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Should I be concerned before I share a video I downloaded from a site I needed to log in to with a username and password? Does the file I have include data that references my account? If so is there away to remove it before I share it?

Signed I am tired of feeling like I don't contribute to the community.

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[-] LuycYQ2uUiTjR3yLri@sh.itjust.works 19 points 1 year ago* (last edited 1 year ago)

It's unlikely that there's some identifying information, but you can use ffmpeg (using the "copy" codec to avoid a re-encode) to strip metadata. It's also theoretically possible for the video to have used some stenography techniques, but that would be much harder and expensive for the video creator/publisher so I doubt that happened.

It's not unlikely. Watermarking is real. And they don't make it easy to strip off.

[-] TimewornTraveler@lemm.ee 2 points 1 year ago

why is your username a password

[-] 7Sea_Sailor@lemmy.dbzer0.com 1 points 1 year ago

Would this require specific stripping flags or is a simple

ffmpeg -i video.mkv -c:v copy -c:a copy out.mkv

enough?

[-] doyadig@lemmy.world 3 points 1 year ago

The :v and :a is not needed.

ffmpeg -i video.mkv -c copy output.mkv

This will automatically copy the audio and the video without a reencode.

Use -map_metadata -1 to strip all metadata.

this post was submitted on 25 Oct 2023
63 points (98.5% liked)

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