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DVB subtitles

Posted:
Sat Feb 05, 2022 5:20 pm
by krasnit
More and more of my videos have DVB for subtitles. The only way I can see them now using Serviio is to burn the DVB layer onto the video itself such as with Handbrake. DVB is an old broadcast standard for subtitling that seems to be really growing in popularity. Will Serviio support DVB any time soon?
Re: DVB subtitles

Posted:
Sat Feb 05, 2022 7:28 pm
by atc98092
It's likely nothing to do with Serviio. Subtitles are handled by the player, and unless you're transcoding the video Serviio is sending the video as is. If the caption track is there, it's up to the player to display them properly. Many devices lack support for many types of subtitles. Roku devices won't show graphic based captions, which is what DVDs and Blu Rays use, but are fine with text based captions like what are used in North America. Most TVs are in the same boat.
Re: DVB subtitles

Posted:
Sat Feb 05, 2022 9:55 pm
by krasnit
Thanks Dan. It turns out that perhaps both VLC and the WD TV Live DLNA devices I have been using have the issue you mention, since I was uable to get the DVB subtitles on both. Because of these issues with the players, I decided to go the long route: extract the DVB stream using MKVToolNix, convert to srt using using SubTitle edit (using its built in OCR), and then multiplex the SRT with the mkv video using Handbrake. Messy and tedious, but it works and is mostly automated in these softrwares, and probably will work with most video players and TVs that connect to DLNA servers like Serviio. The nice thing about this is that one can choose whether one wants to view the subtitles or not as opposed to hard burning them in as I have been doing, and, of course, the subs can be translated to other languages.