Firewire cameras RRS feed

  • Question

  • Has anyone experimented with high resolution firewire cameras under ConferenceXP?  I've just ordered one of the Unibrain 820c cameras capable of 1600x1200 resolution and was wondering about other folks experiences...
    • Moved by Max Wang_1983 Thursday, April 28, 2011 10:36 PM Forum consolidation (From:Hardware)
    Tuesday, January 23, 2007 1:44 AM

All replies

  • Has anyone had any success with running firewire cameras under ConferenceXP on Vista?

    I get an error "failed to load compressor".

    Saturday, June 2, 2007 10:22 PM
  • We'll look into that.  Having finally gotten our install under UAC under control, we are now working on runtime scenarios.  I'll be sure and add this to the list of things to investigate.



    Monday, June 4, 2007 2:45 PM
  • Hi Jason,

    Speaking of UAC, do you plan on releasing an updated version of CXP that doesn't require disabling UAC to install, since it sounds like you've gotten that to work now? We've got a university testing our capability and they are planning on upgrading to Vista over the summer, and it would a lot easier for them, and pretty much everyone, if they didn't have to mess with UAC.

    Also, since I haven't been on the forums much lately, I thought I'd let you know a couple things I've learned recently. First of all, CXP 4.0 seems to work okay with capabilities compiled in .NET 1.1, even though CXP uses .NET 2.0. I found that out on accident when I didn't remember I had installed 4.0 on one of my test machines and started to use our capability with it. However, there are differences between the ways that .NET 1.1 and 2.0 serialize objects (especially DateTime objects), so the two versions are not always compatible with each other. For the most part, I didn't have any problems running a heterogenous environment with both 3.5 and 4.0 using the basic capabilities like Chat, but anything requiring more complicated objects to be sent through the pipes might not work in such an environment.

    Also, I've been amazed with how little resources CXP requires to operate without audio/video. We've been doing a lot of testing with virtual machines because we don't have enough hardware to simulate a large classroom environment. Our setup has 4 virtual machines running per physical machine, with each allocated only 128 MB of RAM (1GB total on the physical machine -- 512 MB for guest OS's and 512 MB for host). Using 512 MB paging files, we've had no problems at all with CXP (version 3.5) slowing down after hours of testing. I know that sending only text isn't very demanding, but I'm still impressed with the stability of the setup!

    Edit: Sorry to hijack the link!

    Second edit:  I meant thread, not link.  Too bad we can't delete text after posting...

    Hope all is well,
    Monday, June 4, 2007 5:04 PM
  • Technically, UAC does not have to be disabled with CXP 4.0, but it is an easy solution.  It turns out, you need to run the .msi and the client from an elevated command prompt.  We have the install issues sorted out (you still need to be an administrator, but you don't have to install from an elevated command prompt) and are working on the runtime issues.


    No, you haven't, and it is nice to see you again.


    I am aware of the DateTime problem.  That is why we can't recommend interop between 3.5 and 4.0.  4.0 (.Net2.0) is able to read the DateTime objects from 3.5 (1.1) but not the other way around.


    I am pretty sure you can add and delete text after posting.  I have used the edit feature a few times.





    Monday, June 4, 2007 5:51 PM