If there is a problem (periodic loading) using profile "Movies-TsMuxer", may be help these settings
Settings - Files types - m2ts - Edit or
Settings - Server - select a device - Settings - File Types - m2ts - Edit:
Mime-type: video/vnd.dlna.mpeg-tts
DLNA: MPEG_TS_HD_NA_T
P.S. Advice only to owners of Samsung devices