gstreamer/tests/check/gst/gstpad.c
Sebastian Dröge 58cc2ede0a And correct even more valid sparse warnings.
Original commit message from CVS:
* gst/gstelementfactory.h:
* tests/check/elements/fakesink.c:
* tests/check/elements/fakesrc.c: (setup_fakesrc):
* tests/check/elements/fdsrc.c: (setup_fdsrc):
* tests/check/elements/filesink.c: (setup_filesink):
* tests/check/elements/filesrc.c: (setup_filesrc):
* tests/check/elements/identity.c: (setup_identity):
* tests/check/elements/tee.c:
* tests/check/generic/sinks.c:
* tests/check/generic/states.c: (setup), (teardown):
* tests/check/gst/gst.c:
* tests/check/gst/gstabi.c:
* tests/check/gst/gstbin.c:
* tests/check/gst/gstbus.c: (pull_messages):
* tests/check/gst/gstcaps.c:
* tests/check/gst/gstelement.c:
* tests/check/gst/gstevent.c:
* tests/check/gst/gstghostpad.c:
* tests/check/gst/gstiterator.c:
* tests/check/gst/gstmessage.c:
* tests/check/gst/gstminiobject.c: (my_foo_init):
* tests/check/gst/gstobject.c: (thread_name_object),
(gst_object_suite):
* tests/check/gst/gstpad.c:
* tests/check/gst/gstplugin.c:
* tests/check/gst/gstpoll.c:
* tests/check/gst/gstquery.c:
* tests/check/gst/gstsegment.c:
* tests/check/gst/gststructure.c:
* tests/check/gst/gstsystemclock.c:
* tests/check/gst/gsttask.c:
* tests/check/gst/gstutils.c:
* tests/check/gst/gstvalue.c:
* tests/check/gst/struct_hppa.h:
* tests/check/gst/struct_i386.h:
* tests/check/gst/struct_ppc32.h:
* tests/check/gst/struct_ppc64.h:
* tests/check/gst/struct_x86_64.h:
* tests/check/libs/adapter.c: (create_and_fill_adapter):
* tests/check/libs/basesrc.c:
* tests/check/libs/controller.c: (GST_START_TEST):
* tests/check/libs/gdp.c:
* tests/check/libs/gstnetclientclock.c:
* tests/check/libs/gstnettimeprovider.c:
* tests/check/libs/libsabi.c:
* tests/check/libs/struct_hppa.h:
* tests/check/libs/struct_i386.h:
* tests/check/libs/struct_ppc32.h:
* tests/check/libs/struct_ppc64.h:
* tests/check/libs/struct_x86_64.h:
* tests/check/pipelines/cleanup.c:
* tests/check/pipelines/simple-launch-lines.c:
* tests/check/pipelines/stress.c:
And correct even more valid sparse warnings.
* win32/common/libgstreamer.def:
Add gst_poll_fd_init to the list of symbols.
2008-02-29 13:59:24 +00:00

632 lines
17 KiB
C

/* GStreamer
* Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
*
* gstpad.c: Unit test for GstPad
*
* 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>
GST_START_TEST (test_link)
{
GstPad *src, *sink;
GstPadTemplate *srct;
GstPadLinkReturn ret;
gchar *name;
src = gst_pad_new ("source", GST_PAD_SRC);
fail_if (src == NULL);
ASSERT_OBJECT_REFCOUNT (src, "source pad", 1);
name = gst_pad_get_name (src);
fail_unless (strcmp (name, "source") == 0);
ASSERT_OBJECT_REFCOUNT (src, "source pad", 1);
g_free (name);
sink = gst_pad_new ("sink", GST_PAD_SINK);
fail_if (sink == NULL);
/* linking without templates or caps should fail */
ret = gst_pad_link (src, sink);
ASSERT_OBJECT_REFCOUNT (src, "source pad", 1);
ASSERT_OBJECT_REFCOUNT (sink, "sink pad", 1);
fail_unless (ret == GST_PAD_LINK_NOFORMAT);
ASSERT_CRITICAL (gst_pad_get_pad_template (NULL));
srct = gst_pad_get_pad_template (src);
fail_unless (srct == NULL);
ASSERT_OBJECT_REFCOUNT (src, "source pad", 1);
/* clean up */
ASSERT_OBJECT_REFCOUNT (src, "source pad", 1);
gst_object_unref (src);
gst_object_unref (sink);
}
GST_END_TEST;
/* threaded link/unlink */
/* use globals */
static GstPad *src, *sink;
static void
thread_link_unlink (gpointer data)
{
THREAD_START ();
while (THREAD_TEST_RUNNING ()) {
gst_pad_link (src, sink);
gst_pad_unlink (src, sink);
