Files
hyperframes/packages
Miguel Ángel 95e3930faf fix(core): audio clips join on time and their volume lane follows the audio (#6419)
* fix(core): audio clips join on time and their volume lane follows the audio

An incoming <audio> clip is now pre-seeked to its in-point like a video, and
a playing audio element that drifts is steered by rate instead of seeked
while it sounds. A routed clip's volume lane and fades are re-aimed at the
element's own position whenever it starts, is seeked or changes rate.

* fix(core): sounding audio is nudged at most 10%, and a larger lag seeks under a short dip

Speech audibly changes tempo past a 10% rate nudge, and a bare seek clicks.
Audio that holds a lag rate cannot close in about a second is seeked under a
15 ms dip on its routed graph; an unrouted element is seeked plainly. Video
keeps its steps.

* fix(core): a routed clip's automation has one owner, its element, looping included

A rate change re-aimed a routed clip's lane on the context clock and again
when the element took the new rate. Only the element re-aims it now. A
looping element's wrapped position is placed on the pass the transport is in,
so a looping bed's lane follows it too.

* style(core): wrap a steering comment to the line limit

* refactor(core): one drift policy for playing media, exported for the parent proxy

The steering steps, the audio cap and limit, and the steering state move to
runtime/mediaSteer.ts as steerMedia(el, offset, baseRate, settled) and
forgetSteering(el), exported as @hyperframes/core/runtime/media-steer so the
player's parent-frame proxy uses the same policy instead of a second one.

* style(core): trim the drift policy's comments to the package's share

* fix(core): the dipped seek lands on the frame-start media time

Routes the one currentTime write this branch adds through mediaElementTime,
so Chrome's truncated currentTime cannot land it a frame early.

* test(core): expect the plain audio seek at the frame-start media time
2026-10-27 00:09:27 +00:00
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2026-10-26 15:00:57 -04:00
2026-10-26 15:00:57 -04:00