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structured-interface: Properly error out when a child property could not be set

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This commit is contained in:
Thibault Saunier 2019-08-14 15:48:46 -04:00
parent eac22d333a
commit 448091583a
2 changed files with 23 additions and 5 deletions
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2
ges/ges-project.c
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@ -47,7 +47,7 @@
* ## Subprojects
*
* In order to add a subproject, the only thing to do is to add the subproject
* with to the main project:
* to the main project:
*
* ``` c
* ges_project_add_asset (project, GES_ASSET (subproject));

26
ges/ges-structured-interface.c
View file

@ -674,11 +674,29 @@ _ges_set_child_property_from_struct (GESTimeline * timeline,
value = gst_structure_get_value (structure, "value");
GST_DEBUG ("%s Setting %s property to %p",
element->name, property_name, value);
g_print ("%s Setting %s property to %s\n", element->name, property_name,
gst_value_serialize (value));
ges_timeline_element_set_child_property (element, property_name,
(GValue *) value);
if (!ges_timeline_element_set_child_property (element, property_name,
(GValue *) value)) {
guint n_specs, i;
GParamSpec **specs =
ges_timeline_element_list_children_properties (element, &n_specs);
GString *errstr = g_string_new (NULL);
g_string_append_printf (errstr,
"\n Could not set property `%s` on `%s`, valid properties:\n",
property_name, GES_TIMELINE_ELEMENT_NAME (element));
for (i = 0; i < n_specs; i++)
g_string_append_printf (errstr, " - %s\n", specs[i]->name);
g_free (specs);
*error = g_error_new_literal (GES_ERROR, 0, errstr->str);
g_string_free (errstr, TRUE);
return FALSE;
}
return _ges_save_timeline_if_needed (timeline, structure, error);
}