Adam, Greg, and Rubencino, can you provide some comments on this
proposal please?  Does the epiphan producer provide us only these
benefits and?

Ruediger, what is the effect on the install scripts?

Chris

On Wed, 25 Jul 2012 15:38:59 +0200
Ruediger Rolf <[email protected]> wrote:

> Hi,
> 
> when we want to start to get the Capture Agent compatible with
> current Ubuntu releases (11.04 and later) we face the challenge that
> the producer for Epiphan VGA2USB devices needs to be completly
> refactored. This will take quite a lot of development resources.
> 
> The EpiphanProducer code allows:
> - To start a vga-recording without a signal connected.
> - To detect vga-signal loss and display an image instead.
> - To detect a reconnect of the vga-signal and switch back to the VGA
> signal.
> - To scale the vga, if the new connected signal has a different 
> resoultion. (It cannot detect resoultion changes by the way)
> 
> All other VGA-grabbers from other manufacturers can only be connected
> as custom devices and have to implement these features in their
> hardware, need additional hardware scalers (like we recommend one in
> the CA reference hardware [1]), or encounter problems on signal
> changes.
> 
> I don't see any available developers to work on this problem and I
> have hard feelings about our current preference of the VGA2USB
> devices. So my #proposal would be to abandon the special treatment of
> the Epiphan devices and remove the EpiphanProducer code from the
> Capture Agent and treat the VGA2USB like any other VGA-grabber.
> Adopters can still use their old hardware but need to buy scalers to
> make them work reliable. And we need to update to Ubuntu 12.04 LTS as
> many adopters will have a hard time getting Ubuntu to work on a
> recent computer.
> 
> If you have objections against this proposal please come up with 
> suggestions on how get the development resources to work on this
> issue.
> 
> Thanks
> Rüdiger
> 
> 
> [1] http://opencast.jira.com/wiki/display/MHDOC/Reference+Hardware+1.3
> 



-- 
Christopher Brooks, BSc, MSc
ARIES Laboratory, University of Saskatchewan

Web: http://www.cs.usask.ca/~cab938
Phone: 1.306.966.1442
Mail: Advanced Research in Intelligent Educational Systems Laboratory
     Department of Computer Science
     University of Saskatchewan
     176 Thorvaldson Building
     110 Science Place
     Saskatoon, SK
     S7N 5C9
_______________________________________________
Matterhorn mailing list
[email protected]
http://lists.opencastproject.org/mailman/listinfo/matterhorn


To unsubscribe please email
[email protected]
_______________________________________________

Reply via email to