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gstreamer/tests/check/gst/gstghostpad.c
Wim Taymans ae76b3d606 do not call the unlink function on the target pad when the ghostpad 
is unlinked.
Add some unit tests for this behaviour.
Fixes #566936.
2009-01-21 12:21:49 +01:00

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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);
ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1);
ASSERT_OBJECT_REFCOUNT (b2, "bin", 1);
fail_unless (gst_bin_add (GST_BIN (b2), sink));
fail_unless (gst_bin_add (GST_BIN (b1), src));
ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1);
ASSERT_OBJECT_REFCOUNT (b2, "bin", 1);
fail_unless (gst_bin_add (GST_BIN (b1), b2));
ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1);
ASSERT_OBJECT_REFCOUNT (b2, "bin", 1);
sinkpad = gst_element_get_static_pad (sink, "sink");
gst_element_add_pad (b2, gst_ghost_pad_new ("sink", sinkpad));
gst_object_unref (sinkpad);
srcpad = gst_element_get_static_pad (src, "src");
/* get the ghostpad */
sinkpad = gst_element_get_static_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. */
ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1);
ASSERT_OBJECT_REFCOUNT (b2, "bin", 1);
gst_bin_remove (GST_BIN (b1), b2);
srcpad = gst_element_get_static_pad (src, "src");
/* pad cannot be linked now */
fail_if (gst_pad_is_linked (srcpad));
gst_object_unref (srcpad);
ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1);
gst_object_unref (b1);
}
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);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
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));
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
sinkpad = gst_element_get_static_pad (sink, "sink");
gst_element_add_pad (b2, gst_ghost_pad_new ("sink", sinkpad));
gst_object_unref (sinkpad);
srcpad = gst_element_get_static_pad (src, "src");
ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 2); /* since we got one */
/* get the ghostpad */
sinkpad = gst_element_get_static_pad (b2, "sink");
ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2); /* since we got one */
GST_DEBUG ("linking srcpad and sinkpad");
ret = gst_pad_link (srcpad, sinkpad);
GST_DEBUG ("linked srcpad and sinkpad");
fail_unless (ret == GST_PAD_LINK_OK);
/* the linking causes a proxypad to be created for srcpad,
* to which sinkpad gets linked. This proxypad has a ref to srcpad */
ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 3);
ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2);
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_static_pad (src, "src");
/* pad is still linked to ghostpad */
fail_if (!gst_pad_is_linked (srcpad));
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 3);
gst_object_unref (srcpad);
ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 1);
/* cleanup */
/* now unlink the pads */
gst_pad_unlink (srcpad, sinkpad);
ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 1); /* proxy has dropped ref */
ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 1);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (b2, "bin", 1);
/* remove b2 from b1 */
gst_bin_remove (GST_BIN (b1), b2);
/* flush the message, dropping the b1 refcount to 1 */
gst_element_set_state (b1, GST_STATE_READY);
gst_element_set_state (b1, GST_STATE_NULL);
ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1);
gst_object_unref (b1);
}
GST_END_TEST;
/* test if a ghost pad without a target can be linked and
* unlinked. An untargeted ghostpad has a default ANY caps unless there
* is a padtemplate that says something else.
