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94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
/* GStreamer
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* Copyright (C) <2013> Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <gst/gst.h>
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#include "gst/glib-compat-private.h"
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#define BUFFER_SIZE (1400)
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gint
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main (gint argc, gchar * argv[])
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{
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gint i;
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GstBuffer *tmp;
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GstBufferPool *pool;
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GstClockTime start, end;
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GstClockTimeDiff dur1, dur2;
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guint64 nbuffers;
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GstStructure *conf;
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gst_init (&argc, &argv);
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if (argc != 2) {
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g_print ("usage: %s <nbuffers>\n", argv[0]);
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exit (-1);
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}
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nbuffers = atoi (argv[1]);
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if (nbuffers <= 0) {
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g_print ("number of buffers must be greater than 0\n");
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exit (-3);
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}
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/* Let's just make sure the GstBufferClass is loaded ... */
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tmp = gst_buffer_new ();
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gst_buffer_unref (tmp);
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pool = gst_buffer_pool_new ();
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conf = gst_buffer_pool_get_config (pool);
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gst_buffer_pool_config_set_params (conf, NULL, BUFFER_SIZE, 0, 0);
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gst_buffer_pool_set_config (pool, conf);
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gst_buffer_pool_set_active (pool, TRUE);
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/* allocate buffers directly */
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start = gst_util_get_timestamp ();
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for (i = 0; i < nbuffers; i++) {
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tmp = gst_buffer_new_allocate (NULL, BUFFER_SIZE, NULL);
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gst_buffer_unref (tmp);
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}
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end = gst_util_get_timestamp ();
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dur1 = GST_CLOCK_DIFF (start, end);
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g_print ("*** total %" GST_TIME_FORMAT " - average %" GST_TIME_FORMAT
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" - Done creating %" G_GUINT64_FORMAT " fresh buffers\n",
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GST_TIME_ARGS (dur1), GST_TIME_ARGS (dur1 / nbuffers), nbuffers);
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/* allocate buffers from the pool */
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start = gst_util_get_timestamp ();
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for (i = 0; i < nbuffers; i++) {
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gst_buffer_pool_acquire_buffer (pool, &tmp, NULL);
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gst_buffer_unref (tmp);
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}
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end = gst_util_get_timestamp ();
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dur2 = GST_CLOCK_DIFF (start, end);
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g_print ("*** total %" GST_TIME_FORMAT " - average %" GST_TIME_FORMAT
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" - Done creating %" G_GUINT64_FORMAT " pooled buffers\n",
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GST_TIME_ARGS (dur2), GST_TIME_ARGS (dur2 / nbuffers), nbuffers);
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g_print ("*** speedup %6.4lf\n", ((gdouble) dur1 / (gdouble) dur2));
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gst_buffer_pool_set_active (pool, FALSE);
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gst_object_unref (pool);
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return 0;
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}
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