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FFmpeg Adds Support For Animated JPEG-XL

3 years ago by Bacteria to c/linux

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nik282000 15 points 3 years ago

FFmpeg continues to blow me away with all the formats and operations it supports!

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M500 7 points 3 years ago

This is the first I’m hearing of jpeg-xl what are some of its advantages? I thought everything was moving to av1.

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nachtigall 12 points 3 years ago

https://avif.io/blog/comparisons/avif-vs-jpegxl/

IMO the most important points:

  • JXL allows for progressive rendering (e.g. it can only los an image partially)
  • JXL is faster
  • JXL has better compression on higher quality levels
  • AVIF is better for low fidelity images

JXL was made for images only, whereas AVIF comes from Video frames. Technically JXL is superior in most categories. I can’t tell for the license what is better.

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aksdb 5 points 3 years ago

Also: JPEG can be losslessly converted to JXL. Typically converting from one lossy format to another lossy format decreases quality. But in case of JXL, you can take old JPEGs and make them smaller without losing information.

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M500 1 point 3 years ago

Thanks for the info!! This is really good to know.

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RayJW 6 points 3 years ago

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M500 2 points 3 years ago

That’s a really informative graph. I just converted a bunch of images from png to jpg. I’ll try to convert to this tomorrow. Im curious about the size difference.

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RayJW 2 points 3 years ago

Great to hear and good luck! Another good thing to know is, that you can always convert back and forth between JPEG and JPEG XL without any data loss, I love that functionality!

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asexualchangeling 3 points 3 years ago

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fouc 2 points 3 years ago

Apple will add support for JXL natively on the new macOS/iOS. Adobe suite added support recently. And yet Chrome decided to kill JXL before there was even a chance of gaining enough traction. This effectively kills any chance of widespread adoption of the format, which is a shame because it looks like it has a decent featureset. I really like that you can reencode the same picture with effectively no quality loss.

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