*/
GST_START_TEST (test_ghost_pads_notarget)
{
GstElement *b1, *b2, *sink;
GstPad *srcpad, *sinkpad, *peer;
GstPadLinkReturn ret;
gboolean bret;
GstBus *bus;
GstCaps *caps;
b1 = gst_element_factory_make ("pipeline", NULL);
/* make sure all messages are discarded */
bus = gst_pipeline_get_bus (GST_PIPELINE (b1));
gst_bus_set_flushing (bus, TRUE);
gst_object_unref (bus);
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_no_target ("src", GST_PAD_SRC);
fail_unless (srcpad != NULL);
sinkpad = gst_element_get_static_pad (sink, "sink");
fail_unless (sinkpad != NULL);
ret = gst_pad_link (srcpad, sinkpad);
fail_unless (ret == GST_PAD_LINK_OK);
/* check if the peers are ok */
peer = gst_pad_get_peer (srcpad);
fail_unless (peer == sinkpad);
gst_object_unref (peer);
peer = gst_pad_get_peer (sinkpad);
fail_unless (peer == srcpad);
gst_object_unref (peer);
/* check caps, untargetted pad should return ANY or the padtemplate caps
* when it was created from a template */
caps = gst_pad_get_caps (srcpad);
fail_unless (gst_caps_is_any (caps));
gst_caps_unref (caps);
/* unlink */
bret = gst_pad_unlink (srcpad, sinkpad);
fail_unless (bret == TRUE);
/* cleanup */
gst_object_unref (srcpad);
gst_object_unref (sinkpad);
gst_object_unref (b1);
}
GST_END_TEST;
/* 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_static_pad (src, "src");
fail_unless (srcpad != NULL);
sinkpad = gst_element_get_static_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);
/* flush the message, dropping the b1 refcount to 1 */
gst_element_set_state (b1, GST_STATE_READY);
gst_element_set_state (b1, GST_STATE_NULL);
ASSERT_OBJECT_REFCOUNT (b1, "pipeline", 1);
gst_object_unref (srcpad);
gst_object_unref (sinkpad);
gst_object_unref (b1);
}
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_OBJECT_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_OBJECT_UNLOCK (b2);
fsrc = gst_element_get_static_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_static_pad (sink, "sink");
fail_unless (fsink != NULL);
isink = gst_element_get_static_pad (i1, "sink");
fail_unless (isink != NULL);
isrc = gst_element_get_static_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", 1);
ASSERT_OBJECT_REFCOUNT (gsink, "gsink", 1);
ASSERT_OBJECT_REFCOUNT (gsrc, "gsink", 1);
ASSERT_OBJECT_REFCOUNT (fsink, "fsink", 1);
ASSERT_OBJECT_REFCOUNT (gisrc, "gisrc", 2); /* gsink */
ASSERT_OBJECT_REFCOUNT (isink, "isink", 2); /* gsink */
ASSERT_OBJECT_REFCOUNT (gisink, "gisink", 2); /* 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", 1);
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", 1);
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 *srcpad, *srcghost, *target;
GstPad *sinkpad, *sinkghost;
pipeline = GST_BIN (gst_pipeline_new ("pipe"));
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
srcbin = GST_BIN (gst_bin_new ("srcbin"));
gst_bin_add (pipeline, GST_ELEMENT (srcbin));
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
sinkbin = GST_BIN (gst_bin_new ("sinkbin"));
gst_bin_add (pipeline, GST_ELEMENT (sinkbin));
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
src = gst_element_factory_make ("fakesrc", "src");
gst_bin_add (srcbin, src);
srcpad = gst_element_get_static_pad (src, "src");
srcghost = gst_ghost_pad_new ("src", srcpad);
