fix(core): [CORE-SUBTITLE-OFFSET-01] refresh paused native cue membership and order

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Harvey Zhao committed 2026-09-14 12:49:22 +08:00
1 parent b5dee252d4
commit efed847cdf
23 files changed
+6789 -27

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+12
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@@ -670,6 +670,18 @@ transport cancellation, conversion, ownership, native DOM events and cue renderi
The offset mixin remains the player property entry, with original cue bounds retained
on native cue objects. Validation evidence and remaining release gates live in refactor/.
timing.ts handles native active-cue invalidation after a paused offset edit. Some
engines retain the old membership even after cue timestamps change. It compares
the expected current interval/order to native activeCues and, only on mismatch,
removes and re-adds the original cue objects in their captured order. The mixin
then performs the existing update, notice and subtitleOffset emission. It does
not seek media, replace cues, toggle track mode or allocate background work.
Playing, disabled and capability-limited hosts retain their existing path. A
mode-toggle workaround was rejected because Firefox reordered tied cues during
successive offsets. Tests in subtitle-offset.spec.js verify synchronous native,
public and rendered membership, identity, order, disabled state and resumed play;
subtitle-offset-native.spec.js is an independent native video/track probe.
request.ts races work against scope closure. Superseded requests settle undefined even
when the transport ignores AbortSignal; active failures reject. state.ts owns request
and track scopes and only generated object URLs. A caller-owned URL is never revoked.
+1 -1
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@@ -67,4 +67,4 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
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+1 -1
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@@ -67,4 +67,4 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
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+14
View File
@@ -6180,6 +6180,19 @@ function stateMix(art) {
}
});
}
function refreshPausedCues(track, video, cues) {
if (!track || track.mode === "disabled" || !video?.paused || !Number.isFinite(video.currentTime))
return;
const time2 = video.currentTime;
const expected = cues.filter((cue) => cue.startTime <= time2 && time2 < cue.endTime);
const active2 = Array.from(track.activeCues || []);
if (expected.length === active2.length && expected.every((cue, index) => active2[index] === cue))
return;
for (const cue of cues)
track.removeCue(cue);
for (const cue of cues)
track.addCue(cue);
}
function subtitleOffsetMix(art) {
const { notice, i18n, template } = art;
def(art, "subtitleOffset", {
@@ -6199,6 +6212,7 @@ function subtitleOffsetMix(art) {
cue.startTime = clamp(cue.originalStartTime + offset, 0, art.duration);
cue.endTime = clamp(cue.originalEndTime + offset, 0, art.duration);
}
refreshPausedCues(template.$track.track, template.$video, cues);
art.subtitle.update();
notice.show = `${i18n.get("Subtitle Offset")}: ${value}s`;
art.emit("subtitleOffset", value);
@@ -1,4 +1,5 @@
import type { SubtitleOffsetHost } from '../subtitle/types'
import { refreshPausedCues } from '../subtitle/timing'
import { clamp, def } from '../utils'
export default function subtitleOffsetMix(art: SubtitleOffsetHost): void {
@@ -21,6 +22,7 @@ export default function subtitleOffsetMix(art: SubtitleOffsetHost): void {
cue.startTime = clamp(cue.originalStartTime + offset, 0, art.duration)
cue.endTime = clamp(cue.originalEndTime + offset, 0, art.duration)
}
refreshPausedCues(template.$track.track, template.$video, cues)
art.subtitle.update()
notice.show = `${i18n.get('Subtitle Offset')}: ${value}s`
art.emit('subtitleOffset', value)
+16
View File
@@ -0,0 +1,16 @@
import type { SubtitleCue } from './types'
export function refreshPausedCues(track: TextTrack | undefined, video: { paused?: boolean, currentTime?: number } | undefined, cues: readonly SubtitleCue[]): void {
if (!track || track.mode === 'disabled' || !video?.paused || !Number.isFinite(video.currentTime))
return
const time = video.currentTime!
const expected = cues.filter(cue => cue.startTime <= time && time < cue.endTime)
const active = Array.from(track.activeCues || [])
if (expected.length === active.length && expected.every((cue, index) => active[index] === cue))
return
// Some engines retain stale active flags after timing edits while paused.
for (const cue of cues)
track.removeCue(cue)
for (const cue of cues)
track.addCue(cue)
}
+1 -1
View File
@@ -36,7 +36,7 @@ export interface SubtitleView {
}
export interface SubtitleOffsetHost {
template: { $track?: SubtitleTrack | null }
template: { $track?: SubtitleTrack | null, $video?: { paused?: boolean, currentTime?: number } }
subtitle: { readonly cues: SubtitleCue[], update: () => void }
readonly duration: number
notice: NoticeSink