Sun Sep 05, 2021 2:41 am by atc98092
Are the subtitles within the MKV container, or are they in an external file, such as an SRT file? If I had to guess, it's likely a TV issue, not Serviio. I base that on my experience with DLNA playback with numerous Samsung TVs. They simply don't put much effort in DLNA playback.
I gave up using the Samsung TV interface a long time ago, instead preferring to use external players. I've used Sony media players and Blu Ray players, many models of Roku players and TVs, and the Nvidia Shield. Even with my latest, LG Nano 85 TV, I much prefer using an external player. My favorite is the Shield, as it plays everything without transcoding, and also plays all captions. Roku players work well, unless you're trying to play ripped UHD movies, in which case they can't keep up with the video bitrate. Roku devices also only have a limited number of supported containers and codecs, so transcoding is often required, although sometimes it's only a remux and doesn't take much computer power.
Dan
LG NANO85 4K TV, Samsung JU7100 4K TV, Sony BDP-S3500, Sharp 4K Roku TV, Insignia Roku TV, Roku Ultra, Premiere and Stick, Nvidia Shield, Yamaha RX-V583 AVR.
Primary server: Intel i5-6400, 16 gig ram, Windows 10 Pro, 22 TB hard drive space | Test server Windows 10 Pro, AMD Phenom II X4 965, 8 gig ram
HOWTO: Enable debug logging HOWTO: Identify media file contents