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69e6cd773a
Add a new property so that clocksync can setup "ts-offset" value based on the first buffer and pipeline's running time when the first arrived. Newly update "ts-offset" in this case would be a value that allows outputting the first buffer without clock waiting. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/702>
258 lines
7.9 KiB
C
258 lines
7.9 KiB
C
/* GStreamer
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*
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* unit test for clocksync
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*
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* Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
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* Copyright (C) <2015> Havard Graff <havard@pexip.com>
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* Copyright (C) <2020> Jan Schmidt <jan@centricular.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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/check/gstcheck.h>
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#include <gst/check/gstharness.h>
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GST_START_TEST (test_one_buffer)
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{
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GstHarness *h = gst_harness_new_parse ("clocksync sync=false");
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GstBuffer *buffer_in;
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GstBuffer *buffer_out;
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gst_harness_set_src_caps_str (h, "mycaps");
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buffer_in = gst_buffer_new_and_alloc (4);
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ASSERT_BUFFER_REFCOUNT (buffer_in, "buffer", 1);
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gst_buffer_fill (buffer_in, 0, "data", 4);
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/* pushing gives away my reference ... */
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fail_unless_equals_int (GST_FLOW_OK, gst_harness_push (h, buffer_in));
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/* ... but it should end up being collected on GstHarness queue */
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fail_unless_equals_int (1, gst_harness_buffers_in_queue (h));
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buffer_out = gst_harness_pull (h);
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fail_unless (buffer_in == buffer_out);
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ASSERT_BUFFER_REFCOUNT (buffer_out, "buffer", 1);
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/* cleanup */
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gst_buffer_unref (buffer_out);
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gst_harness_teardown (h);
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}
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GST_END_TEST;
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GST_START_TEST (test_sync_on_timestamp)
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{
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/* the reason to use the queue in front of the clocksync element
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is to effectively make gst_harness_push asynchronous, not locking
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up the test, waiting for gst_clock_id_wait */
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GstHarness *h = gst_harness_new_parse ("queue ! clocksync");
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GstBuffer *buf;
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GstClock *clock;
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GstClockTime timestamp = 123456789;
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/* use testclock */
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gst_harness_use_testclock (h);
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gst_harness_set_src_caps_str (h, "mycaps");
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/* make a buffer and set the timestamp */
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buf = gst_buffer_new ();
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GST_BUFFER_PTS (buf) = timestamp;
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/* push the buffer, and verify it does *not* make it through */
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gst_harness_push (h, buf);
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fail_unless_equals_int (0, gst_harness_buffers_in_queue (h));
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/* verify the clocksync element has registered exactly one GstClockID */
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fail_unless (gst_harness_wait_for_clock_id_waits (h, 1, 42));
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/* crank the clock and pull the buffer */
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gst_harness_crank_single_clock_wait (h);
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buf = gst_harness_pull (h);
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/* verify that the buffer has the right timestamp, and that the time on
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the clock is equal to the timestamp */
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fail_unless_equals_int64 (timestamp, GST_BUFFER_PTS (buf));
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clock = gst_element_get_clock (h->element);
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fail_unless_equals_int64 (timestamp, gst_clock_get_time (clock));
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/* cleanup */
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gst_object_unref (clock);
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gst_buffer_unref (buf);
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gst_harness_teardown (h);
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}
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GST_END_TEST;
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GST_START_TEST (test_no_sync_on_timestamp)
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{
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GstHarness *h = gst_harness_new_parse ("clocksync sync=false");
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GstBuffer *buf;
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GstClockTime timestamp = 123456789;
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/* use testclock */
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gst_harness_use_testclock (h);
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gst_harness_set_src_caps_str (h, "mycaps");
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/* make a buffer and set the timestamp */
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buf = gst_buffer_new ();
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GST_BUFFER_PTS (buf) = timestamp;
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/* push the buffer, and verify it was forwarded immediately */
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gst_harness_push (h, buf);
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fail_unless_equals_int (1, gst_harness_buffers_in_queue (h));
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buf = gst_harness_pull (h);
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/* verify that the buffer has the right timestamp */
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fail_unless_equals_int64 (timestamp, GST_BUFFER_PTS (buf));
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/* cleanup */
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gst_buffer_unref (buf);
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gst_harness_teardown (h);
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}
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GST_END_TEST;
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GST_START_TEST (test_stopping_element_unschedules_sync)
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{
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/* the reason to use the queue in front of the clocksync element
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is to effectively make gst_harness_push asynchronous, not locking
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up the test, waiting for gst_clock_id_wait */
