[AG-TECH] more on multi-input capture.

[Fred Dech]

that is unless you get a set of cards or card that still use VFW drivers,
like the older Winnov Videum cards we are currently using.

--fred

On Wed, Jul 13, 2005 at 02:54PM, Derek Piper said:
> 
> 	It will happen regardless of the type of capture device, just so 
> 	that's clear. If you have more than one device that captures video, if it's 
> a USB camera or capture card, then you'll have that problem with Windows.
> 
> 	Derek
> 
> Fred Dech wrote:
> >hi Derek.
> >
> >i see.  that's useful information.  the EVERY TIME clause is a real
> >drag, though.  in the case i'm thinking about, using linux is not an
> >option.
> >
> >thanks, though.
> >
> >--fred
> >
> >On Wed, Jul 13, 2005 at 02:15PM, Derek Piper said:
> >
> >>	No, I explained how that part works my previous post. Maybe a 
> >>	diagram would be good.
> >>
> >>VIC -> 'Microsoft WDM Image Capture' -> Source0
> >>VIC -> 'Microsoft WDM Image Capture' -> Source1
> >>VIC -> 'Microsoft WDM Image Capture' -> Source2
> >>VIC -> 'Microsoft WDM Image Capture' -> Source3
> >>
> >>	VIC only binds to 'Microsoft WDM Image Capture', *it doesn't know 
> >>	about the sources beyond that*. Upon invocation, the WDM driver will 
> >>	choose the first 'source' it can find, since none was given. This leads 
> >>to all four VICs choosing Source0 (probably) and 3 of them will not be 
> >>able to get it and will complain by putting up a selector box to choose 
> >>another source. So, you go ahead and choose another source, i.e. Source1 
> >>for the first one you have to alter, then Source2 for the other one etc. 
> >>All 4 VICs will then be up and running. Unfortunately you will need to do 
> >>this EVERY TIME you change venues. If it drives you crazy, use a Linux 
> >>box for video from multiple sources.
> >>
> >>	Derek
> >>
> 
> -- 
> Derek Piper - dcpiper at indiana.edu - (812) 856 0111
> IRI 323, School of Informatics
> Indiana University, Bloomington, Indiana