Andreas Rheinhardt (12021-08-31): > Our VobSub demuxer does not set the duration (it is encoded as part of > the payload). So our muxer uses SimpleBlocks (because duration == 0 > actually says "play this until the next packet arrives", which coincides > with the semantics for SimpleBlocks). > mkvmerge reads the duration from the payload. > Is there a proper spec for the VobSub format somewhere?
As far as I know, the best there is would be: https://www.matroska.org/technical/subtitles.html https://www.matroska.org/technical/codec_specs.html I vaguely remember that muxing Matroska from VobSub in FFmpeg failed because it did not set durations on the subtitles packets, but I do not remember what tool exactly refused to use the result. Now, it seems to work, which is the most we can ask for with a fringe format like that. Regards, -- Nicolas George
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