[Webkit-unassigned] [Bug 200163] JPEGImageDecoder: use libjpeg-turbo RGBA output path even for Adobe transform=0 JPEGs

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=200163

--- Comment #8 from Loïc Yhuel <loic.yhuel at softathome.com> ---
(In reply to Fujii Hironori from comment #7)
> Which version of libjpeg-turbo are you using? When will you upgrade your
> libjpeg-turbo?
In our builds, we use 1.4.2 or never depending on the target, but we can upgrade. I just wanted to avoid requiring a more recent version that what is really needed.

If we keep the code, but do the test with LIBJPEG_TURBO_VERSION_NUMBER, users of libjpeg-turbo 1.2.x/1.4.x would keep the current behavior, not taking advantage of the fast path with those specific JPEG files. I think that would be OK.
Removing the code would mean slowing down those potential users for all other JPEGs, without any warning.

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