Re: JPEG-XL as Content-Encoding?

Poul-Henning Kamp <phk@phk.freebsd.dk> Sun, 23 August 2020 22:04 UTC

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To: Alex Deymo <deymo@google.com>
cc: Sergey Ponomarev <stokito@gmail.com>, Dmitri Tikhonov <dtikhonov@litespeedtech.com>, HTTP Working Group <ietf-http-wg@w3.org>
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From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
References: <CACj=BEjdwH1OtS=uQXsgPN3XVJvVEUeisjeF5_iro1vg0omqWQ@mail.gmail.com> <20200820151401.GB21689@1wt.eu> <20200820183008.GA8086@lubuntu> <18159.1597960275@critter.freebsd.dk> <CADR0UcWkxb4ZtMgjqDeAv=m6G3ks2P75L-5pvt-ctz8WyJF29g@mail.gmail.com> <CAGd9gwhFQPzULNrAnnpeWBLCX+0aZGa0xMVO-u+fwvJ6AfaJEg@mail.gmail.com>
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Subject: Re: JPEG-XL as Content-Encoding?
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--------
Alex Deymo writes:

> I'm Alex and I'm working in the JPEG XL project. The transcoding being
> discussed for this is indeed the lossless recompression of JPEG files
> feature in JXL.
>
> JXL has many more features as a codec than what the lossless JPEG
> recompression can offer [...]

I'm sure JXL is fantastic, but despite that, a special-case
(re)compression belongs in the application-layer, not in the
transport layer.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.