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 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 * General Public License for more details.
15 * You should have received a copy of the GNU General Public
16 * License along with this library; if not, write to the Free
17 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #define BUFFER_COUNT (1000)
23 #define SRC_ELEMENT "fakesrc"
24 #define SINK_ELEMENT "fakesink"
28 gst_get_current_time (void)
32 g_get_current_time (&tv);
33 return GST_TIMEVAL_TO_TIME (tv);
37 main (gint argc, gchar * argv[])
39 GstElement *pipeline, *src, *e;
40 GSList *saved_src_list, *src_list, *new_src_list;
41 guint complexity_order, n_elements, i, j, max_this_level;
42 GstClockTime start, end;
43 gboolean all_srcs_linked;
45 gst_init (&argc, &argv);
48 g_print ("usage: %s COMPLEXITY_ORDER N_ELEMENTS\n", argv[0]);
52 complexity_order = atoi (argv[1]);
53 n_elements = atoi (argv[2]);
55 start = gst_get_current_time ();
57 pipeline = gst_element_factory_make ("pipeline", NULL);
60 e = gst_element_factory_make ("fakesrc", NULL);
61 g_object_set (e, "num-buffers", BUFFER_COUNT, NULL);
62 g_object_set (e, "silent", TRUE, NULL);
63 gst_bin_add (GST_BIN (pipeline), e);
64 src_list = saved_src_list = g_slist_append (NULL, e);
71 all_srcs_linked = FALSE;
72 for (i = 0, j = 0; i < n_elements; i++, j++) {
73 if (j >= max_this_level) {
74 g_slist_free (saved_src_list);
75 saved_src_list = g_slist_reverse (new_src_list);
78 all_srcs_linked = FALSE;
79 max_this_level *= complexity_order;
84 all_srcs_linked = TRUE;
85 src_list = saved_src_list;
88 src = (GstElement *) src_list->data;
89 src_list = src_list->next;
91 if (i + max_this_level < n_elements) {
92 e = gst_element_factory_make ("tee", NULL);
94 e = gst_element_factory_make ("fakesink", NULL);
95 g_object_set (e, "preroll-queue-len", 1, NULL);
97 g_object_set (e, "silent", TRUE, NULL);
98 new_src_list = g_slist_prepend (new_src_list, e);
100 gst_bin_add (GST_BIN (pipeline), e);
101 if (!gst_element_link (src, e))
102 g_assert_not_reached ();
105 g_slist_free (saved_src_list);
106 g_slist_free (new_src_list);
108 end = gst_get_current_time ();
109 g_print ("%" GST_TIME_FORMAT " - creating and linking %d elements\n",
110 GST_TIME_ARGS (end - start), i);
112 start = gst_get_current_time ();
113 if (gst_element_set_state (pipeline,
114 GST_STATE_PLAYING) != GST_STATE_CHANGE_SUCCESS)
115 g_assert_not_reached ();
116 end = gst_get_current_time ();
117 g_print ("%" GST_TIME_FORMAT " - setting pipeline to playing\n",
118 GST_TIME_ARGS (end - start));
120 start = gst_get_current_time ();
121 gst_bus_poll (gst_element_get_bus (pipeline),
122 GST_MESSAGE_EOS | GST_MESSAGE_ERROR, -1);
123 end = gst_get_current_time ();
124 g_print ("%" GST_TIME_FORMAT " - putting %u buffers through\n",
125 GST_TIME_ARGS (end - start), BUFFER_COUNT);
127 start = gst_get_current_time ();
128 g_object_unref (pipeline);
129 end = gst_get_current_time ();
130 g_print ("%" GST_TIME_FORMAT " - unreffing pipeline\n",
131 GST_TIME_ARGS (end - start));