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harness: enable empty harness creation and refactor around this

Browse source 
Also make the testclock a member of the harness, allowing some
more interactions with the clock prior to adding elements.

https://bugzilla.gnome.org/show_bug.cgi?id=761905
This commit is contained in:
Havard Graff 2015-12-09 13:43:38 +11:00 committed by Tim-Philipp Müller
parent 9d56c0e397
commit cc4e4ae029
4 changed files with 195 additions and 129 deletions
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3
docs/libs/gstreamer-libs-sections.txt
View file

@ -1215,12 +1215,15 @@ gst_consistency_checker_add_pad
<INCLUDE>gst/check/check.h</INCLUDE>
GstHarness
gst_harness_new_empty
gst_harness_new_full
gst_harness_new_with_element
gst_harness_new_with_padnames
gst_harness_new_with_templates
gst_harness_new
gst_harness_new_parse
gst_harness_add_element_full
gst_harness_add_parse
gst_harness_teardown
gst_harness_add_element_src_pad

3
libs/gst/check/Makefile.am
View file

@ -96,7 +96,9 @@ LIBGSTCHECK_EXPORTED_FUNCS = \
gst_consistency_checker_new \
gst_consistency_checker_reset \
gst_consistency_checker_free \
gst_harness_add_element_full \
gst_harness_add_element_src_pad \
gst_harness_add_parse \
gst_harness_add_probe \
gst_harness_add_sink \
gst_harness_add_sink_harness \
@ -118,6 +120,7 @@ LIBGSTCHECK_EXPORTED_FUNCS = \
gst_harness_get_last_pushed_timestamp \
gst_harness_get_testclock \
gst_harness_new \
gst_harness_new_empty \
gst_harness_new_full \
gst_harness_new_parse \
gst_harness_new_with_element \