gst_object_unref (srcpad);
gst_element_add_pad (GST_ELEMENT (srcbin), srcghost);
sink = gst_element_factory_make ("fakesink", "sink");
gst_bin_add (sinkbin, sink);
sinkpad = gst_element_get_static_pad (sink, "sink");
sinkghost = gst_ghost_pad_new ("sink", sinkpad);
gst_object_unref (sinkpad);
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);
target = gst_ghost_pad_get_target (GST_GHOST_PAD (srcghost));
fail_unless (GST_PAD_PEER (target) != NULL);
gst_object_unref (target);
target = gst_ghost_pad_get_target (GST_GHOST_PAD (sinkghost));
fail_unless (GST_PAD_PEER (target) != NULL);
gst_object_unref (target);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
gst_object_unref (pipeline);
}
GST_END_TEST;
typedef struct
{
GMutex *mutex;
GCond *cond;
} BlockData;
static void
block_callback (GstPad * pad, gboolean blocked, gpointer user_data)
{
BlockData *block_data = (BlockData *) user_data;
g_mutex_lock (block_data->mutex);
GST_DEBUG ("blocked\n");
g_cond_signal (block_data->cond);
g_mutex_unlock (block_data->mutex);
}
GST_START_TEST (test_ghost_pads_block)
{
GstBin *pipeline;
GstBin *srcbin;
GstElement *src;
GstPad *srcpad;
GstPad *srcghost;
BlockData block_data;
pipeline = GST_BIN (gst_pipeline_new ("pipeline"));
srcbin = GST_BIN (gst_bin_new ("srcbin"));
gst_bin_add (pipeline, GST_ELEMENT (srcbin));
src = gst_element_factory_make ("fakesrc", "src");
gst_bin_add (srcbin, src);
srcpad = gst_element_get_static_pad (src, "src");
srcghost = gst_ghost_pad_new ("src", srcpad);
gst_element_add_pad (GST_ELEMENT (srcbin), srcghost);
gst_object_unref (srcpad);
block_data.mutex = g_mutex_new ();
block_data.cond = g_cond_new ();
g_mutex_lock (block_data.mutex);
gst_pad_set_blocked_async (srcghost, TRUE, block_callback, &block_data);
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
/* and wait now */
g_cond_wait (block_data.cond, block_data.mutex);
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
g_mutex_unlock (block_data.mutex);
g_mutex_free (block_data.mutex);
g_cond_free (block_data.cond);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
gst_object_unref (pipeline);
}
GST_END_TEST;
GST_START_TEST (test_ghost_pads_probes)
{
GstBin *pipeline;
GstBin *srcbin;
GstElement *src;
GstPad *srcpad;
GstPad *srcghost;
BlockData block_data;
pipeline = GST_BIN (gst_pipeline_new ("pipeline"));
srcbin = GST_BIN (gst_bin_new ("srcbin"));
gst_bin_add (pipeline, GST_ELEMENT (srcbin));
src = gst_element_factory_make ("fakesrc", "src");
gst_bin_add (srcbin, src);
srcpad = gst_element_get_static_pad (src, "src");
srcghost = gst_ghost_pad_new ("src", srcpad);
gst_element_add_pad (GST_ELEMENT (srcbin), srcghost);
gst_object_unref (srcpad);
block_data.mutex = g_mutex_new ();
block_data.cond = g_cond_new ();
g_mutex_lock (block_data.mutex);
gst_pad_set_blocked_async (srcghost, TRUE, block_callback, &block_data);
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
/* and wait now */
g_cond_wait (block_data.cond, block_data.mutex);
gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_NULL);
g_mutex_unlock (block_data.mutex);
g_mutex_free (block_data.mutex);
g_cond_free (block_data.cond);
ASSERT_OBJECT_REFCOUNT (pipeline, "pipeline", 1);
gst_object_unref (pipeline);
}
GST_END_TEST;
