--- /dev/null
+/* 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 GstFlowReturn
+callback_function_buffer (GstAppSink * appsink, gpointer p_counter)
+{
+ GstBuffer *buf;
+ gint *p_int_counter = p_counter;
+
+ buf = gst_app_sink_pull_buffer (appsink);
+ fail_unless (GST_IS_BUFFER (buf));
+
+ /* buffer list has 3 buffers in two groups */
+ switch (*p_int_counter) {
+ case 0:
+ fail_unless_equals_int (GST_BUFFER_SIZE (buf), sizeof (gint));
+ fail_unless_equals_int ((((gint *) GST_BUFFER_DATA (buf))[0]), 1);
+ break;
+ case 1:
+ fail_unless_equals_int (GST_BUFFER_SIZE (buf), 2 * sizeof (gint));
+ fail_unless_equals_int ((((gint *) GST_BUFFER_DATA (buf))[0]), 2);
+ fail_unless_equals_int ((((gint *) GST_BUFFER_DATA (buf))[1]), 4);
+ break;
+ default:
+ g_warn_if_reached ();
+ break;
+ }
+
+ gst_buffer_unref (buf);
+
+ *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 ();
+
+ callbacks.new_buffer = callback_function_buffer;
+
+ 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);
+
+ fail_unless_equals_int (counter, 2);
+
+ 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.. */
+ g_signal_connect (sink, "new-buffer", G_CALLBACK (callback_function_buffer),
+ &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);
+
+ fail_unless_equals_int (counter, 2);
+
+ 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);
+ 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);