307
libs/gst/check/gstharness.c
View file

@ -159,6 +159,7 @@ struct _GstHarnessPrivate
gboolean forwarding;
GstPad *sink_forward_pad;
GstTestClock *testclock;
volatile gint recv_buffers;
volatile gint recv_events;
@ -602,6 +603,127 @@ gst_pad_is_request_pad (GstPad * pad)
return is_request;
}
/**
* gst_harness_new_empty: (skip)
*
* Creates a new empty harness. Use gst_harness_add_element_full() to add
* an #GstElement to it.
*
* MT safe.
*
* Returns: (transfer full): a #GstHarness, or %NULL if the harness could
* not be created
*
* Since: 1.8
*/
GstHarness *
gst_harness_new_empty (void)
{
GstHarness *h;
GstHarnessPrivate *priv;
h = g_new0 (GstHarness, 1);
g_assert (h != NULL);
h->priv = g_new0 (GstHarnessPrivate, 1);
priv = h->priv;
GST_DEBUG_OBJECT (h, "about to create new harness %p", h);
priv->last_push_ts = GST_CLOCK_TIME_NONE;
priv->latency_min = 0;
priv->latency_max = GST_CLOCK_TIME_NONE;
priv->drop_buffers = FALSE;
priv->testclock = GST_TEST_CLOCK_CAST (gst_test_clock_new ());
priv->propose_allocator = NULL;
gst_allocation_params_init (&priv->propose_allocation_params);
g_mutex_init (&priv->blocking_push_mutex);
g_cond_init (&priv->blocking_push_cond);
priv->stress = g_ptr_array_new_with_free_func (
(GDestroyNotify) gst_harness_stress_free);
/* we have forwarding on as a default */
gst_harness_set_forwarding (h, TRUE);
return h;
}
/**
* gst_harness_add_element_full: (skip)
* @h: a #GstHarness
* @element: a #GstElement to add to the harness (transfer none)
* @hsrc: (allow-none): a #GstStaticPadTemplate describing the harness srcpad.
* %NULL will not create a harness srcpad.
* @element_sinkpad_name: (allow-none): a #gchar with the name of the element
* sinkpad that is then linked to the harness srcpad. Can be a static or request
* or a sometimes pad that has been added. %NULL will not get/request a sinkpad
* from the element. (Like if the element is a src.)
* @hsink: (allow-none): a #GstStaticPadTemplate describing the harness sinkpad.
* %NULL will not create a harness sinkpad.
* @element_srcpad_name: (allow-none): a #gchar with the name of the element
* srcpad that is then linked to the harness sinkpad, similar to the
* @element_sinkpad_name.
*
* Adds a #GstElement to an empty #GstHarness
*
* MT safe.
*
* Since: 1.6
*/
void
gst_harness_add_element_full (GstHarness * h, GstElement * element,
GstStaticPadTemplate * hsrc, const gchar * element_sinkpad_name,
GstStaticPadTemplate * hsink, const gchar * element_srcpad_name)
{
gboolean has_sinkpad, has_srcpad;
g_return_if_fail (element != NULL);
g_return_if_fail (h->element == NULL);
h->element = gst_object_ref (element);
check_element_type (element, &has_sinkpad, &has_srcpad);
/* setup the loose srcpad linked to the element sinkpad */
if (has_sinkpad)
gst_harness_setup_src_pad (h, hsrc, element_sinkpad_name);
/* setup the loose sinkpad linked to the element srcpad */
if (has_srcpad)
gst_harness_setup_sink_pad (h, hsink, element_srcpad_name);
/* as a harness sink, we should not need sync and async */
if (has_sinkpad && !has_srcpad)
turn_async_and_sync_off (h->element);
if (h->srcpad != NULL) {
gboolean handled;
gchar *stream_id = g_strdup_printf ("%s-%p",
GST_OBJECT_NAME (h->element), h);
handled = gst_pad_push_event (h->srcpad,
gst_event_new_stream_start (stream_id));
g_assert (handled);
g_free (stream_id);
}
/* don't start sources, they start producing data! */
if (has_sinkpad)
gst_harness_play (h);
/* if the element already has a testclock attached, we replace our own with it */
if (GST_ELEMENT_CLOCK (element) && GST_IS_TEST_CLOCK (GST_ELEMENT_CLOCK (element))) {
gst_object_replace ((GstObject **) & h->priv->testclock,
(GstObject *) GST_ELEMENT_CLOCK (element));
}
gst_harness_element_ref (h);
GST_DEBUG_OBJECT (h, "added element to harness %p "
"with element_srcpad_name (%p, %s, %s) and element_sinkpad_name (%p, %s, %s)",
h, h->srcpad, GST_DEBUG_PAD_NAME (h->srcpad),
h->sinkpad, GST_DEBUG_PAD_NAME (h->sinkpad));
}
/**
* gst_harness_new_full: (skip)
* @element: a #GstElement to attach the harness to (transfer none)
@ -632,70 +754,9 @@ gst_harness_new_full (GstElement * element,
GstStaticPadTemplate * hsink, const gchar * element_srcpad_name)
{
GstHarness *h;
GstHarnessPrivate *priv;
gboolean has_sinkpad, has_srcpad;
g_return_val_if_fail (element != NULL, NULL);
h = g_new0 (GstHarness, 1);
g_assert (h != NULL);
h->priv = g_new0 (GstHarnessPrivate, 1);
