Pushes other iterator onto it. All calls performed on it are
forwarded tot other. If other returns GST_ITERATOR_DONE, it is
popped again and calls are handled by it again.
This function is mainly used by objects implementing the iterator
next function to recurse into substructures.
MT safe.
Pushes other iterator onto it. All calls performed on it are forwarded tot other. If other returns GST_ITERATOR_DONE, it is popped again and calls are handled by it again. This function is mainly used by objects implementing the iterator next function to recurse into substructures. MT safe.