_REFCOUNT (gsink, "gsink", 1);
ASSERT_OBJECT_REFCOUNT (gsrc, "gsink", 1);
ASSERT_OBJECT_REFCOUNT (fsink, "fsink", 2); /* gisink */
ASSERT_OBJECT_REFCOUNT (gisrc, "gisrc", 1); /* gsink */
ASSERT_OBJECT_REFCOUNT (isink, "isink", 2); /* gsink */
ASSERT_OBJECT_REFCOUNT (gisink, "gisink", 1); /* gsrc */
ASSERT_OBJECT_REFCOUNT (isrc, "isrc", 2); /* gsrc */
gst_object_unref (gsink);
ASSERT_OBJECT_REFCOUNT (isink, "isink", 1);
ASSERT_OBJECT_REFCOUNT (gisrc, "gisrc", 1);
ASSERT_OBJECT_REFCOUNT (fsrc, "fsrc", 2); /* gisrc */
gst_object_unref (gisrc);
ASSERT_OBJECT_REFCOUNT (fsrc, "fsrc", 1);
gst_object_unref (gsrc);
ASSERT_OBJECT_REFCOUNT (isrc, "isrc", 1);
ASSERT_OBJECT_REFCOUNT (gisink, "gisink", 1);
ASSERT_OBJECT_REFCOUNT (fsink, "fsink", 2); /* gisrc */
gst_object_unref (gisink);
ASSERT_OBJECT_REFCOUNT (fsink, "fsink", 1);
gst_object_unref (fsrc);
gst_object_unref (isrc);
gst_object_unref (isink);
gst_object_unref (fsink);
}
GST_END_TEST;
GST_START_TEST (test_ghost_pads_bin)
{
GstBin *pipeline;
GstBin *srcbin;
GstBin *sinkbin;
GstElement *src;
GstElement *sink;
GstPad *srcghost;
GstPad *sinkghost;
pipeline = GST_BIN (gst_pipeline_new ("pipe"));
srcbin = GST_BIN (gst_bin_new ("srcbin"));
gst_bin_add (pipeline, GST_ELEMENT (srcbin));
sinkbin = GST_BIN (gst_bin_new ("sinkbin"));
gst_bin_add (pipeline, GST_ELEMENT (sinkbin));
src = gst_element_factory_make ("fakesrc", "src");
gst_bin_add (srcbin, src);
srcghost = gst_ghost_pad_new ("src", gst_element_get_pad (src, "src"));
gst_element_add_pad (GST_ELEMENT (srcbin), srcghost);
sink = gst_element_factory_make ("fakesink", "sink");
gst_bin_add (sinkbin, sink);
sinkghost = gst_ghost_pad_new ("sink", gst_element_get_pad (sink, "sink"));
gst_element_add_pad (GST_ELEMENT (sinkbin), sinkghost);
gst_element_link (GST_ELEMENT (srcbin), GST_ELEMENT (sinkbin));
fail_unless (GST_PAD_PEER (srcghost) != NULL);
fail_unless (GST_PAD_PEER (sinkghost) != NULL);
fail_unless (GST_PAD_PEER (gst_ghost_pad_get_target (GST_GHOST_PAD
(srcghost))) != NULL);
fail_unless (GST_PAD_PEER (gst_ghost_pad_get_target (GST_GHOST_PAD
(sinkghost))) != NULL);
}
GST_END_TEST;
Suite *
gst_ghost_pad_suite (void)
{
Suite *s = suite_create ("GstGhostPad");
TCase *tc_chain = tcase_create ("ghost pad tests");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_remove1);
tcase_add_test (tc_chain, test_remove2);
tcase_add_test (tc_chain, test_link);
tcase_add_test (tc_chain, test_ghost_pads);
tcase_add_test (tc_chain, test_ghost_pads_bin);
/* tcase_add_test (tc_chain, test_ghost_pad_notarget); */
return s;
}
int
main (int argc, char **argv)
{
int nf;
Suite *s = gst_ghost_pad_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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