GST_START_TEST (test_ghost_pads_new_from_template)
{
GstPad *sinkpad, *ghostpad;
GstPadTemplate *padtempl, *ghosttempl;
GstCaps *padcaps, *ghostcaps, *newcaps;
GstCaps *copypadcaps;
padcaps = gst_caps_from_string ("some/caps");
fail_unless (padcaps != NULL);
ghostcaps = gst_caps_from_string ("some/caps;some/other-caps");
fail_unless (ghostcaps != NULL);
copypadcaps = gst_caps_copy (padcaps);
padtempl = gst_pad_template_new ("padtempl", GST_PAD_SINK,
GST_PAD_ALWAYS, copypadcaps);
fail_unless (padtempl != NULL);
ghosttempl = gst_pad_template_new ("ghosttempl", GST_PAD_SINK,
GST_PAD_ALWAYS, ghostcaps);
/* FIXME : We should not have to unref those caps, but due to
* a bug in gst_pad_template_new() not stealing the refcount of
* the given caps we have to. */
gst_caps_unref (ghostcaps);
gst_caps_unref (copypadcaps);
sinkpad = gst_pad_new_from_template (padtempl, "sinkpad");
fail_unless (sinkpad != NULL);
ghostpad = gst_ghost_pad_new_from_template ("ghostpad", sinkpad, ghosttempl);
fail_unless (ghostpad != NULL);
/* check template is properly set */
fail_unless (GST_PAD_PAD_TEMPLATE (ghostpad) == ghosttempl);
/* check ghostpad caps are from the sinkpad */
newcaps = gst_pad_get_caps (ghostpad);
fail_unless (newcaps != NULL);
fail_unless (gst_caps_is_equal (newcaps, padcaps));
gst_caps_unref (newcaps);
gst_caps_unref (padcaps);
gst_object_unref (sinkpad);
gst_object_unref (ghostpad);
gst_object_unref (padtempl);
gst_object_unref (ghosttempl);
}
GST_END_TEST;
GST_START_TEST (test_ghost_pads_new_no_target_from_template)
{
GstPad *sinkpad, *ghostpad;
GstPadTemplate *padtempl, *ghosttempl;
GstCaps *padcaps, *ghostcaps, *newcaps;
GstCaps *copypadcaps, *copyghostcaps;
padcaps = gst_caps_from_string ("some/caps");
fail_unless (padcaps != NULL);
ghostcaps = gst_caps_from_string ("some/caps;some/other-caps");
fail_unless (ghostcaps != NULL);
copypadcaps = gst_caps_copy (padcaps);
copyghostcaps = gst_caps_copy (ghostcaps);
padtempl = gst_pad_template_new ("padtempl", GST_PAD_SINK,
GST_PAD_ALWAYS, copypadcaps);
fail_unless (padtempl != NULL);
ghosttempl = gst_pad_template_new ("ghosttempl", GST_PAD_SINK,
GST_PAD_ALWAYS, copyghostcaps);
/* FIXME : We should not have to unref those caps, but due to
* a bug in gst_pad_template_new() not stealing the refcount of
* the given caps we have to. */
gst_caps_unref (copyghostcaps);
gst_caps_unref (copypadcaps);
sinkpad = gst_pad_new_from_template (padtempl, "sinkpad");
fail_unless (sinkpad != NULL);
ghostpad = gst_ghost_pad_new_no_target_from_template ("ghostpad", ghosttempl);
fail_unless (ghostpad != NULL);
/* check template is properly set */
fail_unless (GST_PAD_PAD_TEMPLATE (ghostpad) == ghosttempl);
/* check ghostpad caps are from the ghostpad template */
newcaps = gst_pad_get_caps (ghostpad);
fail_unless (newcaps != NULL);
fail_unless (gst_caps_is_equal (newcaps, ghostcaps));
gst_caps_unref (newcaps);
fail_unless (gst_ghost_pad_set_target ((GstGhostPad *) ghostpad, sinkpad));
/* check ghostpad caps are now from the target pad */
newcaps = gst_pad_get_caps (ghostpad);
fail_unless (newcaps != NULL);
fail_unless (gst_caps_is_equal (newcaps, padcaps));
gst_caps_unref (newcaps);
gst_object_unref (sinkpad);
gst_object_unref (ghostpad);
gst_object_unref (padtempl);
gst_object_unref (ghosttempl);
