Does Media Library only work for network shares and not on media servers?

[Ichigo]

Hello, see if the following links help. 

http://community.wd.com/t5/WD-TV-Live-Hub-Discussions/1080p-mkv-file-stutter/m-p/480984/highlight/true#M20988

http://community.wd.com/t5/WD-TV-Live-Streaming-Firmware/1-06-04-1080p-720p-mkv-stutters/m-p/336063/highlight/true#M549