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add comment about safari thumbnails not build possible

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Pas 2025-11-09 15:16:08 -07:00
parent b8ca5c3f02
commit bc7886caac
1 changed files with 6 additions and 0 deletions
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6
src/components/player/internals/ThumbnailScraper.tsx
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@ -82,6 +82,12 @@ class ThumnbnailWorker {
}
start(source: LoadableSource) {
// afari has extremely strict security policies around canvas operations with video content. When the thumbnail generation tries to:
// Load cross-origin video content into an off-screen <video> element
// Draw video frames to a <canvas> using drawImage()
// Extract image data with canvas.toDataURL()
// Safari marks the canvas as "tainted" and throws a security error, preventing the thumbnail generation entirely.
// While still technically possible to generate thumbnails in Safari, it's not worth the effort to fight their strict CORS policies and we just don't support it.
if (isSafari) return false;
const el = document.createElement("video");
el.setAttribute("muted", "true");