[sane-devel] regarding SANE_STATUS_WARMING_UP

[m. allan noah]

On Sun, May 31, 2009 at 9:14 PM, Olaf Meeuwissen
<olaf.meeuwissen at avasys.jp> wrote:
> "m. allan noah" <kitno455 at gmail.com> writes:
>
>> On Sun, May 31, 2009 at 7:23 PM, Olaf Meeuwissen
>> <olaf.meeuwissen at avasys.jp> wrote:
>>> "m. allan noah" <kitno455 at gmail.com> writes:
>>>
>>>> [snip]
>>>> I also would like to add a generic 'SANE_STATUS_RETRY' for those cases
>>>> where the backend has to block during sane_start because it must
>>>> ingest the entire image before the size is known.
>>>
>>> The standard allows backends to return an unknown height, so what kind
>>> of cases are there when the width can't be known before slurping in the
>>> whole image?
>>
>> most medium/large fujitsu machines will auto crop or auto rotate, but
>> the command to request the size returns the data for the previous
>> page, so you have to read until eof from the machine.
>
> I see.
>
>>>> I'd rather not block...
>>>
>>> I'd rather not hog memory ... ;-)
>>
>> do you support any machines which interlace front-side and back-side
>> duplex data? then you already do...
>
> Yes, but in that case I have no alternative.

nor do i.

allan
-- 
"The truth is an offense, but not a sin"