Render subtitle one time for 3D movies
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meta:feature-request
- Dominant language
- C
- Stars
- 37k
- Forks
- 3.5k
- Avg merge
- 1d 10h
- Merged PRs (30d)
- 22
Description
Expected behavior of the wanted feature
Draw a single subtitle for 3D modes.
Subtitles on 3D movies, whether .ass or .srt, are drawn two times.
vf=lavfi=[stereo3d=in=sbs2l:out=arch]
video-aspect-override=16:9
sub-ass-override="force"
Somehow it works well with above-below 3D movies:
vf=lavfi=[stereo3d=in=abl:out=arch]
video-aspect-override=5:5.65
sub-ass-override="force"
Reference
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
No source file or test is identified in the issue. Start by reproducing the subtitle behavior in mpv with the supplied side-by-side and above-below stereo3d configurations, then trace the subtitle rendering path and compare both modes. Done means a 3D movie shows one subtitle while the existing above-below behavior remains correct.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- c
- Domain
- audio-video-rtc
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100