THREAD_SWITCH ();
}
}
GST_START_TEST (test_link_unlink_threaded)
{
GstCaps *caps;
int i;
src = gst_pad_new ("source", GST_PAD_SRC);
fail_if (src == NULL);
sink = gst_pad_new ("sink", GST_PAD_SINK);
fail_if (sink == NULL);
caps = gst_caps_from_string ("foo/bar");
gst_pad_set_caps (src, caps);
gst_pad_set_caps (sink, caps);
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
MAIN_START_THREADS (5, thread_link_unlink, NULL);
for (i = 0; i < 1000; ++i) {
gst_pad_is_linked (src);
gst_pad_is_linked (sink);
THREAD_SWITCH ();
}
MAIN_STOP_THREADS ();
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
gst_caps_unref (caps);
ASSERT_CAPS_REFCOUNT (caps, "caps", 2);
gst_object_unref (src);
gst_object_unref (sink);
}
GST_END_TEST;
GST_START_TEST (test_refcount)
{
GstPad *src, *sink;
GstCaps *caps;
GstPadLinkReturn plr;
sink = gst_pad_new ("sink", GST_PAD_SINK);
fail_if (sink == NULL);
src = gst_pad_new ("src", GST_PAD_SRC);
fail_if (src == NULL);
caps = gst_caps_from_string ("foo/bar");
/* one for me */
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
gst_pad_set_caps (src, caps);
gst_pad_set_caps (sink, caps);
/* one for me and one for each set_caps */
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
plr = gst_pad_link (src, sink);
fail_unless (GST_PAD_LINK_SUCCESSFUL (plr));
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
gst_pad_unlink (src, sink);
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
/* cleanup */
gst_object_unref (src);
gst_object_unref (sink);
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
gst_caps_unref (caps);
}
GST_END_TEST;
GST_START_TEST (test_get_allowed_caps)
{
GstPad *src, *sink;
GstCaps *caps, *gotcaps;
GstBuffer *buffer;
GstPadLinkReturn plr;
ASSERT_CRITICAL (gst_pad_get_allowed_caps (NULL));
buffer = gst_buffer_new ();
ASSERT_CRITICAL (gst_pad_get_allowed_caps ((GstPad *) buffer));
gst_buffer_unref (buffer);
src = gst_pad_new ("src", GST_PAD_SRC);
fail_if (src == NULL);
caps = gst_pad_get_allowed_caps (src);
fail_unless (caps == NULL);
caps = gst_caps_from_string ("foo/bar");
sink = gst_pad_new ("sink", GST_PAD_SINK);
gst_pad_set_caps (src, caps);
gst_pad_set_caps (sink, caps);
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
plr = gst_pad_link (src, sink);
fail_unless (GST_PAD_LINK_SUCCESSFUL (plr));
gotcaps = gst_pad_get_allowed_caps (src);
fail_if (gotcaps == NULL);
fail_unless (gst_caps_is_equal (gotcaps, caps));
ASSERT_CAPS_REFCOUNT (gotcaps, "gotcaps", 1);
gst_caps_unref (gotcaps);
gst_pad_unlink (src, sink);
/* cleanup */
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (sink, "sink", 1);
gst_object_unref (src);
gst_object_unref (sink);
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
gst_caps_unref (caps);
}
GST_END_TEST;
static gboolean
name_is_valid (const gchar * name, GstPadPresence presence)
{
GstPadTemplate *new;
new = gst_pad_template_new (name, GST_PAD_SRC, presence, GST_CAPS_ANY);
if (new) {
gst_object_unref (GST_OBJECT (new));
return TRUE;
}
return FALSE;
}
GST_START_TEST (test_name_is_valid)
{
gboolean result = FALSE;
fail_unless (name_is_valid ("src", GST_PAD_ALWAYS));
ASSERT_WARNING (name_is_valid ("src%", GST_PAD_ALWAYS));
ASSERT_WARNING (result = name_is_valid ("src%d", GST_PAD_ALWAYS));
fail_if (result);
fail_unless (name_is_valid ("src", GST_PAD_REQUEST));
ASSERT_WARNING (name_is_valid ("src%s%s", GST_PAD_REQUEST));
ASSERT_WARNING (name_is_valid ("src%c", GST_PAD_REQUEST));
ASSERT_WARNING (name_is_valid ("src%", GST_PAD_REQUEST));
ASSERT_WARNING (name_is_valid ("src%dsrc", GST_PAD_REQUEST));
