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You should have The format seems to be very new and has not even reached v1. Comparing it to WebP it saves about 7% more space but takes 8 times longer. If it's a matter of enabling a flag on ffmpeg I don't see why it couldn't be added, but I think the problem would be that none of the browsers support it natively without extra flags. https://caniuse.com/jpegxl |
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I found out stash was already using the ffmpeg.exe I placed in C:\Windows. If I renamed that one and restarted stash it was detected as missing and started downloading the I have verified my ffmpeg version can encode and decode JPEG XL images. Btw. started testing the JPEG XL very early - December 2019. I use JPEG XL for the lossless JPEG recompression feature. Encode from JPG to JXL, save 20% in size. |
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It seems stash app does not recognize the JPEG XL image format.
With "jxl" added as image extension the log shows:
error processing "<path>.jxl": decoding image file "<path>.jxl": image: unknown format
I've converted all my images from JPEG to JPEG XL a long time ago and saved 1 TB+ disc space with zero (lossless) quality loss.
Will definitely not convert back to an older worse format.
From what I understand the stash app uses FFMPEG. Good!
A quick internet search tells me FFMPEG added JPEG XL support ca. 6 month ago - so that should be no problem - I've updated it a few days ago.
Because I use FFMPEG for many things I just copy the exe it into C:\Windows.
Not sure if stash uses that one or maybe it comes with it somehow packed into "stash-win.exe" !?
Any idea how I can verify what FFMPEG version stash app is using? (To check for JPEG XL support)
Online JPEG XL converter for tests: https://jpegxl.io/
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