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scenario: add set_property scenario action

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Allows setting element's properties during a scenario. Very useful
for testing that elements behave correctly when changing properties
during playing state

https://bugzilla.gnome.org/show_bug.cgi?id=733070
This commit is contained in:
Thiago Santos 2014-07-11 15:45:18 -03:00
parent c73a9a38e6
commit db21883c0c
1 changed files with 61 additions and 0 deletions
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61
validate/gst/validate/gst-validate-scenario.c
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@ -828,6 +828,62 @@ _execute_dot_pipeline (GstValidateScenario * scenario,
return TRUE;
}
static gboolean
_object_set_property (GObject * object, const gchar * property,
const gchar * value_str)
{
GValue value = { 0 };
GObjectClass *klass = G_OBJECT_GET_CLASS (object);
GParamSpec *paramspec;
paramspec = g_object_class_find_property (klass, property);
if (paramspec == NULL) {
GST_ERROR ("Target doesn't have property %s", property);
return FALSE;
}
g_value_init (&value, paramspec->value_type);
if (!gst_value_deserialize (&value, value_str)) {
GST_ERROR ("Failed to deserialize string '%s' for property: '%s'",
value_str, property);
g_value_reset (&value);
return FALSE;
}
g_object_set_property (object, property, &value);
g_value_reset (&value);
return TRUE;
}
static gboolean
_execute_set_property (GstValidateScenario * scenario,
GstValidateAction * action)
{
GstElement *target;
const gchar *name;
const gchar *property;
const gchar *property_value;
gboolean ret;
name = gst_structure_get_string (action->structure, "target-element-name");
target = gst_bin_get_by_name (GST_BIN (scenario->pipeline), name);
if (target == NULL) {
GST_ERROR ("Target element with given name (%s) not found", name);
return FALSE;
}
property = gst_structure_get_string (action->structure, "property-name");
property_value =
gst_structure_get_string (action->structure, "property-value");
ret = _object_set_property (G_OBJECT (target), property, property_value);
gst_object_unref (target);
return ret;
}
static void
gst_validate_scenario_update_segment_from_seek (GstValidateScenario * scenario,
@ -1662,6 +1718,8 @@ init_scenarios (void)
const gchar *seek_mandatory_fields[] = { "start", NULL };
const gchar *wait_mandatory_fields[] = { "duration", NULL };
const gchar *set_state_mandatory_fields[] = { "state", NULL };
const gchar *set_property_mandatory_fields[] =
{ "target-element-name", "property-name", "property-value", NULL };
GST_DEBUG_CATEGORY_INIT (gst_validate_scenario_debug, "gstvalidatescenario",
GST_DEBUG_FG_YELLOW, "Gst validate scenarios");
@ -1701,4 +1759,7 @@ init_scenarios (void)
gst_validate_add_action_type ("set-state", _execute_set_state,
set_state_mandatory_fields,
"Allows to change the state of the pipeline to any GstState", FALSE);
gst_validate_add_action_type ("set-property", _execute_set_property,
set_property_mandatory_fields,
"Allows to set a property of any element in the pipeline", FALSE);
}