WD My Book Live DLNA server and Samsung Smart TV + subs

There has been multiple post in the past regarding this.

Take a look at this one and make sure to pay attention to the replies done by WDTony:

http://community.wd.com/t5/My-Book-Live-Duo/Subtitles-not-loaded-on-Samsung-Smart-TV-UE40D6000/m-p/413478/highlight/true#M1103