2 * Copyright (C) 2009 Stefan Kost <ensonic@users.sf.net>
4 * controller.c: benchmark for interpolation control-source
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
23 #include <gst/controller/gstcontroller.h>
24 #include <gst/controller/gstinterpolationcontrolsource.h>
26 /* a song in buzztard can easily reach 30000 here */
31 event_loop (GstElement * pipe)
34 GstMessage *message = NULL;
35 gboolean running = TRUE;
37 bus = gst_element_get_bus (GST_ELEMENT (pipe));
40 message = gst_bus_poll (bus, GST_MESSAGE_ANY, -1);
42 g_assert (message != NULL);
44 switch (message->type) {
48 case GST_MESSAGE_WARNING:{
52 gst_message_parse_warning (message, &gerror, &debug);
53 gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
54 g_error_free (gerror);
58 case GST_MESSAGE_ERROR:{
62 gst_message_parse_error (message, &gerror, &debug);
63 gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
64 g_error_free (gerror);
72 gst_message_unref (message);
74 gst_object_unref (bus);
78 main (gint argc, gchar * argv[])
82 GstElement *src, *sink;
85 GstInterpolationControlSource *csource;
88 GstClockTimeDiff elapsed;
91 gst_init (&argc, &argv);
92 gst_controller_init (&argc, &argv);
95 bin = gst_pipeline_new ("pipeline");
96 src = gst_element_factory_make ("audiotestsrc", "gen_audio");
98 GST_WARNING ("need audiotestsrc from gst-plugins-base");
101 sink = gst_element_factory_make ("fakesink", "swallow_audio");
103 gst_bin_add_many (GST_BIN (bin), src, sink, NULL);
104 if (!gst_element_link (src, sink)) {
105 GST_WARNING ("can't link elements");
109 g_object_set (G_OBJECT (src), "wave", 7, /* sine table - we don't want to benchmark the fpu */
110 "num-buffers", NUM_CP, "samplesperbuffer", BLOCK_SIZE, NULL);
112 tick = BLOCK_SIZE * GST_SECOND / 44100;
114 /* add a controller to the source */
115 if (!(ctrl = gst_controller_new (G_OBJECT (src), "freq", NULL))) {
116 GST_WARNING ("can't control source element");
120 /* create and configure control source */
121 csource = gst_interpolation_control_source_new ();
122 gst_controller_set_control_source (ctrl, "freq",
123 GST_CONTROL_SOURCE (csource));
124 gst_interpolation_control_source_set_interpolation_mode (csource,
125 GST_INTERPOLATE_LINEAR);
126 g_value_init (&freq, G_TYPE_DOUBLE);
129 /* set control values, we set them in a linear order as we would when loading
132 bt = gst_util_get_timestamp ();
134 for (i = 0; i < NUM_CP; i++) {
135 g_value_set_double (&freq, g_random_double_range (50.0, 3000.0));
136 gst_interpolation_control_source_set (csource, i * tick, &freq);
139 ct = gst_util_get_timestamp ();
140 elapsed = GST_CLOCK_DIFF (bt, ct);
141 printf ("linear insert of control-points: %" GST_TIME_FORMAT "\n",
142 GST_TIME_ARGS (elapsed));
145 /* set extra control values, we set them in arbitrary order to simulate
146 * the user editing a project from the ui
148 bt = gst_util_get_timestamp ();
150 for (i = 0; i < 100; i++) {
151 j = g_random_int_range (0, NUM_CP - 1);
152 g_value_set_double (&freq, g_random_double_range (50.0, 3000.0));
153 gst_interpolation_control_source_set (csource, j * tick, &freq);
156 ct = gst_util_get_timestamp ();
157 elapsed = GST_CLOCK_DIFF (bt, ct);
158 printf ("random insert of control-points: %" GST_TIME_FORMAT "\n",
159 GST_TIME_ARGS (elapsed));
162 GstClockTime sample_duration =
163 gst_util_uint64_scale_int (1, GST_SECOND, 44100);
164 GstValueArray va = { "freq",
170 gdouble *values = g_new0 (gdouble, BLOCK_SIZE * NUM_CP);
171 va.values = (gpointer *) values;
173 bt = gst_util_get_timestamp ();
174 gst_control_source_get_value_array (GST_CONTROL_SOURCE (csource), 0, &va);
175 ct = gst_util_get_timestamp ();
177 elapsed = GST_CLOCK_DIFF (bt, ct);
178 printf ("linear array for control-points: %" GST_TIME_FORMAT "\n",
179 GST_TIME_ARGS (elapsed));
182 g_object_unref (csource);
184 /* play, this test sequential reads */
185 bt = gst_util_get_timestamp ();
187 if (gst_element_set_state (bin, GST_STATE_PLAYING)) {
190 gst_element_set_state (bin, GST_STATE_NULL);
193 ct = gst_util_get_timestamp ();
194 elapsed = GST_CLOCK_DIFF (bt, ct);
195 printf ("linear read of control-points : %" GST_TIME_FORMAT "\n",
196 GST_TIME_ARGS (elapsed));
199 g_object_unref (G_OBJECT (ctrl));
200 gst_object_unref (G_OBJECT (bin));