Christian PillsburyandClaude Opus 4.8
b32783fbd7
The model timeline (an averageDuration×sequence estimate) could drift from the SourceBuffer's native-PTS timeline across reloads. At ENDLIST the drifted model placed the final segments behind the playhead, so the loader skipped them and end-of-stream's isLastSegmentAppended never satisfied — playback stalled in `waiting`, duration stuck at Infinity, `ended` never fired. Pin the model to ground truth: once a segment is buffered, re-origin the track onto where it actually landed (anchorTrackToBufferedSegment), correlated via bufferedAnchorFor over the buffer actor's DOM-free snapshot. Pin once per track (the offset is constant under no-discontinuity); the parser's now-PDT-exact carry-forward maintains it. The sequence estimate stays the pre-buffer bootstrap. anchorLiveTracks stays DOM-free — the engine injects the resolver from the buffer actors; no timestampOffset (preserves A/V sync). The same pin serves non-zero-PTS VOD. Smoke-tested on a live Mux LL-HLS stream: durationchange → finite duration → plays out → `ended`, no stall. 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.