userspace console screenreaders was Re: speechd-up

[Kenny Hitt]

Hi.  No, brltty can't automatically read the screen.  It has the same behavior 
as sbl for the same reason.

          Kenny

On Fri, Jul 30, 2010 at 10:27:53PM -0500, Chris Brannon wrote:
> William Hubbs wrote:
> > There is one serious issue, imho, with sbl which will have to be fixed
> > somehow.  Basically, it does not autoread anything.
> 
> Right, and I'm not sure how to solve this problem in a user-space daemon,
> either.  I suppose we could just poll the /dev/vcsa device every so often, and
> somehow determine when new text has been displayed.  I'd be afraid of losing
> data, though.
> Is brltty's speech functionality anything like Speakup's?  Can it auto-read
> text that is scrolling on the screen?
> I need to look at that code for inspiration.
> 
> yasr solves the autoread problem by spawning a shell in a pseudo-terminal.
> It captures all output sent to the pseudo-TTY.
> The only real problem with yasr is that it has to be run by a user who
> is logged in to the system.  We lose things like boot messages, login
> prompts, and the like.
> 
> -- Chris
> 
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