priv = h->priv;
GST_DEBUG_OBJECT (h, "about to create new harness %p", h);
h->element = gst_object_ref (element);
priv->last_push_ts = GST_CLOCK_TIME_NONE;
priv->latency_min = 0;
priv->latency_max = GST_CLOCK_TIME_NONE;
priv->drop_buffers = FALSE;
priv->propose_allocator = NULL;
gst_allocation_params_init (&priv->propose_allocation_params);
g_mutex_init (&priv->blocking_push_mutex);
g_cond_init (&priv->blocking_push_cond);
check_element_type (element, &has_sinkpad, &has_srcpad);
/* setup the loose srcpad linked to the element sinkpad */
if (has_sinkpad)
gst_harness_setup_src_pad (h, hsrc, element_sinkpad_name);
/* setup the loose sinkpad linked to the element srcpad */
if (has_srcpad)
gst_harness_setup_sink_pad (h, hsink, element_srcpad_name);
/* as a harness sink, we should not need sync and async */
if (has_sinkpad && !has_srcpad)
turn_async_and_sync_off (h->element);
if (h->srcpad != NULL) {
gboolean handled;
gchar *stream_id = g_strdup_printf ("%s-%p",
GST_OBJECT_NAME (h->element), h);
handled = gst_pad_push_event (h->srcpad,
gst_event_new_stream_start (stream_id));
g_assert (handled);
g_free (stream_id);
}
/* don't start sources, they start producing data! */
if (has_sinkpad)
gst_harness_play (h);
gst_harness_element_ref (h);
GST_DEBUG_OBJECT (h, "created new harness %p "
"with element_srcpad_name (%p, %s, %s) and element_sinkpad_name (%p, %s, %s)",
h, h->srcpad, GST_DEBUG_PAD_NAME (h->srcpad),
h->sinkpad, GST_DEBUG_PAD_NAME (h->sinkpad));
priv->stress = g_ptr_array_new_with_free_func (
(GDestroyNotify) gst_harness_stress_free);
/* we have forwarding on as a default */
gst_harness_set_forwarding (h, TRUE);
h = gst_harness_new_empty ();
gst_harness_add_element_full (h, element,
hsrc, element_sinkpad_name, hsink, element_srcpad_name);
return h;
}
@ -814,30 +875,27 @@ gst_harness_new (const gchar * element_name)
}
/**
* gst_harness_new_parse: (skip)
* gst_harness_add_parse: (skip)
* @h: a #GstHarness
* @launchline: a #gchar describing a gst-launch type line
*
* Creates a new harness, parsing the @launchline and putting that in a #GstBin,
* and then attches the harness to the bin.
* Parses the @launchline and puts that in a #GstBin,
* and then attches the supplied #GstHarness to the bin.
*
* MT safe.
*
* Returns: (transfer full): a #GstHarness, or %NULL if the harness could
* not be created
*
* Since: 1.6
*/
GstHarness *
gst_harness_new_parse (const gchar * launchline)
void
gst_harness_add_parse (GstHarness * h, const gchar * launchline)
{
GstHarness *h;
GstBin *bin;
gchar *desc;
GstPad *pad;
GstIterator *iter;
gboolean done = FALSE;
g_return_val_if_fail (launchline != NULL, NULL);
g_return_if_fail (launchline != NULL);
desc = g_strdup_printf ("bin.( %s )", launchline);
bin =
@ -845,7 +903,7 @@ gst_harness_new_parse (const gchar * launchline)
g_free (desc);
if (G_UNLIKELY (bin == NULL))
return NULL;
return;
/* find pads and ghost them if necessary */
if ((pad = gst_bin_find_unlinked_pad (bin, GST_PAD_SRC)) != NULL) {
@ -875,15 +933,37 @@ gst_harness_new_parse (const gchar * launchline)
case GST_ITERATOR_ERROR:
gst_object_unref (bin);
gst_iterator_free (iter);
g_return_val_if_reached (NULL);
g_return_if_reached ();
break;
}
}
gst_iterator_free (iter);
h = gst_harness_new_full (GST_ELEMENT_CAST (bin),
gst_harness_add_element_full (h, GST_ELEMENT_CAST (bin),
&hsrctemplate, "sink", &hsinktemplate, "src");
gst_object_unref (bin);
}
/**
* gst_harness_new_parse: (skip)
* @launchline: a #gchar describing a gst-launch type line
*
* Creates a new harness, parsing the @launchline and putting that in a #GstBin,
* and then attches the harness to the bin.
*
* MT safe.
*
* Returns: (transfer full): a #GstHarness, or %NULL if the harness could
* not be created
*
* Since: 1.6
*/
GstHarness *
gst_harness_new_parse (const gchar * launchline)
{
GstHarness *h;
h = gst_harness_new_empty ();
gst_harness_add_parse (h, launchline);
return h;
}
@ -968,6 +1048,9 @@ gst_harness_teardown (GstHarness * h)
g_ptr_array_unref (priv->stress);
gst_object_unref (h->element);
gst_object_replace ((GstObject **) & priv->testclock, NULL);
g_free (h->priv);
g_free (h);
}
@ -1174,10 +1257,7 @@ gst_harness_use_systemclock (GstHarness * h)
void
gst_harness_use_testclock (GstHarness * h)
{
GstClock *clock = gst_test_clock_new ();
g_assert (clock != NULL);
gst_element_set_clock (h->element, clock);
gst_object_unref (clock);
