If I run them trough ffmpeg a second time, it cleans it up. However, my patch produces corrupted dvdsub tracks. I poked around in ffmpeg, and found I could sort of do it with 4 lines of code. Once I knew what I was looking for I found it on a few other of DVD's: The Avengers, a few episodes of MASH, The Wolverine. I noticed it on the DVD for Monument Men. which DVD is it? is this a one-time thing you're doing, or are you gonna script it? Seems like you'd have to examine the entire track itself, somehow.Įdit: a couple of things I'm curious about. I want to only extract those entries, not the whole track. I only want those.įor instance, in a WWII movie, the English subtitle track might have all of the dialog, but the entries for translated German dialog would be marked forced. Sometimes some entries in an unforced track are forced. I know how to extract a particular track with mkvextract or ffmpeg. Writing the VobSub index file 'bullock.idx'. |+ ~/dvds/episodes/Batman: The Animated Series $ mkvextract tracks 'A Bullet for Bullock.mkv' 2:bullockĮxtracting track 2 with the CodecID 'S_VOBSUB' to the file 'bullock'. | + Track number: 3 (track ID for mkvmerge & mkvextract: 2) | + Default duration: 32.000ms (31.250 frames/fields per second for a video track) | + Track number: 2 (track ID for mkvmerge & mkvextract: 1) | + CodecPrivate, length 46 (h.264 profile: High + Default duration: 40.609ms (24.625 frames/fields per second for a video track) | + Track number: 1 (track ID for mkvmerge & mkvextract: 0) | + Writing application: mkvmerge v7.0.0 ('Where We Going') 64bit built on 18:15:55 | + Muxing application: libebml v1.3.0 + libmatroska v1.4.1 |+ Seek head (subentries will be skipped) Posted: Thu 6:55 pm Post subject: Re: Extract forced subtitles only With all the English entries marked not-forced, but the ones that are translations into English marked as forced. Some subtitles are forced on the entry-by-entry basis, not on a stream-by-stream basis.įor instance, in an English language movie with some non-English dialog, they might have one English subtitle track.

You can keep the same codec with '-c:s copy' or try to convert them.ĭvdsub are bitmap subtitles (not text ones) so you cannot convert them to text-based formats. You can easily extract just the forced sub.

I need a command line application, not a GUI. I would like to be able to extract forced (dvdsub) subtitles from a mkv file. Posted: Mon 4:00 pm Post subject: Extract forced subtitles only Gentoo Forums :: View topic - Extract forced subtitles only

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