2 * Copyright (C) 2004 Benjamin Otte <otte@gnome.org>
3 * Copyright (C) 2005 Andy Wingo <wingo@pobox.com>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
24 #define BUFFER_COUNT (1000)
27 main (gint argc, gchar * argv[])
30 GstElement *pipeline, *src, *e;
31 GSList *saved_src_list, *src_list, *new_src_list;
32 guint complexity_order, n_elements, i, j, max_this_level;
33 GstClockTime start, end;
35 gst_init (&argc, &argv);
38 g_print ("usage: %s COMPLEXITY_ORDER N_ELEMENTS\n", argv[0]);
42 complexity_order = atoi (argv[1]);
43 n_elements = atoi (argv[2]);
45 start = gst_util_get_timestamp ();
47 pipeline = gst_element_factory_make ("pipeline", NULL);
50 e = gst_element_factory_make ("fakesrc", NULL);
51 g_object_set (e, "num-buffers", BUFFER_COUNT, NULL);
52 g_object_set (e, "silent", TRUE, NULL);
53 gst_bin_add (GST_BIN (pipeline), e);
54 src_list = saved_src_list = g_slist_append (NULL, e);
59 for (i = 0, j = 0; i < n_elements; i++, j++) {
60 if (j >= max_this_level) {
61 g_slist_free (saved_src_list);
62 saved_src_list = g_slist_reverse (new_src_list);
65 max_this_level *= complexity_order;
69 src_list = saved_src_list;
72 src = (GstElement *) src_list->data;
73 src_list = src_list->next;
75 if (i + max_this_level < n_elements) {
76 e = gst_element_factory_make ("tee", NULL);
78 e = gst_element_factory_make ("fakesink", NULL);
79 g_object_set (e, "preroll-queue-len", 1, NULL);
81 g_object_set (e, "silent", TRUE, NULL);
82 new_src_list = g_slist_prepend (new_src_list, e);
84 gst_bin_add (GST_BIN (pipeline), e);
85 if (!gst_element_link (src, e))
86 g_assert_not_reached ();
89 g_slist_free (saved_src_list);
90 g_slist_free (new_src_list);
92 end = gst_util_get_timestamp ();
93 g_print ("%" GST_TIME_FORMAT " - creating and linking %d elements\n",
94 GST_TIME_ARGS (end - start), i);
96 start = gst_util_get_timestamp ();
97 if (gst_element_set_state (pipeline,
98 GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE)
99 g_assert_not_reached ();
100 if (gst_element_get_state (pipeline, NULL, NULL,
101 GST_CLOCK_TIME_NONE) == GST_STATE_CHANGE_FAILURE)
102 g_assert_not_reached ();
103 end = gst_util_get_timestamp ();
104 g_print ("%" GST_TIME_FORMAT " - setting pipeline to playing\n",
105 GST_TIME_ARGS (end - start));
107 start = gst_util_get_timestamp ();
108 msg = gst_bus_poll (gst_element_get_bus (pipeline),
109 GST_MESSAGE_EOS | GST_MESSAGE_ERROR, -1);
110 end = gst_util_get_timestamp ();
111 gst_message_unref (msg);
112 g_print ("%" GST_TIME_FORMAT " - putting %u buffers through\n",
113 GST_TIME_ARGS (end - start), BUFFER_COUNT);
115 start = gst_util_get_timestamp ();
116 if (gst_element_set_state (pipeline,
117 GST_STATE_NULL) != GST_STATE_CHANGE_SUCCESS)
118 g_assert_not_reached ();
119 end = gst_util_get_timestamp ();
120 g_print ("%" GST_TIME_FORMAT " - setting pipeline to NULL\n",
121 GST_TIME_ARGS (end - start));
123 start = gst_util_get_timestamp ();
124 g_object_unref (pipeline);
125 end = gst_util_get_timestamp ();
126 g_print ("%" GST_TIME_FORMAT " - unreffing pipeline\n",
127 GST_TIME_ARGS (end - start));