[sane-devel] SANE_FRAME_IR

[Ralph Little]

Hi,

On 2026-07-22 16:20, Benjamin Gordon wrote:
> On Wed, Jul 22, 2026 at 11:33 AM Ralph Little <skelband at gmail.com> wrote:
>
>     .....
>     Views? Any appetite for an update to the SANE Standard? I'm sure
>     there
>     are a few things that people would like to add.
>
>
> If there's the possibility of re-opening the standard, I for one would 
> like to consider a more general handling of frame formats.  All the 
> scanners that support eSCL these days can return JPEG directly, and 
> some of them can even return a whole PDF at once.  It would be great 
> for the frontend to be able to negotiate some sort of passthrough mode 
> instead of decoding these and then re-encoding in the frontend.
>
> Thanks,
> Benjamin
>

Many pixma machines return JPEG from ADF scan, but bizarrely not from 
the flatbed. The pixma currently has to unpack the JPEG to return RGB in 
this case.
One of life's little curios that will ever likely be a mystery.

Cheers,
Ralph
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