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The attached file [rgbau.jxl.zip](https://github.com/libjxl/libjxl/files/9625401/rgbau.jxl.zip) has num_color_channels = 3, num_extra_channels = 2, with the first extra channel being JXL_CHANNEL_OPTIO…
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I just found out that whatever option is used for `bit depth` (8, 10, 12, 16, 32) the file size is the same and according to GIMP it is 32bit flow version. Is that expected ?
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After indexing all my collection of photos with photoprism I've discovered that the folder of thumbnails is huge: it is over 40 GB of space from a collection of around 30k photos. I know it is not *a …
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JPEG XL is a new image format made by the "JPEG" committee intended as a replacement for jpeg. It support both lossless and lossy compression while having a smaller size. This would be awesome for peo…
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**Describe the bug**
As far as I'm able to observe, output images from lossless JPEG transcode do not exactly match the input. High-frequency areas are covered in slight discrepancies.
**To Reprod…
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There are often requests to add some new and great compression algorithm X.
This ticket is to collect such ideas and also to specify the adoption policy for X:
- if X is adding an external require…
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https://github.com/Frozen1084/test/releases/download/test/4676.6000_9af79512a3c64ed8945e54b4c9cbed22.jpg
I tried to convert this 32MB JPG image (4676x6000) and when I use the parameter "--lossless_…
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I'm having issues with cjxl not properly converting the ICC profiles of some JPEGs or may be all the viewers are displaying it wrong.
I don't know which one of the two is the case.
**Here's how to…
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**Describe the solution you'd like**
Add support for the following formats:
- [ ] AVIF
- https://github.com/stumpapp/stump/pull/385
- [ ] JPEG XL
**Additional context**
This mostly …
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Since the format is not yet widely adopted and is finishing up finalizations, this is a placeholder request for later.
The request is to completely support all features of the format, including anima…