gstreamer/tests/benchmarks/complexity.c
Andy Wingo c70fedc476 tests/: New files, good for running complexity benchmarks.
Original commit message from CVS:
2005-02-24  Andy Wingo  <wingo@pobox.com>

* tests/bench-complexity.scm:
* tests/complexity.gnuplot: New files, good for running complexity
benchmarks.
2005-02-24 17:12:19 +00:00

129 lines
3.6 KiB
C

/*
* Copyright (C) 2004 Benjamin Otte <otte@gnome.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <gst/gst.h>
#define BUFFER_COUNT (1000)
#define SRC_ELEMENT "fakesrc"
#define SINK_ELEMENT "fakesink"
static GstClockTime
gst_get_current_time (void)
{
GTimeVal tv;
g_get_current_time (&tv);
return GST_TIMEVAL_TO_TIME (tv);
}
gint
main (gint argc, gchar * argv[])
{
GstElement *pipeline, *src, *e;
GSList *saved_src_list, *src_list, *new_src_list;
guint complexity_order, n_elements, i, j, max_this_level;
GstClockTime start, end;
gboolean all_srcs_linked;
gst_init (&argc, &argv);
if (argc != 3) {
g_print ("usage: %s COMPLEXITY_ORDER N_ELEMENTS\n", argv[0]);
return 1;
}
complexity_order = atoi (argv[1]);
n_elements = atoi (argv[2]);
start = gst_get_current_time ();
pipeline = gst_element_factory_make ("pipeline", NULL);
g_assert (pipeline);
e = gst_element_factory_make ("fakesrc", NULL);
g_object_set (e, "num-buffers", BUFFER_COUNT, NULL);
g_object_set (e, "silent", TRUE, NULL);
gst_bin_add (GST_BIN (pipeline), e);
src_list = saved_src_list = g_slist_append (NULL, e);
new_src_list = NULL;
max_this_level = 1;
j = 0;
i = 0;
all_srcs_linked = FALSE;
for (i = 0, j = 0; i < n_elements; i++, j++) {
if (j >= max_this_level) {
g_slist_free (saved_src_list);
saved_src_list = g_slist_reverse (new_src_list);
new_src_list = NULL;
j = 0;
all_srcs_linked = FALSE;
max_this_level *= complexity_order;
}
if (!src_list) {
if (j)
all_srcs_linked = TRUE;
src_list = saved_src_list;
}
src = (GstElement *) src_list->data;
src_list = src_list->next;
if (i + max_this_level < n_elements)
e = gst_element_factory_make ("tee", NULL);
else
e = gst_element_factory_make ("fakesink", NULL);
g_object_set (e, "silent", TRUE, NULL);
new_src_list = g_slist_prepend (new_src_list, e);
gst_bin_add (GST_BIN (pipeline), e);
if (gst_element_link (src, e) != GST_PAD_LINK_OK)
g_assert_not_reached ();
}
g_slist_free (saved_src_list);
g_slist_free (new_src_list);
end = gst_get_current_time ();
g_print ("%" GST_TIME_FORMAT " - creating and linking %d elements\n",
GST_TIME_ARGS (end - start), i);
start = gst_get_current_time ();
if (gst_element_set_state (pipeline, GST_STATE_PLAYING) != GST_STATE_SUCCESS)
g_assert_not_reached ();
end = gst_get_current_time ();
g_print ("%" GST_TIME_FORMAT " - setting pipeline to playing\n",
GST_TIME_ARGS (end - start));
start = gst_get_current_time ();
while (gst_bin_iterate (GST_BIN (pipeline)));
end = gst_get_current_time ();
g_print ("%" GST_TIME_FORMAT " - putting %u buffers through\n",
GST_TIME_ARGS (end - start), BUFFER_COUNT);
start = gst_get_current_time ();
g_object_unref (pipeline);
end = gst_get_current_time ();
g_print ("%" GST_TIME_FORMAT " - unreffing pipeline\n",
GST_TIME_ARGS (end - start));
return 0;
}