func PipelineWatchBus(pipeline *C.GstPipeline) chan *C.GstMessage {
bus := C.gst_pipeline_get_bus(pipeline)
defer C.gst_object_unref(asGPtr(bus))
messages := make(chan *C.GstMessage)
C.add_bus_watch(bus, unsafe.Pointer(&messages))
return messages
}
// GetBus() is a wrapper around gst_pipeline_get_bus().
func (v *Pipeline) GetBus() (*Bus, error) {
c := C.gst_pipeline_get_bus(v.native())
if c == nil {
return nil, nilPtrErr
}
obj := &glib.Object{glib.ToGObject(unsafe.Pointer(c))}
b := wrapBus(obj)
//b.RefSink()
runtime.SetFinalizer(&b.Object, (*Object).Unref)
return b, nil
}