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trackelement: asynchronously add bindings if the track-element is not in a track yet.

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Also fix annotations.
This commit is contained in:
Mathieu Duponchelle 2013-04-23 22:38:23 +02:00 committed by Thibault Saunier
parent f3372dfb0f
commit 5ef1a8afa9
1 changed files with 48 additions and 1 deletions
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49
ges/ges-track-element.c
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@ -68,8 +68,18 @@ struct _GESTrackElementPrivate
GHashTable *bindings_hashtable; /* We need this if we want to be able to serialize
and deserialize keyframes */
GList *pending_bindings;
};
typedef struct
{
GESTrackElement *element;
GstControlSource *source;
gchar *propname;
gchar *binding_type;
} PendingBinding;
enum
{
PROP_0,
@ -709,6 +719,12 @@ done:
}
/* INTERNAL USAGE */
static void
_free_pending_binding (PendingBinding * pend)
{
g_slice_free (PendingBinding, pend);
}
gboolean
ges_track_element_set_track (GESTrackElement * object, GESTrack * track)
{
@ -724,6 +740,24 @@ ges_track_element_set_track (GESTrackElement * object, GESTrack * track)
"caps", ges_track_get_caps (object->priv->track), NULL);
} else {
ret = ensure_gnl_object (object);
/* if we had pending control bindings, add them and free them */
if (ret && object->priv->pending_bindings) {
GList *tmp;
PendingBinding *pbinding;
GST_INFO_OBJECT (object, "Asynchronously adding bindings");
for (tmp = object->priv->pending_bindings; tmp; tmp = tmp->next) {
pbinding = tmp->data;
ges_track_element_set_control_source (pbinding->element,
pbinding->source, pbinding->propname, pbinding->binding_type);
g_free (pbinding->propname);
g_free (pbinding->binding_type);
}
g_list_free_full (object->priv->pending_bindings,
(GDestroyNotify) _free_pending_binding);
object->priv->pending_bindings = NULL;
}
}
}
@ -1431,6 +1465,19 @@ ges_track_element_set_control_source (GESTrackElement * object,
return FALSE;
}
if (!priv->track) {
PendingBinding *pbinding;
GST_INFO ("Adding this source to the future bindings");
pbinding = g_slice_new0 (PendingBinding);
pbinding->element = object;
pbinding->source = source;
pbinding->propname = g_strdup (property_name);
pbinding->binding_type = g_strdup (binding_type);
priv->pending_bindings = g_list_append (priv->pending_bindings, pbinding);
return TRUE;
}
if (!ges_track_element_lookup_child (object, property_name, &element, &pspec)) {
GST_WARNING ("You need to provide a valid and controllable property name");
return FALSE;
@ -1469,7 +1516,7 @@ ges_track_element_set_control_source (GESTrackElement * object,
* Looks up the various controlled properties for that #GESTrackElement,
* and returns the #GstControlBinding which controls @property_name.
*
* Returns: the #GstControlBinding associated with @property_name, or %NULL
* Returns: (transfer none): the #GstControlBinding associated with @property_name, or %NULL
* if that property is not controlled.
*
* Since: 1.0.XX