Calls the provided function once for each field in the Structure.
Use gst_structure_foreach_id_str.
The function must not modify the fields. Also see map_in_place and filter_and_map_in_place.
| this | |
| func |
a function to call for each field |
| user_data |
private data |
|
true if the supplied function returns true For each of the fields, false otherwise. |