fail_unless (name_is_valid ("src", GST_PAD_SOMETIMES));
fail_unless (name_is_valid ("src%c", GST_PAD_SOMETIMES));
}
GST_END_TEST;
static gboolean
_probe_handler (GstPad * pad, GstBuffer * buffer, gpointer userdata)
{
gint ret = GPOINTER_TO_INT (userdata);
if (ret == 1)
return TRUE;
return FALSE;
}
GST_START_TEST (test_push_unlinked)
{
GstPad *src;
GstCaps *caps;
GstBuffer *buffer;
gulong id;
src = gst_pad_new ("src", GST_PAD_SRC);
fail_if (src == NULL);
caps = gst_pad_get_allowed_caps (src);
fail_unless (caps == NULL);
caps = gst_caps_from_string ("foo/bar");
gst_pad_set_caps (src, caps);
ASSERT_CAPS_REFCOUNT (caps, "caps", 2);
/* pushing on an unlinked pad will drop the buffer */
buffer = gst_buffer_new ();
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_NOT_LINKED);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
gst_buffer_unref (buffer);
/* adding a probe that returns FALSE will drop the buffer without trying
* to chain */
id = gst_pad_add_buffer_probe (src, (GCallback) _probe_handler,
GINT_TO_POINTER (0));
buffer = gst_buffer_new ();
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_OK);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
gst_buffer_unref (buffer);
gst_pad_remove_buffer_probe (src, id);
/* adding a probe that returns TRUE will still chain the buffer,
* and hence drop because pad is unlinked */
id = gst_pad_add_buffer_probe (src, (GCallback) _probe_handler,
GINT_TO_POINTER (1));
buffer = gst_buffer_new ();
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_NOT_LINKED);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
gst_buffer_unref (buffer);
gst_pad_remove_buffer_probe (src, id);
/* cleanup */
ASSERT_CAPS_REFCOUNT (caps, "caps", 2);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
gst_object_unref (src);
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
gst_caps_unref (caps);
}
GST_END_TEST;
GST_START_TEST (test_push_linked)
{
GstPad *src, *sink;
GstPadLinkReturn plr;
GstCaps *caps;
GstBuffer *buffer;
gulong id;
/* setup */
sink = gst_pad_new ("sink", GST_PAD_SINK);
fail_if (sink == NULL);
gst_pad_set_chain_function (sink, gst_check_chain_func);
src = gst_pad_new ("src", GST_PAD_SRC);
fail_if (src == NULL);
caps = gst_caps_from_string ("foo/bar");
/* one for me */
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
gst_pad_set_caps (src, caps);
gst_pad_set_caps (sink, caps);
/* one for me and one for each set_caps */
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
plr = gst_pad_link (src, sink);
fail_unless (GST_PAD_LINK_SUCCESSFUL (plr));
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
buffer = gst_buffer_new ();
#if 0
/* FIXME, new pad should be flushing */
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_WRONG_STATE);
gst_buffer_ref (buffer);
fail_unless (gst_pad_chain (sink, buffer) == GST_FLOW_WRONG_STATE);
#endif
/* activate pads */
gst_pad_set_active (src, TRUE);
gst_pad_set_active (sink, TRUE);
/* test */
/* pushing on a linked pad will drop the ref to the buffer */
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_OK);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 2);
gst_buffer_unref (buffer);
fail_unless_equals_int (g_list_length (buffers), 1);
buffer = GST_BUFFER (buffers->data);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
gst_buffer_unref (buffer);
g_list_free (buffers);
buffers = NULL;
/* adding a probe that returns FALSE will drop the buffer without trying
* to chain */
id = gst_pad_add_buffer_probe (src, (GCallback) _probe_handler,
GINT_TO_POINTER (0));
buffer = gst_buffer_new ();
