submitted 2 weeks ago by bagder@mastodon.social to c/firefox@fedia.io

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The current JPEG XL decoder in #Firefox apparently consists more than 100,000 lines of multi-threaded C++

For just decoding an image format.

Not sure what it says about the format, the implementation and the Internet at large.

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[-] EvenRouault@mastodon.social 4 points 2 weeks ago

@bagder@mastodon.social To put in perspective:

JPEG: libjpeg 6b encoder+decoder: 24,200 lines of C
JPEG: libjpeg-turbo encoder+decoder: 127,000 of C and ASM (multi architectures)
JPEG2000: openjpeg encoder+decoder: 50,000 lines of .C
JPEG2000: Kakadu commercial encoder+decoder: 214,000 lines of C++ (only coresys component)
libjxl: 150,000 lines for the core library, encoder+decoder (deps excluded)
(All above includes blank lines + inline doc)
So this is pretty much standard for a modern codec

this post was submitted on 04 Sep 2024

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