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[4/7] Honour clip speed in exported frames and audio - #227

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derk/export-4-speed
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[4/7] Honour clip speed in exported frames and audio#227
dazzatronus merged 1 commit into
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derk/export-4-speed

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@dazzatronus dazzatronus commented Oct 19, 2026 •
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Preview plays clips at their speed, including speed curves; the export ignored it, so sped-up clips came out at normal speed. Video frames use the player's own getSourceTime(), and the audio mix plays each source at the clip's rate, so pitch shifts with speed as it does in preview.

Squash with the subject [4/7] Honour clip speed in exported frames and audio. This PR has one commit, so GitHub defaults to its fix(export): subject, which would publish a release partway through the stack.

# PR Adds Why separate
1 #224 exportBlob as the export engine (merged, 2.26.0) The new API
2 #225 Pre-flight issues; fail on placeholders Routing depends on it
3 #226 Off-screen frames Stops the page jumping
4 (this PR) #227 Clip speed in frames and audio Its own fix
5 #228 Size and bitrate from the edit Its own fix
6 #229 Refuse or correct the remaining wrong exports Found in the whole-stack review
7 #230 Release 2.27.0 Mechanical

Verify: npm run verify:ci; in a browser, exported speed.json frames match the source video at speed × (trim + t) and the audio stays in step.

This was referenced Oct 19, 2026
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dazzatronus added this pull request to stack #231 October 19, 2026 11:52
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dazzatronus force-pushed the derk/export-4-speed branch 2 times, most recently from 8d98005 to 7370e49 Compare October 21, 2026 07:41
@dazzatronus
dazzatronus force-pushed the derk/export-4-speed branch 2 times, most recently from 074a6e2 to 22eb1be Compare October 21, 2026 22:17
Base automatically changed from derk/export-3-offscreen to main October 21, 2026 22:20
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dazzatronus merged commit ab58e4f into main Oct 21, 2026
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dazzatronus deleted the derk/export-4-speed branch October 21, 2026 22:24
github-actions Bot pushed a commit that referenced this pull request Oct 21, 2026
@semantic-release-bot
chore(release): 2.26.1 [skip ci]
39879d9 
## [2.26.1](v2.26.0...v2.26.1) (2026-10-21)

### Bug Fixes

* **export:** honour clip speed in video frames and the audio mix ([#227](#227)) ([ab58e4f](ab58e4f))
* **export:** size the output from the edit and scale bitrate with it ([#228](#228)) ([87f7f7b](87f7f7b))
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github-actions Bot commented Oct 21, 2026

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🎉 This PR is included in version 2.26.1 🎉

The release is available on:

Your semantic-release bot 📦🚀

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