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_OK);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
gst_buffer_unref (buffer);
gst_pad_remove_buffer_probe (src, id);
fail_unless_equals_int (g_list_length (buffers), 0);
/* adding a probe that returns TRUE will still chain the buffer */
id = gst_pad_add_buffer_probe (src, (GCallback) _probe_handler,
GINT_TO_POINTER (1));
buffer = gst_buffer_new ();
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_OK);
gst_pad_remove_buffer_probe (src, id);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 2);
gst_buffer_unref (buffer);
fail_unless_equals_int (g_list_length (buffers), 1);
buffer = GST_BUFFER (buffers->data);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
gst_buffer_unref (buffer);
g_list_free (buffers);
buffers = NULL;
/* teardown */
gst_pad_unlink (src, sink);
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
gst_object_unref (src);
gst_object_unref (sink);
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
gst_caps_unref (caps);
}
GST_END_TEST;
GST_START_TEST (test_flowreturn)
{
GstFlowReturn ret;
GQuark quark;
/* test some of the macros */
ret = GST_FLOW_UNEXPECTED;
fail_unless (GST_FLOW_IS_FATAL (ret));
fail_if (GST_FLOW_IS_SUCCESS (ret));
fail_if (strcmp (gst_flow_get_name (ret), "unexpected"));
quark = gst_flow_to_quark (ret);
fail_if (strcmp (g_quark_to_string (quark), "unexpected"));
ret = GST_FLOW_RESEND;
fail_if (GST_FLOW_IS_FATAL (ret));
fail_unless (GST_FLOW_IS_SUCCESS (ret));
fail_if (strcmp (gst_flow_get_name (ret), "resend"));
quark = gst_flow_to_quark (ret);
fail_if (strcmp (g_quark_to_string (quark), "resend"));
/* custom returns */
ret = GST_FLOW_CUSTOM_SUCCESS;
fail_if (GST_FLOW_IS_FATAL (ret));
fail_unless (GST_FLOW_IS_SUCCESS (ret));
fail_if (strcmp (gst_flow_get_name (ret), "custom-success"));
quark = gst_flow_to_quark (ret);
fail_if (strcmp (g_quark_to_string (quark), "custom-success"));
ret = GST_FLOW_CUSTOM_ERROR;
fail_unless (GST_FLOW_IS_FATAL (ret));
fail_if (GST_FLOW_IS_SUCCESS (ret));
fail_if (strcmp (gst_flow_get_name (ret), "custom-error"));
quark = gst_flow_to_quark (ret);
fail_if (strcmp (g_quark_to_string (quark), "custom-error"));
/* custom returns clamping */
ret = GST_FLOW_CUSTOM_SUCCESS + 2;
fail_if (GST_FLOW_IS_FATAL (ret));
fail_unless (GST_FLOW_IS_SUCCESS (ret));
fail_if (strcmp (gst_flow_get_name (ret), "custom-success"));
quark = gst_flow_to_quark (ret);
fail_if (strcmp (g_quark_to_string (quark), "custom-success"));
ret = GST_FLOW_CUSTOM_ERROR - 2;
fail_unless (GST_FLOW_IS_FATAL (ret));
fail_if (GST_FLOW_IS_SUCCESS (ret));
fail_if (strcmp (gst_flow_get_name (ret), "custom-error"));
quark = gst_flow_to_quark (ret);
fail_if (strcmp (g_quark_to_string (quark), "custom-error"));
/* unknown values */
ret = GST_FLOW_CUSTOM_ERROR + 2;
fail_unless (GST_FLOW_IS_FATAL (ret));
fail_if (GST_FLOW_IS_SUCCESS (ret));
fail_if (strcmp (gst_flow_get_name (ret), "unknown"));
quark = gst_flow_to_quark (ret);
fail_unless (quark == 0);
}
GST_END_TEST;
GST_START_TEST (test_push_negotiation)
{
GstPad *src, *sink;
GstPadLinkReturn plr;
GstPadTemplate *src_template = gst_pad_template_new ("src", GST_PAD_SRC,
GST_PAD_ALWAYS,
gst_caps_from_string ("audio/x-raw-int,width={16,32},depth={16,32}"));
GstPadTemplate *sink_template = gst_pad_template_new ("sink", GST_PAD_SINK,
GST_PAD_ALWAYS,
gst_caps_from_string ("audio/x-raw-int,width=32,depth={16,32}"));
GstCaps *caps;
GstBuffer *buffer;
/* setup */
sink = gst_pad_new_from_template (sink_template, "sink");
fail_if (sink == NULL);
gst_pad_set_chain_function (sink, gst_check_chain_func);
