printf format type used to debug GStreamer types.
You can use this in combination with GStreamer's debug logging system as well as the functions
gst_info_strdup_printf to pretty-print the following types:
, DateTime, Buffer,
Object. All Object
types will be printed as typename plus pointer, and everything else will simply be printed as pointer address.
This can only be used on types whose size is >= sizeof(gpointer).