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fix(player): restore premiere seeking across playback engines - #1740
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Use the Android DASH manifest when the built-in WEB response only provides a short HLS window. Retry limited authenticated yt-dlp live streams anonymously while retaining the first playable stream if retries fail.
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- [FIX] Premiere seeking: Built-in playback now uses Android DASH when WEB DASH is unavailable, and yt-dlp retries limited live streams without cookies while retaining the first playable stream if retries fail.
- [API] Android live manifests: Extracts and deciphers Android DASH alongside HLS for playback selection.
- [TEST] Premiere playback coverage: Adds checks for manifest selection and yt-dlp retries with preferred/default clients and failed anonymous extraction.
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📝 WalkthroughWalkthroughThe change adds Android DASH manifest retrieval, adjusts live manifest selection for limited DVR windows, and updates yt-dlp retries to retain limited-DVR sources. Unit and end-to-end tests cover selection and retry behavior. ChangesLive manifest playback
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Bug fix Merge Risk: 🔵 Low · up to Playback remains available, but a narrow retry sequence can lose available formats by retaining an incomplete extraction. Prefer the later complete source; otherwise the change is mergeable with this bounded limitation acknowledged. Security Architecture ReviewSecurity architecture risk: 🔵 Low · up to Playback gains another manifest source and may retry without saved authentication. Existing URL checks and stale-playback guards remain in place. No security regression was established in the reviewed flow, but external credential handling and access decisions remain incompletely verified. Retained concerns Security review detailsSecurity Blast Radius
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Actionable comments posted: 1
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Inline comments:
Review comments at @src/renderer/helpers/player/ytDlpPlayback.js:
- Line 1030: Update the limited-source selection in the yt-dlp playback flow to
retain the first source unless a later source upgrades it from incomplete to
complete. Ensure `limitedLiveSource` prefers a complete source over an earlier
incomplete one, including when anonymous extraction fails.
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📒 Files selected for processing (7)
e2e/tests/offline/watch-page.spec.mjssrc/renderer/helpers/api/local.jssrc/renderer/helpers/player/liveManifest.jssrc/renderer/helpers/player/ytDlpPlayback.jssrc/renderer/views/Watch/Watch.jstests/unit/live-manifest-selection.test.mjstests/unit/live-manifest.test.mjs
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Pull Request Type
Related issue
User-reported bug reproduced with https://youtu.be/Su1YPINOi0M; no existing issue.
Description
Running premieres could hide the seek bar because both built-in extraction and authenticated yt-dlp selected a stream containing only the last 30 seconds.
Use the Android DASH manifest when built-in HLS has no seekable duration marker or its rewind window is limited to 30 seconds, preserving longer HLS windows. For limited yt-dlp live streams, try authenticated default clients before a final retry without cookies, and retain the first playable stream if those retries fail.
Release note category
Release note
Restore seeking during running premieres with built-in extraction and yt-dlp when Always use cookies is enabled.
Release note images
Testing
Additional context
Reproduced and verified on Nico’s laptop with both engines. Added regression coverage for manifest selection, default-client fallback, and preserving authenticated playback when anonymous extraction fails.
Documentation correction: OpenTubeX/opentubex.github.io#102.
Changes made with GPT-6.1-Sol through the Codex harness in T3 Code.