gst_caps_unref (padcaps);
gst_caps_unref (ghostcaps);
}
GST_END_TEST;
static void
ghost_notify_caps (GObject * object, GParamSpec * pspec, gpointer * user_data)
{
GST_DEBUG ("caps notify called");
(*(gint *) user_data)++;
}
GST_START_TEST (test_ghost_pads_forward_setcaps)
{
GstCaps *templ_caps, *caps1, *caps2;
GstPadTemplate *src_template, *sink_template;
GstPad *src, *ghost, *sink;
gint notify_counter = 0;
templ_caps = gst_caps_from_string ("meh; muh");
src_template = gst_pad_template_new ("src", GST_PAD_SRC,
GST_PAD_ALWAYS, templ_caps);
sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
GST_PAD_ALWAYS, templ_caps);
gst_caps_unref (templ_caps);
src = gst_pad_new_from_template (src_template, "src");
sink = gst_pad_new_from_template (sink_template, "sink");
/* ghost source pad, setting caps on the source influences the caps of the
* ghostpad. */
ghost = gst_ghost_pad_new ("ghostsrc", src);
g_signal_connect (ghost, "notify::caps",
G_CALLBACK (ghost_notify_caps), &notify_counter);
fail_unless (gst_pad_link (ghost, sink) == GST_PAD_LINK_OK);
caps1 = gst_caps_from_string ("meh");
fail_unless (gst_pad_set_caps (src, caps1));
caps2 = GST_PAD_CAPS (ghost);
fail_unless (gst_caps_is_equal (caps1, caps2));
fail_unless_equals_int (notify_counter, 1);
gst_object_unref (ghost);
gst_caps_unref (caps1);
fail_unless (gst_pad_set_caps (src, NULL));
/* source 2, setting the caps on the ghostpad does not influence the caps of
* the target */
notify_counter = 0;
ghost = gst_ghost_pad_new ("ghostsrc", src);
g_signal_connect (ghost, "notify::caps",
G_CALLBACK (ghost_notify_caps), &notify_counter);
fail_unless (gst_pad_link (ghost, sink) == GST_PAD_LINK_OK);
caps1 = gst_caps_from_string ("meh");
fail_unless (gst_pad_set_caps (ghost, caps1));
caps2 = GST_PAD_CAPS (src);
fail_unless (caps2 == NULL);
fail_unless_equals_int (notify_counter, 1);
gst_object_unref (ghost);
gst_caps_unref (caps1);
/* ghost sink pad. Setting caps on the ghostpad will also set those caps on
* the target pad. */
notify_counter = 0;
ghost = gst_ghost_pad_new ("ghostsink", sink);
g_signal_connect (ghost, "notify::caps",
G_CALLBACK (ghost_notify_caps), &notify_counter);
fail_unless (gst_pad_link (src, ghost) == GST_PAD_LINK_OK);
caps1 = gst_caps_from_string ("muh");
fail_unless (gst_pad_set_caps (ghost, caps1));
caps2 = GST_PAD_CAPS (sink);
fail_unless (gst_caps_is_equal (caps1, caps2));
fail_unless_equals_int (notify_counter, 1);
gst_object_unref (ghost);
gst_caps_unref (caps1);
/* sink pad 2, setting caps just on the target pad should not influence the caps
* on the ghostpad. */
notify_counter = 0;
ghost = gst_ghost_pad_new ("ghostsink", sink);
g_signal_connect (ghost, "notify::caps",
G_CALLBACK (ghost_notify_caps), &notify_counter);
fail_unless (gst_pad_link (src, ghost) == GST_PAD_LINK_OK);
caps1 = gst_caps_from_string ("muh");
fail_unless (gst_pad_set_caps (sink, caps1));
caps2 = GST_PAD_CAPS (ghost);
fail_unless (caps2 == NULL);
fail_unless_equals_int (notify_counter, 0);
gst_object_unref (ghost);
gst_caps_unref (caps1);
gst_object_unref (src);
gst_object_unref (sink);
gst_object_unref (src_template);
gst_object_unref (sink_template);
}
GST_END_TEST;
static gint linked_count1;
static gint unlinked_count1;
static gint linked_count2;
