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fix(refboard): force seek to decode poster frame with preload='metadata'

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preload='metadata' doesn't decode video frames, so readyState stays
at 1 (HAVE_METADATA) and loadeddata never fires. capturePoster() now
detects this state and forces a seek to 0.1s via _trySeekCapture(),
which triggers frame decode and captures on the 'seeked' event.
This commit is contained in:
Hiren Kangad
2026-03-10 12:02:47 +05:30
parent 89010335be
commit 9ecb287976
1 changed files with 6 additions and 1 deletions
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frontend/src/canvas/sprites/VideoSprite.ts
+6 -1
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@@ -117,10 +117,15 @@ export class VideoSprite extends Container {
capturePoster(): void { capturePoster(): void {
if (this._hasPoster || !this.videoEl || this.destroyed) return; if (this._hasPoster || !this.videoEl || this.destroyed) return;
// Need loadeddata to capture a frame — listen if not yet ready
if (this.videoEl.readyState >= 2) { if (this.videoEl.readyState >= 2) {
// Frame data already available — capture directly
this._captureFirstFrame(); this._captureFirstFrame();
} else if (this.videoEl.readyState >= 1) {
// Metadata loaded but no frame decoded (preload='metadata').
// Force a seek to trigger frame decode, capture on 'seeked'.
this._trySeekCapture();
} else { } else {
// Not even metadata yet — wait for loadeddata
this.videoEl.addEventListener('loadeddata', this._onLoadedData, { once: true }); this.videoEl.addEventListener('loadeddata', this._onLoadedData, { once: true });
} }
} }