observe_media_identify_file/2
Try to identify a file, returning a map with file properties.
Type:
Return:
map with binary keys, especially <<"mime"\>\>
, <<"width"\>\>
, <<"height"\>\>
, <<"orientation"\>\>
#media_identify_file{}
properties:
filename:
file:filename_all()
original_filename:
binary
extension:
binary