[FFmpeg-user] Which file formats can hold image subtitles (dvdsub) without other streams

bbb ffmpeg-user at bugblatterbeast.de
Mon Dec 4 14:29:04 EET 2023


I need a file format for a temporary file to store image subtitles 
(dvdsub) in. So far I've been using .mpg which generally works, but 
seems to be unable to keep the metadata. When I try to use mkv it 
insists on having a video stream (... figures). Is there a file format 
in which I can temporarily store subtitles alone and keep their metadata?


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