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validate: scenario: Add a way to make the select-streams run several times

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7700>
This commit is contained in:
Thibault Saunier 2024-02-15 17:22:23 -03:00 committed by GStreamer Marge Bot
parent 19060b2ce0
commit dfd5357214
2 changed files with 109 additions and 9 deletions
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6
girs/GstValidate-1.0.gir
View file

@ -3839,6 +3839,12 @@ against</doc>
<type name="none" c:type="void"/>
</return-value>
</glib:signal>
<glib:signal name="stopping" when="last" version="1.26">
<doc xml:space="preserve" filename="../subprojects/gst-devtools/validate/gst/validate/gst-validate-scenario.c">Emitted when the 'stop' action is fired</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
</glib:signal>
</class>
<record name="ScenarioClass" c:type="GstValidateScenarioClass" glib:is-gtype-struct-for="Scenario">
<source-position filename="../subprojects/gst-devtools/validate/gst/validate/gst-validate-scenario.h"/>

112
subprojects/gst-devtools/validate/gst/validate/gst-validate-scenario.c
View file

@ -139,6 +139,7 @@ enum
{
DONE,
ACTION_DONE,
STOPPING,
LAST_SIGNAL
};
@ -2161,17 +2162,32 @@ typedef struct
{
GstValidateAction *action;
GRecMutex m;
gulong sid;
gulong message_sid;
gulong stopping_sid;
GList *wanted_streams;
gint wanted_n_calls;
gint n_calls;
} SelectStreamData;
static SelectStreamData *
select_stream_data_new (GstValidateAction * action)
{
SelectStreamData *d = g_new0 (SelectStreamData, 1);
SelectStreamData *d = g_atomic_rc_box_new0 (SelectStreamData);
d->action = action;
d->action = gst_validate_action_ref (action);
if (!gst_structure_get_int (action->structure, "n-calls", &d->wanted_n_calls)) {
d->wanted_n_calls = 1;
}
if (d->wanted_n_calls < -1) {
gst_validate_error_structure (action,
"`n-calls` in %" GST_PTR_FORMAT " can not be < -1, got %d",
action->structure, d->wanted_n_calls);
}
return d;
}
@ -2181,9 +2197,13 @@ select_stream_data_free (SelectStreamData * d)
{
gst_validate_action_unref (d->action);
g_list_free_full (d->wanted_streams, g_free);
g_free (d);
}
static void
select_stream_data_unref (SelectStreamData * d)
{
g_atomic_rc_box_release_full (d, (GDestroyNotify) select_stream_data_free);
}
static void
stream_selection_cb (GstBus * bus, GstMessage * message, SelectStreamData * d)
@ -2203,6 +2223,7 @@ stream_selection_cb (GstBus * bus, GstMessage * message, SelectStreamData * d)
break;
case GST_MESSAGE_STREAMS_SELECTED:
g_rec_mutex_lock (&d->m);
scenario = gst_validate_action_get_scenario (d->action);
gst_message_parse_streams_selected (message, &selected_streams);
g_assert (selected_streams);
goto done;
@ -2274,14 +2295,21 @@ stream_selection_cb (GstBus * bus, GstMessage * message, SelectStreamData * d)
g_list_free_full (d->wanted_streams, g_free);
d->wanted_streams = streams;
d->n_calls += 1;
done:
if (selected_streams && d->sid) {
if (selected_streams && d->message_sid &&
d->wanted_n_calls >= 1 && d->n_calls == d->wanted_n_calls) {
/* Consider action done once we get the STREAM_SELECTED signal */
gst_validate_action_set_done (gst_validate_action_ref (d->action));
gst_bus_disable_sync_message_emission (bus);
g_signal_handler_disconnect (bus, d->sid);
d->sid = 0;
g_signal_handler_disconnect (bus, d->message_sid);
d->message_sid = 0;
if (d->stopping_sid) {
g_signal_handler_disconnect (scenario, d->stopping_sid);
d->stopping_sid = 0;
}
}
gst_clear_object (&scenario);
@ -2290,6 +2318,40 @@ done:
g_rec_mutex_unlock (&d->m);
}
static void
stream_selection_scenario_stopping_cb (GstValidateScenario * scenario,
SelectStreamData * d)
{
g_rec_mutex_lock (&d->m);
GstElement *pipeline = gst_validate_scenario_get_pipeline (scenario);
GstBus *bus = NULL;
if (pipeline) {
bus = gst_element_get_bus (pipeline);
}
if (!((d->wanted_n_calls == 0 && d->n_calls > 0) || d->wanted_n_calls == -1)) {
gst_validate_report_action (GST_VALIDATE_REPORTER (scenario), d->action,
SCENARIO_ACTION_EXECUTION_ERROR,
"Wrong number of calls: wanted %d got: %d",
d->wanted_n_calls, d->n_calls);
}
gst_validate_action_set_done (gst_validate_action_ref (d->action));
if (bus && d->message_sid) {
gst_bus_disable_sync_message_emission (bus);
g_signal_handler_disconnect (bus, d->message_sid);
d->message_sid = 0;
}
if (d->stopping_sid) {
g_signal_handler_disconnect (scenario, d->stopping_sid);
d->stopping_sid = 0;
}
g_rec_mutex_unlock (&d->m);
}
static GstValidateExecuteActionReturn
_execute_select_streams (GstValidateScenario * scenario,
GstValidateAction * action)
@ -2302,10 +2364,15 @@ _execute_select_streams (GstValidateScenario * scenario,
SelectStreamData *d = select_stream_data_new (action);
/* Ensure that the data signal ID is set before the callback is called */
g_rec_mutex_lock (&d->m);
d->sid = g_signal_connect_data (bus,
d->message_sid = g_signal_connect_data (bus,
"sync-message",
G_CALLBACK (stream_selection_cb),
d, (GClosureNotify) select_stream_data_free, 0);
d, (GClosureNotify) select_stream_data_unref, 0);
d->stopping_sid = g_signal_connect_data (scenario,
"stopping",
G_CALLBACK (stream_selection_scenario_stopping_cb),
g_atomic_rc_box_acquire (d),
(GClosureNotify) select_stream_data_unref, 0);
g_rec_mutex_unlock (&d->m);
gst_object_unref (bus);
@ -5680,6 +5747,19 @@ gst_validate_scenario_class_init (GstValidateScenarioClass * klass)
g_signal_new ("action-done", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 1,
GST_TYPE_VALIDATE_ACTION);
/**
* GstValidateScenario::stopping:
* @scenario: The scenario that is being stopped
*
* Emitted when the 'stop' action is fired
*
* Since: 1.26
*/
scenario_signals[STOPPING] =
g_signal_new ("stopping", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
}
static void
@ -6861,6 +6941,9 @@ _execute_stop (GstValidateScenario * scenario, GstValidateAction * action)
DECLARE_AND_GET_PIPELINE (scenario, action);
bus = gst_element_get_bus (pipeline);
g_signal_emit (scenario, scenario_signals[STOPPING], 0);
SCENARIO_LOCK (scenario);
if (priv->execute_actions_source_id) {
g_source_remove (priv->execute_actions_source_id);
@ -7903,6 +7986,17 @@ register_action_types (void)
.types = "[int]",
.possible_variables = NULL,
},
{
.name = "n-calls",
.description = "Number of times the `select-stream` event should be sent to the pipeline\n"
" - `0` means 0 or more"
" - `-1` means at least once"
" - Other numbers are exact number of calls",
.mandatory = FALSE,
.types = "int",
.def = "1",
.possible_variables = NULL,
},
{NULL}
}),
"Select the stream on next `GST_STREAM_COLLECTION` message on the bus.",