gstreamer/tests/check/elements/streamsynchronizer.c
Tim-Philipp Müller 7509343e53 tests: fix race in streamsynchronizer test
Wait for thread to exit before starting to free the
to_push list, otherwise thread might check the final
to_push->next node only after we've freed it already.
2013-11-12 19:03:19 +00:00

306 lines
8.8 KiB
C

/* GStreamer unit tests for streamsynchronizer
*
* Copyright (C) 2012 Edward Hervey <edward@collabora.com>, Collabora Ltd
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#define GLIB_DISABLE_DEPRECATION_WARNINGS
#undef GST_CAT_DEFAULT
#include <gst/check/gstcheck.h>
static GstStaticPadTemplate mysinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
static GstStaticPadTemplate mysrctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
typedef struct
{
GstPad *pad;
GList *to_push;
} MyPushInfo;
GMutex push_mutex;
GCond push_cond;
static GstPad *
get_other_pad (GstPad * pad)
{
GstIterator *it;
GValue item = G_VALUE_INIT;
GstPad *otherpad;
it = gst_pad_iterate_internal_links (pad);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
otherpad = g_value_dup_object (&item);
g_value_unset (&item);
gst_iterator_free (it);
return otherpad;
}
static GstFlowReturn
my_sink_chain (GstPad * pad, GstObject * parent, GstBuffer * buf)
{
GList **expected = GST_PAD_ELEMENT_PRIVATE (pad);
GList *next;
GstBuffer *exp;
fail_if (*expected == NULL,
"streamsynchronizer pushed a buffer/event but we didn't expect any");
next = (*expected)->next;
fail_if (GST_IS_EVENT ((*expected)->data),
"Expected an event (%s) but got a buffer instead",
GST_EVENT_TYPE_NAME (GST_EVENT ((*expected)->data)));
exp = GST_BUFFER ((*expected)->data);
fail_unless_equals_uint64 (GST_BUFFER_TIMESTAMP (buf),
GST_BUFFER_TIMESTAMP (exp));
GST_DEBUG ("Properly received expected buffer");
gst_buffer_unref (exp);
gst_buffer_unref (buf);
g_list_free1 (*expected);
*expected = next;
/* When done signal main thread */
if (next == NULL) {
g_mutex_lock (&push_mutex);
g_cond_signal (&push_cond);
g_mutex_unlock (&push_mutex);
}
return GST_FLOW_OK;
}
static gboolean
my_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
{
GList **expected = GST_PAD_ELEMENT_PRIVATE (pad);
GList *next;
GstEvent *exp;
fail_if (*expected == NULL,
"streamsynchronizer pushed a buffer/event but we didn't expect any");
next = (*expected)->next;
fail_unless (GST_IS_EVENT ((*expected)->data),
"We were not expecting an event (But got an event of type %s)",
GST_EVENT_TYPE_NAME (event));
exp = GST_EVENT ((*expected)->data);
fail_unless (GST_EVENT_TYPE (event) == GST_EVENT_TYPE (exp),
"Got event of type %s but expected of type %s",
GST_EVENT_TYPE_NAME (event), GST_EVENT_TYPE_NAME (exp));
fail_unless_equals_int (GST_EVENT_SEQNUM (event), GST_EVENT_SEQNUM (exp));
/* FIXME : Check more types */
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEGMENT:
{
const GstSegment *recvseg, *expectseg;
/* Compare segment values */
gst_event_parse_segment (event, &recvseg);
gst_event_parse_segment (exp, &expectseg);
fail_unless_equals_int (recvseg->format, expectseg->format);
fail_unless_equals_uint64 (recvseg->base, expectseg->base);
fail_unless_equals_uint64 (recvseg->offset, expectseg->offset);
fail_unless_equals_uint64 (recvseg->start, expectseg->start);
fail_unless_equals_uint64 (recvseg->stop, expectseg->stop);
fail_unless_equals_uint64 (recvseg->time, expectseg->time);
fail_unless_equals_uint64 (recvseg->position, expectseg->position);
fail_unless_equals_uint64 (recvseg->duration, expectseg->duration);
}
break;
default:
break;
}
GST_DEBUG ("Properly received expected event %s", GST_EVENT_TYPE_NAME (exp));
gst_event_unref (exp);
gst_event_unref (event);
g_list_free1 (*expected);
*expected = next;
/* When done signal main thread */
if (next == NULL) {
g_mutex_lock (&push_mutex);
g_cond_signal (&push_cond);
g_mutex_unlock (&push_mutex);
}
return TRUE;
}
static gpointer
my_push_thread (MyPushInfo * pushinfo)
{
GList *tmp;
