Christian PillsburyandClaude Opus 4.8
05a0a6452d
Rebuild relocation from the config-bundle (createRelocation + self-discriminating
origin-discoverer) into a DOM-free per-source reactor plus DOM config-pipeline
steps, per the presentation-timeline design + review.
- behaviors/establish-start-media-time.ts (new, DOM-free): the reactor — 3 states
(inactive clears the transient slot per source / monitoring runs the injected
deriveStartMediaTime seam -> writes Track.startMediaTime / established disables it).
Owns mediaContainerData on state; selection optional/defensive; never touches pipelines.
- behaviors/dom/relocation-steps.ts (new): relocationMessagePipelines — a plain
config step array. discover writes state.mediaContainerData; stamp reads the
track's own discovered origin (Tier 1) -> timestampOffset. Steps read composition
state from call-time deps; coordinate with the reactor only through the slot.
- segment-loader: StepDeps widened with the composition {state,context,config}
(opaque conduit; the loader never reads them).
- primitives/head-peek.ts (new): generic eager head-peek (replaces origin-discoverer).
- media/types: Track.startMediaTime + MediaContainerData.
- setup-buffer-actors: relocation pipelines from config; threads composition deps.
- engine: composes the reactor + bakes relocationMessagePipelines + mediaContainerData
+ deriveStartMediaTime config, comment-marked for easy removal.
- Deleted relocation.ts, origin-discoverer.ts. Doc + backlog updated.
Deferred (backlog): per-type keying; non-0th-segment origin (#4 — non-zero starts
currently mis-relocate); tier-agnostic apply; text-cue relocation; Tier 2 min;
audio-only wiring.
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.