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chore(quest): retire js-publish-discontinuity, delivered by #3982 #4045

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kixelated merged 2 commits into from
Sep 24, 2026
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chore(quest): retire js-publish-discontinuity, delivered by #3982 #4045

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chore(quest): claim js-publish-discontinuity
kixelated Sep 24, 2026
8f0cbf3
chore(quest): retire js-publish-discontinuity, delivered by #3982
kixelated Sep 24, 2026
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1 change: 0 additions & 1 deletion quest/m1/README.md
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Expand Up @@ -46,7 +46,6 @@ transport, benchmark tooling); worktrees isolate commits, not semantics.
- [JavaScript FETCH](/quest/m1/js-fetch.md) - generic on-demand group serving and IETF FETCH for browser publishers
- [Archive](/quest/m1/archive/README.md) - record selected tracks to any object_store and replay them over FETCH or derived HLS, on the catalog and store the release ships
- [Wildcard](/quest/m1/wildcard/README.md) - a relay resolves subscriptions against advertised prefixes, a service claims the prefix it could serve and refuses the rest instead of enumerating broadcasts, and the browser player treats a covering claim as availability
- [js/publish discontinuity](/quest/m1/js-publish-discontinuity.md) - the JS container producer and js/publish emit the same marker group on encoder restart
- [Impaired path](/quest/m1/transport-impairment-profile.md) - the transport drills run over a seeded, impaired UDP path on any host
- [Tooling](/quest/m1/tooling/README.md) - justfiles become a one-line menu over `sh/`, one impact map scopes CI, and every workflow step runs a recipe
- [Generation](/quest/m1/hls-generation.md) - init URLs follow the rendition config and segment URLs carry an embedder-supplied generation, so caching can be re-enabled
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16 changes: 0 additions & 16 deletions quest/m1/js-publish-discontinuity.md
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11 changes: 5 additions & 6 deletions quest/m1/publisher-clock.md
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Expand Up @@ -16,19 +16,18 @@ old archive records. Preserve allowed B-frame ordering within a group.

Keep source-specific timestamp conversion at the adapter boundary. Refuse an
unmappable source explicitly. Discontinuity markers signal the existing
playhead contract; they do not replace the wall epoch. Coordinate browser
encoder restart markers with the discontinuity prerequisite.
playhead contract; they do not replace the wall epoch. In `js/publish`, the
video encoder marks a break through `Container.Legacy.Producer.cut()` whenever
its encode loop stops (demand gap or capture swap). The audio encoder writes its
Comment on lines +20 to +21

@chatgpt-codex-connector chatgpt-codex-connector Bot Sep 24, 2026

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P2 Badge Keep source-switch discontinuities in scope

When <moq-publish> switches between its normal camera, screen, or file sources, the same Video.Capture created in element.ts survives and only Capture.out.frames is replaced (video/capture.ts:45-63). producer.cut() is attached to the outer #encode cleanup (video/encoder.ts:237-244), whereas replacing out.frames only reruns the nested reader effect at lines 281-335, so this common source swap does not emit a marker. During the switch gap, the previous group can therefore remain the live edge, so deleting the dedicated quest while stating that capture swaps are covered leaves this case untracked; retain it explicitly in publisher-clock or keep the quest.

Useful? React with 👍 / 👎.

own marker on a demand gap only: an audio pipeline rebuild and the framer's
input-gap reset still write none.

Add CI fixtures for simultaneous A/V, late first frames, restart to zero,
restart after idle, system-wall adjustment, and retained archive playback.
The fixtures must exercise publisher integration rather than only the clock
helper. Update publisher and import docs; this quest adds no new clock API or
catalog representation. GStreamer's clock observation remains its own quest.

## Required

- [Publisher discontinuity](/quest/m1/js-publish-discontinuity.md) - use the settled browser restart-marker path

## Related

- [GStreamer clock](/quest/m1/3021-moq-gst-anchor-generated-media-timelines-to-wall-clock.md) - separate source adapter
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