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., 51 Franklin St, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
25 #include <gst/controller/gstinterpolationcontrolsource.h>
26 #include <gst/controller/gstdirectcontrolbinding.h>
28 /* a song in buzztard can easily reach 30000 here */
33 event_loop (GstElement * pipe)
36 GstMessage *message = NULL;
37 gboolean running = TRUE;
39 bus = gst_element_get_bus (GST_ELEMENT (pipe));
42 message = gst_bus_poll (bus, GST_MESSAGE_ANY, -1);
44 g_assert (message != NULL);
46 switch (message->type) {
50 case GST_MESSAGE_WARNING:{
54 gst_message_parse_warning (message, &gerror, &debug);
55 gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
56 g_error_free (gerror);
60 case GST_MESSAGE_ERROR:{
64 gst_message_parse_error (message, &gerror, &debug);
65 gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
66 g_error_free (gerror);
74 gst_message_unref (message);
76 gst_object_unref (bus);
80 main (gint argc, gchar * argv[])
84 GstElement *src, *sink;
87 GstTimedValueControlSource *tvcs;
89 GstClockTimeDiff elapsed;
92 gst_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 /* create and configure control source */
115 cs = gst_interpolation_control_source_new ();
116 tvcs = (GstTimedValueControlSource *) cs;
118 gst_object_add_control_binding (GST_OBJECT (src),
119 gst_direct_control_binding_new (GST_OBJECT (src), "freq", cs));
120 g_object_set (cs, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);
122 /* set control values, we set them in a linear order as we would when loading
125 bt = gst_util_get_timestamp ();
127 for (i = 0; i < NUM_CP; i++) {
128 gst_timed_value_control_source_set (tvcs, i * tick,
129 g_random_double_range (50.0, 3000.0));
132 ct = gst_util_get_timestamp ();
133 elapsed = GST_CLOCK_DIFF (bt, ct);
134 printf ("linear insert of control-points: %" GST_TIME_FORMAT "\n",
135 GST_TIME_ARGS (elapsed));
138 /* set extra control values, we set them in arbitrary order to simulate
139 * the user editing a project from the ui
141 bt = gst_util_get_timestamp ();
143 for (i = 0; i < 100; i++) {
144 j = g_random_int_range (0, NUM_CP - 1);
145 gst_timed_value_control_source_set (tvcs, j * tick,
146 g_random_double_range (50.0, 3000.0));
149 ct = gst_util_get_timestamp ();
150 elapsed = GST_CLOCK_DIFF (bt, ct);
151 printf ("random insert of control-points: %" GST_TIME_FORMAT "\n",
152 GST_TIME_ARGS (elapsed));
155 GstClockTime sample_duration =
156 gst_util_uint64_scale_int (1, GST_SECOND, 44100);
157 gdouble *values = g_new0 (gdouble, BLOCK_SIZE * NUM_CP);
159 bt = gst_util_get_timestamp ();
160 gst_control_source_get_value_array (cs, 0, sample_duration,
161 BLOCK_SIZE * NUM_CP, values);
162 ct = gst_util_get_timestamp ();
164 elapsed = GST_CLOCK_DIFF (bt, ct);
165 printf ("linear array for control-points: %" GST_TIME_FORMAT "\n",
166 GST_TIME_ARGS (elapsed));
169 /* play, this test sequential reads */
170 bt = gst_util_get_timestamp ();
172 if (gst_element_set_state (bin, GST_STATE_PLAYING)) {
175 gst_element_set_state (bin, GST_STATE_NULL);
178 ct = gst_util_get_timestamp ();
179 elapsed = GST_CLOCK_DIFF (bt, ct);
180 printf ("linear read of control-points : %" GST_TIME_FORMAT "\n",
181 GST_TIME_ARGS (elapsed));
184 gst_object_unref (cs);
185 gst_object_unref (bin);