track-element: Add method to remove control binding

API:
  ges_track_element_remove_control_binding
This commit is contained in:
Thibault Saunier 2015-06-16 15:02:18 +02:00
parent 7f4f1b0a07
commit 6a0ac89009
4 changed files with 66 additions and 2 deletions

View file

@ -152,6 +152,7 @@ ges_track_element_edit
ges_track_element_set_control_source ges_track_element_set_control_source
ges_track_element_get_control_binding ges_track_element_get_control_binding
ges_track_element_get_all_control_bindings ges_track_element_get_all_control_bindings
ges_track_element_remove_control_binding
<SUBSECTION Standard> <SUBSECTION Standard>
GESTrackElementPrivate GESTrackElementPrivate
ges_track_element_set_track ges_track_element_set_track

View file

@ -1079,7 +1079,7 @@ ges_pipeline_set_mode (GESPipeline * pipeline, GESPipelineFlags mode)
GList *tmp; GList *tmp;
g_return_val_if_fail (GES_IS_PIPELINE (pipeline), FALSE); g_return_val_if_fail (GES_IS_PIPELINE (pipeline), FALSE);
GST_ERROR_OBJECT (pipeline, "current mode : %d, mode : %d", GST_DEBUG_OBJECT (pipeline, "current mode : %d, mode : %d",
pipeline->priv->mode, mode); pipeline->priv->mode, mode);
/* fast-path, nothing to change */ /* fast-path, nothing to change */

View file

@ -86,6 +86,7 @@ static GParamSpec *properties[PROP_LAST];
enum enum
{ {
CONTROL_BINDING_ADDED, CONTROL_BINDING_ADDED,
CONTROL_BINDING_REMOVED,
LAST_SIGNAL LAST_SIGNAL
}; };
@ -261,6 +262,19 @@ ges_track_element_class_init (GESTrackElementClass * klass)
G_SIGNAL_RUN_FIRST, 0, NULL, NULL, g_cclosure_marshal_generic, G_SIGNAL_RUN_FIRST, 0, NULL, NULL, g_cclosure_marshal_generic,
G_TYPE_NONE, 1, GST_TYPE_CONTROL_BINDING); G_TYPE_NONE, 1, GST_TYPE_CONTROL_BINDING);
/**
* GESTrackElement::control-binding-added:
* @track_element: a #GESTrackElement
* @control_binding: the #GstControlBinding that has been added
*
* The control-bunding-added is emitted each time a control binding
* is added for a child property of @track_element
*/
ges_track_element_signals[CONTROL_BINDING_REMOVED] =
g_signal_new ("control-binding-reomved", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST, 0, NULL, NULL, g_cclosure_marshal_generic,
G_TYPE_NONE, 1, GST_TYPE_CONTROL_BINDING);
element_class->set_start = _set_start; element_class->set_start = _set_start;
element_class->set_duration = _set_duration; element_class->set_duration = _set_duration;
element_class->set_inpoint = _set_inpoint; element_class->set_inpoint = _set_inpoint;
@ -1404,6 +1418,52 @@ ges_track_element_edit (GESTrackElement * object,
return TRUE; return TRUE;
} }
/**
* ges_track_element_remove_control_binding:
* @object: the #GESTrackElement on which to set a control binding
* @property_name: The name of the property to control.
* @binding_type: The type of binding to create. Only "direct" is available for now.
*
* Removes a #GstControlBinding from @object.
*
* Returns: %TRUE if the binding could be removed, %FALSE if an error
* occured
*/
gboolean
ges_track_element_remove_control_binding (GESTrackElement * object,
const gchar * property_name)
{
GESTrackElementPrivate *priv;
GstControlBinding *binding;
GstObject *target;
g_return_val_if_fail (GES_IS_TRACK_ELEMENT (object), FALSE);
priv = GES_TRACK_ELEMENT (object)->priv;
binding =
(GstControlBinding *) g_hash_table_lookup (priv->bindings_hashtable,
property_name);
if (binding) {
g_object_get (binding, "object", &target, NULL);
GST_DEBUG_OBJECT (object, "Removing binding %p for property %s", binding,
property_name);
gst_object_ref (binding);
gst_object_remove_control_binding (target, binding);
g_signal_emit (object, ges_track_element_signals[CONTROL_BINDING_REMOVED],
0, binding);
gst_object_unref (target);
gst_object_unref (binding);
g_hash_table_remove (priv->bindings_hashtable, property_name);
return TRUE;
}
return FALSE;
}
/** /**
* ges_track_element_set_control_source: * ges_track_element_set_control_source:

View file

@ -209,6 +209,9 @@ ges_track_element_add_children_props (GESTrackElement *self,
const gchar **blacklist, const gchar **blacklist,
const gchar **whitelist); const gchar **whitelist);
GHashTable * GHashTable *
ges_track_element_get_all_control_bindings (GESTrackElement * trackelement); ges_track_element_get_all_control_bindings (GESTrackElement * trackelement);
gboolean
ges_track_element_remove_control_binding (GESTrackElement * object,
const gchar * property_name);
G_END_DECLS G_END_DECLS
#endif /* _GES_TRACK_ELEMENT */ #endif /* _GES_TRACK_ELEMENT */