Samsung tv can't see all files on wd my cloud

My Cloud OS 3 Personal & Network Attached Storage My Cloud
3

Yes, either file types that the Samsung TV can’t handle, or that Twonky doesn’t recognise as video formats.

For instance:

http://community.wd.com/t5/WD-My-Cloud/Twonky-media-server-does-not-recognize-all-video-files-mp4/td-p/813953

http://support.upc.ie/app/answers/detail/a_id/652/~/dlna-supported-file-formats