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JPEG-LI embedded thumbnail defective

Posted: Thu Sep 05, 2024 1:04 pm
by meteorquake
If I save a file as JPEG it appears to save the exif Thumbnail, but if I save the same image as JPEG-LI (same settings, rebuild thumbnail) it seems it doesn't or is defective.

Specifically, I'm using the online exif data viewer at https://jimpl.com on the images so saved, and those saved as JPEG report a thumbnail size of some KB but those saved as JPEG-LI report a thumbnail size as 0.

This seems to be consistent so I'm guessing it is easily reproducible...

1.8.0 Win64 Libformat 7.192

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Re: JPEG-LI embedded thumbnail defective

Posted: Sun Sep 15, 2024 7:15 am
by xnview
i can't reproduce, please send the original file used