mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 04:01:08 +00:00
94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
/* GStreamer
|
|
* Copyright (C) <2013> Wim Taymans <wim.taymans@gmail.com>
|
|
*
|
|
* 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 <stdlib.h>
|
|
#include <gst/gst.h>
|
|
#include "gst/glib-compat-private.h"
|
|
|
|
#define BUFFER_SIZE (1400)
|
|
|
|
gint
|
|
main (gint argc, gchar * argv[])
|
|
{
|
|
gint i;
|
|
GstBuffer *tmp;
|
|
GstBufferPool *pool;
|
|
GstClockTime start, end;
|
|
GstClockTimeDiff dur1, dur2;
|
|
guint64 nbuffers;
|
|
GstStructure *conf;
|
|
|
|
gst_init (&argc, &argv);
|
|
|
|
if (argc != 2) {
|
|
g_print ("usage: %s <nbuffers>\n", argv[0]);
|
|
exit (-1);
|
|
}
|
|
|
|
nbuffers = atoi (argv[1]);
|
|
|
|
if (nbuffers <= 0) {
|
|
g_print ("number of buffers must be greater than 0\n");
|
|
exit (-3);
|
|
}
|
|
|
|
/* Let's just make sure the GstBufferClass is loaded ... */
|
|
tmp = gst_buffer_new ();
|
|
gst_buffer_unref (tmp);
|
|
|
|
pool = gst_buffer_pool_new ();
|
|
|
|
conf = gst_buffer_pool_get_config (pool);
|
|
gst_buffer_pool_config_set_params (conf, NULL, BUFFER_SIZE, 0, 0);
|
|
gst_buffer_pool_set_config (pool, conf);
|
|
|
|
gst_buffer_pool_set_active (pool, TRUE);
|
|
|
|
/* allocate buffers directly */
|
|
start = gst_util_get_timestamp ();
|
|
for (i = 0; i < nbuffers; i++) {
|
|
tmp = gst_buffer_new_allocate (NULL, BUFFER_SIZE, NULL);
|
|
gst_buffer_unref (tmp);
|
|
}
|
|
end = gst_util_get_timestamp ();
|
|
dur1 = GST_CLOCK_DIFF (start, end);
|
|
g_print ("*** total %" GST_TIME_FORMAT " - average %" GST_TIME_FORMAT
|
|
" - Done creating %" G_GUINT64_FORMAT " fresh buffers\n",
|
|
GST_TIME_ARGS (dur1), GST_TIME_ARGS (dur1 / nbuffers), nbuffers);
|
|
|
|
/* allocate buffers from the pool */
|
|
start = gst_util_get_timestamp ();
|
|
for (i = 0; i < nbuffers; i++) {
|
|
gst_buffer_pool_acquire_buffer (pool, &tmp, NULL);
|
|
gst_buffer_unref (tmp);
|
|
}
|
|
end = gst_util_get_timestamp ();
|
|
dur2 = GST_CLOCK_DIFF (start, end);
|
|
g_print ("*** total %" GST_TIME_FORMAT " - average %" GST_TIME_FORMAT
|
|
" - Done creating %" G_GUINT64_FORMAT " pooled buffers\n",
|
|
GST_TIME_ARGS (dur2), GST_TIME_ARGS (dur2 / nbuffers), nbuffers);
|
|
|
|
g_print ("*** speedup %6.4lf\n", ((gdouble) dur1 / (gdouble) dur2));
|
|
|
|
gst_buffer_pool_set_active (pool, FALSE);
|
|
gst_object_unref (pool);
|
|
|
|
return 0;
|
|
}
|