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fix(jassub): [PKG-JASSUB-09] checkpoint hybrid canvas ownership and frame completion

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Harvey Zhao committed 2026-09-14 02:50:55 +08:00
1 parent b4b0276fe9
commit 7f185f698d
22 files changed
+18866 -37
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docs/compiled/artplayer-plugin-jassub.mjs
+6 -2
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@@ -528,9 +528,9 @@ const _o = class _o extends EventTarget {
}
// if the video or track changed, we need to re-attach the offscreen canvas
_reAttachOffscreen() {
if (!this._offscreenRender || !this._ctx)
if (this._destroyed || !this._offscreenRender || !this._ctx)
return null;
this._canvas.remove(), this._createCanvas(), this._canvasctrl = this._canvas.transferControlToOffscreen(), this._ctx = false, this.sendMessage("offscreenCanvas", null, [this._canvasctrl]), this.resize(0, 0, 0, 0, true);
this._canvas.remove(), this._createCanvas(), this._canvasctrl = this._canvas.transferControlToOffscreen(), this._ctx = false, this.busy = false, this._lastDemandTime = null, this.sendMessage("offscreenCanvas", null, [this._canvasctrl]), this.resize(0, 0, 0, 0, true);
}
_updateColorSpace() {
if (this._destroyed || this._colorCallback != null) return;
@@ -560,6 +560,10 @@ const _o = class _o extends EventTarget {
!e || !t || e !== t && (this._detachOffscreen(), this._ctx.filter = `url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg'><filter id='f'><feColorMatrix type='matrix' values='${f[e][t]} 0 0 0 0 0 1 0'/></filter></svg>#f")`);
}
_render({ images: e, asyncRender: t, times: s, width: r, height: n, colorSpace: a }) {
if (!this._ctx) {
for (const image of e) image.image?.close?.();
return;
}
this._unbusy(), this.debug && (s.IPCTime = Date.now() - s.JSRenderTime), (this._canvasctrl.width !== r || this._canvasctrl.height !== n) && (this._canvasctrl.width = r, this._canvasctrl.height = n, this._verifyColorSpace({ subtitleColorSpace: a })), this._ctx.clearRect(0, 0, this._canvasctrl.width, this._canvasctrl.height);
for (const i of e)
i.image && (t ? (this._ctx.drawImage(i.image, i.x, i.y), i.image.close()) : (this._bufferCanvas.width = i.w, this._bufferCanvas.height = i.h, this._bufferCtx.putImageData(new ImageData(this._fixAlpha(new Uint8ClampedArray(i.image)), i.w, i.h), 0, 0), this._ctx.drawImage(this._bufferCanvas, i.x, i.y)));