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Original commit message from CVS: * gst/gstclock.c: (gst_clock_entry_new), (gst_clock_id_compare_func), (gst_clock_id_wait), (gst_clock_id_wait_async), (gst_clock_id_unschedule), (gst_clock_init), (gst_clock_get_internal_time), (gst_clock_set_master), (do_linear_regression), (gst_clock_add_observation), (gst_clock_set_property): * gst/gstclock.h: Review docs. Small cleanups. Fix a possible segfault when the window-size is made smaller. Calculate jitter before performing the clock wait. Ideally the clock implementation should calculate jitter but we need API breakage for that. * gst/gstsystemclock.c: (gst_system_clock_init): Docs review. * libs/gst/base/gstbasesink.c: (gst_base_sink_do_sync): Remove leftover else * tests/check/gst/gstsystemclock.c: (GST_START_TEST), (gst_systemclock_suite): Added check to test GST_CLOCK_DIFF.
235 lines
7.4 KiB
C
235 lines
7.4 KiB
C
/* GStreamer
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* Copyright (C) 2005 Wim Taymans <wim@fluendo.com>
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*
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* gstsystemclock.c: Unit test for GstSystemClock
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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 <gst/check/gstcheck.h>
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GST_START_TEST (test_signedness)
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{
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GstClockTime time[] = { 0, 1, G_MAXUINT64 / GST_SECOND };
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GstClockTimeDiff diff[] =
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{ 0, 1, -1, G_MAXINT64 / GST_SECOND, G_MININT64 / GST_SECOND };
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guint i;
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for (i = 0; i < G_N_ELEMENTS (time); i++) {
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fail_if (time[i] != (time[i] * GST_SECOND / GST_SECOND));
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}
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for (i = 0; i < G_N_ELEMENTS (diff); i++) {
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fail_if (diff[i] != (diff[i] * GST_SECOND / GST_SECOND));
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}
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}
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GST_END_TEST
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#define TIME_UNIT (GST_SECOND / 5)
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static void
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gst_clock_debug (GstClock * clock)
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{
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GstClockTime time;
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time = gst_clock_get_time (clock);
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g_message ("Clock info: time %" G_GUINT64_FORMAT "\n", time);
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}
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static gboolean
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ok_callback (GstClock * clock, GstClockTime time,
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GstClockID id, gpointer user_data)
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{
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g_message ("unlocked async id %p\n", id);
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return FALSE;
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}
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static gboolean
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error_callback (GstClock * clock, GstClockTime time,
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GstClockID id, gpointer user_data)
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{
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g_message ("unlocked unscheduled async id %p, this is wrong\n", id);
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fail_if (TRUE);
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return FALSE;
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}
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GST_START_TEST (test_single_shot)
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{
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GstClock *clock;
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GstClockID id, id2;
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GstClockTime base;
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GstClockReturn result;
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clock = gst_system_clock_obtain ();
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fail_unless (clock != NULL, "Could not create instance of GstSystemClock");
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gst_clock_debug (clock);
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base = gst_clock_get_time (clock);
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id = gst_clock_new_single_shot_id (clock, base + TIME_UNIT);
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fail_unless (id != NULL, "Could not create single shot id");
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g_message ("waiting one second\n");
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result = gst_clock_id_wait (id, NULL);
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gst_clock_debug (clock);
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fail_unless (result == GST_CLOCK_OK, "Waiting did not return OK");
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g_message ("waiting in the past\n");
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result = gst_clock_id_wait (id, NULL);
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gst_clock_debug (clock);
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fail_unless (result == GST_CLOCK_EARLY, "Waiting did not return EARLY");
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gst_clock_id_unref (id);
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id = gst_clock_new_single_shot_id (clock, base + 2 * TIME_UNIT);
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g_message ("waiting one second async id %p\n", id);
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result = gst_clock_id_wait_async (id, ok_callback, NULL);
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gst_clock_id_unref (id);
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fail_unless (result == GST_CLOCK_OK, "Waiting did not return OK");
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g_usleep (TIME_UNIT / (2 * 1000));
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id = gst_clock_new_single_shot_id (clock, base + 5 * TIME_UNIT);
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g_message ("waiting one second async, with cancel on id %p\n", id);
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result = gst_clock_id_wait_async (id, error_callback, NULL);
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fail_unless (result == GST_CLOCK_OK, "Waiting did not return OK");
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g_usleep (TIME_UNIT / (2 * 1000));
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g_message ("cancel id %p after half a time unit\n", id);
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gst_clock_id_unschedule (id);
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gst_clock_id_unref (id);
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g_message ("canceled id %p\n", id);
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g_message ("waiting multiple one second async, with cancel\n");
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id = gst_clock_new_single_shot_id (clock, base + 5 * TIME_UNIT);
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id2 = gst_clock_new_single_shot_id (clock, base + 6 * TIME_UNIT);
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g_message ("waiting id %p\n", id);
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result = gst_clock_id_wait_async (id, ok_callback, NULL);
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fail_unless (result == GST_CLOCK_OK, "Waiting did not return OK");
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gst_clock_id_unref (id);