/* FIXME : Do this in a thread */
for (tmp = pushinfo->to_push; tmp; tmp = tmp->next) {
if (GST_IS_EVENT (tmp->data))
gst_pad_push_event (pushinfo->pad, GST_EVENT (tmp->data));
else
gst_pad_push (pushinfo->pad, GST_BUFFER (tmp->data));
}
GST_INFO ("leaving thread");
return NULL;
}
GST_START_TEST (test_basic)
{
GstElement *synchr;
GstPad *sinkpad, *srcpad;
GstPad *mysrcpad, *mysinkpad;
GList *to_push = NULL, *expected = NULL;
GstEvent *event;
GstBuffer *buf;
GThread *thread;
MyPushInfo pushinfo;
guint i;
GstSegment segment;
guint32 seqnum;
synchr = gst_element_factory_make ("streamsynchronizer", NULL);
/* Get sinkpad/srcpad */
sinkpad = gst_element_get_request_pad (synchr, "sink_%u");
fail_unless (sinkpad != NULL);
srcpad = get_other_pad (sinkpad);
fail_unless (srcpad != NULL);
gst_element_set_state (synchr, GST_STATE_PLAYING);
mysrcpad = gst_pad_new_from_static_template (&mysrctemplate, "src");
fail_if (mysrcpad == NULL);
fail_unless (gst_pad_link (mysrcpad, sinkpad) == GST_PAD_LINK_OK);
fail_unless (gst_pad_set_active (mysrcpad, TRUE));
mysinkpad = gst_pad_new_from_static_template (&mysinktemplate, "sink");
gst_pad_set_chain_function (mysinkpad, my_sink_chain);
gst_pad_set_event_function (mysinkpad, my_sink_event);
fail_if (mysinkpad == NULL);
fail_unless (gst_pad_link (srcpad, mysinkpad) == GST_PAD_LINK_OK);
fail_unless (gst_pad_set_active (mysinkpad, TRUE));
GST_PAD_ELEMENT_PRIVATE (mysinkpad) = &expected;
/* Start with a stream START and a new segment */
event = gst_event_new_stream_start ("lala");
to_push = g_list_append (to_push, event);
expected = g_list_append (expected, gst_event_ref (event));
gst_segment_init (&segment, GST_FORMAT_TIME);
event = gst_event_new_segment (&segment);
to_push = g_list_append (to_push, event);
expected = g_list_append (expected, gst_event_ref (event));
/* Then 10 buffers */
for (i = 0; i < 10; i++) {
buf = gst_buffer_new ();
GST_BUFFER_TIMESTAMP (buf) = i * GST_SECOND;
GST_BUFFER_DURATION (buf) = GST_SECOND;
to_push = g_list_append (to_push, buf);
expected = g_list_append (expected, gst_buffer_ref (buf));
}
/* Then a new stream start */
event = gst_event_new_stream_start ("lala again");
to_push = g_list_append (to_push, event);
expected = g_list_append (expected, gst_event_ref (event));
/* This newsegment will be updated */
gst_segment_init (&segment, GST_FORMAT_TIME);
event = gst_event_new_segment (&segment);
seqnum = gst_event_get_seqnum (event);
to_push = g_list_append (to_push, event);
/* The received segment's base should be updated by streamsynchronizer to
* take into account the amount of data played before (i.e. 10s) */
segment.base = 10 * GST_SECOND;
event = gst_event_new_segment (&segment);
gst_event_set_seqnum (event, seqnum);
expected = g_list_append (expected, event);
/* Then 10 buffers */
for (i = 0; i < 10; i++) {
buf = gst_buffer_new ();
GST_BUFFER_TIMESTAMP (buf) = i * GST_SECOND;
GST_BUFFER_DURATION (buf) = GST_SECOND;
to_push = g_list_append (to_push, buf);
expected = g_list_append (expected, gst_buffer_ref (buf));
}
g_mutex_init (&push_mutex);
g_cond_init (&push_cond);
pushinfo.pad = mysrcpad;
pushinfo.to_push = to_push;
g_mutex_lock (&push_mutex);
thread = g_thread_new ("pushthread", (GThreadFunc) my_push_thread, &pushinfo);
fail_unless (thread != NULL);
g_cond_wait (&push_cond, &push_mutex);
g_mutex_unlock (&push_mutex);
fail_if (expected != NULL);
/* wait for thread to exit before freeing things */
g_thread_join (thread);
/* Cleanup */
g_list_free (to_push);
gst_element_release_request_pad (synchr, sinkpad);
gst_object_unref (srcpad);
gst_object_unref (sinkpad);
gst_object_unref (mysinkpad);
gst_object_unref (mysrcpad);
gst_element_set_state (synchr, GST_STATE_NULL);
gst_object_unref (synchr);
}
GST_END_TEST;
static Suite *
streamsynchronizer_suite (void)
{
Suite *s = suite_create ("streamsynchronizer");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_basic);
return s;
}
GST_CHECK_MAIN (streamsynchronizer);