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gst/gstbin.c: Implement _query on a bin, similar to _send_event.

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Original commit message from CVS:
* gst/gstbin.c: (gst_bin_class_init), (gst_bin_query):
Implement _query on a bin, similar to _send_event.
This commit is contained in:
Ronald S. Bultje 2005-05-12 15:09:17 +00:00
parent 7eb36ed16f
commit e4c1ba46c8
2 changed files with 44 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2005-05-12 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* gst/gstbin.c: (gst_bin_class_init), (gst_bin_query):
Implement _query on a bin, similar to _send_event.
2005-05-12 Tim-Philipp Müller <tim at centricular dot net>
* gst/base/gstbasesrc.c: (gst_basesrc_do_seek):

39
gst/gstbin.c
View file

@ -72,6 +72,7 @@ static void gst_bin_set_bus (GstElement * element, GstBus * bus);
static void gst_bin_set_scheduler (GstElement * element, GstScheduler * sched);
static gboolean gst_bin_send_event (GstElement * element, GstEvent * event);
static gboolean gst_bin_query (GstElement * element, GstQuery * query);
#ifndef GST_DISABLE_LOADSAVE
static xmlNodePtr gst_bin_save_thyself (GstObject * object, xmlNodePtr parent);
@ -180,6 +181,7 @@ gst_bin_class_init (GstBinClass * klass)
gstelement_class->set_scheduler = GST_DEBUG_FUNCPTR (gst_bin_set_scheduler);
gstelement_class->send_event = GST_DEBUG_FUNCPTR (gst_bin_send_event);
gstelement_class->query = GST_DEBUG_FUNCPTR (gst_bin_query);
klass->add_element = GST_DEBUG_FUNCPTR (gst_bin_add_func);
klass->remove_element = GST_DEBUG_FUNCPTR (gst_bin_remove_func);
@ -1106,6 +1108,43 @@ gst_bin_send_event (GstElement * element, GstEvent * event)
return res;
}
static gboolean
gst_bin_query (GstElement * element, GstQuery * query)
{
GstBin *bin = GST_BIN (element);
GstIterator *iter;
gboolean res = FALSE, done = FALSE;
iter = gst_bin_iterate_sinks (bin);
GST_DEBUG_OBJECT (bin, "Sending event to sink children");
while (!(res || done)) {
gpointer data;
switch (gst_iterator_next (iter, &data)) {
case GST_ITERATOR_OK:
{
GstElement *sink;
sink = GST_ELEMENT_CAST (data);
res = gst_element_query (sink, query);
gst_object_unref (GST_OBJECT (sink));
break;
}
case GST_ITERATOR_RESYNC:
gst_iterator_resync (iter);
break;
default:
case GST_ITERATOR_DONE:
done = TRUE;
break;
}
}
gst_iterator_free (iter);
return res;
}
static gint
compare_name (GstElement * element, const gchar * name)
{