Re: [GnomeMeeting-list] No DC plugin? Cannot compile...

[Damien Sandras <dsandras seconix com>]

Le jeudi 25 août 2005 à 10:25 -0600, Dominick Layfield a écrit :
> Julien PUYDT a écrit:
> >>0.  My camcorder works great with dvgrab, so I know that there is no
> >>fundamental OS problem.  But gnomemeeting doesn't recognize the device
> >>under the AVC plugin.
> > 
> > Is it an AVC or a DC? You have to be sure!
> 
> How do I tell?  I can't find anything in the FAQ about this.  I assumed
> that I need DC, as no devices were found by gnomemeeting with the AVC
> plugin.
> 

Well, that's a bit like when you buy a webcam, you know if it is USB or
not. So I would say, consult the documentation.

> 
> >>2.  My only course of action is to download the pwlib source, and to set
> >>about compiling it myself.  The next problem I encounter is that the
> >>source is not ISO C++, and g++ 4.0 refuses to compile it.
> > 
> > 
> > Hmmm... this raises two questions:
> > 1. which pwlib sources? You have to use the exact version that 
> > gnomemeeting was compiled for, or it will crash hard and fast.
> > 2. our debian packager didn't complain that much about g++ 4.0... so I 
> > guess he could get pwlib to compile with it.
> 
> I used the sources on the gnomemeeting website:
> http://www.gnomemeeting.org/index.php?rub=5&path=sources/sources
> gnomemeeting-1.2.1.tar.gz
> openh323-1.15.3.tar.gz
> pwlib-1.8.4.tar.gz
> 

GnomeMeeting 1.2.2 will ship with pwlib 1.8.5 and openh323 1.15.4 that
support gcc 4.x.

> 
> >>4.  Having tried manual compilation (the old-fashioned way), it occurs
> >>to me that I'm too old-school, and there may be a simpler approach.  So
> >>I download the source RPMs, and attempt to 'rpmbuild' these.  To get
> >>rpmbuild to use g++32, I prefix the command line with CXX=g++32.  e.g.:
> >>  CC=gcc32 CXX=g++32 rpmbuild --rebuild pwlib-1.8.4-1.src.rpm
> >>But the configure script bombs out with the error:
> >>  checking for x86_64-redhat-linux-gnu-g++... g++32
> >>  checking for C++ compiler default output file name... configure:
> >>error: C++ compiler cannot create executables
> >>  See `config.log' for more details.
> > 
> > 
> > Have you seen 'config.log' for more details?
> 
> Yes!  I thought of that too!  :-)
> The only extra information in config.log is something like
> "exiting with code 77".   Does that help?  It didn't mean much to me.
> 
> Anyway, I finally figured out how to get the SRPMS to compile under FC4.
>  I'll post that information in another message, since it might be useful
> to someone, somewhere.
> 
> 
> > I would first check that the device is not an AVC after all... Does it 
> > work with kino?
> 
> Haven't tried kino, but as I said initially, it works perfectly with
> dvgrab without adjusting any settings at all.
> 
> Because gnomemeeting did not show any devices when set to the AVC
> plugin, I assumed my camera (it's a regular MiniDV camcorder) was not
> supported by that plugin. Is there something else I can try?
> 
> 
> BTW, when I finally did get everything compiled, I executed
> gnomemeeting, and set the plugin to DC.  Gnomemeeting then recognized
> device /dev/raw1394.  Hooray!  But then a window pops up saying "Error
> while opening video device /dev/raw1394 ... There was an error while
> opening the device. Please check your permissions and make sure that the
> appropriate driver is loaded."   I checked the permissions for
> /dev/raw1394 (and /dev/raw/raw1394, which is the new location for this
> device), and even tried chown'ing them to my own userid.  No change.
> 
> Any other ideas?   Thanks,
> 

The plugin is probably buggy unfortunately :(

> -- Dominick
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-- 
 _      Damien Sandras
(o-     GnomeMeeting: http://www.gnomemeeting.org/
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