gst_element_set_clock (h->element, GST_CLOCK_CAST (h->priv->testclock));
}
/**
@ -1197,17 +1277,7 @@ gst_harness_use_testclock (GstHarness * h)
GstTestClock *
gst_harness_get_testclock (GstHarness * h)
{
GstTestClock *testclock = NULL;
GstClock *clock;
clock = gst_element_get_clock (h->element);
if (clock) {
if (GST_IS_TEST_CLOCK (clock))
testclock = GST_TEST_CLOCK (clock);
else
gst_object_unref (clock);
}
return testclock;
return gst_object_ref (h->priv->testclock);
}
/**
@ -1226,13 +1296,7 @@ gst_harness_get_testclock (GstHarness * h)
gboolean
gst_harness_set_time (GstHarness * h, GstClockTime time)
{
GstTestClock *testclock;
testclock = gst_harness_get_testclock (h);
if (testclock == NULL)
return FALSE;
gst_test_clock_set_time (testclock, time);
gst_object_unref (testclock);
gst_test_clock_set_time (h->priv->testclock, time);
return TRUE;
}
@ -1258,13 +1322,10 @@ gst_harness_set_time (GstHarness * h, GstClockTime time)
gboolean
gst_harness_wait_for_clock_id_waits (GstHarness * h, guint waits, guint timeout)
{
GstTestClock *testclock = gst_harness_get_testclock (h);
GstTestClock *testclock = h->priv->testclock;
gint64 start_time;
gboolean ret;
if (testclock == NULL)
return FALSE;
start_time = g_get_monotonic_time ();
while (gst_test_clock_peek_id_count (testclock) < waits) {
gint64 time_spent;
@ -1277,7 +1338,6 @@ gst_harness_wait_for_clock_id_waits (GstHarness * h, guint waits, guint timeout)
ret = (waits == gst_test_clock_peek_id_count (testclock));
gst_object_unref (testclock);
return ret;
}
@ -1303,31 +1363,25 @@ gst_harness_wait_for_clock_id_waits (GstHarness * h, guint waits, guint timeout)
gboolean
gst_harness_crank_single_clock_wait (GstHarness * h)
{
GstTestClock *testclock = gst_harness_get_testclock (h);
GstTestClock *testclock = h->priv->testclock;
GstClockID res, pending;
gboolean ret = FALSE;
if (G_LIKELY (testclock != NULL)) {
gst_test_clock_wait_for_next_pending_id (testclock, &pending);
gst_test_clock_set_time (testclock, gst_clock_id_get_time (pending));
res = gst_test_clock_process_next_clock_id (testclock);
if (res == pending) {
GST_DEBUG ("cranked time %" GST_TIME_FORMAT,
GST_TIME_ARGS (gst_clock_get_time (GST_CLOCK (testclock))));
ret = TRUE;
} else {
GST_WARNING ("testclock next id != pending (%p != %p)", res, pending);
}
gst_clock_id_unref (res);
gst_clock_id_unref (pending);
gst_object_unref (testclock);
gst_test_clock_wait_for_next_pending_id (testclock, &pending);
gst_test_clock_set_time (testclock, gst_clock_id_get_time (pending));
res = gst_test_clock_process_next_clock_id (testclock);
if (res == pending) {
GST_DEBUG ("cranked time %" GST_TIME_FORMAT,
GST_TIME_ARGS (gst_clock_get_time (GST_CLOCK (testclock))));
ret = TRUE;
} else {
GST_WARNING ("No testclock on element %s", GST_ELEMENT_NAME (h->element));
GST_WARNING ("testclock next id != pending (%p != %p)", res, pending);
}
if (G_LIKELY (res != NULL))
gst_clock_id_unref (res);
gst_clock_id_unref (pending);
return ret;
}
@ -1352,20 +1406,15 @@ gst_harness_crank_single_clock_wait (GstHarness * h)
gboolean
gst_harness_crank_multiple_clock_waits (GstHarness * h, guint waits)
{
GstTestClock *testclock;
GstTestClock *testclock = h->priv->testclock;
GList *pending;
guint processed;
testclock = gst_harness_get_testclock (h);
if (testclock == NULL)
return FALSE;
gst_test_clock_wait_for_multiple_pending_ids (testclock, waits, &pending);
gst_harness_set_time (h, gst_test_clock_id_list_get_latest_time (pending));
processed = gst_test_clock_process_id_list (testclock, pending);
g_list_free_full (pending, gst_clock_id_unref);
gst_object_unref (testclock);
return processed == waits;
}

11
libs/gst/check/gstharness.h
View file

@ -63,6 +63,15 @@ struct _GstHarness {
/* Harness creation */
GstHarness * gst_harness_new_empty (void);
void gst_harness_add_element_full (GstHarness * h,
GstElement * element,
GstStaticPadTemplate * hsrc,
const gchar * element_sinkpad_name,
GstStaticPadTemplate * hsink,
const gchar * element_srcpad_name);
GstHarness * gst_harness_new_full (GstElement * element,
GstStaticPadTemplate * hsrc,
const gchar * element_sinkpad_name,
@ -85,6 +94,8 @@ GstHarness * gst_harness_new (const gchar * element_name);
GstHarness * gst_harness_new_parse (const gchar * launchline);
void gst_harness_add_parse (GstHarness * h, const gchar * launchline);
void gst_harness_teardown (GstHarness * h);
void gst_harness_add_element_src_pad (GstHarness * h, GstPad * srcpad);