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133 lines
3.3 KiB
C
133 lines
3.3 KiB
C
/* GStreamer
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* Copyright (C) <2009> Edward Hervey <bilboed@bilboed.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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, 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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#define MAX_THREADS 1000
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static guint64 nbbuffers;
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static GMutex *mutex;
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static GCond *cond;
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static gboolean ready = FALSE;
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static GstClockTime
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gst_get_current_time (void)
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{
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GTimeVal tv;
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g_get_current_time (&tv);
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return GST_TIMEVAL_TO_TIME (tv);
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}
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static void *
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run_test (void *user_data)
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{
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gint threadid = GPOINTER_TO_INT (user_data);
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guint64 nb;
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GstBuffer *buf;
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GstClockTime start, end;
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g_mutex_lock (mutex);
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if (!ready) {
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g_print ("Waiting for cond thread %d\n", threadid);
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g_cond_wait (cond, mutex);
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}
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g_mutex_unlock (mutex);
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start = gst_get_current_time ();
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for (nb = nbbuffers; nb; nb--) {
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buf = gst_buffer_new ();
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gst_buffer_unref (buf);
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}
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end = gst_get_current_time ();
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g_print ("total %" GST_TIME_FORMAT " - average %" GST_TIME_FORMAT
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" - Thread %d\n", GST_TIME_ARGS (end - start),
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GST_TIME_ARGS ((end - start) / nbbuffers), threadid);
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g_thread_exit (NULL);
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return NULL;
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}
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gint
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main (gint argc, gchar * argv[])
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{
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GThread *threads[MAX_THREADS];
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gint num_threads;
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gint t;
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GstBuffer *tmp;
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GstClockTime start, end;
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gst_init (&argc, &argv);
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mutex = g_mutex_new ();
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cond = g_cond_new ();
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if (argc != 3) {
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g_print ("usage: %s <num_threads> <nbbuffers>\n", argv[0]);
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exit (-1);
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}
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num_threads = atoi (argv[1]);
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nbbuffers = atoi (argv[2]);
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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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printf ("main(): Creating %d threads.\n", num_threads);
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for (t = 0; t < num_threads; t++) {
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GError *error = NULL;
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threads[t] = g_thread_create (run_test, GINT_TO_POINTER (t), TRUE, &error);
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if (error) {
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printf ("ERROR: g_thread_create() %s\n", error->message);
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exit (-1);
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}
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}
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g_print ("MAIN taking lock\n");
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g_mutex_lock (mutex);
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start = gst_get_current_time ();
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g_print ("MAIN broadcasting\n");
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ready = TRUE;
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g_cond_broadcast (cond);
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g_print ("MAIN RELEASING\n");
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g_mutex_unlock (mutex);
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/* Signal all threads to start */
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for (t = 0; t < num_threads; t++) {
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if (threads[t])
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g_thread_join (threads[t]);
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}
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end = gst_get_current_time ();
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g_print ("*** total %" GST_TIME_FORMAT " - average %" GST_TIME_FORMAT
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" - Done creating %" G_GUINT64_FORMAT " buffers\n",
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GST_TIME_ARGS (end - start),
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GST_TIME_ARGS ((end - start) / (num_threads * nbbuffers)),
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num_threads * nbbuffers);
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gst_buffer_unref (tmp);
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return 0;
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}
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