/*****************************************************************************
* timer.c: Test for timer API
*****************************************************************************
* Copyright (C) 2009 Rémi Denis-Courmont
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#undef NDEBUG
#include <assert.h>
#include <vlc_common.h>
#include <vlc_threads.h>
#undef vlc_tick_sleep
const char vlc_module_name[] = "test_timer";
struct timer_data
{
vlc_timer_t timer;
vlc_mutex_t lock;
vlc_cond_t wait;
unsigned count;
};
static void callback (void *ptr)
{
struct timer_data *data = ptr;
vlc_mutex_lock (&data->lock);
data->count += 1 + vlc_timer_getoverrun (data->timer);
vlc_cond_signal (&data->wait);
vlc_mutex_unlock (&data->lock);
}
int main (void)
{
struct timer_data data;
vlc_tick_t ts;
int val;
vlc_mutex_init (&data.lock);
vlc_cond_init (&data.wait);
data.count = 0;
val = vlc_timer_create (&data.timer, callback, &data);
assert (val == 0);
vlc_timer_destroy (data.timer);
assert (data.count == 0);
val = vlc_timer_create (&data.timer, callback, &data);
assert (val == 0);
vlc_timer_schedule (data.timer, false, CLOCK_FREQ << 20, CLOCK_FREQ);
vlc_timer_destroy (data.timer);
assert (data.count == 0);
val = vlc_timer_create (&data.timer, callback, &data);
assert (val == 0);
/* Relative timer */
ts = vlc_tick_now ();
vlc_timer_schedule (data.timer, false, 1, VLC_TICK_FROM_MS(10));
vlc_mutex_lock (&data.lock);
while (data.count <= 10)
vlc_cond_wait(&data.wait, &data.lock);
ts = vlc_tick_now () - ts;
printf ("%u iterations in %"PRId64" us\n", data.count, ts);
data.count = 0;
vlc_mutex_unlock (&data.lock);
assert(ts >= VLC_TICK_FROM_MS(100));
vlc_timer_disarm (data.timer);
/* Absolute timer */
ts = vlc_tick_now ();
vlc_timer_schedule (data.timer, true, ts + VLC_TICK_FROM_MS(100),
VLC_TICK_FROM_MS(10));
vlc_mutex_lock (&data.lock);
while (data.count <= 10)
vlc_cond_wait(&data.wait, &data.lock);
ts = vlc_tick_now () - ts;
printf ("%u iterations in %"PRId64" us\n", data.count, ts);
vlc_mutex_unlock (&data.lock);
assert(ts >= VLC_TICK_FROM_MS(200));
vlc_timer_destroy (data.timer);
return 0;
}
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