It just inherits from MTVIE. Some videos also come from vevo.com
Set it to an empty dictionary because it’s directly accessed when setting some properties
[smotri] Fix typo
This is now handled by the generic IE
It returns now a single info_dict
_fd_progress_hooks
_progress_hooks
In the future it may report more things.
It caused a circular reference error, when trying to dump it to json (for example with the test video for myvideo.de or any other video without formats)