i have found a solution..
in put all files in 1 folder of dm extensions.
then put that folder in internal storage > gallery > (any folder) or any seprate folder.
after that , 1 min wait and then go into gallery and open lock files in option, u will b surprised...
u will find here a now folder including images and videos
cheeers ...
i found that solution..
plz share.
sory for bad english.