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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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <stdio.h>
#include <gst/gst.h>
#include <gst/controller/gstinterpolationcontrolsource.h>
#include <gst/controller/gstdirectcontrolbinding.h>
/* a song in buzztard can easily reach 30000 here */
#define NUM_CP 15000
#define BLOCK_SIZE 64
static void
event_loop (GstElement * pipe)
{
GstBus *bus;
GstMessage *message = NULL;
gboolean running = TRUE;
bus = gst_element_get_bus (GST_ELEMENT (pipe));
while (running) {
message = gst_bus_poll (bus, GST_MESSAGE_ANY, -1);
g_assert_nonnull (message);
switch (message->type) {
case GST_MESSAGE_EOS:
running = FALSE;
break;
case GST_MESSAGE_WARNING:{
GError *gerror;
gchar *debug;
gst_message_parse_warning (message, &gerror, &debug);
gst_object_default_error (GST_MESSAGE_SRC (message), gerror, debug);
g_error_free (gerror);
g_free (debug);
break;
}
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);
g_error_free (gerror);
g_free (debug);
running = FALSE;
break;
}
default:
break;
}
gst_message_unref (message);
}
gst_object_unref (bus);
}
gint
main (gint argc, gchar * argv[])
{
gint res = 1;
gint i, j;
GstElement *src, *sink;
GstElement *bin;
GstControlSource *cs;
GstTimedValueControlSource *tvcs;
GstClockTime bt, ct;
GstClockTimeDiff elapsed;
GstClockTime tick;
gst_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;
/* create and configure control source */
cs = gst_interpolation_control_source_new ();
tvcs = (GstTimedValueControlSource *) cs;
gst_object_add_control_binding (GST_OBJECT (src),
gst_direct_control_binding_new (GST_OBJECT (src), "freq", cs));
g_object_set (cs, "mode", GST_INTERPOLATION_MODE_LINEAR, NULL);
/* 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++) {
gst_timed_value_control_source_set (tvcs, i * tick,
g_random_double_range (50.0, 3000.0));
}
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);
gst_timed_value_control_source_set (tvcs, j * tick,
g_random_double_range (50.0, 3000.0));
}
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));
{
GstClockTime sample_duration =
gst_util_uint64_scale_int (1, GST_SECOND, 44100);
gdouble *values = g_new0 (gdouble, BLOCK_SIZE * NUM_CP);
bt = gst_util_get_timestamp ();
gst_control_source_get_value_array (cs, 0, sample_duration,
BLOCK_SIZE * NUM_CP, values);
ct = gst_util_get_timestamp ();
g_free (values);
elapsed = GST_CLOCK_DIFF (bt, ct);
printf ("linear array for control-points: %" GST_TIME_FORMAT "\n",
GST_TIME_ARGS (elapsed));
}
/* 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 */
gst_object_unref (cs);
gst_object_unref (bin);
res = 0;
Error:
return res;
}
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