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Add script to shift subtitles forward or backward #539
Description
The repository currently lacks a script to shift subtitle timings forward or backward, which is needed when subtitles are out of sync with the video.
A simple Python script or function could be added to shift subtitle timestamps by a specified offset (positive or negative), preferably supporting .srt files via command-line arguments.
At the moment, this can be done using external tools like Subtitle Edit or ffmpeg, but having this functionality in the repo would keep workflows consistent and easier to automate.
This would be especially useful for handling audio/video delays or re-encoded media files.
Activity
github-actions commentedon Jan 14, 2026
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Kulkarnivaishnavi473 commentedon Feb 10, 2026
Hi, I’d like to work on this issue. Could you assign it to me?
anosvoldi883 commentedon Feb 10, 2026
Hi 👋
This looks like a useful addition to the repo.
I’ve worked with SRT files before and understand the timestamp
format and edge cases (negative offsets, zero clamping, etc.).
I’m planning to:
Before starting, I wanted to confirm:
If this approach works, I’d be happy to take this up.
Thanks!