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g_message ("waiting id %p\n", id2);
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result = gst_clock_id_wait_async (id2, error_callback, NULL);
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fail_unless (result == GST_CLOCK_OK, "Waiting did not return OK");
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g_usleep (TIME_UNIT / (2 * 1000));
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g_message ("cancel id %p after half a time unit\n", id2);
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gst_clock_id_unschedule (id2);
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g_message ("canceled id %p\n", id2);
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gst_clock_id_unref (id2);
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g_usleep (TIME_UNIT / (2 * 1000));
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}
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GST_END_TEST
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GST_START_TEST (test_periodic_shot)
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{
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GstClock *clock;
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GstClockID id, id2;
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GstClockTime base;
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GstClockReturn result;
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clock = gst_system_clock_obtain ();
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fail_unless (clock != NULL, "Could not create instance of GstSystemClock");
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gst_clock_debug (clock);
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base = gst_clock_get_time (clock);
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/* signal every half a time unit */
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id = gst_clock_new_periodic_id (clock, base + TIME_UNIT, TIME_UNIT / 2);
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fail_unless (id != NULL, "Could not create periodic id");
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g_message ("waiting one time unit\n");
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result = gst_clock_id_wait (id, NULL);
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gst_clock_debug (clock);
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fail_unless (result == GST_CLOCK_OK, "Waiting did not return OK");
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g_message ("waiting for the next\n");
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result = gst_clock_id_wait (id, NULL);
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gst_clock_debug (clock);
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fail_unless (result == GST_CLOCK_OK, "Waiting did not return OK");
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g_message ("waiting for the next async %p\n", id);
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result = gst_clock_id_wait_async (id, ok_callback, NULL);
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fail_unless (result == GST_CLOCK_OK, "Waiting did not return OK");
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g_usleep (TIME_UNIT / (2 * 1000));
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g_message ("waiting some more for the next async %p\n", id);
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result = gst_clock_id_wait_async (id, ok_callback, NULL);
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fail_unless (result == GST_CLOCK_OK, "Waiting did not return OK");
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g_usleep (TIME_UNIT / (2 * 1000));
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id2 = gst_clock_new_periodic_id (clock, base + TIME_UNIT, TIME_UNIT / 2);
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fail_unless (id2 != NULL, "Could not create second periodic id");
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g_message ("waiting some more for another async %p\n", id2);
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result = gst_clock_id_wait_async (id2, ok_callback, NULL);
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fail_unless (result == GST_CLOCK_OK, "Waiting did not return OK");
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g_usleep (TIME_UNIT / (2 * 1000));
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g_message ("unschedule %p\n", id);
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gst_clock_id_unschedule (id);
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/* entry cannot be used again */
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result = gst_clock_id_wait_async (id, error_callback, NULL);
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fail_unless (result == GST_CLOCK_UNSCHEDULED,
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"Waiting did not return UNSCHEDULED");
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result = gst_clock_id_wait (id, NULL);
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fail_unless (result == GST_CLOCK_UNSCHEDULED,
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"Waiting did not return UNSCHEDULED");
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g_usleep (TIME_UNIT / (2 * 1000));
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/* clean up */
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gst_clock_id_unref (id);
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}
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GST_END_TEST
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GST_START_TEST (test_diff)
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{
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GstClockTime time1[] =
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{ 0, -1, 0, 1, 2 * GST_SECOND, -GST_SECOND, -GST_SECOND };
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GstClockTime time2[] =
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{ 0, 1, 1, 0, 1 * GST_SECOND, -GST_SECOND, GST_SECOND };
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GstClockTimeDiff d[] = { 0, 2, 1, -1, -GST_SECOND, 0, 2 * GST_SECOND };
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guint i;
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for (i = 0; i < G_N_ELEMENTS (d); i++) {
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fail_if (d[i] != GST_CLOCK_DIFF (time1[i], time2[i]));
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}
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}
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GST_END_TEST Suite * gst_systemclock_suite (void)
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{
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Suite *s = suite_create ("GstSystemClock");
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TCase *tc_chain = tcase_create ("waiting");
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suite_add_tcase (s, tc_chain);
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tcase_add_test (tc_chain, test_signedness);
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tcase_add_test (tc_chain, test_single_shot);
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tcase_add_test (tc_chain, test_periodic_shot);
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tcase_add_test (tc_chain, test_diff);
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return s;
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}
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int
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main (int argc, char **argv)
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{
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int nf;
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Suite *s = gst_systemclock_suite ();
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SRunner *sr = srunner_create (s);
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gst_check_init (&argc, &argv);
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srunner_run_all (sr, CK_NORMAL);
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nf = srunner_ntests_failed (sr);
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srunner_free (sr);
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return nf;
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}
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