static gint unlinked_count2;
static GstPadLinkReturn
pad_linked1 (GstPad *pad, GstPad *peer)
{
linked_count1++;
return GST_PAD_LINK_OK;
}
static void
pad_unlinked1 (GstPad *pad)
{
unlinked_count1++;
}
static GstPadLinkReturn
pad_linked2 (GstPad *pad, GstPad *peer)
{
linked_count2++;
return GST_PAD_LINK_OK;
}
static void
pad_unlinked2 (GstPad *pad)
{
unlinked_count2++;
}
GST_START_TEST (test_ghost_pads_sink_link_unlink)
{
GstCaps *padcaps;
GstPad *srcpad, *sinkpad, *ghostpad;
GstPadTemplate *srctempl, *sinktempl;
GstPadLinkReturn ret;
gboolean res;
padcaps = gst_caps_from_string ("some/caps");
fail_unless (padcaps != NULL);
srctempl = gst_pad_template_new ("srctempl", GST_PAD_SRC,
GST_PAD_ALWAYS, padcaps);
sinktempl = gst_pad_template_new ("sinktempl", GST_PAD_SINK,
GST_PAD_ALWAYS, padcaps);
gst_caps_unref (padcaps);
srcpad = gst_pad_new_from_template (srctempl, "src");
fail_unless (srcpad != NULL);
sinkpad = gst_pad_new_from_template (sinktempl, "sink");
fail_unless (sinkpad != NULL);
/* set up link/unlink functions for the pad */
linked_count1 = unlinked_count1 = 0;
gst_pad_set_link_function (sinkpad, pad_linked1);
gst_pad_set_unlink_function (sinkpad, pad_unlinked1);
linked_count2 = unlinked_count2 = 0;
gst_pad_set_link_function (srcpad, pad_linked2);
gst_pad_set_unlink_function (srcpad, pad_unlinked2);
/* this should trigger a link from the internal pad to the sinkpad */
ghostpad = gst_ghost_pad_new ("ghostpad", sinkpad);
fail_unless (ghostpad != NULL);
fail_unless (linked_count1 == 1);
fail_unless (unlinked_count1 == 0);
fail_unless (linked_count2 == 0);
fail_unless (unlinked_count2 == 0);
/* this should not trigger anything because we are not directly
* linking/unlinking the sink pad. */
ret = gst_pad_link (srcpad, ghostpad);
fail_unless (ret == GST_PAD_LINK_OK);
fail_unless (linked_count1 == 1);
fail_unless (unlinked_count1 == 0);
fail_unless (linked_count2 == 1);
fail_unless (unlinked_count2 == 0);
res = gst_pad_unlink (srcpad, ghostpad);
fail_unless (res == TRUE);
fail_unless (linked_count1 == 1);
fail_unless (unlinked_count1 == 0);
fail_unless (linked_count2 == 1);
fail_unless (unlinked_count2 == 1);
/* this should trigger the unlink */
res = gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (ghostpad), NULL);
fail_unless (res == TRUE);
fail_unless (linked_count1 == 1);
fail_unless (unlinked_count1 == 1);
fail_unless (linked_count2 == 1);
fail_unless (unlinked_count2 == 1);
gst_object_unref (ghostpad);
gst_object_unref (sinkpad);
gst_object_unref (srcpad);
gst_object_unref (srctempl);
gst_object_unref (sinktempl);
}
GST_END_TEST;
GST_START_TEST (test_ghost_pads_src_link_unlink)
{
GstCaps *padcaps;
GstPad *srcpad, *sinkpad, *ghostpad, *dummy;
GstPadTemplate *srctempl, *sinktempl;
GstPadLinkReturn ret;
gboolean res;
padcaps = gst_caps_from_string ("some/caps");
fail_unless (padcaps != NULL);
srctempl = gst_pad_template_new ("srctempl", GST_PAD_SRC,
GST_PAD_ALWAYS, padcaps);
sinktempl = gst_pad_template_new ("sinktempl", GST_PAD_SINK,
GST_PAD_ALWAYS, padcaps);
gst_caps_unref (padcaps);
srcpad = gst_pad_new_from_template (srctempl, "src");
fail_unless (srcpad != NULL);
sinkpad = gst_pad_new_from_template (sinktempl, "sink");
fail_unless (sinkpad != NULL);
/* set up link/unlink functions for the pad */