src = gst_pad_new_from_template (src_template, "src");
fail_if (src == NULL);
plr = gst_pad_link (src, sink);
fail_unless (GST_PAD_LINK_SUCCESSFUL (plr));
buffer = gst_buffer_new ();
/* activate pads */
gst_pad_set_active (src, TRUE);
gst_pad_set_active (sink, TRUE);
caps = gst_caps_from_string ("audio/x-raw-int,width=16,depth=16");
/* Should fail if src pad caps are incompatible with sink pad caps */
gst_pad_set_caps (src, caps);
gst_buffer_ref (buffer);
gst_buffer_set_caps (buffer, caps);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_NOT_NEGOTIATED);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
gst_buffer_unref (buffer);
/* teardown */
gst_pad_unlink (src, sink);
gst_object_unref (src);
gst_object_unref (sink);
gst_caps_unref (caps);
gst_object_unref (sink_template);
gst_object_unref (src_template);
}
GST_END_TEST;
/* see that an unref also unlinks the pads */
GST_START_TEST (test_src_unref_unlink)
{
GstPad *src, *sink;
GstCaps *caps;
GstPadLinkReturn plr;
sink = gst_pad_new ("sink", GST_PAD_SINK);
fail_if (sink == NULL);
src = gst_pad_new ("src", GST_PAD_SRC);
fail_if (src == NULL);
caps = gst_caps_from_string ("foo/bar");
gst_pad_set_caps (src, caps);
gst_pad_set_caps (sink, caps);
plr = gst_pad_link (src, sink);
fail_unless (GST_PAD_LINK_SUCCESSFUL (plr));
/* unref the srcpad */
gst_object_unref (src);
/* sink should be unlinked now */
fail_if (gst_pad_is_linked (sink));
/* cleanup */
gst_object_unref (sink);
gst_caps_unref (caps);
}
GST_END_TEST;
/* see that an unref also unlinks the pads */
GST_START_TEST (test_sink_unref_unlink)
{
GstPad *src, *sink;
GstCaps *caps;
GstPadLinkReturn plr;
sink = gst_pad_new ("sink", GST_PAD_SINK);
fail_if (sink == NULL);
src = gst_pad_new ("src", GST_PAD_SRC);
fail_if (src == NULL);
caps = gst_caps_from_string ("foo/bar");
gst_pad_set_caps (src, caps);
gst_pad_set_caps (sink, caps);
plr = gst_pad_link (src, sink);
fail_unless (GST_PAD_LINK_SUCCESSFUL (plr));
/* unref the sinkpad */
gst_object_unref (sink);
/* src should be unlinked now */
fail_if (gst_pad_is_linked (src));
/* cleanup */
gst_object_unref (src);
gst_caps_unref (caps);
}
GST_END_TEST;
/* gst_pad_get_caps should return a copy of the caps */
GST_START_TEST (test_get_caps_must_be_copy)
{
GstPad *pad;
GstCaps *caps;
GstPadTemplate *templ;
caps = gst_caps_new_any ();
templ =
gst_pad_template_new ("test_templ", GST_PAD_SRC, GST_PAD_ALWAYS, caps);
pad = gst_pad_new_from_template (templ, NULL);
fail_unless (GST_PAD_CAPS (pad) == NULL, "caps present on pad");
caps = gst_pad_get_caps (pad);
/* we must own the caps */
ASSERT_OBJECT_REFCOUNT (caps, "caps", 1);
/* cleanup */
gst_caps_unref (caps);
gst_object_unref (pad);
gst_object_unref (templ);
}
GST_END_TEST;
static Suite *
gst_pad_suite (void)
{
Suite *s = suite_create ("GstPad");
TCase *tc_chain = tcase_create ("general");
/* turn off timeout */
tcase_set_timeout (tc_chain, 60);
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_link);
tcase_add_test (tc_chain, test_refcount);
tcase_add_test (tc_chain, test_get_allowed_caps);
tcase_add_test (tc_chain, test_link_unlink_threaded);
tcase_add_test (tc_chain, test_name_is_valid);
tcase_add_test (tc_chain, test_push_unlinked);
tcase_add_test (tc_chain, test_push_linked);
tcase_add_test (tc_chain, test_flowreturn);
tcase_add_test (tc_chain, test_push_negotiation);
tcase_add_test (tc_chain, test_src_unref_unlink);
tcase_add_test (tc_chain, test_sink_unref_unlink);
tcase_add_test (tc_chain, test_get_caps_must_be_copy);
return s;
}
GST_CHECK_MAIN (gst_pad);