gstreamer/tests/check/elements/appsink.c

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/* GStreamer
*
* Copyright (C) 2009, Axis Communications AB, LUND, SWEDEN
*
* 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>
#include <gst/app/gstappsink.h>
gint global_testdata;
static GstPad *mysrcpad;
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("application/x-gst-check")
);
static GstElement *
setup_appsink (void)
{
GstElement *appsink;
GST_DEBUG ("setup_appsink");
appsink = gst_check_setup_element ("appsink");
mysrcpad = gst_check_setup_src_pad (appsink, &srctemplate, NULL);
return appsink;
}
static void
cleanup_appsink (GstElement * appsink)
{
GST_DEBUG ("cleanup_appsink");
gst_check_teardown_src_pad (appsink);
gst_check_teardown_element (appsink);
}
/* This function does an operation to it's indata argument and returns it.
* The exact operation performed doesn't matter. Currently it multiplies with
* two, but it could do anything. The idea is to use the function to verify
* that the code calling it gets run. */
static gint
operate_on_data (gint indata)
{
return indata * 2;
}
static GstFlowReturn
callback_function (GstAppSink * appsink, gpointer callback_data)
{
global_testdata = operate_on_data (*((gint *) callback_data));
return GST_FLOW_OK;
}
static void
notify_function (gpointer callback_data)
{
global_testdata = operate_on_data (*((gint *) callback_data));
}
GST_START_TEST (test_non_clients)
{
GstElement *sink;
GstBuffer *buffer;
GstCaps *caps;
sink = setup_appsink ();
ASSERT_SET_STATE (sink, GST_STATE_PLAYING, GST_STATE_CHANGE_ASYNC);
caps = gst_caps_from_string ("application/x-gst-check");
buffer = gst_buffer_new_and_alloc (4);
gst_buffer_set_caps (buffer, caps);
gst_caps_unref (caps);
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
GST_DEBUG ("cleaning up appsink");
ASSERT_SET_STATE (sink, GST_STATE_NULL, GST_STATE_CHANGE_SUCCESS);
cleanup_appsink (sink);
}
GST_END_TEST;
/* Verifies that the handoff callback gets run one time when passing a buffer */
GST_START_TEST (test_handoff_callback)
{
GstElement *sink;
GstBuffer *buffer;
GstCaps *caps;
gint testdata;
GstAppSinkCallbacks callbacks = { NULL };
sink = setup_appsink ();
global_testdata = 0;
testdata = 5; /* Arbitrary value */
callbacks.new_buffer = callback_function;
gst_app_sink_set_callbacks (GST_APP_SINK (sink), &callbacks, &testdata, NULL);
ASSERT_SET_STATE (sink, GST_STATE_PLAYING, GST_STATE_CHANGE_ASYNC);
caps = gst_caps_from_string ("application/x-gst-check");
buffer = gst_buffer_new_and_alloc (4);
gst_buffer_set_caps (buffer, caps);
gst_caps_unref (caps);
/* Pushing a buffer should run our callback */
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
testdata = operate_on_data (testdata);
/* If both test_data & global_testdata have been operated on, we're happy. */
fail_unless (testdata == global_testdata);
GST_DEBUG ("cleaning up appsink");
ASSERT_SET_STATE (sink, GST_STATE_NULL, GST_STATE_CHANGE_SUCCESS);
cleanup_appsink (sink);
}
GST_END_TEST;
/* Verifies that the notify function gets executed when the sink is destroyed */
GST_START_TEST (test_notify0)
{
GstElement *sink;
gint testdata;
GstAppSinkCallbacks callbacks = { NULL };
sink = gst_element_factory_make ("appsink", NULL);
global_testdata = 0;
testdata = 17; /* Arbitrary value */
gst_app_sink_set_callbacks (GST_APP_SINK (sink), &callbacks,
&testdata, (*notify_function));
GST_DEBUG ("cleaning up appsink");
/* Destroying sink should call our notify_function */
gst_object_unref (sink);
testdata = operate_on_data (testdata);
/* If both test_data & global_testdata have been operated on, we're happy. */
fail_unless (testdata == global_testdata);
}
GST_END_TEST;
/* Verifies that the notify function gets executed when
* gst_app_sink_set_callbacks () gets called */
GST_START_TEST (test_notify1)
{
GstElement *sink;
gint testdata;
GstAppSinkCallbacks callbacks = { NULL };
sink = gst_element_factory_make ("appsink", NULL);
