this post was submitted on 09 Oct 2023
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Android

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[โ€“] [email protected] 11 points 1 year ago (1 children)

How can any device that supports JPG support this Ultra HDR format if it is not exactly to JPG specifications? They mention they embed more data into the file than just a typical JPG so how can software that previous supported JPG know what to do with it?

[โ€“] [email protected] 11 points 1 year ago (2 children)

It sounds like it's backwards compatible so places that don't support the new format will simply get an SDR version of the photo and I'm sure Google will try to get everyone to support this new type of jpg.

[โ€“] lustrum 13 points 1 year ago

It's a jpeg

Then encoded in the metadata is a map of brightness.

If your website/app/phone doesn't support it, the metadata just sits there with info about the lens, shutter speed etc.

If it does support it, the JPEG is automatically processed with the metadata to increase brightness in the original jpeg.

[โ€“] [email protected] 1 points 1 year ago

Ah, that makes more sense. You just get the non-HDR JPG. ๐Ÿ‘