Re: SANE_FRAME_IR

Interesting stuff.

because of that missing part I have to use the commercial VueScan for my s=
lide scanner.

What about to use the=C2=A0SANE_FRAME_IR option for backends which support=
 it and deliver a separate IR frame as grey for others?

-Ulf

Am 22.07.26 um 19:05 schrieb Ralph Little:
> Hi,
> We have had a question from a developer regarding support for IR from a =
scanner, namely the LS-5000 supported by the coolscan3 backend.
> This device can supply IR but there are a few different ways in which th=
is can be delivered to the frontend. The brief discussion is here: https:/=
/gitlab.com/sane-project/backends/-/merge_requests/937
>
> As I said in that discussion, I believe the SANE_FRAME_IR option (or som=
e variant) is the better one to explicitly support it from the SANE standa=
rd. I assume that this was a proposed extension at some point. However, th=
is would mean we would need to ratify a new standard and ask frontend deve=
lopers to support the new features, something that we might struggle to do=
 ourselves what with the backlog we currently have.
>
> There are mentioned some other options, such as delivering the IR frame =
as grey in the next frame, which is done currently by another backend, and=
 has the advantage of being supported right now.
>
> Views? Any appetite for an update to the SANE Standard? I'm sure there a=
re a few things that people would like to add.
>
> Cheers,
> Ralph
>
=2D-=20
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