| /* |
| * Copyright (C) 2004 Benjamin Otte <otte@gnome.org> |
| * Copyright (C) 2005 Andy Wingo <wingo@pobox.com> |
| * |
| * 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 <stdlib.h> |
| #include <gst/gst.h> |
| |
| #define BUFFER_COUNT (1000) |
| |
| gint |
| main (gint argc, gchar * argv[]) |
| { |
| GstMessage *msg; |
| 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; |
| |
| 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_util_get_timestamp (); |
| |
| 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; |
| 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; |
| max_this_level *= complexity_order; |
| } |
| |
| if (!src_list) { |
| 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, "preroll-queue-len", 1, 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)) |
| g_assert_not_reached (); |
| } |
| |
| g_slist_free (saved_src_list); |
| g_slist_free (new_src_list); |
| |
| end = gst_util_get_timestamp (); |
| g_print ("%" GST_TIME_FORMAT " - creating and linking %u elements\n", |
| GST_TIME_ARGS (end - start), i); |
| |
| start = gst_util_get_timestamp (); |
| if (gst_element_set_state (pipeline, |
| GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) |
| g_assert_not_reached (); |
| if (gst_element_get_state (pipeline, NULL, NULL, |
| GST_CLOCK_TIME_NONE) == GST_STATE_CHANGE_FAILURE) |
| g_assert_not_reached (); |
| end = gst_util_get_timestamp (); |
| g_print ("%" GST_TIME_FORMAT " - setting pipeline to playing\n", |
| GST_TIME_ARGS (end - start)); |
| |
| start = gst_util_get_timestamp (); |
| msg = gst_bus_poll (gst_element_get_bus (pipeline), |
| GST_MESSAGE_EOS | GST_MESSAGE_ERROR, -1); |
| end = gst_util_get_timestamp (); |
| gst_message_unref (msg); |
| g_print ("%" GST_TIME_FORMAT " - putting %d buffers through\n", |
| GST_TIME_ARGS (end - start), BUFFER_COUNT); |
| |
| start = gst_util_get_timestamp (); |
| if (gst_element_set_state (pipeline, |
| GST_STATE_NULL) != GST_STATE_CHANGE_SUCCESS) |
| g_assert_not_reached (); |
| end = gst_util_get_timestamp (); |
| g_print ("%" GST_TIME_FORMAT " - setting pipeline to NULL\n", |
| GST_TIME_ARGS (end - start)); |
| |
| start = gst_util_get_timestamp (); |
| g_object_unref (pipeline); |
| end = gst_util_get_timestamp (); |
| g_print ("%" GST_TIME_FORMAT " - unreffing pipeline\n", |
| GST_TIME_ARGS (end - start)); |
| |
| return 0; |
| } |