[AG-TECH] AG2.2 replacement for setupvideo.py

Ivan R. Judson judson at mcs.anl.gov
Mon Jun 21 18:17:10 CDT 2004


Cool, it looks like there are plenty of others in the same situation. It'll
be nice to get this fixed.

--Ivan 

> -----Original Message-----
> From: Osland, CD (Chris) [mailto:C.D.Osland at rl.ac.uk] 
> Sent: Monday, June 21, 2004 7:15 AM
> To: 'judson at mcs.anl.gov'; Osland, CD (Chris) ; dgolden at cp.dias.ie
> Cc: ag-tech at mcs.anl.gov; Thorpe, MS (Matt) 
> Subject: RE: [AG-TECH] AG2.2 replacement for setupvideo.py
> 
> Ivan,
> 
> I completely understand that you can't test everything.
> 
> We're just in the process of getting some new hardware in 
> which we can test things - at present I don't have a machine 
> in which I can load 2.2.
> 
> We'll be in touch when we can.
> 
> Cheers
> 
> Chris
> 
> ____________________________________________________________________
> Chris Osland                                               
> Office tel: +44
> (0) 1235 446565
> Digital Media and Access Grid                          
> Medialab tel: +44 (0)
> 1235 446459
> BIT Department                                     Access 
> Grid room tel: +44
> (0) 1235 445666
> e-mail:   C.D.Osland at rl.ac.uk                                 
>       Fax: +44
> (0) 1235 445597
> CCLRC Rutherford Appleton Laboratory (Bldg. R18) Chilton, 
> DIDCOT, Oxon OX11 0QX, UK [The contents of this email are 
> confidential and are for the use of the intended recipient only.
> If you are not the intended recipient do not take any action 
> on it or show it to anyone else, but return this email to the 
> sender and delete your copy of it.]
> 
> 
> 
> 
> 
> > -----Original Message-----
> > From: Ivan R. Judson [mailto:judson at mcs.anl.gov]
> > Sent: 21 June 2004 12:13
> > To: 'Osland, CD (Chris) '; dgolden at cp.dias.ie
> > Cc: ag-tech at mcs.anl.gov; 'Thorpe, MS (Matt) '
> > Subject: RE: [AG-TECH] AG2.2 replacement for setupvideo.py
> > 
> > 
> > 
> > Hey Chris,
> > 
> > The existing interfaces are meant to be reasonably stable and 
> > permanent, however there is work being done on node 
> management to make 
> > it more clear and complete.
> > 
> > Please have Matt send a clear and complete description of 
> the problem 
> > and the fix either to ag-tech or filed in bugzilla so that can be 
> > integrated at the design phase, rather than testing :-). If 
> there are 
> > other issues with node management, now is the time to let us know, 
> > when Tom gets back from his family vacation he'll be deep 
> in node mgmt 
> > work.
> > 
> > --Ivan
> > 
> > PS -- We've never even tried the registry thing since we don't have 
> > those cards, we're relying on you all who do to tell us 
> when it does 
> > and doesn't work -- which means you really need to be 
> willing to try 
> > the alpha/beta software to make sure it gets into a release -- we 
> > don't have the resources to get and test every hardware 
> configuration 
> > in use.
> > 
> > > -----Original Message-----
> > > From: Osland, CD (Chris) [mailto:C.D.Osland at rl.ac.uk]
> > > Sent: Monday, June 21, 2004 3:46 AM
> > > To: 'judson at mcs.anl.gov'; dgolden at cp.dias.ie
> > > Cc: ag-tech at mcs.anl.gov; Thorpe, MS (Matt)
> > > Subject: RE: [AG-TECH] AG2.2 replacement for setupvideo.py
> > > 
> > > Just a comment from the outfield ...
> > > 
> > > I think this is the area that can allow or disallow multi-input 
> > > video capture cards (e.g. the Winnov Videum 4400 which we use) to 
> > > work - which Matt Thorpe solved with a patch to the registry (I'm 
> > > talking Windows XP here, of course).
> > > Just a request that some mechanism (setupvideo.py or registry
> > > hack) still allows this sort of card to work under AG 2.2, as we 
> > > don't anticipate moving to inSors software, so can't use 
> the 'inSors 
> > > patch'.  I'd heard that what Matt had worked out for AG 
> 2.1.2 didn't 
> > > work in AG 2.2; I think that comment was from Cindy.
> > > 
> > > Cheers
> > > 
> > > Chris
> > > 
> > > 
> ____________________________________________________________________
> > > Chris Osland                                               
> > > Office tel: +44
> > > (0) 1235 446565
> > > Digital Media and Access Grid                          
> > > Medialab tel: +44 (0)
> > > 1235 446459
> > > BIT Department                                     Access 
> > > Grid room tel: +44
> > > (0) 1235 445666
> > > e-mail:   C.D.Osland at rl.ac.uk                                 
> > >       Fax: +44
> > > (0) 1235 445597
> > > CLRC Rutherford Appleton Laboratory (Bldg. R18) Chilton, DIDCOT, 
> > > Oxon OX11 0QX, UK [The contents of this email are 
> confidential and 
> > > are for the use of the intended recipient only.
> > > If you are not the intended recipient do not take any 
> action on it 
> > > or show it to anyone else, but return this email to the 
> sender and 
> > > delete your copy of it.]
> > > 
> > > 
> > > 
> > > 
> > > 
> > > > -----Original Message-----
> > > > From: owner-ag-tech at mcs.anl.gov
> [mailto:owner-ag-tech at mcs.anl.gov]On
> > > Behalf Of Ivan R. Judson
> > > Sent: 18 June 2004 16:55
> > > To: dgolden at cp.dias.ie
> > > Cc: ag-tech at mcs.anl.gov
> > > Subject: RE: [AG-TECH] AG2.2 replacement for setupvideo.py
> > > 
> > > 
> > > 
> > > That makes sense, clearly the discovery of devices in 
> that code is 
> > > platform specific.
> > > 
> > > If you can write a python function that enumerates them we can 
> > > integrate that as a patch.
> > > 
> > > --Ivan
> > > 
> > > > -----Original Message-----
> > > > From: dgolden at cp.dias.ie [mailto:dgolden at cp.dias.ie]
> > > > Sent: Friday, June 18, 2004 9:43 AM
> > > > To: judson at mcs.anl.gov
> > > > Cc: ag-tech at mcs.anl.gov
> > > > Subject: RE: [AG-TECH] AG2.2 replacement for setupvideo.py
> > > > 
> > > > 
> > > > >
> > > > > We'll have to sort out what's going on.
> > > > >
> > > > 
> > > > Haven't filed a formal bug report yet, but I 
> immediately saw the 
> > > > problem once pointed to that method:
> > > > 
> > > > /proc/video/dev doesn't exist at all on my system...
> > > > (stock debian 2.6 kernel).
> > > > 
> > > > In kernel 2.6 , the information is available via sysfs in 
> > > > /sys/class/video4linux not /proc/video/dev ...
> > > > 
> > > > In 2.6 there has been a move to rationalise the /proc fs
> > to be for
> > > > processes only, and the sundry kernel stuff to /sys
> > > > 
> > > > Neater that way, I guess.
> > > > 
> > > > Best Regards,
> > > > 
> > > > David Golden
> > > > 
> > > > 
> > > > 
> > > > 
> > > 
> > 
> > 
> 
> 




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