zoomSource not working

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Author Post
Member
Registered: Oct 2017
Posts: 37
From reading the release notes, I expected FB to use the representing thumbnail image as the zoomSource for a video, but that doesn't appear to be the case:

https://misterneutron.com/FBzoom/

If I specify zoomSource:poster, it does, indeed, use the poster image. But it never seems to use the thumbnail.
Administrator
Registered: Aug 2008
Posts: 3350
The release notes are poorly worded.

Generally, thumbnails are not used as zoomSource by default because they are usually small and look crappy when zoomed to a large oversized image.

If the thumbnails are auto-added by addVideoThumb for Vimeo, YouTube, or Floatbox Player vids, oversized thumbnails are fetched and are used as the defaulted zoomSource. In other circumstances, zoomSource must be specified.
Member
Registered: Oct 2017
Posts: 37
Ah, OK, got it. And yes, thumbnails are usually a poor choice, since they don't enlarge well. In my application, there's always a nice big poster image, so zoomSource:poster takes care of things nicely.

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