static GstStateChangeReturn
nle_object_change_state (GstElement * element, GstStateChange transition)
{
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
{
GstObject *parent = gst_object_get_parent (GST_OBJECT (element));
/* Going to READY and if we are not in a composition, we need to make
* sure that the object positioning state is properly commited */
if (parent) {
gchar *name = gst_element_get_name (GST_ELEMENT (parent));
if (g_strcmp0 (name, "current-bin")
&& !NLE_OBJECT_IS_COMPOSITION (NLE_OBJECT (element))) {
GST_INFO ("Adding nleobject to something that is not a composition,"
" commiting ourself");
nle_object_commit (NLE_OBJECT (element), FALSE);
}
g_free (name);
gst_object_unref (parent);
}
}
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
if (nle_object_prepare (NLE_OBJECT (element)) == GST_STATE_CHANGE_FAILURE) {
ret = GST_STATE_CHANGE_FAILURE;
goto beach;
}
break;
default:
break;
}
GST_DEBUG_OBJECT (element, "Calling parent change_state");
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
GST_DEBUG_OBJECT (element, "Return from parent change_state was %d", ret);
if (ret == GST_STATE_CHANGE_FAILURE)
goto beach;
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
/* cleanup nleobject */
if (nle_object_cleanup (NLE_OBJECT (element)) == GST_STATE_CHANGE_FAILURE)
ret = GST_STATE_CHANGE_FAILURE;
break;
default:
break;
}
beach:
return ret;
}
static void
nle_operation_dispose (GObject * object)
{
NleOperation *oper = (NleOperation *) object;
GST_DEBUG_OBJECT (object, "Disposing of source pad");
nle_object_ghost_pad_set_target (NLE_OBJECT (object),
NLE_OBJECT (object)->srcpad, NULL);
GST_DEBUG_OBJECT (object, "Disposing of sink pad(s)");
while (oper->sinks) {
GstPad *ghost = (GstPad *) oper->sinks->data;
remove_sink_pad (oper, ghost);
}
GST_DEBUG_OBJECT (object, "Done, calling parent class ::dispose()");
G_OBJECT_CLASS (parent_class)->dispose (object);
}
void
commit_and_wait (GstElement * comp, gboolean * ret)
{
gulong handler_id =
g_signal_connect (comp, "commited", (GCallback) commited_cb, NULL);
g_mutex_lock (&lock);
*ret = nle_object_commit (NLE_OBJECT (comp), TRUE);
g_cond_wait (&cond, &lock);
g_mutex_unlock (&lock);
g_signal_handler_disconnect (comp, handler_id);
}
static GstElement *
new_nle_src (const gchar * name, guint64 start, gint64 duration, gint priority)
{
GstElement *nlesource = NULL;
nlesource = gst_element_factory_make_or_warn ("nlesource", name);
fail_if (nlesource == NULL);
g_object_set (G_OBJECT (nlesource),
"start", start,
"duration", duration, "inpoint", start, "priority", priority, NULL);
nle_object_commit (NLE_OBJECT (nlesource), FALSE);
return nlesource;
}
static gboolean
nle_operation_send_event (GstElement * element, GstEvent * event)
{
gboolean res = TRUE;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
nle_object_seek_all_children (NLE_OBJECT (element), event);
break;
default:
res = GST_ELEMENT_CLASS (parent_class)->send_event (element, event);
break;
}
return res;
}
