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/* 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;
}
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