--- /dev/null
+/* GStreamer
+ * Copyright (C) 2009 Stefan Kost <ensonic@users.sf.net>
+ *
+ * controller.c: benchmark for interpolation control-source
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <gst/gst.h>
+#include <gst/controller/gstcontroller.h>
+#include <gst/controller/gstinterpolationcontrolsource.h>
+
+#define NUM_CP 5000
+#define BLOCK_SIZE 64
+
+static void
+event_loop (GstElement * pipe)
+{
+ GstBus *bus;
+ GstMessage *message = NULL;
+
+ bus = gst_element_get_bus (GST_ELEMENT (pipe));
+
+ while (TRUE) {
+ message = gst_bus_poll (bus, GST_MESSAGE_ANY, -1);
+
+ g_assert (message != NULL);
+
+ switch (message->type) {
+ case GST_MESSAGE_EOS:
+ gst_message_unref (message);
+ return;
+ case GST_MESSAGE_WARNING:
+ case GST_MESSAGE_ERROR:{
+ GError *gerror;
+ gchar *debug;
+
+ gst_message_parse_error (message, &gerror, &debug);
+ gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
+ gst_message_unref (message);
+ g_error_free (gerror);
+ g_free (debug);
+ return;
+ }
+ default:
+ gst_message_unref (message);
+ break;
+ }
+ }
+}
+
+gint
+main (gint argc, gchar * argv[])
+{
+ gint res = 1;
+ gint i, j;
+ GstElement *src, *sink;
+ GstElement *bin;
+ GstController *ctrl;
+ GstInterpolationControlSource *csource;
+ GValue freq = { 0, };
+ GstClockTime bt, ct;
+ GstClockTimeDiff elapsed;
+ GstClockTime tick;
+
+ gst_init (&argc, &argv);
+ gst_controller_init (&argc, &argv);
+
+ /* build pipeline */
+ bin = gst_pipeline_new ("pipeline");
+ src = gst_element_factory_make ("audiotestsrc", "gen_audio");
+ if (!src) {
+ GST_WARNING ("need audiotestsrc from gst-plugins-base");
+ goto Error;
+ }
+ sink = gst_element_factory_make ("fakesink", "swallow_audio");
+
+ gst_bin_add_many (GST_BIN (bin), src, sink, NULL);
+ if (!gst_element_link (src, sink)) {
+ GST_WARNING ("can't link elements");
+ goto Error;
+ }
+
+ g_object_set (G_OBJECT (src), "wave", 7, /* sine table - we don't want to benchmark the fpu */
+ "num-buffers", NUM_CP, "samplesperbuffer", BLOCK_SIZE, NULL);
+
+ tick = BLOCK_SIZE * GST_SECOND / 44100;
+
+ /* add a controller to the source */
+ if (!(ctrl = gst_controller_new (G_OBJECT (src), "freq", NULL))) {
+ GST_WARNING ("can't control source element");
+ goto Error;
+ }
+
+ /* create and configure control source */
+ csource = gst_interpolation_control_source_new ();
+ gst_controller_set_control_source (ctrl, "freq",
+ GST_CONTROL_SOURCE (csource));
+ gst_interpolation_control_source_set_interpolation_mode (csource,
+ GST_INTERPOLATE_LINEAR);
+ g_value_init (&freq, G_TYPE_DOUBLE);
+
+
+ /* set control values, we set them in a linear order as we would when loading
+ * a stored project
+ */
+ bt = gst_util_get_timestamp ();
+
+ for (i = 0; i < NUM_CP; i++) {
+ g_value_set_double (&freq, g_random_double_range (50.0, 3000.0));
+ gst_interpolation_control_source_set (csource, i * tick, &freq);
+ }
+
+ ct = gst_util_get_timestamp ();
+ elapsed = GST_CLOCK_DIFF (bt, ct);
+ printf ("linear insert of control-points: %" GST_TIME_FORMAT "\n",
+ GST_TIME_ARGS (elapsed));
+
+
+ /* set extra control values, we set them in arbitrary order to simulate
+ * the user editing a project from the ui
+ */
+ bt = gst_util_get_timestamp ();
+
+ for (i = 0; i < 100; i++) {
+ j = g_random_int_range (0, NUM_CP - 1);
+ g_value_set_double (&freq, g_random_double_range (50.0, 3000.0));
+ gst_interpolation_control_source_set (csource, j * tick, &freq);
+ }
+
+ ct = gst_util_get_timestamp ();
+ elapsed = GST_CLOCK_DIFF (bt, ct);
+ printf ("random insert of control-points: %" GST_TIME_FORMAT "\n",
+ GST_TIME_ARGS (elapsed));
+
+ g_object_unref (csource);
+
+ /* play, this test sequential reads */
+ bt = gst_util_get_timestamp ();
+
+ if (gst_element_set_state (bin, GST_STATE_PLAYING)) {
+ /* wait for EOS */
+ event_loop (bin);
+ gst_element_set_state (bin, GST_STATE_NULL);
+ }
+
+ ct = gst_util_get_timestamp ();
+ elapsed = GST_CLOCK_DIFF (bt, ct);
+ printf ("linear read of control-points: %" GST_TIME_FORMAT "\n",
+ GST_TIME_ARGS (elapsed));
+
+ /* cleanup */
+ g_object_unref (G_OBJECT (ctrl));
+ gst_object_unref (G_OBJECT (bin));
+ res = 0;
+Error:
+ return res;
+}