21 #ifndef ENGINECALLBACKS_H 22 #define ENGINECALLBACKS_H 35 void destroy_notify(gpointer data);
38 bus_message_received(GstBus* bus, GstMessage* msg, gpointer data);
42 bus_state_changed(GstBus* bus, GstMessage* msg, gpointer data);
45 level_handler(GstBus* bus, GstMessage* message, gpointer data);
48 spectrum_handler(GstBus* bus, GstMessage* message, gpointer data);
52 #endif // ENGINECALLBACKS_H Definition: AbstractEngine.h:33