On Tuesday 30 October 2007, m. allan noah wrote: > you need to buffer the backside data, and return it (instead of > scanning) after the second call to sane_start. there is no way to tell > the frontend that half the data you are sending should be held for > later. OK.
> > > I have an sp15c which duplexes so I've been looking over the sp15c > > backend which uses threads and arrays of pipes neither of which my > > backend uses. I got confused here with so many open vi sessions. I was looking at the bh backend. I got my sp15c to "duplex" by having my shell script prompt the user to flip the document stack over to scan the backsides and then reassemble pages in correct order. > > look at the fujitsu backend. it is single threaded, but does duplex, > using an (unfortunately large) buffer. It could also be implemented > with temp files, but i'd make it a user option. THANKS, I'll take a look at the fujitsu backend. > > allan > > -- > "The truth is an offense, but not a sin"