global_testdata = 0;
testdata = 42; /* Arbitrary value */
gst_app_sink_set_callbacks (GST_APP_SINK (sink), &callbacks,
&testdata, (*notify_function));
/* Setting new callbacks should trigger the destroy of the old data */
gst_app_sink_set_callbacks (GST_APP_SINK (sink), &callbacks, &testdata, NULL);
testdata = operate_on_data (testdata);
/* If both test_data & global_testdata have been operated on, we're happy. */
fail_unless (testdata == global_testdata);
GST_DEBUG ("cleaning up appsink");
gst_object_unref (sink);
}
GST_END_TEST;
static GstBufferList *mylist;
static GstCaps *mycaps;
static GstBufferList *
create_buffer_list (void)
{
GstBufferListIterator *it;
GstBuffer *buffer;
mylist = gst_buffer_list_new ();
fail_if (mylist == NULL);
mycaps = gst_caps_from_string ("application/x-gst-check");
fail_if (mycaps == NULL);
it = gst_buffer_list_iterate (mylist);
fail_if (it == NULL);
gst_buffer_list_iterator_add_group (it);
buffer = gst_buffer_new_and_alloc (sizeof (gint));
*(gint *) GST_BUFFER_DATA (buffer) = 1;
gst_buffer_set_caps (buffer, mycaps);
gst_buffer_list_iterator_add (it, buffer);
gst_buffer_list_iterator_add_group (it);
buffer = gst_buffer_new_and_alloc (sizeof (gint));
*(gint *) GST_BUFFER_DATA (buffer) = 2;
gst_buffer_set_caps (buffer, mycaps);
gst_buffer_list_iterator_add (it, buffer);
buffer = gst_buffer_new_and_alloc (sizeof (gint));
*(gint *) GST_BUFFER_DATA (buffer) = 4;
gst_buffer_set_caps (buffer, mycaps);
gst_buffer_list_iterator_add (it, buffer);
gst_buffer_list_iterator_free (it);
return mylist;
}
static void
check_buffer_list (GstBufferList * list)
{
GstBufferListIterator *it;
GstBuffer *buf;
GstCaps *caps;
fail_unless (list == mylist);
fail_unless (gst_buffer_list_n_groups (list) == 2);
it = gst_buffer_list_iterate (list);
fail_if (it == NULL);
fail_unless (gst_buffer_list_iterator_next_group (it));
fail_unless (gst_buffer_list_iterator_n_buffers (it) == 1);
buf = gst_buffer_list_iterator_next (it);
fail_if (buf == NULL);
fail_unless (*(gint *) GST_BUFFER_DATA (buf) == 1);
caps = gst_buffer_get_caps (buf);
fail_unless (caps == mycaps);
fail_unless (gst_caps_is_equal (caps, mycaps));
gst_caps_unref (caps);
fail_unless (gst_buffer_list_iterator_next_group (it));
fail_unless (gst_buffer_list_iterator_n_buffers (it) == 2);
buf = gst_buffer_list_iterator_next (it);
fail_if (buf == NULL);
fail_unless (*(gint *) GST_BUFFER_DATA (buf) == 2);
caps = gst_buffer_get_caps (buf);
fail_unless (caps == mycaps);
gst_caps_unref (caps);
buf = gst_buffer_list_iterator_next (it);
fail_if (buf == NULL);
fail_unless (*(gint *) GST_BUFFER_DATA (buf) == 4);
caps = gst_buffer_get_caps (buf);
fail_unless (caps == mycaps);
gst_caps_unref (caps);
gst_buffer_list_iterator_free (it);
}
static GstFlowReturn
callback_function_buffer_list (GstAppSink * appsink, gpointer callback_data)
{
GstBufferList *list;
list = gst_app_sink_pull_buffer_list (appsink);
fail_unless (GST_IS_BUFFER_LIST (list));
check_buffer_list (list);
gst_buffer_list_unref (list);
return GST_FLOW_OK;
}
GST_START_TEST (test_buffer_list)
{
GstElement *sink;
GstBufferList *list;
GstAppSinkCallbacks callbacks = { NULL };
sink = setup_appsink ();
callbacks.new_buffer_list = callback_function_buffer_list;
gst_app_sink_set_callbacks (GST_APP_SINK (sink), &callbacks, NULL, NULL);
ASSERT_SET_STATE (sink, GST_STATE_PLAYING, GST_STATE_CHANGE_ASYNC);
list = create_buffer_list ();
fail_unless (gst_pad_push_list (mysrcpad, list) == GST_FLOW_OK);
ASSERT_SET_STATE (sink, GST_STATE_NULL, GST_STATE_CHANGE_SUCCESS);
cleanup_appsink (sink);
}
GST_END_TEST;
static Suite *
appsink_suite (void)
{
Suite *s = suite_create ("appsink");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_non_clients);
tcase_add_test (tc_chain, test_handoff_callback);
tcase_add_test (tc_chain, test_notify0);
tcase_add_test (tc_chain, test_notify1);
tcase_add_test (tc_chain, test_buffer_list);
return s;
}
GST_CHECK_MAIN (appsink);