Update magic_data.json with .jxl - Githubissues

cdgriffith / puremagic

Pure python implementation of identifying files based off their magic numbers

MIT License

158 stars 34 forks source link

Update magic_data.json with .jxl #51

Closed NebularNerd closed 6 months ago

NebularNerd commented 6 months ago

Closes #48

Added .jxl filetypes per official specs at: https://jpegxl.info/ https://github.com/libjxl/libjxl/blob/main/doc/format_overview.md https://en.wikipedia.org/wiki/JPEG_XL

Raw test files FF 0A: jxl.zip

JXL logo (Raw Data) extracted from https://jpegxl.info/jxl-art.html
JXL logo (Exported from GIMP) as above but loaded and saved back out in GIMP
kungfubaby convert from animated gif using libjxl's cjxl

ISOBMFF test file 0000000c4a584c200d0a870a: I found one and only one so far (I spent a long time looking) at https://github.com/Exiv2/exiv2/issues/1503#issuecomment-803943178 big thanks 👏 to @kmilos for making one.

cdgriffith commented 6 months ago

Thank you for all the updates and the provided details for each! Greatly appreciated!