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ffmpeg help (lemmy.dbzer0.com)

submitted 1 year ago by [email protected] to c/[email protected]

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I have some files that have multiple audio tracks and several subtitle tracks, all of which are marked default. I'd like to remove the default from all the subtitle tracks and all-but-one of the audio tracks (and possibly move the audio track to be the first track). How would I do that?

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[–] [email protected] 14 points 1 year ago (1 children)

mkvtoolnix is the best tool for this stuff. iirc ffmpeg has some limitations in this area

[–] [email protected] 4 points 11 months ago

Okay, looks like you can do it in ffmpeg, but you have to map every audio stream individually in the command to rearrange them.

[–] [email protected] 4 points 11 months ago* (last edited 11 months ago)

I believe you can remove (default) with -disposition:stream 0 so, if you have three subtitle tracks, all marked as default, and you want only second with that mark, you'd do something like this:

ffmpeg -i input.mkv -c copy -disposition:s:0 0 -disposition:s:2 0 output.mkv

And if you want to mark a stream as default, you do -disposition:stream default.