[Ksummit-2012-discuss] [ATTEND] kernel core dump and "dying breath"

[Matthew Garrett]

On Mon, Jun 25, 2012 at 10:12:48AM -0700, H. Peter Anvin wrote:
> I think it makes much more sense to have the decoder server-side.
> 
> There are two reasons for it:
> 
> 1. *one* code base!
> 
> I can tell you just how bad a lot of the QR decoder software running on
> smartphones are -- because I have tried them.
> 
> 2. if the decode doesn't work, you have the picture server side, and you
> can perhaps improve the software and collect it as "a hard to decode
> picture" and use it as a regression test.

And the main reason not to is that a picture gives us a single data 
point, while most QR apps will take continuous readings until they're 
able to decode. The user also knows that the decode was successful 
*without* having to work out how to get a multi-MB picture off their 
phone and into the interwebs.

-- 
Matthew Garrett | mjg59 at srcf.ucam.org