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ges-track-transition.c: create gst-controller for transition

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Brandon Lewis 2010-05-25 16:42:47 +02:00 committed by Edward Hervey
parent 6728e4dd8d
commit 5afc67f3e5
1 changed files with 14 additions and 2 deletions
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16
ges/ges-track-transition.c
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@ -80,6 +80,8 @@ link_element_to_mixer (GstElement * element, GstElement * mixer)
static gboolean
ges_track_transition_create_gnl_object (GESTrackObject * object)
{
GESTrackTransition *self = GES_TRACK_TRANSITION (object);
object->gnlobject = gst_element_factory_make ("gnloperation",
"transition-operation");
g_object_set (object->gnlobject, "priority", 0, NULL);
@ -113,8 +115,18 @@ ges_track_transition_create_gnl_object (GESTrackObject * object)
gst_bin_add (GST_BIN (object->gnlobject), topbin);
//g_object_set(a_pad, "alpha", 0.5, NULL);
g_object_set (b_pad, "alpha", 0.5, NULL);
/* set up interpolation */
GstController *controller;
controller = gst_object_control_properties (G_OBJECT (b_pad), "alpha",
NULL);
GstControlSource *control_source;
control_source =
GST_CONTROL_SOURCE (gst_interpolation_control_source_new ());
gst_controller_set_control_source (controller, "alpha", control_source);
self->controller = controller;
self->control_source = control_source;
return TRUE;
}