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GstHarness *h = gst_harness_new_parse ("queue ! clocksync sync=true");
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GstBuffer *buf;
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GstClockTime timestamp = 123456789;
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/* use testclock */
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gst_harness_use_testclock (h);
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gst_harness_set_src_caps_str (h, "mycaps");
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/* make a buffer and set the timestamp */
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buf = gst_buffer_new ();
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GST_BUFFER_PTS (buf) = timestamp;
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/* push the buffer, and verify it does *not* make it through */
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gst_harness_push (h, buf);
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fail_unless_equals_int (0, gst_harness_buffers_in_queue (h));
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/* verify the clocksync element has registered exactly one GstClockID */
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fail_unless (gst_harness_wait_for_clock_id_waits (h, 1, 42));
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/* setting clocksync to READY should unschedule the sync */
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gst_element_set_state (h->element, GST_STATE_READY);
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/* verify the clocksync element no longer waits on the clock */
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fail_unless (gst_harness_wait_for_clock_id_waits (h, 0, 42));
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/* and that the waiting buffer was dropped */
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fail_unless_equals_int (0, gst_harness_buffers_received (h));
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gst_harness_teardown (h);
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}
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GST_END_TEST;
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typedef struct
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{
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guint notify_count;
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GstClockTimeDiff ts_offset;
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} ClockSyncTestData;
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static void
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clock_sync_ts_offset_changed_cb (GstElement * clocksync, GParamSpec * pspec,
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ClockSyncTestData * data)
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{
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data->notify_count++;
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g_object_get (clocksync, "ts-offset", &data->ts_offset, NULL);
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}
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GST_START_TEST (test_sync_to_first)
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{
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/* the reason to use the queue in front of the clocksync element
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is to effectively make gst_harness_push asynchronous, not locking
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up the test, waiting for gst_clock_id_wait */
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GstHarness *h =
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gst_harness_new_parse ("queue ! clocksync sync-to-first=true");
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GstBuffer *buf;
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GstClock *clock;
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GstClockTime timestamp = 123456789;
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GstElement *clocksync;
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ClockSyncTestData data;
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data.notify_count = 0;
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data.ts_offset = 0;
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clocksync = gst_harness_find_element (h, "clocksync");
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g_signal_connect (clocksync, "notify::ts-offset",
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G_CALLBACK (clock_sync_ts_offset_changed_cb), &data);
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gst_object_unref (clocksync);
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/* use testclock */
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gst_harness_use_testclock (h);
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gst_harness_set_src_caps_str (h, "mycaps");
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/* make a buffer and set the timestamp */
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buf = gst_buffer_new ();
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GST_BUFFER_PTS (buf) = timestamp;
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/* push the buffer, and verify it does *not* make it through */
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gst_harness_push (h, buf);
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fail_unless_equals_int (0, gst_harness_buffers_in_queue (h));
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/* verify the clocksync element has registered exactly one GstClockID */
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fail_unless (gst_harness_wait_for_clock_id_waits (h, 1, 42));
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/* crank the clock and pull the buffer */
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gst_harness_crank_single_clock_wait (h);
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buf = gst_harness_pull (h);
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/* verify that the buffer has the right timestamp, and that the time on
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the clock is equal to the timestamp */
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fail_unless_equals_int64 (timestamp, GST_BUFFER_PTS (buf));
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clock = gst_element_get_clock (h->element);
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/* this buffer must be pushed without clock waiting */
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fail_unless_equals_int64 (gst_clock_get_time (clock), 0);
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fail_unless_equals_int (data.notify_count, 1);
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fail_unless_equals_int64 (data.ts_offset, -timestamp);
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/* cleanup */
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gst_object_unref (clock);
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gst_buffer_unref (buf);
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gst_harness_teardown (h);
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}
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GST_END_TEST;
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static Suite *
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clocksync_suite (void)
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{
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Suite *s = suite_create ("clocksync");
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TCase *tc_chain = tcase_create ("general");
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suite_add_tcase (s, tc_chain);
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tcase_add_test (tc_chain, test_one_buffer);
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tcase_add_test (tc_chain, test_sync_on_timestamp);
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tcase_add_test (tc_chain, test_stopping_element_unschedules_sync);
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tcase_add_test (tc_chain, test_no_sync_on_timestamp);
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tcase_add_test (tc_chain, test_sync_to_first);
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return s;
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}
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GST_CHECK_MAIN (clocksync);
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