Christian PillsburyandClaude Opus 4.8
2733cba052
Assets whose A/V encode starts at a non-zero native PTS (Mux instant clips, Apple bipbop @10s) are relocated onto a 0-based presentation timeline via `SourceBuffer.timestampOffset`, so buffer / model / `currentTime` / `seekable` stay 0-based and the adapter is untouched. - `establishStartMediaTime` reactor establishes each track's media-timeline origin once per source (the DOM-free half), running an injected `deriveStartMediaTime` seam over discovered container data. - Default `deriveSharedMinStartMediaTime`: relocate every track by the `min` across selected A/V origins — preserves real A/V skew and keeps every DTS >= 0. Origins below NEAR_ZERO_ORIGIN_THRESHOLD (1s) are left native (ordinary ~0-PTS VOD isn't perturbed). - `relocation-steps` message pipelines discover the origin (mdhd/tfdt head-peek) and stamp `timestampOffset`; text cues rebase by X-TIMESTAMP-MAP − origin. - Wired into both the default and audio-only HLS engines. See internal/design/spf/presentation-timeline-model.md. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Video.js v10
Modern, modular, and composable media player framework for Web and React.
🚧 Beta - close to stable. Experimental adoption in real projects. 🚧
Video.js v10 is close to stable. Try it out in real projects and share your feedback 🙏.
- Read our design documents.
- Read the v10 discussion topic.
- Watch Heff's recent presentation.
Timeline
- Technical Preview (Complete): Initial showcase for Demuxed.
- Alpha (Complete): See milestone
- Beta (Complete): See milestone
- GA (Mid 2026): See milestone ← WIP
- Video.js (End of 2026): Video.js core/contrib parity and supported plugins migrated.
Documentation
If you'd like to get started and learn more, you can find our documentation on our website:
Community
If you need help with anything related to Video.js 10, or if you'd like to casually chat with other members:
Contributing
We'd love for you to join our community channels above and give us feedback! Feedback on any of the following would help us:
- Player skin designs
- Component structures and APIs
- Package structure and exports
- Repo, workspace, contributor guides
Please see our contributing guide for getting set up locally and making code or docs changes.
Code of Conduct
Please note that this project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms.