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Cache preview frames for Discord video attachments

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Fisto
2026-09-16 23:40:46 +02:00
parent 3da0da0ca7
commit caf9b7db3a
6 changed files with 34 additions and 13 deletions
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docs/media.md
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@@ -90,8 +90,9 @@ media-scrape/db/
owns that path.
- Third-party embeds are **never downloaded as media**: YouTube, Instagram, X, TikTok, and every
other embed stays a link. Its thumbnail is cached (below); the video itself is never fetched.
- Previews are cached in `thumbs/` after every walk, in both modes: Discord-hosted images and GIFs
(resized to 320px WebP) and third-party embed thumbnails (YouTube, X, TikTok, and so on). The
- Previews are cached in `thumbs/` after every walk, in both modes: Discord-hosted images, GIFs,
and video files (the proxy renders a frame, resized to 320px WebP) plus third-party embed
thumbnails (YouTube, X, TikTok, and so on). The
stored bytes keep their real type (`preview_ext`), so JPEG provider thumbnails are served as
`image/jpeg`, not mislabeled WebP. Embeds without a thumbnail in Discord's data are resolved
through the provider's oEmbed/fxtwitter API and finally the page's `og:image`. Previews count