gstreamer/tests/check/elements/identity.c

212 lines
6 KiB
C
Raw Normal View History

/* GStreamer
*
* unit test for identity
*
* Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
*
* 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 <unistd.h>
#include <gst/check/gstcheck.h>
GList *buffers = NULL;
gboolean have_eos = FALSE;
/* For ease of programming we use globals to keep refs for our floating
* src and sink pads we create; otherwise we always have to do get_pad,
* get_peer, and then remove references in every test function */
GstPad *mysrcpad, *mysinkpad;
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
GstFlowReturn
chain_func (GstPad * pad, GstBuffer * buffer)
{
GST_DEBUG ("chain_func: received buffer %p", buffer);
buffers = g_list_append (buffers, buffer);
return GST_FLOW_OK;
}
gboolean
event_func (GstPad * pad, GstEvent * event)
{
if (GST_EVENT_TYPE (event) == GST_EVENT_EOS) {
/* we take the lock here because it's good practice to so, even though
* no buffers will be pushed anymore anyway */
GST_STREAM_LOCK (pad);
have_eos = TRUE;
GST_STREAM_UNLOCK (pad);
gst_event_unref (event);
return TRUE;
}
gst_event_unref (event);
return FALSE;
}
GstElement *
setup_identity ()
{
GstElement *identity;
GstPad *srcpad, *sinkpad;
GST_DEBUG ("setup_identity");
identity = gst_element_factory_make ("identity", "identity");
fail_if (identity == NULL, "Could not create a identity");
/* sending pad */
mysrcpad =
gst_pad_new_from_template (gst_static_pad_template_get (&srctemplate),
"src");
fail_if (mysrcpad == NULL, "Could not create a mysrcpad");
ASSERT_OBJECT_REFCOUNT (mysrcpad, "mysrcpad", 1);
sinkpad = gst_element_get_pad (identity, "sink");
fail_if (sinkpad == NULL, "Could not get source pad from identity");
ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2);
gst_pad_set_caps (mysrcpad, NULL);
fail_unless (gst_pad_link (mysrcpad, sinkpad) == GST_PAD_LINK_OK,
"Could not link source and identity sink pads");
gst_object_unref (sinkpad); /* because we got it higher up */
ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 1);
/* receiving pad */
mysinkpad =
gst_pad_new_from_template (gst_static_pad_template_get (&sinktemplate),
"sink");
fail_if (mysinkpad == NULL, "Could not create a mysinkpad");
srcpad = gst_element_get_pad (identity, "src");
fail_if (srcpad == NULL, "Could not get source pad from identity");
gst_pad_set_caps (mysinkpad, NULL);
gst_pad_set_chain_function (mysinkpad, chain_func);
gst_pad_set_event_function (mysinkpad, event_func);
fail_unless (gst_pad_link (srcpad, mysinkpad) == GST_PAD_LINK_OK,
"Could not link identity source and mysink pads");
gst_object_unref (srcpad); /* because we got it higher up */
ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 1);
return identity;
}
void
cleanup_identity (GstElement * identity)
{
GstPad *srcpad, *sinkpad;
GST_DEBUG ("cleanup_identity");
fail_unless (gst_element_set_state (identity, GST_STATE_NULL) ==
GST_STATE_SUCCESS, "could not set to null");
ASSERT_OBJECT_REFCOUNT (identity, "identity", 1);
/* clean up floating src pad */
sinkpad = gst_element_get_pad (identity, "sink");
ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2);
gst_pad_unlink (mysrcpad, sinkpad);
/* pad refs held by both creator and this function (through _get) */
ASSERT_OBJECT_REFCOUNT (mysrcpad, "srcpad", 1);
gst_object_unref (mysrcpad);
mysrcpad = NULL;
ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2);
gst_object_unref (sinkpad);
/* one more ref is held by identity itself */
/* clean up floating sink pad */
srcpad = gst_element_get_pad (identity, "src");
gst_pad_unlink (srcpad, mysinkpad);
/* pad refs held by both creator and this function (through _get) */
ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 2);
gst_object_unref (srcpad);
/* one more ref is held by identity itself */
ASSERT_OBJECT_REFCOUNT (mysinkpad, "mysinkpad", 1);
gst_object_unref (mysinkpad);
mysinkpad = NULL;
ASSERT_OBJECT_REFCOUNT (identity, "identity", 1);
gst_object_unref (identity);
}
GST_START_TEST (test_one_buffer)
{
GstElement *identity;
GstBuffer *buffer;
identity = setup_identity ();
fail_unless (gst_element_set_state (identity,
GST_STATE_PLAYING) == GST_STATE_SUCCESS, "could not set to playing");
buffer = gst_buffer_new_and_alloc (4);
ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
memcpy (GST_BUFFER_DATA (buffer), "data", 4);
/* pushing gives away my reference ... */
gst_pad_push (mysrcpad, buffer);
/* ... but it ends up being collected on the global buffer list */
ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
/* cleanup */
cleanup_identity (identity);
}
GST_END_TEST;
Suite *
identity_suite (void)
{
Suite *s = suite_create ("identity");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_one_buffer);
return s;
}
int
main (int argc, char **argv)
{
int nf;
Suite *s = identity_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;
}