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track-element: Fix the way we look for properties on simple elements

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Refactor so that the same code is used to add children properties from
bin children and when inspecting a single element.
This commit is contained in:
Thibault Saunier 2018-04-20 17:54:12 -03:00
parent 561fcfb576
commit 835d693749
1 changed files with 56 additions and 71 deletions
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127
ges/ges-track-element.c
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@ -672,6 +672,58 @@ add_failure:
}
}
static void
ges_track_element_add_child_props (GESTrackElement * self,
GstElement * child, const gchar ** wanted_categories,
const gchar ** blacklist, const gchar ** whitelist)
{
GstElementFactory *factory;
const gchar *klass;
GParamSpec **parray;
GObjectClass *gobject_klass;
gchar **categories;
guint i;
factory = gst_element_get_factory (child);
klass = gst_element_factory_get_metadata (factory,
GST_ELEMENT_METADATA_KLASS);
if (strv_find_str (blacklist, GST_OBJECT_NAME (factory))) {
GST_DEBUG_OBJECT (self, "%s blacklisted", GST_OBJECT_NAME (factory));
return;
}
GST_DEBUG_OBJECT (self, "Looking at element '%s' of klass '%s'",
GST_ELEMENT_NAME (child), klass);
categories = g_strsplit (klass, "/", 0);
for (i = 0; categories[i]; i++) {
if ((!wanted_categories ||
strv_find_str (wanted_categories, categories[i]))) {
guint i, nb_specs;
gobject_klass = G_OBJECT_GET_CLASS (child);
parray = g_object_class_list_properties (gobject_klass, &nb_specs);
for (i = 0; i < nb_specs; i++) {
if ((parray[i]->flags & G_PARAM_WRITABLE) &&
(!whitelist || strv_find_str (whitelist, parray[i]->name))) {
ges_timeline_element_add_child_property (GES_TIMELINE_ELEMENT
(self), parray[i], G_OBJECT (child));
}
}
g_free (parray);
GST_DEBUG
("%d configurable properties of '%s' added to property hashtable",
nb_specs, GST_ELEMENT_NAME (child));
break;
}
}
g_strfreev (categories);
}
/**
* ges_track_element_add_children_props:
* @self: The #GESTrackElement to set chidlren props on
@ -696,39 +748,11 @@ ges_track_element_add_children_props (GESTrackElement * self,
{
GValue item = { 0, };
GstIterator *it;
GParamSpec **parray;
GObjectClass *class;
const gchar *klass;
GstElementFactory *factory;
gboolean done = FALSE;
if (!GST_IS_BIN (element)) {
guint i;
GParamSpec *pspec;
GObjectClass *class = G_OBJECT_GET_CLASS (element);
for (i = 0; whitelist[i]; i++) {
pspec = g_object_class_find_property (class, whitelist[i]);
if (!pspec) {
GST_WARNING ("no such property : %s in element : %s", whitelist[i],
gst_element_get_name (element));
continue;
}
if (pspec->flags) {
ges_timeline_element_add_child_property (GES_TIMELINE_ELEMENT (self),
pspec, G_OBJECT (element));
GST_LOG_OBJECT (self,
"added property %s to controllable properties successfully !",
whitelist[i]);
} else
GST_WARNING
("the property %s for element %s exists but is not writable",
whitelist[i], gst_element_get_name (element));
}
ges_track_element_add_child_props (self, element, wanted_categories,
blacklist, whitelist);
return;
}
@ -739,48 +763,9 @@ ges_track_element_add_children_props (GESTrackElement * self,
switch (gst_iterator_next (it, &item)) {
case GST_ITERATOR_OK:
{
gchar **categories;
guint i;
GstElement *child = g_value_get_object (&item);
factory = gst_element_get_factory (child);
klass = gst_element_factory_get_metadata (factory,
GST_ELEMENT_METADATA_KLASS);
if (strv_find_str (blacklist, GST_OBJECT_NAME (factory))) {
GST_DEBUG_OBJECT (self, "%s blacklisted", GST_OBJECT_NAME (factory));
continue;
}
GST_DEBUG ("Looking at element '%s' of klass '%s'",
GST_ELEMENT_NAME (child), klass);
categories = g_strsplit (klass, "/", 0);
for (i = 0; categories[i]; i++) {
if ((!wanted_categories ||
strv_find_str (wanted_categories, categories[i]))) {
guint i, nb_specs;
class = G_OBJECT_GET_CLASS (child);
parray = g_object_class_list_properties (class, &nb_specs);
for (i = 0; i < nb_specs; i++) {
if ((parray[i]->flags & G_PARAM_WRITABLE) &&
(!whitelist || strv_find_str (whitelist, parray[i]->name))) {
ges_timeline_element_add_child_property (GES_TIMELINE_ELEMENT
(self), parray[i], G_OBJECT (child));
}
}
g_free (parray);
GST_DEBUG
("%d configurable properties of '%s' added to property hashtable",
nb_specs, GST_ELEMENT_NAME (child));
break;
}
}
g_strfreev (categories);
ges_track_element_add_child_props (self, child, wanted_categories,
blacklist, whitelist);
g_value_reset (&item);
break;
}