linked_count1 = unlinked_count1 = 0;
gst_pad_set_link_function (srcpad, pad_linked1);
gst_pad_set_unlink_function (srcpad, pad_unlinked1);
linked_count2 = unlinked_count2 = 0;
gst_pad_set_link_function (sinkpad, pad_linked2);
gst_pad_set_unlink_function (sinkpad, pad_unlinked2);
/* this should trigger a link from the internal pad to the srcpad */
ghostpad = gst_ghost_pad_new ("ghostpad", srcpad);
fail_unless (ghostpad != NULL);
fail_unless (linked_count1 == 1);
fail_unless (unlinked_count1 == 0);
fail_unless (linked_count2 == 0);
fail_unless (unlinked_count2 == 0);
/* this should fail with a critial */
ASSERT_CRITICAL (dummy = gst_ghost_pad_new ("ghostpad", srcpad));
fail_unless (dummy == NULL);
fail_unless (linked_count1 == 1);
fail_unless (unlinked_count1 == 0);
fail_unless (linked_count2 == 0);
fail_unless (unlinked_count2 == 0);
/* this should not trigger anything because we are not directly
* linking/unlinking the src pad. */
ret = gst_pad_link (ghostpad, sinkpad);
fail_unless (ret == GST_PAD_LINK_OK);
fail_unless (linked_count1 == 1);
fail_unless (unlinked_count1 == 0);
fail_unless (linked_count2 == 1);
fail_unless (unlinked_count2 == 0);
/* this link should fail because we are already linked. Let's make sure the
* link functions are not called */
ret = gst_pad_link (ghostpad, sinkpad);
fail_unless (ret == GST_PAD_LINK_WAS_LINKED);
fail_unless (linked_count1 == 1);
fail_unless (unlinked_count1 == 0);
fail_unless (linked_count2 == 1);
fail_unless (unlinked_count2 == 0);
res = gst_pad_unlink (ghostpad, sinkpad);
fail_unless (res == TRUE);
fail_unless (linked_count1 == 1);
fail_unless (unlinked_count1 == 0);
fail_unless (linked_count2 == 1);
fail_unless (unlinked_count2 == 1);
res = gst_pad_unlink (ghostpad, sinkpad);
fail_unless (res == FALSE);
fail_unless (linked_count1 == 1);
fail_unless (unlinked_count1 == 0);
fail_unless (linked_count2 == 1);
fail_unless (unlinked_count2 == 1);
/* this should trigger the unlink function */
res = gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (ghostpad), NULL);
fail_unless (res == TRUE);
fail_unless (linked_count1 == 1);
fail_unless (unlinked_count1 == 1);
fail_unless (linked_count2 == 1);
fail_unless (unlinked_count2 == 1);
/* and this the link function again */
res = gst_ghost_pad_set_target (GST_GHOST_PAD_CAST (ghostpad), srcpad);
fail_unless (res == TRUE);
fail_unless (linked_count1 == 2);
fail_unless (unlinked_count1 == 1);
fail_unless (linked_count2 == 1);
fail_unless (unlinked_count2 == 1);
gst_object_unref (ghostpad);
gst_object_unref (sinkpad);
gst_object_unref (srcpad);
gst_object_unref (srctempl);
gst_object_unref (sinktempl);
}
GST_END_TEST;
static 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_pads_notarget);
tcase_add_test (tc_chain, test_ghost_pads_block);
tcase_add_test (tc_chain, test_ghost_pads_probes);
tcase_add_test (tc_chain, test_ghost_pads_new_from_template);
tcase_add_test (tc_chain, test_ghost_pads_new_no_target_from_template);
tcase_add_test (tc_chain, test_ghost_pads_forward_setcaps);
tcase_add_test (tc_chain, test_ghost_pads_sink_link_unlink);
tcase_add_test (tc_chain, test_ghost_pads_src_link_unlink);
return s;
}
GST_CHECK_MAIN (gst_ghost_pad);
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