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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, 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;
GstCaps *caps;
GST_DEBUG ("setup_appsink");
appsink = gst_check_setup_element ("appsink");
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mysrcpad = gst_check_setup_src_pad (appsink, &srctemplate);
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gst_pad_set_active (mysrcpad, TRUE);
caps = gst_caps_new_empty_simple ("application/x-gst-check");
gst_check_setup_events (mysrcpad, appsink, caps, GST_FORMAT_TIME);
gst_caps_unref (caps);
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;
sink = setup_appsink ();
ASSERT_SET_STATE (sink, GST_STATE_PLAYING, GST_STATE_CHANGE_ASYNC);
buffer = gst_buffer_new_and_alloc (4);
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;
gint testdata;
GstAppSinkCallbacks callbacks = { NULL };
sink = setup_appsink ();
global_testdata = 0;
testdata = 5; /* Arbitrary value */
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callbacks.new_sample = 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);
buffer = gst_buffer_new_and_alloc (4);
/* 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 const gint values[] = { 1, 2, 4 };
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static GstBufferList *
create_buffer_list (void)
{
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guint len;
GstBuffer *buffer;
GstBufferList *mylist;
mylist = gst_buffer_list_new ();
fail_if (mylist == NULL);
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len = gst_buffer_list_length (mylist);
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fail_if (len != 0);
buffer = gst_buffer_new_and_alloc (sizeof (gint));
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gst_buffer_fill (buffer, 0, &values[0], sizeof (gint));
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gst_buffer_list_add (mylist, buffer);
buffer = gst_buffer_new_and_alloc (sizeof (gint));
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gst_buffer_fill (buffer, 0, &values[1], sizeof (gint));
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gst_buffer_list_add (mylist, buffer);
buffer = gst_buffer_new_and_alloc (sizeof (gint));
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gst_buffer_fill (buffer, 0, &values[2], sizeof (gint));
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gst_buffer_list_add (mylist, buffer);
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return mylist;
}
static GstFlowReturn
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callback_function_sample (GstAppSink * appsink, gpointer p_counter)
{
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GstSample *sample;
GstBuffer *buf;
gint *p_int_counter = p_counter;
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sample = gst_app_sink_pull_sample (appsink);
buf = gst_sample_get_buffer (sample);
fail_unless (GST_IS_BUFFER (buf));
/* buffer list has 3 buffers in two groups */
switch (*p_int_counter) {
case 0:
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fail_unless_equals_int (gst_buffer_get_size (buf), sizeof (gint));
gst_check_buffer_data (buf, &values[0], sizeof (gint));
break;
case 1:
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fail_unless_equals_int (gst_buffer_get_size (buf), sizeof (gint));
gst_check_buffer_data (buf, &values[1], sizeof (gint));
break;
case 2:
fail_unless_equals_int (gst_buffer_get_size (buf), sizeof (gint));
gst_check_buffer_data (buf, &values[2], sizeof (gint));
break;
default:
g_warn_if_reached ();
break;
}
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gst_sample_unref (sample);
*p_int_counter += 1;
return GST_FLOW_OK;
}
GST_START_TEST (test_buffer_list_fallback)
{
GstElement *sink;
GstBufferList *list;
GstAppSinkCallbacks callbacks = { NULL };
gint counter = 0;
sink = setup_appsink ();
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callbacks.new_sample = callback_function_sample;
gst_app_sink_set_callbacks (GST_APP_SINK (sink), &callbacks, &counter, 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);
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fail_unless_equals_int (counter, 3);
ASSERT_SET_STATE (sink, GST_STATE_NULL, GST_STATE_CHANGE_SUCCESS);
cleanup_appsink (sink);
}
GST_END_TEST;
GST_START_TEST (test_buffer_list_fallback_signal)
{
GstElement *sink;
GstBufferList *list;
gint counter = 0;
sink = setup_appsink ();
/* C calling convention to the rescue.. */
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g_signal_connect (sink, "new-sample", G_CALLBACK (callback_function_sample),
&counter);
g_object_set (sink, "emit-signals", TRUE, 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);
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fail_unless_equals_int (counter, 3);
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_fallback);
tcase_add_test (tc_chain, test_buffer_list_fallback_signal);
return s;
}
GST_CHECK_MAIN (appsink);