static GstStateChangeReturn
gst_compare_change_state (GstElement * element, GstStateChange transition)
{
GstCompare *comp = GST_COMPARE (element);
GstStateChangeReturn ret;
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_collect_pads_start (comp->cpads);
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_collect_pads_stop (comp->cpads);
break;
default:
break;
}
ret = GST_CALL_PARENT_WITH_DEFAULT (GST_ELEMENT_CLASS, change_state,
(element, transition), GST_STATE_CHANGE_SUCCESS);
if (ret != GST_STATE_CHANGE_SUCCESS)
return ret;
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_compare_reset (comp);
break;
default:
break;
}
return GST_STATE_CHANGE_SUCCESS;
}
static void
gst_compare_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstCompare *comp = GST_COMPARE (object);
switch (prop_id) {
case PROP_META:
g_value_set_flags (value, comp->meta);
break;
case PROP_OFFSET_TS:
g_value_set_boolean (value, comp->offset_ts);
break;
case PROP_METHOD:
g_value_set_enum (value, comp->method);
break;
case PROP_THRESHOLD:
g_value_set_double (value, comp->threshold);
break;
case PROP_UPPER:
g_value_set_boolean (value, comp->upper);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_compare_finalize (GObject * object)
{
GstCompare *comp = GST_COMPARE (object);
gst_object_unref (comp->cpads);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
gst_compare_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
GstCompare *comp;
GstPad *otherpad;
comp = GST_COMPARE (parent);
otherpad = (pad == comp->srcpad ? comp->sinkpad : comp->srcpad);
return gst_pad_peer_query (otherpad, query);
}
static GstCaps *
gst_compare_getcaps (GstPad * pad)
{
GstCompare *comp;
GstPad *otherpad;
GstCaps *result;
comp = GST_COMPARE (gst_pad_get_parent (pad));
if (G_UNLIKELY (comp == NULL))
return gst_caps_new_any ();
otherpad = (pad == comp->srcpad ? comp->sinkpad : comp->srcpad);
result = gst_pad_peer_get_caps (otherpad);
if (result == NULL)
result = gst_caps_new_any ();
gst_object_unref (comp);
return result;
}
