void gstBusCall(GstBus *bus, GstMessage *msg);
static GstBusSyncReply gstBusSyncHandler(GstBus *bus, GstMessage *message, gpointer user_data);
static void gstCBsubtitleAvail(GstElement *element, gpointer user_data);
+ static GstCaps* gstGhostpadGetCAPS (GstPad * pad);
static void gstCBsubtitleCAPS(GObject *obj, GParamSpec *pspec, gpointer user_data);
static void gstCBsubtitleLink(subtype_t type, gpointer user_data);
static gboolean gstCBsubtitleDrop(GstPad *pad, GstBuffer *buffer, gpointer user_data);